CN208844357U - A kind of paper industry steam dryer line energy saving system - Google Patents
A kind of paper industry steam dryer line energy saving system Download PDFInfo
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- CN208844357U CN208844357U CN201821137792.7U CN201821137792U CN208844357U CN 208844357 U CN208844357 U CN 208844357U CN 201821137792 U CN201821137792 U CN 201821137792U CN 208844357 U CN208844357 U CN 208844357U
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Abstract
The utility model discloses a kind of paper industry steam dryer line energy saving systems comprising: steam jetting circulation unit, carbonated drink recycling flash evaporation unit, draining resistance vapour unit.The system eliminates papermaking drying line steam dryer inner product water problems, accelerate rate flow of the carbonated drink in drying cylinder, improve drying efficiency and drying effect, and thermal energy in local use condensed water, reduce the temperature that condensed water is discharged from system, utilization efficiency of heat energy is improved, effects of energy saving and emission reduction is reached, is also beneficial to extend equipment life.In addition, the system mitigates its operating weight because eliminating drying cylinder inside ponding, the power consumption of drying line is reduced.The steam inlet and condensation-water drain of the system and drying line connect.
Description
Technical field
The utility model is a kind of paper industry steam dryer line energy saving system, belongs to paper industry energy-saving field.
Background technique
In paper industry, carrying out drying to paper with steam dryer is one of very important process, which is entire
Main steam consumption unit in production line, therefore the process is not only related to the quality and production efficiency of paper, also with enterprise
Energy-saving and emission-reduction have direct relation.All the time, drying cylinder type steam drying machine is because reasons in structure causes equipment ponding and leaks vapour two
Problem long-term existence, lead to that this kind of equipment or internal ponding, drying efficiency reduce, influence product quality, power consumption increases and
Shortened equipment life or leaked steam, waste of energy and increase discharge amount.For there is the paper mill of a large amount of steam dryers, on
Face problem is bigger to losing caused by enterprise.The paper industry steam dryer line energy saving system of the utility model specially solves
Problem above realizes the energy efficiency of paper industry drying cylinder steam drying line.
Summary of the invention
In order to solve existing issue, the purpose of this utility model is to provide a kind of paper industry steam dryer lines efficiently to save
It can system.
The utility model is achieved through the following technical solutions: a kind of energy-efficient system of paper industry steam dryer line
System, comprising: steam jetting circulation unit 1, carbonated drink recycling flash evaporation unit 2, draining resistance vapour unit 3, second steam spraying cycle list
Member 4, second level carbonated drink recycling flash evaporation unit 5, Municipal secondary effluent hinder vapour unit 6.The steam jetting circulation unit 1 is used to carbonated drink
First group of drying cylinder is supplied after the low-pressure steam pressure-raising that recycling flash evaporation unit 2 exports, and accelerates steam water interface in this group of drying cylinder
Flowing velocity；Carbonated drink recycling flash evaporation unit 2 receives the mixture of condensed water and residual steam from first group of drying cylinder, cold
The secondary steam that condensate flash distillation generates leads to steam jetting circulation unit 1 with the remaining vapour emerged from the first cylinder group；The row
Carbonated drink is recycled the condensed water in flash evaporation unit 2 and is discharged to second level carbonated drink recycling flash evaporation unit 5 by water resistance vapour unit 3, while preventing vapour
Water recycles the steam leakage in flash evaporation unit 2；The second steam injection unit 4 is used to second level carbonated drink recycling flash evaporation unit
Second group of drying cylinder is supplied after the low-pressure steam pressure-raising of 5 discharges, and accelerates the flowing velocity of steam water interface in second group of drying cylinder；Institute
Carbonated drink recycling flash evaporation unit 5 is stated to receive the steam water interface from second group of drying cylinder and drain the condensed water that resistance vapour unit 3 is discharged,
The secondary steam that condensed water flash generates leads to second steam spraying cycle unit 4 together with the remaining vapour from second group of drying cylinder；
Carbonated drink is recycled the condensed water in flash evaporation unit 5 and is discharged by the Municipal secondary effluent resistance vapour unit 6, while steam being prevented to leak.
Steam jetting circulation unit 1 and 4 all includes steam injection unit, electric and pneumatic actuator, control unit, pressure
Sensor and mating valve, pipe fitting.The higher steam of steam jetting circulation unit high pressure entry cut-in pressure, and recycled from carbonated drink
Draws low pressure steam at the top of flash evaporation unit supplies steam dryer group after internal mix generates middle pressure steam.
The main component of draining resistance vapour unit 3 and 6 is mechanical drain valve, can also use liquid level sensor, regulating valve
With the level control drainage pattern of controller composition.
As the improvement of the utility model, increase mass dryness fraction lift unit and steam-flow meter in main steam header road.
Main steam header road end installs automatic-discharging device of air additional as a further improvement of the utility model,.
The utility model has the advantages that: 1, vapour lock and ponding problem inside drying cylinder are eliminated, drying efficiency and effect are improved
Fruit improves product quality and improves production efficiency；2, ponding is eliminated inside drying cylinder, is avoided water hammer, is alleviated corrosion, dryer
Service life extends；3, ponding is eliminated inside drying cylinder, and drying cylinder total weight mitigates, and is reduced power consumption, is also avoided due to overload
Damage machine；4, the steam emerged in drying cylinder has been recycled, waste of steam is reduced；5, to the condensed water generated after steam heat release
Middle thermal energy local use improves utilization efficiency of heat energy；6, equipment steam consumption quantity reduces, and reaches effects of energy saving and emission reduction.
Detailed description of the invention
Fig. 1 is a kind of paper industry steam dryer line energy saving system of the utility model；
In figure: 1-steam jetting circulation unit；2-carbonated drinks recycle flash evaporation unit；3-draining resistance vapour units；4-second levels
Steam jetting circulation unit；5-second level carbonated drinks recycle flash evaporation unit；6-Municipal secondary effluents hinder vapour unit.
Specific embodiment
With reference to the accompanying drawing 1, specific embodiment of the present utility model is explained in detail and is illustrated.It should be appreciated that herein
The concrete case of description is only used to explain the present invention, is not intended to limit the present invention.
The utility model provides a kind of paper industry steam dryer line energy saving system, including steam jetting circulation unit
1, carbonated drink recycling flash evaporation unit 2, draining resistance vapour unit 3, second steam spraying cycle unit 4, second level carbonated drink recycle flash evaporation unit
5, Municipal secondary effluent hinders vapour unit 6.High steam enters from the high pressure entry of steam jetting circulation unit 1, and the is entered after pressure regulation
One group of drying cylinder, after the condensed water and residual steam mixture of cylinder group discharge enter carbonated drink recycling flash evaporation unit 2, condensed water dodges
It steams the secondary steam generated to be discharged at the top of carbonated drink recycling flash evaporation unit 2 with the remaining vapour from cylinder group, by spraying cycle unit 1
It is sucked from low-pressure inlet and returns first group of drying cylinder after boosting, meanwhile, steam jetting circulation unit 1 is by the condensation in cylinder group
Water is sucked out in time；The condensed water not flashed in the carbonated drink recycling flash evaporation unit 2 enters second level after being discharged by draining resistance vapour unit 3
Carbonated drink recycles flash evaporation unit 5, and the condensed water of second group of drying cylinder discharge also enters second level carbonated drink recycling flash evaporation unit 5, this two parts
Condensed water in second level carbonated drink recycling flash evaporation unit 5 flash steam that generates together with from the residual steam that second group of drying cylinder is emerged from
The top of second level carbonated drink recycling flash evaporation unit 5 is returned to second group of drying cylinder again after the sucking boosting of second steam spraying cycle unit 4
Secondary utilization, high steam enter from the high pressure entry of second steam spraying cycle unit 4；The second level carbonated drink recycles flash evaporation unit
The condensed water not flashed inside 5 is discharged through Municipal secondary effluent resistance vapour unit 6.
Draining resistance vapour unit 3 and 6 uses mechanical drain valve and mating valve.Condensed water is timely by mechanical drain valve
Discharge, and steam is prevented from.Another method is the liquid level sensor and its outlet at bottom installed on carbonated drink recycling flash evaporation unit
The regulating valve of installation carrys out coordinated control by controller unit, achievees the effect that hydrophobic resistance vapour.
Turn down the outlet pressure of second steam spraying cycle unit 4 as far as possible in the case where guaranteeing that technique requires.
According to stoving process temperature requirement, steam dryer can be divided into high, medium and low three groups even more multiple groups, be every group
Drying cylinder configures corresponding steam jetting circulation unit, carbonated drink recycling flash evaporation unit, draining resistance vapour unit, and upper level draining resistance
The outlet of vapour unit accesses adjacent next stage carbonated drink and recycles flash evaporation unit, carries out cascade utilization to thermal energy in condensed water.
Two cylinder groups or multiple cylinder groups in Fig. 1 belong to a kind of spy of the utility model when all only having a drying cylinder
Example, using same embodiment.
The application of only one drying cylinder is also a kind of special case of the utility model, it that case, steam jetting circulation
Unit 1 and carbonated drink recycling flash evaporation unit 2 use same embodiment, and draining resistance vapour unit 3 exports emptying or is connected to condensation
Water recovery tube.
As a kind of improvement embodiment of the utility model, increase steam quality lift unit in main steam header road to mention
High steam quality is conducive to promote drying efficiency and production efficiency.
As a kind of improvement embodiment of the utility model, increase steam-flow meter in main steam header road, accurate metering is dried
Main line steam consumption quantity, is convenient for energy management and equipment management.
Automatic-discharging device of air is installed additional in main steam header road end as a further improvement of the utility model, is arranged in time
Except incoagulable gas such as air in steam, drying cylinder drying efficiency is improved, also mitigates equipment and is corroded degree.
Claims (5)
1. a kind of paper industry steam dryer line energy saving system, including cylinder group, steam supplying unit, hydrophobic and condensing hot air furnace
Unit, which is characterized in that steam supplying unit, hydrophobic and condensed water recovery unit include: steam jetting circulation unit (1), carbonated drink are returned
Receive flash evaporation unit (2), draining resistance vapour unit (3), before the steam jetting circulation unit (1) is installed on cylinder group, the carbonated drink
After recycling flash evaporation unit (2) is installed on cylinder group, draining resistance vapour unit (3) be installed on carbonated drink recycle flash evaporation unit (2) it
Afterwards.
2. a kind of paper industry steam dryer line energy saving system as described in claim 1, it is characterised in that: steam injection
The high pressure entry of cycling element (1) is communicated with vapour source, the upper end outlet phase of low-pressure inlet and carbonated drink recycling flash evaporation unit (2)
Even, the outlet of steam jetting circulation unit (1) is communicated with the steam inlet of cylinder group.
3. a kind of paper industry steam dryer line energy saving system as described in claim 1, it is characterised in that: the carbonated drink
The entrance for recycling flash evaporation unit (2) is connected with cylinder group outlet, and top exit is connected with steam jetting circulation unit (1), bottom
Portion outlet and draining resistance vapour unit (3) connect.
4. a kind of paper industry steam dryer line energy saving system as described in claim 1, it is characterised in that: the system
It is hindered including second steam spraying cycle unit (4), second level carbonated drink recycling flash evaporation unit (5), Municipal secondary effluent vapour unit (6) and more
The combination of these three units of grade.
5. a kind of paper industry steam dryer line energy saving system as claimed in claim 4, it is characterised in that: the carbonated drink
Recycling flash evaporation unit (2) is connected by draining resistance vapour unit (3) with second level carbonated drink recycling flash evaporation unit (5), for more stages
Combination, upper level carbonated drink recycling flash evaporation unit recycle flash evaporation unit with adjacent next stage carbonated drink by draining resistance vapour unit and are connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821137792.7U CN208844357U (en) | 2018-07-17 | 2018-07-17 | A kind of paper industry steam dryer line energy saving system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821137792.7U CN208844357U (en) | 2018-07-17 | 2018-07-17 | A kind of paper industry steam dryer line energy saving system |
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| Publication Number | Publication Date |
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| CN208844357U true CN208844357U (en) | 2019-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821137792.7U Active CN208844357U (en) | 2018-07-17 | 2018-07-17 | A kind of paper industry steam dryer line energy saving system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111270324A (en) * | 2020-03-13 | 2020-06-12 | 中复神鹰碳纤维有限责任公司 | Method for recycling secondary flash steam of spinning line drying condensate water |
-
2018
- 2018-07-17 CN CN201821137792.7U patent/CN208844357U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111270324A (en) * | 2020-03-13 | 2020-06-12 | 中复神鹰碳纤维有限责任公司 | Method for recycling secondary flash steam of spinning line drying condensate water |
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