CN210321020U - Energy-saving drying equipment for spunlace nonwoven process - Google Patents
Energy-saving drying equipment for spunlace nonwoven process Download PDFInfo
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- CN210321020U CN210321020U CN201921015239.0U CN201921015239U CN210321020U CN 210321020 U CN210321020 U CN 210321020U CN 201921015239 U CN201921015239 U CN 201921015239U CN 210321020 U CN210321020 U CN 210321020U
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Abstract
The utility model discloses an energy-saving drying device for spunlace nonwoven fabric process, which comprises a drying box, a vacuum suction system and a hot air system, wherein the drying box is separated by a partition plate to form a preheating zone and a drying zone, the preheating zone and the drying zone are both provided with a rotary drum and a drying box cover used in cooperation with the rotary drum, the side wall of the drying box of the preheating zone is provided with a cloth inlet, the side wall of the drying box of the drying zone is provided with a cloth outlet, and the partition plate is provided with an opening through which the cloth passes; the hot air system is communicated with the oven cover; the vacuum suction system is arranged in the rotary drum, the vacuum suction system positioned in the drying area is communicated with the oven cover positioned in the preheating area, and the vacuum suction system positioned in the preheating area is communicated with the air inlet pipe of the hot air system. The utility model discloses separate the stoving case and set up to preheating zone and drying zone, utilize the waste heat in drying zone to preheat the back to the wet cloth in preheating zone, dry in drying zone again, can not only improve the heat energy utilization efficiency in drying zone, can also retrieve the heat energy waste heat, have energy saving and consumption reduction's effect.
Description
Technical Field
The utility model discloses locate non-weaving industrial equipment technical field, specific saying so, an energy-conserving drying equipment for water thorn non-woven processes.
Background
In the production process of the spunlace nonwoven fabric, after the fiber web is spunlaced into the fabric, although the fabric is pressed by a padder to remove water, a large amount of water is still absorbed on the fabric, so that a drying procedure is required to be arranged in the production process of the spunlace nonwoven fabric. In the traditional process, a hot air drying mode is mostly adopted, namely, the wet cloth on the surface of the conveying belt is dried by utilizing hot air, and the drying mode often causes poor non-woven cloth drying effect due to incomplete drying, so that the product quality of the non-woven cloth cannot be ensured.
Prior patent document CN109140975A (a novel heated air circulation drying equipment for non-woven fabric production, 2019.01.04) describes a drying heating box, and the non-woven fabric is "S" type through last guide roll and lower guide roll and distributes in the heating box both sides for the upper and lower surface of non-woven fabric can carry out a lot of heating in drying incasement portion, is favorable to detaching the moisture of non-woven fabric fast, improves drying efficiency, and simultaneously, hot-blast circulated use has reduced the energy resource consumption that hot-blast use brought. Because the non-woven fabrics is "S" type and distributes, for improving drying efficiency, need to arrange a plurality of ceramic heating pipe and interval setting between the non-woven fabrics in the heating cabinet, dry the non-woven fabrics by its hot-blast that produces, in the actual industrial production process, because the specific arrangement mode of ceramic heating pipe and non-woven fabrics often needs the heating cabinet to possess bigger volume, and do not benefit to the optimal configuration of industrial land and production line, simultaneously, the utilization ratio of this mode thermal efficiency is low, the product is felt harder.
The current hot air penetrating type dryer, such as "national defense textile guide", 9 th 2005, "application of dryer in spunlaced nonwoven production", liu dong sheng, dong lun science and technology industries limited company (china), describes a penetrating type drying mode, i.e. in the process that spunlaced cloth passes through a drying cylinder cover along a rotary drum, the surface of the rotary drum adopts a honeycomb structure, a vacuum suction system in the rotary drum makes steam hot air pass through the spunlaced cloth and enter the drum and be pumped away, moisture on the cloth is heated and evaporated and taken away along with hot air pumped into the drum, the pumped air is sent into a circulating system, the moisture is discharged and then heated by a heat exchanger and then sent to a drying cover, and practices prove that the steam hot air penetrating type drying has obviously higher thermal efficiency than other hot air drying modes and good product hand feeling. However, in the actual production process, steam hot air still needs to be continuously supplied, and the energy consumption is high.
Based on the above situation, the utility model discloses should transport and come into production for satisfying the high-efficient effect of drying of water thorn non-woven fabrics.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an energy-conserving drying equipment for water thorn non-woven processes separates the stoving case and sets up to preheating zone and drying zone, utilizes the waste heat of drying zone to preheat the wet cloth in preheating zone after, dries in drying zone again, can not only improve the heat energy utilization efficiency in drying zone, can also retrieve the heat energy waste heat, has energy saving and consumption reduction's effect.
The utility model discloses a following technical scheme realizes: an energy-saving drying device for spunlace nonwoven fabric process comprises a drying box, a vacuum suction system and a hot air system, wherein the drying box is divided by a partition plate to form a preheating zone and a drying zone, rotary drums and drying box covers matched with the rotary drums are arranged in the preheating zone and the drying zone, a cloth inlet is formed in the side wall of the drying box of the preheating zone, a cloth outlet is formed in the side wall of the drying box of the drying zone, and an opening through which cloth passes is formed in the partition plate; the hot air system is communicated with the oven cover; the vacuum suction system is arranged in the rotary drum, the vacuum suction system positioned in the drying area is communicated with the oven cover positioned in the preheating area, and the vacuum suction system positioned in the preheating area is communicated with the air inlet pipe of the hot air system.
Guide wheels are arranged in the preheating zone and the drying zone, and the guide wheels in the preheating zone are arranged between the rotary drum and the cloth inlet in the preheating zone; the guide wheel in the drying area is arranged between the rotary drum and the cloth outlet in the drying area.
The cloth is S-shaped and sequentially bypasses the rotary drums of the preheating zone and the drying zone.
The surface of the rotary drum is of a honeycomb structure.
The drying oven cover is arranged along the inner wall of the drying oven, and a plurality of hot air outlets are uniformly distributed on the drying oven cover corresponding to the rotary drum.
The hot air system comprises a heat exchanger and a hot air pipe, and the heat exchanger is connected with the oven cover through the hot air pipe.
The vacuum suction system comprises a vacuum suction pump arranged in the rotary drum and an air supply pipe connected with the vacuum suction pump, the vacuum suction pump positioned in the drying area is connected with the oven cover of the preheating area through the air supply pipe, and the vacuum suction pump positioned in the preheating area is connected with an air inlet pipe of the hot air exchanger through the air supply pipe.
And the vacuum suction pump positioned in the drying area is connected with an air inlet pipe of the hot air exchanger through an air supply pipe.
And a dehumidifier is arranged on the blast pipe connected with the vacuum suction pump.
And the opening is provided with a scraping blade.
Compared with the prior art, the utility model, following advantage and beneficial effect have:
(1) the utility model discloses a hot-blast penetrating type stoving mode, honeycomb structure is adopted on the rotary drum surface, during the use, through the negative pressure that the vacuum suction system in the rotary drum produced, make and send into the rotary drum after passing the cloth to hot-blast in the oven cover to the hot-air that produces is heated the wind evaporation and is sent away by the suction in the lump with the cloth, hot-blast heat is dried the cloth through the mode of convection current, is favorable to the improvement of thermal efficiency.
(2) The utility model discloses a baffle separates the stoving case and forms preheating zone and dry district, oven cover in the district provides hot-blast to drying, the waste heat that produces in the dry district is sucked by vacuum pumping system and is sent to the preheating zone, do the hot-blast use of preheating zone oven cover again, perhaps directly send to heat exchanger's air-supply line and reheat, not only can realize the retrieval and utilization of hot-blast waste heat, reduce preheating zone or heat exchanger's energy consumption, through the setting of preheating zone, can still further improve the stoving speed in dry district, be favorable to the control of processing cost.
(3) The utility model discloses a drying of baffle subregion utilizes the reasonable control of hot-blast and/waste heat amount of wind, can realize preheating zone and the independent control of the interior humiture of drying zone, has the characteristics that stoving effect is good, hot-blast high-usage, the energy consumption obviously reduces than traditional drying-machine.
(4) The utility model discloses in, the pre-drying cloth is "S" shape motion and loops through preheating zone and drying zone, and in the actual production process, the drying equipment design overall height that stoving case, rotary drum, oven cover isotructure are constituteed is 7m, has space utilization height, and characteristics that area is little more are favorable to the reduction of production area and the optimal configuration of production line than traditional technology.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a cross-sectional view of the drum of the present invention.
The device comprises a drying box 1, a partition plate 2, a preheating zone 3, a drying zone 4, a rotary drum 5, a drying box cover 6, a cloth inlet 7, a cloth outlet 8, an opening 9, a guide wheel 10, a heat exchanger 11, a hot air pipe 12, a vacuum suction pump 13, an air supply pipe 14 and a dehumidifier 15.
Detailed Description
The present invention will be described in further detail with reference to examples, but the present invention is not limited thereto.
Example (b):
the embodiment provides an energy-saving drying device for a spunlace nonwoven fabric process.
The equipment comprises a drying box 1, a vacuum suction system and a hot air system, wherein as shown in a structure of a figure 1, the drying box 1 is divided by a partition plate 2 to form a preheating zone 3 and a drying zone 4, guide wheels 10, a rotary drum 5 and a drying box cover 6 matched with the rotary drum 5 for use are respectively arranged in the preheating zone 3 and the drying zone 4, the guide wheels 10 in the preheating zone 3 are arranged between the rotary drum 5 in the preheating zone 3 and a cloth inlet 7, the guide wheels 10 in the drying zone 4 are arranged between the rotary drum 5 and a cloth outlet 8 in the drying zone 4, the surface of the rotary drum 5 is of a honeycomb structure, and cloth sequentially bypasses the rotary drums 5 in the preheating zone 3 and the drying zone 4 in an S shape; the drying box cover 6 is arranged along the inner wall of the drying box 1, a plurality of hot air outlets are uniformly distributed on the drying box cover 6 corresponding to the rotary drum 5 in the area, a cloth inlet 7 is arranged on the side wall of the drying box 1 of the preheating area 3, a cloth outlet 8 is arranged on the side wall of the drying box 1 of the drying area 4, an opening 9 through which cloth passes is arranged on the partition plate 2, and a scraping blade is arranged on the opening 9.
The hot air system comprises a heat exchanger 11 and a hot air pipe 12, as shown in the structure of figure 1, the heat exchanger 11 is connected with the drying area 4 and the oven cover 6 of the preheating area 3 through the hot air pipe 12, and the hot air pipe 12 is provided with a control valve V1And V2。
The vacuum suction system comprises a vacuum suction pump 13 arranged in the rotary drum 5 and a blast pipe 14 connected with the vacuum suction pump 13, as shown in the structure of figure 1, the vacuum suction pump 13 arranged in the drying area 4 is connected with the oven cover 6 of the preheating area 3 through the blast pipe 14, the vacuum suction pump 13 arranged in the preheating area 3 is connected with an air inlet pipe of a hot air exchanger through the blast pipe 14, and a dehumidifier 15 and a control valve V are arranged on the blast pipe 14 connected with the vacuum suction pump 133And V4。
The drying equipment related to the embodiment is suitable for a hot air drying process after dewatering wet cloth subjected to spunlace in a padder in a spunlace non-woven fabric production process. Before use, the drying box 1 is preheated, and a control valve V on an air inlet pipe is opened5Starting the hot air exchanger and adjusting the control valve V1And V2Preheating the temperature in the preheating zone 3 and the drying zone 4 respectively, wherein the temperature in the preheating zone 3 is preheated to 80-90 ℃, and the temperature in the drying zone 4 is preheated to 90-100 ℃. After the equipment is preheated, wet cloth is sent into the drying box 1 by a tractor, the wet cloth is sent into the preheating zone 3 by a cloth inlet 7, turns around a rotary drum 5 in the preheating zone 3 by a guide wheel 10, and then is sent into the drying zone 4 through an opening 9 of a partition plate 2, and meanwhile, a scraper blade on the opening 9 removes redundant moisture on the cloth; the cloth entering the drying area 4 bypasses the rotary drum 5 in the drying area 4, then turns by the guide wheel 10, and finally is sent out of the drying box 1 through the cloth outlet 8. In the drying process, the control valve V is adjusted1The temperature of the drying zone 4 is kept at 100-120 ℃, and the control valve V is closed2The vacuum suction pump 13 is started, the negative pressure generated by the vacuum suction pump 13 causes the hot air to pass through the fabric and then enter the rotary drum 5 to be sucked and conveyed away, and the conveyed hot air is generated by the fabric being evaporated by the hot air, as shown in the structure of fig. 2. Opening control valve V3After the moisture of the waste heat and the hot air generated in the drying area 4 is removed by the dehumidifier 15, the waste heat and the hot air are sent to the oven cover 6 of the preheating area 3, and when the drying device is in actual use, the waste heat and the hot air can be adjusted by the control valve V3Control valve V2Or a control valve V3Control valve V6Control valve V7The temperature in the preheating zone 3 is maintained at 80-90 ℃. Opening control valve V4The residual heat and hot air generated in the preheating zone 3 are pumped to the blast pipe 14, dehumidified by the dehumidifier 15 and sent to the blast pipe of the hot air exchanger.
In this embodiment, the cloth is "S" line and moves in stoving case 1, the mode of hot-blast convection current is adopted to the stoving mode, be favorable to improving the stoving speed of cloth, stoving case 1 divides into preheating zone 3 and drying zone 4, the independent control of the regulation realization temperature of accessible hot-blast volume in each region, be favorable to the improvement of stoving effect and hot-blast utilization ratio, the hot air system and the vacuum suction system that this embodiment relates to combine together, utilize the waste heat of drying zone 4 to heat preheating zone 3, reduce the equipment energy consumption.
The above is only the preferred embodiment of the present invention, not to the limitation of the present invention in any form, all the technical matters of the present invention all fall into the protection scope of the present invention to any simple modification and equivalent change of the above embodiments.
Claims (10)
1. An energy-saving drying equipment for spunlace nonwoven fabric process is characterized in that: the drying device comprises a drying box (1), a vacuum suction system and a hot air system, wherein the drying box (1) is separated by a partition plate (2) to form a preheating zone (3) and a drying zone (4), rotary drums (5) and drying box covers (6) matched with the rotary drums (5) are arranged in the preheating zone (3) and the drying zone (4), a cloth inlet (7) is formed in the side wall of the drying box (1) of the preheating zone (3), a cloth outlet (8) is formed in the side wall of the drying box (1) of the drying zone (4), and an opening (9) through which cloth passes is formed in the partition plate (2); the hot air system is communicated with the oven cover (6); the vacuum suction system is arranged in the rotary drum (5), the vacuum suction system positioned in the drying area (4) is communicated with the oven cover (6) positioned in the preheating area (3), and the vacuum suction system positioned in the preheating area (3) is communicated with the air inlet pipe of the hot air system.
2. An energy saving drying apparatus for spunlace nonwoven process according to claim 1, characterized in that: guide wheels (10) are arranged in the preheating zone (3) and the drying zone (4), and the guide wheels (10) in the preheating zone (3) are arranged between the rotary drum (5) and the cloth inlet (7) in the preheating zone (3); the guide wheel (10) in the drying area (4) is arranged between the rotary drum (5) and the cloth outlet (8) in the drying area (4).
3. An energy saving drying apparatus for spunlace nonwoven process according to claim 2, characterized in that: the cloth is S-shaped and sequentially bypasses the rotary drum (5) of the preheating zone (3) and the drying zone (4).
4. An energy saving drying apparatus for spunlace nonwoven process according to claim 1, characterized in that: the surface of the rotary drum (5) is of a honeycomb structure.
5. An energy saving drying apparatus for spunlace nonwoven process according to claim 1, characterized in that: the drying box cover (6) is arranged along the inner wall of the drying box (1), and a plurality of hot air outlets are uniformly distributed on the drying box cover (6) corresponding to the rotary drum (5).
6. An energy saving drying apparatus for spunlace nonwoven process according to claim 1, characterized in that: the hot air system comprises a heat exchanger (11) and a hot air pipe (12), wherein the heat exchanger (11) is connected with the oven cover (6) through the hot air pipe (12).
7. An energy saving drying apparatus for spunlace nonwoven process according to claim 6, characterized in that: the vacuum suction system comprises a vacuum suction pump (13) arranged in the rotary drum (5) and an air supply pipe (14) connected with the vacuum suction pump (13), the vacuum suction pump (13) positioned in the drying area (4) is connected with the oven cover (6) of the preheating area (3) through the air supply pipe (14), and the vacuum suction pump (13) positioned in the preheating area (3) is connected with an air inlet pipe of the hot air exchanger through the air supply pipe (14).
8. An energy saving drying apparatus for spunlace nonwoven process according to claim 7, characterized in that: and a vacuum suction pump (13) positioned in the drying area (4) is connected with an air inlet pipe of a hot air exchanger through an air supply pipe (14).
9. An energy saving drying apparatus for spunlace nonwoven process according to claim 7, characterized in that: a dehumidifier (15) is arranged on the blast pipe (14) connected with the vacuum suction pump (13).
10. An energy saving drying apparatus for spunlace nonwoven process according to claim 1, characterized in that: and a scraping blade is arranged on the opening (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921015239.0U CN210321020U (en) | 2019-07-02 | 2019-07-02 | Energy-saving drying equipment for spunlace nonwoven process |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921015239.0U CN210321020U (en) | 2019-07-02 | 2019-07-02 | Energy-saving drying equipment for spunlace nonwoven process |
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| CN210321020U true CN210321020U (en) | 2020-04-14 |
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| CN201921015239.0U Active CN210321020U (en) | 2019-07-02 | 2019-07-02 | Energy-saving drying equipment for spunlace nonwoven process |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112254485A (en) * | 2020-11-03 | 2021-01-22 | 山东北方造纸机械有限公司 | High-efficient environmental protection drying device |
| CN112411020A (en) * | 2020-11-24 | 2021-02-26 | 浙江熔聚装备科技有限公司 | Energy-saving device and non-woven fabric manufacturing equipment |
| CN114812109A (en) * | 2022-04-19 | 2022-07-29 | 武汉市依翎针织有限责任公司 | Clothing cloth drying equipment |
-
2019
- 2019-07-02 CN CN201921015239.0U patent/CN210321020U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112254485A (en) * | 2020-11-03 | 2021-01-22 | 山东北方造纸机械有限公司 | High-efficient environmental protection drying device |
| CN112411020A (en) * | 2020-11-24 | 2021-02-26 | 浙江熔聚装备科技有限公司 | Energy-saving device and non-woven fabric manufacturing equipment |
| CN114812109A (en) * | 2022-04-19 | 2022-07-29 | 武汉市依翎针织有限责任公司 | Clothing cloth drying equipment |
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