Drying device for wool felt production

Abstract

The utility model discloses a drying device for wool felt production, which comprises a drying oven, a heating box, a filter box and a recovery mechanism, a recovery assembly for hot air recovery and cold air preheating is arranged in the recovery mechanism, and a filter screen for filtering dust in drying gas is arranged in the filter box. The drying device for wool felt production is simple in structure and reasonable in design, the problem that energy is wasted due to the fact that an existing drying device for wool felt production is not provided with a heat recovery device is solved, the production cost is reduced, and the production efficiency is improved. And meanwhile, the problems that gas dried by an existing drying device for wool felt production is directly discharged without being filtered, and batting and dust in the dried gas pollute the production environment are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of wool felt production equipment, in particular to a drying device used for wool felt production. Background Art

[0002] Wool felt is a common material, mainly made of wool. The production process of this material includes compressing, heating, rubbing and other means to make the wool fibers fit together tightly to form a felt-like material with a certain elasticity and softness. Wool felt has good warmth retention, moisture absorption and durability. When making wool felt, the wool felt needs to be dried.

[0003] Deficiencies of existing technology:

[0004] At present, the existing wool felt production drying equipment often directly discharges the hot air flow generated during the drying process into the air. The hot air also contains a high amount of heat. Direct discharge not only causes energy waste, but also increases production costs. The dust generated by drying is directly discharged into the air, which also pollutes the production environment. Utility Model Content

[0005] The purpose of the utility model is to provide a drying device for wool felt production to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a drying device for wool felt production, comprising an oven for drying wool felt, a heating box for heating gas, and a filter box for filtering the drying gas, characterized in that: the two ends of the oven are respectively connected to the air outlet of the heating box and the air inlet of the filter box through pipelines, and a recovery mechanism is provided between the air inlet of the heating box and the filter box;

[0007] The recycling mechanism includes:

[0008] A recovery component, wherein the recovery air inlet pipe of the recovery component is connected to the filter box through a pipeline, and the air outlet pipe of the recovery component is connected to the heating box through a pipeline;

[0009] An air inlet fan, the air inlet fan being connected to a side air inlet pipe of the recovery component through a pipeline;

[0010] A circulation fan, wherein two ends of the circulation fan are respectively connected to the air outlet of the filter box and the recovery air inlet pipe.

[0011] Preferably, the recycling component comprises:

[0012] A hot air recovery tank, wherein the upper air inlet and the lower air outlet of the hot air recovery tank are connected to the recovery air inlet pipe and the air outlet pipe respectively;

[0013] A hot air duct, wherein the hot air duct is fixedly arranged inside the recovery hot air tank and connected to the recovery air inlet pipe, and the duct wall of the hot air duct is made of heat-conducting material;

[0014] The cold air duct is fixed outside the hot air duct, and the two ends of the cold air duct are respectively connected to the side air inlet duct and the air outlet duct, and the internal cavity of the cold air duct is spiral.

[0015] Preferably, the inner walls on both sides of the oven are provided with a plurality of drying ports, and the drying ports are connected to the air outlet of the heating box through a shunt pipe.

[0016] Preferably, a plurality of transmission shafts for transmitting wool felt are arranged in the oven, and the transmission shafts are arranged in two rows in a staggered manner.

[0017] Preferably, the inlet and outlet of the oven are both provided with brushes for combing the surface of the wool felt and reducing gas overflow in the oven.

[0018] Preferably, the filter box is provided with a filter net for filtering dried lint and dust, a non-woven fabric for screening out moisture from the recovered gas, and absorbent cotton for absorbing moisture.

[0019] Preferably, the oven, the heating box, the filter box, the connecting pipes between the recovery mechanism and the recovery components are all wrapped with an insulation layer.

[0020] Compared with the prior art, the beneficial effects of the utility model are:

[0021] 1. The drying device for wool felt production is provided with a recovery mechanism, which includes a recovery component, an air intake fan, and a circulation fan. The hot air after drying can be recovered and the cold air can be preheated, thereby improving the drying efficiency, saving energy, and reducing the production cost.

[0022] 2. This drying device for wool felt production is provided with a filter box, in which a filter net, non-woven fabric and absorbent cotton are provided. The non-woven fabric and absorbent cotton can absorb moisture in the drying gas, and the filter net can filter the lint and dust in the hot air after drying, thereby avoiding the direct discharge of dust and lint into the air to pollute the production environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a structural schematic diagram of the utility model;

[0024] Figure 2 It is a schematic diagram of the internal structure of the recycling component of the utility model;

[0025] Figure 3 This is a right side view of the oven of the present utility model;

[0026] Figure 4This is a schematic diagram of the internal structure of the filter box of the utility model;

[0027] In the figure: 1. drying oven; 101. drying port; 102. transmission shaft; 103. brush; 2. heating box; 3. filter box; 301. filter net; 302. non-woven fabric; 303. absorbent cotton; 4. recycling mechanism; 401. recycling air inlet pipe; 402. air outlet pipe; 403. air inlet fan; 404. side air inlet pipe; 405. circulation fan; 406. recycling hot air tank; 407. hot air duct; 408. cold air duct. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicating orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0030] In the description of this patent, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "setting" should be understood in a broad sense, for example, it can be fixed connection, setting, or detachable connection, setting, or integrated connection, setting. For ordinary technicians in this field, the specific meanings of the above terms in this patent can be understood according to specific circumstances.

[0031] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "several" is two or more, unless otherwise clearly and specifically defined.

[0032] Example 1

[0033] See also Figure 1-4As shown, the utility model provides a technical solution for a drying device for wool felt production: a drying device for wool felt production, comprising an oven 1 for drying wool felt, a heating box 2 for heating gas and a filter box 3 for filtering the drying gas, the two ends of the oven 1 are connected to the air outlet of the heating box 2 and the air inlet of the filter box 3 by pipes, and a recovery mechanism 4 is connected between the air inlet of the heating box 2 and the filter box 3 by pipes.

[0034] The recycling mechanism 4 includes a recycling component, an air inlet fan 403, and a circulation fan 405. The recycling air inlet pipe 401 of the recycling component is connected to the filter box 3 through a pipeline, and the air outlet pipe 402 of the recycling component is connected to the heating box 2 through a pipeline; the air inlet fan 403 is connected to the side air inlet pipe 404 of the recycling component through a pipeline; the circulation fan 405 is arranged between the recycling component and the filter box 3, and the two ends of the circulation fan 405 are respectively connected to the air outlet of the filter box 3 and the recycling air inlet pipe 401 through pipelines.

[0035] The recovery component includes a recovery hot air tank 406, a hot air duct 407, and a cold air duct 408. The recovery hot air tank 406 is arranged on the recovery air inlet pipe 401 to connect to the air outlet pipe 402 at the bottom end of the recovery component; the hot air duct 407 is fixedly arranged inside the recovery hot air tank 406 and connected to the recovery air inlet pipe 401, and the pipe wall of the hot air duct 407 is made of heat-conducting material; the cold air duct 408 is fixed outside the hot air duct 407, one end of the cold air duct 408 is connected to the side air inlet pipe 404, and the other end is connected to the air outlet pipe 402. The internal cavity of the cold air duct 408 is spiral, and the recovery hot air tank 406 can preheat the cold air in the recovery component.

[0036] A plurality of drying ports 101 are provided on the inner walls of both sides of the oven 1 , and the drying ports 101 are connected to the air outlet of the heating box 2 through a shunt pipe.

[0037] A plurality of transmission shafts 102 for transmitting wool felt are arranged in the oven 1, and the transmission shafts 102 are arranged in two staggered rows.

[0038] The inlet and outlet of the oven 1 are both equipped with brushes 103 for combing the surface of the wool felt and reducing the gas overflow in the oven 1.

[0039] The filter box 3 is provided with a filter net 301 for filtering lint and dust in the recovered gas, a non-woven fabric 302 for filtering out moisture in the recovered gas, and a water-absorbing cotton 303 for absorbing moisture.

[0040] The connecting pipes between the oven 1, the heating box 2, the filter box 3 and the recovery mechanism 4 are all wrapped with a heat-insulating layer.

[0041] The working principle of the utility model is as follows:

[0042] When the drying device for wool felt production of the present embodiment is used, the wool felt is placed in the oven 1 and transmitted through the transmission shaft 101. The feeding end and the discharging end pass through the brush 103 respectively. The circulating motor 405 drives the dried gas to enter the filter box 3. The dried gas passes through the filter screen 301 to filter dust and lint. The absorbent cotton 303 absorbs moisture in the dried gas. The non-woven fabric 302 further removes moisture in the dried gas. The circulating motor 405 drives the filtered hot air to pass through the recovery air inlet pipe 40. 1 enters the recovery hot air tank 406 in the recovery component, the air inlet fan 403 extracts cold air in the air and enters the cold air duct 408 in the recovery component through the side air inlet pipe 404. When the hot air passes through the hot air duct 407, the heat of the hot air in the recovery hot air tank 406 is transferred to the cold air in the cold air duct 408 to preheat the cold air. The cold air and the hot air are mixed at the end of the recovery hot air tank 406 and then transmitted to the heating box 2 through the air outlet 402 for heating. The heated air enters the drying oven 1 through the drying port 102 to dry the wool.

[0043] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A drying device for wool felt production, comprising an oven (1) for drying wool felt, a heating box (2) for heating gas, and a filter box (3) for filtering the drying gas, characterized in that: The two ends of the oven (1) are connected to the air outlet of the heating box (2) and the air inlet of the filter box (3) through pipelines, and a recovery mechanism (4) is provided between the air inlet of the heating box (2) and the filter box (3); The recovery mechanism (4) comprises: A recovery component, wherein the recovery air inlet pipe (401) of the recovery component is connected to the filter box (3) through a pipeline, and the air outlet pipe (402) of the recovery component is connected to the heating box (2) through a pipeline; An air inlet fan (403), the air inlet fan (403) being connected to a side air inlet pipe (404) of the recovery component via a pipeline; A circulation fan (405), wherein two ends of the circulation fan (405) are respectively connected to the air outlet of the filter box (3) and the recovery air inlet pipe (401).

2. A drying device for wool felt production according to claim 1, characterized in that: The recycling component includes: A hot air recovery tank (406), wherein the upper air inlet and the lower air outlet of the hot air recovery tank (406) are respectively connected to the recovery air inlet pipe (401) and the air outlet pipe (402); A hot air duct (407), wherein the hot air duct (407) is fixedly arranged inside the hot air recovery tank (406) and connected to the recovery air inlet pipe (401), and the duct wall of the hot air duct (407) is made of heat-conducting material; A cold air duct (408), wherein the cold air duct (408) is fixed outside the hot air duct (407), and two ends of the cold air duct (408) are respectively connected to the side air inlet duct (404) and the air outlet duct (402), and the internal cavity of the cold air duct (408) is spiral.

3. A drying device for wool felt production according to claim 1, characterized in that: The inner walls on both sides of the oven (1) are provided with a plurality of drying openings (101), and the drying openings (101) are connected to the air outlet of the heating box (2) via a shunt pipe.

4. A drying device for wool felt production according to claim 1, characterized in that: A plurality of transmission shafts (102) for transmitting wool felt are arranged in the oven (1), and the transmission shafts (102) are arranged in two rows in a staggered manner.

5. A drying device for wool felt production according to claim 1, characterized in that: The inlet and outlet of the oven (1) are both provided with brushes (103) for combing the surface of the wool felt and reducing gas overflow from the oven (1).

6. A drying device for wool felt production according to claim 1, characterized in that: The filter box (3) is provided with a filter screen (301) for filtering dried lint and dust, a non-woven fabric (302) for screening out moisture from the recovered gas, and absorbent cotton (303) for absorbing moisture.

7. A drying device for wool felt production according to claim 1, characterized in that: The connecting pipes between the oven (1), the heating box (2), the filter box (3), the recovery mechanism (4) and the recovery components are all wrapped with a thermal insulation layer.

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