CN204251955U - A kind of gas hood ventilating system of papermaking dry portion - Google Patents
A kind of gas hood ventilating system of papermaking dry portion Download PDFInfo
- Publication number
- CN204251955U CN204251955U CN201420686852.6U CN201420686852U CN204251955U CN 204251955 U CN204251955 U CN 204251955U CN 201420686852 U CN201420686852 U CN 201420686852U CN 204251955 U CN204251955 U CN 204251955U
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- gas hood
- row
- ventilating system
- heating apparatus
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
- Y02P80/15—On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply
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Abstract
The utility model relates to pulp technology for making paper, particularly relate to a kind of gas hood ventilating system of papermaking dry portion, comprise for the gas hood of coated drying section, the first row blower fan be connected with the output of gas hood, the vapour/gas heat reclamation device be connected with the output of first row blower fan, the second row blower fan be connected with the output of vapour/gas heat reclamation device, the air heating apparatus be connected with the output of second row blower fan, the blower mechanism that is connected with the output of air heating apparatus, and comprise the steam raising plant be connected with air heating apparatus; Blower mechanism comprises the blow box be arranged in drying section, and the blower be connected with blow box; Blower is connected with the output of air heating apparatus.This gas hood ventilating system can reduce steam consumption, and can improve the aridity of drying section to paper web drying.
Description
Technical field
The utility model relates to pulp technology for making paper, particularly relates to a kind of gas hood ventilating system of papermaking dry portion.
Background technology
Papermaking dry portion utilizes cylinder group (usually the row's of being set to drying cylinder and lower row's drying cylinder) to carry out dry parts to paper web.Papermaking dry portion is carrying out in dry process to paper web, be to produce steam by steam raising plant to carry out adding hot-air, thus utilizes hot-air to carry out drying to the paper web in cylinder group.
But there is steam consumption greatly, the shortcoming that paper web aridity is not high enough in the ventilating system that papermaking dry portion of the prior art is used for dry-web, thus causes energy consumption large, the problem that production cost is high.
Summary of the invention
The purpose of this utility model is the gas hood ventilating system providing a kind of papermaking dry portion for weak point of the prior art, and this gas hood ventilating system can make steam consumption reduce, and can improve the aridity of paper web.
For achieving the above object, the utility model is achieved through the following technical solutions.
A kind of gas hood ventilating system of papermaking dry portion is provided, comprise for the gas hood of coated drying section, the first row blower fan be connected with the output of described gas hood, the vapour/gas heat reclamation device be connected with the output of described first row blower fan, the second row blower fan be connected with the output of described vapour/gas heat reclamation device, the air heating apparatus be connected with the output of described second row blower fan, the blower mechanism that is connected with the output of described air heating apparatus, and comprise the steam raising plant be connected with described air heating apparatus;
Described blower mechanism comprises the blow box be arranged in drying section, and the blower be connected with described blow box; Described blower is connected with the output of described air heating apparatus.
Described gas hood comprises the upper gas hood be arranged at above drying section, and is arranged at the lower gas hood below drying section; Described upper gas hood is connected with described first row blower fan respectively with described lower gas hood.
Described drying section comprises row's cylinder group and lower row's cylinder group; Described blow box is provided with between each drying cylinder in described upper row's cylinder group and described lower row's cylinder group; Each described blow box is all connected with described blower.
Described air heating apparatus is also connected with condensate water recovery device.
The first pneumatic cut-off ball valve, drain valve and the second pneumatic cut-off ball valve is disposed with between described air heating apparatus and described condensate water recovery device.
The top of described drying section is provided with shower, and described shower is connected with the output of described steam raising plant; Described shower is arranged in described gas hood.
Described vapour/gas heat reclamation device is also connected with filter and air intake vent in turn.
Pressure transmitter is provided with between described second row blower fan and described air heating apparatus.
Temperature transmitter is provided with between described air heating apparatus and described blower mechanism.
Described blow box is set to pocket type blow box.
The beneficial effects of the utility model:
(1) a kind of gas hood ventilating system of papermaking dry portion that provides of the utility model, owing to comprising the gas hood for coated drying section, the first row blower fan be connected with the output of gas hood, the vapour be connected with the output of first row blower fan/gas heat reclamation device, more than being produced by shower spraying steam in drying section, vapour is input to vapour/gas heat reclamation device by first row blower fan, the steam that vapour/gas heat reclamation device reclaims is input to air heating apparatus for generation of hot-air by second row blower fan, the hot-air produced carries out drying for drying section to paper web, thus make this gas hood ventilating system to reduce steam consumption.
(2) a kind of gas hood ventilating system of papermaking dry portion that provides of the utility model, owing to being provided with blow box between each drying cylinder in upper row's cylinder group and lower row's cylinder group; Each blow box is all connected with blower, thus can improve the aridity of drying section to paper web drying.
(3) a kind of gas hood ventilating system of papermaking dry portion that provides of the utility model, has structure simple, can be applicable to the feature of large-scale production.
Accompanying drawing explanation
Fig. 1 is the structural representation of the gas hood ventilating system in a kind of papermaking dry portion of the present utility model.
Include in FIG:
1---drying section, 11---drying cylinder, 12---shower,
2---gas hood, 21---upper gas hood, 22---lower gas hood,
3---first row blower fan,
4---vapour/gas heat reclamation device, 41---filter, 42---air intake vent,
5---second row blower fan, 51---pressure transmitter,
6---air heating apparatus, 61---temperature transmitter,
7---steam raising plant,
8---blow box,
9---blower,
10---condensate water recovery device,
101---the first pneumatic cut-off ball valve,
102---drain valve,
103---the second pneumatic cut-off ball valve,
104---the 3rd pneumatic cut-off ball valve,
105---the 4th pneumatic cut-off ball valve.
Detailed description of the invention
The technical problem solved to make the utility model, technical scheme and beneficial effect are clearly understood, below in conjunction with drawings and Examples, are further elaborated to the utility model.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Special instruction, the noun of locality of " first " and " second " that the utility model uses is that conduct mark is used in order to enumerate embodiment better, and the utility model can not be made to be limited to for this reason.
See Fig. 1.The gas hood ventilating system in a kind of papermaking dry portion of the present embodiment, comprise for the gas hood 2 of coated drying section 1, the first row blower fan 3 be connected with the output of gas hood 2, the vapour/gas heat reclamation device 4 be connected with the output of first row blower fan 3, the second row blower fan 5 be connected with the output of vapour/gas heat reclamation device 4, the air heating apparatus 6 be connected with the output of second row blower fan 5, the blower mechanism that is connected with the output of air heating apparatus 6, and comprise the steam raising plant 7 be connected with air heating apparatus 6; Wherein, the 4th pneumatic cut-off ball valve 105 is provided with between steam raising plant 7 and air heating apparatus 6.
Wherein, blower mechanism comprises the blow box 8 be arranged in drying section 1, and the blower 9 be connected with blow box 8; Blower 9 is connected with the output of air heating apparatus 6.
In the present embodiment, gas hood 2 comprises the upper gas hood 21 be arranged at above drying section 1, and is arranged at the lower gas hood 22 below drying section 1; Upper gas hood 21 is connected with first row blower fan 3 respectively with lower gas hood 22.Steam in drying section 1 passes to first row blower fan 3 by upper gas hood 21 and lower gas hood 22, and then is passed in vapour/gas heat reclamation device 4.
In the present embodiment, drying section 1 comprises row's cylinder group and lower row's cylinder group; Blow box 8 is provided with between each drying cylinder 11 in upper row's cylinder group and lower row's cylinder group; Wherein, blow box 8 is set to pocket type blow box, thus can improve airflow effects.Each blow box 8 is all connected with blower 9.Owing to being provided with blow box 8 between each drying cylinder 11, thus the aridity of drying section 1 pair of paper web drying can be improved.
In the present embodiment, air heating apparatus 6 is also connected with condensate water recovery device 10.This condensate water recovery device 10 is for reclaiming the condensed water of air heating apparatus 6.Wherein, the first pneumatic cut-off ball valve 101, drain valve 102 and the second pneumatic cut-off ball valve 103 is disposed with between air heating apparatus 6 and condensate water recovery device 10.
In the present embodiment, the top of drying section 1 is provided with shower 12, and shower 12 is connected with the output of steam raising plant 7; Shower 12 is arranged in gas hood 2.Wherein, the 3rd pneumatic cut-off ball valve 104 is provided with between steam raising plant 7 and shower 12.Steam is passed into shower 12 and is used for spraying paper web by steam raising plant 7.
In the present embodiment, vapour/gas heat reclamation device 4 is also connected with filter 41 and air intake vent 42 in turn.Outside air enters filter 41 by air intake vent 42, and the air after filter 41 filters is passed into vapour/gas heat reclamation device 4 again.
In the present embodiment, between second row blower fan 5 and air heating apparatus 6, be provided with pressure transmitter 51.The steam pressure that this pressure transmitter 51 is discharged for detecting second row blower fan 5.
In the present embodiment, between air heating apparatus 6 and blower mechanism, be provided with temperature transmitter 61.The temperature of hot-air of this temperature transmitter 61 for detecting air heating apparatus 6 and exporting toward blower mechanism.
The gas hood ventilating system in papermaking dry portion of the present utility model, owing to comprising the gas hood 2 for coated drying section 1, the first row blower fan 3 be connected with the output of gas hood 2, the vapour be connected with the output of first row blower fan 3/gas heat reclamation device 4, more than being produced by shower 12 spraying steam in drying section 1, vapour is input to vapour/gas heat reclamation device 4 by first row blower fan 3, the steam that vapour/gas heat reclamation device 4 reclaims is input to air heating apparatus 6 for generation of hot-air by second row blower fan 5, the hot-air produced carries out drying for drying section 1 pair of paper web, thus make this gas hood ventilating system to reduce steam consumption.
Finally should be noted that; the restriction of above embodiment only for illustration of the technical solution of the utility model but not to the utility model protection domain; although be explained in detail the utility model with reference to preferred embodiment; those of ordinary skill in the art is to be understood that; can modify to the technical solution of the utility model or equivalent replacement, and not depart from essence and the scope of technical solutions of the utility model.
Claims (10)
1. the gas hood ventilating system in a papermaking dry portion, it is characterized in that: comprise for the gas hood of coated drying section, the first row blower fan be connected with the output of described gas hood, the vapour/gas heat reclamation device be connected with the output of described first row blower fan, the second row blower fan be connected with the output of described vapour/gas heat reclamation device, the air heating apparatus be connected with the output of described second row blower fan, the blower mechanism that is connected with the output of described air heating apparatus, and comprise the steam raising plant be connected with described air heating apparatus;
Described blower mechanism comprises the blow box be arranged in drying section, and the blower be connected with described blow box; Described blower is connected with the output of described air heating apparatus.
2. the gas hood ventilating system in a kind of papermaking dry portion according to claim 1, is characterized in that: described gas hood comprises the upper gas hood be arranged at above drying section, and is arranged at the lower gas hood below drying section; Described upper gas hood is connected with described first row blower fan respectively with described lower gas hood.
3. the gas hood ventilating system in a kind of papermaking dry portion according to claim 1, is characterized in that: described drying section comprises row's cylinder group and lower row's cylinder group; Described blow box is provided with between each drying cylinder in described upper row's cylinder group and described lower row's cylinder group; Each described blow box is all connected with described blower.
4. the gas hood ventilating system in a kind of papermaking dry portion according to claim 1, is characterized in that: described air heating apparatus is also connected with condensate water recovery device.
5. the gas hood ventilating system in a kind of papermaking dry portion according to claim 4, is characterized in that: be disposed with the first pneumatic cut-off ball valve, drain valve and the second pneumatic cut-off ball valve between described air heating apparatus and described condensate water recovery device.
6. the gas hood ventilating system in a kind of papermaking dry portion according to claim 1, it is characterized in that: the top of described drying section is provided with shower, described shower is connected with the output of described steam raising plant; Described shower is arranged in described gas hood.
7. the gas hood ventilating system in a kind of papermaking dry portion according to claim 1, is characterized in that: described vapour/gas heat reclamation device is also connected with filter and air intake vent in turn.
8. the gas hood ventilating system in a kind of papermaking dry portion according to claim 1, is characterized in that: be provided with pressure transmitter between described second row blower fan and described air heating apparatus.
9. the gas hood ventilating system in a kind of papermaking dry portion according to claim 1, is characterized in that: be provided with temperature transmitter between described air heating apparatus and described blower mechanism.
10. the gas hood ventilating system in a kind of papermaking dry portion according to claim 1, is characterized in that: described blow box is set to pocket type blow box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420686852.6U CN204251955U (en) | 2014-11-17 | 2014-11-17 | A kind of gas hood ventilating system of papermaking dry portion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420686852.6U CN204251955U (en) | 2014-11-17 | 2014-11-17 | A kind of gas hood ventilating system of papermaking dry portion |
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| Publication Number | Publication Date |
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| CN204251955U true CN204251955U (en) | 2015-04-08 |
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ID=52956280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420686852.6U Active CN204251955U (en) | 2014-11-17 | 2014-11-17 | A kind of gas hood ventilating system of papermaking dry portion |
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| CN (1) | CN204251955U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106894276A (en) * | 2017-03-06 | 2017-06-27 | 高佳 | A kind of drying unit of paper production line |
| CN114108379A (en) * | 2021-12-13 | 2022-03-01 | 维达纸业(浙江)有限公司 | Manufacturing process and manufacturing equipment of flexible paper towel |
| CN114395936A (en) * | 2022-02-14 | 2022-04-26 | 湖南正鼎环境保护工程有限责任公司 | Hot air hood for paper machine and installation method thereof |
-
2014
- 2014-11-17 CN CN201420686852.6U patent/CN204251955U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106894276A (en) * | 2017-03-06 | 2017-06-27 | 高佳 | A kind of drying unit of paper production line |
| CN106894276B (en) * | 2017-03-06 | 2018-05-08 | 周瑛 | A kind of drying unit of paper production line |
| CN114108379A (en) * | 2021-12-13 | 2022-03-01 | 维达纸业(浙江)有限公司 | Manufacturing process and manufacturing equipment of flexible paper towel |
| CN114108379B (en) * | 2021-12-13 | 2022-05-31 | 维达纸业(浙江)有限公司 | Manufacturing process and manufacturing equipment of flexible paper towel |
| CN114395936A (en) * | 2022-02-14 | 2022-04-26 | 湖南正鼎环境保护工程有限责任公司 | Hot air hood for paper machine and installation method thereof |
| CN114395936B (en) * | 2022-02-14 | 2024-03-15 | 湖南正鼎环境科技有限公司 | Hot air hood for paper machine and installation method thereof |
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| GR01 | Patent grant |