CN103339313A - Device to optimize the washing in dry cleaning machine - Google Patents

Abstract

The device consists of two heat exchangers (11, 14) bathed in paraffin wax (13) and placed in thermal insulated tank (8) to store up the heat generated to the refrigerator (2) and to heat the sole solvent used for the washing and with the feed back control circuit to keep the solvent temperature within temperature values set out in a thermostat (31).

Description

The device that is used for the washing process of optimization dry cleaner

Technical field

The present invention relates to a kind of device, it can make the solvent for dry cleaner remain on optimum temperature, thereby reaches the stain ability of better deoiling.

Background technology

In dry cleaner, the temperature of solvent plays important effect.In fact, at a certain temperature, the washability of solvent a little less than, and in temperature during greater than limit temperature, solvent washability to fabric in the dry-cleaning process is very strong.In the machine that uses flammable solvent, if the temperature of high-temperature solvent surpasses the ignition temperature of described solvent, bring danger then can for this machine.Known in prior art system, used the solvent that heats dry cleaner such as the hot water from refrigerator.But, because therefore all solvents in these system's heating machines can create the good environment that produces and breed bacterium.The propagation meeting of these bacteriums gives off an unpleasant smell in the different piece of machine, concentrates on especially in flux bath and the filter.In addition, prior art system only remains on solvent under the optimum temperature in the very short time.File US2005/0066538 has described another kind of known system.In described system, use uviol lamp or nitrogen gas generation device to come killing bacteria, but be to use these technology device can increase the cost of operating cost and manufacturing dry cleaner.But the temperature of solvent can change under different situations, and for example when the surrounding environment of machine operation changed, the temperature of solvent will change.In addition, solvent temperature also can change in one day.In fact, the temperature of solvent can be lower than median in the morning, thus just begin or in preceding several working cycles dry-cleaning effect poor.Other shortcoming of prior art system is that in fact the variations in temperature of solvent also can change the wettability of solvent, for example in cartridge filter, can increase the big possibility of concentration change of the water in the solvent, also produces the washing problem and causes bacterial reproduction.

Summary of the invention

Purport of the present invention provides a kind of device, and it can avoid the above-mentioned shortcoming that heats employed unique solvent in washing process.In this way, can limit operating cost, reduce energy resource consumption, and dry cleaner can be come into operation rapidly, up to first wash cycle, for example under every kind of service condition under optimum temperature heated solvent.Device of the present invention can be kept its temperature inside for a long time, namely keeps to reach 48 hours.Device of the present invention is particularly suitable for the situation as document EP 1722026 described atomization process, and the amount of employed solvent is starkly lower than the flushing machine in this case, therefore need not use extra high heat to come heated solvent in washing process.But device of the present invention also can be used for using in the dry cleaner of solvent washing fabric.Described device uses the water by the refrigerator heating of dry cleaner to heat the single solvent that is used for the washing the fibre goods in position in real time by heat exchange, and need not to heat all solvents that in machine, exist, can save the required energy of the employed solvent of heating by this pattern, and avoid in groove and filter, producing bacterium.In addition, in heat exchanging process, described device with the heat-insulating groove in outside in use the material with higher thermal inertia such as paraffin, and use two heat exchangers and the feedback control circuit that is immersed in described groove and the paraffin.By the worm pipe that forms at the hot-water line that enters refrigerator, the physical state of the employed paraffin that contacts with heat insulation groove inside can be from solid-state liquefy.In this way, will be stored in the described groove from the heat of the hot water in the refrigerator and can preserve 2 days.Be formed in second worm pipe on the described pipe solvent is housed, second worm pipe also is located in the described heat insulation groove and is immersed in the described paraffin, is used for making employed solvent generation heat exchange.Feedback control circuit with thermoregulator and electronic valve makes temperature heat insulation groove in remain on the value that clearly limit in a period of time at interval according to the stain ability of deoiling of solvent.Therefore, in order to save operating cost, device of the present invention does not adopt other thermal source and the thermal source outside described device (such as resistor or similar device) to be kept for the temperature of the solvent of washing process.

Description of drawings

To illustrate in greater detail other purpose and the advantage of device of the present invention below, but should explanation be as example, not limit the present invention.Please refer to the accompanying drawing in appended the 1st page, wherein:

Figure 1 shows that at preferred but employed assembly in the non-restrictive example.

The specific embodiment

Device for the washing process of optimizing dry cleaner of the present invention comprises for cooling stream to the inlet tube 1 of the water of refrigerator 2, for delivery of the outlet 3 from the hot water of refrigerator.Outlet 3 provides T junction 4 and is connected to the pipe 5 of the electronic valve 6 that is in opening usually.In the exit of electronic valve 6, in the pipe 7 guiding hot water inflow heat exchangers 11, heat exchanger 11 comprises such as volute copper pipe and fin.Heat exchanger 11 is located in the heat insulation groove 8, heat insulation groove 8 Qi Bi and covering have such as the heat-insulating material joy this

And so on insulating materials 9.In heat insulation groove 8, also there is second heat exchanger 14, it comprises such as volute copper pipe and fin.In the described heat exchanger 14 solvent that will heat is housed, solvent flows in the described groove 8 by pipe 15.Pipe 15 is connected with filter 16.Filter 16 receives solvent in the porch by pipe 17, and solvent is pushed to filter 16 and heat insulation groove 8 from groove by solvent pump 18 in pipe 17.Heat exchanger 11 is connected to pipe 10 in the exit, and is connected to the pipe 3 that is equipped with from the hot water of refrigerator and described device by T junction 12.T junction 4 is connected to pipe 19, and pipe 19 is connected to the electronic valve 20 that is in closed condition usually.In the exit of electronic valve 20, pipe 21 is connected to T junction 12 with described electronic valve.Hydraulic circuit is connected with the pipe 22 that is connected to heat exchanger 14 endways, and solvent flows out and arrival electronic valve 23 from heat insulation groove 8 in heat exchanger 14.By be located on the pipe 25 and be connected to electronic valve 23 outlet T junction 24(in another embodiment, by using suitable T junction 24A), electronic valve 23A can be connected with 23B, with other purposes of the solvent that be used for to heat.Pipe 26 is delivered to joint 27 with the solvent of heating from T junction 24, and spray nozzle 30 is connected to joint 27 by managing 28 and 29, and the solvent of heating is sprayed at the fabric washing container from spray nozzle 30.In another embodiment, for the dry cleaner of flushing fabric, the solvent of heating directly enters in the container by the pipe of container, namely need not pass through spray nozzle.Described device also comprises feedback control circuit at last, and it comprises that such as thermoregulator 31 probe of thermoregulator 31 is passed in the hole that covers of heat insulation groove 8 and enters in the paraffin 13.Thermoregulator 31 has the working value that can regulate according to the characteristic of solvent.Thermoregulator 31 is connected with 20 with electronic valve 6 by electric wire 32.Under running status, cooling water enters refrigerator 2 by managing 1.Hot water flows into T junction 4, inflow pipe 5 from managing 3 exit, flows through the electronic valve 6 that is in opening usually then, flows through pipe 7 and enters heat exchanger 11.The heat of the water in the worm pipe of heat exchanger 11 melts the paraffin 13 in the heat insulation groove 8.The heat of the water in the worm pipe of heat exchanger makes paraffin 13 liquefaction, the temperature that temperature raises and sets up to the characteristic that reaches according to solvent.Described temperature threshold is set according to the security of deoil stain ability and the machine of solvent.In heat insulation groove 8, heat exchanger is between hot water and solvent, and hot water and solvent are positioned at their corresponding heat exchangers 11 and 14.The heat insulation that is provided by the insulating materials 9 of groove 8 can make paraffin keep liquefaction in 2 days, and this makes solvent can be heated to setting value rapidly.When surpassing the temperature value of setting, the thermoregulator that is arranged on described temperature value can send electric pulse to electric wire 32, then be sent to the solenoid of electronic valve 6 and 20, thereby close the electronic valve 6 that is in opening usually and open the electronic valve 20 that is in closed condition usually.In this way, can not enter in the heat insulation groove 8 from the exit of refrigerator 2 and the hot water that flows through pipe 3, but hot water is from managing 3 other parts that are discharged into dry cleaner.The solvent streams of heating is crossed pipe 22,25,26,28 and 29, enters in the washing container by the mode of toppling over or by nozzle 30 atomizings.The paraffin 13 that is used for heat exchange between heat exchanger 11 and 14 is less expensive, does not have smell, and can not be detrimental to health and environment.The solvent that exists in groove and cartridge filter keeps cooling, to prevent bacteria breed.Device of the present invention can carry out various variations and distortion according to purport of the present invention and the described protection domain of claims.

Claims (3)

1. device of be used for optimizing the washing process of dry cleaner, described device comprises for cooling stream to the inlet tube (1) of the water of refrigerator (2), for delivery of from the outlet (3) of the hot water of described refrigerator and be located at two heat exchangers (11,14) in the heat insulation groove (8); It is characterized in that, described heat exchanger (11,14) be immersed in the paraffin, the heat that is produced with storage refrigerator (2) also heats the single solvent that is used for described washing process, and by feedback control circuit the temperature of described solvent is remained in the temperature value that is set by thermoregulator (31).

2. the device for the washing process of optimizing dry cleaner as claimed in claim 1 is characterized in that, only by produced by described refrigerator (2) and be stored in the interior heat of described heat insulation groove (8) and heat described solvent for described washing process.

3. as the described device for the washing process of optimizing dry cleaner of above-mentioned claim, it is characterized in that, in dry cleaner, come the washing the fibre goods by the described solvent that atomizes, thereby use the solvent of less amount, and under optimum temperature, heat described solvent a period of time, greatly to strengthen the security of deoil stain ability and machine.

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