CN103939668B - A kind of adjustment valve on paper moistening tank internal steam pipe road - Google Patents
A kind of adjustment valve on paper moistening tank internal steam pipe road Download PDFInfo
- Publication number
- CN103939668B CN103939668B CN201410196538.4A CN201410196538A CN103939668B CN 103939668 B CN103939668 B CN 103939668B CN 201410196538 A CN201410196538 A CN 201410196538A CN 103939668 B CN103939668 B CN 103939668B
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- valve
- hollow
- valve body
- valve rod
- jet chimney
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K49/00—Means in or on valves for heating or cooling
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lift Valve (AREA)
- Paper (AREA)
Abstract
The present invention relates to the parts of paper humidifying equipment, particularly relate to the adjustment valve on a kind of paper moistening tank internal steam pipe road.Adjustment valve on a kind of paper moistening tank internal steam pipe road, including the hollow valve body being arranged in jet chimney, the two ends of this hollow valve body are fixed on the duct wall of jet chimney；Described hollow body is equipped with valve rod, and hollow valve body end is provided with the nozzle communicated with hollow body passage, and the inner passage of hollow valve body communicates with jet chimney.The overall structure of this adjustment valve is embedded in jet chimney, and during start, it is preheated by the steam in jet chimney, and during work, steam will not be met cold on its surface, condenses, and solves steam and is met a difficult problem for cold formation condensed water by valve between nozzle.
Description
Technical field
The present invention relates to the parts of paper humidifying equipment, particularly relate to the adjustment valve on a kind of paper moistening tank internal steam pipe road.
Background technology
Paper technology includes dry, humidification and press polish three process successively, wherein humidifying process is to spray high-temperature steam by nozzle facing to paper, its function is in that paper passes through its internal fiber dried and shapes, during humidification, high-temperature steam is converted into aqueous water on paper and is absorbed by paper surface fiber, gets a promotion then through paper surface smoothness after press polish.
But, the nozzle in moistening tank in existing humidifying process is all in the paper sheet underneath of roll shaft conveying, its weak point has 2 points: 1, the restriction of operation before existing paper machine, paper machine is concentrated mainly on the front of paper for the processing of paper, also imply that if adding this moistening tank on existing paper machine and being necessary for overturning the positive and negative of paper, as overturn by deflecting roller, considerably increase the volume of paper making equipment.2, in order to ensure the smooth of paper sheet delivery and not wear equipment, the width of paper must be less than the width of humid cabinet, say, that space is left in the both sides that paper width direction (is namely transversely to the conveying direction).The characteristic of steam is irregular floating, and when nozzle is in the lower section of paper, the gas flow of floating steam is unmanageable, and steam can slip out from the space of paper width direction both sides, causes that humidification is uneven, moisturization effect is poor.
But, if being arranged on above paper by nozzle, then need to overcome many technical problems.In these technical problems, especially prominent is a bit, and steam passes through valve is easy to meet cold formation condensed water between nozzle, and these condensed waters can be ejected on paper by nozzle, destruction paper product quality.And existing regulating valve structure is complicated, during installation, valve body major part is all in outside pipeline, and the valve body outside pipeline exposes in atmosphere, strengthens the heat radiation of insides of pipes valve body, is easily generated condensed water when steam is by valve body.
Therefore, be badly in need of a kind of simple in construction, steam will not produce the adjustment valve of condensed water on valve body.
Summary of the invention
In order to solve the problems referred to above, it is an object of the invention to provide the adjustment valve of a kind of simple in construction, this adjustment valve is overcome steam and is met the technical problem of cold formation condensed water by valve between nozzle.
In order to realize above-mentioned purpose, present invention employs following technical scheme:
Adjustment valve on a kind of paper moistening tank internal steam pipe road, including the hollow valve body being arranged in jet chimney, the two ends of this hollow valve body are fixed on the duct wall of jet chimney；Described hollow body is equipped with valve rod, and hollow valve body end is provided with the nozzle communicated with hollow body passage, and the inner passage of hollow valve body communicates with jet chimney.The overall structure of this adjustment valve is embedded in jet chimney, and during start, it is preheated by the steam in jet chimney, and during work, steam will not be met cold on its surface, condenses, and solves steam and is met a difficult problem for cold formation condensed water by valve between nozzle.
As preferably, described hollow valve body is provided with the valve port being in jet chimney, hollow valve body is divided into ventilating part, connecting portion and valve rod installation portion by valve port, and the inner passage of ventilating part is breather line, and the inner passage of valve rod installation portion is that valve rod installs passage；Nozzle communicates with the breather line of hollow valve body, and valve rod is located in the valve rod of hollow valve body and installs in passage, and the import of the inner traverse valve port of valve rod and breather line offsets.This nozzle regulate valve valve rod be located in inside, namely the steam inlet of breather line, steam (vapor) outlet and regulating valve rod are on straight line, during installation, have only to beat the hole of correspondence on the tube wall of jet chimney, by the two ends welded seal of hollow valve body in the pipe tap of jet chimney, and it is internal to allow valve port be in jet chimney.
As preferably, described valve port axial length is hollow valve body axial length 1/5 ~ 1/3, in the exposed valve port in the inner of valve rod；Connecting portion is made up of the joint pin being symmetricly set on valve port, the diameter that the radial width of joint pin is inner less than valve rod.When valve rod is opened, steam enters breather line by valve port, and valve port magnitude relationship the area of steam, and valve port is more big, and contact area is more little, and the probability producing condensed water is more little；Valve rod is inner exposed in jet chimney, it is simple to accelerate the preheating to valve rod of the steam in jet chimney.
As preferably, breather line and valve rod are installed passage and are on same straight line.
As preferably, valve rod outer end is provided with handle, and threaded stem is connected to the valve rod of hollow valve body and installs in passage, is reinforced by nut between valve rod and hollow valve body.
The present invention adopts technique scheme, the overall structure of this adjustment valve is embedded in jet chimney, in the process of paper machine preheating, hollow valve body in jet chimney, the pipeline in hollow valve body and the valve stem being exposed in valve port are preheated by steam, during use, steam will not be met cold on its surface, condense, solve steam between nozzle, met a difficult problem for cold formation condensed water by valve.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the A-A portion sectional view of Fig. 1.
Detailed description of the invention
Below in conjunction with accompanying drawing, the preferred embodiments of the invention are described in further detail.
The adjustment valve on a kind of paper moistening tank internal steam pipe road as shown in Figure 1 and Figure 2, including the hollow valve body 1 being arranged in jet chimney 5, it is connected to the nozzle 2 on hollow valve body 1 end and screw thread is located in the valve rod 3 within hollow valve body 1, valve rod 3 outer end is provided with handle, is reinforced by nut between valve rod 3 and hollow valve body 1.The two ends of hollow valve body 1 are fixed on the duct wall of jet chimney 5, hollow valve body 1 is provided with valve port 4, valve port 4 is in jet chimney 5, hollow valve body 1 is divided into ventilating part 11, connecting portion 12 and valve rod installation portion 13 by valve port 4, the inner passage of ventilating part 11 is breather line 111, the inner passage of valve rod installation portion 13 is valve rod installation passage 131, and breather line 111 and valve rod are installed passage 131 and be on same straight line；Nozzle 2 communicates with the breather line 111 of hollow valve body 1, and valve rod 3 is located in the valve rod of hollow valve body 1 and installs in passage 131, and the import of the inner traverse valve port 4 of valve rod 3 and breather line 111 offsets.Valve port 4 axial length is the 1/5 ~ 1/3 of hollow valve body 1 axial length, in the exposed valve port 4 in the inner of valve rod 3；Connecting portion 12 is made up of the joint pin being symmetricly set on valve port 4, and the radial width of joint pin is less than the diameter of valve rod 3 the inner.
During installation, due to this nozzle valve rod be located in hollow body, the steam inlet of breather line, steam (vapor) outlet and regulating valve rod are on straight line, have only to beat the hole of correspondence on the tube wall of jet chimney, the two ends of hollow valve body are welded in the pipe tap of jet chimney, and it is internal to allow valve port be in jet chimney, very convenient.After installation, the valve rod of this adjustment valve nozzle is inner exposed in jet chimney.In the process of paper machine preheating, moistening tank is also required to preheat, and passes into high steam in jet chimney, is turned on by the valve rod regulating valve, and steam preheats for valve rod the inner.The adjustment valve that need not use on selectivity steam off pipeline as required after having preheated.When valve rod is opened, steam enters breather line by valve port, and the length relation of valve port the area of steam, and valve port is more big, and contact area is more little, and the probability producing condensed water is more little；It addition, the valve port of big opening makes in the exposed jet chimney in the inner of valve rod, it is simple to accelerate the preheating to valve rod of the steam in jet chimney.By above structure, this adjustment valve is overcome steam and is met the technical problem of cold formation condensed water by valve between nozzle.
Claims (4)
1. the adjustment valve on a paper moistening tank internal steam pipe road, it is characterised in that: including the hollow valve body being arranged in jet chimney, the two ends of this hollow valve body are fixed on the duct wall of jet chimney；Described hollow valve body is provided with the valve port being in jet chimney, is communicated by valve port between the inner passage of hollow valve body and jet chimney；Hollow valve body is divided into ventilating part, connecting portion and valve rod installation portion by described valve port, and the inner passage of ventilating part is breather line, and the inner passage of valve rod installation portion is that valve rod installs passage；Connecting portion is made up of the joint pin being symmetricly set on valve port, the diameter that the radial width of joint pin is inner less than valve rod；Described hollow valve body end is provided with the nozzle communicated with breather line, and the valve rod of hollow valve body is installed in passage and is equipped with valve rod, and the inner of valve rod offsets with the import of breather line through valve port and coordinates, in the exposed valve port in the inner of valve rod.
2. the adjustment valve on a kind of paper moistening tank internal steam pipe road according to claim 1, it is characterised in that: described valve port axial length is hollow valve body axial length 1/5 ~ 1/3.
3. the adjustment valve on a kind of paper moistening tank internal steam pipe road according to claim 2, it is characterised in that: breather line and valve rod are installed passage and are on same straight line.
4. the adjustment valve on a kind of paper moistening tank internal steam pipe road according to claim 2, it is characterised in that: valve rod outer end is provided with handle, and threaded stem is connected to the valve rod of hollow valve body and installs in passage, is reinforced by nut between valve rod and hollow valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410196538.4A CN103939668B (en) | 2014-05-09 | 2014-05-09 | A kind of adjustment valve on paper moistening tank internal steam pipe road |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410196538.4A CN103939668B (en) | 2014-05-09 | 2014-05-09 | A kind of adjustment valve on paper moistening tank internal steam pipe road |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103939668A CN103939668A (en) | 2014-07-23 |
| CN103939668B true CN103939668B (en) | 2016-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410196538.4A Active CN103939668B (en) | 2014-05-09 | 2014-05-09 | A kind of adjustment valve on paper moistening tank internal steam pipe road |
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| CN (1) | CN103939668B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107539938A (en) * | 2017-09-29 | 2018-01-05 | 浙江德清莫干山酒业有限公司 | A kind of filling yellow wine line |
| CN107512441A (en) * | 2017-09-29 | 2017-12-26 | 浙江德清莫干山酒业有限公司 | A kind of rice wine crock high-temperature sterilization mechanism |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5445071A (en) * | 1993-03-20 | 1995-08-29 | V.I.B. Apparatebau Gmbh | Method for adjusting the gloss or smoothness of a web of material |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4253247A (en) * | 1979-08-24 | 1981-03-03 | Eppco, Inc. | Steam distributor |
| US4358900A (en) * | 1980-09-24 | 1982-11-16 | Dove Norman F | Apparatus to supply steam including steam evacuation |
| CA1134187A (en) * | 1981-08-05 | 1982-10-26 | Norman F. Dove | Piston valve steam distributor |
| US4580355A (en) * | 1984-05-23 | 1986-04-08 | Measurex Corporation | System for distributing hot gas on a paper web |
| FI91301C (en) * | 1991-09-12 | 1994-06-10 | Valmet Paper Machinery Inc | The steam box |
| CN100528372C (en) * | 2007-07-04 | 2009-08-19 | 杨新华 | Fluid blending atomization device with adjustable flow |
| CN203880218U (en) * | 2014-05-09 | 2014-10-15 | 浙江汉普新材料技术有限公司 | Regulating valve on steam pipeline in paper humidifying box |
-
2014
- 2014-05-09 CN CN201410196538.4A patent/CN103939668B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5445071A (en) * | 1993-03-20 | 1995-08-29 | V.I.B. Apparatebau Gmbh | Method for adjusting the gloss or smoothness of a web of material |
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| CN103939668A (en) | 2014-07-23 |
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