CN207811538U - A kind of sludge drying system - Google Patents

A kind of sludge drying system Download PDF

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Publication number
CN207811538U
CN207811538U CN201721819705.1U CN201721819705U CN207811538U CN 207811538 U CN207811538 U CN 207811538U CN 201721819705 U CN201721819705 U CN 201721819705U CN 207811538 U CN207811538 U CN 207811538U
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China
Prior art keywords
condenser
sludge drying
gas
evaporator
air duct
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CN201721819705.1U
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Chinese (zh)
Inventor
吴金城
吴健旋
吴汉城
蓝日远
吴岸威
黄贤辉
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GUANGZHOU KAINENG ELECTRIC EQUIPMENT Co Ltd
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GUANGZHOU KAINENG ELECTRIC EQUIPMENT Co Ltd
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Abstract

The utility model discloses a kind of sludge drying systems comprising the first drying unit, the second drying unit and sludge drying chamber;First drying unit includes the first evaporator for being sequentially connected in series into circuit, the first separator, the first compressor, the first condenser and the first expansion valve;Second drying unit includes the second evaporator for being sequentially connected in series into circuit, the second separator, the second compressor, the second condenser and the second expansion valve;Sludge drying system is equipped with circulation air path, ducting system includes that the gas that the first condenser is discharged is delivered to the first air duct of sludge drying chamber, is delivered to the second air duct of the first evaporator and the gas that the second condenser is discharged is delivered to the third air duct of the first condenser the gas in sludge drying room after drying.A kind of sludge drying system of the utility model improves the drying effect to sludge.

Description

A kind of sludge drying system
Technical field
The utility model is related to a kind of sludge drying systems.
Background technology
Currently, existing sludge drying device is generally only with individual drying system, it is a large amount of due to containing in sludge Moisture content, therefore according to the effect unobvious that individual drying system is heated due to condenser, the hot wind generated is caused to dry Effect is not apparent enough when sludge;Its evaporator refrigeration effect unobvious, poor to the cooling-down effect of hot wind, moisture condensation is few, causes Effect on moisture extraction unobvious.
Utility model content
The purpose of this utility model is to provide a kind of sludge drying system, improves the drying effect to sludge.
To achieve the above object, a kind of sludge drying system provided by the utility model comprising the first drying unit, Second drying unit and sludge drying chamber;First drying unit includes the first evaporator for being sequentially connected in series into circuit, One separator, the first compressor, the first condenser and the first expansion valve for absorbing the gas that first evaporator is discharged;Institute The second drying unit is stated to include the second evaporator for being sequentially connected in series into circuit, the second separator, the second compressor, absorb described the The second condenser and the second expansion valve of the gas of two evaporators discharge;The sludge drying system is equipped with circulation air path, institute It includes that the gas that first condenser is discharged is delivered to the first air duct of the sludge drying chamber to state ducting system, will be described Gas in sludge drying room after drying is delivered to the second air duct of first evaporator and arranges second condenser The gas gone out is delivered to the third air duct of first condenser.
In above-mentioned sludge drying system, the third air duct is equipped with heat exchanger, and the heat exchanger is set to described Between first evaporator and sludge drying chamber.
In above-mentioned sludge drying system, the circulation air path further includes being delivered to the gas that second evaporator exports 4th air duct of the heat exchanger and the gas that the 4th air duct is discharged through the heat exchanger is delivered to institute State the five-duct of the second condenser.
In above-mentioned sludge drying system, water cooling condensation is in series between first condenser and first expansion valve Device.
In above-mentioned sludge drying system, auxiliary condensation is in series between first condenser and the water-cooled condenser Device.
In above-mentioned sludge drying system, the coolant-temperature gage that enters of the water-cooled condenser water inlet is 30 ° -40 °.
In above-mentioned sludge drying system, the circulation air path is provided with wind turbine.
A kind of sludge drying system that above-mentioned technical proposal is provided, compared with prior art, advantage includes:It is logical Cross setting third air duct, the first drying unit made to be combined drying unit in pairs with the second drying unit, by the first evaporator with The effect of second evaporator, while cool-down dehumidification processing is carried out to wet air, and pass through third air duct by the second condenser Air delivery that treated is to the first condenser, and the first condenser is while the air of processing discharge the first evaporator dehumidifying The gas of the second condenser processing is discharged, improves the efficiency and intensity of condenser discharge dry gas, enhances the baking to sludge Dry effect;And by the first air duct and the second air duct, wind cycle is formed in sludge drying system, it is dry in sludge drying room Gas after sludge continues on to the first evaporator, carries out dehumidification treatments, realizes secondary waste gas recovery.
Description of the drawings
Fig. 1 is the structural schematic diagram of the sludge drying system of the utility model;
Wherein, the first evaporators of 1-, the first separators of 2-, the first compressors of 3-, the first condensers of 4-, 5- first expand Valve, the second evaporators of 11-, the second separators of 21-, the second compressors of 31-, the second condensers of 41-, the second expansion valves of 51-, 6- are dirty Mud desiccation room, the first air ducts 71-, the second air ducts 72-, 73- thirds air duct, the 4th air ducts 74-, 75- five-ducts, 8- heats are handed over Parallel operation, 9- water-cooled condensers, 10- auxiliary condensers.
Specific implementation mode
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below Embodiment is not intended to limit the scope of the present invention for illustrating the utility model.
Please refer to attached drawing 1, a kind of sludge drying system provided by the utility model comprising the first drying unit, Two drying units and sludge drying chamber 6;First drying unit includes the first evaporator 1 for being sequentially connected in series into circuit, One separator 2, the first compressor 3, the first condenser 4 and first expansion for absorbing the gas that first evaporator 1 is discharged Valve 5;Second drying unit includes the second evaporator 11, the second separator 21, the second compressor for being sequentially connected in series into circuit 31, the second condenser 41 and the second expansion valve 51 of the gas that second evaporator 11 is discharged are absorbed;The sludge drying System is equipped with circulation air path, and the ducting system includes that the gas that first condenser 4 is discharged is delivered to the sludge to do Change the first air duct 71 of room 6, the gas in the sludge drying chamber 6 after drying is delivered to the second of first evaporator 1 Air duct 72 and the third air duct 73 that the gas that second condenser 41 is discharged is delivered to first condenser 4.
Make first drying unit and described second by the way that the third air duct 73 is arranged based on above-mentioned technical characteristic Drying unit combines drying unit in pairs, by the effect of first evaporator 1 and second evaporator 11, while to tide Wet air carries out cool-down dehumidification processing, and by second condenser 41, treated that air is defeated by the third air duct 73 It send to first condenser 4, the first condenser 4 is also arranged while the air of the dehumidifying of the first evaporator 1 is discharged in processing Go out the gas that second condenser 41 is handled, improves the efficiency and intensity of condenser discharge dry gas, enhance to sludge Drying effect;And by first air duct 71 and second air duct 72, formation wind follows in the sludge drying system Ring, the gas in the sludge drying chamber 6 after dry sludge continue on to first evaporator 1, carry out dehumidification treatments, Realize secondary waste gas recovery.
The third air duct 73 is equipped with heat exchanger 8, and the heat exchanger 8 is set to first evaporator 1 and dirt Between mud desiccation room 6, by the way that the heat exchanger 8 is arranged, reduces and be delivered to first evaporation in the sludge drying chamber 6 The temperature of the air of device 1 improves the cool-down dehumidification effect of first evaporator 1.
The circulation air path further includes that the gas that second evaporator 11 exports is delivered to the heat exchanger 8 4th air duct 74 and the gas that the 4th air duct 74 is discharged through the heat exchanger 8 is delivered to second condenser 41 five-duct 75 makes the gas of the dehumidifying of second evaporator 11 be handed over through the heat by the 4th air duct 74 After the heat exchange of parallel operation, improve the temperature for the air that second evaporator 11 is handled, and through the five-duct 75 with it is described Second condenser 41 acts on, and shortens the drying time of second condenser 41 by improving air themperature, reduces energy consumption.
It is in series with water-cooled condenser 9 between first condenser 4 and first expansion valve 5, it is cold by the water cooling Condenser 9 makes the high-pressure refrigerant inside the sludge drying system release heat because of condensation, keeps the temperature of refrigerant.
It is in series with auxiliary condenser 10 between first condenser 4 and the water-cooled condenser 9, it is cold by the auxiliary Processing is dried to remaining saturated gas in condenser 10.
The coolant-temperature gage that enters of 9 water inlet of the water-cooled condenser is 30 ° -40 °, and the preferred temperature is 35 °, preferably real The heat release of existing refrigerant.
The circulation air path is provided with wind turbine, and transportation function of the circulation air path to gas is realized by the extension set.
Above are merely preferred embodiments of the utility model, it is noted that for the ordinary skill people of the art Member for, without deviating from the technical principle of the utility model, several improvement and replacement can also be made, these improve and Replacement also should be regarded as the scope of protection of the utility model.

Claims (7)

1. a kind of sludge drying system, which is characterized in that it includes the first drying unit, the second drying unit and sludge drying Room;First drying unit includes the first evaporator for being sequentially connected in series into circuit, the first separator, the first compressor, absorbs The first condenser and the first expansion valve of the gas of the first evaporator discharge;Second drying unit includes going here and there successively Be unified into second evaporator in circuit, the second separator, the second compressor, absorb the second evaporator discharge gas second Condenser and the second expansion valve;
The sludge drying system is equipped with circulation air path, and the ducting system includes that gas that first condenser is discharged is defeated It send to the first air duct of the sludge drying chamber, the gas in the sludge drying room after drying is delivered to first evaporation Second air duct of device and the third air duct that the gas that second condenser is discharged is delivered to first condenser.
2. sludge drying system as described in claim 1, which is characterized in that the third air duct is equipped with heat exchanger, institute Heat exchanger is stated to be set between first evaporator and sludge drying chamber.
3. sludge drying system as claimed in claim 2, which is characterized in that the circulation air path further includes being steamed described second The gas of hair device output is delivered to the 4th air duct of the heat exchanger and by the 4th air duct through the heat exchange The gas of device discharge is delivered to the five-duct of second condenser.
4. sludge drying system as described in any one of claims 1-3, which is characterized in that first condenser and described the It is in series with water-cooled condenser between one expansion valve.
5. sludge drying system as claimed in claim 4, which is characterized in that first condenser and the water-cooled condenser Between be in series with auxiliary condenser.
6. sludge drying system as claimed in claim 4, which is characterized in that the water-cooled condenser water inlet enters coolant-temperature gage It is 30 ° -40 °.
7. sludge drying system as described in claim 1, which is characterized in that the circulation air path is provided with wind turbine.
CN201721819705.1U 2017-12-20 2017-12-20 A kind of sludge drying system Active CN207811538U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721819705.1U CN207811538U (en) 2017-12-20 2017-12-20 A kind of sludge drying system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721819705.1U CN207811538U (en) 2017-12-20 2017-12-20 A kind of sludge drying system

Publications (1)

Publication Number Publication Date
CN207811538U true CN207811538U (en) 2018-09-04

Family

ID=63330081

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721819705.1U Active CN207811538U (en) 2017-12-20 2017-12-20 A kind of sludge drying system

Country Status (1)

Country Link
CN (1) CN207811538U (en)

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