CN107586551B - Equipment and method for extracting regenerated oil products from oil smoke in organic matter carbonization - Google Patents
Equipment and method for extracting regenerated oil products from oil smoke in organic matter carbonization Download PDFInfo
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- CN107586551B CN107586551B CN201710997575.9A CN201710997575A CN107586551B CN 107586551 B CN107586551 B CN 107586551B CN 201710997575 A CN201710997575 A CN 201710997575A CN 107586551 B CN107586551 B CN 107586551B
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- 239000000779 smoke Substances 0.000 title claims abstract description 33
- 238000003763 carbonization Methods 0.000 title claims abstract description 18
- 238000000034 method Methods 0.000 title claims abstract description 15
- 239000005416 organic matter Substances 0.000 title claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 120
- 238000010521 absorption reaction Methods 0.000 claims abstract description 17
- 230000008929 regeneration Effects 0.000 claims abstract description 13
- 238000011069 regeneration method Methods 0.000 claims abstract description 13
- 235000019198 oils Nutrition 0.000 claims description 376
- 239000007789 gas Substances 0.000 claims description 106
- 239000002904 solvent Substances 0.000 claims description 90
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 60
- 239000003546 flue gas Substances 0.000 claims description 53
- 238000001816 cooling Methods 0.000 claims description 39
- 239000000945 filler Substances 0.000 claims description 33
- 239000007790 solid phase Substances 0.000 claims description 29
- 238000002156 mixing Methods 0.000 claims description 15
- 239000007788 liquid Substances 0.000 claims description 13
- 238000000605 extraction Methods 0.000 claims description 12
- 229910002090 carbon oxide Inorganic materials 0.000 claims description 10
- 238000004064 recycling Methods 0.000 claims description 7
- 239000000919 ceramic Substances 0.000 claims description 6
- 239000012535 impurity Substances 0.000 claims description 6
- 235000019476 oil-water mixture Nutrition 0.000 claims description 6
- 239000007921 spray Substances 0.000 claims description 6
- 230000000630 rising effect Effects 0.000 claims description 5
- 238000004880 explosion Methods 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 4
- 238000005496 tempering Methods 0.000 claims description 3
- 238000011049 filling Methods 0.000 claims description 2
- 238000005086 pumping Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 claims 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract description 14
- 239000002699 waste material Substances 0.000 abstract description 6
- 238000002485 combustion reaction Methods 0.000 abstract description 5
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 abstract description 4
- 238000004523 catalytic cracking Methods 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 267
- 229910052573 porcelain Inorganic materials 0.000 description 10
- 239000010813 municipal solid waste Substances 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 3
- 239000003517 fume Substances 0.000 description 3
- 239000007791 liquid phase Substances 0.000 description 3
- CSJDCSCTVDEHRN-UHFFFAOYSA-N methane;molecular oxygen Chemical compound C.O=O CSJDCSCTVDEHRN-UHFFFAOYSA-N 0.000 description 3
- 238000010992 reflux Methods 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 239000000567 combustion gas Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000001172 regenerating effect Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 239000011469 building brick Substances 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004200 deflagration Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- MEKDPHXPVMKCON-UHFFFAOYSA-N ethane;methane Chemical compound C.CC MEKDPHXPVMKCON-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000010815 organic waste Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
- 239000012808 vapor phase Substances 0.000 description 1
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- Treating Waste Gases (AREA)
Abstract
The invention discloses a device and a method for extracting regenerated oil from oil smoke in carbonization of organic matters, wherein the method for extracting regenerated oil from oil smoke is characterized in that the density and the oil quality of liquefied mixed oil are changed, so that the mixed oil can float above the water surface, the mixed oil is pumped out by an oil pump, the finished oil is separated by an oil-water separator, the finished oil is finally led into a finished oil tank, noncondensable gas at least comprises methane, ethane gas components, and combustible gas such as methane, ethane and the like is finally used for combustion, and the heat of combustion is used for supplying other devices. The mixed oil from the bottom of the absorption tower can be produced by a constant catalytic cracking continuous regeneration waste oil device.
Description
Technical Field
The invention relates to a carbon oxide treatment technology, in particular to oil smoke extraction and regeneration oil product equipment in organic matter carbonization and an extraction method thereof.
Background
The main components of the household garbage are inorganic matters, waste metal organic matters and moisture, inorganic matter slag and the like can be produced into building bricks, waste metal is extracted as metal, and raw materials are carbonized at high temperature in an oxygen-free and negative-oxygen carbonization furnace for organic matters such as organic waste plastics, waste rubber and the like, so as to produce coke coal and a high-concentration high-temperature oil smoke solvent absorption catalysis process. Most of the flue gas coming out of the carbonization furnace is carbon oxide, part of acid and water are in the form of steam in the flue gas, in life, a plurality of carbon oxide garbage exist, the traditional treatment mode is generally incineration treatment, and harmful gas generated by incineration volatilizes into the air, so that the environment is greatly influenced. When the garbage is incinerated, the garbage contains organic matters, and tail gas generated when the organic matters are incinerated contains non-condensable gases such as carbon oxides, water vapor, methane and the like, and the gases are discharged into the air to cause environmental pollution.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide oil fume extraction and regeneration oil equipment in organic matter carbonization and an extraction method thereof.
In order to solve the technical problems, the invention is realized by the following scheme: the oil fume in the organic matter carbonization draws regeneration oil equipment, this equipment includes:
the absorption tower comprises a base and a flue gas treatment device arranged on the base, wherein a containing cavity is arranged in the base and is communicated with the containing cavity of the flue gas treatment device, a first water-cooling and cooling device is arranged in the containing cavity of the base, a magnetic turning plate liquid level meter is arranged on the inner side wall of the base, an oil outlet pipe interface is arranged at the bottom of the outer side wall of the base, and a first oil pump is arranged on a pipeline connected with the oil outlet pipe interface; the top of the flue gas treatment device is provided with a non-condensable gas discharge interface, a second water-cooling device and 2 solid-phase fillers with certain intervals are arranged in the inner cavity of the flue gas treatment device from top to bottom, ceramic rings are stacked in the solid-phase fillers, a mounting hole is formed in the side wall lower than the next solid-phase filler, an elbow is arranged on the mounting hole, the opening of the elbow in the inner cavity of the flue gas treatment device faces upwards, the external interface of the elbow is connected with a flue gas inlet pipe, and a plurality of divergent spray heads are arranged between the last solid-phase filler and the second water-cooling device;
the oil outlet port is connected with the divergent nozzle through an oil pipe, and a second oil pump is arranged in the pipeline;
the solvent oil tank is used for storing solvent oil, an oil inlet port is arranged at the top of the solvent oil tank, an oil outlet port is arranged at the lower part of the outer wall of the solvent oil tank, the oil outlet port is connected with the divergent nozzle through an oil pipe, and a third oil pump is arranged in a pipeline;
the top of the condenser is connected with the oil inlet port of the mixing oil tank through an oil pipe, and the bottom of the condenser is respectively connected with the oil inlet ports of the first oil pump and the solvent oil tank through an oil pipe;
the oil-water separator is used for separating water and impurity oil in the mixed oil, and the required finished oil is left, wherein the oil inlet end of the oil-water separator is connected with a finished oil interface of the mixed oil tank through a pipeline, the top of the oil-water separator is provided with the finished oil interface, and the finished oil interface is connected with the finished oil tank through a pipeline;
the sleeve condenser is connected with a noncondensable gas discharge interface at the top of the absorption tower through a pipeline, and a water cooling device is arranged in the sleeve condenser;
the gas tank is used for containing non-condensable gas, a third water-cooling temperature-reducing device is arranged in the gas tank, and an air outlet port is arranged at the top of the gas tank;
the water seal is internally provided with water, the tank body of the water seal is connected with the gas tank through a gas pipe, the gas pipe arranged in the water seal is required to be arranged below the surface of the water, the top of the water seal is provided with a gas outlet port, and the side wall of the water seal is connected with a water inlet pipe and a water outlet pipe;
the burner is connected with the air outlet port of the water seal through an air pipe.
Further, the first water cooling device is a coiled pipe, the lower end of the first water cooling device is connected with the water inlet pipe, the upper end of the first water cooling device is connected with the water outlet pipe, water is filled in the coiled pipe and used for heat exchange with the mixed oil, so that the mixed oil is cooled.
Furthermore, the outer side wall of the base is provided with an emptying port, and the emptying port is connected with an emptying pipe which is used for emptying the mixed oil, so that the overhaul is convenient;
the base lateral wall still is provided with first manhole, first manhole is closed when not using, and it is used for overhauling the base inside.
Further, a small hole is formed in the bottom of the turning part of the bent pipe.
Further, a flame arrester is arranged on the flue gas inlet pipe.
Further, the outer side wall of the gas tank is provided with a second overhaul hole.
Further, a valve is arranged on an oil pipe between the oil-water separator and the mixing oil tank;
a valve is arranged on the oil inlet pipe of the mixing oil tank;
a valve is arranged in an oil outlet pipeline at the top of the condenser;
a valve is arranged in a pipeline between the solvent oil tank and the condenser;
valves are arranged on the pipelines between the second oil pump and the divergent nozzle and the pipelines between the third oil pump and the divergent nozzle;
a valve is arranged in an air outlet pipeline of the air tank;
a valve is arranged in the air outlet pipeline of the water seal, a second flame arrester and a second check valve are arranged between the valve and the burner, and the second check valve is connected with the burner through a pipeline.
The extraction method of the regenerated oil product of the equipment comprises the following steps:
step one, the flue gas contains carbon oxides, the carbon oxides at least contain oil, water vapor and noncondensable gas components, high-temperature flue gas enters a pipeline through a flue gas inlet pipe and is guided into an absorption tower through a flame arrester from a bent pipe, and the high-temperature flue gas moves upwards and passes through 2 solid-phase fillers;
the solid-phase filler filters the flue gas through solvent oil and filler, so that the oil and solvent oil of the oil smoke are dissolved and separated from the non-condensable gas, and the non-condensable gas continues to move upwards;
step two, a valve on an oil pipe of a third water suction pump is opened, the third oil pump pumps solvent oil to a divergent nozzle, the divergent nozzle sprays the solvent oil, so that the solvent oil is fully contacted with rising smoke, porcelain rings are arranged in a solid-phase filler, a large number of porcelain rings are stacked in a container of the solid-phase filler, the solvent oil is sprayed out from the divergent nozzle, the initial solvent oil is 100% single oil, when the solvent oil continuously returns oil, the solvent oil is mixed with oil in the smoke, then pumped back to the solvent oil tank, after the solvent oil is diluted to a certain degree, the new solvent oil is replaced, the solvent oil cools the oil in the smoke, so that the oil in the smoke forms liquid, is mixed with the solvent oil, falls downwards along the porcelain rings, and finally falls into a bottom containing cavity; the vapor flows into the base accommodating cavity through 2 solid phase filling liquefaction, and the non-condensable gas is cooled through a second water cooling device;
the non-condensable gas is further cooled through a sleeve condenser and is led into a gas tank through a gas pipe, a third water-cooling device in the gas tank is used for cooling the non-condensable gas again, the cooled non-condensable gas is led into a water seal through the gas pipe, the non-condensable gas is led into a water body in the water seal to prevent backfire explosion of the non-condensable gas, the non-condensable gas is led out to a burner through the gas pipe, and heat generated by the burner is used for heating other equipment or preparing other products needing to be heated;
step four, treating an oil-water mixture in the base:
due to the oil density of 0.95-0.98 g/cm in the flue gas 3 The oil-water mixture adopts a density method to dissolve the solvent oil and the oil to change the density, and the produced product solvent oil and the oil are used to change the density, so that the density of the mixed oil is converted into 0.85-0.9g/cm 3 The mixed oil floats on the upper part of the water;
step five, the mixed oil in the step four is pumped to a condenser through a first oil pump, so that the temperature of the mixed oil is reduced, the mixed oil is led into a mixed oil tank through an oil pipe from the top of the condenser, part of the mixed oil is led into a solvent oil tank, and the solvent oil tank is continuously led into a divergent nozzle through a third oil pump for recycling;
step six, the mixed oil is stored in the mixed oil tank, and part of the mixed oil is led into the divergent nozzle through the second oil pump for recycling;
and seventhly, conveying part of mixed oil in the mixed oil tank to an oil-water separator, separating water and impurities in the mixed oil by the oil-water separator, and guiding the separated finished oil into the finished oil tank through an oil pipe.
Compared with the prior art, the invention has the beneficial effects that: the invention discloses a device and a method for extracting regenerated oil from oil smoke in carbonization of organic matters, wherein the method for extracting regenerated oil from oil smoke is characterized in that the density and the oil quality of liquefied mixed oil are changed, so that the mixed oil can float above the water surface, the mixed oil is pumped out by an oil pump, the finished oil is separated by an oil-water separator, the finished oil is finally led into a finished oil tank, noncondensable gas at least comprises methane, ethane gas components, and combustible gas such as methane, ethane and the like is finally used for combustion, and the heat of combustion is used for supplying other devices. The mixed oil from the bottom of the absorption tower can be produced by a constant catalytic cracking continuous regeneration waste oil device.
Drawings
FIG. 1 is a schematic diagram of the connection relation of oil products in oil smoke extraction and regeneration equipment in organic matter carbonization;
FIG. 2 is a schematic view showing the structure of an absorber tower according to the present invention;
fig. 3 is a schematic view of the structure of the gas tank of the present invention.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present invention.
Referring to fig. 1-3, the device for extracting and regenerating oil products from oil smoke in carbonization of organic matters of the present invention comprises:
the absorption tower 5 comprises a base and a flue gas treatment device arranged on the base, wherein a containing cavity is arranged in the base and is communicated with the containing cavity of the flue gas treatment device, a first water-cooling and cooling device 53 is arranged in the containing cavity of the base, a magnetic flap level gauge 54 is arranged on the inner side wall of the base, an oil outlet pipe interface 55 is arranged at the bottom of the outer side wall of the base, and a first oil pump 16 is arranged on a pipeline connected with the oil outlet pipe interface 55; the top of the flue gas treatment device is provided with a non-condensable gas discharge interface, the inner cavity of the flue gas treatment device is provided with a second water-cooling device 51 and 2 solid-phase fillers 52 with a certain interval from top to bottom, ceramic rings are stacked in the solid-phase fillers, the side wall lower than the next solid-phase filler 52 is provided with a mounting hole, the mounting hole is provided with an elbow 58, the elbow 58 is upwards arranged at the opening of the inner cavity of the flue gas treatment device, the outer interface of the elbow is connected with a flue gas inlet pipe 12, and a plurality of divergent spray heads 50 are arranged between the last solid-phase filler 52 and the second water-cooling device 51;
the solid-phase filler 52 is internally provided with porcelain rings, a large number of porcelain rings are stacked in a container of the solid-phase filler, the solvent oil is sprayed out from the divergent nozzle 50 at the beginning, the initial solvent oil is 100% single oil, when the solvent oil tank 3 continuously returns oil, the solvent oil is mixed with oil in smoke, then the mixed oil is pumped back to the solvent oil tank 3, after the solvent oil is diluted to a certain degree, the solvent oil is diluted to a solvent oil ratio of 20%, the new solvent oil is replaced, the solvent oil can cool the oil in the smoke, the oil in the smoke forms liquid, the mixed oil is mixed with the solvent oil, and the mixed oil falls downwards along the porcelain rings and finally falls into a bottom containing cavity;
the mixing oil tank 2 is used for storing mixed oil, an oil inlet port is arranged at the top of the mixing oil tank 2, an oil outlet port and a finished oil port are arranged at the lower part of the outer wall of the mixing oil tank, the oil outlet port is connected with the divergent nozzle 50 through an oil pipe, and a second oil pump 14 is arranged in a pipeline;
the solvent oil tank 3 is used for storing solvent oil, an oil inlet port is arranged at the top of the solvent oil tank 3, an oil outlet port is arranged at the lower part of the outer wall of the solvent oil tank, the oil outlet port is connected with the divergent nozzle 50 through an oil pipe, and a third oil pump 15 is arranged in a pipeline;
the condenser 4 is water circulation cooling equipment, the top of the condenser 4 is connected with an oil inlet port of the mixing oil tank 2 through an oil pipe, and the bottom of the condenser is respectively connected with the oil inlet ports of the first oil pump 16 and the solvent oil tank 3 through an oil pipe;
the oil-water separator 1 is used for separating water and impurity oil in the mixed oil, and the required finished oil is left, wherein the oil inlet end of the oil-water separator is connected with a finished oil interface of the mixed oil tank 2 through a pipeline, the top of the oil-water separator is provided with the finished oil interface, and the finished oil interface is connected with the finished oil tank 13 through a pipeline;
the sleeve condenser 6 is connected with a non-condensable gas discharge interface at the top of the absorption tower 5 through a pipeline, and a water cooling device is arranged in the sleeve condenser 6;
the gas tank 7 is used for containing non-condensable gas, a third water-cooling and temperature-reducing device 71 is arranged in the gas tank 7, and an air outlet port is arranged at the top of the gas tank;
the water seal 8 is internally provided with water, the tank body of the water seal 8 is connected with the gas tank 7 through a gas pipe, the gas pipe arranged in the water seal 8 is arranged below the water surface, the top of the water seal 8 is provided with a gas outlet port, and the side wall of the water seal 8 is connected with a water inlet pipe and a water outlet pipe;
the burner 9 is connected with the air outlet port of the water seal 8 through an air pipe.
The first water cooling device 53 is a coiled pipe, the lower end of the first water cooling device is connected with the water inlet pipe, the upper end of the first water cooling device is connected with the water outlet pipe, water is filled in the coiled pipe and used for heat exchange with the mixed oil, so that the mixed oil is cooled.
The outer side wall of the base is provided with an emptying port 56, and the emptying port 56 is connected with an emptying pipe which is used for emptying the mixed oil, so that the overhaul is convenient;
the base lateral wall still is provided with first manhole 57, first manhole 57 is closed when not using, and it is used for overhauling the base inside.
The bottom of the turning part of the bent pipe 58 is provided with a small hole 59.
And a flame arrester 11 is arranged on the flue gas inlet pipe 12.
The outer side wall of the gas tank 7 is provided with a second manway 72.
A valve is arranged on an oil pipe between the oil-water separator 1 and the mixed oil tank 2;
a valve is arranged on the oil inlet pipe of the mixing oil tank 2;
a valve is arranged in an oil outlet pipeline at the top of the condenser 4;
a valve is arranged in a pipeline between the solvent oil tank 3 and the condenser 4;
valves are arranged on the pipeline between the second oil pump 14 and the divergent nozzle 50 and the pipeline between the third oil pump 15 and the divergent nozzle 50;
a valve is arranged in an air outlet pipeline of the air tank 7;
a valve is arranged in an air outlet pipeline of the water seal 8, a second flame arrester 17 and a second check valve 18 are arranged between the valve and the burner 9, and the second check valve 18 is connected with the burner 9 through a pipeline.
The invention relates to a method for extracting regenerated oil products of equipment, which comprises the following steps:
step one, the flue gas contains carbon oxides, the carbon oxides at least contain oil, water vapor and noncondensable gas components, high-temperature flue gas enters a pipeline through a flue gas inlet pipe 12 (the flue gas temperature of a flue gas inlet of an absorption tower is below 500 ℃), and is guided into the absorption tower 5 from a bent pipe 58 through a flame arrester 11, and the high-temperature flue gas moves upwards and passes through 2 solid-phase fillers 52;
the solid phase filler 52 filters the flue gas through the solvent oil and the filler, so that the oil and the solvent oil of the oil smoke are dissolved and separated from the non-condensable gas, and the non-condensable gas continues to move upwards;
step two, a valve on an oil pipe of a third water suction pump is opened, a third oil pump (15) is started, the third oil pump (15) pumps solvent oil to a divergent nozzle 50, the divergent nozzle 50 sprays the solvent oil to enable the solvent oil to be fully contacted with rising smoke, porcelain rings are arranged in a solid-phase filler 52, a large number of porcelain rings are stacked in a container filled with the solid-phase filler, the solvent oil is sprayed out from the divergent nozzle 50 initially, the initial solvent oil is 100% single oil, when the solvent oil tank 3 continuously returns oil, the solvent oil is mixed with oil in the smoke and then is pumped back to the solvent oil tank 3, after the solvent oil is diluted to a certain degree, the solvent oil is replaced with new solvent oil, the solvent oil cools the oil in the smoke to form liquid, is mixed with the solvent oil, and finally falls down along the porcelain rings to a bottom cavity after being mixed; the vapor is liquefied by the 2 solid phase filler 52 and flows into the base accommodating cavity, and the non-condensable gas is cooled by the second water cooling device 51;
step three, the non-condensable gas is further cooled through the sleeve condenser 6 and is led into the gas tank 7 through a gas pipe, the third water cooling device 71 in the gas tank 7 cools the non-condensable gas again, the cooled non-condensable gas is led into the water seal 8 through the gas pipe, the non-condensable gas is led into the water body in the water seal 8, tempering explosion of the non-condensable gas is prevented, the non-condensable gas is finally led out to the burner 9 through the gas pipe, and the heat generated by the burner 9 is used for heating other equipment or preparing other products needing to be heated;
step four, treating an oil-water mixture in the base:
due to the oil density of 0.95-0.98 g/cm in the flue gas 3 The oil-water mixture adopts a density method to dissolve the solvent oil and the oil to change the density, and the produced product solvent oil and the oil are used to change the density, so that the density of the mixed oil is converted into 0.85-0.9g/cm 3 The mixed oil floats on the upper part of the water;
step five, pumping the mixed oil in the step four to a condenser 4 through a first oil pump 16 to reduce the temperature of the mixed oil, leading the mixed oil into a mixed oil tank 2 through an oil pipe from the top of the condenser 4, leading part of the mixed oil into a solvent oil tank 3, and leading the solvent oil tank 3 into a divergent nozzle 50 continuously through a third oil pump 15 for recycling;
step six, the mixed oil tank 2 stores mixed oil, and part of the mixed oil is led into the divergent nozzle 50 through the second oil pump 14 for recycling;
and step seven, part of the mixed oil in the mixed oil tank 2 is conveyed to the oil-water separator 1, the oil-water separator 1 separates the water content and impurities of the mixed oil, and the separated finished oil is led into the finished oil tank 13 through an oil pipe.
All the cooling devices are connected with the cooling tower through water pipes, so that water recycling is realized.
In the steps, the temperature of the flue gas entering the flue gas inlet pipe 12 is 180-350 ℃, the temperature in the porcelain ring is 50-100 ℃, the oil temperature of the bottom cavity of the absorption tower 5 is below 50 ℃, the temperature in the gas tank 7 is below 50 ℃, and the temperature of the entering water of each water cooling device is normal temperature.
The working principle of the oil extraction and regeneration device for extracting and regenerating oil by using oil fume is as follows:
the carbon oxygen compound is collected as oil product tail oil, moisture and non-condensable gas are separated, the non-condensable gas is purified into combustion gas, and three substances of oil, water and gas are separated.
The processing device is determined by adopting the compatibility and insolubility of oil, water and gas, the density method and the volume change relation of oil, water, gas, vapor phase and liquid phase.
The density of the oil after the new liquefaction of the flue gas is larger than 0.95-0.98 g/cm 3 The density of the oil is changed to 0.85-0.9g/cm by dissolving the solvent oil in the oil to change the density of the oil 3 。
The separated oil raw oil is prepared for refining production, and the produced solvent oil is used as recovery oil.
The noncondensable gas such as methane in the tail gas is insoluble with the oil product, the sprayed oil product from the top of the tower is in mutual balance with the gas such as methane in the filler, and is mutually dissolved and contacted, the oil product in the tail gas is absorbed, and the tail gas is separated and purified for being used as combustion gas.
The absorption tower is internally provided with solid filler, and organic solvent sprayed out by an internal and external reflux method through a nozzle is fully contacted with flue gas on the solid filler, and comprehensive heat exchange balance is carried out, so that gas-liquid exchange and gas-liquid phase dissolution change the gas-state carbon-oxygen compound in the flue gas from gas state to liquid state and dissolve with the solvent sprayed into condensation, the gas-liquid phase carbon-oxygen compound becomes mixed oil to flow into the tower, rising water vapor becomes liquid after double reflux liquid and falls into the tower bottom, rising malodorous gas including acid vapor and toxic gas is decomposed in the tower through contact reaction with catalyst in the reflux liquid, and water vapor and condensed water dissolved in the flue gas fall into the tower bottom.
Light molecules in the flue gas are not dissolved in a solvent in the tower, and are not condensed into liquid through a condenser at the top of the tower, which is called non-condensable gas, if methane ethane and the like enter the non-condensable gas tank through a gas guide pipe, the gas is combusted by a gas burner, and red bricks are heated or are used for other purposes.
The high-temperature flue gas from the carbonization furnace can burn or explode in the air, so that a flame arrester is additionally arranged before the flue gas enters the tower, explosion can be caused by non-condensable gas tempering, equipment deflagration can be caused, water is additionally arranged in front of the burner for sealing, and a fire source is isolated to prevent combustion.
The equipment is suitable for treating high-temperature flue gas, malodorous gas and medium-high concentration oil smoke in the carbonization furnace, has the advantages of low investment, innocent treatment, low running cost, small occupied area and convenient operation, and can be popularized and used in garbage treatment plants approved by environmental protection departments. The mixed oil from the bottom of the absorption tower can be produced by a constant catalytic cracking continuous regeneration waste oil device.
The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes using the descriptions and the drawings of the present invention or directly or indirectly applied to other related technical fields are included in the scope of the invention.
Claims (6)
1. Oil smoke in organic matter carbonization draws regeneration oil equipment, its characterized in that, this equipment includes:
the absorption tower (5), the absorption tower (5) comprises a base and a flue gas treatment device arranged on the base, a containing cavity is arranged in the base and is communicated with the containing cavity of the flue gas treatment device, a first water cooling device (53) is arranged in the containing cavity of the base, a magnetic turning plate liquid level meter (54) is arranged on the inner side wall of the base, an oil outlet pipe interface (55) is arranged at the bottom of the outer side wall of the base, and a first oil pump (16) is arranged on a pipeline connected with the oil outlet pipe interface (55); the top of the flue gas treatment device is provided with a non-condensable gas discharge interface, a second water-cooling device (51) and 2 solid-phase fillers (52) with certain intervals are arranged in the inner cavity of the flue gas treatment device from top to bottom, ceramic rings are stacked in the solid-phase fillers, mounting holes are formed in the side walls lower than the next solid-phase filler (52), bent pipes (58) are arranged on the mounting holes, the bent pipes (58) are upwards arranged in the openings of the inner cavity of the flue gas treatment device, the outer interfaces of the bent pipes are connected with a flue gas inlet pipe (12), and a plurality of divergent spray heads (50) are arranged between the previous solid-phase filler (52) and the second water-cooling device (51);
the oil mixing tank (2) is used for storing mixed oil, an oil inlet port is arranged at the top of the oil mixing tank (2), an oil outlet port and a finished oil port are arranged at the lower part of the outer wall of the oil mixing tank, the oil outlet port is connected with the divergent nozzle (50) through an oil pipe, and a second oil pump (14) is arranged in a pipeline;
the solvent oil tank (3) is used for storing solvent oil, an oil inlet port is arranged at the top of the solvent oil tank (3), an oil outlet port is arranged at the lower part of the outer wall of the solvent oil tank, the oil outlet port is connected with the divergent nozzle (50) through an oil pipe, and a third oil pump (15) is arranged in a pipeline;
the condenser (4) is water circulation cooling equipment, the top of the condenser is connected with an oil inlet port of the mixing oil tank (2) through an oil pipe, and the bottom of the condenser is respectively connected with the oil inlet ports of the first oil pump (16) and the solvent oil tank (3) through an oil pipe;
the oil-water separator (1) is used for separating water and impurity oil in the mixed oil to obtain the required finished oil, the oil inlet end of the oil-water separator is connected with a finished oil interface of the mixed oil tank (2) through a pipeline, the top of the oil-water separator is provided with the finished oil interface, and the finished oil interface is connected with the finished oil tank (13) through a pipeline;
the sleeve condenser (6) is connected with a non-condensable gas discharge interface at the top of the absorption tower (5) through a pipeline, and a water cooling device is arranged in the sleeve condenser (6);
the gas tank (7) is used for containing non-condensable gas, a third water-cooling device (71) is arranged in the gas tank (7), and an air outlet port is arranged at the top of the gas tank;
the water seal (8) is internally provided with water, the tank body of the water seal (8) is connected with the gas tank (7) through a gas pipe, the gas pipe arranged in the water seal (8) is arranged below the surface of the water, the top of the water seal (8) is provided with a gas outlet interface, and the side wall of the water seal is connected with a water inlet pipe and a water outlet pipe;
the burner (9) is connected with an air outlet port of the water seal (8) through an air pipe;
a flame arrester (11) is arranged on the flue gas inlet pipe (12);
the first water cooling device (53) is a coiled pipe, the lower end of the first water cooling device is connected with the water inlet pipe, the upper end of the first water cooling device is connected with the water outlet pipe, water is filled in the coiled pipe and used for heat exchange with the mixed oil, so that the mixed oil is cooled.
2. The oil smoke extraction and regeneration equipment for organic carbonization of claim 1, wherein: the outer side wall of the base is provided with an emptying connector (56), the emptying connector (56) is connected with an emptying pipe, and the emptying pipe is used for emptying the mixed oil, so that the overhaul is convenient;
the base lateral wall still is provided with first manhole (57), first manhole (57) are closed when not using, and it is used for overhauling the base inside.
3. The oil smoke extraction and regeneration equipment for organic carbonization of claim 1, wherein: and a small hole (59) is formed in the bottom of the turning part of the bent pipe (58).
4. The oil smoke extraction and regeneration equipment for organic carbonization of claim 1, wherein: the outer side wall of the gas tank (7) is provided with a second overhaul hole (72).
5. The oil smoke extraction and regeneration equipment for organic carbonization of claim 1, wherein:
a valve is arranged on an oil pipe between the oil-water separator (1) and the mixing oil tank (2);
a valve is arranged on the oil inlet pipe of the mixing oil tank (2);
a valve is arranged in an oil outlet pipeline at the top of the condenser (4);
a valve is arranged in a pipeline between the solvent oil tank (3) and the condenser (4);
valves are arranged on the pipeline between the second oil pump (14) and the divergent nozzle (50) and the pipeline between the third oil pump (15) and the divergent nozzle (50);
a valve is arranged in an air outlet pipeline of the air tank (7); a valve is arranged in an air outlet pipeline of the water seal (8), a second flame arrester (17) and a second check valve (18) are arranged between the valve and the burner (9), and the second check valve (18) is connected with the burner (9) through a pipeline.
6. A method for extracting a regenerated oil product using the apparatus according to any one of claims 1 to 5, characterized in that the extraction method comprises the steps of:
step one, the flue gas contains carbon oxides, the carbon oxides at least contain oil, water vapor and noncondensable gas components, high-temperature flue gas enters a pipeline through a flue gas inlet pipe (12) and is guided into an absorption tower (5) from a bent pipe (58) through a flame arrester (11), and the high-temperature flue gas moves upwards and passes through 2 solid-phase fillers (52);
the solid-phase filler (52) filters the flue gas through the solvent oil and the filler, so that the oil and the solvent oil of the oil smoke are dissolved and separated from the non-condensable gas, and the non-condensable gas continues to move upwards;
step two, a valve on an oil pipe of a third water suction pump is opened, a third oil pump (15) is started, the third oil pump (15) pumps solvent oil to a divergent nozzle (50), the divergent nozzle (50) sprays the solvent oil to enable the solvent oil to fully contact with rising smoke, a ceramic ring is arranged in a solid-phase filler (52), a large number of ceramic rings are stacked in a container of the solid-phase filler, the solvent oil is sprayed out from the divergent nozzle (50) initially, the initial solvent oil is 100% single oil, when the solvent oil tank (3) continuously returns oil, the solvent oil is mixed with oil in the smoke, and then is pumped back to the solvent oil tank (3), after the solvent oil is diluted to a certain degree, the solvent oil is replaced with new solvent oil, the solvent oil cools the oil in the smoke to enable the oil in the smoke to form liquid, the liquid is mixed with the solvent oil, and then drops downwards along the ceramic ring after the mixing, and finally drops in a bottom containing cavity; the vapor flows into the base accommodating cavity through 2 solid phase filling materials (52) in a liquefying way, and the non-condensable gas is cooled through a second water cooling device (51);
step three, the non-condensable gas is further cooled through a sleeve condenser (6) and is led into a gas tank (7) through a gas pipe, a third water-cooling device (71) in the gas tank (7) is used for cooling the non-condensable gas again, the cooled non-condensable gas is led into a water seal (8) through the gas pipe, the non-condensable gas is led into a water body in the water seal (8) to prevent tempering explosion of the non-condensable gas, and finally the non-condensable gas is led out to a burner (9) through the gas pipe, and the heat emitted by the burner (9) is used for heating other equipment or preparing other products needing heating;
step four, treating an oil-water mixture in the base:
due to the oil density of 0.95-0.98 g/cm in the flue gas 3 The oil-water mixture adopts a density method to dissolve the solvent oil and the oil to change the density, and the produced product solvent oil and the oil are used to change the density, so that the density of the mixed oil is converted into 0.85-0.9g/cm 3 The mixed oil floats on the upper part of the water;
step five, pumping the mixed oil in the step four to a condenser (4) through a first oil pump (16), reducing the temperature of the mixed oil, leading the mixed oil into a mixed oil tank (2) from the top of the condenser (4) through an oil pipe, leading part of the mixed oil into a solvent oil tank (3), and leading the solvent oil tank (3) into a divergent nozzle (50) continuously through a third oil pump (15) for recycling;
step six, the mixed oil is stored in the mixed oil tank (2), and part of the mixed oil is led into the divergent nozzle (50) through the second oil pump (14) for recycling;
and seventhly, conveying part of mixed oil in the mixed oil tank (2) to the oil-water separator (1), separating water and impurities in the mixed oil by the oil-water separator (1), and guiding the separated finished oil into the finished oil tank (13) through an oil pipe.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE102012107333A1 (en) * | 2012-08-09 | 2014-02-13 | Thyssenkrupp Uhde Gmbh | Process for the regeneration of a scrubbing liquid enriched with aromatic hydrocarbons and a regeneration arrangement intended for gas scrubbing |
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| EP0068034A1 (en) * | 1981-06-26 | 1983-01-05 | Bethlehem Steel Corporation | Removal of naphthalene from recirculated wash oil |
| EP0077519A1 (en) * | 1981-10-16 | 1983-04-27 | COMPAGNIE GENERALE D'AUTOMATISME C.G.A. ALCATEL, Société anonyme dite: | Apparatus for regaining hydrocarbons |
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