CN217465290U - Closed circulation dehumidification mesh belt dryer - Google Patents

Closed circulation dehumidification mesh belt dryer Download PDF

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Publication number
CN217465290U
CN217465290U CN202220495268.7U CN202220495268U CN217465290U CN 217465290 U CN217465290 U CN 217465290U CN 202220495268 U CN202220495268 U CN 202220495268U CN 217465290 U CN217465290 U CN 217465290U
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air
pipe
air supply
drying box
supply pipe
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CN202220495268.7U
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Chinese (zh)
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周玉松
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Sichuan Yunfen Technology Development Co ltd
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Sichuan Dihong Technology Co ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

Abstract

The utility model relates to the technical field of drying equipment, and discloses a closed circulation dehumidification mesh belt dryer, which comprises a drying box, wherein the top of the drying box is provided with a first circulation air pipe, and the first circulation air pipe is provided with a dehumidification heating unit; the side surface of the drying box is provided with an air supply pipe, the air supply pipe is arranged along the length direction of the side wall of the drying box, and a plurality of air inlets communicated with the air supply pipe and the drying box are arranged at the positions of the side wall of the drying box corresponding to the air supply pipe; a second circulating air pipe is arranged at the bottom of the drying box, extends from the bottom of the drying box to the air supply pipe and is communicated with the air supply pipe; and exhaust fans with wind directions facing the inner cavity of the air supply pipe are arranged at one ends of the first circulating air pipe and the second circulating air pipe, which are close to the air supply pipe. The utility model discloses an among the blast pipe, the air current that gets into through circulation wind pipe one and the air current intermixture that gets into through circulation wind pipe two, the air current that forms the temperature relative equilibrium has the air intake to get into the stoving incasement once more, forms the closed circulation, dries the material, and heat utilization rate is high, and is energy-concerving and environment-protective.

Description

Closed circulation dehumidification mesh belt dryer
Technical Field
The utility model relates to a drying equipment technical field especially relates to closed circulation dehumidification guipure drying-machine.
Background
Drying equipment is needed to be used for drying treatment in the fields of agricultural products, traditional Chinese medicine treatment, food processing, industrial product drying and the like. At present, most of large-scale industrial material drying lines still adopt a mode of boiler heat supply, no matter a gas boiler or a coal-fired boiler, the energy utilization rate is not high, and the boiler discharges fume and causes environmental pollution.
The existing mesh belt type dryer is widely applied to drying of agricultural products, medicinal materials, food and the like, has the advantages of energy conservation, environmental protection, quick drying and the like, and is accepted by the public. However, the traditional mesh belt type dryer heats the sucked outside air to form hot air to dry the materials, and the high-temperature and high-humidity air flow after drying the materials is often directly discharged, so that the heat can not be recycled, and a large amount of heat loss is caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a closed circulation dehumidification mesh belt dryer, the high-temperature and high-humidity air flow on the upper part of a drying box enters a dehumidification heating unit through a first circulating air pipe at the top, the high-temperature and high-humidity air flow is heated up and heated again after moisture in the air flow is removed in the dehumidification heating unit, finally, the high-temperature and low-humidity air flow is sucked into an air supply pipe through an exhaust fan at the outlet end of a first circulating air pipe, and the low-humidity air at the bottom is sucked into the air supply pipe through an exhaust fan at the outlet end of a second circulating air pipe at the bottom; in the air supply pipe, the air flow entering through the first circulating air pipe and the air flow entering through the second circulating air pipe are mixed with each other to form air flow with relatively balanced temperature, and the air flow enters the drying box through the air inlet again to form closed circulation to dry materials.
In order to realize the purpose, the utility model discloses a technical scheme is:
the closed type circulating dehumidification mesh belt dryer comprises a drying box, wherein a first circulating air pipe is arranged at the top of the drying box, and a dehumidification heating unit is arranged on the first circulating air pipe; the side surface of the drying box is provided with an air supply pipe, the air supply pipe is arranged along the length direction of the side wall of the drying box, and a plurality of air inlets which are communicated with the air supply pipe and the drying box are arranged at the position of the side wall of the drying box, which corresponds to the air supply pipe; a second circulating air pipe is arranged at the bottom of the drying box, extends from the bottom of the drying box to the air supply pipe and is communicated with the air supply pipe; and one ends of the first circulating air pipe and the second circulating air pipe, which are close to the air supply pipe, are respectively provided with an exhaust fan with the air direction facing the inner cavity of the air supply pipe.
Furthermore, the number of the air supply pipes is two, the air supply pipes are respectively arranged on the outer walls of the two side surfaces of the drying box, and the number of the dehumidifying and heating units is multiple, and the dehumidifying and heating units are respectively communicated with the tops of the air supply pipes on the two sides at intervals or symmetrically through the first circulating air pipe; and a connecting port of a second circulating air pipe is arranged right below the position of the air supply pipe connected with each circulating pipe.
Furthermore, spoilers are arranged at the positions of the first circular duct and the second circular duct in the inner cavity of the air supply pipe, the two spoilers arranged at the positions of the first circular duct and the second circular duct form a splayed structure, the edge of a large opening of the splayed structure of each spoiler is fixed on the inner wall of the air supply pipe close to the side wall of the drying box, and the edge of a small opening of the splayed structure is positioned close to the central axis of the air supply pipe.
Furthermore, a plurality of layers of transmission mesh belts are arranged in the drying box in a staggered mode, the material running directions of two adjacent layers of transmission mesh belts are opposite, the material starts to be conveyed on the transmission mesh belt on the uppermost layer, and falls onto the transmission mesh belt on the next adjacent layer to be conveyed continuously after reaching the tail end; the drying box is provided with a feeding hole at the feeding end of the topmost conveying mesh belt; the tail end of the transmission mesh belt at the bottommost layer is provided with a discharge hole.
Furthermore, the dehumidification heating unit comprises a condensation dehumidification mechanism and a heating mechanism, and the air inlet end of the heating mechanism is communicated with the air outlet end of the condensation dehumidification mechanism.
Furthermore, the dehumidifying and heating unit is a heat pump, the hot end of the heat pump is a heating mechanism, and the cold end of the heat pump is a condensing and dehumidifying mechanism.
Compared with the prior art, the utility model has the advantages of: the utility model discloses the high temperature and high humidity air current in middle drying case upper portion gets into dehumidification heating unit through the circulation air duct one at top, heats up the heating once more after getting rid of the moisture in the air current in dehumidification heating unit, at last the low humid air current of high temperature is sucked in the air supply pipe by the air exhauster of circulation air duct one exit end, the low humid air of bottom is sucked in the air supply pipe through the air exhauster of circulation air duct two exit ends of bottom; in the air supply pipe, the air flow entering through the first circulating air pipe and the air flow entering through the second circulating air pipe are mixed with each other to form air flow with relatively balanced temperature, and the air flow enters the drying box through the air inlet again to form closed circulation to dry materials.
Drawings
FIG. 1 is a schematic view of a closed-cycle dehumidifying mesh belt dryer and an airflow direction in the embodiment;
FIG. 2 is a schematic view of the internal structure of a closed-cycle dehumidification mesh-belt dryer in the embodiment;
FIG. 3 is a schematic structural diagram of a plurality of dehumidifying and heating units arranged symmetrically and communicated with two side air supply pipes through a first circulating air pipe in the embodiment;
FIG. 4 is a schematic structural diagram illustrating a plurality of dehumidifying and heating units in the embodiment that are communicated with two side air supply pipes at intervals through a first circulation air pipe;
wherein: 1. a drying box; 2. a first circulating air pipe; 3. a dehumidifying and heating unit; 4. an air supply pipe; 5. an air inlet; 6. a second circulating air pipe; 7. an exhaust fan; 8. a spoiler; 9. a transmission mesh belt; 10. a feed inlet; 11. a discharge port; 12. a condensing and dehumidifying mechanism; 13. and a heating mechanism.
Detailed Description
The present invention will be further explained below.
Example (b):
as shown in fig. 1-4, the closed type circulation dehumidification mesh belt dryer comprises a drying box 1, wherein a first circulation air pipe 2 is arranged at the top of the drying box 1, and a dehumidification heating unit 3 is arranged on the first circulation air pipe 2; the side surface of the drying box 1 is provided with an air supply pipe 4, the air supply pipe 4 is arranged along the length direction of the side wall of the drying box 1, and a plurality of air inlets 5 for communicating the air supply pipe 4 with the drying box 1 are arranged at the positions of the side wall of the drying box 1 corresponding to the air supply pipe 4; a second circulating air pipe 6 is installed at the bottom of the drying box 1, and the second circulating air pipe 6 extends from the bottom of the drying box 1 to the air supply pipe 4 and is communicated with the air supply pipe 4; one ends of the first circulating air pipe 2 and the second circulating air pipe 6, which are close to the air supply pipe 4, are provided with exhaust fans 7, and the wind directions of the exhaust fans face the inner cavity of the air supply pipe 4.
In the embodiment, in the process that the materials to be dried stay in the drying box 1, the moisture in the materials is gradually evaporated into the drying box 1, high-temperature and high-humidity air flow is formed at the upper part of the inner cavity of the drying box 1, and the air flow humidity at the bottom of the inner cavity of the drying box 1 is relatively low; the high-temperature and high-humidity air flow at the upper part enters the dehumidifying and heating unit 3 through the first circulating air pipe 2 at the top, the temperature is raised and the air is heated again after the moisture in the air flow is removed in the dehumidifying and heating unit 3, finally, the high-temperature and low-humidity air flow is sucked into the air supply pipe 4 through the exhaust fan 7 at the outlet end of the first circulating air pipe 2, and the low-humidity air at the bottom is sucked into the air supply pipe 4 through the exhaust fan 7 at the outlet end of the second circulating air pipe 6 at the bottom; in the blast pipe 4, the air current that gets into through circulation air pipe one 2 and the air current that gets into through circulation air pipe two 6 intermix, and the air current that forms the temperature relative equilibrium has air intake 5 to get into stoving case 1 once more, forms closed circulation, dries the material, and heat utilization rate is high, and is energy-concerving and environment-protective.
In the embodiment, the number of the blast pipes 4 is two, the blast pipes are respectively arranged on the outer walls of two side surfaces of the drying box 1, the number of the dehumidifying and heating units 3 is multiple, and the dehumidifying and heating units are respectively communicated with the tops of the blast pipes 4 on two sides at intervals or symmetrically through the circulating air pipes I2; and a connecting port of a second circulating air pipe 6 is arranged right below the position where the air supply pipe 4 is connected with each circulating pipe. Fig. 3 is a schematic structural diagram of the dehumidifying and heating unit 3 symmetrically arranged and communicated with the two side blast pipes 4 through the circulating air pipe one 2; fig. 4 is a schematic structural diagram of a plurality of dehumidifying and heating units 3 which are communicated with two side blast pipes 4 at intervals through a circulation air pipe 2. The above connecting modes can realize closed circulation air supply and drying of the materials.
The air outlet positions of the first circular duct and the second circular duct 6 in the inner cavity of the air supply pipe 4 are respectively provided with a spoiler 8, the corresponding first circular duct 2 and the two spoilers 8 arranged at the air outlet positions of the second circular duct 6 form an inverted V-shaped structure, the edge of a large opening of the inverted V-shaped structure of each spoiler 8 is fixed on the inner wall of the air supply pipe 4 close to the side wall of the drying box 1, and the edge of a small opening of the inverted V-shaped structure is located close to the central axis of the air supply pipe 4. In this embodiment, the spoiler 8 is arranged such that the air discharged into the air supply pipe 4 from the first circulation air pipe 2 and the second circulation air pipe 6 is fully mixed outside the splayed structural region in the air supply pipe 4 after being disturbed by the spoiler 8, thereby ensuring that the air temperature is uniformly mixed and then enters the drying box 1 through the air inlet 5.
In the embodiment, a plurality of layers of transmission mesh belts 9 are arranged in the drying box 1, the plurality of layers of transmission mesh belts 9 are arranged in a staggered manner, the material running directions of two adjacent layers of transmission mesh belts 9 are opposite, the material starts to be conveyed on the transmission mesh belt 9 at the uppermost layer, and falls onto the transmission mesh belt 9 at the next layer to be conveyed continuously after reaching the tail end; a feed inlet 10 is formed in the drying box 1 at the feed end of the topmost transmission mesh belt 9; the tail end of the transmission mesh belt 9 at the bottommost layer is provided with a discharge hole 11. Form multilayer guipure formula transport structure, when satisfying the material stoving demand, can reduce the length of stoving case 1.
The dehumidifying and heating unit 3 comprises a condensing and dehumidifying mechanism 12 and a heating mechanism 13, and the air inlet end of the heating mechanism 13 is communicated with the air outlet end of the condensing and dehumidifying mechanism 12. The heating mechanism 13 may be a device capable of generating heat, and the condensing and dehumidifying mechanism 12 may be a device capable of cooling and dehumidifying. The condensation dehumidifying mechanism 12 in this embodiment comprises a condensation box, a refrigerating mechanism is arranged in the condensation box, and a drain pipe is arranged at the bottom of the condensation box; after the high-temperature and high-humidity air flow enters the condensation and dehumidification mechanism 12, the moisture in the air flow and the refrigeration mechanism generate heat exchange and are condensed into water drops, the collected water drops fall into the bottom of the condensation box, the water drops are collected into water flow after a long time, and finally the water flow is discharged out of the condensation box through the drain pipe, so that the dehumidification purpose is achieved. The low-temperature and low-humidity dehumidified air flows through the heating mechanism 13, is heated, and then enters the blast pipe 4. The condensation dehumidification unit 12 and the heating unit 13 in the dehumidification and heating unit 3 may be separate units or may be an integrated heat pump. The dehumidifying and heating unit 3 in this embodiment is preferably a heat pump, the hot end of the heat pump is a heating mechanism 13, and the cold end of the heat pump is a condensing and dehumidifying mechanism 12, so that efficient utilization of energy can be realized.
The principle and the implementation of the present invention are explained herein by using specific examples, and the above description of the embodiments is only used to help understand the method and the core idea of the present invention; while the invention has been described in terms of specific embodiments and applications, it will be apparent to those skilled in the art that numerous variations and modifications can be made without departing from the spirit and scope of the invention as defined in the appended claims.

Claims (6)

1. Closed circulation dehumidification guipure drying-machine, its characterized in that: the drying device comprises a drying box (1), wherein a first circulating air pipe (2) is arranged at the top of the drying box (1), and a dehumidifying and heating unit (3) is arranged on the first circulating air pipe (2); an air supply pipe (4) is arranged on the side surface of the drying box (1), the air supply pipe (4) is arranged along the length direction of the side wall of the drying box (1), and a plurality of air inlets (5) for communicating the air supply pipe (4) with the drying box (1) are arranged at positions on the side wall of the drying box (1) corresponding to the air supply pipe (4); a second circulating air pipe (6) is installed at the bottom of the drying box (1), and the second circulating air pipe (6) extends from the bottom of the drying box (1) to the air supply pipe (4) and is communicated with the air supply pipe (4); and one ends of the first circulating air pipe (2) and the second circulating air pipe (6) close to the air supply pipe (4) are respectively provided with an exhaust fan (7) with the air direction facing the inner cavity of the air supply pipe (4).
2. The closed-cycle dehumidification mesh-belt dryer of claim 1, wherein: the number of the air supply pipes (4) is two, the air supply pipes are respectively arranged on the outer walls of two side surfaces of the drying box (1), the number of the dehumidifying and heating units (3) is multiple, and the dehumidifying and heating units are respectively communicated with the tops of the air supply pipes (4) at two sides at intervals or symmetrically through a first circulating air pipe (2); and a connector of a second circulating air pipe (6) is arranged under the position where the air supply pipe (4) is connected with each first circulating air pipe (2).
3. The closed-cycle dehumidification mesh-belt dryer of claim 2, wherein: spoilers (8) are arranged in the inner cavity of the air supply pipe (4) at the positions of the first circular pipeline and the second circular air pipe (6), the corresponding first circular air pipe (2) and the two spoilers (8) arranged at the positions of the air outlets of the second circular air pipe (6) form a splayed structure, the edge of a large opening of the splayed structure of the spoilers (8) is fixed on the inner wall of the air supply pipe (4) close to the side wall of the drying box (1), and the edge of a small opening of the splayed structure is positioned close to the central axis of the air supply pipe (4).
4. The closed-cycle dehumidification mesh-belt dryer according to any one of claims 1 to 3, wherein: a plurality of layers of transmission mesh belts (9) are arranged in the drying box (1), the plurality of layers of transmission mesh belts (9) are arranged in a staggered manner, the material running directions of two adjacent layers of transmission mesh belts (9) are opposite, the material starts to be conveyed on the transmission mesh belt (9) at the uppermost layer, and falls onto the transmission mesh belt (9) at the next layer to be conveyed continuously after reaching the tail end; a feed inlet (10) is formed in the drying box (1) at the feed end of the topmost conveying mesh belt (9); the tail end of the transmission mesh belt (9) at the bottommost layer is provided with a discharge hole (11).
5. The closed-cycle dehumidification mesh-belt dryer of claim 4, wherein: the dehumidifying and heating unit (3) comprises a condensing and dehumidifying mechanism (12) and a heating mechanism (13), and the air inlet end of the heating mechanism (13) is communicated with the air outlet end of the condensing and dehumidifying mechanism (12).
6. The closed-cycle dehumidification mesh-belt dryer of claim 5, wherein: the dehumidifying and heating unit (3) is a heat pump, the hot end of the heat pump is a heating mechanism (13), and the cold end of the heat pump is a condensing and dehumidifying mechanism (12).
CN202220495268.7U 2022-03-09 2022-03-09 Closed circulation dehumidification mesh belt dryer Active CN217465290U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220495268.7U CN217465290U (en) 2022-03-09 2022-03-09 Closed circulation dehumidification mesh belt dryer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220495268.7U CN217465290U (en) 2022-03-09 2022-03-09 Closed circulation dehumidification mesh belt dryer

Publications (1)

Publication Number Publication Date
CN217465290U true CN217465290U (en) 2022-09-20

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Application Number Title Priority Date Filing Date
CN202220495268.7U Active CN217465290U (en) 2022-03-09 2022-03-09 Closed circulation dehumidification mesh belt dryer

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Effective date of registration: 20240423

Address after: No. 38-9, Group 6, Tiangong Community, Jiajia Street, East New Area, Chengdu City, Sichuan Province, 610600 (belonging to Jiajia Small and Medium sized Enterprise Park)

Patentee after: Sichuan Yunfen Technology Development Co.,Ltd.

Country or region after: China

Address before: Group 5, Jianyang community, Chengdu, Sichuan

Patentee before: Sichuan Dihong Technology Co.,Ltd.

Country or region before: China