CN103939668A - Regulating valve on steam pipeline in paper humidifying box - Google Patents
Regulating valve on steam pipeline in paper humidifying box Download PDFInfo
- Publication number
- CN103939668A CN103939668A CN201410196538.4A CN201410196538A CN103939668A CN 103939668 A CN103939668 A CN 103939668A CN 201410196538 A CN201410196538 A CN 201410196538A CN 103939668 A CN103939668 A CN 103939668A
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- Prior art keywords
- valve
- valve body
- hollow
- steam
- valve rod
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Classifications
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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 invention relates to parts of paper humidifying equipment, in particular to a regulating valve on a steam pipeline in a paper humidifying box. The regulating valve on the steam pipeline in the paper humidifying box comprises a hollow valve body which is arranged in the steam pipeline, and the two ends of the hollow valve body are fixed on the pipeline wall of the steam pipeline. A valve rod is arranged inside the hollow valve body in a penetrating mode, a nozzle which is communicated with an inner passage of the hollow valve body is formed in the end of the hollow valve body, and the inner passage of the hollow valve body is communicated with the steam pipeline. The overall structure of the regulating valve is inbuilt in the steam pipeline, in the starting-up process, steam in the steam pipeline preheats the regulating valve, in the working process, the steam cannot suffer from cold condensation on the surface of the regulating valve, and therefore the problem that the steam encounters cold to form condensate water when passing through the position between the valve and the nozzle is solved.
Description
Technical field
The present invention relates to the component of paper humidifying equipment, relate in particular to the modulating valve on a kind of paper moistening tank internal steam pipe road.
Background technique
Dry, humidification and press polish three process in paper technology, are comprised successively, wherein humidifying process is to face toward paper by nozzle to spray high-temperature steam, its function is that paper passes through dry rear its internal fiber and shapes, when humidification, high-temperature steam is converted into liquid water and is absorbed by paper surface fiber on paper, then paper surface smoothness gets a promotion after press polish.
But, nozzle in moistening tank in existing humidifying process is all the paper sheet underneath of carrying in roll shaft, its deficiency has 2 points: 1, the restriction of operation before existing paper machine, paper machine mainly concentrates on the front of paper for the processing of paper, also just mean if add this moistening tank just must, by the positive and negative upset of paper, as overturn by deflecting roller, greatly increase the volume of papermaking equipment on existing paper machine.2, in order to ensure the smoothly and not wear equipment of paper sheet delivery, the width of paper must be less than the width of humid cabinet, that is to say that space is left in the both sides of paper width direction (perpendicular to throughput direction).The characteristic of steam is irregular floating, and when the below of nozzle in 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 inhomogeneous, humidification weak effect.
But, if nozzle is arranged on to paper top, need to overcome many technical problems.In these technical problems, especially outstanding is some steam is by valve to being easy to meet cold formation condensed water between nozzle, and these condensed waters can, by nozzle ejection to paper, destroy paper product quality.And existing regulating valve structure complexity, when installation, valve body major part is all in pipeline outside, the valve body in pipeline outside is exposed in air, has strengthened the heat radiation of insides of pipes valve body, easily produces condensed water in the time that steam passes through valve body.
Therefore, be badly in need of a kind of simple in structure, modulating valve that steam can not produce condensed water on valve body.
Summary of the invention
In order to address the above problem, the object of the present invention is to provide a kind of modulating valve simple in structure, this modulating valve overcome steam by valve to the technical problem of meeting cold formation condensed water between nozzle.
In order to realize above-mentioned object, the present invention has adopted following technological scheme:
A modulating valve on paper moistening tank internal steam pipe road, comprises the hollow valve body being arranged in steam line, and the two ends of this hollow valve body are fixed on the tube wall of steam line; Described hollow valve body inside is equipped with valve rod, and hollow valve body end is provided with the nozzle communicating with hollow valve body inner passage, and the inner passage of hollow valve body communicates with steam line.The overall structure of this modulating valve is embedded in steam line, and when start, the steam in steam line carries out preheating to it, when work steam can its surface meet cold, condense, solved steam by valve to a difficult problem of meeting cold formation condensed water between nozzle.
As preferably, described hollow valve body is provided with the valve port in steam line, hollow valve body is divided into successively ventilating part, joint and valve rod assembly department by valve port, and the inner passage of ventilating part is breather line, and the inner passage of valve rod assembly department is that valve rod is installed 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 inner of valve rod offsets through the import of valve port and breather line.This nozzle the valve rod of modulating valve be located in inner, the steam inlet, steam (vapor) outlet and the regulating valve rod that are breather line are all in a straight line, when installation, only need on the tube wall of steam line, beat corresponding hole, in the pipe tap of steam line, and make valve port inner in steam line the two ends welded seal of hollow valve body.
As preferably, described valve port axial length is 1/5 ~ 1/3 of hollow valve body axial length, in the exposed valve port in the inner of valve rod; Joint is made up of the attachment post being symmetricly set on valve port, and the radial width of attachment post is less than the diameter of valve rod the inner.In the time that valve rod is opened, steam enters breather line by valve port, and valve port magnitude relationship the area of steam, and valve port is larger, and area of contact is less, and the probability that produces condensed water is less; Valve rod is inner exposed in steam line, is convenient to accelerate the preheating to valve rod of steam in steam line.
As preferably, breather line and valve rod are installed passage 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, between valve rod and hollow valve body, reinforces by nut.
The present invention adopts technique scheme, the overall structure of this modulating valve is embedded in steam line, in the process of paper machine preheating, pipeline in hollow valve body, hollow valve body in steam line and the valve stem being exposed in valve port are carried out preheating by steam, when use, steam can not met cold on its surface, condense, solved steam by valve to a difficult problem of meeting cold formation condensed water between nozzle.
Brief description of the drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is the A-A portion sectional view of Fig. 1.
Embodiment
Below in conjunction with accompanying drawing, the preferred embodiments of the invention are described in further detail.
Modulating valve on a kind of paper moistening tank internal steam pipe road as shown in Figure 1 and Figure 2, comprise the hollow valve body 1 being arranged in steam line 5, be connected to the valve rod 3 that nozzle 2 on hollow valve body 1 end and screw thread are located in hollow valve body 1 inside, valve rod 3 outer ends are provided with handle, between valve rod 3 and hollow valve body 1, reinforce by nut.The two ends of hollow valve body 1 are fixed on the tube wall of steam line 5, hollow valve body 1 is provided with valve port 4, valve port 4 is in steam line 5, hollow valve body 1 is divided into successively ventilating part 11, joint 12 and valve rod assembly department 13 by valve port 4, the inner passage of ventilating part 11 is breather line 111, the inner passage of valve rod assembly department 13 is that valve rod is installed passage 131, and breather line 111 and valve rod are installed passage 131 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 inner of valve rod 3 offsets through valve port 4 and the import of breather line 111.Valve port 4 axial lengths are 1/5 ~ 1/3 of hollow valve body 1 axial length, in the exposed valve port 4 in the inner of valve rod 3; Joint 12 is made up of the attachment post being symmetricly set on valve port 4, and the radial width of attachment post is less than the diameter of valve rod 3 the inners.
When installation, due to this nozzle valve rod be located in hollow valve body inside, steam inlet, steam (vapor) outlet and the regulating valve rod of breather line are all in a straight line, only need on the tube wall of steam line, beat corresponding hole, the two ends of hollow valve body are welded in the pipe tap of steam line, and make valve port inner in steam line, very convenient.After installation, the valve rod of this modulating valve nozzle is inner exposed in steam line.In the process of paper machine preheating, moistening tank also needs to carry out preheating, passes into high pressure steam in steam line, and the valve rod of modulating valve is turned on, and steam carries out preheating for valve rod the inner.After completing, preheating do not need as required the modulating valve using on selectivity steam off pipeline.In the time that 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 larger, and area of contact is less, and the probability that produces condensed water is less; In addition, the valve port of large opening makes in the exposed steam line in the inner of valve rod, is convenient to accelerate the preheating to valve rod of steam in steam line.By above structure, this modulating valve overcome steam by valve to the technical problem of meeting cold formation condensed water between nozzle.
Claims (5)
1. the modulating valve on paper moistening tank internal steam pipe road, is characterized in that comprising the hollow valve body being arranged in steam line, and the two ends of this hollow valve body are fixed on the tube wall of steam line; Described hollow valve body inside is equipped with valve rod, and hollow valve body end is provided with the nozzle communicating with hollow valve body inner passage, and the inner passage of hollow valve body communicates with steam line.
2. the modulating valve on a kind of paper moistening tank internal steam pipe according to claim 1 road, it is characterized in that: described hollow valve body is provided with the valve port in steam line, hollow valve body is divided into successively ventilating part, joint and valve rod assembly department by valve port, the inner passage of ventilating part is breather line, and the inner passage of valve rod assembly department is that valve rod is installed 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 inner of valve rod offsets through the import of valve port and breather line.
3. the modulating valve on a kind of paper moistening tank internal steam pipe according to claim 2 road, is characterized in that: described valve port axial length is 1/5 ~ 1/3 of hollow valve body axial length, in the exposed valve port in the inner of valve rod; Joint is made up of the attachment post being symmetricly set on valve port, and the radial width of attachment post is less than the diameter of valve rod the inner.
4. the modulating valve on a kind of paper moistening tank internal steam pipe according to claim 2 road, is characterized in that: breather line and valve rod are installed passage on same straight line.
5. the modulating valve on a kind of paper moistening tank internal steam pipe according to claim 2 road, is characterized 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, between valve rod and hollow valve body, reinforces by nut.
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 true CN103939668A (en) | 2014-07-23 |
| CN103939668B 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) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4253247A (en) * | 1979-08-24 | 1981-03-03 | Eppco, Inc. | Steam distributor |
| CA1134187A (en) * | 1981-08-05 | 1982-10-26 | Norman F. Dove | Piston valve steam distributor |
| US4358900A (en) * | 1980-09-24 | 1982-11-16 | Dove Norman F | Apparatus to supply steam including steam evacuation |
| US4580355A (en) * | 1984-05-23 | 1986-04-08 | Measurex Corporation | System for distributing hot gas on a paper web |
| US5355595A (en) * | 1991-09-12 | 1994-10-18 | Valmet Paper Machinery, Inc. | Steam box |
| 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 |
| CN101204684A (en) * | 2007-07-04 | 2008-06-25 | 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 (8)
| 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 |
| US5355595A (en) * | 1991-09-12 | 1994-10-18 | Valmet Paper Machinery, Inc. | Steam box |
| 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 |
| CN101204684A (en) * | 2007-07-04 | 2008-06-25 | 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 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103939668B (en) | 2016-06-29 |
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