CN104117242B - A kind of chip washing sewage and flue gas processing device - Google Patents
A kind of chip washing sewage and flue gas processing device Download PDFInfo
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- CN104117242B CN104117242B CN201410328455.6A CN201410328455A CN104117242B CN 104117242 B CN104117242 B CN 104117242B CN 201410328455 A CN201410328455 A CN 201410328455A CN 104117242 B CN104117242 B CN 104117242B
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Abstract
The invention provides a kind of chip washing sewage and flue gas processing device, comprise a chip washer, one feeder, at least one dry cyclone separator, one chimney, one air-introduced machine, one first detention tank and one second detention tank, one first spraying mechanism and one second spraying mechanism is provided with in chimney, the bottom of chimney is provided with a sewage dashpot, first detention tank is connected by a slag removal unit with the delivery port of sewage dashpot, second detention tank is communicated with the first detention tank, second detention tank is connected with the water inlet of chip washer by a main pipeline, main pipeline is provided with a water circulating pump, second spraying mechanism is connected with main pipeline by one second branch pipe(tube), second branch pipe(tube) is between water circulating pump and chip washer.The present invention can not only process the tail gas that dry cyclone separator produces, and the sewage simultaneously achieved washing wood chip produces recycles, thus avoids the waste of water resource.
Description
[technical field]
The present invention relates to a kind of apparatus of medium density fibre board (MDF) manufacture field, particularly relate to a kind of chip washing sewage and flue gas processing device.
[background technology]
Medium density fibre board (MDF) industry is comprehensive utilization of resources industry, is again Resource Dependence type industry, or the industry that energy resource consumption is relatively high.Medium density fibre board (MDF) density is 650-800 kilogram/cubic metre, high-density plate density >=880 kilogram/cubic metre, low density fiberboard density is 450-650 kilogram/cubic metre, and it is mainly used in building interior finishing, floor base material, Furniture manufacture, car and boat finishing, Household electric appliance casing manufacture and carves various technique reliefs etc.
Medium density fibre board (MDF) is for primary raw material with artificial fast-growing small dimension wood, brush wood, logging residue and industrial wood waste, adopt the sheet material that dry method or wet process technique are produced, this production technology comprises following workshop section: preparation workshop section, fiber prepare workshop section, matforming and hot pressing section and finished product processing workshop section; Wherein, prepare workshop section and comprise the operation compositions such as raw material is stored up, chips, screened, Chip treatment; Fiber is prepared workshop section and is comprised the operations such as defibrator process, impregnation, applying glue, drying.
At present, Chip treatment operation comprises cleaning and warm-up operation usually, and cleaning is mainly divided into washing and wind to wash two kinds, the advantage of washing is cleaning wood chip that can be cleaner, make the wood chip moisture content relatively uniformity after cleaning, be conducive to subsequent production and control, product quality is better simultaneously; When cleaning is selected during washing and can be produced a large amount of washing sewage, not only contaminated environment but also cause water resource waste.
In addition, the drying that workshop section prepared by the fiber of fibreboard production line adopts one-level to dodge anxious formula drying machine usually, comprises drying air fan, drying duct, expansion joint, safety anti-explosive dish, discharging revolving valve, a 1-2 dry cyclone separator means.Dodging anxious formula drying machine major function is exactly the wet wood-fibred executing upper glue (85%-90% moisture content) flash baking is only had the dry fiber of 8 &-15% to moisture content, is beneficial to follow-up matforming and hot pressing section of mating formation and uses; Wherein dry cyclone separator offgas outlet temperature is 50 DEG C-75 DEG C, exhaust particulate thing concentration of emission 50mg-175mg/m
3, formaldehyde emissions concentration 5mg-15mg/m
3, Yan channel black Du≤1, Han Shui Shuais≤0.1kg/m
3, and air quantity is comparatively large, reaches 100,000-70 ten thousand Nm
3/ h, pressure is about 3500-5000Pa, and wind speed is at 8 meter per second-25 meter per seconds; And the tail gas that present stage produces at the dry cyclone separator of fiberboard industry is all fall directly to airborne release, thus the air in environment is polluted.
[summary of the invention]
Technical problem to be solved by this invention is to provide a kind of chip washing sewage and flue gas processing device, the tail gas that dry cyclone separator produces can not only be processed, and the sewage achieved washing wood chip produces recycles simultaneously, thus avoid the waste of water resource.
The present invention solves the problems of the technologies described above by the following technical programs: a kind of chip washing sewage and flue gas processing device, comprise a chip washer, for collecting the feeder of washing sewage, the outlet of sewer of described chip washer is communicated with the water inlet of feeder, the delivery port of described feeder is connected a drainage sieve, and this drainage sieve below is provided with a drip pan, this treating apparatus also comprises at least one dry cyclone separator, one chimney being provided with an air inlet, one air-introduced machine, one first detention tank and one second detention tank, described air-introduced machine is connected with the exhaust outlet of dry cyclone separator by an induced duct, this air-introduced machine is connected with the air inlet of chimney by a discharge pipe, the second spraying mechanism of first spraying mechanism sprayed and a upward spraying is provided with downwards in described chimney, and the bottom of this chimney is provided with a sewage dashpot, described sewage dashpot is positioned at the below of air inlet, described first spraying mechanism is positioned at the top of chimney, described second spraying mechanism is between the first spraying mechanism and air inlet, described first spraying mechanism is connected by one first branch pipe(tube) with drip pan, described first detention tank is connected by a slag removal unit with the delivery port of sewage dashpot, described second detention tank is communicated with the first detention tank, described second detention tank is connected with the water inlet of chip washer by a main pipeline, described main pipeline is provided with a water circulating pump, described second spraying mechanism is connected with main pipeline by one second branch pipe(tube), described second branch pipe(tube) is between water circulating pump and chip washer, and described first branch pipe(tube) and the second branch pipe(tube) are equipped with a valve.
Further, described slag removal unit comprises a mesh screen conveyer, a clay extruded mechanism, a waste residue collecting box and a splash-guard ring, mesh screen conveyer is positioned at directly over the first detention tank, this mesh screen conveyer is connected with the delivery port of sewage dashpot by an aqueduct, described splash-guard ring is located between mesh screen conveyer and sewage dashpot, the end of described aqueduct extends in splash-guard ring, described clay extruded mechanism is installed in splash-guard ring, and waste residue collecting box is installed on below the outlet ends of mesh screen conveyer.
Be provided with one the 3rd spraying mechanism and one the 4th spraying mechanism of spray all downwards in described discharge pipe, described 3rd spraying mechanism establishes valvular 3rd branch pipe(tube) to be connected with drip pan on one, and described 4th spraying mechanism is connected with the first branch pipe(tube); And described discharge pipe is obliquely installed, the angle of inclination of this discharge pipe is α, 0 ° of < α < 90 °.
Further, described second detention tank is communicated with by a connected entrance with the first detention tank.
Further, in described first detention tank, be provided with one first dredge pump, and this first dredge pump is connected with one first slag remover.
Further, in described second detention tank, be provided with one second dredge pump, and this second dredge pump is connected with one second slag remover.
Further, described first slag remover is vertical slag remover.
Further, described second slag remover is horizontal slag remover.
Further, the delivery port of described sewage dashpot is positioned at the bottom of this sewage dashpot.
The beneficial effect of the present invention's a kind of chip washing sewage and flue gas processing device is: by the structural design of whole device, while the tail gas that can produce at the dry cyclone separator of process, the sewage also achieved washing wood chip produces recycles, thus avoid the waste of water resource, in addition, this device also has compact conformation, takes up an area less feature.
[accompanying drawing explanation]
The invention will be further described in conjunction with the embodiments with reference to the accompanying drawings.
Fig. 1 is the schematic diagram of a kind of chip washing sewage of the present invention and flue gas processing device.
[detailed description of the invention]
Refer to Fig. 1, a kind of chip washing sewage of the present invention and flue gas processing device, comprise a chip washer 1, for collecting the feeder 2 of washing sewage, chimney 4 (in order to discharge the tail gas that dry cyclone separator 3 produces), air-introduced machine 5,1 first detention tank 61 and one second detention tank 62 that at least one dry cyclone separator 3, is provided with an air inlet 41;
The outlet of sewer 11 of described chip washer 1 is communicated with the water inlet 21 of feeder 2, and the delivery port 22 of described feeder 2 is connected a drainage sieve 23, and is provided with a drip pan 24 below this drainage sieve 23, described air-introduced machine 5 is connected by the exhaust outlet 31 of an induced duct 51 with dry cyclone separator 3, this air-introduced machine 5 is connected with the air inlet 401 of chimney 4 by a discharge pipe 52, the second spraying mechanism 42 of first spraying mechanism 41 sprayed and a upward spraying is provided with downwards in described chimney 4, and the bottom of this chimney 4 is provided with a sewage dashpot 43, described sewage dashpot 43 is positioned at the below of air inlet 401, described first spraying mechanism 41 is positioned at the top of chimney 4, described second spraying mechanism 42 is between the first spraying mechanism 41 and air inlet 401, described first spraying mechanism 41 is connected by one first branch pipe(tube) 71 with drip pan 24, described first detention tank 61 is connected by a slag removal unit 8 with the delivery port 431 of sewage dashpot 43, described second detention tank 62 is communicated with the first detention tank 61, described second detention tank 62 is connected with the water inlet 12 of chip washer 1 by a main pipeline 72, described main pipeline 72 is provided with a water circulating pump 73, described second spraying mechanism 42 is connected with main pipeline 72 by one second branch pipe(tube) 74, described second branch pipe(tube) 74 is between water circulating pump 73 and chip washer 1, and described first branch pipe(tube) 71 and the second branch pipe(tube) 74 are equipped with a valve (are respectively valve 91, valve 92).
Wherein, slag removal unit 8 comprises mesh screen conveyer 81, clay extruded mechanism 82, waste residue collecting box 83 and a splash-guard ring 84, mesh screen conveyer 81 is positioned at directly over the first detention tank 61, this mesh screen conveyer 81 is connected with the delivery port 431 of sewage dashpot 43 by an aqueduct 85, described splash-guard ring 84 is located between mesh screen conveyer 81 and sewage dashpot 43, the end of aqueduct 85 extends in splash-guard ring 84, splashes to avoid the water flowed in aqueduct 85 mesh screen conveyer 81; Described clay extruded mechanism 82 is installed in splash-guard ring 84, and the body refuse on mesh screen conveyer 81 in order to constantly to beat the mesh bag of mesh screen conveyer 81, thus is destroyed by it, ensures the clean of the mesh bag of mesh screen conveyer 81; In addition, waste residue collecting box 83 is installed on below the outlet ends of this mesh screen conveyer 81, its body refuse separated for receiving mesh screen conveyer 81.
One the 3rd spraying mechanism 43 and one the 4th spraying mechanism 44 of spray all is downwards provided with in discharge pipe 52, described 3rd spraying mechanism 43 is connected with drip pan 24 by the 3rd branch pipe(tube) 75 that is provided with valve 93, described 4th spraying mechanism 44 is connected with the second branch pipe(tube) 74,3rd spraying mechanism 43 coordinates with the 4th spraying mechanism 44, fibre dust in the tail gas entered from air-introduced machine 5 in discharge pipe 52 can be removed, and preliminary cooling down is carried out to tail gas; Discharge pipe 52 is obliquely installed, the angle of inclination of this discharge pipe 52 is α, 0 ° of < α < 90 °, being obliquely installed of discharge pipe 52 can avoid the aqueous reflux of the 3rd spraying mechanism 43, water that the 4th spraying mechanism 44 sprays and chimney 4 in air-introduced machine 5; In addition, in order to reduce the flow resistance of shower water to tail gas, the shower nozzle of the 4th spraying mechanism 44 and the second spraying mechanism 42 is all obliquely installed along exhaust gas flow direction.
Second detention tank 62 is communicated with by a connected entrance 63 with both the first detention tanks 61; The delivery port 431 of sewage dashpot 43 is positioned at the bottom of this sewage dashpot 43; Be provided with one first dredge pump 611 in first detention tank 61, and this first dredge pump 611 is connected with one first slag remover 612; Be provided with one second dredge pump 621 in second detention tank 62, and this second dredge pump 621 is connected with one second slag remover 622; The sewage flowing into the first detention tank 61 constantly carries out preliminary sedimentation, and the mud settled down is entered in the first slag remover 612 of connection by the first dredge pump 611 and discharged by body refuse; And to flow in the second mudpan 62 through connected entrance 63 via the sewage after the first mudpan 61 preliminary sedimentation and constantly carry out secondary settlement, to obtain recycling recirculated water, and the mud settled down in the second mudpan 62 is entered in the second slag remover 622 of connection by the second dredge pump 621 and is discharged by body refuse; Wherein, the first slag remover 612 can select vertical slag remover, and the second slag remover 622 can select horizontal slag remover.
It should be noted that, valve 91 is the spray flows controlling the first spraying mechanism 41, and valve 92 is the spray flows in order to Synchronization Control second spraying mechanism 42 and the 4th spraying mechanism 44, and valve 93 is the spray flows controlling the 3rd spraying mechanism 43.
During operation of the present invention: the sewage that chip washer 1 produces flows in feeder 2 via outlet of sewer 11 and water inlet 21 successively, sewage afterwards in feeder 2 is delivered to drainage via delivery port 22 and is sieved the 3 bulky grain thing impurity carrying out filtering to remove in sewage, and the sewage after drainage sieve 3 filters falls into the spray water source that drip pan 24 is used as the first spraying mechanism 43 and the 3rd spraying mechanism 43, the tail gas that dry cyclone separator 3 produces flows out from exhaust outlet 31 and enters induced duct 51 and discharge pipe 52 successively under the effect of air-introduced machine 5, the tail gas entering discharge pipe 52 eliminates fibre dust under the 3rd spraying mechanism 43 and the 4th spraying mechanism 44 acting in conjunction, and preliminary cooling down is carried out to tail gas, tail gas enters chimney 4 through the air inlet 401 of chimney 4 afterwards, tail gas is subject to the downward spray of the first spraying mechanism 41 and the upward spraying of the second spraying mechanism 42 in chimney 4 simultaneously, tail gas is made to obtain simultaneously being able to cooling down, dust contained by it and particle are substantially removed and are fallen into the sewage dashpot 43 bottom chimney 4 along with shower water, and the shower water that the first spraying mechanism 43 and the 3rd spraying mechanism 43 spray also enters chimney 4 by air inlet 401 and drops down onto in sewage dashpot 43, the tail gas of discharging from chimney 4 top is afterwards comparatively clean, can not pollute obtaining in environment air, and the sewage falling into sewage dashpot 43 causes slag removal unit 8 to remove the impurity such as the particle of sewage by aqueduct 85 from delivery port 431, sewage after slag removal unit 8 process afterwards enters successively in the first detention tank 61, second detention tank 62 and carries out settlement treatment, the recirculated water that final acquisition can recycle, recirculated water is pumped into main pipeline 72 for chip washer 2, second spraying mechanism 42 and the 4th spraying mechanism 44 water by water circulating pump 73 from the second detention tank 62, thus achieves effluent cycle utilization.
To sum up, the present invention is by the structural design of whole device, the tail gas that dry cyclone separator produces can not only be processed, avoid being disposed to the too high and problem of environmental pollution that causes of the granule contents such as exhaust temperature in air is too high, dust, have collected moisture content, heat energy etc. in tail gas that dry cyclone separator produces simultaneously; And the sewage achieved washing wood chip produces recycles, thus avoid the waste of water resource, in addition, this device also has compact conformation, takes up an area less feature.
Claims (9)
1. a chip washing sewage and flue gas processing device, comprise a chip washer, for collecting the feeder of washing sewage, the outlet of sewer of described chip washer is communicated with the water inlet of feeder, the delivery port of described feeder is connected a drainage sieve, and this drainage sieve below is provided with a drip pan, it is characterized in that: this treating apparatus also comprises at least one dry cyclone separator, one chimney being provided with an air inlet, one air-introduced machine, one first detention tank and one second detention tank, described air-introduced machine is connected with the exhaust outlet of dry cyclone separator by an induced duct, this air-introduced machine is connected with the air inlet of chimney by a discharge pipe, the second spraying mechanism of first spraying mechanism sprayed and a upward spraying is provided with downwards in described chimney, and the bottom of this chimney is provided with a sewage dashpot, described sewage dashpot is positioned at the below of air inlet, described first spraying mechanism is positioned at the top of chimney, described second spraying mechanism is between the first spraying mechanism and air inlet, described first spraying mechanism is connected by one first branch pipe(tube) with drip pan, described first detention tank is connected by a slag removal unit with the delivery port of sewage dashpot, described second detention tank is communicated with the first detention tank, described second detention tank is connected with the water inlet of chip washer by a main pipeline, described main pipeline is provided with a water circulating pump, described second spraying mechanism is connected with main pipeline by one second branch pipe(tube), described second branch pipe(tube) is between water circulating pump and chip washer, and described first branch pipe(tube) and the second branch pipe(tube) are equipped with a valve.
2. a kind of chip washing sewage according to claim 1 and flue gas processing device, it is characterized in that: described slag removal unit comprises a mesh screen conveyer, one clay extruded mechanism, one waste residue collecting box and a splash-guard ring, mesh screen conveyer is positioned at directly over the first detention tank, this mesh screen conveyer is connected with the delivery port of sewage dashpot by an aqueduct, described splash-guard ring is located between mesh screen conveyer and sewage dashpot, the end of described aqueduct extends in splash-guard ring, described clay extruded mechanism is installed in splash-guard ring, and waste residue collecting box is installed on below the outlet ends of mesh screen conveyer.
3. a kind of chip washing sewage according to claim 1 and flue gas processing device, it is characterized in that: one the 3rd spraying mechanism and one the 4th spraying mechanism that are provided with spray all downwards in described discharge pipe, described 3rd spraying mechanism establishes valvular 3rd branch pipe(tube) to be connected with drip pan on one, and described 4th spraying mechanism is connected with the first branch pipe(tube); And described discharge pipe is obliquely installed, the angle of inclination of this discharge pipe is α, 0 ° of < α < 90 °.
4. a kind of chip washing sewage according to claim 1 and flue gas processing device, is characterized in that: described second detention tank is communicated with by a connected entrance with the first detention tank.
5. a kind of chip washing sewage according to claim 1 and flue gas processing device, it is characterized in that: be provided with one first dredge pump in described first detention tank, and this first dredge pump is connected with one first slag remover.
6. a kind of chip washing sewage according to claim 1 and flue gas processing device, it is characterized in that: be provided with one second dredge pump in described second detention tank, and this second dredge pump is connected with one second slag remover.
7. a kind of chip washing sewage according to claim 5 and flue gas processing device, is characterized in that: described first slag remover is vertical slag remover.
8. a kind of chip washing sewage according to claim 6 and flue gas processing device, is characterized in that: described second slag remover is horizontal slag remover.
9. a kind of chip washing sewage according to claim 1 and flue gas processing device, is characterized in that: the delivery port of described sewage dashpot is positioned at the bottom of this sewage dashpot.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410328455.6A CN104117242B (en) | 2014-07-11 | 2014-07-11 | A kind of chip washing sewage and flue gas processing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410328455.6A CN104117242B (en) | 2014-07-11 | 2014-07-11 | A kind of chip washing sewage and flue gas processing device |
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| CN104117242A CN104117242A (en) | 2014-10-29 |
| CN104117242B true CN104117242B (en) | 2016-04-13 |
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| CN104438204A (en) * | 2014-12-07 | 2015-03-25 | 重庆三好纸业有限公司 | Wood chip cleaning device with conical rotor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS6034886B2 (en) * | 1982-03-29 | 1985-08-12 | 住友重機械工業株式会社 | Wastewater treatment method |
| JP2744580B2 (en) * | 1993-08-17 | 1998-04-28 | 日本ジェット株式会社 | Wet washing filtration backwashing continuous scrubber |
| CN102068870A (en) * | 2010-12-02 | 2011-05-25 | 北京机电院高技术股份有限公司 | Complete sludge paddle anhydrated carrier gas treatment device and method |
| CN203329546U (en) * | 2013-05-10 | 2013-12-11 | 江阴市中科机电制造有限公司 | Circulating water waste gas treatment system of cotton collector |
| CN103586209B (en) * | 2013-11-08 | 2016-03-30 | 福建省永安林业(集团)股份有限公司 | A kind of Chip treatment device |
| CN103770192B (en) * | 2014-01-21 | 2015-12-02 | 福建省永安林业(集团)股份有限公司 | Chip washing flue gas processing device |
| CN203971569U (en) * | 2014-07-11 | 2014-12-03 | 福建省永安林业(集团)股份有限公司 | A kind of chip washing sewage and flue gas processing device |
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