CN208668162U - A kind of energy-efficient paper machine steam gas hood recovery system - Google Patents
A kind of energy-efficient paper machine steam gas hood recovery system Download PDFInfo
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- CN208668162U CN208668162U CN201821027969.8U CN201821027969U CN208668162U CN 208668162 U CN208668162 U CN 208668162U CN 201821027969 U CN201821027969 U CN 201821027969U CN 208668162 U CN208668162 U CN 208668162U
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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
The utility model relates to toilet paper machine heat energy recycle technical fields, more particularly to a kind of energy-efficient paper machine steam gas hood recovery system, its structure includes drying cylinder and steam gas hood, it further include two groups of main steam circulator for providing steam to steam gas hood and the new wind generation apparatus for supplementing new air in parallel, every group of main steam circulator includes the air duct successively connecting with the air inlet of steam gas hood, pressure fan and main steam heater, and the circulation air hose and exhaust blower that successively connect with the exhaust outlet of steam gas hood；New wind generation apparatus includes waste-heat recovery device, condensation water heater and flash heater.The system makes distribution of steam in steam gas hood more evenly, and to the wet-hot steam progress waste heat recycling and reusing that steam gas hood discharges, substantially increase utilization efficiency of heat energy, reduce the steam consumption of paper machine, saved cost.
Description
Technical field
The utility model relates to toilet paper machine heat energy recycle technical fields, and in particular to a kind of energy-efficient paper machine steam
Gas hood recovery system.
Background technique
Paper industry is big one of the industry of energy consumption, with the improvement of people's environmental awareness, country is more next to environmental requirement
Higher, energy conservation is also the basic of paper industry sustainable development, therefore, how to carry out reducing energy consumption to toilet paper paper machine, is mesh
The research emphasis in preceding toilet paper field.Use natural gas as the energy, natural gas combustion when current toilet paper paper machine drying at present
Air is heated by heat exchanger after burning, is then sent in gas hood and dries page.But natural gas needs special pipeline or vehicle
Transport, danger coefficient is high, and needs special combustion chamber and professional operator；In addition, natural gas is non-renewable money
Source, burning can produce greenhouse gases, cause atmosphere pollution, and expensive.
As an improvement, the prior art uses heating agent of the steam as gas hood, operational safety is greatly improved, after steam heating
Become that condensed water is repeatable to be recycled.However, the equal direct emission of wet-hot steam of steam gas hood discharge, this part of waste heat is not yet
It is able to achieve recycling and reusing, so that production steam consumption is still higher；On the other hand, existing steam gas hood structure design does not conform to
It manages, heat energy distribution is uneven in steam gas hood, causes existing utilization efficiency of heat energy lower above, steam consumption is big, in turn
Production cost is caused to be difficult to control.
Summary of the invention
The purpose of this utility model is that aiming at the shortcomings in the prior art, and a kind of energy-efficient paper machine steam gas hood is provided
Recovery system, the system make in steam gas hood distribution of steam more evenly, and carry out waste heat to the wet-hot steam of steam gas hood discharge
Recycling and reusing substantially increases utilization efficiency of heat energy, reduces the steam consumption of paper machine, has saved cost.
A kind of energy-efficient paper machine steam gas hood recovery system is provided, including drying cylinder and the steam gas hood for covering at drying cylinder, also
Including two groups of main steam circulator for providing steam to steam gas hood and the fresh air hair for supplementing new air in parallel
Generating apparatus, main steam circulator described in every group include the air duct successively connecting with the air inlet of the steam gas hood, air-supply
Machine and main steam heater, and the circulation air hose and exhaust blower that are successively connect with the exhaust outlet of the steam gas hood, the row
First exhaust outlet of blower is connected to the air inlet of the main steam heater；The new wind generation apparatus includes waste heat recycling dress
Set, condense water heater and flash heater, the waste-heat recovery device include exhaust gas inlet, waste gas outlet, fresh inlet and
Fresh air outlet, the exhaust gas inlet of the second exhaust outlet connection waste-heat recovery device of the exhaust blower, the waste-heat recovery device
Fresh air outlet is sequentially connected condensation water heater and flash heater, and the air outlet of the flash heater leads to and the main steam
The fresh inlet of heater connects.
In above-mentioned technical proposal, the air duct and the circulation air hose pass through expansion pipe and steam gas hood company
It connects.
In above-mentioned technical proposal, the steam gas hood includes outer cover, the steam generator being set in outer cover and along baking
Several nozzle boxs of cylinder surfaces distribution, the air inlet of the steam generator are connected to air supply pipe, the steam generator
Gas outlet is connected to the both ends of nozzle box respectively, and the bottom of the nozzle box offers several spray-holes, adjacent nozzle case it
Between form the gap that passes through for return air.
In above-mentioned technical proposal, the waste-heat recovery device includes shell, is set to the intracorporal set of heat exchange tubes of shell and setting
Several spray tubes in upper part of the housing.
In above-mentioned technical proposal, filter screen is provided at the fresh inlet of the shell.
In above-mentioned technical proposal, the lower part of the shell offers discharge outlet.
In above-mentioned technical proposal, control valve is provided in the air duct.
The utility model has the beneficial effects that
A kind of energy-efficient paper machine steam gas hood recovery system of the utility model, including drying cylinder and the steam for covering at drying cylinder
Gas hood further includes two groups of parallel connections for providing the main steam circulator of steam to steam gas hood and for supplementing new air
New wind generation apparatus, every group of main steam circulator include the air duct successively connecting with the air inlet of steam gas hood, pressure fan
With main steam heater, and the circulation air hose and exhaust blower that are successively connect with the exhaust outlet of steam gas hood, the first of exhaust blower
Exhaust outlet is connected to the air inlet of main steam heater；New wind generation apparatus include waste-heat recovery device, condensation water heater and
Flash heater, waste-heat recovery device include that exhaust gas inlet, waste gas outlet, fresh inlet and fresh air export, and the second of exhaust blower
Exhaust outlet connect waste-heat recovery device exhaust gas inlet, waste-heat recovery device fresh air outlet be sequentially connected condensation water heater and
Flash heater, the air outlet of flash heater is logical to be connect with the fresh inlet of main steam heater.Using the above structure, steam
Wet-hot steam a part of gas hood discharge is back to steam gas hood and continuous circulating-heating, steam gas hood row by recycling air hose again
The wet-hot steam of another part out enters new wind generation apparatus, carries out heat exchange first with waste-heat recovery device and fresh air, makes
To improve benefit air temperature, the fresh air after heating first passes through condensation water heater and carries out pre- heat abstraction condensed water for fresh air heating,
Then main steam heater is delivered to by air duct again after flash heater flash distillation heating, is mentioned due to mending air temperature
Height, and then steam consumption is greatly reduced, the drying capacity of paper machine is further improved, energy-saving effect is significant.
Detailed description of the invention
Using attached drawing, the utility model is described in further detail, but the embodiment in attached drawing is not constituted to the utility model
Any restrictions for those of ordinary skill in the art without creative efforts, can also be according to following attached
Figure obtains other attached drawings.
Fig. 1 is a kind of structural schematic diagram of energy-efficient paper machine steam gas hood recovery system of the utility model.
Fig. 2 is a kind of structure of the main steam circulator of energy-efficient paper machine steam gas hood recovery system of the utility model
Schematic diagram.
Fig. 3 is that a kind of partial structurtes of the steam gas hood of energy-efficient paper machine steam gas hood recovery system of the utility model are shown
It is intended to.
Fig. 4 is that a kind of structure of the waste-heat recovery device of energy-efficient paper machine steam gas hood recovery system of the utility model is shown
It is intended to.
Fig. 5 is a kind of another angle of the waste-heat recovery device of energy-efficient paper machine steam gas hood recovery system of the utility model
The structural schematic diagram of degree.
Appended drawing reference:
Steam gas hood 1, spray-hole 111, gap 12；
Main steam heater 2, air duct 3, pressure fan 4, exhaust blower 5；
Exhaust gas inlet 61, waste gas outlet 62, fresh inlet 63, fresh air outlet 64, set of heat exchange tubes 65, spray tube 66, draining
Mouth 67, filter screen 68；
Condense water heater 7, flash heater 8, circulation air hose 9；
Drying cylinder 10, main steam circulator 20, new wind generation apparatus 30, expansion pipe 40.
Specific embodiment
The utility model is further described with the following Examples.
A kind of energy-efficient paper machine steam gas hood recovery system of the present embodiment, as depicted in figs. 1 and 2, including 10 He of drying cylinder
The steam gas hood 1 for covering at drying cylinder 10 further includes that two groups of main steam circulations for providing steam to steam gas hood 1 in parallel fill
Set 20 and the new wind generation apparatus 30 for supplementing new air, every group of main steam circulator 20 include successively with steam gas hood 1
Air inlet connection air duct 3, pressure fan 4 and main steam heater 2, and successively connect with the exhaust outlet of steam gas hood 1
Circulation air hose 9 and exhaust blower 5, the first exhaust outlet of exhaust blower 5 is connected to the air inlet of main steam heater 2；Fresh air occurs
Device 30 includes waste-heat recovery device 6, condensation water heater 7 and flash heater 8, and waste-heat recovery device 6 includes exhaust gas inlet
61, waste gas outlet 62, fresh inlet 63 and fresh air outlet 64, the second exhaust outlet connection waste-heat recovery device 6 of exhaust blower 5 give up
The fresh air outlet 64 of gas import, waste-heat recovery device 6 is sequentially connected condensation water heater 7 and flash heater 8, flash heater
8 air outlet is logical to be connect with the fresh inlet of main steam heater 2.Using the above structure, the wet-hot steam that steam gas hood 1 is discharged
A part is back to steam gas hood 1 and continuous circulating-heating by circulation air hose 9 again, another part that steam gas hood 1 is discharged
Wet-hot steam enters new wind generation apparatus 30, carries out heat exchange first with waste-heat recovery device 6 and fresh air, make fresh air heating to
Benefit air temperature is improved, the fresh air after heating first passes through condensation water heater 7 and carries out pre- heat abstraction condensed water, then adds through flash distillation
Main steam heater 2 is delivered to by air duct 3 again after the hot flash distillation of device 8 heating, is improved due to mending air temperature, Jin Er great
Steam consumption is reduced greatly, further improves the drying capacity of paper machine, energy-saving effect is significant.
Air duct 3 and circulation air hose 9 are connect with steam gas hood 1 by expansion pipe 40, which can be with
Temperature and the quantity of steam of steam and carry out telescopic moving.It is provided with control valve in air duct 3, for controlling the flow of steam, with
Adjust the drying temperature in steam gas hood 1.
In the present embodiment, as shown in figure 3, steam gas hood 1 includes outer cover, the steam generator being set in outer cover and edge
Several nozzle boxs 11 of 10 surface of drying cylinder distribution, the air inlet of steam generator are connected to air supply pipe, and steam generator goes out
Port is connected to the both ends of nozzle box 11 respectively, and the bottom of nozzle box 11 offers several spray-holes 111, adjacent nozzle case 11
Between form the gap 12 that passes through for return air.Structure design, is capable of forming the vapor stream of certain pressure and increases gas
The heat dissipation area of stream, further increases heat utilization rate and drying efficiency.When drying, steam forms a level pressure by steam generator
The vapor stream of power and enter nozzle box 11, then the vapor stream of certain pressure is sprayed by spray-hole 111 to 10 table of drying cylinder
Paper web is dried in face, and the moisture on 10 surface of drying cylinder evaporates rapidly, and as return air is between adjacent nozzle case 11
Outflow in gap 12 is loaded with the air-flow of moisture and then flows to the surface of steam gas hood 1, finally arranged by the exhaust outlet of steam gas hood 1
Out.
In the present embodiment, as shown in Figure 4 and Figure 5, waste-heat recovery device 6 includes shell, is set to the intracorporal heat exchanger tube of shell
Group 65 and several spray tubes 66 for being set to upper part of the housing, spray tube 66 are set as four groups.Spray tube 66 is at regular intervals
It opens successively, the impurity such as paper dirt of flushing heat exchanging inside pipe wall attachment, to guarantee the steady operation of waste-heat recovery device 6.
It is provided with filter screen 68 at the fresh inlet 63 of shell, is further ensured that the stability of waste-heat recovery device 6.
The lower part of shell offers discharge outlet 67, for excluding the condensed water of heat exchange generation.
The utility model is transformed the structure and pipe-line system of steam gas hood 1, makes in steam gas hood 1 distribution of steam more
Uniformly, and to the wet-hot steam that steam gas hood 1 discharges waste heat recycling and reusing is carried out, substantially increases utilization efficiency of heat energy, drops
The low steam consumption of paper machine, has saved cost, energy-saving effect is significant.
Finally it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than to this reality
With the limitation of novel protected range, although being explained in detail referring to preferred embodiment to the utility model, this field it is general
Lead to it will be appreciated by the skilled person that can be with the technical solution of the present invention is modified or equivalently replaced, without departing from this
The spirit and scope of utility model technical solution.
Claims (7)
1. a kind of energy-efficient paper machine steam gas hood recovery system, including drying cylinder and the steam gas hood for covering at drying cylinder, feature exists
In: it further include two groups of parallel connections for providing the main steam circulator of steam to steam gas hood and for supplementing the new of new air
Wind generation apparatus, main steam circulator described in every group include the air duct successively being connect with the air inlet of the steam gas hood,
Pressure fan and main steam heater, and the circulation air hose and exhaust blower that are successively connect with the exhaust outlet of the steam gas hood, institute
The first exhaust outlet for stating exhaust blower is connected to the air inlet of the main steam heater；The new wind generation apparatus includes that waste heat returns
Receiving apparatus, condensation water heater and flash heater, the waste-heat recovery device include exhaust gas inlet, waste gas outlet, fresh air into
Mouth and fresh air outlet, the exhaust gas inlet of the second exhaust outlet connection waste-heat recovery device of the exhaust blower, the waste heat recycling fill
The fresh air outlet set is sequentially connected condensation water heater and flash heater, and the air outlet of the flash heater leads to and the master
The fresh inlet of steam heater connects.
2. a kind of energy-efficient paper machine steam gas hood recovery system according to claim 1, it is characterised in that: the air duct and institute
Circulation air hose is stated to pass through expansion pipe and connect with the steam gas hood.
3. a kind of energy-efficient paper machine steam gas hood recovery system according to claim 1, it is characterised in that: the steam gas hood packet
Include outer cover, the steam generator that is set in outer cover and several nozzle boxs along dryer surface distribution, the steam generation
The air inlet of device is connected to air supply pipe, and the gas outlet of the steam generator is connected to the both ends of nozzle box respectively, the nozzle
The bottom of case offers several spray-holes, forms the gap passed through for return air between adjacent nozzle case.
4. a kind of energy-efficient paper machine steam gas hood recovery system according to claim 1, it is characterised in that: the waste heat recycling dress
It sets including shell, be set to the intracorporal set of heat exchange tubes of shell and be set to several spray tubes of upper part of the housing.
5. a kind of energy-efficient paper machine steam gas hood recovery system according to claim 4, it is characterised in that: the fresh air of the shell
Entrance is provided with filter screen.
6. a kind of energy-efficient paper machine steam gas hood recovery system according to claim 4, it is characterised in that: the lower part of the shell
Offer discharge outlet.
7. a kind of energy-efficient paper machine steam gas hood recovery system according to claim 1, it is characterised in that: set in the air duct
It is equipped with control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821027969.8U CN208668162U (en) | 2018-06-29 | 2018-06-29 | A kind of energy-efficient paper machine steam gas hood recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821027969.8U CN208668162U (en) | 2018-06-29 | 2018-06-29 | A kind of energy-efficient paper machine steam gas hood recovery system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208668162U true CN208668162U (en) | 2019-03-29 |
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ID=65826335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821027969.8U Active CN208668162U (en) | 2018-06-29 | 2018-06-29 | A kind of energy-efficient paper machine steam gas hood recovery system |
Country Status (1)
| Country | Link |
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| CN (1) | CN208668162U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN114459232A (en) * | 2022-01-13 | 2022-05-10 | 湖南正鼎环境保护工程有限责任公司 | Yankee air hood hot air system with dehumidifying and energy-saving functions |
-
2018
- 2018-06-29 CN CN201821027969.8U patent/CN208668162U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114459232A (en) * | 2022-01-13 | 2022-05-10 | 湖南正鼎环境保护工程有限责任公司 | Yankee air hood hot air system with dehumidifying and energy-saving functions |
| 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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