CN116351153B - Separation and purification device for m-cresol - Google Patents
Separation and purification device for m-cresol Download PDFInfo
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- CN116351153B CN116351153B CN202310635150.9A CN202310635150A CN116351153B CN 116351153 B CN116351153 B CN 116351153B CN 202310635150 A CN202310635150 A CN 202310635150A CN 116351153 B CN116351153 B CN 116351153B
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- cresol
- box
- push rod
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- RLSSMJSEOOYNOY-UHFFFAOYSA-N m-cresol Chemical compound CC1=CC=CC(O)=C1 RLSSMJSEOOYNOY-UHFFFAOYSA-N 0.000 title claims abstract description 137
- 238000000746 purification Methods 0.000 title claims abstract description 23
- 238000000926 separation method Methods 0.000 title claims abstract description 23
- 239000004568 cement Substances 0.000 claims abstract description 41
- 230000007246 mechanism Effects 0.000 claims abstract description 19
- 239000011521 glass Substances 0.000 claims abstract description 16
- 239000007788 liquid Substances 0.000 claims description 42
- 238000003756 stirring Methods 0.000 claims description 37
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 33
- 238000004378 air conditioning Methods 0.000 claims description 29
- 238000005485 electric heating Methods 0.000 claims description 28
- 238000001914 filtration Methods 0.000 claims description 24
- 238000012545 processing Methods 0.000 claims description 13
- 238000007789 sealing Methods 0.000 claims description 12
- 238000005406 washing Methods 0.000 claims description 12
- 230000007062 hydrolysis Effects 0.000 claims description 10
- 238000006460 hydrolysis reaction Methods 0.000 claims description 10
- 230000009471 action Effects 0.000 description 19
- 239000000203 mixture Substances 0.000 description 18
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 15
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 15
- 238000010438 heat treatment Methods 0.000 description 11
- 238000001816 cooling Methods 0.000 description 9
- VLQDLHKYDWZLMJ-UHFFFAOYSA-N 3-methylphenol;urea Chemical compound NC(N)=O.CC1=CC=CC(O)=C1 VLQDLHKYDWZLMJ-UHFFFAOYSA-N 0.000 description 8
- 238000004821 distillation Methods 0.000 description 8
- 239000000243 solution Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 6
- 239000000428 dust Substances 0.000 description 6
- 239000011280 coal tar Substances 0.000 description 4
- IWDCLRJOBJJRNH-UHFFFAOYSA-N p-cresol Chemical compound CC1=CC=C(O)C=C1 IWDCLRJOBJJRNH-UHFFFAOYSA-N 0.000 description 4
- 230000000149 penetrating effect Effects 0.000 description 4
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 3
- 206010037423 Pulmonary oedema Diseases 0.000 description 3
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 3
- 239000004202 carbamide Substances 0.000 description 3
- 238000002425 crystallisation Methods 0.000 description 3
- 230000008025 crystallization Effects 0.000 description 3
- 230000036541 health Effects 0.000 description 3
- 208000005333 pulmonary edema Diseases 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- 210000004072 lung Anatomy 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000575 pesticide Substances 0.000 description 2
- 239000005916 Methomyl Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- -1 benfophos Chemical compound 0.000 description 1
- IRUJZVNXZWPBMU-UHFFFAOYSA-N cartap Chemical compound NC(=O)SCC(N(C)C)CSC(N)=O IRUJZVNXZWPBMU-UHFFFAOYSA-N 0.000 description 1
- 239000000645 desinfectant Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 239000002316 fumigant Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- UHXUZOCRWCRNSJ-QPJJXVBHSA-N methomyl Chemical compound CNC(=O)O\N=C(/C)SC UHXUZOCRWCRNSJ-QPJJXVBHSA-N 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000002304 perfume Substances 0.000 description 1
- RLLPVAHGXHCWKJ-UHFFFAOYSA-N permethrin Chemical compound CC1(C)C(C=C(Cl)Cl)C1C(=O)OCC1=CC=CC(OC=2C=CC=CC=2)=C1 RLLPVAHGXHCWKJ-UHFFFAOYSA-N 0.000 description 1
- 229960000490 permethrin Drugs 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
- C07C37/68—Purification; separation; Use of additives, e.g. for stabilisation
- C07C37/685—Processes comprising at least two steps in series
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
- B01D29/03—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements self-supporting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/003—Filters in combination with devices for the removal of liquids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D9/02—Crystallisation from solutions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
- C07C37/68—Purification; separation; Use of additives, e.g. for stabilisation
- C07C37/70—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment
- C07C37/74—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment by distillation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
- C07C37/68—Purification; separation; Use of additives, e.g. for stabilisation
- C07C37/70—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment
- C07C37/84—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment by crystallisation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
- C07C37/68—Purification; separation; Use of additives, e.g. for stabilisation
- C07C37/86—Purification; separation; Use of additives, e.g. for stabilisation by treatment giving rise to a chemical modification
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Abstract
The invention discloses a separation and purification device for m-cresol, which relates to the technical field of separation and purification of m-cresol, and comprises a cement table, wherein an auxiliary mechanism comprises a treatment box, a fan and a glass box, a first electric push rod is arranged at the top of the inner wall of the treatment box, a negative pressure pump is arranged at the top of the treatment box, a sucking disc is arranged at the telescopic end of the first electric push rod, a second electric push rod is arranged at the outer wall of the treatment box, a one-way valve is arranged at the output end of the fan, and a controller is arranged on the surface of a transparent plate.
Description
Technical Field
The invention relates to the technical field of separation and purification of m-cresol, in particular to a separation and purification device of m-cresol.
Background
M-cresol is generally referred to as m-methylphenol, also known as 3-methylphenol, an organic compound of the formula C 7 H 8 O, which is colorless to pale yellow transparent liquid, is slightly soluble in water, is miscible in ethanol, diethyl ether, sodium hydroxide aqueous solution, acetone, chloroform and the like, is mainly used as an intermediate of pesticides for producing the pesticides of cartap, benfophos, methomyl and permethrin, is also an intermediate of color film, resin, plasticizer and perfume, can also be used as disinfectant, fumigant and photographic development, and the existing m-cresol is generally separated and purified from a common coal tar crude phenol reduced pressure rectification extract.
In the actual use process of the existing separation and purification device for m-cresol, although the m-cresol in the crude coal tar phenol rectification extract can be separated and purified to obtain higher-purity m-cresol liquid, the m-cresol liquid output end of the existing partial separation and purification device for m-cresol is not provided with auxiliary equipment, namely, phenol gas in the m-cresol liquid can be scattered into the environment when the m-cresol liquid is collected and split-packed, pulmonary edema can be caused when the phenol gas is inhaled by a worker, namely, the life health of the worker is influenced, and the use efficiency of the separation and purification device for m-cresol is reduced.
Therefore, there is a need to propose a novel device for separating and purifying m-cresol in order to solve the problems set forth in the above.
Disclosure of Invention
The invention aims to provide a separation and purification device for m-cresol, which solves the problems that when m-cresol liquid is collected and split-packed, phenol gas in the m-cresol liquid is scattered into the environment and inhaled by staff, pulmonary edema is caused in the lungs of the staff, namely the life health of the staff is influenced, and the use efficiency of the separation and purification device for m-cresol is reduced because an auxiliary device is not arranged at the m-cresol liquid output end of the existing partial separation and purification device for m-cresol.
In order to achieve the above purpose, the present invention provides the following technical solutions: the device comprises a cement table, wherein a separation and purification mechanism is arranged at the top of the cement table, and an auxiliary mechanism is arranged at the top of the cement table;
the auxiliary mechanism comprises a treatment box, a fan and a glass box, wherein a liquid outlet pipe is fixedly arranged at the top of the inner wall of the treatment box in a penetrating mode, a first air conditioning valve is arranged at the input end of the liquid outlet pipe, a first electric push rod is arranged at the top of the inner wall of the treatment box, a negative pressure pump is arranged at the top of the treatment box, a hose is arranged at the output end of the negative pressure pump, a sucking disc is arranged at the telescopic end of the first electric push rod, two rectangular holes are formed in the inner wall of the treatment box, a first sealing ring is fixedly arranged in the rectangular holes, a U-shaped frame is arranged between the two rectangular holes, a second electric push rod is arranged on the outer wall of the treatment box, a limiting ring is arranged in two grooves of the U-shaped frame in a penetrating mode, an air inlet pipe is fixedly arranged at the bottom of the inner wall of the treatment box in a penetrating mode, an air outlet pipe is fixedly arranged at the inner wall of the glass box in a penetrating mode, a transparent plate is connected to the inlet of the treatment box in a rotating mode through a hinge, a transparent plate is arranged at the output end of the fan, and a surface of the fan is provided with a transparent controller.
Preferably, the processing box is at the top of cement table, the glass box is at the top of cement table, the input of sucking disc is connected with the output of hose, the output of intake pipe is connected with the input of fan, the flexible end of second electric putter is fixed with the inner wall of U type frame through the screw, the output of check valve is connected with the input of outlet duct, the fan is installed at the top of cement table, the output of outlet duct is in the inside of glass box and is close to the bottom position, conveniently under the effect of transparent plate, can observe the quantity of the m-cresol liquid that the internal distillation cooling of collecting bottle from the electric distiller obtained.
Preferably, the controller is electrically connected with the first air-conditioning valve, the controller is electrically connected with the second air-conditioning valve, the controller is electrically connected with the first electric push rod, the controller is electrically connected with the second electric push rod, the controller is electrically connected with the negative pressure pump, the controller is electrically connected with the fan, and the opening and closing of the first air-conditioning valve, the second air-conditioning valve, the first electric push rod, the second electric push rod, the negative pressure pump and the fan can be controlled conveniently under the action of the controller.
Preferably, the top screw thread of handling the case runs through has gas concentration detector, the cylinder hole has been seted up at the top of handling the case, the inside in cylinder hole is fixed with the second sealing ring, the hose is in the inside of second sealing ring, the dust screen is installed to the input of negative pressure pump, conveniently under the effect of dust screen, can prevent the dust in the environment from getting into the inside of negative pressure pump.
Preferably, the separation and purification mechanism comprises an electric heating stirring tank, the electric heating stirring tank is positioned at the top of the cement table, and an electric valve is arranged at the output end of the electric heating stirring tank, so that the electric heating stirring tank can be controlled to heat and stir the obtained mixture inside the electric heating stirring tank conveniently under the action of the electric valve, and whether the obtained mixture can enter the first connecting pipe or not can be controlled.
Preferably, the output of motorised valve installs first connecting pipe, the water pump is installed to the output of first connecting pipe, conveniently under the cooperation of water pump, first connecting pipe, second connecting pipe and motorised valve, can be with the inside mixture water conservancy diversion that obtains of heating agitator tank.
Preferably, the water pump is installed at the top of cement platform, the second connecting pipe is installed to the output of water pump, the top of cement platform is provided with filtration equipment, conveniently under filtration equipment's effect, can cool off crystallization filtration operation to the mixture after the heating stirring.
Preferably, the output end of the second connecting pipe is connected with the input end of the filtering device, and the top of the cement table is provided with a washing device, so that the white paste filtered by the filtering device can be washed into white m-cresol-urea complex under the action of the washing device.
Preferably, the top of cement platform sets up hydrolysis unit, the top of cement platform is provided with electric distiller, electric distiller's output is connected with the input of first air conditioner valve, conveniently under electric distiller's effect, can cool off the crude m-cresol after distillation to obtain the higher m-cresol liquid of purity, simultaneously under the effect of first air conditioner valve, can control electric distiller distillation cooling and obtain m-cresol liquid whether can get into the drain pipe.
Preferably, the top of cement platform is provided with the control box, control box respectively with motorised valve electric connection, control box and water pump electric connection, conveniently under the effect of control box, can control opening and close of water pump and the opening and close of motorised valve.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, by arranging the auxiliary mechanism, phenol gas in the m-cresol liquid can be prevented from being scattered into the environment and being inhaled by a worker when the m-cresol liquid is collected and split, so that pulmonary edema is caused in the lungs of the worker, the life health of the worker is influenced, and then the use efficiency of the m-cresol separation and purification device is reduced.
2. The invention is provided with a separation and purification mechanism, the m-cresol mixed with the crude coal tar phenol rectification extract under reduced pressure can be separated and purified, under the action of a control box, the opening and closing of a water pump and the opening and closing of an electric valve can be controlled, under the action of an electric distiller, the crude m-cresol can be distilled and cooled to obtain m-cresol liquid with higher purity, meanwhile, under the action of a first air-conditioning valve, whether the m-cresol liquid obtained by distillation and cooling of the electric distiller can enter a liquid outlet pipe or not can be controlled, under the action of a washing device, white paste filtered by a filtering device can be washed into white m-cresol-urea complex, under the action of the filtering device, the operation of cooling crystallization and filtration can be carried out on the mixture after heating and stirring, the mixture obtained by heating and stirring in the electric heating and stirring tank can be guided into the filtering device under the action of the electric valve, and whether the obtained mixture obtained by heating and stirring in the electric heating and stirring tank can enter the inside the first connecting pipe or not can be controlled under the action of the electric valve.
Drawings
FIG. 1 is a perspective view of a device for separating and purifying m-cresol according to the present invention;
FIG. 2 is an enlarged perspective view of the apparatus for separating and purifying m-cresol of the present invention at A in FIG. 1;
FIG. 3 is a partial perspective view showing a top view of a device for separating and purifying m-cresol according to the present invention;
FIG. 4 is a bottom perspective view of a device for separating and purifying m-cresol according to the present invention;
FIG. 5 is a perspective view of an auxiliary mechanism part of a device for separating and purifying m-cresol according to the present invention;
FIG. 6 is an enlarged perspective view of the apparatus for separating and purifying m-cresol of the present invention at B in FIG. 5;
FIG. 7 is another perspective view of an apparatus for separating and purifying m-cresol according to the present invention.
In the figure: 1. a cement table;
2. a separation and purification mechanism; 201. an electric heating stirring tank; 202. an electric valve; 203. a first connection pipe; 204. a water pump; 205. a second connection pipe; 206. a filtering device; 207. a washing device; 208. a hydrolysis device; 209. an electric distiller; 210. a control box;
3. an auxiliary mechanism; 301. a treatment box; 302. a liquid outlet pipe; 303. a first air conditioning valve; 304. a gas concentration detector; 305. a first electric push rod; 306. a negative pressure pump; 307. a hose; 308. a suction cup; 309. a rectangular hole; 310. a first seal ring; 311. a U-shaped frame; 312. a second electric push rod; 313. a limiting ring; 314. a controller; 315. a second air conditioning valve; 316. an air inlet pipe; 317. a blower; 318. a one-way valve; 319. a glass box; 320. an air outlet pipe; 321. a transparent plate; 322. a cylindrical hole; 323. a second seal ring; 324. a dust-proof net.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-7, the present invention provides a technical solution: the device comprises a cement table 1, wherein a separation and purification mechanism 2 is arranged at the top of the cement table 1, and an auxiliary mechanism 3 is arranged at the top of the cement table 1;
the auxiliary mechanism 3 comprises a treatment box 301, a fan 317 and a glass box 319, wherein a liquid outlet pipe 302 is fixedly penetrated through the top of the inner wall of the treatment box 301, a first air-conditioning valve 303 is installed at the input end of the liquid outlet pipe 302, a first electric push rod 305 is installed at the top of the inner wall of the treatment box 301, a negative pressure pump 306 is installed at the top of the treatment box 301, a hose 307 is installed at the output end of the negative pressure pump 306, a sucking disc 308 is installed at the telescopic end of the first electric push rod 305, two rectangular holes 309 are formed in the inner wall of the treatment box 301, a first sealing ring 310 is fixedly arranged in the two rectangular holes 309, a U-shaped frame 311 is arranged between the two first sealing rings 310, a second electric push rod 312 is installed on the outer wall of the treatment box 301, a limiting ring 313 is made of rubber material and is capable of bending and automatically rebounding, a second air-conditioning valve is penetrated through the outer wall thread of the treatment box 301, an air inlet pipe 316 is fixedly penetrated through the bottom the inner wall of the treatment box 301, an air outlet pipe 320 is fixedly penetrated through the inner wall of the glass box 319, a transparent plate 321 is fixedly penetrated through the inner wall of the treatment box 301, a transparent plate 321 is connected with an inlet plate 321, a transparent plate 314 is rotatably connected with the inlet plate 321, and a transparent controller 314 is installed on the surface of the fan 317.
According to the embodiment shown in fig. 1-6, the treatment tank 301 is positioned at the top of the cement table 1, the glass box 319 is positioned at the top of the cement table 1, the input end of the suction cup 308 is connected with the output end of the hose 307, the output end of the air inlet pipe 316 is connected with the input end of the blower fan 317, the telescopic end of the second electric push rod 312 is fixed with the inner wall of the U-shaped frame 311 through screws, the output end of the one-way valve 318 is connected with the input end of the air outlet pipe 320, the blower fan 317 is arranged at the top of the cement table 1, the output end of the air outlet pipe 320 is positioned at the position close to the bottom inside of the glass box 319, the transparent plate 321 is fixed with the treatment tank 301 through a manual lock, and the amount of m-cresol liquid obtained by distillation and cooling from the inside of the electric distiller 209 in the collection bottle can be observed conveniently under the action of the transparent plate 321.
According to fig. 2-5, the controller 314 is electrically connected with the first air-conditioning valve 303, the controller 314 is electrically connected with the second air-conditioning valve 315, the controller 314 is electrically connected with the first electric push rod 305, the controller 314 is electrically connected with the second electric push rod 312, the controller 314 is electrically connected with the negative pressure pump 306, the controller 314 is electrically connected with the fan 317, and the opening and closing of the first air-conditioning valve 303, the second air-conditioning valve 315, the first electric push rod 305, the second electric push rod 312, the negative pressure pump 306 and the fan 317 can be controlled conveniently under the action of the controller 314.
According to the embodiment shown in fig. 2-6, the gas concentration detector 304 is threaded through the top of the processing box 301, the cylindrical hole 322 is formed in the top of the processing box 301, the second sealing ring 323 is fixed in the cylindrical hole 322, the hose 307 is positioned in the second sealing ring 323, the dust screen 324 is installed at the input end of the negative pressure pump 306, and dust in the environment can be prevented from entering the negative pressure pump 306 conveniently under the action of the dust screen 324.
According to the embodiment shown in fig. 1 and 7, the separation and purification mechanism 2 comprises an electric heating stirring tank 201, the electric heating stirring tank 201 is positioned at the top of the cement table 1, and an electric valve 202 is installed at the output end of the electric heating stirring tank 201, so that under the action of the electric valve 202, whether the obtained mixture heated and stirred in the electric heating stirring tank 201 can enter the first connecting pipe 203 or not can be controlled.
According to the embodiment shown in fig. 7, the output end of the electric valve 202 is provided with a first connecting pipe 203, the output end of the first connecting pipe 203 is provided with a water pump 204, and the mixture obtained by heating and stirring the interior of the electric heating and stirring tank 201 can be conveniently guided into the filtering device 206 under the cooperation of the water pump 204, the first connecting pipe 203, the second connecting pipe 205 and the electric valve 202.
According to the figures 1 and 7, the water pump 204 is installed at the top of the cement table 1, the output end of the water pump 204 is provided with the second connecting pipe 205, and the top of the cement table 1 is provided with the filtering equipment 206, so that the mixture after heating and stirring can be cooled, crystallized and filtered conveniently under the action of the filtering equipment 206.
According to fig. 1 and 7, the output end of the second connecting pipe 205 is connected with the input end of the filtering device 206, and the washing device 207 is arranged at the top of the cement table 1, so that the white paste filtered by the filtering device 206 can be washed into white m-cresol-urea complex under the action of the washing device 207.
According to the fig. 1-4 and 7, the hydrolysis device 208 is arranged at the top of the cement table 1, the electric distiller 209 is arranged at the top of the cement table 1, the output end of the electric distiller 209 is connected with the input end of the first air-conditioning valve 303, the crude m-cresol can be conveniently distilled and cooled under the action of the electric distiller 209, thus m-cresol liquid with higher purity is obtained, and meanwhile, under the action of the first air-conditioning valve 303, whether the m-cresol liquid obtained by distillation and cooling of the electric distiller 209 can enter the liquid outlet pipe 302 or not can be controlled.
According to the embodiments shown in fig. 1 and 7, the top of the cement table 1 is provided with a control box 210, the control box 210 is electrically connected with the electric valve 202, the control box 210 is electrically connected with the water pump 204, and the opening and closing of the water pump 204 and the opening and closing of the electric valve 202 can be controlled conveniently under the action of the control box 210.
The whole mechanism achieves the following effects: when the crude coal tar phenol is required to be decompressed and rectified to extract, namely, the m-cresol liquid, and the m-cresol in the m-cresol liquid are separated and purified, at the moment, the water inlet end and the water outlet end of the filter device 206 are respectively connected with a first external water pipe, the water outlet end and the water inlet end of the electric distiller 209 are respectively connected with a second external water pipe, sodium hydroxide solution is poured into the glass box 319, the controller 314 is connected with an external power supply, the electric heating stirring tank 201, the filter device 206, the washing device 207, the hydrolysis device 208, the electric distiller 209 and the control box 210 are connected with the external power supply, namely, the controller 314 is a PLC (programmable logic controller) controller 314, the transparent plate 321 is opened, the collecting bottle is placed between the interiors of the two limiting rings 313, when the collecting bottle is placed, the bottom of the collecting bottle is just contacted with the bottom of the inner wall of the processing box 301, then the controller 314 is used to start the negative pressure pump 306, the input end of the negative pressure pump 306 started at this time will generate larger suction force, at this time, under the cooperation of the hose 307, the sucker 308 directly sucks the bottle cap of the collecting bottle, finally the transparent plate 321 is fixed by using the manual lock, when all is ready, a proper amount of p-cresol liquid is directly poured into the electric heating stirring tank 201, then a proper amount of powdery urea is poured into the electric heating stirring tank 201, then the electric heating stirring tank 201 is started, the heating temperature is set to be 90-95 ℃, at this time, the started electric heating stirring tank 201 will dissolve all the powdery urea, at this time, the electric heating stirring tank 201 will continuously stir the p-cresol liquid and the powdery urea for 4-5 hours at constant temperature, then the electric heating stirring tank 201 is stopped, at this time, the water pump 204 is started and the electric valve 202 is opened directly by the control box 210, the water pump 204 started at this time directly makes the input end of the electric valve 202 obtain suction force under the cooperation of the first connecting pipe 203, the electric valve 202 which obtains suction force directly sucks the mixture obtained after stirring at this time, and simultaneously directly guides the sucked mixture into the filtering device 206 under the cooperation of the second connecting pipe 205, when the mixture in the electric heating stirring tank 201 is completely sucked and guided to the filtering device 206, the electric valve 202 and the water pump 204 are directly closed at this time by the control box 210, then the mixture in the filtering device 206 is slowly cooled and crystallized to 0-5 degrees by the first external connecting pipe, when the mixture is cooled to 0-5 degrees, white paste is separated out from the mixture at this time, then the white paste is filtered by the filtering device 206, and then the obtained white paste is taken out, sending to a washing device 207, directly washing with ethanol liquid, taking out the white m-cresol-urea complex obtained after washing, placing into a hydrolysis device 208, adding a certain amount of water into the hydrolysis device 208 when a proper amount of white m-cresol-urea complex is placed in the hydrolysis device 208, starting the hydrolysis device 208, heating to 70-80 ℃, performing pyrolysis operation on a mixture of water and white m-cresol-urea complex, slowly cooling and crystallizing, sending the obtained m-cresol into an electric distiller 209, performing distillation operation on the m-cresol, directly collecting the light yellow to light red transparent liquid obtained after distillation when the temperature reaches 195-203 ℃, and performing collection operation on the obtained m-cresol liquid, at this time, the first air-conditioning valve 303 is directly opened by the controller 314, when the first air-conditioning valve 303 is opened, the m-cresol liquid obtained by the fraction at this time directly passes through the first air-conditioning valve 303, then enters the liquid outlet pipe 302, and then directly falls into the collecting bottle, when the m-cresol liquid collected in the collecting bottle reaches a certain amount through the transparent plate 321, the first air-conditioning valve 303 is directly closed by the controller 314 at this time, then the second electric push rod 312 is started by the controller 314, the started second electric push rod 312 directly drives the U-shaped frame 311 to move under the cooperation of the first sealing ring 310 and the rectangular hole 309, the moving U-shaped frame 311 directly drives the two limiting rings 313 to synchronously move, the moving two limiting rings 313 directly drive the collecting bottle filled with the m-cresol liquid to horizontally move, and when the U-shaped frame 311 moves to be unable to move, at this time, the controller 314 directly closes the second electric push rod 312, then the controller 314 is used for controlling the first electric push rod 305, at this time, the started first electric push rod 305 directly drives the sucker 308 to move, at this time, the moved sucker 308 directly drives the sucked bottle cap to move downwards, when the sucker 308 moves to be unable to move, the bottle cap is just installed at the top of the collecting bottle, then the negative pressure pump 306 is directly closed, when the negative pressure pump 306 is closed, the sucker 308 directly loses the force for sucking the bottle cap, the cooperation of the controller 314 and the first electric push rod 305 is used for resetting the sucker 308 to the initial position, then the controller 314 is used for closing the first electric push rod 305, then the starting gas concentration detector 304 is used for detecting the concentration of phenol gas in the processing box 301, when the gas concentration detector 304 detects the phenol gas emitted by the m-cresol solution, at this time, the fan 317 is directly started by the controller 314 and the second air-conditioning valve 315 is opened, at this time, the started fan 317 directly sucks the phenol gas in the treatment tank 301 under the cooperation of the second air-conditioning valve 315 and the air inlet pipe 316, then directly guides the phenol gas to the sodium hydroxide solution in the glass box 319 under the cooperation of the check valve 318 and the air outlet pipe 320, when the phenol gas contacts the sodium hydroxide solution, the phenol gas is directly dissolved in the sodium hydroxide solution, when the gas concentration detector 304 does not detect the phenol gas in the treatment tank 301, at this time, the fan 317 and the second air-conditioning valve 315 are directly closed by the controller 314, then the transparent plate 321 is opened, then the collecting bottle filled with the m-cresol liquid is removed from between the two limiting rings 313, then is taken out from the treatment tank 301, and then the steps are repeated, and another collecting bottle collecting and packaging operation is performed, so that the distilled m-cresol liquid can be continuously collected.
Wherein, the electric heating stirring tank 201 is of an upper opening type structure, and the simple working principle is that the electric heating stirring tank 201 is formed by heating a heat transfer medium in a jacket by an electric heating rod, so that the temperature of the heat transfer medium is increased to a required temperature to transfer heat to materials in the stirring tank, and then the electric heating rod is controlled by a temperature measuring control instrument to realize power-off and constant temperature;
the filtering equipment 206 consists of a temperature controller, a filter plate, a box body and the like, and is mainly used for performing cooling crystallization filtering operation on the mixture after heating and stirring;
washing device 207 washes the white paste filtered by filtering device 206 into white m-cresol-urea complex using ethanol liquid;
the hydrolysis device 208 can pyrolyze water and white m-cresol-urea complex and then cool and crystallize to obtain crude m-cresol;
the electric distiller 209 can be used for distilling crude m-cresol and then cooling the distilled m-cresol into liquid to obtain a m-cresol solution with higher purity.
The electric valve 202, the water pump 204, the control box 210, the first air-conditioning valve 303, the gas concentration detector 304, the first electric push rod 305, the negative pressure pump 306, the second electric push rod 312, the controller 314, the second air-conditioning valve 315, the fan 317 and the check valve 318 are all in the prior art, and are not explained herein too much.
Although the present invention has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present invention.
Claims (7)
1. The device for separating and purifying m-cresol comprises a cement table (1), and is characterized in that: the top of the cement table (1) is provided with a separation and purification mechanism (2), and the top of the cement table (1) is provided with an auxiliary mechanism (3); the auxiliary mechanism (3) comprises a processing box (301), a fan (317) and a glass box (319), a liquid outlet pipe (302) is fixedly penetrated through the top of the inner wall of the processing box (301), a first air conditioning valve (303) is installed at the input end of the liquid outlet pipe (302), a first electric push rod (305) is installed at the top of the inner wall of the processing box (301), a negative pressure pump (306) is installed at the top of the processing box (301), a flexible pipe (307) is installed at the output end of the negative pressure pump (306), a sucking disc (308) is installed at the telescopic end of the first electric push rod (305), two rectangular holes (309) are formed in the inner wall of the processing box (301), a first sealing ring (310) is fixed in the inner wall of the two rectangular holes (309), a U-shaped frame (311) is arranged between the inner parts of the two first sealing rings (310), a second electric push rod (312) is installed on the outer wall of the processing box (301), a limit ring (313) is installed at the two grooves of the processing box (301), a sucking disc (308) is installed at the telescopic end of the first electric push rod (305), the inner wall of the processing box (301) penetrates through the inner wall of the air outlet pipe (315) and is fixedly penetrated through the glass box (315), the inlet of the treatment box (301) is rotatably connected with a transparent plate (321) through a hinge, the output end of the fan (317) is provided with a one-way valve (318), the surface of the transparent plate (321) is provided with a controller (314), the treatment box (301) is positioned at the top of the cement table (1), the glass box (319) is positioned at the top of the cement table (1), the input end of the sucker (308) is connected with the output end of the hose (307), the output end of the air inlet pipe (316) is connected with the input end of the fan (317), the telescopic end of the second electric push rod (312) is fixed with the inner wall of the U-shaped frame (311) through a screw, the output end of the one-way valve (318) is connected with the input end of the air outlet pipe (320), the fan (317) is arranged at the top of the cement table (1), the output end of the air outlet pipe (320) is positioned at the position close to the bottom of the interior of the glass box (319), the top of the treatment box (301) is provided with a gas concentration detector (304), the output end of the air inlet pipe (316) is connected with the input end of the fan (317), the telescopic end of the second electric push rod (312) is connected with the inner wall of the U-shaped frame (311) through a sealing ring (311), the sealing ring (323) is positioned at the inner end of the second pump (323), the top of cement platform (1) sets up hydrolysis unit (208), the top of cement platform (1) is provided with electric distiller (209), the output of electric distiller (209) is connected with the input of first air conditioning valve (303).
2. The separation and purification device for m-cresol according to claim 1, wherein: the controller (314) is electrically connected with the first air conditioning valve (303), the controller (314) is electrically connected with the second air conditioning valve (315), the controller (314) is electrically connected with the first electric push rod (305), the controller (314) is electrically connected with the second electric push rod (312), the controller (314) is electrically connected with the negative pressure pump (306), and the controller (314) is electrically connected with the fan (317).
3. The separation and purification device for m-cresol according to claim 1, wherein: the separation and purification mechanism (2) comprises an electric heating stirring tank (201), wherein the electric heating stirring tank (201) is arranged at the top of the cement table (1), and an electric valve (202) is arranged at the output end of the electric heating stirring tank (201).
4. The apparatus for separating and purifying m-cresol according to claim 3, wherein: the output end of the electric valve (202) is provided with a first connecting pipe (203), and the output end of the first connecting pipe (203) is provided with a water pump (204).
5. The apparatus for separating and purifying m-cresol according to claim 4, wherein: the water pump (204) is installed at the top of cement table (1), second connecting pipe (205) is installed to the output of water pump (204), the top of cement table (1) is provided with filtration equipment (206).
6. The apparatus for separating and purifying m-cresol according to claim 5, wherein: the output end of the second connecting pipe (205) is connected with the input end of the filtering equipment (206), and the top of the cement table (1) is provided with a washing equipment (207).
7. The apparatus for separating and purifying m-cresol according to claim 4, wherein: the top of cement platform (1) is provided with control box (210), control box (210) respectively with motorised valve (202) electric connection, control box (210) and water pump (204) electric connection.
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| CN202310635150.9A CN116351153B (en) | 2023-05-31 | 2023-05-31 | Separation and purification device for m-cresol |
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| CN217418176U (en) * | 2022-05-21 | 2022-09-13 | 河南威玛智能科技有限公司 | Full automatic filling machine of barreled liquid material |
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| GB412594A (en) * | 1932-12-29 | 1934-06-29 | Bakelite Corp | Improvements in and relating to fractional distillation processes and apparatus |
| CN101293625A (en) * | 2008-06-17 | 2008-10-29 | 中国石油化工股份有限公司 | Apparatus and method for recycling discharged gas in enclosed pour-in process of phynol, acetone |
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