CN105056695A - Furfural gas and residue separation and recovery device and recovery method - Google Patents
Furfural gas and residue separation and recovery device and recovery method Download PDFInfo
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- CN105056695A CN105056695A CN201510489476.0A CN201510489476A CN105056695A CN 105056695 A CN105056695 A CN 105056695A CN 201510489476 A CN201510489476 A CN 201510489476A CN 105056695 A CN105056695 A CN 105056695A
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Abstract
The invention provides a furfural gas and residue separation and recovery device and recovery method. The furfural gas and residue separation and recovery device comprises a gas and residue separator, a first condenser, a liquid storage tank and a hydraulic ejector, wherein the gas and residue separator is provided with a feeding port for feeding furfural residues as well as a first outlet for waste gas and a second outlet for waste residues after centrifugal separation; the first condenser is provided with a first cooling medium flow channel and a first heating medium flow channel, and an inlet of the first heating medium flow channel is communicated with the first outlet; the liquid storage tank is communicated with one outlet of the first heating medium flow channel and used for storing a first condensate; the hydraulic ejector is provided with a water inlet, a gas inlet and a water outlet, the water inlet and the water outlet are communicated with the liquid storage tank, and the gas inlet is communicated with the other outlet of the first heating medium flow channel. The furfural gas and residue separation and recovery device is simple in structure and convenient to operate, separates and recycles furfural gas and residues, protects the environment and turns waste into wealth.
Description
Technical field
The invention belongs to furfural production technical field, particularly relate to a kind of furfural vapour slag separating and reclaiming device and recovery method thereof.
Background technology
At present, in China's furfural production process, most enterprise is discharged in slag canopy in the lump by the waste gas of furfural dregs and furfural and acetic acid, and waste gas is drained in air by skylight or exhaust outlet.Although minority enterprise have employed gas slag separation facilities or device, but often isolated waste gas is discharged sky, do not recycle, severe contamination is caused to air, this is because: containing part furfural and acetic acid in waste gas, exhaust gas diffusion is in air, and the smell is awful, serious pollution is caused to enterprise's surrounding enviroment, brings very large impact to resident living; Waste gas directly discharges, and causes Workshop Production environment poor, can damage employee healthy, cannot reach the requirement of cleaner production; Furfural in waste gas can not be recycled, and causes the waste of the resources of production and the raising of cost;
China's furfural output accounts for 70% of world wide production, but furfural vapour slag separating technology also rests on the level of the sixties in last century, has larger gap compared with developed countries.Along with the development of furfural enterprise, the technological level of furfural production also must promote further, and for realizing the new demand of Environmental protection, the new road toward industrialization of scientific and technological environmental protection should be walked by furfural production enterprise.
Summary of the invention
An object of the present invention is to provide a kind of furfural vapour slag separating and reclaiming device and recovery method thereof.After furfural production hydrolysis, furfural vapour slag enters gas pulp separator, waste gas is separated fully with waste residue, waste residue is back to boiler and burns, part waste gas is collected by reservoir after being condensed into the first condensate liquid after the first condenser, another part waste gas is collected by reservoir after forming the 3rd condensate liquid after hydraulic ejector, what adopt in hydraulic ejector is the liquid collected in reservoir, do not increase new water in addition in system, reduce the load of follow-up devil liquor recovery.The present invention has fully demonstrated the overall process of " system is airtight, negative pressure is run, be efficiently separated, waste gas prohibits row, furfural reclaims ".
A further object of the invention has installed filter screen in the first exit, can prevent waste gas from taking part waste residue out of, installed anti-block apparatus in gas pulp separator simultaneously, can effectively prevent furfural dregs from blocking filter screen.
A kind of furfural vapour slag separating and reclaiming device, comprising:
Gas pulp separator, it has the charging aperture of access furfural vapour slag, and the first outlet of waste gas after centrifugation and the second outlet of waste residue;
First condenser, it has the first cold media flow channel and the first heat medium flow channel, the entrance of described first heat medium flow channel and described first exports UNICOM, described first heat medium flow channel has two outlets, separated by Heat Conduction Material between described first heat medium flow channel and described first cold media flow channel, so that the heat of waste gas is passed to the first cold medium, flowed out by an outlet of described first heat medium flow channel after making a part of waste gas in described first heat medium flow channel be liquefied as the first condensate liquid;
Reservoir, one of itself and described first heat medium flow channel exports UNICOM, for storing described first condensate liquid;
Hydraulic ejector, it has a water inlet and an air intake, and a delivery port, described water inlet and described delivery port all with described reservoir UNICOM, another of described air intake and described first heat medium flow channel exports UNICOM.
Preferably, in described furfural vapour slag separating and reclaiming device, also comprise:
Second condenser, it has the second cold media flow channel and the second heat medium flow channel, the entrance of described second heat medium flow channel and described reservoir UNICOM, the outlet of described second heat medium flow channel and described water inlet UNICOM, separated by Heat Conduction Material between described second cold media flow channel and described second heat medium flow channel, so that the heat of the second thermal medium is passed to the second cold medium.
Preferably, in described furfural vapour slag separating and reclaiming device, also comprise:
Star-like unloader, itself and described second export UNICOM;
Conveyer, it is arranged on the bottom of the slag-drip opening of described Star-like unloader.
Preferably, in described furfural vapour slag separating and reclaiming device, also comprise:
3rd condenser, it has the 3rd cold media flow channel and the 3rd heat medium flow channel, the entrance of described 3rd heat medium flow channel and described reservoir UNICOM, separated by Heat Conduction Material between described 3rd cold media flow channel and described 3rd heat medium flow channel, so that the heat of the 3rd thermal medium is passed to the 3rd cold medium;
Filter, the entrance of described filter and the outlet UNICOM of described 3rd heat medium flow channel;
Water pump, the entrance of described water pump and described reservoir UNICOM, the entrance of described water delivery side of pump and described second heat medium flow channel and the entrance UNICOM of described 3rd heat medium flow channel.
Preferably, in described furfural vapour slag separating and reclaiming device, also comprise:
Filter screen, it is arranged on described first exit;
Anti-block apparatus, it is arranged in described gas pulp separator, described anti-block apparatus comprises a supporting surface, described supporting surface is arranged at intervals with the cylindrical protrusions relative with the mesh of described filter screen, the diameter of described cylindrical protrusions is less than the aperture of the mesh of described filter screen, by described supporting surface with describedly convex to form described anti-block apparatus;
Motor, it is connected with described anti-block apparatus, moves back and forth along the direction perpendicular to described filter screen for driving described anti-block apparatus.
Preferably, in described furfural vapour slag separating and reclaiming device, described gas pulp separator is cyclone separator or whizzer.
A kind of furfural vapour slag separation and recovery method, comprises the following steps:
Step one, by furfural vapour slag by after gas pulp separator, obtain waste gas and waste residue;
Step 2, by waste gas by after the first heat medium flow channel in the first condenser, flow in reservoir after a part of waste gas in first heat medium flow channel is liquefied as the first condensate liquid, another part waste gas in first heat medium flow channel enters in hydraulic ejector, contact with the second condensate liquid entered from reservoir in hydraulic ejector, flow in reservoir after forming the 3rd condensate liquid.
Preferably, in described a kind of furfural vapour slag separation and recovery method, after obtaining described waste residue in described step one, also comprise:
By described waste residue by transferring to conveyer after Star-like unloader, and be delivered to boiler by conveyer.
Preferably, in described a kind of furfural vapour slag separation and recovery method, another part waste gas in the first heat medium flow channel described in described step 2 also comprises before contacting with described second condensate liquid:
By described second condensate liquid by lowering the temperature after the second heat medium flow channel in the second condenser.
Preferably, described a kind of furfural vapour slag separation and recovery method, also comprises:
By described second condensate liquid by the 3rd heat medium flow channel in the 3rd condenser, carry out filtering and collecting filter liquid by filter.
The present invention at least comprises following beneficial effect:
1, the present invention is to air not discharge of noxious gases, by the enterprise of annual output 10000 tons of furfurals, can reduce by 300,000,000 m every year
3waste gas discharged to air, wherein emissions reduction acetic acid 120t; Whole nation furfural industry adopts this technique can reduce by 15,000,000,000 m every year
3toxic emission, wherein emissions reduction acetic acid 6000t; Thoroughly solve because directly discharging furfural dregs pollution on the environment.
2, part furfural is contained in the waste gas that the present invention reclaims, by the enterprise of annual output 10000 tons of furfurals, annual 150 tons, recyclable furfural.Whole nation furfural industry adopts annual 7500 tons, the recyclable furfural of this technique, and be equivalent to the furfural enterprise that is produced per year 7500 tons, the economic benefit realized therefrom is considerable.
3, present device quantity is few, and volume is little, and cost of equipment is low, has the fund running recovery furfural dregs half a year enough to buy the armamentarium of this technique.
4, the present invention reaches waste gas and is separated with the efficient of waste residue, without waste residue in waste gas.
5, furfural dregs of the present invention is concentrated even disposing to belt conveyor to be sent to boiler and is made fuel, does not need to be equipped with forklift and collects and muck haulage, save forklift investment, oil plant and labour cost.
6, present invention improves plant personnel production operation environmental condition, reach the requirement of cleaner production.
7, the present invention is easy and simple to handle, saves manpower, is also conducive to safety in production.
8, the newly-built enterprise of the present invention does not need to build deslagging room, greatly reduces construction investment.
9, the present invention has installed filter screen in the first exit, can prevent waste gas from taking part waste residue out of, has installed anti-block apparatus in gas pulp separator simultaneously, can effectively prevent furfural dregs from blocking filter screen.
Accompanying drawing explanation
Fig. 1 is the structural representation of furfural vapour slag separating and reclaiming device of the present invention;
The structural representation of Fig. 2 position anti-block apparatus of the present invention;
Fig. 3 is the top view of preventing clogging up device of the present invention.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, can implement according to this with reference to description word to make those skilled in the art.
As Figure 1-3, the invention provides a kind of furfural vapour slag separating and reclaiming device, comprising:
Gas pulp separator 1, it has the charging aperture 2 of access furfural vapour slag, and the first outlet 3 of waste gas after centrifugation and the second outlet 4 of waste residue; Adopt gas pulp separator waste residue can be separated with waste gas, waste gas is discharged from the first outlet 3, and waste residue is discharged by the second outlet 4;
First condenser 5, it has the first cold media flow channel and the first heat medium flow channel, the entrance of described first heat medium flow channel and described first exports UNICOM, described first heat medium flow channel has two outlets, separated by Heat Conduction Material between described first heat medium flow channel and described first cold media flow channel, so that the heat of waste gas is passed to the first cold medium, flowed out by an outlet of described first heat medium flow channel after making a part of waste gas in described first heat medium flow channel be liquefied as the first condensate liquid; A part of waste gas can be liquefied as the first condensate liquid by the first condenser.
Reservoir 6, one of itself and described first heat medium flow channel exports UNICOM, for storing described first condensate liquid;
Hydraulic ejector 7, it has water inlet 8 and an air intake 9, and a delivery port 10, described water inlet 8 and described delivery port 10 all with described reservoir UNICOM, another of described air intake 9 and described first heat medium flow channel exports UNICOM.Hydraulic ejector is a kind of mechanical device with three kinds of available energies such as vacuum, condensation, drainings.It utilizes the current of certain pressure to be sprayed by the nozzle of the certain skew back degree of symmetrical uniform one-tenth.Be aggregated in a focus, because injection water flow velocity is higher, so form negative pressure around to make the indoor generation vacuum of device, another part waste gas in first heat medium flow channel can be drawn in hydraulic ejector by the negative pressure formed, another part waste gas in first heat medium flow channel can contact with the second condensate liquid entering hydraulic ejector from reservoir, after both carry out heat exchange, another part waste gas in first heat medium flow channel becomes liquid state, the current phase mutual friction owing to spraying with ultrahigh speed of a small amount of waste gas be not condensed and incoagulable waste gas, mixing and extruding, be excluded by diffuser pipe, make the vacuum that the indoor formation of device is higher, be conducive to the waste gas in absorption first heat medium flow channel.
In described furfural vapour slag separating and reclaiming device, it is characterized in that, also comprise:
Second condenser 11, it has the second cold media flow channel and the second heat medium flow channel, the entrance of described second heat medium flow channel and described reservoir UNICOM, the outlet of described second heat medium flow channel and described water inlet 8 UNICOM, separated by Heat Conduction Material between described second cold media flow channel and described second heat medium flow channel, so that the heat of the second thermal medium is passed to the second cold medium.Waste liquid in reservoir is lowered the temperature after entering into the second condenser further, then enters in hydraulic ejector, is conducive to the waste gas condensation entered in hydraulic ejector.
In described furfural vapour slag separating and reclaiming device, also comprise:
Star-like unloader 12, itself and described second export 4 UNICOMs; Star-like unloader relies on the impeller rotated to play a part convey materials, can be even, makes waste residue fall on transporter continuously, is responsible for again the effect of sealing simultaneously, prevents from sucking air from slag-drip opening in process of pneumatic transmission.
Conveyer 13, it is arranged on the bottom of the slag-drip opening of described Star-like unloader 12.
In described furfural vapour slag separating and reclaiming device, also comprise:
3rd condenser 14, it has the 3rd cold media flow channel and the 3rd heat medium flow channel, the entrance of described 3rd heat medium flow channel and described reservoir UNICOM, separated by Heat Conduction Material between described 3rd cold media flow channel and described 3rd heat medium flow channel, so that the heat of the 3rd thermal medium is passed to the 3rd cold medium; The liquid exported in reservoir can be carried out further condensation by the 3rd condenser.
Filter 15, the entrance of described filter and the outlet UNICOM of described 3rd heat medium flow channel; Waste residue after filter can filter and be condensed in liquid, plays the effect of purification.
Water pump 16, the entrance of described water pump and described reservoir UNICOM, the entrance of described water delivery side of pump and described second heat medium flow channel and the entrance UNICOM of described 3rd heat medium flow channel.
In described furfural vapour slag separating and reclaiming device, also comprise:
Filter screen, it is arranged on described first exit; Filter screen is set in the first exit, can prevents waste gas from carrying part waste residue.
Anti-block apparatus 19, it is arranged in described gas pulp separator 1, described anti-block apparatus 19 comprises a supporting surface 21, described supporting surface 21 is arranged at intervals with the cylindrical protrusions 20 relative with the mesh of described filter screen, the diameter of described cylindrical protrusions 20 is less than the aperture of the mesh of described filter screen, forms described anti-block apparatus 19 by described supporting surface 21 and described protruding 20; Anti-block apparatus is provided with the cylindrical protrusions 20 relative with mesh, under the drive of motor, cylindrical protrusions 20 can constantly be passed and extract mesh out, and waste gas can be made to pass through, and the waste residue removing that also can be blocked in mesh, prevents filter net jam.
Motor, it is connected with described anti-block apparatus, moves back and forth along the direction perpendicular to described filter screen for driving described anti-block apparatus.
In described furfural vapour slag separating and reclaiming device, described gas pulp separator 1 is cyclone separator or whizzer.
A kind of furfural vapour slag separation and recovery method, comprises the following steps:
Step one, by furfural vapour slag by after gas pulp separator 1, obtain waste gas and waste residue;
Step 2, by waste gas by after the first heat medium flow channel in the first condenser 5, flow into after a part of waste gas in first heat medium flow channel is liquefied as the first condensate liquid in reservoir 6, another part waste gas in first heat medium flow channel enters in hydraulic ejector 7, with the second condensate liquid entered in hydraulic ejector contacts from reservoir 6, form the 3rd condensate liquid and flow in reservoir 6.Second condensate liquid is the liquid flowing into hydraulic ejector in reservoir.3rd condensate liquid is the liquid flowed out from delivery port 10.
In described a kind of furfural vapour slag separation and recovery method, after obtaining described waste residue in described step one,
Also comprise: by described waste residue by transferring to conveyer 13 after Star-like unloader, and be delivered to boiler by conveyer 13.
In described a kind of furfural vapour slag separation and recovery method, another part waste gas in the first heat medium flow channel described in described step 2 also comprises before contacting with described second condensate liquid:
By described second condensate liquid by lowering the temperature after the second heat medium flow channel in the second condenser 11.
Described a kind of furfural vapour slag separation and recovery method, is characterized in that, also comprise:
By described second condensate liquid by the 3rd heat medium flow channel in the 3rd condenser 14, carry out filtering and collecting filter liquid by filter.
Hydraulic ejector is also provided with access hole 16, and the two ends of filter are also connected with the first valve 17 and the second valve 18 respectively.
First cold medium of the present invention, the second cold medium and the 3rd cold medium can be cold water, cold air, according to the type using needs and condenser, also can be the media that other temperature are lower.First cold media flow channel of the present invention, the second cold media flow channel and the 3rd cold media flow channel are the passage circulated for the first cold medium, the second cold medium and the 3rd cold medium respectively.Described first heat medium flow channel is the circulation passage of waste gas, and described second heat medium flow channel and described 3rd heat medium flow channel are the circulation passages of the second condensate liquid.
Although embodiment of the present invention are open as above, it is not restricted to listed in description and embodiment utilization.It can be applied to various applicable the field of the invention completely.For those skilled in the art, can easily realize other amendment.Therefore do not deviating under the universal that claim and equivalency range limit, the present invention is not limited to specific details and illustrates here and the legend described.
Claims (10)
1. a furfural vapour slag separating and reclaiming device, is characterized in that, comprising:
Gas pulp separator, it has the charging aperture of access furfural vapour slag, and the first outlet of waste gas after centrifugation and the second outlet of waste residue;
First condenser, it has the first cold media flow channel and the first heat medium flow channel, the entrance of described first heat medium flow channel and described first exports UNICOM, described first heat medium flow channel has two outlets, separated by Heat Conduction Material between described first heat medium flow channel and described first cold media flow channel, so that the heat of waste gas is passed to the first cold medium, flowed out by an outlet of described first heat medium flow channel after making a part of waste gas in described first heat medium flow channel be liquefied as the first condensate liquid;
Reservoir, one of itself and described first heat medium flow channel exports UNICOM, for storing described first condensate liquid;
Hydraulic ejector, it has a water inlet and an air intake, and a delivery port, described water inlet and described delivery port all with described reservoir UNICOM, another of described air intake and described first heat medium flow channel exports UNICOM.
2. furfural vapour slag separating and reclaiming device as claimed in claim 1, is characterized in that, also comprise:
Second condenser, it has the second cold media flow channel and the second heat medium flow channel, the entrance of described second heat medium flow channel and described reservoir UNICOM, the outlet of described second heat medium flow channel and described water inlet UNICOM, separated by Heat Conduction Material between described second cold media flow channel and described second heat medium flow channel, so that the heat of the second thermal medium is passed to the second cold medium.
3. furfural vapour slag separating and reclaiming device as claimed in claim 1, is characterized in that, also comprise:
Star-like unloader, itself and described second export UNICOM;
Conveyer, it is arranged on the bottom of the slag-drip opening of described Star-like unloader.
4. furfural vapour slag separating and reclaiming device as claimed in claim 2, is characterized in that, also comprise:
3rd condenser, it has the 3rd cold media flow channel and the 3rd heat medium flow channel, the entrance of described 3rd heat medium flow channel and described reservoir UNICOM, separated by Heat Conduction Material between described 3rd cold media flow channel and described 3rd heat medium flow channel, so that the heat of the 3rd thermal medium is passed to the 3rd cold medium;
Filter, the entrance of described filter and the outlet UNICOM of described 3rd heat medium flow channel;
Water pump, the entrance of described water pump and described reservoir UNICOM, described water delivery side of pump and described second
The entrance of heat medium flow channel and the entrance UNICOM of described 3rd heat medium flow channel.
5. furfural vapour slag separating and reclaiming device as claimed in claim 1, is characterized in that, also comprise:
Filter screen, it is arranged on described first exit;
Anti-block apparatus, it is arranged in described gas pulp separator, described anti-block apparatus comprises a supporting surface, described supporting surface is arranged at intervals with the cylindrical protrusions relative with the mesh of described filter screen, the diameter of described cylindrical protrusions is less than the aperture of the mesh of described filter screen, by described supporting surface with describedly convex to form described anti-block apparatus;
Motor, it is connected with described anti-block apparatus, moves back and forth along the direction perpendicular to described filter screen for driving described anti-block apparatus.
6. furfural vapour slag separating and reclaiming device as claimed in claim 1, it is characterized in that, described gas pulp separator is cyclone separator or whizzer.
7. a furfural vapour slag separation and recovery method, is characterized in that, comprise the following steps:
Step one, by furfural vapour slag by after gas pulp separator, obtain waste gas and waste residue;
Step 2, by waste gas by after the first heat medium flow channel in the first condenser, flow in reservoir after a part of waste gas in first heat medium flow channel is liquefied as the first condensate liquid, another part waste gas in first heat medium flow channel enters in hydraulic ejector, contact with the second condensate liquid entered from reservoir in hydraulic ejector, flow in reservoir after forming the 3rd condensate liquid.
8. a kind of furfural vapour slag separation and recovery method as claimed in claim 7, is characterized in that, after obtaining described waste residue, also comprise in described step one:
By described waste residue by transferring to conveyer after Star-like unloader, and be delivered to boiler by conveyer.
9. a kind of furfural vapour slag separation and recovery method as claimed in claim 7, it is characterized in that, another part waste gas in the first heat medium flow channel described in described step 2 also comprises before contacting with described second condensate liquid:
By described second condensate liquid by lowering the temperature after the second heat medium flow channel in the second condenser.
10. a kind of furfural vapour slag separation and recovery method as claimed in claim 7, is characterized in that, also comprise:
By described second condensate liquid by the 3rd heat medium flow channel in the 3rd condenser, carry out filtering and collecting filter liquid by filter.
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| CN201510489476.0A CN105056695B (en) | 2015-08-11 | 2015-08-11 | Furfural vapour slag separating and reclaiming device and its recovery method |
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| CN201510489476.0A CN105056695B (en) | 2015-08-11 | 2015-08-11 | Furfural vapour slag separating and reclaiming device and its recovery method |
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| CN105056695A true CN105056695A (en) | 2015-11-18 |
| CN105056695B CN105056695B (en) | 2017-09-26 |
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Cited By (2)
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| CN108854500A (en) * | 2018-08-10 | 2018-11-23 | 河南禾力能源股份有限公司 | A kind of furfural exhaust gas recycling and processing device |
| CN109081821A (en) * | 2018-10-22 | 2018-12-25 | 江阴市大洋固废处置利用有限公司 | A kind of the furfural recyclable device and recovery method of Production of Ceramics condensate liquid |
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| CN108854500A (en) * | 2018-08-10 | 2018-11-23 | 河南禾力能源股份有限公司 | A kind of furfural exhaust gas recycling and processing device |
| CN109081821A (en) * | 2018-10-22 | 2018-12-25 | 江阴市大洋固废处置利用有限公司 | A kind of the furfural recyclable device and recovery method of Production of Ceramics condensate liquid |
| CN109081821B (en) * | 2018-10-22 | 2023-09-15 | 江阴市大洋固废处置利用有限公司 | Furfural recovery device and recovery method for condensate liquid in ceramic production |
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| CN105056695B (en) | 2017-09-26 |
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