CN201915293U - Ventilating system for paper making - Google Patents
Ventilating system for paper making Download PDFInfo
- Publication number
- CN201915293U CN201915293U CN2010206911439U CN201020691143U CN201915293U CN 201915293 U CN201915293 U CN 201915293U CN 2010206911439 U CN2010206911439 U CN 2010206911439U CN 201020691143 U CN201020691143 U CN 201020691143U CN 201915293 U CN201915293 U CN 201915293U
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- CN
- China
- Prior art keywords
- steam
- heat reclamation
- ventilating system
- reclamation device
- communicated
- Prior art date
- 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.)
- Expired - Lifetime
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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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Abstract
A ventilating system for paper making comprises a steam hood, a heat recovery device, an air feeder, an exhaust fan and a steam heater. The steam hood is communicated with the heat recovery device via a pipeline, the air feeder is communicated with the steam hood, the exhaust fan is communicated with the heat recovery device, the heat recovery device is communicated with the steam heater, and the steam heater is communicated with the air feeder. By the aid of the ventilating system, outdoor fresh air at normal temperature enters the waste heat recovery device after being filtered, the temperature of the outdoor fresh air reaches 45 DEG C to 60 DEG C after the outdoor fresh air is preheated by exhausted air of the steam hood at the temperature of 78 DEG C, and is further increased to be 110 DEG C after the preheated outdoor fresh air is heater by the steam heater, the heated outdoor fresh air is delivered to a bottom-layer steam hood and a bag ventilator via the air feeder, steam exhausting efficiency is improved, and accordingly, paper production efficiency is enhanced.
Description
Technical field
The utility model relates to field of energy-saving technology, particularly relates to the papermaking ventilating system.
Background technology
In the technological process of papermaking, drying section need be replaced a large amount of steam and discharge by ventilating system, reaches the purpose of oven dry paper.Because the vapour cover cost of closed is very high, in order to save cost, selects for use the closed vapour cover of plain type relatively to conform with rule.The steam discharge water capacity of vapour cover is generally at 0.1～0.12kg water/kg dry air, delivery temperature is generally 60～70 ℃ of dry-bulb temperatures, 54～58 ℃ of wet-bulb temperature, the every evaporation of paper 1kg water need be discharged the above air of 20kg in this vapour cover, because sealing is poor, the air leak rate of air curtain height has influence on production efficiency, and be easy to generate paper defects, reduced the performance of finished paper.
Summary of the invention
The purpose of this utility model is to avoid weak point of the prior art and a kind of papermaking ventilating system is provided.
The purpose of this utility model realizes by following technical measures.
The papermaking ventilating system comprises vapour cover, heat reclamation device, pressure fan, exhaust blower and steam heater; Described vapour cover and heat reclamation device pass through pipeline connection, described pressure fan is connected with described vapour cover, described exhaust blower is connected with described heat reclamation device, and described heat reclamation device is communicated with described steam heater, and described steam heater is connected with described pressure fan.
Described heat reclamation device also is provided with the air intake pipe, and described air intake pipe is equipped with filter.
Also comprise the spray equipment that is installed on described heat reclamation device.
On the connecting pipe of described heat reclamation device and vapour cover valve is installed.
Described heat reclamation device is set to two, and these two heat reclamation devices are connected with same steam heater.
The utility model makes the outdoor fresh air of normal temperature enter waste-heat recovery device after filtering, after 78 ℃ vapour cover air draft preheating, temperature reaches 45～60 ℃, further improve temperature to 110 ℃ through steam heater again, be transported to bottom vapour cover and bag ventilator by pressure fan, improve steam discharge efficient, thereby improved the production efficiency of paper.
Description of drawings
Utilize accompanying drawing that the utility model is described further, but the content in the accompanying drawing does not constitute any restriction of the present utility model.
Fig. 1 is the structural representation of an embodiment of papermaking ventilating system of the present utility model.
The specific embodiment
The utility model is described in further detail with the following Examples.
An embodiment of papermaking ventilating system of the present utility model comprises vapour cover 1, heat reclamation device 2, pressure fan 3, exhaust blower 4 and steam heater 6 as shown in Figure 1; Described vapour cover 1 passes through pipeline connection with heat reclamation device 2, described pressure fan 3 is connected with described vapour cover 1, described exhaust blower 4 is connected with described heat reclamation device 2, and described heat reclamation device 2 is communicated with described steam heater 6, and described steam heater 6 is connected with described pressure fan 3.
Described heat reclamation device 2 also is provided with the air intake pipe, and described air intake pipe is equipped with filter 7.
Present embodiment also comprises the spray equipment 5 that is installed on described heat reclamation device 2.
On the connecting pipe of described heat reclamation device 2 and vapour cover 1 valve is installed.
Described heat reclamation device 2 is set to two, and these two heat reclamation devices 2 are connected with same steam heater 6.
Should be noted that at last; above embodiment only is used to the technical solution of the utility model is described but not to the restriction of the utility model protection domain; although the utility model has been done detailed description with reference to preferred embodiment; those of ordinary skill in the art is to be understood that; can make amendment or be equal to replacement the technical solution of the utility model, and not break away from the essence and the scope of technical solutions of the utility model.
Claims (5)
1. papermaking ventilating system is characterized in that: comprise vapour cover, heat reclamation device, pressure fan, exhaust blower and steam heater; Described vapour cover and heat reclamation device pass through pipeline connection, described pressure fan is connected with described vapour cover, described exhaust blower is connected with described heat reclamation device, and described heat reclamation device is communicated with described steam heater, and described steam heater is connected with described pressure fan.
2. papermaking ventilating system according to claim 1 is characterized in that: described heat reclamation device also is provided with the air intake pipe, and described air intake pipe is equipped with filter.
3. papermaking ventilating system according to claim 1 is characterized in that: also comprise the spray equipment that is installed on described heat reclamation device.
4. papermaking ventilating system according to claim 1 is characterized in that: on the connecting pipe of described heat reclamation device and vapour cover valve is installed.
5. papermaking ventilating system according to claim 1 is characterized in that: described heat reclamation device is set to two, and these two heat reclamation devices are connected with same steam heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206911439U CN201915293U (en) | 2010-12-31 | 2010-12-31 | Ventilating system for paper making |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206911439U CN201915293U (en) | 2010-12-31 | 2010-12-31 | Ventilating system for paper making |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201915293U true CN201915293U (en) | 2011-08-03 |
Family
ID=44415097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206911439U Expired - Lifetime CN201915293U (en) | 2010-12-31 | 2010-12-31 | Ventilating system for paper making |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201915293U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102154897A (en) * | 2010-12-31 | 2011-08-17 | 东莞理文造纸厂有限公司 | Papermaking ventilating system |
| CN106968126A (en) * | 2017-05-03 | 2017-07-21 | 玖龙纸业（太仓）有限公司 | A kind of wet end of machine exhaust system |
-
2010
- 2010-12-31 CN CN2010206911439U patent/CN201915293U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102154897A (en) * | 2010-12-31 | 2011-08-17 | 东莞理文造纸厂有限公司 | Papermaking ventilating system |
| CN106968126A (en) * | 2017-05-03 | 2017-07-21 | 玖龙纸业（太仓）有限公司 | A kind of wet end of machine exhaust system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110803 |