CN111793838A - Melt-blown cooling device applied to automatic production line of non-woven fabric - Google Patents
Melt-blown cooling device applied to automatic production line of non-woven fabric Download PDFInfo
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- CN111793838A CN111793838A CN202010461599.4A CN202010461599A CN111793838A CN 111793838 A CN111793838 A CN 111793838A CN 202010461599 A CN202010461599 A CN 202010461599A CN 111793838 A CN111793838 A CN 111793838A
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/08—Melt spinning methods
- D01D5/088—Cooling filaments, threads or the like, leaving the spinnerettes
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Abstract
A melt-blown cooling device applied to an automatic production line of non-woven fabrics comprises a main blast pipe, a blast pipe bracket, a hoop, a blind plate, a ventilator, a nozzle, a water separator and a water collector; the main blast pipes are arranged on two sides of the melt-blown platform; the anchor ear surrounds the outer wall of the main air supply pipe, and two ends of the anchor ear are fixedly arranged with the air supply pipe bracket through bolts matched with fasteners; the blind plate is fixed with the blind plate at the end part of the main air supply pipe through a bolt; the ventilator is arranged at the bottom ends of the two sides of the melt-blown platform and comprises a shell, an air inlet pipe, a liquid pipe, a heat exchange plate, a sealing plate and a heat insulation layer; the water outlet pipe of the water separator is connected with the liquid pipe on one side of the ventilator through a flange, and the inlets of the water separators on the two sides are connected with the circulating water inlet pipe; the water inlet pipe of the water collector is connected with the liquid pipe on one side of the ventilator through a flange, and the outlets of the water collectors on the two sides are connected with the circulating water outlet pipe. The ventilator structure is arranged at the nozzle, so that the fresh air is refrigerated and heat exchanged, and the cooling efficiency is improved; the service life of the device is long.
Description
Technical Field
The invention relates to the field of cooling devices, in particular to a melt-blown cooling device applied to an automatic non-woven fabric production line.
Background
Nonwoven fabrics, also known as nonwovens, are composed of oriented or random fibers. It is called a cloth because of its appearance and certain properties. The non-woven fabric has light weight, fluffiness and good hand feeling; the finished product has moderate softness and comfortable sensation; the fabric is made of 100 percent of fiber, has porosity and good air permeability, is easy to keep the fabric surface dry and comfortable and is easy to wash; the paint does not contain other chemical components, has stable performance, no toxicity and no peculiar smell; the non-woven fabric has the advantages of strong antibacterial property and the like, and can be applied to industries such as agricultural films, shoemaking, leather making, mattresses, primary and secondary quilts, decoration, chemical engineering, printing, automobiles, building materials, furniture and the like.
Nonwoven fabrics come in a wide variety of forms depending on the production process, such as spunlaced nonwoven fabrics, heat-sealed nonwoven fabrics, pulp air-laid nonwoven fabrics, wet nonwoven fabrics, spun-bonded nonwoven fabrics, melt-blown nonwoven fabrics, and the like, wherein the melt-blown nonwoven fabrics are formed by feeding and melt-extruding a polymer, ejecting and cooling fibers by melt-blowing, and consolidating the fibers into a fabric. In the production step, the melt-blown method makes the spinning method of the high-power solidification of the polymer fuse-element that just extrudes with the help of high-speed hot gas flow, the high-temperature silk thread after the melt-blown method spinning needs to cool down after spouting from the die head subassembly, the existing cooling mode mostly adopts the natural cooling, this kind of cooling mode speed is slower, also adopt the fan to carry out both sides blast effect among the prior art simultaneously, carry out the convection cooling to the blowout end of die head subassembly, this kind of mode cooling effect is slightly promoted than the natural cooling effect, but can't realize carrying out rapid cooling to the high-temperature silk thread, a melt-blown cooling device that needs now can carry out rapid cooling to the silk thread after the melt-blown, this device can high-efficient operation for a.
Disclosure of Invention
In order to solve the existing problems, the invention discloses a melt-blown cooling device applied to an automatic production line of non-woven fabrics, which has the following specific technical scheme: a melt-blown cooling device applied to an automatic production line of non-woven fabrics comprises a main blast pipe, a blast pipe bracket, a hoop, a blind plate, a ventilator, a nozzle, a water separator and a water collector;
the main air supply pipes are arranged on two sides of the melt-blowing platform and symmetrically arranged, and the main air supply pipes and the die head assembly of the melt-blowing platform are arranged in the same direction; the blowing pipe support is arranged at the bottom ends of the two sides of the melt-blowing platform, the main blowing pipe is suspended at the bottom end of the blowing pipe support, the hoop surrounds the outer wall of the main blowing pipe, and the two ends of the hoop are fixedly arranged with the blowing pipe support through bolts matched with fasteners; the blind plate is fixed with the blind plate at the end part of the main air supply pipe through a bolt; a branch air supply pipe is arranged at the side end of the main air supply pipe;
the ventilator is arranged at the bottom ends of two sides of the melt-blown platform and comprises a shell, an air inlet pipe, a liquid pipe, a heat exchange plate, a sealing plate and a heat insulation layer, wherein the shell is of a cuboid frame structure, two side edges of the top end of the shell are turned over to form shell turned edges, supporting blocks are arranged on the inner walls of two sides of the shell and fixedly arranged with the shell, and assembling holes are formed in the top surface and the bottom surface of each supporting block; an air outlet is formed in one side of the shell and penetrates through the center of the supporting block; the air inlet pipe is arranged on the outer wall of one side of the shell and is communicated with the shell; the liquid pipe is arranged on the outer walls of the two ends of the shell and is communicated with the shell; the heat exchange plate comprises two heat exchange plates, wherein each heat exchange plate is arranged inside the shell and is symmetrically arranged up and down, each heat exchange plate comprises a plate body, a head end fin, a middle end fin and a tail end fin, one side surface of the plate body is transversely of a groove-shaped structure to form a heat exchange plate main liquid tank, heat exchange plate liquid distributing tanks are arranged on two sides of the heat exchange plate main liquid tank, and the heat exchange plate liquid distributing tanks are communicated with the heat exchange plate main liquid tank; the head end fin is arranged on one side surface of the plate body and is perpendicular to the plate body; the middle end fin is arranged on one side of the head end fin and is perpendicular to the plate body; the tail end fin is arranged on one side of the middle end fin and is perpendicular to the plate body; the sealing plate is arranged on the side surface of the heat exchange plate, the surface of the sealing plate is transversely in a groove-shaped structure to form a sealing plate main liquid groove, sealing plate liquid distributing grooves are formed in two sides of the sealing plate main liquid groove, and the sealing plate liquid distributing grooves are communicated with the sealing plate main liquid groove; the sealing plate and the heat exchange plate sequentially penetrate through the bolts and extend into the assembly holes of the supporting block, so that the sealing plate, the heat exchange plate and the shell are fixedly arranged; the heat preservation layer is attached to the outer sides of the shell and the sealing plate; the ventilator is fixed on the shell flanging through a support hanger to realize the bottom surface hoisting of the melt-blown platform, and an air inlet pipe of the ventilator is connected with the branch air supply pipe through a flange; the nozzle is arranged on one side of the shell of the ventilator and is fixed with the side wall of the shell through a bolt;
the water segregator is arranged on two sides of one end of the melt-blowing platform and is fixedly arranged with the melt-blowing platform through a fastener; the water outlet pipe of the water distributor is bent towards the bottom end of the melt-blown platform and is connected with the liquid pipe on one side of the ventilator through a flange, the inlets of the water distributors on the two sides are connected with the circulating water inlet pipe, and the circulating water inlet pipe is supported on the top surface of the melt-blown platform through a wooden support; the water collectors are arranged on two sides of one end of the melt-blowing platform and are fixedly arranged with the melt-blowing platform through fasteners; the water inlet pipe of the water collector is bent towards the bottom end of the melt-blown platform and is connected with the liquid pipe on one side of the ventilator through a flange, and the outlets of the water collectors on the two sides are connected with the circulating water outlet pipe.
Furthermore, the blast pipe support is vertically welded and fixed through angle iron, the top end of the blast pipe support can be fixedly connected with the melt-blown platform through bolts, and the bottom end of the blast pipe support extends out of the melt-blown platform.
Furthermore, the number of the air inlet pipes is eight, the air inlet pipes are divided into four groups and are arranged in a transverse straight line, one air inlet pipe is arranged in each group at the two outer sides, and three air inlet pipes are arranged in each group at the two inner sides.
Furthermore, the number of the liquid inlet pipes at each end is six, the liquid inlet pipes are arranged at the top and the bottom and are arranged in a transverse array, and the inlets of the liquid inlet pipes at the top side and the bottom end are arranged in a staggered manner.
Further, every the plate body sets up the quantity in heat transfer board main cistern is three, is parallel arrangement, every the both sides in heat transfer board main cistern are the slot form, form main liquid groove seal groove.
Furthermore, the heat exchange plate liquid separating grooves on two sides of the heat exchange plate main liquid groove are arranged in a staggered mode; each heat exchange plate liquid dividing groove is arranged on two sides of the heat exchange plate main liquid groove, is symmetrically arranged and is of a structure like a Chinese character 'ri'; and two sides of each heat exchange plate liquid separating groove are provided with liquid separating groove sealing grooves.
Further, main liquid groove seal groove with the laminating is equipped with the sealing strip in the branch liquid groove seal groove.
Furthermore, the fins at the head end are transversely arranged in an array, the bottom surfaces of the fins at the head end are in a semicircular concave shape, and the concave parts of the fins at the head end are matched with the air inlet pipe.
Furthermore, the middle-end fins are arranged in a splayed manner, and splayed openings of the two connected middle-end fins are positioned at the positions of the ventilation pipes and are matched with each other.
Furthermore, the number of the main liquid grooves of each sealing plate is three, the main liquid grooves are arranged in parallel, and the arrangement position of each main liquid groove of each sealing plate is matched with the position of the main liquid groove of the heat exchange plate; every the both sides in the main cistern of shrouding are equipped with main cistern insert block, main cistern insert block embedding in the main cistern seal groove, realize the main cistern of heat transfer plate with the main cistern of shrouding is sealed setting.
Further, every quantity, the position of shrouding branch cistern that the shrouding set up with quantity, the position in heat transfer plate branch cistern suit, every the both sides that the shrouding divides the cistern are equipped with the separating flume inserted block, the embedding of separating flume inserted block realize in the separating flume seal groove the heat transfer plate divide the cistern with the shrouding divides the cistern to be sealed setting.
Furthermore, the nozzle is of a structure with a narrow front part and a wide rear part, and the length and the arrangement position of the nozzle are matched with the air outlet.
Furthermore, the liquid flow direction in the liquid pipe of the ventilator is opposite to the air flow direction in the main air supply pipe.
The invention has the beneficial effects that:
the invention replaces the traditional natural convection heat exchange mode by the mechanical ventilation mode, and arranges the ventilator device at the nozzle for the introduced fresh air to exchange heat between the heat of the chilled water and the fresh air, so as to keep the air volume blown into the fiber filaments at a lower temperature, reduce the loss of cold energy caused by long-distance transmission of the fresh air, ensure that the cooling device has higher heat exchange efficiency, ensure that the cooling device has higher cooling effect on the melt-blown structure, and have high cooling rate by matching with the fiber filaments at the high-speed melt-blown position.
The invention designs a ventilator structure, which can carry out high-efficiency heat exchange on fresh air, the fresh air treated by the ventilator is smooth in circulation state, the blown fresh air can be blown out linearly, and the air quantity at the fiber yarn position is blown out uniformly; the ventilator device has the advantages that the turbulent flow degree of air in the ventilator is guaranteed through the multi-section fin structure, fresh air is promoted to have higher heat exchange efficiency in chilled water, the whole ventilator structure is strong in using effect, and stability is high.
The ventilator structure of the device can be installed in a detachable mode, each component can be detached and assembled one by one, the frozen water passage and the multi-group fin structure can be detached and cleaned, the ventilator is convenient to maintain, and the service life of the device is prolonged.
Drawings
Fig. 1 is a schematic view of the overall configuration of the present invention.
Figure 2 is a schematic view of a partial explosion installation of the ventilator of the present invention.
FIG. 3 is a schematic view of the construction of the ventilator housing of the present invention.
Fig. 4 is a partially enlarged structural view of a in fig. 3 according to the present invention.
Fig. 5 is a schematic view of the construction of a heat exchanger plate according to the present invention.
Figure 6 is a schematic view of the closure plate of the present invention.
Fig. 7 is a schematic view of the partial structure B of fig. 6 according to the present invention.
List of reference numerals:
a main blast pipe 1 and a branch blast pipe 1-1;
a blast pipe bracket 2;
a hoop 3;
a blind plate 4;
the air ventilator 5, the shell 5-1, the shell flanging 5-1-1, the supporting block 5-1-2, the air outlet 5-1-3, the air inlet pipe 5-2, the liquid pipe 5-3, the heat exchange plate 5-4, the plate body 5-4-1, the heat exchange plate main liquid tank 5-4-1-1, the heat exchange plate liquid separating tank 5-4-1-2, the main liquid tank sealing groove 5-4-1-3, the liquid separating tank sealing groove 5-4-4, the head end fin 5-4-2, the middle end fin 5-4, the tail end fin 5-4, the sealing plate 5-5, the sealing plate main liquid tank 5-5-1, the sealing plate liquid separating tank 5-5-2, the main liquid tank inserting block 5-5-3, the air outlet 5-1-3, the air inlet 5-4, the, 5-5-4 parts of a liquid separating groove insert block, 5-6 parts of a heat insulating layer and 5-7 parts of a sealing strip;
a nozzle 6;
a water separator 7 and a circulating water inlet pipe 7-1;
a water collector 8 and a circulating water outlet pipe 8-1;
a wooden support 9;
a support and hanger 10;
a meltblowing station 11.
Detailed Description
In order to make the technical scheme of the invention clearer and clearer, the invention is further described with reference to the accompanying drawings, and any scheme obtained by carrying out equivalent replacement and conventional reasoning on the technical characteristics of the technical scheme of the invention falls into the protection scope of the invention. The fixed connection, the fixed arrangement and the fixed structure mentioned in the embodiment are known technologies known to those skilled in the art, such as gluing, welding, screwing, bolt-nut connection, riveting and the like.
The attached drawing shows that the melt-blown cooling device applied to the automatic production line of the non-woven fabric comprises a main blast pipe 1, a blast pipe bracket 2, a hoop 3, a blind plate 4, a ventilator 5, a nozzle 6, a water separator 7 and a water collector 8;
the main air supply pipes 1 are arranged on two sides of the melt-blowing platform 11 and symmetrically arranged, and the main air supply pipes 1 and the die head components of the melt-blowing platform 11 are arranged in the same direction; the air supply pipe support 2 is arranged at the bottom ends of two sides of the melt-blowing platform 11, the main air supply pipe 1 is suspended at the bottom end of the air supply pipe support 2, the hoop 3 surrounds the outer wall of the main air supply pipe 1, and two ends of the hoop are fixedly arranged with the air supply pipe support 2 through bolts matched with fasteners; the blind plate 4 is fixed with the blind plate 4 at the end part of the main air supply pipe 1 through a bolt; a branch air supply pipe 1-1 is arranged at the side end of the main air supply pipe 1;
the ventilator 5 is arranged at the bottom ends of two sides of the melt-blown platform 11, the ventilator 5 comprises a shell 5-1, an air inlet pipe 5-2, a liquid pipe 5-3, a heat exchange plate 5-4, a sealing plate 5-5 and a heat insulation layer 5-6, the shell 5-1 is of a cuboid frame structure, two side edges of the top end of the shell 5-1 are in flanging shapes to form shell flanging 5-1-1, the inner walls of two sides of the shell 5-1 are provided with support blocks 5-1-2, the support blocks 5-1-2 are fixedly arranged with the shell 5-1, and the top surface and the bottom surface of the support block 5-1-2 are both provided with assembly holes; an air outlet 5-1-3 is formed in one side of the shell 5-1, and the air outlet 5-1-3 penetrates through the center of the supporting block 5-1-2; the air inlet pipe 5-2 is arranged on the outer wall of one side of the shell 5-1, and the air inlet pipe 5-2 is communicated with the shell 5-1; the liquid pipe 5-3 is arranged on the outer walls of the two ends of the shell 5-1, and the liquid pipe 5-3 is communicated with the shell 5-1; the number of the heat exchange plates 5-4 is two, each heat exchange plate 5-4 is arranged inside the shell 5-1 and is arranged symmetrically up and down, each heat exchange plate 5-4 comprises a plate body 5-4-1, a head end fin 5-4-2, a middle end fin 5-4-3 and a tail end fin 5-4-4, one side surface of the plate body 5-4-1 is transversely in a groove-shaped structure to form a main liquid groove 5-4-1-1 of the heat exchange plate, two sides of the heat exchange plate main liquid tank 5-4-1-1 are provided with heat exchange plate liquid dividing tanks 5-4-1-2, the heat exchange plate liquid dividing tank 5-4-1-2 is communicated with the heat exchange plate main liquid tank 5-4-1-1; the head end fin 5-4-2 is arranged on one side surface of the plate body 5-4-1 and is perpendicular to the plate body 5-4-1; the middle end fin 5-4-3 is arranged on one side of the head end fin 5-4-2 and is perpendicular to the plate body 5-4-1; the tail end fin 5-4-4 is arranged on one side of the middle end fin 5-4-3 and is perpendicular to the plate body 5-4-1; the sealing plate 5-5 is arranged on the side face of the heat exchange plate 5-4, the surface of the sealing plate 5-5 is in a groove-shaped structure transversely to form a sealing plate main liquid groove 5-5-1, sealing plate liquid distribution grooves 5-5-2 are arranged on two sides of the sealing plate main liquid groove 5-5-1, and the sealing plate liquid distribution grooves 5-5-2 are communicated with the sealing plate main liquid groove 5-5-1; the sealing plate 5-5 and the heat exchange plate 5-4 sequentially penetrate through the assembly holes of the supporting block 5-1-2 through bolts, so that the sealing plate 5-5, the heat exchange plate 5-4 and the shell 5-1 are fixedly arranged; the heat-insulating layer 5-6 is attached to the outer sides of the shell 5-1 and the sealing plate 5-5; the ventilator 5 is fixed on the shell flanging 5-1-1 through a support hanger 10 to realize the bottom surface hoisting of the melt-blown platform 11, and an air inlet pipe 5-2 of the ventilator 5 is connected with the branch air supply pipe 1-1 through a flange; the nozzle 6 is arranged on one side of the shell 5-1 of the ventilator 5, and the nozzle 6 is fixed with the side wall of the shell 5-1 through a bolt;
the water segregator 7 is arranged on two sides of one branched end of the melt-blowing platform 11, and the water segregator 7 is fixedly arranged with the melt-blowing platform 11 through a fastener; the water outlet pipe of the water separator 7 is bent towards the bottom end of the melt-blown platform 11 and is connected with a liquid pipe 5-3 at one side of the ventilator 5 through a flange, the inlets of the water separators 7 at two sides are connected with a circulating water inlet pipe 7-1, and the circulating water inlet pipe 7-1 is supported on the top surface of the melt-blown platform 11 through a wooden support 9; the water collectors 8 are arranged on two sides of one end of the melt-blowing platform 11, and the water collectors 8 are fixedly arranged with the melt-blowing platform 11 through fasteners; the water inlet pipe of the water collector 8 is bent towards the bottom end of the melt-blown platform 11 and is connected with the liquid pipe 5-3 at one side of the ventilator 5 through a flange, and the outlets of the water collectors 8 at the two sides are connected with the circulating water outlet pipe 8-1.
Further, the blast pipe support 2 is vertically welded and fixed to the melt-blowing platform 11 through angle iron, the top end of the blast pipe support 2 can be fixedly connected with the melt-blowing platform 11 through bolts, and the bottom end of the blast pipe support 2 extends out of the melt-blowing platform 11.
Furthermore, the number of the air inlet pipes 5-2 is eight, the air inlet pipes 5-2 are divided into four groups and are arranged in a transverse straight line, the number of the air inlet pipes 5-2 in each group at the two outer sides is one, and the number of the air inlet pipes 5-2 in each group at the two inner sides is three.
Furthermore, the number of the liquid inlet pipes 5-3 at each end is six, the liquid inlet pipes are arranged at the top side and the bottom side and are arranged in a transverse array, and the inlets of the liquid inlet pipes 5-3 at the top side and the inlets of the liquid inlet pipes 5-3 at the bottom end are arranged in a staggered manner.
Furthermore, the number of the heat exchange plate main liquid grooves 5-4-1-1 arranged on each plate body 5-4-1 is three, the heat exchange plate main liquid grooves are arranged in parallel, and two sides of each heat exchange plate main liquid groove 5-4-1-1 are in a groove shape to form a main liquid groove sealing groove 5-4-1-3.
Further, the heat exchange plate liquid dividing grooves 5-4-1-2 on two sides of the heat exchange plate main liquid groove 5-4-1-1 are arranged in a staggered mode; each heat exchange plate liquid distributing groove 5-4-1-2 is arranged at two sides of the main liquid groove 5-4-1-1 of the heat exchange plate, is symmetrically arranged and has a structure like a Chinese character 'ri'; two sides of each heat exchange plate liquid separating groove 5-4-1-2 are provided with liquid separating groove sealing grooves 5-4-1-4.
Furthermore, a sealing strip 5-7 is fitted in the main liquid groove sealing groove 5-4-1-3 and the liquid separating groove sealing groove 5-4-1-4.
Furthermore, the head end fins 5-4-2 are transversely arranged in an array, the bottom surfaces of the head end fins 5-4-2 are in semicircular concave shapes, and the concave positions of the head end fins 5-4-2 are matched with the positions of the air inlet pipes 5-2.
Furthermore, the middle end fins 5-4-3 are arranged in a splayed shape, and splayed openings of the two middle end fins 5-4-3 connected with each other are positioned at the positions of the ventilation pipes to be matched.
Furthermore, the number of the sealing plate main liquid tanks 5-5-1 arranged on each sealing plate 5-5 is three, the sealing plate main liquid tanks are arranged in parallel, and the arrangement position of each sealing plate main liquid tank 5-5-1 is adapted to the position of the heat exchange plate main liquid tank 5-4-1-1; two sides of each seal plate main liquid groove 5-5-1 are provided with main liquid groove insertion blocks 5-5-3, and the main liquid groove insertion blocks 5-5-3 are embedded into the main liquid groove seal grooves 5-4-1-3, so that the heat exchange plate main liquid grooves 5-4-1-1 and the seal plate main liquid grooves 5-5-1 are arranged in a sealing manner.
Furthermore, the number and the position of the sealing plate liquid distributing grooves 5-5-2 arranged on each sealing plate 5-5 are matched with the number and the position of the heat exchange plate liquid distributing grooves 5-4-1-2, liquid distributing groove inserting blocks 5-5-4 are arranged on two sides of each sealing plate liquid distributing groove 5-5-2, and the liquid distributing groove inserting blocks 5-5-4 are embedded into the sealing grooves 5-4-1-4 of the liquid distributing grooves, so that the heat exchange plate liquid distributing grooves 5-4-1-2 and the sealing plate liquid distributing grooves 5-5-2 are in sealing arrangement.
Further, the nozzle 6 is of a structure with a narrow front part and a wide rear part, and the length and the arrangement position of the nozzle 6 are matched with the air outlet 5-1-3.
Furthermore, the liquid flow direction in the liquid pipe 5-3 of the ventilator 5 is opposite to the air flow direction in the main air supply pipe 1.
The use principle of the invention is as follows:
when the die head component of the melt-blowing platform of the device starts to work; meanwhile, fresh air is fed into the main air supply pipe, and is introduced into the air inlet pipe from the branch air supply pipe to enter the ventilator; the circulating water inlet pipe transmits chilled water into the water separator through an externally connected refrigerating unit, the chilled water enters the liquid pipe and flows into the ventilator through the water separating effect of the water separator, the chilled water flows into through holes of the heat exchange plate main liquid groove and the sealing plate main liquid groove and fills the heat exchange plate liquid separating groove and the sealing plate liquid separating groove, the chilled water conducts heat exchange on the heat exchange plate and transmits cold energy to the head end fins, the middle end fins and the tail end fins, and the chilled water is transmitted into the water collector through the liquid pipe and flows back into the refrigerating unit through the circulating water outlet pipe; fresh air and head end fin in the ventilator carry out the heat transfer to shunt and the heat transfer through the middle-end fin, because of middle-end fin department is splayed structure, the fresh air flow has great resistance, between the heat transfer board of fresh air can be full of both sides, the middle section of fresh air and head end fin, middle-end fin carry out abundant heat transfer, the fresh air carries out the throttle blowout through the nozzle after passing through the heat transfer of tail end fin again, cools down to melt-blown cellosilk.
The invention has the beneficial effects that:
the invention replaces the traditional natural convection heat exchange mode by the mechanical ventilation mode, and arranges the ventilator device at the nozzle for the introduced fresh air to exchange heat between the heat of the chilled water and the fresh air, so as to keep the air volume blown into the fiber filaments at a lower temperature, reduce the loss of cold energy caused by long-distance transmission of the fresh air, ensure that the cooling device has higher heat exchange efficiency, ensure that the cooling device has higher cooling effect on the melt-blown structure, and have high cooling rate by matching with the fiber filaments at the high-speed melt-blown position.
The invention designs a ventilator structure, which can carry out high-efficiency heat exchange on fresh air, the fresh air treated by the ventilator is smooth in circulation state, the blown fresh air can be blown out linearly, and the air quantity at the fiber yarn position is blown out uniformly; the ventilator device has the advantages that the turbulent flow degree of air in the ventilator is guaranteed through the multi-section fin structure, fresh air is promoted to have higher heat exchange efficiency in chilled water, the whole ventilator structure is strong in using effect, and stability is high.
The ventilator structure of the device can be installed in a detachable mode, each component can be detached and assembled one by one, the frozen water passage and the multi-group fin structure can be detached and cleaned, the ventilator is convenient to maintain, and the service life of the device is prolonged.
Claims (10)
1. A melt-blown cooling device applied to an automatic non-woven fabric production line is characterized by comprising a main air supply pipe (1), an air supply pipe bracket (2), an anchor ear (3), a blind plate (4), a ventilator (5), a nozzle (6), a water distributor (7) and a water collector (8);
the main air supply pipes (1) are arranged on two sides of the melt-blowing platform (11) symmetrically, and the main air supply pipes (1) and a die head assembly of the melt-blowing platform (11) are arranged in the same direction; the blowing pipe support (2) is arranged at the bottom ends of two sides of the melt-blowing platform (11), the main blowing pipe (1) is suspended at the bottom end of the blowing pipe support (2), the hoop (3) surrounds the outer wall of the main blowing pipe (1), and two ends of the hoop are fixedly arranged with the blowing pipe support (2) through bolts matched with fasteners; the blind plate (4) is fixed with the blind plate (4) at the end part of the main air supply pipe (1) through a bolt; a branch air supply pipe (1-1) is arranged at the side end of the main air supply pipe (1);
the ventilator (5) is arranged at the bottom ends of two sides of the melt-blown platform (11), the ventilator (5) comprises a shell (5-1), an air inlet pipe (5-2), a liquid pipe (5-3), a heat exchange plate (5-4), a sealing plate (5-5) and a heat insulation layer (5-6), the shell (5-1) is of a cuboid frame structure, two side edges of the top end of the shell (5-1) are in a flanging shape to form shell flanging (5-1-1), supporting blocks (5-1-2) are arranged on the inner walls of two sides of the shell (5-1), the supporting blocks (5-1-2) and the shell (5-1) are fixedly arranged, and assembling holes are formed in the top surface and the bottom surface of each supporting block (5-1-2); an air outlet (5-1-3) is formed in one side of the shell (5-1), and the air outlet (5-1-3) penetrates through the center of the supporting block (5-1-2); the air inlet pipe (5-2) is arranged on the outer wall of one side of the shell (5-1), and the air inlet pipe (5-2) is communicated with the shell (5-1); the liquid pipe (5-3) is arranged on the outer walls of the two ends of the shell (5-1), and the liquid pipe (5-3) is communicated with the shell (5-1); the number of the heat exchange plates (5-4) is two, each heat exchange plate (5-4) is arranged inside the shell (5-1) and is arranged in a vertically symmetrical mode, each heat exchange plate (5-4) comprises a plate body (5-4-1), a head end fin (5-4-2), a middle end fin (5-4-3) and a tail end fin (5-4-4), one side surface of each plate body (5-4-1) is transversely of a groove-shaped structure to form a heat exchange plate main liquid tank (5-4-1-1), heat exchange plate liquid dividing tanks (5-4-1-2) are arranged on two sides of the heat exchange plate main liquid tank (5-4-1-1), and the heat exchange plate liquid dividing tanks (5-4-1-2) are communicated with the heat exchange plate main liquid tank (5-4-1-1) (ii) a The head end fin (5-4-2) is arranged on one side surface of the plate body (5-4-1) and is perpendicular to the plate body (5-4-1); the middle end fin (5-4-3) is arranged on one side of the head end fin (5-4-2) and is perpendicular to the plate body (5-4-1); the tail end fin (5-4-4) is arranged on one side of the middle end fin (5-4-3) and is perpendicular to the plate body (5-4-1); the sealing plate (5-5) is arranged on the side face of the heat exchange plate (5-4), the surface of the sealing plate (5-5) is transversely in a groove-shaped structure to form a sealing plate main liquid groove (5-5-1), sealing plate liquid distributing grooves (5-5-2) are arranged on two sides of the sealing plate main liquid groove (5-5-1), and the sealing plate liquid distributing grooves (5-5-2) are communicated with the sealing plate main liquid groove (5-5-1); the sealing plate (5-5) and the heat exchange plate (5-4) sequentially penetrate through the assembling holes of the supporting block (5-1-2) through bolts, so that the sealing plate (5-5), the heat exchange plate (5-4) and the shell (5-1) are fixedly arranged; the heat-insulating layer (5-6) is attached to the outer sides of the shell (5-1) and the sealing plate (5-5); the ventilator (5) is fixed on a shell flanging (5-1-1) through a support hanger (10) to realize the bottom surface hoisting of the melt-blown platform (11), and an air inlet pipe (5-2) of the ventilator (5) is connected with the branch air supply pipe (1-1) through a flange; the nozzle (6) is arranged on one side of a shell (5-1) of the ventilator (5), and the nozzle (6) is fixed with the side wall of the shell (5-1) through a bolt;
the water segregator (7) is arranged on two sides of one end of the melt-blowing platform (11), and the water segregator (7) is fixedly arranged with the melt-blowing platform (11) through a fastener; a water outlet pipe of the water distributor (7) is bent towards the bottom end of the melt-blown platform (11) and is connected with a liquid pipe (5-3) on one side of the ventilator (5) through a flange, inlets of the water distributors (7) on two sides are connected with a circulating water inlet pipe (7-1), and the circulating water inlet pipe (7-1) is supported on the top surface of the melt-blown platform (11) through a wooden support (9); the water collectors (8) are arranged on two sides of one end of the melt-blowing platform (11), and the water collectors (8) are fixedly arranged with the melt-blowing platform (11) through fasteners; the water inlet pipe of the water collector (8) is bent towards the bottom end of the melt-blown platform (11) and is connected with the liquid pipe (5-3) on one side of the ventilator (5) through a flange, and the outlets of the water collectors (8) on the two sides are connected with the circulating water outlet pipe (8-1).
2. The melt-blown cooling device applied to the automatic non-woven fabric production line according to claim 1, wherein the blast pipe support (2) is vertically welded and fixed to each other through angle iron, the top end of the blast pipe support (2) can be fixedly connected with the melt-blowing platform (11) through bolts, and the bottom end of the blast pipe support (2) extends out of the melt-blowing platform (11).
3. The melt-blown cooling device applied to the automatic non-woven fabric production line according to claim 1, wherein the number of the air inlet pipes (5-2) is eight, the air inlet pipes (5-2) are divided into four groups and arranged in a transverse straight line, the number of the air inlet pipes (5-2) in each group on two outer sides is one, and the number of the air inlet pipes (5-2) in each group on two inner sides is three.
4. The melt-blown cooling device applied to the automatic production line of the non-woven fabrics as claimed in claim 1, wherein the number of the liquid inlet pipes (5-3) at each end is six, the liquid inlet pipes are arranged at the top and the bottom in a transverse array, and the inlets of the liquid inlet pipes (5-3) at the top side and the inlets of the liquid inlet pipes (5-3) at the bottom side are arranged in a staggered manner.
5. The melt-blown cooling device applied to the automatic production line of the non-woven fabrics according to claim 1, characterized in that the number of the heat exchange plate main liquid grooves (5-4-1-1) arranged on each plate body (5-4-1) is three, the heat exchange plate main liquid grooves are arranged in parallel, and two sides of each heat exchange plate main liquid groove (5-4-1-1) are in a groove shape to form a main liquid groove sealing groove (5-4-1-3).
6. The melt-blown cooling device applied to the automatic production line of the non-woven fabrics according to claim 1, characterized in that the heat exchange plate liquid dividing grooves (5-4-1-2) at two sides of the heat exchange plate main liquid groove (5-4-1-1) are arranged in a staggered manner; each heat exchange plate liquid distributing groove (5-4-1-2) is arranged at two sides of the main liquid groove (5-4-1-1) of the heat exchange plate, is symmetrically arranged and has a structure like a Chinese character 'ri'; and two sides of the liquid separating groove (5-4-1-4) of each heat exchange plate are provided with liquid separating groove sealing grooves (5-4-1-4).
7. The melt-blown cooling device applied to the automatic production line of non-woven fabrics according to claim 5 or 6, characterized in that a sealing strip (5-7) is attached in the sealing groove (5-4-1-4) of the main liquid tank (5-4-1-3) and the sealing groove (5-4-1-4) of the liquid separating tank.
8. The melt-blown cooling device applied to the automatic non-woven fabric production line according to claim 1, wherein the head end fins (5-4-2) are transversely arranged in an array, the bottom surfaces of the head end fins (5-4-2) are in a semicircular concave shape, and the concave positions of the head end fins (5-4-2) are matched with the positions of the air inlet pipes (5-2).
9. The melt-blown cooling device applied to the automatic production line of non-woven fabrics according to claim 7, characterized in that the number of the sealing plate main liquid tanks (5-5-1) arranged on each sealing plate (5-5) is three, and the sealing plate main liquid tanks (5-5-1) are arranged in parallel, and the arrangement position of each sealing plate main liquid tank (5-5-1) is adapted to the position of the heat exchange plate main liquid tank (5-4-1-1); every both sides of shrouding main cistern (5-5-1) are equipped with main cistern inserted block (5-5-3), main cistern inserted block (5-5-3) embedding in main cistern seal groove (5-4-1-3), realize heat transfer board main cistern (5-4-1-1) with shrouding main cistern (5-5-1) is sealed setting.
10. The melt-blown cooling device applied to the automatic production line of non-woven fabrics according to claim 7, wherein the number and the position of the seal plate liquid distribution grooves (5-5-2) arranged on each seal plate (5-5) are adapted to the number and the position of the heat exchange plate liquid distribution grooves (5-4-1-2), liquid distribution groove insertion blocks (5-5-4) are arranged on two sides of each seal plate liquid distribution groove (5-5-2), and the liquid distribution groove insertion blocks (5-5-4) are embedded into the liquid distribution groove sealing grooves (5-4-1-4), so that the heat exchange plate liquid distribution grooves (5-4-1-2) and the seal plate liquid distribution grooves (5-5-2) are arranged in a sealing manner.
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| CN111793838B (en) | 2021-10-08 |
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