CN212284535U

CN212284535U - Automatic fire retardant spraying device for polyester fiber flame-retardant acoustic board

Info

Publication number: CN212284535U
Application number: CN202020700476.7U
Authority: CN
Inventors: 王教友; 王蕴商
Original assignee: Qingdao Boss Flame Retardant Textile Materials Co ltd
Current assignee: Qingdao Boss Flame Retardant Textile Materials Co ltd
Priority date: 2020-04-30
Filing date: 2020-04-30
Publication date: 2021-01-05
Anticipated expiration: 2030-04-30

Abstract

The utility model relates to the technical field of textile machinery, in particular to a flame retardant automatic spraying device for a polyester fiber flame-retardant acoustic board, which comprises a frame, a plurality of conveying rollers which are correspondingly arranged on the frame up and down and used for conveying the acoustic board, a storage box used for storing the flame retardant, and a conveying pipe used for conveying the flame retardant, wherein one end of the conveying pipe is communicated with a pressure pump used for pumping the flame retardant to the conveying pipe, the other end of the conveying pipe is communicated with a spraying part used for spraying the flame retardant to the acoustic board through a connecting component, the connecting component comprises a bent pipe communicated with the conveying pipe and a three-way pipe communicated with the bent pipe, the spraying part comprises two spraying pipes communicated with the three-way pipe, a plurality of spraying heads are arranged along the length direction of the spraying pipes, the spraying heads can effectively ensure the stability of the conveying pressure of, prevent the shower head from blocking up, effectively guarantee flame retardant efficiency.

Description

Automatic fire retardant spraying device for polyester fiber flame-retardant acoustic board

Technical Field

The utility model belongs to the technical field of the spinning machine technique and specifically relates to a fire retardant automatic spraying device for fire-retardant abatvoix of polyester fiber.

Background

The flame-retardant sound-absorbing board is also called a polyester fiber sound-absorbing board, is totally called a polyester fiber decorative sound-absorbing board, and is a decorative material which is prepared by taking polyester fiber as a raw material and performing hot press molding and has the sound-absorbing function. The polyester fiber with the material characteristics of 100% is hot-pressed by high technology and made in a cocoon cotton shape, the density diversity is realized, the ventilation is ensured, the polyester fiber becomes an excellent product in sound absorption and heat insulation materials, the highest sound absorption coefficient reaches more than 0.9 in the noise range of 125-4000 HZ, the reverberation time is shortened and adjusted according to different requirements, sound impurities are removed, the sound effect is improved, and the speech definition is improved. The product has the characteristics of decoration, heat preservation, flame retardance, environmental protection, light weight, easy processing, stability, impact resistance, simple and convenient maintenance and the like. Becomes a preferred decorative sound-absorbing material for indoor decoration. The fireproof performance of the sound-absorbing material is important in the event places such as movie theaters, dance halls, auditoriums, multi-functional halls and gymnasiums where the public gathers. The polyester fiber acoustic board is tested for fireproof parameters by the national fireproof detection center, and the result shows that the polyester fiber acoustic board has better fireproof performance and meets the national standard GB8624B1 level requirement. The polyester fiber acoustic board is suitable for places with strict acoustic requirements, such as operas houses, movie theaters, recording rooms, recording studios, broadcasting rooms, test rooms, television stations, radio stations, business office halls, multifunctional halls, meeting rooms, studio halls, concert halls, auditoriums, gymnasiums, leisure and entertainment cities, hotels, KTVs, BAND rooms, high-level villas or home lives and the like.

The production process of the polyester fiber sound-absorbing board generally comprises the following steps: opening, cotton mixing, carding, lapping, needling, oven hot press molding, air cooling treatment, edge cutting and the like. To impart flame retardant properties to polyester fiber sound-absorbing panels, flame retardants are added. The addition method mainly comprises a plate surface coating method and an addition method. The additive method, i.e. the flame retardant treatment before board formation, is to physically blend the flame retardant with the fibers by simple mechanical stirring or to spray the flame retardant on the fibers and then press the fibers into boards. Although the whole board has the flame retardant effect, the method has large consumption of the flame retardant, and the internal bonding strength of the board is reduced along with the addition of the flame retardant, so that the mechanical property of the board is influenced, and the use of the board is limited; because the prior polyester fiber flame-retardant acoustic board is prepared by mixing, carding and lapping polyester fibers, low-melting-point sheath-core fibers and three-dimensional hollow fibers, the addition method is not suitable for the production of the polyester fiber flame-retardant acoustic board. The coating method is that after the fiber is formed into a board, the surface of the fiber board is uniformly coated with a flame retardant or a flame retardant coating to prepare the flame retardant fiber board. Although the method has the advantages of external layer protection, direct flame retardant effect and small using amount, the method also has the problems of poor durability, nonuniform spraying, the relation between the adhesive property of the adhesive and the addition amount of the flame retardant and the like, and once the flame retardant surface layer is damaged, the whole plate has no flame retardant effect any more.

At present, the flame-retardant fiber board is generally prepared by adopting a single addition method, namely, the flame-retardant treatment is carried out before the board is formed, namely, the flame retardant and the fiber are simply and mechanically stirred and physically blended or the flame retardant is sprayed on the fiber and then pressed into the board. The method can affect the mechanical property of the fiber board to a certain extent, and can reduce the internal bonding strength of the product along with the addition of the flame retardant, thereby reducing the mechanical property of the board and limiting the use of the board. In addition, the cost is high, and the whole board can be ensured to have flame retardant property only by uniformly mixing the flame retardant and the fibers, so that the addition amount of the flame retardant is large, and the cost is high.

For the production of polyester fiber flame-retardant boards, the production process is as follows: the polyester fiber board after a series of procedures such as opening, cotton mixing, carding, lapping, needling, oven hot press molding and the like is immersed in a water tank filled with a flame retardant, and after the polyester fiber board is immersed for a certain time and the flame retardant is completely immersed, the polyester fiber board is taken out and aired until the moisture is completely dried. For example, CN 106113214 a discloses a preparation method of composite flame-retardant fiber board. The polyester fiber flame-retardant board prepared by the method can change the shape of the polyester fiber board, the dehydrated polyester fiber board reduces the hardness of the polyester fiber board, the flame retardant is attached to the surface of the fiber by adopting an impregnation mode, and the flame retardant falls off from the surface of the fiber after being used for a certain time, so that the flame-retardant effect is influenced.

CN106835554A discloses fire retardant spray set of fire-retardant abatvoix of polyester fiber, including the immersion fluid case that is used for impregnating the abatvoix fire retardant, top at the immersion fluid case is provided with a plurality of shower heads, the conveyer pipe that is used for carrying the fire retardant is all connected to each shower head, be connected with on the conveyer pipe and be used for providing the spray tank of fire retardant and drive fire retardant high pressure spun force pump to the shower head, still including one and be used for controlling the abatvoix and get into the immersion fluid case and dip the big or small impregnation quantity control mechanism of fire retardant degree of depth, impregnation quantity control mechanism is including driving the lifting support that the abatvoix ingresses the fire retardant, be provided with the servo motor that drives lifting support goes up and down on the immersion fluid case, be provided with the position sensor who is used. The flame retardant is soaked under the upper spraying mode, so that the sound-absorbing board can be ensured to have good formability after being dried while the good flame-retardant effect of the sound-absorbing board is effectively ensured, and the hardness reaches the standard. However, in the actual production process, if the pressure pump has unstable voltage, the conveying pressure of the flame retardant is lost or unstable, and due to the viscosity of the flame retardant, the spraying amount of the flame retardant is not uniform due to the loss or instability of the conveying pressure, and the blockage of a spraying port, the flame retardant cannot reach the flame retardant standard, so that the flame retardant effect of the product is influenced.

Disclosure of Invention

Aiming at the defects of the prior art, the automatic flame retardant spraying device for the polyester fiber flame-retardant acoustic board is provided, the stability of the conveying pressure of the flame retardant can be effectively ensured, the uniformity of the spraying amount of the flame retardant is ensured, the spray head is prevented from being blocked, and the flame retardant effect is effectively ensured.

In order to solve the technical problems, the invention adopts the technical scheme that the automatic fire retardant spraying device for the polyester fiber flame-retardant acoustic panel comprises a rack, a plurality of conveying rollers which are arranged on the rack in a vertically corresponding mode and used for conveying the acoustic panel, a storage box used for storing the fire retardant, and a conveying pipe used for conveying the fire retardant, wherein one end of the conveying pipe is communicated with a pressure pump used for pumping the fire retardant to the conveying pipe, the other end of the conveying pipe is communicated with a spraying part used for spraying the fire retardant to the acoustic panel through a connecting component, the connecting component comprises a bent pipe communicated with the conveying pipe and a three-way pipe communicated with the bent pipe, the spraying part comprises two spraying pipes communicated with the three-way pipe, and a plurality of spraying heads are arranged in the length direction of the spraying pipes.

The spray head comprises a groove with arc surfaces contacted with the outer surface of the spray pipe from two sides, an inner notch arranged at the center of the groove and used for contacting with the outer surface of the spray pipe, a communicating pipe which penetrates through the wall of the groove and is used for communicating with the spray pipe and is arranged at the center of the inner notch, and a pressure compensation adjusting cavity, wherein the pressure compensation adjusting cavity comprises a first adjusting pipe and a second adjusting pipe, the first adjusting pipe is connected with the outer wall surface of the groove, the second adjusting pipe is in threaded connection with the first adjusting pipe, one end of the second adjusting pipe is provided with a liquid spraying cavity, a liquid inlet hole is arranged at the joint of the second adjusting pipe and the liquid spraying cavity along the tangential direction of the inner wall of the spray head, the bottom of the liquid spraying cavity is provided with a connecting cylinder in threaded connection with the liquid spraying cavity, the bottom of the connecting cylinder is provided with a sealing plate, and the sealing plate is provided with a liquid outlet hole, fixed cavities are arranged on two sides of the first adjusting pipe, and arc-shaped buckles used for fixing the grooves on the spraying pipe are arranged on the fixed cavities.

The automatic fire retardant spraying device for the polyester fiber fire-retardant acoustic board is characterized in that a rubber gasket is arranged between the inner notch and the communicating pipe, and a rubber cushion layer is arranged on the first adjusting pipe and the connecting cylinder.

The utility model discloses a fire retardant automatic spray device for fire-retardant abatvoix of polyester fiber's beneficial effect is, its stability that can effectively guarantee fire retardant delivery pressure guarantees the homogeneity of fire retardant volume of spraying, prevents that the shower head from blockking up, effectively guarantees product flame retardant efficiency.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a side view of the present invention;

FIG. 3 is a front view of the showerhead;

FIG. 4 is a front view of the liquid spray chamber in connection with the second regulating tube;

FIG. 5 is a sectional view of the liquid ejecting chamber connected to a second regulating tube;

FIG. 6 is a schematic structural diagram of a groove;

fig. 7 is a schematic structural view of the connection of the connecting cylinder and the closing plate.

Detailed Description

The invention is described in detail below with reference to the figures and the embodiments.

As shown in fig. 1, 2, 3, 4, 5, 6 and 7, the automatic fire retardant spraying device for the polyester fiber flame-retardant acoustic panel comprises a frame 1, a plurality of conveying rollers 2 which are arranged on the frame in an up-and-down corresponding mode and used for conveying the acoustic panel, a storage box 3 used for storing the fire retardant, and a conveying pipe 4 used for conveying the fire retardant, wherein one end of the conveying pipe is communicated with a pressure pump used for pumping the fire retardant to the conveying pipe, the other end of the conveying pipe is communicated with a spraying part used for spraying the fire retardant to the acoustic panel through a connecting component, the connecting component comprises an elbow pipe 5 communicated with the conveying pipe and a three-way pipe 6 communicated with the elbow pipe, the spraying part comprises two spraying pipes 7 communicated with the three-way pipe, and a plurality of spraying heads 8 are arranged in the.

The spray head comprises a groove 9 with arc surfaces contacted with the outer surface of the spray pipe on two sides, an inner notch 10 arranged at the center of the groove and used for being contacted with the outer surface of the spray pipe, a communicating pipe 11 penetrating through the wall of the groove and used for being communicated with the spray pipe, and a pressure compensation adjusting cavity, wherein the pressure compensation adjusting cavity comprises a first adjusting pipe 12 with the outer surface of the groove, a second adjusting pipe 13 in threaded connection with the first adjusting pipe, a liquid spraying cavity 14 arranged at one end of the second adjusting pipe, a liquid inlet hole 15 arranged at the joint of the second adjusting pipe and the liquid spraying cavity along the tangential direction of the inner wall of the spray head, a connecting cylinder 16 in threaded connection with the liquid spraying cavity arranged at the bottom of the liquid spraying cavity, a sealing plate 17 arranged at the bottom of the connecting cylinder, a liquid outlet hole 18 arranged on the sealing plate, an inner concave circle arranged at the bottom of the sealing plate, and a liquid outlet hole arranged at the center of the inner concave circle, the two sides of the first adjusting pipe are provided with a fixed cavity 19, and the fixed cavity is provided with an arc buckle 20 for fixing the groove on the spraying pipe.

Be equipped with the rubber packing ring between interior notch and communicating pipe, be equipped with the rubber cushion on first regulating pipe and connecting cylinder, prevent that the fire retardant from producing the seepage when carrying.

When the pressure is unstable, firstly, the spraying speed of the fire retardant is different, so that the spraying is uneven, the fire retardant effect of the product is influenced, and secondly, the liquid outlet hole is easy to block due to the viscosity of the fire retardant. When the fire retardant entered into through the three-way pipe to both sides spray pipe, for a fire retardant follow unilateral entering spray pipe, the fire retardant stroke is shorter, pressure is more stable, and simultaneously, when the fire retardant got into communicating pipe by the spray pipe, the pressure grow, get into pressure compensation regulation chamber fast, pressure reduces, when getting into the feed liquor hole by pressure compensation regulation chamber, pressure grow again, after the fire retardant got into the hydrojet chamber by the feed liquor hole, the fire retardant formed the rotation state at the hydrojet intracavity, as shown in figure 5, the fire retardant is followed the drain hole blowout at last, because the fire retardant forms rotation state at the hydrojet intracavity, be the toper form from drain hole spun fire retardant and fall into on the fire-retardant abatvoix of polyester fiber, the spray surface is bigger for square drain hole scope, it is more even. This application makes the pressure that gets into the fire retardant spray line more stable through the three-way pipe, and when spray line pressure was not enough, pressure compensation adjusted the chamber and played the pressure compensation effect. The three-way pipe and the pressure compensation adjusting cavity ensure the pressure stability of the fire retardant, ensure the spraying speed and the spraying amount stability of the fire retardant, and prevent the fire retardant from being blocked in the liquid outlet hole.

Of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and the changes, modifications, additions or substitutions made by those skilled in the art within the scope of the present invention should also belong to the protection scope of the present invention.

Claims

1. A fire retardant automatic spray system for fire-retardant abatvoix of polyester fiber, including the frame, a plurality of upper and lower correspondences set up the conveying roller that is used for carrying the abatvoix in the frame to and be used for storing the bin of fire retardant, its characterized in that: the flame retardant spraying device is characterized by further comprising a conveying pipe for conveying a flame retardant, one end of the conveying pipe is communicated with a pressure pump for pumping the flame retardant to the conveying pipe, the other end of the conveying pipe is communicated with a spraying part for spraying the flame retardant to the sound absorption board through a connecting assembly, the connecting assembly comprises a bent pipe communicated with the conveying pipe and a three-way pipe communicated with the bent pipe, the spraying part comprises two spraying pipes communicated with the three-way pipe, and a plurality of spraying heads are arranged along the length direction of the spraying pipes.

2. The automatic fire retardant spraying apparatus for a polyester fiber fire-retardant and sound-absorbing panel as claimed in claim 1, wherein the spray head comprises a groove having arcuate surfaces formed at both sides thereof for contacting the outer surface of the spray tube, an inner recess formed at the center of the groove for contacting the outer surface of the spray tube, a communicating pipe provided at the center of the inner recess and extending through the wall of the groove for communicating with the spray tube, and a pressure compensation adjustment chamber comprising a first adjustment pipe provided at the outer wall surface of the groove, a second adjustment pipe screwed to the first adjustment pipe, a liquid injection chamber provided at one end of the second adjustment pipe, a liquid inlet hole provided at the junction of the second adjustment pipe and the liquid injection chamber in a tangential direction of the inner wall of the nozzle, a connecting cylinder screwed to the liquid injection chamber provided at the bottom of the liquid injection chamber, and a closing plate provided at the bottom of the connecting cylinder, the sealing plate is provided with a liquid outlet, the two sides of the first adjusting pipe are provided with fixed cavities, and the fixed cavities are provided with arc-shaped buckles for fixing the grooves on the spraying pipes.

3. The automatic spraying device of fire retardant for polyester fiber fire retardant acoustic panel according to claim 1, wherein a rubber gasket is provided between the inner recess and the communicating pipe, and a rubber cushion is provided on the first adjusting pipe and the connecting cylinder.