CN207597104U - A kind of comprehensive utilization system for heat energy for being used to drying and taking off drift process - Google Patents
A kind of comprehensive utilization system for heat energy for being used to drying and taking off drift process Download PDFInfo
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- CN207597104U CN207597104U CN201721696480.5U CN201721696480U CN207597104U CN 207597104 U CN207597104 U CN 207597104U CN 201721696480 U CN201721696480 U CN 201721696480U CN 207597104 U CN207597104 U CN 207597104U
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- drying
- deoxidizing
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Abstract
The utility model discloses a kind of for drying and taking off the comprehensive utilization system for heat energy of drift process, belong to nonwoven production technical field.The system includes boiler, drying cylinder drying unit, hydrophobic valve group, de- bleaching device, device for deoxidizing, takes off drift water feeding tank, gas-liquid separation device and for the heat exchanger for de- drift water feeding tank heat supply, device for deoxidizing is connect by pipeline with boiler, boiler, drying cylinder drying unit and hydrophobic valve group are sequentially connected by pipeline, and de- bleaching device is connect by pipeline with de- drift water feeding tank；The import of gas-liquid separation device is connect by pipeline with hydrophobic valve group, and liquid outlet is connect by pipeline with device for deoxidizing, and the import of gas outlet, heat exchanger and gas-liquid separation device is sequentially connected by pipeline.The system is the condensation water recovery system of total closed type, and whole process is completely closed, and high-temperature water is directly transported into device for deoxidizing, eliminates the emission loss of indirect steam, does not waste any thermal energy, compared with unrecovered condensate system, energy saving more than 15%.
Description
Technical field
The utility model belongs to non-woven fabrics processing technique field, more particularly to a kind of thermal energy for being used to drying and taking off drift process
A kind of condensed water after utilization system more particularly to energy recycling drying as boiler replenishing water and recycles the lack of gas after drying
Thermal energy is the comprehensive utilization system for heat energy of de- drift ice heating.
Background technology
Non-woven cotton is dried after bleaching, and the heat source that stoving process uses is water vapour.Drying is set
Standby liquefy at work, after water vapour heat release forms condensed water in high temperature, and dryer uses " in line " pattern by the high temperature in drying cylinder
Condensed water discharges completely.According to the pressure of drying cylinder, the temperature of this part water generally reaches 150 DEG C or so, and a large amount of thermal energy are with us
" white gas " form that naked eyes can be shown in is distributed into air and is wasted.High-temperature condensation water is directly discharged to sewerage, heat source and
Water resource wastes.Therefore, the energy of this part of Collection utilization is imperative for Reducing Cost in Enterprises.
Invention content
The utility model embodiment provides a kind of comprehensive utilization system for heat energy for being used to drying and taking off drift process, the system
For the condensation water recovery system of total closed type, steam is conveyed from boiler-steam pipe network-drying unit-draining system-recycling
System-device for deoxidizing-boiler, whole process is completely closed, and high-temperature water is directly transported into device for deoxidizing, eliminates indirect steam
Emission loss, do not waste any thermal energy, compared with unrecovered condensate system, energy saving more than 15%.The technical solution
It is as follows：
The utility model embodiment provides a kind of comprehensive utilization system for heat energy for being used to drying and taking off drift process, including pot
Stove, drying cylinder drying unit, hydrophobic valve group, de- bleaching device, device for deoxidizing, de- drift water feeding tank, gas-liquid separation device and for being de-
The heat exchanger of water feeding tank heat supply is floated, the device for deoxidizing connect by pipeline with boiler, the boiler, drying cylinder drying unit and thin
Water valve group is sequentially connected by pipeline, and the de- bleaching device is connect by pipeline with de- drift water feeding tank；The gas-liquid separation device
Import connect by pipeline with hydrophobic valve group, liquid outlet is connect by pipeline with device for deoxidizing, gas outlet, heat exchanger with
The import of gas-liquid separation device is sequentially connected by pipeline.
Preferably, the hydrophobic valve group in the utility model embodiment includes multiple without pump back pressure steam drain valve.
Preferably, the heat exchanger in the utility model embodiment is heat pump heating device.
Further, temperature sensor and auxiliary heating dress are equipped in the de- drift water feeding tank in the utility model embodiment
It puts.
Wherein, what is provided in the utility model embodiment also wraps for drying and taking off the comprehensive utilization system for heat energy of drift process
Demineralized water treatment device is included, the device for deoxidizing and de- drift water feeding tank are connect by pipeline with demineralized water treatment device.
Further, the gas outlet of the gas-liquid separation device in the utility model embodiment also passes through pipeline and device for deoxidizing
Connection.
The advantageous effect brought of technical solution that the utility model embodiment provides is：The utility model embodiment provides
A kind of comprehensive utilization system for heat energy for being used to drying and taking off drift process, the system have as follows a little：
(1) condensed water is pure distilled water, and a large amount of water rates and boiler cleaning expense can be saved by being recycled；
(2) after condensing hot air furnace, boiler soft water magnitude of recruitment will be reduced, reduces a large amount of water process expenses；
(3) water quality of boiler feedwater is improved, quality of steam can be improved, while reduce boiler blow-off, directly save the energy
It is lost in；
(4) boiler feed temperature improves, and water oxygen level is reduced, and can effectively prevent the rust of boiler, equipment and steam pipe network
Erosion due to the reduction of air, increases heat transfer rate, improves device efficiency；
(5) boiler feed temperature improves, and reduces the thermal (temperature difference) stress of feed pipe and drum junction, extends equipment and uses the longevity
Life；
(6) boiler replenishing water and water temperature difference in stove are small, and steam pressure is made relatively to stablize, and the time of boiler for producing steam shortens, band
Load-bearing capacity improves；
(7) boiler replenishing water temperature improves, and reduces the thermal energy needed for the production of unit steam, directly saves a large amount of fuel and disappear
Consumption, is greatly reduced production cost；
(8) boiler is producing same amount steam, because saving a large amount of fuel, so as to effectively reduce pernicious gas and particle
The discharge of object, it is energy-saving and environment-friendly；
(9) after condensing hot air furnace, the discharge of no indirect steam eliminates the thermal pollution of steam, so as to greatly improve work
Make environment, promote corporate image.
Description of the drawings
Fig. 1 is the principle for the comprehensive utilization system for heat energy for being used to dry and take off drift process that the utility model embodiment provides
Block diagram；
Fig. 2 is the structure for the comprehensive utilization system for heat energy for being used to dry and take off drift process that the utility model embodiment provides
Schematic diagram.
Specific embodiment
It is new to this practicality below in conjunction with attached drawing to make the purpose of this utility model, technical solution and advantage clearer
Type is described in further detail.
Referring to Fig. 1 and 2, the utility model embodiment provides a kind of heat integration for being used to drying and taking off drift process
System, the system include boiler, drying cylinder drying unit（Can be multiple）, hydrophobic valve group, de- bleaching device, device for deoxidizing, de- drift
Water feeding tank, gas-liquid separation device and for heat exchanger for de- drift water feeding tank heat supply etc..Wherein, device for deoxidizing passes through pipeline and pot
Stove connection is used to provide anaerobic soft water for boiler；Boiler, drying cylinder drying unit and hydrophobic valve group are sequentially connected by pipeline and are used for
Realize baking operation；De- bleaching device is connect by pipeline with de- drift water feeding tank, and de- drift water feeding tank is used to provide 55 for de- bleaching device
DEG C or so soft water.Wherein, the gas-liquid separation device in this implementation is used to the output of hydrophobic valve group carrying out gas-liquid separation, respectively
Obtain high-temperature condensation water and lack of gas；The import of gas-liquid separation device is connect by pipeline with hydrophobic valve group, gas-liquid separation device
Liquid outlet is connect by pipeline with device for deoxidizing carries out profit again for isolated high-temperature condensation water to be sent into device for deoxidizing
With（Device for deoxidizing can slough the oxygen in high-temperature condensation water and intermittently to boiler water supply）, the outlet of gas-liquid separation device
The import of mouth, heat exchanger and gas-liquid separation device is sequentially connected by pipeline forms cycle heat exchange structure for using isolated
Lack of gas be de- drift ice heating in de- drift water feeding tank and send the low temperature cold condensate for the condensation that exchanges heat back to gas-liquid separation device.Its
In, heat exchanger can be set in de- drift water feeding tank, can also use other modes as de- drift water feeding tank heat supply.In aforementioned each structure,
The structures such as valve, pump and/or flowmeter on pipeline are set as needed, are well known to those skilled in the art, therefore are omitted
Detailed description.
Preferably, the hydrophobic valve group in the utility model embodiment includes multiple without pump back pressure steam drain valve.It is conventional
Drain valve itself existing for higher leak rate and its easily impaired the deficiencies of then increasing leak rate part.It is and most of
The drain valve of manufacturer-supplied, average life between half a year to 1 year, after long-time service, as abrasion aggravates, leak
Gas rate gradually rises, and waste is more serious, and hydrophobic effect also can be worse and worse.And letting out without pump back pressure steam drain valve
Even if being calculated with 1%, vapour is averagely saved more than 5% than conventional drain valve for leak rate≤0.1%.The valve only there are one movable part-
Hemisphere float.It is that float makees flap again, and also lever amplification acts on, and ensure that sensitivity and the reliability of work.Hemisphere is
Freely, make during work up and down and rotary motion, valve spherical surface and nozzle random seal in opening-closing process have disperseed the mill of flap
Damage, ensure that the extra long life of the valve.Hemisphere float is opening, so not being afraid of " water attack ".The valve degree of supercooling is small, draining is smooth,
Substantially increase the steam thermal efficiency of gas utilization unit.
Preferably, the heat exchanger in the utility model embodiment is heat pump heating device, and heat pump heating device is set on de- drift
In water feeding tank.Heat pump heating device can fully recycle the thermal energy in lack of gas, flow back to the temperature of the low temperature cold condensate of gas-liquid separation device
Degree can be controlled in 10 DEG C or so.
Further, temperature sensor is equipped in the de- drift water feeding tank in the utility model embodiment（Or thermometer）With it is auxiliary
Help heating unit（Coordinate with temperature sensor and heat pump heating device, manually or automatically control water temperature）.Temperature sensor is used for
Ensure that the de- drift ice of de- drift water feeding tank is heated to 55 DEG C or so, assisted heating device is used for the supplemental heat in lack of gas heat supply deficiency
Amount makes de- drift ice be heated to 55 DEG C or so, and assisted heating device is specifically as follows steam jacket or electric heater（It is preferred that）.
Wherein, referring to Fig. 1, provided in the utility model embodiment for drying and take off the heat integration for floating process
System further includes demineralized water treatment device for providing soft water, and device for deoxidizing and de- drift water feeding tank are connect by pipeline with demineralized water treatment device.
Certainly, device for deoxidizing and de- drift water feeding tank also can respectively be equipped with a set of demineralized water treatment device.
Further, referring to Fig. 1 and 2, the gas outlet of the gas-liquid separation device in the utility model embodiment also passes through pipe
Road is connect with device for deoxidizing when reaching predetermined temperature for the de- drift ice in de- drift water feeding tank, stop to heat exchanger gas supply and incite somebody to action
The lack of gas of separation are sent into device for deoxidizing and preheat deoxygenated water.Specifically, the gas outlet of gas-liquid separation device divides two-way to export, all the way
（It which is provided with control valve）It exports to device for deoxidizing, another way（It which is provided with control valve）It exports to heat exchanger.
The course of work of this system is illustrated with reference to Fig. 1 and 2：
(1) Boiler Steam（174℃）The high-temperature condensation water formed after steam heat release after drying cylinder drying unit and steam exhaust
Gas-liquid separation device is flowed to by hydrophobic valve group.
(2) main function of gas-liquid separation device is to recycle the high-temperature condensation water that comes of drain valve, high-temperature condensation water and weary
Vapour carries out steam-water separation wherein.Specifically, gas density is smaller than water density, and high temperature steam exhaust is at the top of gas-liquid separation device
（Top is equipped with gas outlet）, the condensed water of liquid is in the bottom of gas-liquid separation device（Bottom is equipped with liquid outlet）.
(3) it is to take off drift water feeding tank heat supply, lack of gas that the high temperature steam exhaust of gas-liquid separation device output, which is sent into heat pump heating device,
It is condensed after heat exchange, low temperature cold condensate will be flowed in gas-liquid separation device again；Heat pump heating device can send thermal energy constantly " pump "
Into water, gradually rise the water temperature in de- drift water feeding tank, finally reach 55 DEG C or so for take off drift process, i.e. heat pump dress
Thermal energy can be made full use of by putting.
(4) high-temperature condensation water of gas-liquid separation device output is used as boiler benefit after water pump lifting to boiler room deoxygenation
Water.
The utility model embodiment provides a kind of comprehensive utilization system for heat energy for being used to drying and taking off drift process, the system
With as follows a little：
(1) condensed water is pure distilled water, and a large amount of water rates and boiler cleaning expense can be saved by being recycled；
(2) after condensing hot air furnace, boiler soft water magnitude of recruitment will be reduced, reduces a large amount of water process expenses；
(3) water quality of boiler feedwater is improved, quality of steam can be improved, while reduce boiler blow-off, directly save the energy
It is lost in；
(4) boiler feed temperature improves, and water oxygen level is reduced, and can effectively prevent the rust of boiler, equipment and steam pipe network
Erosion due to the reduction of air, increases heat transfer rate, improves device efficiency；
(5) boiler feed temperature improves, and reduces the thermal (temperature difference) stress of feed pipe and drum junction, extends equipment and uses the longevity
Life；
(6) boiler replenishing water and water temperature difference in stove are small, and steam pressure is made relatively to stablize, and the time of boiler for producing steam shortens, band
Load-bearing capacity improves；
(7) boiler replenishing water temperature improves, and reduces the thermal energy needed for the production of unit steam, directly saves a large amount of fuel and disappear
Consumption, is greatly reduced production cost；
(8) boiler is producing same amount steam, because saving a large amount of fuel, so as to effectively reduce pernicious gas and particle
The discharge of object, it is energy-saving and environment-friendly；
(9) after condensing hot air furnace, the discharge of no indirect steam eliminates the thermal pollution of steam, so as to greatly improve work
Make environment, promote corporate image.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all in this practicality
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (6)
1. it is a kind of for drying and taking off the comprehensive utilization system for heat energy of drift process, including boiler, drying cylinder drying unit, drain valve
Group, de- bleaching device, device for deoxidizing and de- drift water feeding tank, the device for deoxidizing are connect by pipeline with boiler, the boiler, drying cylinder
Drying unit and hydrophobic valve group are sequentially connected by pipeline, and the de- bleaching device is connect by pipeline with de- drift water feeding tank；It is special
Sign is, the system also includes gas-liquid separation device and for the heat exchanger for de- drift water feeding tank heat supply, the gas-liquid separation
The import of device is connect by pipeline with hydrophobic valve group, and liquid outlet is connect by pipeline with device for deoxidizing, gas outlet, heat exchange
The import of device and gas-liquid separation device is sequentially connected by pipeline.
2. the comprehensive utilization system for heat energy according to claim 1 for being used to drying and taking off drift process, which is characterized in that described
Hydrophobic valve group includes multiple without pump back pressure steam drain valve.
3. the comprehensive utilization system for heat energy according to claim 1 for being used to drying and taking off drift process, which is characterized in that described
Heat exchanger is heat pump heating device.
4. the comprehensive utilization system for heat energy according to claim 1 for being used to drying and taking off drift process, which is characterized in that described
Temperature sensor and assisted heating device are equipped in de- drift water feeding tank.
5. the comprehensive utilization system for heat energy according to claim 1 for being used to drying and taking off drift process, which is characterized in that described
System further includes demineralized water treatment device, and the device for deoxidizing and de- drift water feeding tank are connect by pipeline with demineralized water treatment device.
6. it is used to dry and take off the comprehensive utilization system for heat energy of drift process, feature according to claim 1-5 any one of them
It is, the gas outlet of the gas-liquid separation device is also connect by pipeline with device for deoxidizing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721696480.5U CN207597104U (en) | 2017-12-08 | 2017-12-08 | A kind of comprehensive utilization system for heat energy for being used to drying and taking off drift process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721696480.5U CN207597104U (en) | 2017-12-08 | 2017-12-08 | A kind of comprehensive utilization system for heat energy for being used to drying and taking off drift process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207597104U true CN207597104U (en) | 2018-07-10 |
Family
ID=62763499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721696480.5U Active CN207597104U (en) | 2017-12-08 | 2017-12-08 | A kind of comprehensive utilization system for heat energy for being used to drying and taking off drift process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207597104U (en) |
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2017
- 2017-12-08 CN CN201721696480.5U patent/CN207597104U/en active Active
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