阅读说明：本技术 一种节能装置、无纺布制造设备 (Energy-saving device and non-woven fabric manufacturing equipment ) 是由 孙仲华 周鹏翀 于 2020-11-24 设计创作，主要内容包括：本发明公开了一种节能装置,包括抽吸设备,所述抽吸设备包括抽吸进风口和抽吸出风口,所述抽吸进风口用于与金属网成型筒连接,所述抽吸出风口用于与空气加热设备连接。热风和原材料从熔喷模头喷出,到达金属网成型筒后仍具有一定的热能。抽吸设备能够将具有一定热能的热风从抽吸进风口进行收集,再从抽吸出风口转移至空气加热设备处,从而回收利用金属网成型筒处的热风的剩余热能,减少空气加热设备在加热空气时的热能消耗,能够用于降低无纺布制造设备的能源消耗。(The invention discloses an energy-saving device which comprises a suction device, wherein the suction device comprises a suction air inlet and a suction air outlet, the suction air inlet is connected with a metal mesh forming cylinder, and the suction air outlet is connected with an air heating device. The hot air and the raw material are sprayed out from the melt-blowing die head and still have certain heat energy after reaching the metal mesh forming cylinder. The suction equipment can collect hot air with certain heat energy from the suction air inlet, and then transfers the hot air from the suction air outlet to the air heating equipment, so that the residual heat energy of the hot air at the metal mesh forming cylinder is recycled, the heat energy consumption of the air heating equipment during air heating is reduced, and the energy consumption of the non-woven fabric manufacturing equipment can be reduced.)

1. The energy-saving device is characterized by comprising a suction device, wherein the suction device comprises a suction air inlet and a suction air outlet, the suction air inlet is used for being connected with a metal mesh forming cylinder, and the suction air outlet is used for being connected with an air heating device.

2. The energy-saving device according to claim 1, comprising a gas collecting groove for being arranged in the metal mesh forming cylinder, wherein the gas collecting groove comprises a collecting section for collecting gas, the collecting section is arranged at a notch of the gas collecting groove, and a groove body air outlet is arranged at the end part of the gas collecting groove.

3. The economizer of claim 2 wherein the collector section tapers in a direction approaching the floor of the gas collection trough.

4. The economizer of claim 3 wherein the gas collection tank further comprises a diverging section connected to the converging section, the converging section and the diverging section being sequentially disposed in a direction adjacent a bottom of the gas collection tank, the diverging section being progressively enlarged in a direction adjacent the bottom of the gas collection tank.

5. The energy-saving device according to claim 2, wherein both ends of the gas collecting groove are provided with the groove body air outlets.

6. The economizer of claim 5 wherein the floor of the gas collection tank is low at both ends and high in the middle in the direction of extension of the gas collection tank.

7. The economizer according to claim 2 further comprising a fixing groove provided along an extending direction of the gas collecting groove, wherein the gas collecting groove is embedded in the fixing groove, a notch of the fixing groove abuts against an outer side of a groove wall of the gas collecting groove, and an accommodating space is provided between an inner side surface of the groove wall of the fixing groove and an outer side surface of the groove wall of the gas collecting groove.

8. The energy saving device according to claim 7, further comprising a metal mesh forming cylinder, and a rotating body, wherein the fixing groove is provided in the metal mesh forming cylinder, the rotating body is provided between an outer wall surface of the fixing groove and an inner wall surface of the metal mesh forming cylinder, and the rotating body abuts against the outer wall surface of the fixing groove and the inner wall surface of the metal mesh forming cylinder, respectively.

9. The economizer device of claim 7 wherein the walls of the gas collection tank are provided with a thermally insulating layer.

10. A nonwoven fabric manufacturing apparatus characterized by comprising the energy saving device of any one of claims 1 to 9.

Technical Field

The invention relates to the technical field of textile manufacturing, in particular to the technical field of air-laid.

Background

Non-woven fabrics, also called non-woven fabrics and melt-blown fabrics, are made by blowing polypropylene in a molten state with high-pressure hot air, cooling the polypropylene in the blowing process, and forming fabrics through filaments, which are also called as melt-blown fabrics. The melt-blown non-woven process is to utilize high speed hot air to draw the polymer melt flow extruded from the nozzle of the melt-blown die head so as to form superfine fiber filament, which is coagulated on a coagulation net curtain or a metal net forming cylinder and adhered to form non-woven fabric.

The manufacturing process of the non-woven fabric mainly comprises the following steps: preparing a polymer in a charging barrel, carrying out melt extrusion in an extrusion screw, metering by a metering pump, forming hot air by air heating equipment, an air compressor, a Roots blower or a centrifugal compressor and other blowing equipment, drawing a melt trickle in a melt-blowing die head, blowing the melt trickle into material filaments by the hot air, cooling the material filaments into non-woven fabrics in the process of driving the material filaments to a metal mesh forming barrel by the hot air, and collecting the non-woven fabrics and the like on a winding head. The wire forming cylinder is a cylindrical structure made of a metal mesh, and an air flow can flow through the wall surface of the wire forming cylinder and generally rolls during manufacture to continuously collect the wire.

The existing non-woven fabric manufacturing equipment has high energy consumption, and the problems of energy conservation and consumption reduction need to be solved.

Disclosure of Invention

In order to solve the above problems, the present invention aims to provide an energy saving device to reduce the energy consumption of the non-woven fabric manufacturing equipment.

In order to achieve the purpose, the invention is realized according to the following technical scheme:

an energy-saving device comprises a suction device, wherein the suction device comprises a suction air inlet and a suction air outlet, the suction air inlet is used for being connected with a metal mesh forming cylinder, and the suction air outlet is used for being connected with an air heating device.

Preferably, the energy-saving device comprises a gas collecting groove arranged in the metal mesh forming cylinder, the gas collecting groove comprises a collecting section for collecting gas, the collecting section is arranged at a notch of the gas collecting groove, and a groove body air outlet is formed in the end part of the gas collecting groove.

Preferably, the collecting section tapers in the direction of the bottom of the gas collecting channel.

Preferably, the gas collecting tank further comprises a gradually expanding section connected with the collecting section, the collecting section and the gradually expanding section are sequentially arranged along a direction close to the bottom of the gas collecting tank, and the gradually expanding section gradually expands along a direction close to the bottom of the gas collecting tank.

Preferably, both ends of the gas collecting groove are provided with the groove body air outlets.

Preferably, the bottom of the gas collecting groove is set to be lower at both ends and higher at the middle in the extending direction of the gas collecting groove.

Preferably, the energy saving device further comprises a fixing groove arranged along the extending direction of the gas collecting groove, the gas collecting groove is embedded in the fixing groove, a notch of the fixing groove is abutted against the outer side of the groove wall of the gas collecting groove, and an accommodating space is arranged between the inner side surface of the groove wall of the fixing groove and the outer side surface of the groove wall of the gas collecting groove.

Preferably, the energy-saving device further comprises a metal mesh forming cylinder and a rotating body, the fixing groove is formed in the metal mesh forming cylinder, the rotating body is arranged between the outer wall surface of the fixing groove and the inner wall surface of the metal mesh forming cylinder, and the rotating body is respectively abutted against the outer wall surface of the fixing groove and the inner wall surface of the metal mesh forming cylinder.

Preferably, a heat insulation layer is arranged on the groove wall of the gas collecting groove.

A non-woven fabric manufacturing equipment comprises the energy-saving device.

Compared with the prior art, the invention has the beneficial effects that:

the hot air and the raw material are sprayed out from the melt-blowing die head and still have certain heat energy after reaching the metal mesh forming cylinder. The suction equipment can collect hot air with certain heat energy from the suction air inlet, and then transfers the hot air from the suction air outlet to the air heating equipment, so that the residual heat energy of the hot air at the metal mesh forming cylinder is recycled, the heat energy consumption of the air heating equipment during air heating is reduced, and the energy consumption of the non-woven fabric manufacturing equipment can be reduced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic perspective view of an energy saving device and a nonwoven fabric manufacturing apparatus according to an embodiment of the present invention.

FIG. 2 is a schematic composition diagram of an embodiment of an energy-saving device and a non-woven fabric manufacturing apparatus according to the present invention.

FIG. 3 is a schematic perspective view of a gas collecting tank in an embodiment of an energy saving device and a non-woven fabric manufacturing apparatus according to the present invention.

FIG. 4 is a schematic structural diagram of a metal mesh forming cylinder, a fixing groove and a gas collecting groove in an embodiment of the energy-saving device and a non-woven fabric manufacturing apparatus of the invention.

FIG. 5 is a schematic cross-sectional view of a metal mesh forming cylinder, a fixing groove, and a gas collecting groove in an embodiment of an energy-saving device and a nonwoven fabric manufacturing apparatus according to the present invention.

FIG. 6 is a front view of a metal mesh forming cylinder, a fixing groove and a gas collecting groove in an embodiment of the energy-saving device and a nonwoven fabric manufacturing apparatus of the present invention.

Wherein: 1-suction equipment, 11-suction air inlet, 12-suction air outlet, 2-gas gathering tank, 21-gathering section, 22-tank body air outlet, 23-divergent section, 3-fixing groove, 31-containing space, cooling circulation loop 32, fluid discharge pipe 321, fluid discharge pipe 322, circulation driving device 323, 4-metal mesh forming cylinder, 41-rotating body and 5-air heating equipment.

Detailed Description

So that the manner in which the above recited objects, features and advantages of the present invention can be understood in detail, a more particular description of the invention, briefly summarized above, may be had by reference to the embodiments thereof which are illustrated in the appended drawings. In addition, the embodiments and features of the embodiments of the present application may be combined with each other without conflict. In the following description, numerous specific details are set forth to provide a thorough understanding of the present invention, and the described embodiments are merely a subset of the embodiments of the present invention, rather than a complete embodiment. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

Example 1

As shown in fig. 1 to 6, this is an embodiment of the invention, specifically: an energy-saving device comprises a suction device 1, wherein the suction device 1 comprises a suction air inlet 11 and a suction air outlet 12, the suction air inlet 11 is used for being connected with a metal mesh forming cylinder 4, and the suction air outlet 12 is used for being connected with an air heating device 5. The suction device 1 may be provided as an air pump. The suction air inlet 11 can be arranged as a direct inlet of the suction device 1, or can be arranged as a pipeline inlet after the direct inlet of the suction device 1 is connected with a pipeline; similarly, the suction air outlet 12 may be a direct outlet of the suction device 1, or may be a pipeline outlet after the direct outlet of the suction device 1 is connected to a pipeline. In the processing and manufacturing of the non-woven fabric, hot air at a melt-blowing die head usually reaches about 200 ℃, the hot air still reaches about 100 ℃ after reaching a metal mesh forming cylinder, and the non-woven fabric has larger residual heat energy, the residual heat energy can be recovered through the suction device 1, the residual energy of the hot air is effectively recycled, and the adverse effect of the hot air on the environment is reduced.

Further as a preferred embodiment, the energy saving device comprises a gas collecting groove 2 arranged in the metal mesh forming cylinder 4, the gas collecting groove 2 comprises a collecting section 21 for collecting gas, the collecting section 21 is arranged at the notch of the gas collecting groove 2, and the end part of the gas collecting groove 2 is provided with a groove body air outlet 22. Through setting up gas collection groove 2, can retrieve hot-blast more, reduce the overflow of hot-blast from metal mesh forming cylinder to the surrounding environment, improve hot-blast recovery efficiency.

Example 2

In contrast to example 1, the collecting section 21 tapers in the direction of the bottom of the gas collecting channel 2. By arranging the collecting section 21, the gas collecting groove 2 can collect more hot air sprayed out of the melt-blowing die head, and the recovery efficiency is further improved.

In a further preferred embodiment, the gas collecting tank 2 further includes a divergent section 23 connected to the convergent section 21, the convergent section 21 and the divergent section 23 are sequentially provided in a direction approaching the bottom of the gas collecting tank 2, and the divergent section 23 is gradually enlarged in a direction approaching the bottom of the gas collecting tank 2. By arranging the divergent section 23, the flow velocity of the collected hot air is slowed down in the divergent section 23, the rebound force of the hot air after impacting the bottom of the gas collecting groove 2 is reduced, and the phenomenon that the hot air at the bottom obstructs the entering of new hot air is reduced. As shown in fig. 3, 5, and 6, the gas collecting groove 2 in the present embodiment has a wine bottle shape as a whole in cross section.

Example 3

Different from the embodiment 1, both ends of the gas collecting tank 2 are provided with tank body air outlets 22. Both ends of the gas collecting groove 2 are provided with groove body air outlets 22 which can be used for being connected with two suction air inlets 11, thereby improving the efficiency of outputting hot air from the gas collecting groove 2 and reducing the heat loss of the hot air in the conveying process.

In a further preferred embodiment, the bottom of the gas collection groove 2 is set to be lower at both ends and higher in the middle in the direction of extension of the gas collection groove 2. The tank body air outlets 22 at the two ends of the gas collecting tank 2 are connected with the suction air inlet 11, and pressure drop can be formed in the gas collecting tank 2; through the tank bottom that gathers the groove 2 with gas set up to both ends low and middle height for the pressure drop of gas gathering 2 inside of groove is more balanced, and the inside negative pressure of gas gathering 2 is more balanced promptly, and the outside pressure of a metal mesh shaping section of thick bamboo 4 is the same, and can provide more similar adsorption affinity for the material silk that falls on a metal mesh shaping section of thick bamboo 4, can make the ready-made cloth quality of non-woven fabrics more even.

In a further preferred embodiment, the width of the gas collecting groove 2 is set to be large at both ends and small in the middle in the extending direction of the gas collecting groove 2, thereby further improving the negative pressure balance degree in the gas collecting groove 2. The gas collecting groove 2 has a structure as shown in fig. 3, 5, and 6, in which the groove bottom of the gas collecting groove 2 is set to have two ends low and a middle high along the extending direction of the gas collecting groove 2, the groove width of the gas collecting groove 2 is set to have two ends large and a middle small along the extending direction of the gas collecting groove 2, and the gas collecting groove 2 is waist-drum-shaped as a whole, particularly, the lower half portion, as shown in fig. 3.

Example 4

Different from embodiment 1, the gas collecting device further comprises a fixing groove 3 arranged along the extending direction of the gas collecting groove 2, the gas collecting groove 2 is embedded in the fixing groove 3, the notch of the fixing groove 3 is abutted against the outer side of the groove wall of the gas collecting groove 2, and an accommodating space 31 is arranged between the inner side surface of the groove wall of the fixing groove 3 and the outer side surface of the groove wall of the gas collecting groove 2. Since the hot air reaching the metal mesh forming cylinder 4 still has a high temperature of about 100 ℃, the accommodating space 31 can be used for accommodating cooling liquid such as water, thereby reducing adverse effects of the hot air on equipment and adverse effects of residual heat of the hot air on the cloth forming quality of the non-woven fabric. The notch of fixed slot 3 and the cell wall accessible welding of gaseous groove 2 of gathering realize fixedly such as riveting, joint.

Further, in a preferred embodiment, the economizer further includes a metal mesh forming cylinder 4 and a rotating body 41, the fixing groove 3 is provided in the metal mesh forming cylinder 4, the rotating body 41 is provided between an outer wall surface of the fixing groove 3 and an inner wall surface of the metal mesh forming cylinder 4, and the rotating body 41 abuts against the outer wall surface of the fixing groove 3 and the inner wall surface of the metal mesh forming cylinder 4, respectively. As shown in fig. 4, the rotating body 41 may be provided in the form of balls, rollers, or the like, and effects rotation of the wire forming drum 4 in the circumferential direction during the cloth forming process.

Example 5

Different from the embodiment 4, the wall of the gas collecting tank 2 is provided with a heat insulating layer. Through setting up the insulating layer, when can holding the coolant liquid in accommodation space 31, reduce the influence of coolant liquid to the hot-blast in the gaseous gathering groove 2, reduce the loss of hot-blast remaining heat energy, effectively guarantee the cooling of coolant liquid to fixed slot 3, metal mesh shaping section of thick bamboo 4, rotor 41 isotructure simultaneously. The heat insulating layer may be formed by attaching a heat insulating film to the inner wall surface of the gas collecting tank 2, by providing a heat insulating composite layer, or the like.

Example 6

As shown in fig. 1 to 6, this is an embodiment of the invention, specifically: a non-woven fabric manufacturing apparatus includes an energy saving device. The energy-saving device comprises a suction device 1, the suction device 1 comprises a suction air inlet 11 and a suction air outlet 12, the suction air inlet 11 is used for being connected with the metal mesh forming cylinder 4, and the suction air outlet 12 is used for being connected with an air heating device 5. The suction device 1 may be provided as an air pump. The suction air inlet 11 can be arranged as a direct inlet of the suction device 1, or can be arranged as a pipeline inlet after the direct inlet of the suction device 1 is connected with a pipeline; similarly, the suction air outlet 12 may be a direct outlet of the suction device 1, or may be a pipeline outlet after the direct outlet of the suction device 1 is connected to a pipeline. Both ends of the gas collecting groove 2 are provided with groove body air outlets 22, the suction equipment 1 comprises two suction air inlets 11, and the two suction air inlets 11 are respectively connected with the groove body air outlets 22 at both ends of the gas collecting groove 2. The energy-saving device comprises a gas collecting groove 2 arranged in a metal mesh forming cylinder 4, the gas collecting groove 2 comprises a collecting section 21 for collecting gas, the collecting section 21 is arranged at the notch of the gas collecting groove 2, and the end part of the gas collecting groove 2 is provided with a groove body air outlet 22. The collecting section 21 tapers in the direction of the bottom of the gas collecting channel 2. The gas collecting tank 2 further comprises a gradually expanding section 23 connected with the collecting section 21, the collecting section 21 and the gradually expanding section 23 are sequentially arranged along the direction close to the bottom of the gas collecting tank 2, and the gradually expanding section 23 is gradually expanded along the direction close to the bottom of the gas collecting tank 2. As shown in fig. 3, 5, and 6, the gas collecting groove 2 in the present embodiment has a wine bottle shape as a whole in cross section.

The bottom of the gas collecting groove 2 is set to be low at both ends and high in the middle along the extending direction of the gas collecting groove 2, and the width of the gas collecting groove 2 is set to be large at both ends and small in the middle along the extending direction of the gas collecting groove 2. The gas collecting tank 2 has a structure as shown in fig. 3, 5, and 6, in which the bottom of the gas collecting tank 2 is set to have two ends low and a middle high along the extending direction of the gas collecting tank 2, the width of the gas collecting tank 2 is set to have two ends large and a middle small along the extending direction of the gas collecting tank 2, and the gas collecting tank 2 is waist-drum-shaped as a whole, particularly, the lower half. The wall of the gas collecting groove 2 is provided with a heat insulation layer. The heat insulating layer may be formed by attaching a heat insulating film to the inner wall surface of the gas collecting tank 2, by using a heat insulating composite layer, or the like.

The energy-saving device further comprises a fixing groove 3 arranged along the extending direction of the gas collecting groove 2, the gas collecting groove 2 is embedded in the fixing groove 3, the notch of the fixing groove 3 is abutted against the outer side of the groove wall of the gas collecting groove 2, and an accommodating space 31 is arranged between the inner side surface of the groove wall of the fixing groove 3 and the outer side surface of the groove wall of the gas collecting groove 2. The both ends accessible of fixed slot 3 sets up forms such as apron, and the both ends of plugging up accommodation space. The notch of fixed slot 3 and the cell wall accessible welding of gaseous groove 2 of gathering realize fixedly such as riveting, joint.

The energy-saving device further comprises a metal mesh forming cylinder 4 and a rotating body 41, wherein the fixing groove 3 is arranged in the metal mesh forming cylinder 4, the rotating body 41 is arranged between the outer wall surface of the fixing groove 3 and the inner wall surface of the metal mesh forming cylinder 4, and the rotating body 41 is respectively abutted against the outer wall surface of the fixing groove 3 and the inner wall surface of the metal mesh forming cylinder 4. As shown in fig. 4, the rotating body 41 may be provided in the form of balls, rollers, or the like, and effects rotation of the wire forming drum 4 in the circumferential direction during the cloth forming process. It is easily conceivable that the gas collecting channel 2 is provided with a corresponding rotary avoiding structure.

As shown in fig. 6, the economizer further includes a cooling circulation circuit 32, the cooling circulation circuit 32 includes a fluid inlet pipe 321, a fluid outlet pipe 322, and a circulation driving device 323, both ends of the fluid inlet pipe 321 are respectively communicated with the accommodating space 31 and the circulation driving device 323, and both ends of the fluid outlet pipe 322 are respectively communicated with the accommodating space 31 and the circulation driving device 323. The cooling liquid in the accommodating space 31 can be circulated through the cooling circulation loop 32, and the situation that the cooling liquid is too high in temperature to achieve a cooling effect in a continuous cooling process is avoided. Naturally, the fluid discharge pipe 322 or the fluid discharge pipe 321 may be connected to a cooling pool or other heat dissipation device to dissipate heat absorbed by the cooling fluid, so as to prevent the cooling fluid from being heated. The circulation driving means 323 may be provided as a water pump.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, so that any modification, equivalent change and modification made to the above embodiment according to the technical spirit of the present invention are within the scope of the technical solution of the present invention.