CN113019250A

CN113019250A - Production equipment and production process of internal spraying liquid

Info

Publication number: CN113019250A
Application number: CN202110387546.7A
Authority: CN
Inventors: 邢留信; 李天宝; 李会忠
Original assignee: Weihai Xinxing Chemical Technology Co ltd
Current assignee: Weihai Xinxing Chemical Technology Co ltd
Priority date: 2021-04-10
Filing date: 2021-04-10
Publication date: 2021-06-25

Abstract

The application relates to the field of spraying agent, specifically disclose a production facility of interior spraying liquid, it is including mixing the cauldron, be equipped with agitating unit in the mixing cauldron, the liquid feed inlet has been seted up on mixing cauldron top, the position fixedly connected with inlet pipe that is close to the liquid feed inlet in the mixing cauldron, the inlet pipe is located the inside top setting of mixing cauldron, the inlet pipe is the annular setting and is located the setting of mixing cauldron upper end, a plurality of unloading holes have evenly been seted up to the inlet pipe downside, the solid feed inlet has been seted up on mixing cauldron top, the discharging pipe is worn to be equipped with to the mixing cauldron bottom, the mixing cauldron outer wall is. This application liquid raw materials passes through the even unloading of the unloading hole on the inlet pipe, and solid powder passes through the feeding of solid feed inlet, improves mixing uniformity and product quality. The produced inner spraying liquid has uniform texture, does not generate precipitate, does not need to be diluted, is directly sprayed on the surface of the green tire, is quick to dry, has easy control of a spraying mode, and can ensure that the capsule and the green tire have good sliding performance and demolding performance after vulcanization.

Description

Production equipment and production process of internal spraying liquid

Technical Field

The application relates to the field of spraying agents, in particular to production equipment and a production process of internal spraying liquid.

Background

The inner spraying liquid is mainly used for spraying to the inner surface of the tire, and is mainly used for preventing the tire from being adhered during vulcanization and playing a role in isolation.

The related technology can refer to Chinese application with application publication number CN108485515A, which discloses a tire inner spraying agent and a preparation method thereof, and the tire inner spraying agent comprises the following components in parts by mass: 8-12 parts of carbon black, 5-9 parts of a tackifier, 220-260 parts of a silicone oil emulsion, 80-120 parts of polyethylene glycol, 800-1100 parts of talcum powder, 60-80 parts of an anionic surfactant and 750-950 parts of deionized water.

In view of the above-mentioned related technologies, the inventor finds that whether the spraying liquid in the tire is uniformly mixed or not directly affects the quality of the finished product in the production process, and the non-uniform mixing can cause overall defects.

Disclosure of Invention

In order to improve the uniformity of mixing and improve the product quality, the application provides production equipment and a production process of an internal spraying liquid.

In a first aspect, the production equipment for the internal spraying liquid provided by the application adopts the following technical scheme:

the utility model provides a production facility of interior spraying liquid, includes mixed cauldron, be equipped with agitating unit in the mixed cauldron, the liquid feed inlet has been seted up on mixed cauldron top, be close to in the mixed cauldron the fixedly connected with inlet pipe in position of liquid feed inlet, the inlet pipe is located the inside top setting of mixed cauldron, the inlet pipe is the annular setting and is located mixed cauldron upper end sets up, a plurality of unloading holes have evenly been seted up to the inlet pipe downside, the solid feed inlet has been seted up on mixed cauldron top, the discharging pipe is worn to be equipped with to mixed cauldron bottom, mixed cauldron outer wall is equipped with temperature regulating device.

Through adopting above-mentioned technical scheme, during the use, pass through liquid feed inlet feeding with liquid raw materials, through the even unloading in the unloading hole on the inlet pipe, solid powder passes through solid feed inlet feeding, and agitating unit mixes, and temperature regulating device carries out temperature control in to mixing kettle, and the finished product passes through the discharging pipe ejection of compact, and the inlet pipe can make liquid pass through the even unloading in the unloading hole of inlet pipe lower extreme gradually, improves mixing uniformity and product quality. The interior spraying liquid texture of production is even, can not produce the sediment, need not during the use to dilute, and direct atomizing spraying is on green child surface, and is dry fast, and the spraying mode is easily controlled, has good seven stars of clapping, can prevent the adhesion of capsule and inner liner, and the tire inboard after the vulcanization is bright and level and smooth.

Optionally, a horizontally arranged sieve is rotatably connected to a position, close to the lower part of the solid feed port, of the mixing kettle, the sieve rotates in a horizontal plane, the sieve is circularly located in the feed pipe, and sieve holes are uniformly formed in the sieve.

Through adopting above-mentioned technical scheme, in the powder through the feeding of solid feed inlet fell into the sieve, rotated through the sieve and driven the powder and rotate, at the unloading gradually of rotation in-process, the feeding was more even unanimous along cauldron internal wall mixture.

Optionally, the spring is fixedly connected in the mixing kettle, the spring faces the sieve, the spring is far away from one end fixedly connected with elastic block of the mixing kettle, the sieve is fixedly connected with a vibration block, each rotation circle of the sieve is realized, and the vibration block is abutted against the elastic block and is separated from the elastic block under the elastic action of the spring.

Through adopting above-mentioned technical scheme, through the setting of spring and bullet piece, when the sieve rotated, once rotated every, vibrations piece was contradicted with the bullet piece and is broken away from under the elastic action who rotates power and spring, can realize vibrations to the sieve, makes the powder unloading faster, reduces powder and deposits up on the sieve.

Optionally, agitating unit is including rotating the interior edge of connection and mixing kettle the (mixing) shaft that mixing kettle axis set up, agitator shaft bottom end fixedly connected with laminating the scraper blade of mixing kettle inside wall, fixedly connected with auger on the (mixing) shaft, the sieve with (mixing) shaft fixed connection.

Through adopting above-mentioned technical scheme, the liquid upward movement of bottom can be made through the auger to the stirring in-process, makes the great sunken material of gravity can rise, improves the homogeneity of mixing, and the scraper blade can be scraped the material that adheres to at cauldron body side wall simultaneously, improves the cauldron body edge mobility of keeping away from the (mixing) shaft, makes the mixture more even.

Optionally, the auger is arranged along the arc of which the radial section of the stirring shaft is sunken downwards.

Through adopting above-mentioned technical scheme, the auger is sunken downwards, can improve the conveying capacity, reduces the effect of rotation in-process centrifugal force, has improved the adhesive force of material with the blade, can effectively improve and transport the volume from ascending material down to improve mixed effect.

Optionally, the stirring device further comprises a stirring blade fixedly connected to the stirring shaft, the stirring blade and the auger are arranged in a staggered manner, the stirring blade is arranged in an inclined manner, and a through hole horizontally arranged is formed in the stirring blade.

Through adopting above-mentioned technical scheme, through setting up stirring vane and auger in a staggered way, the auger realizes the transportation and stirs simultaneously at the (mixing) shaft rotation in-process auger, stirring vane can improve the stirring and mix the effect, the stirring vane that sets up through the slope can provide the axial power of liquid rotating the in-process, it is more even to make liquid mix in the axial, the through-hole setting then can be convenient for the fluid to pass through, the drag reduction, liquid can form the great torrent of velocity of flow through the through-hole simultaneously, can improve mixed effect.

Optionally, a discharge valve is arranged on the discharge pipe, a circulating pipe is fixedly connected to the discharge pipe and communicated with the discharge pipe, the other end of the circulating pipe penetrates through the upper portion of the mixing kettle and is communicated with the feed pipe, and a circulating pump is arranged on the circulating pipe.

Through adopting above-mentioned technical scheme, the bleeder valve can be convenient for carry out the internal fluid blowing of cauldron, simultaneously in mixing process, can upwards pump the fluid of mixing kettle bottom through the circulating pump, makes the bottom get back to the top again because density is great and sedimentary fluid, is convenient for improve mixing effect.

In a second aspect, the production process of the internal spraying liquid provided by the application adopts the following technical scheme:

the production process of the internal spraying liquid uses the production equipment of the internal spraying liquid, and comprises the following steps:

s1, starting a stirring device;

s2, weighing liquid raw materials according to the formula, and feeding the liquid raw materials into a mixing kettle through a liquid feeding hole; s3, weighing solid powder raw materials, and adding the solid powder raw materials into a mixing kettle through a solid feed inlet;

s4, controlling the temperature to be maintained at 35 ℃ in the mixing process by using a temperature control device;

s5, cooling to 30 ℃ and discharging.

Through adopting above-mentioned technical scheme, during the use, open agitating unit earlier, stirring in-process unloading carries out even unloading with liquid feedstock in proper order through liquid feed inlet and inlet pipe and gets into mixing tank and mix, then mixes solid feedstock through mixing tank through the solid feed inlet feeding, can improve mixing effect to control mixing temperature realizes with raw materials misce bene, and the blowing of cooling down at last can improve mixing effect. The produced inner spraying liquid has uniform texture, does not generate precipitate, does not need dilution during use, is sprayed on the surface of a green tire through an atomized air spraying device, and is quick to dry.

Optionally, the liquid raw materials comprise water, fatty alcohol-polyoxyethylene ether MOA-6 and D4 emulsion, the solid raw materials comprise graphite, xanthan gum and an antiseptic and mildew-proof agent, and the solid raw materials are all powder.

By adopting the technical scheme, the liquid and the solid powder are mixed to form uniform mixture fluid. The produced inner spraying liquid is gray black inner spraying liquid, is easy to observe after spraying and control after spraying, can prevent the adhesion of the capsule and the inner liner layer, and ensures that the light quantity of the inner side of the vulcanized tire is smooth. The product can ensure that the capsule and the green tire have good slip performance after vulcanization and demoulding performance.

Optionally, after the liquid feeding is finished, the circulating pump is started to pump the liquid upwards from the lower part of the mixing kettle to realize circulation.

Through adopting above-mentioned technical scheme, start the circulating pump in mixing process and realize the circulation, take out the top with the material of mixing kettle bottom, can improve mixing effect.

In summary, the present application includes at least one of the following beneficial technical effects:

1. liquid raw materials are fed through a liquid feeding hole, the materials are evenly discharged through a discharging hole in a feeding pipe, solid powder is fed through a solid feeding hole, a stirring device is used for mixing, a temperature control device is used for controlling the temperature in a mixing kettle, finished products are discharged through a discharging pipe, the feeding pipe can enable the liquid to be gradually and evenly discharged through the discharging hole in the lower end of the feeding pipe, and the mixing evenness and the product quality are improved;

2. powder fed through the solid feed inlet falls into the sieve, the sieve rotates to drive the powder to rotate, the powder is fed gradually in the rotating process, and the feeding is more uniformly and consistently mixed along the inner wall of the kettle body;

3. open agitating unit earlier, the unloading of stirring in-process carries out even unloading with liquid feedstock in proper order through liquid feed inlet and inlet pipe and gets into the mixing kettle and mix, then mixes solid feedstock through the solid feed inlet feeding through mixing kettle, can improve the mixing effect to control mixing temperature realizes mixing raw materials homogeneous mixing, and the blowing of cooling at last can improve mixing effect and product quality. The produced inner spraying liquid has uniform texture, does not generate precipitate, does not need dilution during use, is sprayed on the surface of a green tire through an atomized air spraying device, and is quick to dry.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present application.

FIG. 2 is a cross-sectional view of a protruded temperature control device in an embodiment of the present application.

FIG. 3 is a partial structural schematic view of a protruding stirring device in the embodiment of the present application.

Fig. 4 is an enlarged view of a portion a in fig. 2.

Description of reference numerals: 1. a mixing kettle; 111. a liquid feed hopper; 112. a feed pipe; 113. a blanking hole; 121. a solid feed hopper; 122. sieving; 123. screening holes; 124. a vibration block; 125. a spring block; 126. a spring; 13. a stirring device; 131. a stirring shaft; 132. a packing auger; 133. a stirring blade; 134. a through hole; 135. a stirring motor; 136. a squeegee; 14. a temperature control device; 141. a jacket; 142. an electric heating wire; 143. a thermometer; 15. a circulation pipe; 151. a circulation pump; 16. a discharge pipe; 161. a discharge valve.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses production equipment of internal spraying liquid.

Referring to fig. 1 and 2, the production equipment of interior spraying liquid includes mixing kettle 1, and the liquid feed inlet has been seted up on mixing kettle 1 top, and the solid feed inlet has been seted up on mixing kettle 1 top, is equipped with agitating unit 13 in the mixing kettle 1, and discharging pipe 16 is worn to be equipped with in mixing kettle 1 bottom, and mixing kettle 1 outer wall is equipped with temperature regulating device 14. During the use, through mixing kettle 1, realize the feeding of solid and liquid through solid feed inlet and liquid feed inlet, then stir the mixture through agitating unit 13 to the liquid in the cauldron and solid, control the temperature through temperature regulating device 14, improve the effect of misce bene. The produced inner spraying liquid is a tire inner release agent containing inorganic filler and is used for inner side spraying of a tire. The product can ensure that the capsule and the green tire have good slip performance after vulcanization and demoulding performance.

Referring to fig. 2, the stirring device 13 includes a stirring shaft 131 rotatably connected to the mixing kettle 1 along the central axis of the mixing kettle 1, a stirring motor 135 fixedly connected to the top end of the kettle body near the stirring shaft 131, and an output shaft of the stirring motor 135 fixedly connected to the top end of the stirring shaft 131.

Referring to fig. 2 and 3, the stirring shaft 131 is fixedly connected with the packing auger 132, the stirring shaft 131 is fixedly connected with the stirring blade 133, and the stirring blade 133 is arranged perpendicular to the stirring shaft 131. The stirring blades 133 and the packing auger 132 are arranged in a staggered way, the stirring blades 133 are arranged in an inclined way, and through holes 134 which are horizontally arranged are formed on the stirring blades 133. Drive (mixing) shaft 131 through agitator motor 135 and rotate, drive stirring vane 133 and auger 132 and rotate, can upwards carry the liquid of mixing kettle 1 bottom, stir through stirring vane 133 simultaneously, and the slope setting of stirring vane 133 and the setting of through-hole 134 have all improved the mobility of the internal fluid of cauldron to stirring effect has been improved.

Referring to fig. 2 and 3, the auger 132 is disposed in a downwardly concave arc shape along a radial cross section of the agitating shaft 131. Auger 132 that the arc set up can improve the conveying capacity to improve mixed effect.

Referring to fig. 2 and 3, the bottom end of the stirring shaft 131 is fixedly connected with a scraper 136 attached to the inner side wall of the mixing kettle 1. Scraper blade 136 laminating bottom and the lateral wall of solid, during the (mixing) shaft 131 rotation process, scraper blade 136 can be followed internal portion of cauldron and scraped the fluid that is stained with on the internal wall of cauldron.

Referring to fig. 2 and 4, the position of mixing cauldron 1 interior being close to the liquid feed inlet is fixedly connected with inlet pipe 112, and inlet pipe 112 is located the inside top setting of mixing cauldron 1, and inlet pipe 112 is the annular setting and is located mixing cauldron 1 upper end setting, and a plurality of unloading holes 113 have evenly been seted up to inlet pipe 112 downside. A liquid feed hopper 111 is fixedly connected to the mixing kettle 1 at a position close to the liquid feed port. Realize the liquid feeding through liquid feeder hopper 111, liquid gets into inlet pipe 112 in, evenly flows out along the internal homogeneity of cauldron through the unloading hole 113 of inlet pipe 112 downside, improves the homogeneity of feeding, and then improves the homogeneity of mixing.

Referring to fig. 2 and 4, a solid feed hopper 121 is fixedly connected to the mixing still 1 near the solid feed inlet. The mixing still 1 is rotatably connected with a horizontally arranged sieve 122 at a position close to the lower part of the solid feeding hole, and the sieve 122 is fixedly connected with the stirring shaft 131. The sieve 122 rotates along with the stirring shaft 131 in the horizontal plane, the sieve 122 is circularly positioned in the feeding pipe 112, and sieve holes 123 are uniformly formed on the sieve 122. During the use, through solid feeder hopper 121 feeding, solid powder falls into sieve 122, drives sieve 122 through (mixing) shaft 131 and rotates, can spill solid powder gradually, realizes even feeding and homogeneous mixing's effect.

Referring to fig. 2, a spring 126 is fixedly connected in the mixing kettle 1, the spring 126 is arranged towards the sieve 122, one end of the spring 126, which is far away from the mixing kettle 1, is fixedly connected with an elastic block 125, a vibration block 124 is fixedly connected on the sieve 122, and each time the sieve 122 rotates for one circle, the vibration block 124 is abutted against the elastic block 125 and is separated under the elastic action of the spring 126. The sieve 122 rotates along with the stirring shaft 131, the vibration block 124 on the sieve 122 can be driven to rotate, the vibration block 124 collides with the elastic block and then breaks away from the elastic block when the sieve 122 rotates for one circle, the vibration process is realized once when the sieve 122 rotates for one circle, the falling uniformity of solid powder on the sieve 122 is improved, and meanwhile, the accumulation of the solid powder on the sieve 122 is reduced.

Referring to fig. 2, the temperature control device 14 includes a jacket 141 fixed on the outer wall of the mixing kettle 1, and heating wires 142 are uniformly coiled in the jacket 141. The jacket 141 is also provided with heat conducting oil and a thermometer 143. The heat conduction oil is heated through the heating wire 142, the heat conduction oil is indirectly conducted, and the uniform temperature control effect on the mixing kettle 1 can be improved.

Referring to fig. 2, a discharge valve 161 is disposed on the discharge pipe 16, a circulation pipe 15 is fixedly connected and communicated with the discharge pipe 16, the other end of the circulation pipe 15 penetrates through the upper portion of the mixing kettle 1 and is fixedly connected and communicated with the feed pipe 112, and a circulation pump 151 is fixedly disposed on the circulation pipe 15. During the use, through opening bleeder valve 161, the fluid passes through the ejection of compact of discharging pipe 16, then circulating pipe 15 can be convenient for upwards take out the top with the fluid of mixing tank 1 bottom, makes the cauldron body mix more evenly unanimously from top to bottom, improves product quality.

The implementation principle of the production equipment of the inner spraying liquid in the embodiment of the application is as follows: during the use, realize liquid feeding through liquid feeder hopper 111, liquid passes through the even unloading of the unloading hole 113 edge cauldron internal under the annular inlet pipe 112, solid powder passes through sieve 122 simultaneously and rotates even unloading, the raw materials unloading is even to help the misce bene, can circulate the mixture with the material of the internal below of cauldron and the material of top through starting up circulating pump 151 at the in-process that stirs the mixture, auger 132 and the stirring vane 133 of slope setting also can improve the axial mobility and the flow range of liquid, improve the homogeneity of mixture, improve product quality.

The embodiment of the application also discloses a production process of the internal spraying liquid.

The production process of the internal spraying liquid comprises the following steps:

(1) starting the stirring device;

(2) weighing water, fatty alcohol polyoxyethylene ether MOA-6 and D4 emulsion, feeding the emulsion into a mixing kettle through a liquid feeding hole, starting a circulating pump to pump the liquid upwards from the lower part of the mixing kettle after the liquid feeding is finished, and realizing circulation;

(3) weighing graphite, xanthan gum and an antiseptic and mildew preventive, and adding the graphite, the xanthan gum and the antiseptic and mildew preventive into a mixing kettle through a solid feeding port;

(4) controlling the temperature to be 35 ℃ by using a temperature control device and stirring for 2 hours;

(5) cooling to 30 ℃ and discharging.

During the use, open agitating unit earlier, the unloading of stirring in-process carries out even unloading with liquid feedstock in proper order through liquid feed inlet and inlet pipe and gets into the mixing kettle and mix, then mixes solid feedstock through the mixing kettle of solid feed inlet feeding, can improve the mixing effect to control mixing temperature realizes with raw materials misce bene, and the blowing of cooling down at last can obtain misce bene, the interior spraying liquid product that the quality is good. The produced inner spraying liquid is gray black inner spraying liquid, and is easy to observe and control after spraying. The adhesion between the bladder and the inner liner can be prevented, and the light quantity on the inner side of the tire after vulcanization is smooth. The produced inner spraying liquid has uniform texture, does not generate precipitate, does not need dilution during use, is sprayed on the surface of a green tire through an atomized air spraying device, and is quick to dry.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The production equipment of the internal spraying liquid is characterized in that: including mixing kettle (1), be equipped with agitating unit (13) in mixing kettle (1), the liquid feed inlet has been seted up on mixing kettle (1) top, be close to in mixing kettle (1) liquid feed inlet's fixedly connected with inlet pipe (112), inlet pipe (112) are located mixing kettle (1) inside top sets up, inlet pipe (112) are the annular setting and are located mixing kettle (1) upper end sets up, a plurality of unloading holes (113) have evenly been seted up to inlet pipe (112) downside, the solid feed inlet has been seted up on mixing kettle (1) top, discharging pipe (16) are worn to be equipped with in mixing kettle (1) bottom, mixing kettle (1) outer wall is equipped with temperature regulating device (14).

2. The apparatus for producing an internal spraying liquid according to claim 1, wherein: mixing kettle (1) is close to position rotation below the solid feed inlet is connected with sieve (122) that the level set up, sieve (122) are at horizontal rotation, sieve (122) are circular to be located in inlet pipe (112), sieve mesh (123) have evenly been seted up on sieve (122).

3. The apparatus for producing an internal spraying liquid according to claim 2, wherein: mix cauldron (1) internal fixation and connect spring (126), spring (126) orientation sieve (122) set up, spring (126) are kept away from mix cauldron (1) one end fixedly connected with bullet piece (125), fixedly connected with shakes piece (124) on sieve (122), sieve (122) are every to rotate the round, shake piece (124) with bullet piece (125) are contradicted and are broken away from under the elastic action of spring (126).

4. The apparatus for producing an internal spraying liquid according to claim 2, wherein: agitating unit (13) are including rotating connect and mix interior edge of cauldron (1) mixing shaft (131) that cauldron (1) axis set up, the laminating of (mixing) shaft (131) bottom fixedly connected with mixing scraper blade (136) of cauldron (1) inside wall, fixedly connected with auger (132) on (mixing) shaft (131), sieve (122) with (mixing) shaft (131) fixed connection.

5. The apparatus for producing an internal spraying liquid according to claim 4, wherein: the packing auger (132) is arranged along the radial section of the stirring shaft (131) in a downward sunken arc shape.

6. The apparatus for producing an internal spraying liquid according to claim 4, wherein: agitating unit (13) still include fixed connection in stirring vane (133) on (mixing) shaft (131), stirring vane (133) with auger (132) crisscross the setting, stirring vane (133) are the slope form and set up, through-hole (134) that set up horizontally are seted up on stirring vane (133).

7. The apparatus for producing an internal spraying liquid according to claim 1, wherein: be equipped with bleeder valve (161) on discharging pipe (16), fixed connection and intercommunication are equipped with circulating pipe (15) on discharging pipe (16), the other end of circulating pipe (15) is worn to locate mixing kettle (1) upper portion and with inlet pipe (112) intercommunication, be equipped with circulating pump (151) on circulating pipe (15).

8. The production process of the internal spraying liquid is characterized in that: production plant using an internal spraying fluid according to any one of claims 1 to 7, comprising the following steps:

s1, starting the stirring device (13);

s2, weighing liquid raw materials according to the formula, and feeding the liquid raw materials into the mixing kettle (1) through a liquid feed inlet;

s3, weighing solid powder raw materials, and adding the solid powder raw materials into the mixing kettle (1) through a solid feed inlet;

s4, controlling the temperature to be maintained at 35 ℃ in the mixing process by using a temperature control device (14);

s5, cooling to 30 ℃ and discharging.

9. A process for the production of an internal spray coating fluid according to claim 8, wherein: the liquid raw materials comprise water, fatty alcohol-polyoxyethylene ether MOA-6 and D4 emulsion, the solid raw materials comprise graphite, xanthan gum and an antiseptic and mildew-proof agent, and the solid raw materials are all powder.

10. A process for the production of an internal spray coating fluid according to claim 7, wherein: after the liquid feeding is finished, a circulating pump (151) is started to pump the liquid upwards from the lower part of the mixing kettle (1) to realize circulation.