CN103422258A - Steam atomization sizing process - Google Patents
Steam atomization sizing process Download PDFInfo
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- CN103422258A CN103422258A CN2013103277350A CN201310327735A CN103422258A CN 103422258 A CN103422258 A CN 103422258A CN 2013103277350 A CN2013103277350 A CN 2013103277350A CN 201310327735 A CN201310327735 A CN 201310327735A CN 103422258 A CN103422258 A CN 103422258A
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Abstract
A steam atomization sizing process includes the first step of enabling an adhesive and an additive to enter a mixing tube and to be mixed to form a mixture, the second step of transmitting the mixture into a sizing spraying gun, the third step of enabling high-pressure steam to be sprayed into the sizing spraying gun to scatter and atomize the mixture, and the fourth step of enabling the mixture to be sprayed into a spraying tube to be mixed with sizing agent fiber. After the mixture enters the sizing spraying gun, a nozzle conducts spraying while the high-pressure steam is input into the sizing spraying gun, the mixture is scattered and atomized through the high-pressure steam and is then sprayed into the spraying tube, therefore, the atomization effect of the mixture is greatly improved, the mixture can be fully mixed with material fiber in the spraying tube, glue stains can not be produced, the requirements for the performance of the product are met, and the product percent of pass is increased.
Description
Technical field
The present invention relates to fiberboard and manufacture field, relate in particular to a kind of steam atomization glue-applying technique.
Background technology
First adhesive and additive are mixed to form to intermixture to spray in blow-off pipe to be mixed with material fiber by high-pressure spray gun and carry out again the moulding injection, in prior art, be all to adopt high-pressure atomization, not only atomizing effect is bad but also high-pressure is difficult to be stabilized in pressure limit, can often occur that the phenomenons such as applying glue is inhomogeneous easily produce gum spot, thereby it is low to affect the performance requirement product percent of pass of product.
Summary of the invention
In order to solve the bad problem of intermixture atomizing effect in prior art, the invention provides a kind of steam atomization glue-applying technique.
The invention provides a kind of steam atomization glue-applying technique, comprise the following steps: step S1: adhesive and additive enter mixing tube and are mixed to form intermixture; Step S2: described intermixture is delivered in the applying glue spray gun; Step S3: high steam sprays in described applying glue spray gun, and intermixture is broken up to atomization; Step S4: intermixture sprays in blow-off pipe and mixes with pulp fiber.
As a further improvement on the present invention, described applying glue spray gun is provided with steam hole, and described steam hole is communicated with steam distributor.
As a further improvement on the present invention, between described steam distributor and described steam hole, by pipeline, be connected, described pipeline is provided with steam valve.
As a further improvement on the present invention, between described mixing tube and applying glue spray gun, be provided with communicating pipe, described communicating pipe is provided with three-way diverter valve, and the described three-way diverter valve other end is communicated with the water under high pressure distributor.
As a further improvement on the present invention, this spray-bonding craft also comprises step S0: the nozzle of applying glue spray gun is opened, and three-way diverter valve is adjusted position makes mixing tube be communicated with the applying glue spray gun, and the adhesive injection valve is opened, and steam valve is opened.
As a further improvement on the present invention, also be provided with two-way valve between described water under high pressure distributor and described three-way diverter valve.
As a further improvement on the present invention, described communicating pipe is many groups, and described every group of communicating pipe be a corresponding applying glue spray gun and a three-way diverter valve all.
As a further improvement on the present invention, this glue-applying technique also comprises nozzle cleaning, comprise the following steps: the adhesive injection valve cuts out, additive stops carrying, steam valve cuts out, and the three-way diverter valve adjustment is communicated with position, and two-way valve is opened, be communicated with water under high pressure distributor and applying glue spray gun, water under high pressure distributor inject high pressure water.
As a further improvement on the present invention, described additive comprises waterproofing agent, colouring agent and agent for capturing.
The invention has the beneficial effects as follows: pass into high steam after intermixture enters the applying glue spray gun when nozzle spurts, high steam is broken up atomization by intermixture, spray into again in blow-off pipe afterwards, greatly improved the atomizing effect of intermixture, can fully mix with the material fiber in blow-off pipe, can not produce gum spot, guarantee the performance requirement of product, increase the qualification rate of product.
The accompanying drawing explanation
Fig. 1 is schematic diagram of the present invention;
Fig. 2 is the overall structure generalized section of applying glue spray gun of the present invention;
Fig. 3 is the partial structurtes generalized section of applying glue spray gun of the present invention.
The specific embodiment
Reference numeral: 1-holder 2-nozzle assembly 11-diffuser cap 12-steam hole 21-nozzle 4-blow-off pipe 51-static mixer 52-mixing tube 53-main material pipe 54-applying glue spray gun 55-water under high pressure distributor 56-additive pipe 57-three-way diverter valve 58-defibrator 59-drying machine.
As shown in Figure 1 to Figure 3, the invention discloses a kind of spray-bonding craft, during applying glue, at first the nozzle of applying glue spray gun 54 is opened, be communicated with applying glue spray gun 54 and blow-off pipe 4; Adjust the position of three-way diverter valve 57, be communicated with mixing tube 52 and applying glue spray gun 54; Open the adhesive injection valve.
Secondly, adhesive enters into static mixer 51 by main material pipe 53, be provided with the spiral spray device in static mixer 51, the spiral spray device is communicated with main material pipe 53, adhesive is injected in static mixer 51 in the shape of a spiral, the additives such as waterproofing agent, colouring agent, agent for capturing enter in static mixer 51 from the additive pipe 56 of wing passage, and additive and adhesive are in the interior atomization of static mixer 51 and be thoroughly mixed to form intermixture.
Be provided with static mixer 51, additive and adhesive were introduced in static mixer 51 before entering mixing tube, be provided with the spiral spray device in static mixer 51, can be by additive and adhesive in the interior abundant atomization of static mixer 51 and be uniformly mixed to form intermixture, again intermixture is delivered in mixing tube 52 and is distributed afterwards, greatly improved the uniformity that additive mixes with adhesive, do not need to add more additive, guaranteed the performance requirement of product, increased the qualification rate of product and reduced production cost.
Then intermixture is transported in mixing tube 52, mixing tube 52 is communicated with applying glue spray gun 54, be provided with many communicating pipes between mixing tube 52 and applying glue spray gun 54, be equipped with a three-way diverter valve 57 on every communicating pipe, mixing tube 52 is delivered to applying glue spray gun 54 after being assigned in every communicating pipe by intermixture, applying glue spray gun 54 is provided with steam hole 12, steam hole 12 is communicated with steam distributor, between steam distributor and steam hole 12, by pipeline, be connected, pipeline is provided with steam valve, during applying glue after nozzle opened for three seconds fully, steam valve is opened, high steam passes in applying glue spray gun 54, when intermixture enter applying glue spray gun 54 interior after before ejection applying glue spray gun 54, high steam is broken up atomization by the intermixture of nozzle ejection, and then from the 54 outlet ejections of applying glue spray gun.
Applying glue spray gun 54 comprises holder 1 and the nozzle assembly 2 be connected with this holder 1, nozzle assembly 2 comprises nozzle 21, holder 1 one ends are communicated with blow-off pipe 4, the intermixture of the adhesive of nozzle assembly 2 ejections and additive and the material fiber in blow-off pipe 4 are mixed, holder 1 one sides are provided with steam hole 12, steam hole 12 is communicated with the high steam distributor, the intermixture of nozzle 21 ejections enters in holder 1, steam hole 12 ejection high steams are fully broken up intermixture, greatly strengthened the atomizing effect of intermixture, in prior art, in order to improve atomizing effect, can only realize by increasing pressure, and increase especially little that pressure need to do the outlet of nozzle, not only the less meeting of the outlet of higher pressure transient but also nozzle is easy to result in blockage, cause producing unstable, affect operating efficiency, the present invention is without the need for higher pressure but by high steam, intermixture is broken up to realize better atomizing effect, so the outlet of nozzle is very little with regard to what do not need to do, so greatly reduced blocked probability, stable and production efficiency have been guaranteed to produce.
Last applying glue spray gun 54 is ejected into intermixture in blow-off pipe 4 and is mixed with material fiber, and applying glue finishes.
After entering applying glue spray gun 54, intermixture passes into high steam when nozzle spurts, high steam is broken up atomization by intermixture, spray into again afterwards in blow-off pipe 4, greatly improved the atomizing effect of intermixture, can fully mix with the material fiber in blow-off pipe 4, timber intensity has improved 30%-50%, improved the utilization rate of adhesive, can save adhesive 15% left and right, the applying glue uniformity improves 200%, can not produce gum spot, guaranteed the performance requirement of product, increased the qualification rate of product, and when defibrator rotating speed and condition change, can stablize the ratio of controlling adhesive and fiber.
In Process of Applying Glue, this spray-bonding craft also comprises nozzle cleaning, three-way diverter valve 57 other ends also are connected with water under high pressure distributor 55, also be provided with two-way valve between described water under high pressure distributor 55 and three-way diverter valve 57, when the applying glue end is rear or break down hesitation due to production line, close the adhesive injection valve, adjust the position of three-way diverter valve 57, be communicated with water under high pressure distributor 55 and applying glue spray gun 54, open two-way valve, water under high pressure is by be injected in applying glue spray gun 54 communicating pipe, finally be injected in delivery pipe 4, by delivery pipe 4, discharge, pipeline and nozzle are cleaned to the industrial chemicals that will remain in pipeline to be poured in blow-off pipe 4, guarantee not have in passage the adhesive of Thermocurable, can be due to residue when next applying glue plug nozzle.
After cleaning 60 seconds, stop water spray, nozzle is closed, and prepares next applying glue.
The automatic cleaning of nozzle can raising equipment normal operation rate, and split run increases output 13.7%, and nozzle cleans loss and the waste that reduces cleaning process glue automatically, reduces the pollution of waste discharge to environment.
Blow-off pipe 4 one ends are connected with defibrator 58, the other end is connected with drying machine 59, defibrator 58 is ground to form pulp fiber by material and is ejected in blow-off pipe 4 and is mixed with adhesive and other additive, then is transported in drying machine 59 and carries out drying, then carries out the processing and forming of sheet material.
Above content is in conjunction with concrete preferred embodiment further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For the general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (9)
1. a steam atomization glue-applying technique, is characterized in that, comprises the following steps:
Step S1: adhesive and additive enter mixing tube and are mixed to form intermixture;
Step S2: described intermixture is delivered in the applying glue spray gun;
Step S3: high steam sprays in described applying glue spray gun, and intermixture is broken up to atomization;
Step S4: intermixture sprays in blow-off pipe and mixes with pulp fiber.
2. steam atomization glue-applying technique according to claim 1, it is characterized in that: described applying glue spray gun is provided with steam hole, and described steam hole is communicated with steam distributor.
3. steam atomization glue-applying technique according to claim 2 is characterized in that: between described steam distributor and described steam hole, by pipeline, be connected, described pipeline is provided with steam valve.
4. steam atomization glue-applying technique according to claim 3, it is characterized in that: be provided with communicating pipe between described mixing tube and applying glue spray gun, described communicating pipe is provided with three-way diverter valve, and the described three-way diverter valve other end is communicated with the water under high pressure distributor.
5. steam atomization glue-applying technique according to claim 4, it is characterized in that: this spray-bonding craft also comprises step S0: the nozzle of applying glue spray gun is opened, three-way diverter valve is adjusted position makes mixing tube be communicated with the applying glue spray gun, and the adhesive injection valve is opened, and steam valve is opened.
6. steam atomization glue-applying technique according to claim 5, is characterized in that: between described water under high pressure distributor and described three-way diverter valve, also be provided with two-way valve.
7. steam atomization glue-applying technique according to claim 6, it is characterized in that: described communicating pipe is many groups, described every group of communicating pipe be a corresponding applying glue spray gun and a three-way diverter valve all.
8. steam atomization glue-applying technique according to claim 7, it is characterized in that: this glue-applying technique also comprises nozzle cleaning, comprise the following steps: the adhesive injection valve cuts out, additive stops carrying, steam valve cuts out, and the three-way diverter valve adjustment is communicated with position, and two-way valve is opened, be communicated with water under high pressure distributor and applying glue spray gun, water under high pressure distributor inject high pressure water.
9. steam atomization glue-applying technique according to claim 1, it is characterized in that: described additive comprises waterproofing agent, colouring agent and agent for capturing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310327735.0A CN103422258B (en) | 2013-07-31 | 2013-07-31 | A kind of steam atomization glue-applying technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310327735.0A CN103422258B (en) | 2013-07-31 | 2013-07-31 | A kind of steam atomization glue-applying technique |
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| Publication Number | Publication Date |
|---|---|
| CN103422258A true CN103422258A (en) | 2013-12-04 |
| CN103422258B CN103422258B (en) | 2017-03-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310327735.0A Expired - Fee Related CN103422258B (en) | 2013-07-31 | 2013-07-31 | A kind of steam atomization glue-applying technique |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2067607U (en) * | 1989-11-01 | 1990-12-19 | 国营山东化工厂 | Static mixer for spraying coatings |
| JPH0871459A (en) * | 1994-09-06 | 1996-03-19 | Ransburg Ind Kk | Two-pack mixing device for coating |
| CN1647861A (en) * | 2004-01-26 | 2005-08-03 | 张元程 | Hot spraying method for liquid anti-corrosion coating |
| WO2007034058A1 (en) * | 2005-09-19 | 2007-03-29 | Sames Technologies | Installation for spraying a multicomponent coating product |
| CN102166489A (en) * | 2011-03-04 | 2011-08-31 | 中国石油大学(华东) | Continuous rotatable jet type static mixer |
-
2013
- 2013-07-31 CN CN201310327735.0A patent/CN103422258B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2067607U (en) * | 1989-11-01 | 1990-12-19 | 国营山东化工厂 | Static mixer for spraying coatings |
| JPH0871459A (en) * | 1994-09-06 | 1996-03-19 | Ransburg Ind Kk | Two-pack mixing device for coating |
| CN1647861A (en) * | 2004-01-26 | 2005-08-03 | 张元程 | Hot spraying method for liquid anti-corrosion coating |
| WO2007034058A1 (en) * | 2005-09-19 | 2007-03-29 | Sames Technologies | Installation for spraying a multicomponent coating product |
| CN102166489A (en) * | 2011-03-04 | 2011-08-31 | 中国石油大学(华东) | Continuous rotatable jet type static mixer |
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| Publication number | Publication date |
|---|---|
| CN103422258B (en) | 2017-03-29 |
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