CN106956506A - Exhaust gas enrichment drying unit - Google Patents
Exhaust gas enrichment drying unit Download PDFInfo
- Publication number
- CN106956506A CN106956506A CN201710306075.6A CN201710306075A CN106956506A CN 106956506 A CN106956506 A CN 106956506A CN 201710306075 A CN201710306075 A CN 201710306075A CN 106956506 A CN106956506 A CN 106956506A
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- China
- Prior art keywords
- air
- fan blade
- exhaust gas
- supply
- outlet
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F33/00—Indicating, counting, warning, control or safety devices
- B41F33/0018—Protection means against injury to the operator
Abstract
The invention discloses a kind of exhaust gas enrichment drying unit, including casing, breeze fan, air-supply regulation fan blade, forced draft fans and air draught regulation fan blade；The heater heated in casing provided with air-supply passage, air-suction channel, to the air by air-supply passage；Described air-supply regulation fan blade is arranged in air-supply passage, and described air draught regulation fan blade is arranged in air-suction channel；The rotating shaft of air-supply regulation fan blade, the rotating shaft of air draught regulation fan blade mutually link.The present apparatus will lead up to the bigger resistance drop low discharge of automatic increase by fan blade to larger air quantity, the Automatic Balance Regulation of air output and suction air volume can be realized under different operating modes, prevent that fresh air suction from causing waste gas excessively to be diluted too much on the premise of ensureing that waste gas does not leak, to ensure the effect of exhaust gas enrichment.
Description
Technical field
The present invention relates to a kind of exhaust gas enrichment drying unit, and in particular to a kind of waste gas applied to drying system is rich
Collect drying unit, belong to energy-conserving and environment-protective field.
Background technology
There is organic waste gas discharge in printing, the drying course of coating production, big and the low organic exhaust gas of concentration for air quantity
Follow-up harmless treatment needs to invest very big equipment cost and processing cost, and organic exhaust gas is also made when discharging with heat dissipation
Into thermal waste, if handling organic exhaust gas using heating power mode of oxidizing, the VOCs treatment of low concentration will need to consume more
Many fuel combustion supportings, so, it is to reduce waste gas pollution control and treatment cost to reduce discharge amount of exhaust gas by enrichment means and improve exhaust gas concentration
Effective ways.
Chinese patent 201520386158.7 air drier of baking oven " be used for " be air intake and the air draft for baking oven and
Design, the technology is in seal case provided with breeze fan, heater, heat exchanger, hot-blast outlet, return air inlet, a fresh air
Mouth and waste gas exhaust outlet, the device can complete the function of air filtration, heating, waste gas heat utilization and air-supply, wherein also carrying
And Wind volume detector is installed in air intake vent and air outlet position, adjust air output according to Wind volume detector realize into
Air-out is balanced, but the patented technology not related to air inlet/outlet balance adjustment structure design and solution.
Traditional exhaust gas enrichment method is that independent inner loop wind apparatus is used in drying system, and baking oven is discharged
Baking oven interior circulation is reentered after portion mixing fresh air heating to use, and is only drained a part, can so be reduced waste gas discharge
Amount and exhaust gas concentration is improved, but this method is difficult that turnover air quantity to baking oven is balanced control.Because ribbon continuously dries
Dry baking oven needs to set the mouth of being back to back of material, makes this kind of baking oven can not accomplish to be fully sealed, if baking oven amount intake
More than exhaust air rate, the waste gas of oven interior will be by the material import and export gap of baking oven leakage pollution environment outward, if row
Air quantity, beyond too many, can be such that waste gas is excessively diluted, with exhaust gas enrichment than intake from the excessive fresh air of the gap suction of baking oven
Original intention disagree.
Also there is the air balance for adjusting and being sent between air draught using frequency conversion fan in the prior art, by adjusting frequency conversion wind manually
The rotating speed of machine adjusts suction air volume to more slightly larger than air output, does not leak and prevent that waste gas from excessively diluting to take into account waste gas, but the party
Method has weak point, and its reason is to change wind area when the different size materials of oven for drying, can cause turbulent in baking oven
Change, and turbulent flow change can cause the change of oven interior windage, the change of windage most causes changing for air mass flow at last
Become, so, using frequency conversion fan control send the ratio of air draught when, for dry different size product when need frequently adjustment,
Using very inconvenient.
The content of the invention
The present invention in view of the shortcomings of the prior art, designed and given up used in a kind of baking oven for being suitable for being fully sealed
Gas is enriched with drying unit, and the device, which has, produces hot blast, hot air circulation utilization, is provided simultaneously with entering between air output and suction air volume
The function of row Automatic Balance Regulation.
The present invention can be adopted the following technical scheme that:
A kind of exhaust gas enrichment drying unit, including casing, breeze fan, air-supply regulation fan blade, forced draft fans and air draught are adjusted
Save fan blade；The heater heated in casing provided with air-supply passage, air-suction channel, to the air by air-supply passage；Described send
Wind regulation fan blade is arranged in air-supply passage, and described air draught regulation fan blade is arranged in air-suction channel；Air-supply regulation fan blade
Rotating shaft, the rotating shaft of air draught regulation fan blade mutually link；Air-supply regulation fan blade is located at the entrance of air-supply passage and going out for air-supply passage
Between mouthful；Air draught regulation fan blade is between the outlet of the entrance and air-suction channel of air-suction channel；The outlet of air-suction channel is with sending
The entrance connection of wind passage.
It is of the present invention to solve the problems, such as further take following corrective measure：
Further it is improved to：Described air-supply regulation fan blade is rotary axial-flow leaf or centrifugation blade, air draught regulation wind
Leaf is rotary axial-flow leaf or centrifugation blade.
Further it is improved to：The entrance of described air-supply passage or inlet scoop or the air outlet of outlet connection breeze fan,
The entrance of described air-suction channel or inlet scoop or the air outlet of outlet connection forced draft fans.
Further it is improved to：The rotating shaft of air-supply regulation fan blade, the rotating shaft of air draught regulation fan blade couple real with mechanical links
Now mutually linkage.
Further it is improved to：Described mechanical links can be power transmission shaft transmission belt either travelling gear.
Further it is improved to：Center-aisle is provided with casing, the outlet of air-suction channel is connected with center-aisle, air-supply passage
Entrance connected with center-aisle, described heater is arranged in center-aisle.
Further it is improved to：Waste gas merging chamber is provided with described casing.
Further it is improved to：The forced draft fans are located in center-aisle, and the entrance of described air-supply passage or outlet connect
Inlet scoop or the air outlet of breeze fan are connect, the outlet of described air-suction channel connects the inlet scoop of forced draft fans, and described is useless
Gas merging chamber is being provided with air door with forced draft fans air outlet corresponding position.
Further it is improved to：Described waste gas merging chamber is connected with outside air-introduced machine.
Above-mentioned technical proposal has such technique effect:
The problem of present invention can solve drying unit air output and excessive suction air volume difference, when air-supply and air draught two-way air quantity
When difference is excessive, the present apparatus will lead up to the bigger resistance drop low discharge of automatic increase by fan blade to larger air quantity, can
The Automatic Balance Regulation of air output and suction air volume is realized under different operating modes, prevents new on the premise of ensureing that waste gas does not leak
Wind suction causes waste gas excessively to be diluted too much, to ensure the effect of exhaust gas enrichment.
Brief description of the drawings
Fig. 1 is the structural representation of apparatus of the present invention.
Application schematic diagram when Fig. 2 is apparatus of the present invention external connection baking oven.
Fig. 3 is the application schematic diagram that apparatus of the present invention are connected with multigroup device.
Embodiment
The present invention is specifically described with reference to specific embodiment.
Embodiment 1：As shown in Figure 1, Figure 2, Figure 3 shows, a kind of exhaust gas enrichment drying unit, including casing 1, breeze fan 2, give
Wind regulation fan blade 3, forced draft fans 4 and air draught regulation fan blade 5；Provided with air-supply passage, air-suction channel, to by air-supply in casing 1
The heater 8 of the air heating of passage；Described air-supply regulation fan blade 3 is arranged in air-supply passage, described air draught regulation wind
Leaf is arranged in air-suction channel；The rotating shaft of air-supply regulation fan blade 3, the rotating shaft of air draught regulation fan blade 5 mutually link；Air-supply regulation wind
Leaf 3 is between the outlet 10 of the entrance and air-supply passage of air-supply passage；Air draught regulation fan blade 5 is located at the entrance 11 of air-suction channel
Between the outlet of air-suction channel；The outlet of air-suction channel is connected with the entrance of air-supply passage.
In this example, air-supply passage, air-suction channel are separated by a chamber by dividing plate 7.Turn of air-supply regulation fan blade 3
Axle, the rotating shaft of air draught regulation fan blade 5 are same rotating shaft.
One kind is improved to, and air-supply regulation fan blade 3, air draught regulation fan blade 5 are rotary axial-flow leaf or centrifugation blade.
Air-supply regulation fan blade 3, air draught regulation fan blade 5 can be the fan blade of identical type.
One kind is improved to, and described mechanical links 6 can be power transmission shaft transmission belt either travelling gear.This
It is power transmission shaft in example.Air-supply regulation fan blade 3, air draught regulation fan blade 5 rotate in same direction in the presence of air-flow.
One kind is improved to, and center-aisle 80 is provided with casing 1, and the outlet of air-suction channel is connected with center-aisle 80, is blown
The entrance of passage is connected with center-aisle 80, and described heater 8 is arranged in center-aisle.
Waste gas merging chamber 12 is provided with described casing.
Forced draft fans 4 are located in center-aisle 80, and the outlet of described air-suction channel connects the inlet scoop of forced draft fans 4,
The entrance of described air-supply passage or inlet scoop or the air outlet of outlet connection breeze fan 2, described waste gas merging chamber 12
Air door 13 is being provided with the air outlet corresponding position of forced draft fans 4 (relative place near air port).
One kind is improved to, and described waste gas merging chamber 12 is connected with outside air-introduced machine.
Operation principle：The gap for allowing material to be back to back is provided with based on ribbon continuous drying case needs and can not have been accomplished
It is hermetically sealed, cause drying course to produce volatile organic waste gas and be easy to leak from baking oven gap and pollute environment, solve this
The method of problem is that oven interior formation negative pressure must be made just to prevent exhaust gas leakage, but if the negative pressure in baking oven is excessive,
A large amount of fresh airs can be caused to be sucked from baking oven gap, can so waste gas is excessively diluted and reduce concentration, be unfavorable for follow-up organic
Waste gas harmless treatment.
Apparatus of the present invention need connection baking oven 14 (such as Fig. 2) when in use, and apparatus of the present invention are useless to send out hot blast and suction
The device of gas, baking oven completes the device of material drying, the air outlet 10 of apparatus of the present invention and the air intake vent of baking oven for reception hot blast
15 connections, the waste gas outlet 16 of entrance 11 i.e. return air inlet and the baking oven of air-suction channel is connected.
Because the air of air-supply passage is needed by heater, sprayed finally by air outlet narrow in baking oven, ejection
Air is more influenceed by turbulent flow, and above-mentioned factors add very big fan resistance, and air-suction channel resistance simple in construction is smaller,
If entering the blower fan that air draught uses equal model, operating actual suction air volume is more much larger than air output, due to air-supply passage
The factor for forming resistance is complicated and changeable, and turbulent factor follows change when being included in the material of drying different size, also including this hair
Bright drying unit is used cooperatively as standard product with the baking oven of distinct device, so being difficult to meet in different works in design
The type selecting of breeze fan and forced draft fans is matched to ensure oven interior formation tiny structure under condition, otherwise cause operationally
Waste gas is largely sucked from baking oven slot leakage or crossing ambassador's fresh air because of suction air volume from baking oven gap caused by suction air volume is too small.
Substantially, the present apparatus need not be accurate to the air output of baking oven and the absolute figure of suction air volume, it is only necessary to both
Numerical value is approached, and it is optimal that the latter is more slightly larger than the former.The key technology of embodiment 1 be will air-supply regulation fan blade and
Air draught regulation fan blade is fixed in same rotating shaft and realizes that two fan blades mutually link, and is separated two fan blades to sending by dividing plate 7
In wind passage and in air-suction channel, the wind of crossing that the fan blade of two synchronous rotaries differs to flow respectively is set to produce different effects
Power, realizes and reduces the air mass flow difference of air-supply passage and air-suction channel between the two.
Apparatus of the present invention can be logical using air-supply passage and air draught is arranged at according to the flow of the actual turnover air of drying unit
Resistance difference between two fan blades in road, which is realized, to be automatically adjusted, meeting one when air-flow adjusts fan blade and air draught regulation fan blade by blowing
Rise and rotate, synchronous rotary can be realized using two fan blades that two inclination directions are consistent and are fixed in same rotating shaft, when two
The consistent fan blade of model respectively by small one and large one two-way air stream drives when the rotating speed (V) that obtains, can be both little airflow higher than two-way
Rotating speed (V1), can be both the rotating speed (V2) of big air-flow, i.e. V2 ＞ V ＞ V1 less than two-way, so, pass through the fan blade institute of big air-flow
The resistance of formation is greater than the fan blade by little airflow, when two-way air mass flow difference is larger, contacts the fan blade meeting of big air-flow
Resistance is produced, and the fan blade for contacting little airflow then produces boosting power, the fan blade device can cut down an air quantity side bigger than normal, compensate wind
An amount side less than normal, so, when being matched from the suction air volume blower fan bigger than air output, can be more than air output ensureing suction air volume
On the premise of avoid the former from occurring beyond the excessive situation of the latter.
Because the air door of the air outlet 9 of forced draft fans, the air draught end of breeze fan and waste gas merging chamber is in same interval,
The part air draft of forced draft fans can be made to be sucked again by breeze fan, it is outside that remainder enters waste gas merging chamber through air door
Air-introduced machine is taken away.The inlet air flow path of apparatus of the present invention is：Driven by forced draft fans, a small amount of fresh air is entered from the gap of baking oven 14
Enter, fresh air is inhaled into the air-suction channel in apparatus of the present invention with the waste gas in baking oven, flow through air draught regulation fan blade, portion quilt
Feeding Oven Cycle is used again after breeze fan suction is reheated, and the remainder waste gas not sucked by breeze fan passes through air door
Drawn after into waste gas merging chamber by outside air-introduced machine.
For the soakage of the fresh air in baking oven gap, except by breeze fan, air-supply regulation fan blade, forced draft fans and air draught
Outside the influence for adjusting fan blade, also can by outside air-introduced machine influence of tractive force, when apparatus of the present invention realize air output and suction air volume it
Between after the difference that keeps relative stability, it is only necessary to the outside frequency converting induced draft fan of regulation just can precise control baking oven suction fresh air with giving up
Gas mixed proportion, reliable guarantee is provided for the precise control of exhaust gas enrichment.
The area and angle of fan blade can be adjusted by changing air-supply regulation fan blade or air draught, or by increasing auxiliary wind
Leaf 51 adjusts fan blade windage parameter, the curve of both the adjustable air-supply regulation fan blade of the above method and air draught regulation fan blade resistance
Relation.
It is another to be improved to, the entrance of described air-supply passage or inlet scoop or the air outlet of outlet connection breeze fan,
The entrance of described air-suction channel or inlet scoop or the air outlet of outlet connection forced draft fans.
Embodiment 2：One kind is changed to：The rotating shaft of described air-supply regulation fan blade 3, the rotating shaft of air draught regulation fan blade 5 pass through machine
Tool connector 6 couples, and described mechanical links are transmission belt or are drive.
Air-supply regulation fan blade and air draught regulation fan blade are applied to using the connecting mode of drive or transmission belt in embodiment 2
Shaft axis not in collinear design, the need for adapting to specific internal.
The present invention is applied to multicolor intaglio press, and the drying unit per colour cell connects a set of present apparatus respectively, if one
Platform multicolor intaglio press installs many set present apparatus, can connect the waste gas merging chamber pipeline 17 of every covering device and and waste gas
Air-introduced machine connects (such as Fig. 3).
Presently preferred embodiments of the present invention is the foregoing is only, is not intended to limit the invention, all essences in the present invention
Any modification, equivalent and improvement made within refreshing and principle etc., should be included within the scope of the present invention.
Claims (9)
1. a kind of exhaust gas enrichment drying unit, it is characterized in that：Including casing, breeze fan, air-supply regulation fan blade, forced draft fans and
Air draught adjusts fan blade；The heater heated in casing provided with air-supply passage, air-suction channel, to the air by air-supply passage；Institute
The air-supply regulation fan blade stated is arranged in air-supply passage, and described air draught regulation fan blade is arranged in air-suction channel；Air-supply regulation
The rotating shaft of fan blade, the rotating shaft of air draught regulation fan blade mutually link；Air-supply regulation fan blade is logical located at the entrance of air-supply passage and air-supply
Between the outlet in road；Air draught regulation fan blade is between the outlet of the entrance and air-suction channel of air-suction channel；Air-suction channel goes out
Mouth is connected with the entrance of air-supply passage.
2. exhaust gas enrichment drying unit according to claim 1, it is characterized in that：Described air-supply regulation fan blade is rotary
It is rotary axial-flow leaf or centrifugation blade that axial-flow leaf or centrifugation blade, air draught, which adjust fan blade,.
3. exhaust gas enrichment drying unit according to claim 1, it is characterized in that：The entrance of described air-supply passage or outlet
Connect inlet scoop or the air outlet of breeze fan, the entrance of described air-suction channel or the inlet scoop of outlet connection forced draft fans or
Air outlet.
4. exhaust gas enrichment drying unit according to claim 1, it is characterized in that：The rotating shaft of air-supply regulation fan blade, air draught are adjusted
The rotating shaft for saving fan blade realizes mutually linkage with mechanical links connection.
5. exhaust gas enrichment drying unit according to claim 4, it is characterized in that：Described mechanical links be power transmission shaft or
Person is transmission belt either travelling gear.
6. exhaust gas enrichment drying unit according to claim 1, it is characterized in that：Center-aisle is provided with casing, air draught is led to
The outlet in road is connected with center-aisle, and the entrance of air-supply passage is connected with center-aisle, and described heater is arranged at middle logical
In road.
7. exhaust gas enrichment drying unit according to claim 6, it is characterized in that：Collect in described casing provided with waste gas
Room.
8. exhaust gas enrichment drying unit according to claim 7, it is characterized in that：The forced draft fans are located at center-aisle
Interior, the entrance of described air-supply passage or inlet scoop or the air outlet of outlet connection breeze fan, described air-suction channel go out
The inlet scoop of mouth connection forced draft fans, described waste gas merging chamber is being provided with air door with forced draft fans air outlet corresponding position.
9. exhaust gas enrichment drying unit according to claim 8, it is characterized in that：Described waste gas merging chamber and outside air inducing
Machine is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710306075.6A CN106956506B (en) | 2017-05-04 | 2017-05-04 | Waste gas enrichment drying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710306075.6A CN106956506B (en) | 2017-05-04 | 2017-05-04 | Waste gas enrichment drying device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106956506A true CN106956506A (en) | 2017-07-18 |
| CN106956506B CN106956506B (en) | 2023-09-22 |
Family
ID=59481913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710306075.6A Active CN106956506B (en) | 2017-05-04 | 2017-05-04 | Waste gas enrichment drying device |
Country Status (1)
| Country | Link |
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| CN (1) | CN106956506B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2160086Y (en) * | 1993-05-17 | 1994-03-30 | 北京神龙电器公司 | Air changing regulator |
| CN201006541Y (en) * | 2007-02-09 | 2008-01-16 | 深圳市信宇人科技有限公司 | Coating machine bake oven |
| CN201214303Y (en) * | 2008-06-30 | 2009-04-01 | 陕西北人印刷机械有限责任公司 | Full-automatic circulation drying device |
| CN103481659A (en) * | 2013-09-17 | 2014-01-01 | 广东芬尼克兹节能设备有限公司 | Efficient and energy-saving printing drying machine |
| CN103575085A (en) * | 2012-07-31 | 2014-02-12 | 苏州福斯特光伏材料有限公司 | Combustion disposing, drying and heating integrated unit for organic waste gas emitted by coater |
| CN207014968U (en) * | 2017-05-04 | 2018-02-16 | 林景峰 | Exhaust gas enrichment drying unit |
-
2017
- 2017-05-04 CN CN201710306075.6A patent/CN106956506B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2160086Y (en) * | 1993-05-17 | 1994-03-30 | 北京神龙电器公司 | Air changing regulator |
| CN201006541Y (en) * | 2007-02-09 | 2008-01-16 | 深圳市信宇人科技有限公司 | Coating machine bake oven |
| CN201214303Y (en) * | 2008-06-30 | 2009-04-01 | 陕西北人印刷机械有限责任公司 | Full-automatic circulation drying device |
| CN103575085A (en) * | 2012-07-31 | 2014-02-12 | 苏州福斯特光伏材料有限公司 | Combustion disposing, drying and heating integrated unit for organic waste gas emitted by coater |
| CN103481659A (en) * | 2013-09-17 | 2014-01-01 | 广东芬尼克兹节能设备有限公司 | Efficient and energy-saving printing drying machine |
| CN207014968U (en) * | 2017-05-04 | 2018-02-16 | 林景峰 | Exhaust gas enrichment drying unit |
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| Publication number | Publication date |
|---|---|
| CN106956506B (en) | 2023-09-22 |
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Effective date of registration: 20180615 Address after: 528300 A District, No. 37, South Road, Shunde District, Shunde, Foshan. Applicant after: FOSHAN ANJIEBAO ENERGY SAVING EQUIPMENT Co.,Ltd. Address before: 528300 Foshan, Guangdong Shunde District, Daliang Road 4, 5 5 Applicant before: Lin Jingfeng |
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