CN104792144A - Closed-loop double-effect drying device - Google Patents

Closed-loop double-effect drying device Download PDF

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Publication number
CN104792144A
CN104792144A CN201510184852.5A CN201510184852A CN104792144A CN 104792144 A CN104792144 A CN 104792144A CN 201510184852 A CN201510184852 A CN 201510184852A CN 104792144 A CN104792144 A CN 104792144A
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CN
China
Prior art keywords
drying chamber
airduct
cold
pipeline
hot
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201510184852.5A
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Chinese (zh)
Inventor
幸思强
徐康明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Meizhou City Glan Irrigates Electronics Co Ltd
Original Assignee
Meizhou City Glan Irrigates Electronics Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Meizhou City Glan Irrigates Electronics Co Ltd filed Critical Meizhou City Glan Irrigates Electronics Co Ltd
Priority to CN201510184852.5A priority Critical patent/CN104792144A/en
Publication of CN104792144A publication Critical patent/CN104792144A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a closed-loop double-effect drying device. The closed-loop double-effect drying device comprises a sealed hot drying chamber and a cold drying chamber, and a workpiece conveying production line sequentially penetrates through the hot drying chamber and the cold drying chamber, wherein an air pipe is arranged in the hot drying chamber, an air pipe is arranged in the cold drying chamber, a condenser of refrigerating cycle is arranged in the corresponding air pipe, and an evaporator of the refrigerating cycle is arranged in the corresponding air pipe; one end of a pipe is connected with an air inlet of the corresponding air pipe, the other end of the pipe is connected with the cold drying chamber, one end of another pipe is connected with an air inlet of the corresponding air pipe, and the other end of the pipe is connected with the hot drying chamber; draught fans are arranged on the pipes respectively, the air pipes are connected with air outlets blowing air to the positions above the workpiece conveying production line. By means of cold and hot air flow circulation between the sealed hot drying chamber and the sealed cold drying chamber, a circuit board can be effectively dried through the closed-loop double-effect drying device, manual operation is not needed, the circuit board can enter a next working procedure directly, and the production efficiency of the production line is improved; in addition, through the refrigerating cycle between the condenser and the evaporator, the energy consumption is effectively reduced, and the good energy-saving effect is achieved.

Description

Closed circuit economic benefits and social benefits drying unit
Technical field
The present invention relates to drying unit, more particularly, relate to a kind of closed circuit economic benefits and social benefits drying unit for Plate grinder.
Background technology
In the process of printed substrate, nog plate is indispensable flow process.Nog plate is exactly the oxide, greasy dirt, impurity etc. that adopt mechanical abrasive material polish-brush removing PCB surface under the flushing of water, and then employing water-absorbing sponge draws the moisture in PCB surface and hole; But in actual mechanical process, the situation often having moisture not do in PCB surface and hole, usually also will arrange drying section and carry out oven dry operation to wiring board, to guarantee that the performance of product is not affected in Plate grinder.
The drying unit of tradition drying section adopts heating pipe structure, though heat-generating pipe can reach rapidly the object of drying wiring board, the power consumed is comparatively large, does not meet energy-conservation index; And after oven dry operation, the temperature of wiring board reaches eight or nine ten degree, the too high inapplicable automatic plate collecting machine of wiring board temperature, need workman's one piece of block to separate and insert after grillage lowers the temperature, just can be delivered to next operation; Owing to being that production line makes, workload is large, causes that the labour intensity of workman is large, cooling effectiveness is low, and by manually-operated restriction, the situation of mistakes and omissions easily occurs, and causes the loss that some are unnecessary.Therefore, how to solve the problem, become problem demanding prompt solution.
Summary of the invention
The object of the present invention is to provide a kind of energy-conservation and closed circuit economic benefits and social benefits drying unit that production efficiency is high.
For realizing above-mentioned object, technical scheme of the present invention is: a kind of closed circuit economic benefits and social benefits drying unit, comprise the hot drying chamber of sealing and cold drying chamber, workpiece conveying production line is successively through hot drying chamber and cold drying chamber, wherein be provided with airduct in hot drying chamber, airduct is provided with in cold drying chamber, the condenser of kind of refrigeration cycle is arranged in airduct, the evaporimeter of kind of refrigeration cycle is arranged in airduct, one end of one pipeline connects the air inlet of airduct, the other end is connected with cold drying chamber, one end of another pipeline connects the air inlet of airduct, its other end is connected with hot drying chamber, pipeline and pipeline are respectively equipped with blower fan, airduct and airduct are connected to the air outlet blowed to above workpiece conveying production line.
Above-mentioned closed circuit economic benefits and social benefits drying unit, is provided with interchanger between pipeline and pipeline.
Above-mentioned closed circuit economic benefits and social benefits drying unit, is provided with two pipelines be mutually wound around and is connected with pipeline, blower fan and pipeline, blower fan respectively in described interchanger; Hot drying chamber and cold drying chamber separate by interchanger, guarantee to have better drying efficiency.
Above-mentioned closed circuit economic benefits and social benefits drying unit, described air outlet is multiple gas outlets that equidistant arrangement is arranged.
The present invention adopts above-mentioned structure, the airduct being provided with condenser and the airduct being provided with evaporimeter are connected to the air outlet blowed to above workpiece conveying production line, cold dry order can be done from heat to dry the workpiece workpiece conveying production line, do not need workman manually to separate and insert grillage to carry out wiring board cooling, can directly be delivered to next operation, avoid the generation of mistakes and omissions situation, improve the production efficiency of production line; And condenser and evaporimeter can form kind of refrigeration cycle, effectively utilize the energy produced, realize energy-conservation effect; By a pipeline, the airduct air inlet connecting condenser is connected with the blower fan of cold drying chamber, by another pipeline, the airduct air inlet connecting evaporimeter is connected with the blower fan of hot drying chamber, air is constantly circulated between the hot drying chamber and the cold drying chamber of sealing of sealing, in cyclic process, indoor moisture is constantly excluded, make indoor relative humidity lower, create the environment providing and be conducive to drying operation.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present invention.
In figure: 1 is hot drying chamber, 11 is the airduct of hot drying chamber, 11a is the air inlet of hot drying chamber airduct, 11b is the air outlet of hot drying chamber airduct, 12 is the pipeline of hot drying chamber, 13 is the blower fan of hot drying chamber, 2 is cold drying chamber, 21 is the airduct of cold drying chamber, 21a is the air inlet of cold drying chamber airduct, 21b is the air outlet of cold drying chamber airduct, 22 is the airduct of cold drying chamber, 23 is the blower fan of cold drying chamber, 3 is workpiece conveying production line, 4 is condenser, 5 is evaporimeter, 6 is interchanger, 61, 62 is the pipeline in interchanger, A is compressor, B is expansion valve.
Detailed description of the invention
As shown in Figure 1, a kind of closed circuit economic benefits and social benefits drying unit, comprise hot drying chamber 1 and the cold drying chamber 2 of sealing, workpiece conveying production line 3 is successively through hot drying chamber 1 and cold drying chamber 2, wherein be provided with airduct 11 in hot drying chamber 1, airduct 21 is provided with in cold drying chamber 2, the condenser 4 of kind of refrigeration cycle is arranged in airduct 11, the evaporimeter 5 of kind of refrigeration cycle is arranged in airduct 21, one end of one pipeline 12 connects the air inlet 11a of airduct 11, the other end is connected with cold drying chamber 2, one end of another pipeline 22 connects the air inlet 21a of airduct 21, its other end is connected with hot drying chamber 1, pipeline 12 and pipeline 22 are respectively equipped with blower fan 13, 23, airduct 11 and airduct 21 are connected to the air outlet 11b blowed to above workpiece conveying production line 3, 21b, air outlet 11b, 21b are multiple gas outlets that equidistant arrangement is arranged, interchanger 6 is provided with between pipeline 12 and pipeline 22, be provided with two pipelines 61,62 be mutually wound around in interchanger 6 to be connected with pipeline 12, blower fan 13 and pipeline 22, blower fan 23 respectively.
In the specific implementation, when air flows through evaporimeter 5, the heat of internal low-voltage refrigerant suction air becomes gaseous state (air themperature reduction) from liquid state to kind of refrigeration cycle, and the low pressure refrigerant vapor carrying out flash-pot 5 is delivered in condenser 4 after being boosted by compressor A; When air flows through condenser 4, inner high-pressure refrigerant releases heat (air themperature rising) because of condensation, and the high-pressure refrigeration liquid flowed out from condenser 4 flows into the next circulation of continuation in evaporimeter 5 after expansion valve step-down.
Air circulation in the specific implementation, under the effect of blower fan 23, air is entered from the air inlet 11a of airduct 11 by the airduct 12 of hot drying chamber 1, make the temperature of air raise into thermal current through condenser 4, thermal current flows out from the air outlet 11b of airduct 11 and carries out oven dry operation to the workpiece workpiece conveying production line 3; Thermal current is after oven dry operation, under the effect of blower fan 13, enter the airduct 22 of cold drying chamber 2 from the air inlet 21a of airduct 21, make the temperature of air be lowered into cold airflow through evaporimeter 5, cold airflow flows out from the air outlet 21b of airduct 21 and carries out cool drying to the workpiece workpiece transport production line 3; Cold airflow, after oven dry operation, under blower fan 23 acts on, enters in the airduct 11 of hot drying chamber 1 from the air inlet 11a of airduct 11 again, continues the circulation of next hot and cold air.

Claims (4)

1. a closed circuit economic benefits and social benefits drying unit, comprise hot drying chamber (1) and the cold drying chamber (2) of sealing, workpiece conveying production line (3) is successively through hot drying chamber (1) and cold drying chamber (2), it is characterized in that: in hot drying chamber (1), be provided with airduct (11), airduct (21) is provided with in cold drying chamber (2), the condenser (4) of kind of refrigeration cycle is arranged in airduct (11), the evaporimeter (5) of kind of refrigeration cycle is arranged in airduct (21), one end of one pipeline (12) connects the air inlet (11a) of airduct (11), the other end is connected with cold drying chamber (2), one end of another pipeline (22) connects the air inlet (21a) of airduct (21), its other end is connected with hot drying chamber (1), pipeline (12) and pipeline (22) are respectively equipped with blower fan (13, 23), airduct (11) and airduct (21) are connected to the air outlet (11b blowing to workpiece conveying production line (3) top, 21b).
2. closed circuit economic benefits and social benefits drying unit according to claim 1, is characterized in that: be provided with interchanger (5) between pipeline (12) and pipeline (22).
3. closed circuit economic benefits and social benefits drying unit according to claim 2, is characterized in that: be provided with two pipelines (61,62) be mutually wound around in described interchanger (6) and be connected with pipeline (12), blower fan (13) and pipeline (22), blower fan (23) respectively.
4. closed circuit economic benefits and social benefits drying unit according to claim 1, is characterized in that: multiple gas outlets that described air outlet (11b, 21b) is arranged for equidistant arrangement.
CN201510184852.5A 2015-04-20 2015-04-20 Closed-loop double-effect drying device Pending CN104792144A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510184852.5A CN104792144A (en) 2015-04-20 2015-04-20 Closed-loop double-effect drying device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510184852.5A CN104792144A (en) 2015-04-20 2015-04-20 Closed-loop double-effect drying device

Publications (1)

Publication Number Publication Date
CN104792144A true CN104792144A (en) 2015-07-22

Family

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Country Status (1)

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CN (1) CN104792144A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108826799A (en) * 2018-07-24 2018-11-16 广州市热道节能科技有限公司 A kind of interactive heat pump drying and dehumidification system of heat source each other
CN113154831A (en) * 2021-05-25 2021-07-23 余文辉 Building materials PLASTIC LAMINATED production system based on it is energy-concerving and environment-protective

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1170253A1 (en) * 1984-05-03 1985-07-30 Kazakhsk Khim Tekh Inst Heat pump drying unit
SU1374018A1 (en) * 1986-03-20 1988-02-15 Сибирский научно-исследовательский институт механизации и электрификации сельского хозяйства Drying installation
CN2438073Y (en) * 2000-05-22 2001-07-04 周亢威 High-energy-saving dryer
CN102243010A (en) * 2010-05-12 2011-11-16 何润岚 Tower-shaped continuous drying equipment for heat pump

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1170253A1 (en) * 1984-05-03 1985-07-30 Kazakhsk Khim Tekh Inst Heat pump drying unit
SU1374018A1 (en) * 1986-03-20 1988-02-15 Сибирский научно-исследовательский институт механизации и электрификации сельского хозяйства Drying installation
CN2438073Y (en) * 2000-05-22 2001-07-04 周亢威 High-energy-saving dryer
CN102243010A (en) * 2010-05-12 2011-11-16 何润岚 Tower-shaped continuous drying equipment for heat pump

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108826799A (en) * 2018-07-24 2018-11-16 广州市热道节能科技有限公司 A kind of interactive heat pump drying and dehumidification system of heat source each other
CN113154831A (en) * 2021-05-25 2021-07-23 余文辉 Building materials PLASTIC LAMINATED production system based on it is energy-concerving and environment-protective

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EXSB Decision made by sipo to initiate substantive examination
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Application publication date: 20150722

RJ01 Rejection of invention patent application after publication