CN203900069U - Dust odor filtration and purification system for fiber board production - Google Patents
Dust odor filtration and purification system for fiber board production Download PDFInfo
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- CN203900069U CN203900069U CN201420286856.5U CN201420286856U CN203900069U CN 203900069 U CN203900069 U CN 203900069U CN 201420286856 U CN201420286856 U CN 201420286856U CN 203900069 U CN203900069 U CN 203900069U
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- dust
- purification system
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- purifying column
- peculiar smell
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Abstract
The utility model discloses a dust odor filtration and purification system for fiber board production, and belongs to the technical field of environment protection of fiber board production. The differential pressure adsorption principle is adopted in an automatic continuous dust filtration device, dust is blocked through a filter net, two high-pressure fans with pressure higher than pipeline pressure are used for absorbing the dust blocked by the filter net, a dust absorbing nozzle moves on a guide track in a reciprocating mode, and cleanness of the filter net is maintained; power of an existing drying system in the production process is used for collecting and utilizing gas containing odor and fine dust for reprocessing, and environment pollution in the hot-pressing board drying process is avoided; a purification tower is arranged above an air outlet of a fiber drying and separating cyclone separator, and suction force of the purification tower is used for increasing the air speed at the air outlet of the cyclone separator. The dust odor filtration and purification system is low in investment compared with that in the prior art, low in operation cost, simple in operation, and obvious in energy-saving effect, about 1, 400, 000 RMB can be saved per year compared with a traditional scheme, and installation space is saved.
Description
Technical field
The utility model discloses a kind of Fibreboard Production dust peculiar smell filtration, purification system, belong to the environmental technology field of Fibreboard Production.
Background technology
Environmental pollution is a worldwide problem, the key subjects that Ye Shi China faces.In recent years, China's medium density fibre board (MDF) industry development is swift and violent, and output continues soaring, and 2010, China's fiberboard output reached 4354.54 ten thousand cubes, and wherein MDF output is 3894.24 ten thousand m.
The dry technology for production of medium density fibre board (MDF), take air as fiber transport carrier, and fiber preparation is use first separation method, applies adhesive, and the front fiber of plate blank molding is wanted drying, is hot pressed into no longer heat treatment conventionally after plate.Basic working procedure comprises: fiber separation → slurry processing → plate blank molding → hot pressing → post-processed etc.
Fiber separation claims again slurrying, is the process of fiber that pulping raw material is separated into.Thermal machine method is main pulping process used in the fibre board industry of home and abroad;
Slurry is processed, and according to product purpose, carries out respectively waterproof, enhancing, the processing such as fire-resistant and anticorrosion, to improve the relevant performance of finished product.Slurry after processing, drying is carried out dry-press process, and fiber moisture when dry production fiberboard requires hot pressing is 6～8%, and the slurry moisture content after applying glue is 40～60%, therefore need be at the moulding line pipe road pneumatic conveying drying that advances;
Plate blank molding medium-density plate and part hard plate dry-press process.
Dry-press process mostly adopts air forming machine.To apply the dried fibres of paraffin and adhesive (phenolic resins), and by air-flow, send into spreading head, the effect of borrowing fiber deadweight and padding off the net vacuum tank makes dry fiber evenly drop on the online slab that forms of pad.
Hot pressing.Dry method is 7 MPas, while surpassing this pressure, can reduce bending strength.During dry method pressurization, without drying stage, temperature is can make Rapid adhesive curing be as the criterion, and available conventional heating and high-frequency heating are eliminated the temperature difference, and shorten pressing cycle.
In above-mentioned production process, can cause the pollution sources such as solid waste, waste gas, dust, waste water and noise.Wherein waste gas micro mist, peculiar smell etc. in baking operation and hot pressing process exhaust do not have good way to administer in whole industry.Just utilize and add the collection that some pulse dust collectors solve the dust that leaks in production processes, described deduster can not Automatic continuous work, and the cleaning dust that need to often stop, causes intermittent duty clean-up effect poor, also affects the operation of whole system; Peculiar smell processing and utilizing increases air-introduced machine, will dry exhaust and introduce purifying column processing.Need to increase 160kw-300kw power like this, its operating cost is huge, has increased production cost, and a lot of producers are difficult to bear.On the basis that does not increase power consumption, effectively process micronic dust waste gas peculiar smell, be that the industry is thirsted for the technical problem that solves and never solve always.
Summary of the invention
The purpose of this utility model is to provide a kind of dust peculiar smell filtration, purification system of Fibreboard Production.Can on-line continuous move, non-maintaining; This system, in the situation that not increasing power, solves outer deodorization of water tail gas micronic dust in medium density fibre board (MDF) production process etc.
The utility model is by installing Automatic continuous dust filtration device additional, the gas that contains peculiar smell and micronic dust that hot press, unloader and buck machine are produced, filter out after micronic dust, after mixing with fresh atmosphere, enter after the heating of bake drying machine the high altitude discharge after tail gas purification tower washing of the waste gas after drying with fiber.Washings sieve after filtration from using by three grades of settling circulations, and the useless fiber sieving out enters refuse furnace burning and utilizes.
Technical characterictic of the present utility model is:
Automatic continuous dust filtration device adopts pressure reduction absorption principle, dust is tackled through filter screen, utilizes the dust of absorbing filter screen interception higher than two high pressure positive blowers of pipeline pressure, and dust absorption nozzle is reciprocating on guide rail, keep the clean of filter screen, guarantee that air quantity continues normally to pass through;
The gas that contains peculiar smell and micronic dust that hot press, unloader and buck machine are produced, through Automatic continuous dust filtration device, filter out fibre dust, air inlet as drying machine, utilize the power of existing dryer system in production process by the gas collection utilization that contains peculiar smell and micronic dust of hot press, unloader and the generation of buck machine, process again, solved the environmental pollution of hot pressing buck operation;
Dry the air outlet of separated cyclone separator at fiber more than, purifying column is set, utilizes the suction of purifying column, accelerate the wind speed of cyclone separator air outlet, tails dedusting clarifier is set in purifying column, the gas purification that cyclone separator air outlet is discharged.
The utility model has been integrated resource, utilizing drying machine blower fan that indoor foul atmosphere is sucked to drying machine processes, make environment obtain very large improvement, designed Automatic continuous dust filtration device, overcome the risk that fiber enters drier initiation fire, in workshop, saved at least fan operation power of 55kw.
Automatic continuous dust filtration device comprises filter screen, the dust absorption nozzle on filter screen, and drive dust absorption nozzle, along the reciprocating transmission mechanism of filter screen, blower fan and separator form.
A dust peculiar smell filtration, purification system for Fibreboard Production, comprises drying machine and the cyclone separator being connected, and it is characterized in that:
On hot press, unloader and buck machine, dust gathering arrester is set respectively, described dust gathering arrester is connected with dust leg, and the other end of dust leg is connected with the Automatic continuous dust filtration device arranging on the air inlet of drying machine in Fibreboard Production technique;
More than the air outlet of cyclone separator, purifying column is set, tails dedusting clarifier is installed in purifying column.
Described dust gathering arrester is the blower cover that is arranged on hot press, unloader and buck machine top.
Described dust leg is the air supply duct being communicated with blower cover.
Described purifying column is the spray scrubber of chimney-like.
Described tails dedusting clarifier comprises connected successively shower nozzle, water circulating pump, recirculated water sedimentation basin, bolter and water return pipeline.
During work, described dust gathering arrester is introduced air supply duct by the gas of hot press, unloader and buck machine top, through the inflammable fibre dust of Automatic continuous dust filtration device filtering, enter drying machine, together with slurry drying, process, through cyclone separator, enter purifying column, through described tails dedusting clarifier decontamination, process, remove dust peculiar smell, complete udst separation and enter atmosphere.
The utility model changes conventional exhaust processing scheme in the past, data result of calculation shows, reasonable in design, purifying column size makes itself to produce negative pressure state, utilize the power of the dryer system in production line, as the power of collecting dust gas with foreign flavor, after the dust gas with foreign flavor of collecting is filtered, a part that needs air as dryer system, enter drying machine, the gas that the gas that this part is contained to peculiar smell produces together with oven dry slurry enters in purifying column to be processed, and has effectively solved pollution problem, can save 55Kw air inducing energy consumption simultaneously; Purifying column has also changed and originally tail gas has been caused to the mode that wash on ground through high-power blower, utilize the unpowered purifying column that stretches to high-altitude to be arranged on whirlwind discharger exhaust outlet place, the negative-pressure sucking being produced by the purifying column self of chimney-like, replaces high-power blower, saves kinetic energy 160kw.
The utility model small investment, operating cost is low, than traditional scheme is annual, saves: 160kw+55kw-4kw=214kw per hour, by equal 0.85 yuan of every degree level, calculate 4365. yuan of electricity charge every day, within annual 365 days, by 90% Homes Using TV, can save more than 140 ten thousand yuan.Compared with prior art small investment, simple to operate, and install and save space, energy-conservation more than 1,000,000 operating cost of annual saving of comparing with traditional scheme, effect is remarkable.
Accompanying drawing explanation
Accompanying drawing 1 is system architecture schematic diagram of the present utility model.
Accompanying drawing 2 is formation schematic diagrames of Automatic continuous dust filtration device.
In figure: 1-Automatic continuous dust filtration device, 2-purifying column, 3-water circulating pump, 4-recirculated water sedimentation basin, 5-bolter, 6-dust car, 7-discharge bin, 8-cyclone separator, 9-air outlet, 10-shower nozzle, 11-drying pipeline, 12-installation, 13-hot press, 14-unloader, 15-dust gathering arrester, 16-buck machine, 17-dust gathering arrester, 18-dust leg, 19-dust leg, 20-secondary air channel, 21-drying machine, 22-drying machine blower fan, 23-motor, 24-sprocket shaft, 25-filter screen, 26-sweep-up pipe, 27-discharge pipe, 28-exhaust outlet, 29-separator, 30-laying dust pond, 31-motor, 32-blower fan, 33-dust absorption nozzle.
The specific embodiment
Below in conjunction with accompanying drawing, specific embodiment of the utility model is described further.
A kind of Automatic continuous dust filtration device, comprise the housing that is connected with drying machine, be placed in the filter screen that in housing, housing is divided into two spaces, it is characterized in that on filter screen arranging the dust absorption nozzle with filter screen laminating, described dust absorption nozzle is arranged on along on the reciprocating transmission mechanism of filter screen, and dust absorption nozzle connects sweep-up pipe and is connected with the blower fan that is arranged on housing outside.
Transmission mechanism comprises the sprocket shaft 24 of filter screen both sides, and sprocket shaft 24 forms power train with motor 23, between sprocket shaft 24, driving-chain is set, and driving-chain is connected with the dust absorption nozzle being arranged on guide rail.
Electric machine rotation drive chain wheel shaft, sprocket shaft drives chain, and chain drags dust absorption nozzle, along screen surface, moves, and dust absorption nozzle siphons away the dust on filter screen.
Motor rotates backward, and realizes dust absorption nozzle and moves back and forth.
Dust absorption nozzle 33 connects sweep-up pipe 26, and sweep-up pipe is connected with blower fan 32, and fan outlet connects discharge pipe 27, and discharge pipe is connected with separator 29.
Exhaust outlet 28 is set on separator, and separator bottom arranges laying dust pond.
A dust peculiar smell filtration, purification system for Fibreboard Production, comprises drying machine and the cyclone separator being connected, and it is characterized in that:
On hot press, unloader and buck machine, dust gathering arrester is set respectively, dust gathering arrester is connected with dust leg, and the other end of dust leg is connected with the Automatic continuous dust filtration device arranging on the air inlet of drying machine in Fibreboard Production technique;
More than the air outlet of cyclone separator, purifying column is set, tails dedusting clarifier is installed in purifying column.
Described dust gathering arrester is the blower cover that is arranged on hot press, unloader and buck machine top.
Described dust leg is the air supply duct being communicated with blower cover.
Described purifying column is the purifying column of chimney-like.
Described tails dedusting clarifier is referring to accompanying drawing 1, comprise the shower nozzle 10 being arranged in purifying column, connect the water circulating pump 3 of shower nozzle, the water inlet of water circulating pump connects recirculated water sedimentation basin 4, the water return pipeline of purifying column bottom is connected with bolter 5, and bolter is arranged on recirculated water sedimentation basin 4.
The oversize of bolter enters dust car 6, and screenings enters recirculated water sedimentation basin 4, sediment is transported to dry place and as combustible burning, utilize, and reclaims heat energy.
Claims (4)
1. a dust peculiar smell filtration, purification system for Fibreboard Production, comprises drying machine and the cyclone separator being connected, and it is characterized in that:
On hot press, unloader and buck machine, dust gathering arrester is set respectively, dust gathering arrester is connected with dust leg, and the other end of dust leg is connected with the Automatic continuous dust filtration device arranging on the air inlet of drying machine in Fibreboard Production technique;
More than the air outlet of cyclone separator, purifying column is set, tails dedusting clarifier is installed in purifying column.
2. the dust peculiar smell filtration, purification system of Fibreboard Production according to claim 1, is characterized in that the air supply duct of described dust leg for being communicated with blower cover.
3. the dust peculiar smell filtration, purification system of Fibreboard Production according to claim 1, is characterized in that the scrubbing tower that described purifying column is chimney-like.
4. the dust peculiar smell filtration, purification system of Fibreboard Production according to claim 1, it is characterized in that described tails dedusting clarifier, comprise the shower nozzle being arranged in purifying column, the water circulating pump that connects shower nozzle, the water inlet of water circulating pump connects recirculated water sedimentation basin, the water return pipeline of purifying column bottom is connected with bolter, and bolter is arranged on recirculated water sedimentation basin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420286856.5U CN203900069U (en) | 2014-06-03 | 2014-06-03 | Dust odor filtration and purification system for fiber board production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420286856.5U CN203900069U (en) | 2014-06-03 | 2014-06-03 | Dust odor filtration and purification system for fiber board production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203900069U true CN203900069U (en) | 2014-10-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420286856.5U Expired - Fee Related CN203900069U (en) | 2014-06-03 | 2014-06-03 | Dust odor filtration and purification system for fiber board production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203900069U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106824959A (en) * | 2017-03-29 | 2017-06-13 | 厦门托力托环保科技有限公司 | A kind of novel high-efficient dedusting system |
| CN112337584A (en) * | 2020-10-17 | 2021-02-09 | 安庆皖塑化工科技有限公司 | Preparation method of crack-resistant and leakage-resistant putty powder |
-
2014
- 2014-06-03 CN CN201420286856.5U patent/CN203900069U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106824959A (en) * | 2017-03-29 | 2017-06-13 | 厦门托力托环保科技有限公司 | A kind of novel high-efficient dedusting system |
| CN112337584A (en) * | 2020-10-17 | 2021-02-09 | 安庆皖塑化工科技有限公司 | Preparation method of crack-resistant and leakage-resistant putty powder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141029 Termination date: 20150603 |
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| EXPY | Termination of patent right or utility model |