CN110002984B - System and method for anthraquinone upgrading - Google Patents
System and method for anthraquinone upgrading Download PDFInfo
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- CN110002984B CN110002984B CN201910362581.6A CN201910362581A CN110002984B CN 110002984 B CN110002984 B CN 110002984B CN 201910362581 A CN201910362581 A CN 201910362581A CN 110002984 B CN110002984 B CN 110002984B
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- anthraquinone
- thin
- tail gas
- wall
- settling
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- PYKYMHQGRFAEBM-UHFFFAOYSA-N anthraquinone Natural products CCC(=O)c1c(O)c2C(=O)C3C(C=CC=C3O)C(=O)c2cc1CC(=O)OC PYKYMHQGRFAEBM-UHFFFAOYSA-N 0.000 title claims abstract description 92
- 150000004056 anthraquinones Chemical class 0.000 title claims abstract description 92
- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000004062 sedimentation Methods 0.000 claims abstract description 42
- 238000005406 washing Methods 0.000 claims abstract description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 30
- 238000012216 screening Methods 0.000 claims abstract description 18
- 239000007787 solid Substances 0.000 claims abstract description 17
- 238000001816 cooling Methods 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims abstract description 12
- 238000009833 condensation Methods 0.000 claims abstract description 11
- 230000005494 condensation Effects 0.000 claims abstract description 11
- 238000004519 manufacturing process Methods 0.000 claims abstract description 8
- 238000004806 packaging method and process Methods 0.000 claims abstract description 6
- 239000000428 dust Substances 0.000 claims description 13
- 239000007921 spray Substances 0.000 claims description 12
- 239000013078 crystal Substances 0.000 claims description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 239000010935 stainless steel Substances 0.000 claims description 6
- 239000000843 powder Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 2
- 238000000746 purification Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 3
- MWPLVEDNUUSJAV-UHFFFAOYSA-N anthracene Chemical compound C1=CC=CC2=CC3=CC=CC=C3C=C21 MWPLVEDNUUSJAV-UHFFFAOYSA-N 0.000 description 10
- 239000000047 product Substances 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000011010 flushing procedure Methods 0.000 description 4
- 239000006227 byproduct Substances 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C46/00—Preparation of quinones
- C07C46/10—Separation; Purification; Stabilisation; Use of additives
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2603/00—Systems containing at least three condensed rings
- C07C2603/02—Ortho- or ortho- and peri-condensed systems
- C07C2603/04—Ortho- or ortho- and peri-condensed systems containing three rings
- C07C2603/22—Ortho- or ortho- and peri-condensed systems containing three rings containing only six-membered rings
- C07C2603/24—Anthracenes; Hydrogenated anthracenes
Abstract
The invention discloses a system and a method for improving anthraquinone quality, wherein gaseous anthraquinone produced by a production line enters a flame arrester for cooling and then enters a thin-wall condensing box; cooling gaseous anthraquinone in a thin-wall condensing box, and crystallizing and settling a large amount of anthraquinone; the mixed gas after condensation and sedimentation of the thin-wall condensing tanks is introduced into a plurality of sedimentation tanks for further sedimentation, solid anthraquinone outlets are arranged at the bottoms of the sedimentation tanks and the bottoms of the thin-wall condensing tanks, the solid anthraquinone outlets are communicated with a conveying device, the conveying device is connected with a tubular screw conveyer, the outlet of the tubular screw conveyer is communicated with a screening device, the screening device is connected with a packaging line and a crushing device, and the crushing device is communicated with the conveying device; and condensing and settling anthraquinone tail gas through a plurality of settling tanks, dedusting the anthraquinone tail gas through a tail gas dedusting device, and then entering a tail gas washing tower, washing in water bath, and then emptying. The system has simple structure and high cooling effect, increases the condensing speed of gas-phase materials and reduces the carrying-out of air flow.
Description
Technical Field
The invention discloses a system and a method for anthraquinone upgrading, and belongs to the technical field of coal chemical equipment.
Background
Feeding refined anthracene as raw material into a melting pot by a screw conveyor, pumping molten anthracene into a jacketed vaporizing pot by a submerged pump on the melting pot, continuously heating, filtering the vaporized gaseous anthracene by a ceramic ring filter, feeding the gaseous anthracene into a hot air pipe, merging the gaseous anthracene with hot air in a certain proportion into mixed gas, feeding the mixed gas into an oxidizer for oxidation reaction, feeding the generated gaseous anthraquinone into a flame arrester for cooling, feeding the cooled gaseous anthraquinone into a thin-wall condensing box, cooling the mixed gas in the 1# to 12# thin-wall condensing box to 150-120 ℃, crystallizing and settling a large amount of anthraquinone, uniformly mixing, sieving and packaging; the mixed gas is cooled to 100-70 ℃ in a 13# to 18# thin-wall condensing box, a small amount of low-content anthraquinone crystals are precipitated, and after the gas exits the thin-wall condensing box, dust is further collected by a precipitation collecting room, and then is subjected to water film dust removal and is discharged. The tail gas has more materials, which is easy to cause the blockage of the absorption tower, and the materials are fluffy and do not meet the quality requirement.
Disclosure of Invention
In order to solve the defects in the prior art, the invention discloses a system and a method for anthraquinone upgrading, which have the advantages of simple structure and high cooling effect, increase the condensing speed of gas-phase materials and reduce the air flow carried-out.
The invention is realized by the following technical scheme:
a system for improving anthraquinone quality comprises a flame arrester, a plurality of thin-wall condensing boxes, a plurality of settling boxes, a conveying device, a screening device, a tail gas dust removing device and a tail gas washing tower, wherein gaseous anthraquinone produced by a production line enters the thin-wall condensing boxes after being cooled, the number of the thin-wall condensing boxes is 16-20, and aluminum is sprayed on the inner wall surfaces of the thin-wall condensing boxes;
the gaseous anthraquinone is cooled in a thin-wall condensing box, and a large amount of anthraquinone is crystallized and settled; the mixed gas after condensation and sedimentation by the thin-wall condensing box is led into a plurality of sedimentation boxes for further sedimentation, the sedimentation boxes are stainless steel condensers, solid anthraquinone outlets are arranged at the bottoms of the sedimentation boxes and the bottoms of the thin-wall condensing boxes, the solid anthraquinone outlets are communicated with a conveying device, the conveying device is connected with a tubular screw conveyer, and the tubular screw conveyer is a variable-pitch tubular screw conveyer;
the outlet of the tubular screw conveyor is communicated with the screening device, the screening device is connected with the packaging line and the crushing device, and the crushing device is communicated with the conveying device;
and condensing and settling anthraquinone tail gas through a plurality of settling tanks, dedusting the anthraquinone tail gas through a tail gas dedusting device, and then entering a tail gas washing tower, washing in water bath, and then emptying.
The number of the sedimentation boxes is 10-16.
The circulating water tank is connected to the tail gas washing tower, the circulating water tank includes lower part sedimentation tank and top water purification pond, the tail gas washing tower sets up the anthraquinone tail gas exhaust funnel of lower part tail gas access connection condensing tank, and the bottom sets up the sedimentation tank that the shower water export led to the circulating water tank, tail gas washing tower top sets up the tail gas export, the tail gas washing tower divide into from down to the top: the first tower body, second tower body and third tower body, be provided with first shower in the first tower body, set up the dust fall shower nozzle in the second tower body, set up the defroster in the third tower body.
The tubular screw conveyer comprises an outer pipe and a rotating shaft arranged in the outer pipe, wherein two ends of the outer pipe are respectively provided with a feed inlet and a discharge outlet, a motor is arranged at the discharge end of the outer pipe, the motor is connected with the rotating shaft, a helical blade is arranged outside the rotating shaft, and the helical blade pitch of the feed inlet end is smaller than that of the helical blade at the discharge outlet end.
And a temperature sensor and a temperature control device are arranged on the thin-wall condensing box.
The system is used for carrying out the method for improving the quality of anthraquinone, which comprises the following steps:
1) The gaseous anthraquinone produced by the production line enters a flame arrester for cooling and then enters a thin-wall condensing box, the number of the thin-wall condensing boxes is 16-20, and aluminum is sprayed on the inner wall surface of the thin-wall condensing box;
2) The gaseous anthraquinone is in the 1# to 6# thin-wall condensing box, the temperature of the rear thin-wall condensing box is reduced by 5-10 ℃ compared with the front box, the temperature is reduced to 250-150 ℃, the gaseous anthraquinone is in the 7# to 12# thin-wall condensing box, the temperature of each thin-wall condensing box is reduced to 180-120 ℃ by 5-10 ℃, a large amount of anthraquinone crystals are settled, and the mixture is uniformly mixed, sieved and packaged; the gaseous anthraquinone is then placed in 13# to 18# thin-wall condensing boxes, the temperature of each thin-wall condensing box is reduced to 100 to 70 ℃ in a temperature reducing range of 5 to 10 ℃, and a small amount of low-content anthraquinone crystals are precipitated;
3) The mixed gas after condensation and sedimentation by the thin-wall condensing box is led into a plurality of sedimentation boxes for further sedimentation, the sedimentation boxes are stainless steel condensers, solid anthraquinone outlets are arranged at the bottoms of the sedimentation boxes and the thin-wall condensing box, and the solid anthraquinone outlets are communicated with a conveying device;
4) The conveying device is connected with a tubular screw conveyor, and the tubular screw conveyor conveys solid anthraquinone at the bottom of the sedimentation tank and the bottom of the thin-wall condensation tank to the screening device;
5) The screening device packages the screened powder products, and further pulverizes and screens the screened lump materials and tailings;
6) And condensing and settling anthraquinone tail gas through a plurality of settling tanks, dedusting the anthraquinone tail gas through a tail gas dedusting device, and then, feeding the anthraquinone tail gas into a tail gas washing tower, washing in water bath, and then, emptying.
Compared with the prior art, the invention has the following beneficial effects:
the invention adopts a method for adding the iron thin-wall condensing box, and adds 16-20 condensers for every two lines, and has the following advantages:
the area of the airflow channels is increased, the number of the airflow channels is changed from one to two, the area is changed to 2 times of the original area, and the airflow speed is reduced to 1/2 of the original airflow speed under the condition of unchanged air quantity, so that the airflow carried-out is reduced;
the sedimentation tank is added, so that the residence time of the air flow in the sedimentation tank is prolonged, a large amount of gas phase is condensed, and the air flow carried-out is reduced;
an iron condenser for a settling chamber is additionally arranged, so that the cooling effect is improved, the condensing speed of gas-phase materials is increased, and the air flow carried-out is reduced.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic diagram of the structure of the present invention;
fig. 2 is a schematic view of a tubular screw conveyor.
In the figure, a flame arrester 1, a thin-wall condensing box 2, a settling box 3, a conveying device 4, a screening device 5, a tail gas dust removing device 6, a tail gas washing tower 7, a connecting square pipe 8, a temperature sensor 9, a temperature control device 10, a tubular screw conveyor 11, a crushing device 12, a circulating water tank 13, a settling tank 14, a top clean water tank 15, a second tower body 16, a third tower body 17, a first spray pipe 18, a dust settling nozzle 19, a demister 20, a high-pressure flushing nozzle 21, a first tower body 22, an outer pipe 111, a rotating shaft 112, a feed inlet 113, a discharge outlet 114, a motor 115 and a screw blade 116.
Detailed Description
The present invention will be described in further detail with reference to specific embodiments, but the scope of the invention is not limited to these embodiments, and all changes and equivalents that do not depart from the spirit of the invention are intended to be included in the scope of the invention.
Example 1
As shown in figure 1 of the drawings,
the system for improving the quality of the anthraquinone comprises a flame arrester 1, a plurality of thin-wall condensing boxes 2, a plurality of settling boxes 3, a conveying device 4, a screening device 5, a tail gas dust removing device 6 and a tail gas washing tower 7, wherein gaseous anthraquinone produced by a production line enters the thin-wall condensing boxes 2 after being cooled by the flame arrester 1, the number of the thin-wall condensing boxes 2 is 16-20, and the thin-wall condensing boxes 2 are sequentially connected by adopting a connecting square pipe 8; spraying aluminum on the inner wall surface of the thin-wall condensing box 2; a temperature sensor 9 and a temperature control device 10 are arranged on the thin-wall condensing box 2;
the number of thin-wall condensing boxes is increased, the cooling rate is reduced, quenching is avoided, the adhesion of anthraquinone products on the wall is reduced, and the by-products are reduced to be brought into the products.
The inner wall of the thin-wall condensing box 2 is sprayed with aluminum to enable the inner wall to be smooth, and meanwhile oxidation of the inner wall is delayed, so that adhesion of materials on the wall can be reduced, inner wall oxides can be prevented from being brought into the materials, and anthraquinone quality is improved.
The gaseous anthraquinone is cooled in a thin-wall condensing box 2, and a large amount of anthraquinone is crystallized and settled; the mixed gas after condensation and sedimentation of the thin-wall condensing box 2 is led into a plurality of sedimentation boxes 3 for further sedimentation, the sedimentation boxes 3 are stainless steel condensers, solid anthraquinone outlets are arranged at the bottoms of the sedimentation boxes 3 and the thin-wall condensing box 2, the solid anthraquinone outlets are communicated with a conveying device 4, the conveying device 4 is connected with a tubular screw conveyor 11, and the tubular screw conveyor 11 is a variable-pitch tubular screw conveyor; the outlet of the tubular screw conveyor 11 is communicated with the screening device 5, the screening device 5 is connected with a packaging line and a crushing device 12, and the crushing device 12 is communicated with the conveying device 4;
the anthraquinone tail gas after condensation and sedimentation in a plurality of sedimentation boxes 3 enters a tail gas washing tower 7 after being dedusted by a tail gas dedusting device 6, and is discharged after washing in water bath.
The number of the sedimentation boxes 3 is 10-16. The sedimentation tank is a stainless steel condenser, so that gaseous anthraquinone carried in tail gas can be reduced, adhesion of anthraquinone products on the wall can be reduced, and byproducts are reduced to be brought into the products.
The circulating water tank 13 is connected to the tail gas washing tower 7, the circulating water tank 13 includes lower part sedimentation tank 14 and top clean water tank 15, the tail gas exhaust pipe of tail gas dust collector 6 is connected to tail gas washing tower 7 lower part tail gas inlet, tail gas washing tower 7 bottom sets up the sedimentation tank 14 that the shower water export led to circulating water tank 13, tail gas washing tower 7 top sets up the tail gas export, tail gas washing tower 7 divide into from bottom to top: the first tower body 22, the second tower body 16 and the third tower body 17, a first spray pipe 18 is arranged in the first tower body 22, a dust fall spray head 19 is arranged in the second tower body 16, and a demister 20 is arranged in the third tower body 17.
The demister 20 is provided with a high-pressure flushing spray head 21 at the upper and lower parts respectively; the first spray pipe 18, the dust settling spray head 19 and the high-pressure flushing spray head 21 are respectively connected with the clean water tank through pipelines, the pipeline connected with the clean water tank through the first spray pipe 18 and the dust settling spray head 19 is provided with a circulating water pump and a switch valve, and the pipeline connected with the clean water tank through the high-pressure flushing spray head is provided with a circulating water pump and a timing switch electromagnetic valve.
As shown in fig. 2, the tubular screw conveyor 11 includes an outer tube 111 and a rotating shaft 112 disposed in the outer tube, two ends of the outer tube are respectively provided with a feed inlet 113 and a discharge outlet 114, a discharge end of the outer tube is provided with a motor 115, the motor 115 is connected with the rotating shaft 112, a helical blade 116 is disposed outside the rotating shaft, and a helical blade pitch at the feed inlet end is smaller than a helical blade pitch at the discharge outlet end.
The rotating speed of the motor is 50r/min, and the power is 7.5KW.
The bulk density of the anthraquinone material coming out of the production line is very small and is only 0.3t/m 3 Difficult to package, very inconvenient for customers to use, isChanging the current situation, adding a gradual change screw, taking the screw pitch of the tubular screw conveyor as the variable pitch, after the produced materials are uniformly mixed, improving the anthraquinone bulk density by screw extrusion, wherein the bulk density after extrusion is 0.4t/m 3 Is convenient for packaging and is convenient for customers to use.
The system is used for carrying out the method for improving the quality of the anthraquinone, which comprises the following steps:
1) The gaseous anthraquinone produced by the production line enters a flame arrester for cooling and then enters a thin-wall condensing box, the number of the thin-wall condensing boxes is 16-20, 18 are preferred in the embodiment, and aluminum is sprayed on the inner wall surface of the thin-wall condensing box;
2) The gaseous anthraquinone is cooled to 230-180 ℃ in a 1# to 3# thin-wall condensing box according to the cooling amplitude that the 2# thin-wall condensing box is cooled to 5-10 ℃ than the 1# box and the 3# thin-wall condensing box is cooled to 5-10 ℃ than the 2# box; the pressure in the box is 3-5KPa;
the gaseous anthraquinone is cooled to 200-150 ℃ in a 4# to 6# thin-wall condensing box according to the cooling amplitude of 5-10 ℃ of the 2# thin-wall condensing box compared with the 1# box, and the pressure in the box is 3-5KPa;
the gaseous anthraquinone is in a No. 7-9 thin-wall condensing box, the temperature of each thin-wall condensing box is reduced to 180-120 ℃ by the temperature reduction range of 5-10 ℃, and the pressure in the box is 3-4KPa;
the gaseous anthraquinone is in 9# to 12# thin-wall condensing boxes, the temperature of each thin-wall condensing box is reduced to 130 ℃ to 100 ℃ by the temperature reduction range of 5 ℃ to 10 ℃, and the pressure in the box is 3 KPa to 4KPa;
a large amount of anthraquinone crystals are settled in a No. 1-12 thin-wall condensing box, uniformly mixed, sieved and packaged;
the gaseous anthraquinone is then placed in 13# to 18# thin-wall condensing boxes, the temperature of each thin-wall condensing box is reduced to 100 to 70 ℃ in a temperature reducing range of 3 to 5 ℃, and the pressure in the box is 3 to 4KPa;
a small amount of low-content anthraquinone crystals are settled out in the 13# to 18# thin-wall condensing box;
the whole cooling process is slowly and steadily carried out, so that gaseous anthraquinone carried in tail gas can be reduced, and adhesion of anthraquinone products on the wall of the reactor can be reduced.
3) The mixed gas after condensation and sedimentation by the thin-wall condensing box is led into a plurality of sedimentation boxes for further sedimentation, the sedimentation boxes are stainless steel condensers, solid anthraquinone outlets are arranged at the bottoms of the sedimentation boxes and the thin-wall condensing box, and the solid anthraquinone outlets are communicated with a conveying device;
4) The conveying device is connected with a tubular screw conveyor, and the tubular screw conveyor conveys solid anthraquinone at the bottom of the sedimentation tank and the bottom of the thin-wall condensation tank to the screening device;
5) The screening device packages the screened powder products, and further pulverizes and screens the screened lump materials and tailings;
6) And condensing and settling anthraquinone tail gas through a plurality of settling tanks, dedusting the anthraquinone tail gas through a tail gas dedusting device, and then, feeding the anthraquinone tail gas into a tail gas washing tower, washing in water bath, and then, emptying.
The present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (2)
1. A method for improving the quality of anthraquinone is characterized in that a system for improving the quality of anthraquinone is used, which comprises a flame arrester, a plurality of thin-wall condensing boxes, a plurality of settling boxes, a conveying device, a screening device, a tail gas dust removing device and a tail gas washing tower,
the gaseous anthraquinone produced by the production line enters a flame arrester for cooling and then enters a thin-wall condensing box, the number of the thin-wall condensing boxes is 18, and aluminum is sprayed on the inner wall surface of the thin-wall condensing box;
the gaseous anthraquinone is cooled in a thin-wall condensing box, and a large amount of anthraquinone is crystallized and settled; condensing the settled mixed gas by a thin-wall condensing box, and introducing the mixed gas into a settling box for further settling, wherein the number of the settling boxes is 10-16; the sedimentation tank is a stainless steel condenser, solid anthraquinone outlets are arranged at the bottom of the sedimentation tank and the bottom of the thin-wall condensation tank, the solid anthraquinone outlets are communicated with a conveying device, the conveying device is connected with a tubular screw conveyor, and the tubular screw conveyor is a variable-pitch tubular screw conveyor; the tubular screw conveyor comprises an outer tube and a rotating shaft arranged in the outer tube, wherein two ends of the outer tube are respectively provided with a feed inlet and a discharge outlet, the discharge end of the outer tube is provided with a motor, the motor is connected with the rotating shaft, a helical blade is arranged outside the rotating shaft, and the helical blade pitch of the feed inlet end is smaller than that of the helical blade at the discharge outlet end;
the outlet of the tubular screw conveyor is communicated with the screening device, the screening device is connected with the packaging line and the crushing device, and the crushing device is communicated with the conveying device;
condensing and settling anthraquinone tail gas through a plurality of settling tanks, dedusting the anthraquinone tail gas through a tail gas dedusting device, and then entering a tail gas washing tower, washing in water bath and then emptying; the circulating water tank is connected to the tail gas washing tower, the circulating water tank includes lower part sedimentation tank and top water purification pond, the tail gas washing tower sets up the anthraquinone tail gas exhaust funnel of lower part tail gas access connection condensing tank, and the bottom sets up the sedimentation tank that the shower water export led to the circulating water tank, tail gas washing tower top sets up the tail gas export, the tail gas washing tower divide into from down to the top: the tower comprises a first tower body, a second tower body and a third tower body, wherein a first spray pipe is arranged in the first tower body, a dust fall spray head is arranged in the second tower body, and a demister is arranged in the third tower body;
the method for anthraquinone upgrading comprises the following steps:
1) The gaseous anthraquinone produced by the production line enters a flame arrester for cooling and then enters a thin-wall condensing box, wherein the number of the thin-wall condensing boxes is 18;
2) The gaseous anthraquinone is in the 1# to 6# thin-wall condensing box, the temperature of the rear thin-wall condensing box is reduced by 5-10 ℃ compared with the temperature of the front thin-wall condensing box, the temperature is reduced to 250-150 ℃, the temperature of the gaseous anthraquinone is reduced to 180-120 ℃ in the 7# to 12# thin-wall condensing box by 5-10 ℃ of each thin-wall condensing box, a large amount of anthraquinone crystals are settled, and the mixture is uniformly mixed, screened and packaged; the gaseous anthraquinone is then placed in 13# to 18# thin-wall condensing boxes, the temperature of each thin-wall condensing box is reduced to 100 to 70 ℃ in a temperature reducing range of 5 to 10 ℃, and a small amount of low-content anthraquinone crystals are precipitated;
3) The mixed gas after condensing and settling by the thin-wall condensing box is led into a plurality of settling boxes for further settling, solid anthraquinone outlets are arranged at the bottoms of the settling boxes and the thin-wall condensing box, and the solid anthraquinone outlets are communicated with a conveying device;
4) The conveying device is connected with a tubular screw conveyor, and the tubular screw conveyor conveys solid anthraquinone at the bottom of the sedimentation tank and the bottom of the thin-wall condensation tank to the screening device;
5) The screening device packages the screened powder products, and further pulverizes and screens the screened lump materials and tailings;
6) And condensing and settling anthraquinone tail gas through a plurality of settling tanks, dedusting the anthraquinone tail gas through a tail gas dedusting device, and then, feeding the anthraquinone tail gas into a tail gas washing tower, washing in water bath, and then, emptying.
2. A method for anthraquinone upgrading according to claim 1, characterized in that the thin-walled condensation tank is provided with a temperature sensor and a temperature control device.
Priority Applications (1)
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| CN201910362581.6A CN110002984B (en) | 2019-04-30 | 2019-04-30 | System and method for anthraquinone upgrading |
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| CN201910362581.6A CN110002984B (en) | 2019-04-30 | 2019-04-30 | System and method for anthraquinone upgrading |
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| CN110002984A CN110002984A (en) | 2019-07-12 |
| CN110002984B true CN110002984B (en) | 2024-01-02 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57175139A (en) * | 1981-04-20 | 1982-10-28 | Kawasaki Kasei Chem Ltd | Preparation of purified anthraquinone |
| CN1132120A (en) * | 1995-03-30 | 1996-10-02 | 蔡东宏 | Processing method for workpiece surface treated with high hardness and non-adhesion properties |
| CN101638788A (en) * | 2008-07-28 | 2010-02-03 | 沈阳工业大学 | Process for preparing antioxidant and wear-resistant layer on surface of copper |
| CN103506060A (en) * | 2012-06-25 | 2014-01-15 | 江苏润江精细化工有限公司 | Energy-saving type oxyanthraquinone production device |
| CN208511911U (en) * | 2018-05-31 | 2019-02-19 | 山西豪仑科化工有限公司 | A kind of oxidation anthraquinone production anthraquinone tail gas de-tastes dust arrester installation |
-
2019
- 2019-04-30 CN CN201910362581.6A patent/CN110002984B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57175139A (en) * | 1981-04-20 | 1982-10-28 | Kawasaki Kasei Chem Ltd | Preparation of purified anthraquinone |
| CN1132120A (en) * | 1995-03-30 | 1996-10-02 | 蔡东宏 | Processing method for workpiece surface treated with high hardness and non-adhesion properties |
| CN101638788A (en) * | 2008-07-28 | 2010-02-03 | 沈阳工业大学 | Process for preparing antioxidant and wear-resistant layer on surface of copper |
| CN103506060A (en) * | 2012-06-25 | 2014-01-15 | 江苏润江精细化工有限公司 | Energy-saving type oxyanthraquinone production device |
| CN208511911U (en) * | 2018-05-31 | 2019-02-19 | 山西豪仑科化工有限公司 | A kind of oxidation anthraquinone production anthraquinone tail gas de-tastes dust arrester installation |
Non-Patent Citations (3)
| Title |
|---|
| 化工储槽喷铝防腐蚀技术的应用;戴烨凌;辽宁化工;第40卷(第7期);710-712 * |
| 周长庚等.实用油漆涂装大全.1997,第534页. * |
| 赵文林 ; 阚铁良 ; .喷风喷雾冷凝工艺在醌蒽生产中的应用.辽宁化工.(03),第11-15页. * |
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