CN104727181B - Tail gas heat quantity recovery structure for paper machine dryer - Google Patents
Tail gas heat quantity recovery structure for paper machine dryer Download PDFInfo
- Publication number
- CN104727181B CN104727181B CN201510072416.9A CN201510072416A CN104727181B CN 104727181 B CN104727181 B CN 104727181B CN 201510072416 A CN201510072416 A CN 201510072416A CN 104727181 B CN104727181 B CN 104727181B
- Authority
- CN
- China
- Prior art keywords
- main body
- gas
- air inlet
- temperature
- appendix
- 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.)
- Active
Links
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F5/00—Dryer section of machines for making continuous webs of paper
- D21F5/20—Waste heat recovery
-
- 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
Landscapes
- Drying Of Solid Materials (AREA)
Abstract
The present invention relates to the tail gas heat quantity recovery structure for paper machine dryer.The tail gas heat quantity recovery structure for paper machine dryer that the present invention provides, drying cylinder is provided with the exhaustor for being discharged by steam in drying cylinder, also include utilizing the heat exchanger that normal temperature air is preheated by the temperature of steam in exhaustor, described heat exchanger includes the main body with inner chamber, described main body is provided with air inlet pipe, described air inlet pipe connects with main body and sends in main body by normal temperature air, is additionally provided with economizer bank in described main body, and described economizer bank connects with exhaustor；During specifically used, by expellant gas temperature in drying cylinder higher than room temperature, therefore, normal temperature air is heated by this gas available, gas is entered in intrinsic economizer bank by exhaustor after drying cylinder is discharged, preheating visitor is heated, is then transferred heat into chamber body by economizer bank, thus the heat of drying cylinder tail gas is recycled.
Description
Technical field
The present invention relates to the tail gas heat quantity recovery structure for paper machine dryer.
Background technology
Drying cylinder is the essential element of paper industry, and its effect is for being dried by paper, during specific works, to baking
Feeding high-temperature gas in cylinder, utilize high-temperature gas to be heated by drying cylinder, then drying cylinder rotates and carries out paper drying behaviour
Make, owing to paper is uninterrupted supply, therefore, in order to ensure that the temperature of drying cylinder meets the requirements, it is also desirable to
High-temperature gas is uninterruptedly fed in drying cylinder.
The high-temperature gas fed in drying cylinder in prior art be uniformly carried out preheating by normal temperature air, heated after
Feed drying cylinder, just discharged by exhaust component after heated drying cylinder, and the temperature dried is higher than room temperature, because drawing, row
The gas temperature of gas drying cylinder remains above normal temperature air, and this heat is not carried out back during specifically used
Receive and utilize, cause and will have a large amount of waste；During it addition, normal temperature air is heated by prior art, first lead to
Over-heat-exchanger, is heated to normal temperature air the air of uniform temperature, then these is had uniform temperature
Air passes through hot water power board, and heating improves temperature further, sends into system finally by pressure fan, and this makes
Obtain in normal temperature air warm sufficiently complex, substantially increase the use cost of drying cylinder, serious waste of resources.
Summary of the invention
The tail gas heat quantity recovery structure for paper machine dryer that the present invention provides, it is intended to overcome in prior art
The heat that drying cylinder is discharged in gas the most effectively utilizes, causes the wasting of resources, papermaking cost high not
Foot.
In order to solve above-mentioned technical problem, the present invention adopts the following technical scheme that the tail for paper machine dryer
Gas heat recovery structure, including drying cylinder, described drying cylinder is provided with the exhaustor for being discharged by steam in drying cylinder,
Also include utilizing the heat exchanger that normal temperature air is preheated by the temperature of steam in exhaustor, described heat exchange
Device includes the main body with inner chamber, and described main body is provided with air inlet pipe, and described air inlet pipe connects with main body and incites somebody to action
Normal temperature air is sent in main body, is additionally provided with economizer bank in described main body, and described economizer bank connects with exhaustor,
Described economizer bank is coiled in main body, described main body is additionally provided with for being sent into by the normal temperature air after heated
The appendix of drying cylinder and for the escape pipe discharged by gas in economizer bank, is provided with for right in described air inlet pipe
Normal temperature air carries out the filtering bodies filtered.
As preferably, also including the air pump for inputting gas at normal temperature in air inlet pipe, described air pump is variable
Pump, described appendix is provided with the temperature detector of gas temperature in detecting appendix, described air pump
Flow is by temperature detector control, by arranging temperature detector, can enter the temperature of gas in appendix
Row detection, when gas temperature is less than setting value in appendix, is controlled air pump by temperature detector and reduces flow,
In thereby may be ensured that appendix, gas temperature meets the requirements, when in appendix, gas temperature is higher than setting value,
Being controlled air pump by temperature detector and increase flow, flowing through so that having more gas in appendix, improve
The stability of gas conveying.
As preferably, if being additionally provided with dry tablet in described main body for making air-flow form the turbulent flow of turbulent flow in main body
Sheet, described turbulent flow sheet and main body are integral type structure, by the gas shape in arranging turbulent flow sheet and can making main body
Become turbulent flow, make economizer bank can uniformly heat the gas being positioned at main body, improve gas the efficiency of heating surface and
Heating quality.
As preferably, described filtering bodies is threaded connection and is arranged in air inlet pipe, and described filtering bodies is provided with
External screw thread, is provided with the female thread suitable with external screw thread in filtering bodies, in described air inlet pipe in described air inlet pipe
Including at least two air inlet, being equipped with filtering bodies in described air inlet, filtering bodies is threaded connection setting
In air inlet pipe, the gas entered in air inlet pipe can filter through filtering bodies, it is to avoid foreign material enter in air inlet pipe,
Improve the stability of air inlet pipe, it addition, by arranging at least two air inlet, when one of them blocks
Time, another can also provide gas in air supply pipe, easy to use.
As preferably, also include the air pump for inputting gas at normal temperature in air inlet pipe, described appendix sets
There is the temperature detector of gas temperature in detecting appendix, after being positioned at temperature detector in described appendix
Side is additionally provided with the calandria for heating gas in appendix further, and described calandria is examined by temperature
Survey device controls, and by arranging temperature detector and calandria, is positioned at the gas of appendix by temperature detector
Flowing through calandria after detection, when gas temperature is less than setting value, temperature detector controls calandria work,
Such that it is able to further gas is heated, it is ensured that the temperature stabilization of gas in appendix, easy to use.
As preferably, described calandria be inside there is heater strip add heat pipe, described in add heat pipe and be coiled in defeated
Tracheal strips, is coiled in appendix by adding heat pipe, is positioned at the gas homogeneous heating of appendix, uses
Convenient.
The tail gas heat quantity recovery structure for paper machine dryer that the present invention provides, has the advantage that drying cylinder
It is provided with the exhaustor for being discharged by steam in drying cylinder, also includes utilizing in exhaustor the temperature of steam to often
Warm air carries out the heat exchanger preheated, and described heat exchanger includes the main body with inner chamber, in described main body
Being provided with air inlet pipe, described air inlet pipe connects with main body and sends in main body by normal temperature air, in described main body also
Being provided with economizer bank, described economizer bank connects with exhaustor；During specifically used, by the gas discharged in drying cylinder
Temperature is higher than room temperature, and therefore, normal temperature air is heated by this gas available, and gas is after drying cylinder is discharged
Entered in intrinsic economizer bank by exhaustor, preheating visitor is heated, then by economizer bank, heat is passed
Deliver to chamber body, thus the heat of drying cylinder tail gas is recycled, while economizing on resources significantly
Reduce the production cost of kind of papermaking, it addition, by arranging filtering bodies, can easily gas be carried out
Filter, it is to avoid gas enters in heat exchanger, uses very convenient.
Accompanying drawing explanation
Accompanying drawing 1 is the present invention structural representation for the tail gas heat quantity recovery structure embodiment one of paper machine dryer
Figure,
Accompanying drawing 2 is the present invention structural representation for the tail gas heat quantity recovery structure embodiment two of paper machine dryer
Figure.
Detailed description of the invention
Embodiment one
Below in conjunction with the accompanying drawings, the tail gas heat quantity recovery structure for paper machine dryer of the present invention is made further
Explanation.As it is shown in figure 1, for the tail gas heat quantity recovery structure of paper machine dryer, including drying cylinder 1, described baking
Cylinder 1 is provided with the exhaustor 2 for being discharged by steam in drying cylinder 1, also includes utilizing steam in exhaustor 2
The heat exchanger 3 that normal temperature air is preheated by temperature, described heat exchanger 3 includes the main body 4 with inner chamber,
Described main body 4 is provided with air inlet pipe 5, and described air inlet pipe 5 connects with main body 4 and normal temperature air is sent into main body
In 4, being additionally provided with economizer bank 6 in described main body 4, described economizer bank 6 connects with exhaustor 2, described preheating
Pipe 6 is coiled in main body 4, described main body 4 is additionally provided with and dries for being sent into by the normal temperature air after heated
The appendix 7 of cylinder 1 and for the escape pipe 8 discharged by gas in economizer bank 6, is provided with in described air inlet pipe 5
For gas is entered in the filtering bodies 9 that normal temperature air is filtered, the described i.e. prior art of filtering bodies 9
The common filtration that row filters, described economizer bank 6 should be prepared by Heat Conduction Material, so that heat can heat
Gas at normal temperature in main body 4.
Also including the air pump 10 for inputting gas at normal temperature in air inlet pipe 5, described air pump 10 is variable pump,
Described appendix 7 is provided with the temperature detector 11 of gas temperature in detecting appendix 7, described air pump
The flow of 10 is controlled by temperature detector 11, and described temperature detector 11 can be by wired or wireless communication
Mode transmit information to the control device of air pump 10, then by the control device of air pump 10 to air pump 10
It is controlled, owing to the control device of air pump 10 and air pump 10 is prior art, does not introduces at this.
If be additionally provided with in described main body 4 dry tablet for make air-flow formed in main body 4 turbulent flow turbulent sheet 12,
Described turbulent flow sheet 12 and main body 4 are integral type structure, and described main body 4 can prepare in the way of using casting,
So that turbulent flow sheet 12 can be conveniently set up in main body 4；Described main body 4 can also use split-type structural,
Then it is combined by welding manner, it is the most very convenient that turbulent flow sheet 12 is set in this split type theme.
Described filtering bodies 9 is threaded connection and is arranged in air inlet pipe 5, and described filtering bodies 9 is provided with outer spiral shell
Stricture of vagina, is provided with the female thread suitable with external screw thread in filtering bodies 9, described air inlet pipe 5 in described air inlet pipe 5
On include at least two air inlet 13, be equipped with filtering bodies 9 in described air inlet 13, in described filtering bodies 9
May be provided for manually taking off the operation handle of filtering bodies 9, described operation handle can be with filtering bodies 9
For integral type structure, by arranging filtration handle, filtering bodies 9 can be taken off replacing easily or clean, behaviour
Make very convenient.
Embodiment two
As in figure 2 it is shown, the difference of the present embodiment and embodiment one is: also include for air inlet pipe 5
The air pump 10 of interior input gas at normal temperature, described appendix 7 is provided with gas temperature in detecting appendix 7
Temperature detector 11, be positioned at temperature detector 11 rear in described appendix 7 and be additionally provided with for appendix
The calandria 14 that in 7, gas heats further, described calandria 14 is controlled by temperature detector 11,
Described temperature detector 11 can control the duty of calandria 14 by the way of wirelessly or non-wirelessly communication,
Described calandria 14 is the internal heat pipe that adds with heater strip, described in add heat pipe and be coiled in appendix 7.
Technique scheme in use, gas is after discharge, owing to the temperature of drying cylinder 1 is high by drying cylinder 1
In room temperature, therefore, drying cylinder 1 expellant gas temperature being still same as room temperature, air-flow enters pre-through exhaustor 2
Being fed gas at normal temperature in main body 4 by air pump 10 while heat pipe 6, gas at normal temperature is preheated in main body 4
Pipe 6 heating after inputted drying cylinder 1 by appendix 7 again, due to be provided with in appendix 7 temperature detector 11 and
Temperature detector 11 can control the flow of air pump 10, therefore, equal through the gas temperature of appendix 7 output
Meet design temperature；By expellant gas temperature in drying cylinder 1 higher than room temperature, therefore, this gas available is to often
Warm air heats, and gas is entered in intrinsic economizer bank 6 by exhaustor 2 after drying cylinder 1 is discharged,
Preheating visitor is heated, is then transferred heat into chamber body by economizer bank 6, thus to drying cylinder 1 tail
The heat of gas recycles, and greatly reduces the production cost of kind of papermaking, separately while economizing on resources
Outward, by arranging filtering bodies 9, can easily gas be filtered, it is to avoid gas enters heat exchanger 3
In, use very convenient.
These are only the preferred embodiment of the present invention, it is intended to embody prominent technique effect and the advantage of the present invention,
It it is not the restriction to technical scheme.Those skilled in the art will appreciate that all based on
Amendment, change or the substitute technology feature that the technology of the present invention content is made, all should be covered by institute of the present invention
In the technology category that attached claim is advocated.
Claims (4)
1. for the tail gas heat quantity recovery structure of paper machine dryer, it is characterised in that: include drying cylinder (1), described
Drying cylinder (1) is provided with the exhaustor (2) for being discharged by steam in drying cylinder (1), also includes utilizing
The heat exchanger (3) that normal temperature air is preheated by the temperature of exhaustor (2) interior steam, described heat
Exchanger (3) includes the main body (4) with inner chamber, and described main body (4) is provided with air inlet pipe (5),
Described air inlet pipe (5) connects with main body (4) and is sent into by normal temperature air in main body (4), described
Being additionally provided with economizer bank (6) in main body (4), described economizer bank (6) connects with exhaustor (2),
In described economizer bank (6) is coiled in main body (4), described main body (4) is additionally provided with for will be through
Normal temperature air after heating sends into the appendix (7) of drying cylinder (1) and in by economizer bank (6)
The escape pipe (8) that gas is discharged, is provided with for carrying out normal temperature air in described air inlet pipe (5)
The filtering bodies (9) of filter；
Described main body (4) if in be additionally provided with dry tablet for make air-flow formed in main body (4) turbulent flow turbulent flow
Sheet (12), described turbulent flow sheet (12) is integral type structure with main body (4)；
Calandria (14) is the internal heat pipe that adds with heater strip, described in add heat pipe and be coiled in appendix (7)
In.
Tail gas heat quantity recovery structure for paper machine dryer the most according to claim 1, it is characterised in that:
Also include the air pump (10) for inputting gas at normal temperature in air inlet pipe (5), described air pump (10)
For variable pump, described appendix (7) is provided with the temperature of gas temperature in detecting appendix (7)
Degree detector (11), the flow of described air pump (10) is controlled by temperature detector (11).
Tail gas heat quantity recovery structure for paper machine dryer the most according to claim 1, it is characterised in that:
Described filtering bodies (9) is threaded connection and is arranged in air inlet pipe (5), described filtering bodies (9)
It is provided with external screw thread, is provided with external screw thread upper with filtering bodies (9) in described air inlet pipe (5) suitable
Female thread, described air inlet pipe (5) includes at least two air inlet (13), described air inlet (13)
Inside it is equipped with filtering bodies (9).
Tail gas heat quantity recovery structure for paper machine dryer the most according to claim 1, it is characterised in that:
Also include the air pump (10) for inputting gas at normal temperature in air inlet pipe (5), described appendix (7)
It is provided with the temperature detector (11) of gas temperature in detecting appendix (7), described appendix
(7) it is positioned at temperature detector (11) rear in be additionally provided with for appendix (7) gas is carried out
The calandria (14) of heating further, described calandria (14) is controlled by temperature detector (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510072416.9A CN104727181B (en) | 2015-02-11 | 2015-02-11 | Tail gas heat quantity recovery structure for paper machine dryer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510072416.9A CN104727181B (en) | 2015-02-11 | 2015-02-11 | Tail gas heat quantity recovery structure for paper machine dryer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104727181A CN104727181A (en) | 2015-06-24 |
| CN104727181B true CN104727181B (en) | 2016-08-17 |
Family
ID=53451546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510072416.9A Active CN104727181B (en) | 2015-02-11 | 2015-02-11 | Tail gas heat quantity recovery structure for paper machine dryer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104727181B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105202751A (en) * | 2015-10-23 | 2015-12-30 | 无锡溥汇机械科技有限公司 | Gas heating device |
| CN106608619A (en) * | 2015-10-26 | 2017-05-03 | 安徽华尔泰化工股份有限公司 | Sulfuric acid HRS low-pressure saturated steam heat exchanger |
| CN112145318B (en) * | 2020-08-21 | 2021-11-02 | 深圳市利赛实业发展有限公司 | Tail gas heat utilization device and process in landfill biogas power generation |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI58953B (en) * | 1977-12-22 | 1981-01-30 | Valmet Oy | EXTENSION OF MEASUREMENT OF THERMAL MECHANICAL MASS OF BODY MACHINERY |
| CN101929095A (en) * | 2009-06-25 | 2010-12-29 | 铨展环能设备(昆山)有限公司 | Air supplying and exhausting system for dryer hood of paper machine |
| CN102154897A (en) * | 2010-12-31 | 2011-08-17 | 东莞理文造纸厂有限公司 | Papermaking ventilating system |
| CN202023109U (en) * | 2011-04-14 | 2011-11-02 | 苏州市益维高科技发展有限公司 | Moisture-discharging tail-gas recycling device in impregnation production |
| CN202543721U (en) * | 2012-02-15 | 2012-11-21 | 杭州春胜纸业有限公司 | Heat recovery system on papermaking production line |
| CN203654084U (en) * | 2014-01-14 | 2014-06-18 | 山东鲁南纸业股份有限公司 | Waste steam heating device |
| CN204455706U (en) * | 2015-02-11 | 2015-07-08 | 浙江荣晟环保纸业股份有限公司 | For the tail gas heat quantity recovery structure of paper machine dryer |
-
2015
- 2015-02-11 CN CN201510072416.9A patent/CN104727181B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104727181A (en) | 2015-06-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104727181B (en) | Tail gas heat quantity recovery structure for paper machine dryer | |
| CN103697668A (en) | Heated air circulation double drum type dryer with high temperature heat pump | |
| CN205262087U (en) | Automatic drying -machine of maize seed | |
| CN203642636U (en) | Powder two-stage drying system | |
| CN204914881U (en) | Stoving heated air circulation device of printing machine | |
| CN103843912B (en) | Automatic double-layered skin picking machine | |
| CN104894920A (en) | Novel energy-saving paper heater for paper production line and paper pre-heating equipment utilizing novel energy-saving paper heater | |
| CN204455706U (en) | For the tail gas heat quantity recovery structure of paper machine dryer | |
| CN109631544A (en) | Energy-saving synthetic leather drying equipment based on double duct air knives | |
| CN204756890U (en) | Steam condensate water cyclic utilization system | |
| CN207207409U (en) | A kind of printing machine energy-conserving and environment-protective drying device | |
| CN207887494U (en) | A kind of apparatus for baking of water paint production line | |
| CN207317384U (en) | A kind of ceramic batch baking room | |
| CN205048918U (en) | Low temperature band dryer | |
| CN103385530A (en) | Drying equipment for aqueous medium circulation system | |
| CN208187005U (en) | A kind of good drying effect and high-efficient Chinese medicine drying device | |
| CN210169024U (en) | Tobacco material cures cylinder | |
| CN210353115U (en) | Cross-flow type tobacco leaf baking system | |
| CN205143468U (en) | Formula hot air circulating system goes into under following current of hot -blast moist leaf machine | |
| CN102524324A (en) | Hot air concentrated processing system for drying dried noodles | |
| CN204901765U (en) | Change system machine medium oil circulation system | |
| CN207317452U (en) | A kind of ceramic batch dries ducting system | |
| CN206514524U (en) | Flakeboard Product Line comprehensive utilization system for heat energy | |
| CN205603492U (en) | Pipe bundle drier top waste heat utilization device in starch maize processing | |
| CN205747881U (en) | Air stove |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |