CN201530110U

CN201530110U - Heating and cooling system

Info

Publication number: CN201530110U
Application number: CN2009202575510U
Authority: CN
Inventors: 吴政道
Original assignee: Mitac Precision Technology Kunshan Ltd
Current assignee: Mitac Precision Technology Kunshan Ltd
Priority date: 2009-11-09
Filing date: 2009-11-09
Publication date: 2010-07-21
Anticipated expiration: 2019-11-09

Abstract

A heating and cooling system is applied to the RHCM technology, and comprises a cold water tank, a cold water pump, an exchanger, a hot water tank, a hot water pump and a steam generator. A first end of the cold water tank is connected with a pure water refilling hole, a third end thereof is connected with one end of a first pneumatic valve, the other end of the first pneumatic valve is connected with a first filter, a fourth end of the cold water tank is connected with a second filter, one end of the cold water pump is connected with a second filter, a first end of the exchanger is connected with the other end of the cold water pump, a third end of the exchanger is connected with the other end of the first filter, a first end of the hot water tank is connected with the cold water tank, a third end of the hot water tank is connected with one end of a third filter, one end of a hot water pump is connected with the other end of the third filter while the other end is connected with one end of a third pneumatic valve, and one end of the steam generator is connected with the other end of a first stop valve. The heating and cooling system resolves the problem that because emission steam and water generated by large boilers when heating or cooling molds in the prior art can not be recycled, energy loss is caused.

Description

Heating and cooling system

[technical field]

The utility model relates to a kind of heating and cooling system, particularly relevant for a kind of heating and cooling system that is applied in the RHCM technology (high-speed and high-temperature forming technique).

[background technology]

RHCM (Rapid Heat Cycle Molding): the high-speed and high-temperature forming technique, in plastics, add GF, produce shell with reflecting effect, RHCM can solve product problems such as the insoluble joint line of common moulding, current mark.

RHCM principle: the heat distortion temperature that the mold cavity surface is heated to plastics, injected plastic then, in the injection moulding process, the temperature of mould remains unchanged, the temperature of mould drops to the taking-up product gradually after finishing, next injection treatment starts, and die surface heats rapidly, and mold temperature raises and reduces all very fast.

Utilize the mutual control of steam and water be used in can be good in the injection mo(u)lding the replicated product outward appearance, and obtain high-quality outward appearance part product, but because the steam that existing equipment need use cauldron to produce is done mold heated, the steam and the water of discharging can't recyclings, cause the loss of the energy; And constantly steam enters mould and easily causes the fouling of mould pipeline, makes hot transfer efficiency variation, goes and damages into another loss on the energy and mould.

In view of this, the utility model proposes a kind of heating and cooling system, this heating and cooling system are applied in the RHCM technology, make that the RHCM technology can be more efficiently with steam and cooling water recycling, and to reach energy-saving effect, its advantage is as follows:

1. adopt the design of fully automatic electric hot type steam generator, avoid the danger of cauldron;

2. with the steam and the cooling water recycling of mould, save the waste of the energy and water resource;

3. steam and cooling water is interior recycling, the calcium sodium magnesium ion in the water is not being increased, thereby the fouling quantity in the mould pipeline is reduced.

[summary of the invention]

The purpose of this utility model provides a kind of heating and cooling system, the steam of the discharging that cauldron produces when solving in the prior art mold heated, cooling and water can't recyclings, cause the loss of the energy, and constantly steam enters mould and easily causes the fouling of mould pipeline, make hot transfer efficiency variation, go the problem of damaging into another loss on the energy and mould.

According to the purpose of this utility model, a kind of heating and cooling system are proposed, it is applied in the RHCM technology, and this system comprises:

Water cooling pond, its first end is connected with a pure water water supplement port, second end connects an end of one first expansion cylinder, the 3rd end of this water cooling pond connects an end of one first pneumatic operated valve, the other end of this first pneumatic operated valve connects an end of one first filter, the 4th end of this water cooling pond connects an end of one second filter, the cold water after this water cooling pond is used for providing the required cold water of RHCM technical work and reclaims use;

Water supply pump, the one end connects the other end of above-mentioned second filter;

Interchanger, its first end connects the other end of above-mentioned water supply pump, its second end connects a cold water water supplement port, its the 3rd end connects an end of second pneumatic operated valve of a cooling line among the other end of above-mentioned first filter and the above-mentioned RHCM respectively, and the 3rd end place of this interchanger also is provided with a Pressure gauge and a sensing rod for temperature;

Hot-tub, its first end and above-mentioned water cooling pond, second end connect an end of one second expansion cylinder, and the 3rd end connects an end of one the 3rd filter, the hot water after this hot-tub is used for providing the required hot water of RHCM technical work and reclaims use;

Heat-exchanger pump, the one end connects the other end of above-mentioned the 3rd filter, and the other end of this heat-exchanger pump connects an end of one the 3rd pneumatic operated valve, and the other end of the 3rd pneumatic operated valve connects an end of one first stop valve;

Steam generator, the one end connects the other end of above-mentioned first stop valve, and its other end connects an end of one first ball valve of steam pipeline among the above-mentioned RHCM.

Preferably, above-mentioned steam generator is provided with a heater.

Compared to prior art, heating of the present utility model and cooling system make that the RHCM technology can be more efficiently with steam and cooling water recycling, save the waste of the energy and water resource, the calcium sodium magnesium ion in the water is not being increased, thereby the fouling quantity in the mould pipeline is reduced.

For the purpose of this utility model, structural feature and function thereof are had further understanding, conjunction with figs. is described in detail as follows now:

[description of drawings]

Fig. 1 illustrates the structure principle chart of heating of the present utility model and cooling system.

Fig. 2 illustrates heating of the present utility model and the schematic diagram of cooling system in preferred embodiment.

[specific embodiment]

As shown in Figure 1 and Figure 2, heating of the present utility model and cooling system, it is applied in the RHCM technology 3, and this system comprises:

Water cooling pond 1, its first end is connected with a pure water water supplement port 100, second end connects an end of one first expansion cylinder 11, the 3rd end of this water cooling pond 1 connects an end of one first pneumatic operated valve 12, the other end of this first pneumatic operated valve 12 connects an end of one first filter 13, the 4th end of this water cooling pond 1 connects an end of one second filter 14, the cold water after this water cooling pond 1 is used for providing the required cold water of RHCM technology 3 work and reclaims use;

Water supply pump 15, the one end connects the other end of above-mentioned second filter 14, and this water supply pump 15 is used for supercharging;

Interchanger 16, its first end connects the other end of above-mentioned water supply pump 15, its second end connects a cold water water supplement port 200, its the 3rd end connects an end of second pneumatic operated valve 311 of a cooling line 31 in the other end of above-mentioned first filter 13 and the above-mentioned RHCM technology 3 respectively, and the 3rd end place of this interchanger 16 also is provided with a Pressure gauge 17 and a sensing rod for temperature 18, can make the cold water that flows out in the water cooling pond 1 reach required low temperature after cold water that above-mentioned cold water water supplement port 200 flows out and 16 effects of this interchanger, thereby enter into RHCM technology 3 cooling lines 31;

Hot-tub 2, its first end and above-mentioned water cooling pond 1, the second end connect an end of one second expansion cylinder 21, and the 3rd end connects an end of one the 3rd filter 22, the hot water after this hot-tub 2 is used for providing the required hot water of RHCM technology 3 work and reclaims use;

Heat-exchanger pump 23, the one end connects the other end of above-mentioned the 3rd filter 22, and the other end of this heat-exchanger pump 23 connects an end of one the 3rd pneumatic operated valve 24, and the other end of the 3rd pneumatic operated valve 24 connects an end of one first stop valve 25, and this heat-exchanger pump 23 is used for supercharging;

Steam generator 26, the one end connects the other end of above-mentioned first stop valve 25, its other end connects an end of one first ball valve 321 of steam pipeline 32 in the above-mentioned RHCM technology 3, be provided with a heater 261 in this steam generator 26, it is used for the hot water of the steam generator 26 of flowing through is heated as steam.

In present embodiment, before mould is heated, by pure water water supplement port 100 make-up water in water cooling pond and hot-tub 2, during heating, current in the hot-tub 2 enter steam generator 26 behind the 3rd filter 22 and heat-exchanger pump 23, the 3rd pneumatic operated valve 24, first stop valve 25,261 pairs of water of heater in this steam generator 26 heat, be that it becomes steam, then steam flows in the RHCM technology 3 in the steam pipeline 32, thereby mould is heated, and the waste water after the heating is flowed through and is got back in the hot-tub 2 behind the hot water return pipe 34; When mould is cooled off, current in the water cooling pond 1 are through second filter 14, water supply pump 15 and interchanger 16, temperature through interchanger 16 back cold water can reach the described temperature of mold cools down, then cooled cold water flows into cooling line 31 in the RHCM technology 3, and then mould lowered the temperature, the waste water after the cooling is got back in the water cooling pond 1 through cold-water return pipe 34.Finished heating and cooling procedure like this, and the waste water after using need not to discharge, can reuse, the calcium sodium magnesium ion in the water is not being increased mould.

Claims

1. one kind is heated and cooling system, and it is applied to it is characterized in that in the RHCM technology that this system comprises:

2. heating as claimed in claim 1 and cooling system is characterized in that above-mentioned steam generator is provided with a heater, and it is used for heating the flow through hot water of steam generator and becomes steam.