CN201772682U

CN201772682U - Ice water energy storage evaporator

Info

Publication number: CN201772682U
Application number: CN2010202674877U
Authority: CN
Inventors: 余小兵
Original assignee: ZHEJIANG YAONENG TECHNOLOGY CO LTD
Current assignee: ZHEJIANG YAONENG TECHNOLOGY CO LTD
Priority date: 2010-07-22
Filing date: 2010-07-22
Publication date: 2011-03-23
Anticipated expiration: 2020-07-22

Abstract

The utility model discloses an ice water energy storage evaporator. The evaporator comprises a shell, a refrigerating medium liquid inlet cavity, a refrigerating medium gas outlet cavity, a refrigerating medium transition cavity, cooling copper pipes and a plurality of flow isolating plates with notches, wherein the refrigerating medium liquid inlet cavity and the refrigerating medium gas outlet cavity are formed at one end of the shell; the refrigerating medium transition cavity is arranged at the other end of the shell; the cooling copper pipes are arranged in the cavity of the shell; the cavity of the shell is divided into a plurality of chambers by the plurality of flow isolating plates with notches; the cooling copper pipe is not arranged at a certain empty position in the center of the cavity; meanwhile, a water circulation through hole is formed on each flow isolating plate at the empty position. The ice water energy storage evaporator breaks through the bottleneck that an evaporating pipe can be gradually frozen from inner circle to outer circle when the conventional evaporator is refrigerated to 5 DEG C, can directly refrigerate water to 0 DEG C without freezing, and can achieve high-efficiency refrigerating effect which cannot be achieved by the conventional evaporator.

Description

A kind of frozen water energy-storage evaporation device

Technical field

The present invention relates to a kind of evaporimeter, particularly a kind of frozen water energy-storage evaporation device.

Background technology

At present, traditional evaporation structure as Figure 1-3, whole evaporimeter comprise a housing 1 ', housing 1 ' one end be provided with the refrigerant admission chamber 11 that separates fully ' and refrigerant outlet chamber 12 ', the other end of housing be provided with refrigerant adapter cavity 13 '; And whole housing inner chamber 14 ' uniform be provided with cooling copper tube 2 ', adjacent in twos copper pipe 2 ' between spacing equate, the copper pipe 2 of its middle shell inner chamber 14 ' the first half ' connection refrigerant admission chamber 11 ' and refrigerant adapter cavity 13 ', the copper pipe 2 of housing inner chamber 14 ' the latter half ' connection refrigerant adapter cavity 13 ' and refrigerant outlet chamber 12 '.Housing inner chamber 14 ' one be provided with inlet 141 ', the other end be provided with liquid outlet 142 ', whole inner chamber 14 ' quilt with breach 151 ' several chambers of a plurality of cutoff boards 15 ' be divided into, be designed in this diagram three cutoff boards 15 ', each cutoff board 15 ' between the breach 151 ' 90 ° of settings of staggering in regular turn.At this, because of each cutoff board 15 ' and copper pipe 2 ' between seamless link, cutoff board 15 ' one side also plays the effect that enlarges the cooling contact area on the other hand to copper pipe 2 ' play a supporting role.

In use, the circulation route of refrigerant be refrigerant admission chamber 11 ', the cooling copper tube 2 of housing inner chamber 14 ' the first half ', refrigerant adapter cavity 13 ', the cooling copper tube 2 of housing inner chamber 14 ' the latter half ', refrigerant outlet chamber 12 '.The circulation route of water be inlet 141 ', the breach 151 of first cutoff board ', the breach 151 of second cutoff board ', the breach 151 of the 3rd cutoff board ', liquid outlet 142 ', form the spiral cyclic process of a class.The exchange heat of water and refrigerant is transmitted realization by copper pipe 2 ' and cutoff board 15 ' heat.

Because of the cost of anti-icing fluid is very high, anti-icing fluid has certain corrosiveness to refrigeration unit, and the interpolation meeting of anti-icing fluid impacts water quality, and therefore, in the middle of reality, the water that freezes with refrigeration unit does not add anti-icing fluid basically.And find through use for many years, above evaporimeter is because structural limitation, can only the water cooling to 5 ℃ of anti-icing fluid will do not added at most, in case the temperature of water is lower than 5 ℃, will take place in the evaporimeter to freeze and stop up, and finally cause the evaporimeter spalling and scrap, this cooling restriction greatly reduces the heat exchanger effectiveness of evaporimeter, the exchange heat of refrigerant and water can not be carried out fully, get back to refrigerant outlet chamber 12 ' refrigerant be in liquid gas admixture, and in order to guarantee the operate as normal of compressor, must be connected a liquid-gas separator between evaporimeter and compressor, the manufacturing cost that this has not only increased refrigeration unit has prolonged the circulation route of refrigerant, reduce circulation rate, also caused the unnecessary loss of part energy simultaneously.

And find through experiment, because of the restriction that circulates in each cutoff board breach 151 ' shift to install of water forms the spiral circulation of a class down, water under action of centrifugal force and outer rim copper pipe 2 ' stop that the water that causes entering inner chamber 14 ' center is fewer and flowing velocity is slow, and this phenomenon is obvious more the closer to the center, and the icing phenomenon of the slow more just easy more generation of the few more flow velocity speed of current.In addition, because of copper pipe 2 ' and cutoff board 15 ' between be a kind of seamless link mode, in water cycle process, can form certain circulation dead angle, this has hindered flowing of water greatly, and then also the phenomenon of freezing takes place easily.More than the experiment of two aspects show that it is too big that the volume of evaporimeter can not be done, the problem of big more its centre junction ice of volume is projection more, heat exchanger effectiveness is low more, and this structural limitations of evaporimeter causes the bottleneck of present high-power refrigeration unit.

Summary of the invention

At the problems referred to above, the present invention has designed a kind of frozen water energy-storage evaporation device, and the exchange heat efficient that it can further promote refrigerant and water can obtain the more refrigeration frozen water of low temperature, reduces the manufacturing cost of refrigeration unit.

For achieving the above object, the present invention is by the following technical solutions:

A kind of frozen water energy-storage evaporation device, comprise a housing, be arranged on housing one end refrigerant admission chamber and refrigerant outlet chamber, be arranged on the housing other end the refrigerant adapter cavity, be arranged on the cooling copper tube of housing inner chamber, with the notched a plurality of cutoff boards that the housing inner chamber are divided into several chambers, it is characterized in that: the vacant certain position of described lumen centers is not provided with cooling copper tube, and each cutoff board of this vacant position is provided with water circulation clear opening simultaneously.

The certain angle setting of staggering in regular turn of above-mentioned each cutoff board breach, this angular dimension is 30 ° ~ 120 °.

The junction of above-mentioned each cutoff board and cooling copper tube has the pod apertures that is provided with around cooling copper tube.

For solving the problem that existing conventional evaporator housing lumen centers is frozen earlier, the present invention is not provided with cooling copper tube at the vacant certain position of housing lumen centers, and each cutoff board of this vacant position is provided with water circulation clear opening.This structure is provided with, reduced the copper pipe number on the one hand, reduced consumptive material, expanded the space of lumen centers simultaneously, reduced the generation of icing clogging, be arranged on second circulation route of the water circulation clear opening formation water above the cutoff board simultaneously, making water pass through this clear opening can be from other end that is washed into inner chamber at high speed of housing inner chamber, can promptly wash away the ice bits and take away cold, effectively solve the at first ice formation issues that conventional evaporator lumen centers current are few, flow velocity causes slowly.This structural improvement has also been abolished the technical bottleneck that not exclusively produces because of the evaporimeter refrigeration in traditional high-power refrigeration unit manufacturing simultaneously.

And produce the problem that the dead angle causes water freezing in order to solve conventional evaporator copper pipe and cutoff board seamless link, the present invention offers pod apertures in the junction of each cutoff board and cooling copper tube, and this pod apertures is around the cooling copper tube setting, at this, the structure setting of pod apertures has formed the 3rd circulation route of water, current not only pass through from breach, the clear opening of cutoff board, and ejection fast from pod apertures, this structure setting can be taken away the cold of copper pipe apace, has fundamentally eliminated the existence at current dead angles.

Water circulation of the present invention comprises three routes, it is respectively the breach of cutoff board, the pod apertures that clear opening in the middle of the cutoff board and cutoff board are provided with at the copper pipe periphery, compare traditional evaporimeter, discharge is bigger, flow velocity is higher, can carry out exchange heat with refrigerant more efficiently, at this, complete because of the exchange heat of refrigerant and water, the refrigerant of getting back to the refrigerant outlet chamber is in vaporized state fully, need not between evaporimeter and compressor, to be connected a liquid-gas separator, reduce the accessory cost, also shortened the circulation route of whole refrigerant simultaneously, promoted circulation rate, reduce the loss of additional energy, reduced pump power.

This evaporimeter can directly use municipal water, does not freeze minimum cool to about 0 ℃ under the situation of not adding anti-icing fluid and stops up, and reaches the frozen water state, realizes that the unit water yield can store more cold.

The present invention may be used on the patent that the applicant once applied for, 200920121179.0, a kind of energy-efficient central air conditioner system of brand-new wind of utilizing off-peak power for operating main engine, utilize the national grid low ebb in night, municipal water is freezed to 0 ℃ of frozen water, store then in the big insulation cistern, applicable to the air-conditioning of cooling on daytime, and that big insulation cistern wherein can be made under the situation of specified refrigeration requirement is littler, saves manufacturing cost and maintenance cost greatly.

This evaporimeter is equally applicable to other the various industries that need lower the temperature and with the marine industry of frozen water processing, foodstuff industry etc., has good effects of energy saving and emission reduction.

In a word, the present invention is a kind of frozen water energy-storage evaporation device, and it has been broken through, and evaporation tube will be from inner ring progressively to the icing bottleneck in outer ring when conventional evaporator was freezed to 5 ℃.Evaporimeter of the present invention can directly freeze water and to 0 ℃ the phenomenon of freezing not take place, can reach the inaccessiable highly effective refrigeration effect of conventional evaporator.

Description of drawings

The stereochemical structure partial sectional view of Fig. 1, conventional evaporator;

The stereochemical structure partial sectional view two of Fig. 2, conventional evaporator;

The schematic cross-section of Fig. 3, conventional evaporator;

Fig. 4, stereochemical structure cutaway view of the present invention;

The stereochemical structure cutaway view at Fig. 5, another visual angle of the present invention;

Fig. 6, sectional view schematic diagram of the present invention.

The specific embodiment

Shown in Fig. 4-6, a kind of frozen water energy-storage evaporation device, whole evaporimeter comprises a housing 1, housing 1 one ends are provided with refrigerant admission chamber 11 and the refrigerant outlet chamber 12 that separates fully, are provided with refrigerant adapter cavity 13 at the other end of housing 1.And in housing inner chamber 14 uniform cooling copper tube 2 that is provided with except that the centre, the copper pipe 2 of its middle shell inner chamber 14 the first half connects refrigerant admission chamber 11 and refrigerant adapter cavity 13, and the copper pipe 2 of housing inner chamber 14 the latter halfs connects refrigerant adapter cavity 13 and refrigerant outlet chamber 12.One of housing inner chamber 14 is provided with inlet 141, and the other end is provided with liquid outlet 142.Simultaneously, whole inner chamber 14 is divided into several chambers by a plurality of cutoff boards 15 of band breach 151, be designed to three cutoff boards in this diagram, 30 ° ~ 120 ° settings of staggering in regular turn of breach 151 between each cutoff board 15, adopt 90 ° in the present embodiment, each cutoff board 15 is played a supporting role to copper pipe 2 on the one hand, also plays the effect that enlarges the cooling contact area on the other hand, and the spare bits of each cutoff board 15 at housing inner chamber 14 centers installs and be equipped with water circulation clear opening 152.

For solving the problem that existing conventional evaporator housing inner chamber 14 centers freeze earlier, the present invention is not provided with cooling copper tube 2 at the vacant certain position in housing inner chamber 14 centers, and each cutoff board 15 of this vacant position is provided with water circulation clear opening 152.This structure is provided with, copper pipe 2 numbers have been reduced on the one hand, reduced consumptive material, expanded the space at inner chamber 14 centers simultaneously, reduced the generation of icing clogging, be arranged on second circulation route of the water circulation clear opening 152 formation water above the cutoff board 15 simultaneously, making water pass through this clear opening can be from other end that is washed into inner chamber at high speed of housing inner chamber, can promptly wash away the ice bits and take away cold, effectively solve the at first ice formation issues that conventional evaporator inner chamber 14 center water stream are few, flow velocity causes slowly.This structural improvement has also been abolished the technical bottleneck that not exclusively produces because of the evaporimeter refrigeration in traditional high-power refrigeration unit manufacturing simultaneously.

And produce the problem that the dead angle causes water freezing with cutoff board 15 seamless links in order to solve conventional evaporator copper pipe 2, the present invention offers pod apertures 153 in the junction of each cutoff board 15 and cooling copper tube 2, and this pod apertures 153 is provided with around cooling copper tube 2, the shape of pod apertures 153 can be regular geometries such as fan-shaped, circular, oval, triangle, also can be for petal etc. irregularly shaped.At this, the structure setting of pod apertures 13 has formed the 3rd circulation route of water, current not only pass through from breach 151, the clear opening 152 of cutoff board, and ejection fast from pod apertures 153, the existence at current dead angles has fundamentally been eliminated in this structure setting, can take away the cold of copper pipe 2 apace, avoid the generation of icing phenomenon.

The water circulation of this evaporimeter comprises three routes, it is respectively the breach 151 of cutoff board, the pod apertures 153 that clear opening 152 in the middle of the cutoff board and cutoff board are provided with at copper pipe 2 peripheries, compare traditional evaporimeter, discharge is bigger, flow velocity is higher, can carry out exchange heat with refrigerant more efficiently, at this, because of the exchange heat of refrigerant and water complete, the refrigerant of getting back to refrigerant outlet chamber 12 is in vaporized state fully, need not between evaporimeter and compressor, to be connected a liquid-gas separator, reduce the accessory cost, also shortened the circulation route of whole refrigerant simultaneously, promoted circulation rate, reduce the loss of additional energy, reduced pump power.

Evaporimeter of the present invention may be used on the patent that the applicant once applied for, the patent No. is, 200920121179.0, a kind of energy-efficient central air conditioner system of brand-new wind of utilizing off-peak power for operating main engine, it utilizes the low ebb electricity in national grid night to carry out the main frame operation, municipal water freezed carry out accumulation of energy to 0 ℃ of frozen water, store then in the big insulation cistern, the central air-conditioning that is used for the cooling on daytime uses, it is littler that big insulation cistern wherein can be made under the situation of specified refrigeration requirement, can save manufacturing cost and maintenance cost to a certain extent.

In addition, evaporimeter of the present invention has good effects of energy saving and emission reduction, is equally applicable to other the various industries that need lower the temperature and the marine industry of processing with frozen water, foodstuff industry etc.

This evaporimeter can directly use municipal water to process, and does not freeze minimum cool to about 0 ℃ under the situation of not adding anti-icing fluid and stops up, and reaches the frozen water state, realizes that the unit water yield can store more cold, plays better accumulation of energy effect.

In sum, the present invention is a kind of frozen water energy-storage evaporation device, it has been broken through, and evaporation tube will be from inner ring progressively to the icing bottleneck in outer ring when conventional evaporator was freezed to 5 ℃, it can directly freeze water and to 0 ℃ the phenomenon of freezing not take place, can reach the inaccessiable highly effective refrigeration effect of conventional evaporator.

Claims

1. frozen water energy-storage evaporation device, comprise a housing, be arranged on housing one end refrigerant admission chamber and refrigerant outlet chamber, be arranged on the housing other end the refrigerant adapter cavity, be arranged on the cooling copper tube of housing inner chamber, with the notched a plurality of cutoff boards that the housing inner chamber are divided into several chambers, it is characterized in that: the vacant certain position of described lumen centers is not provided with cooling copper tube, and each cutoff board of this vacant position is provided with water circulation clear opening simultaneously.

2. a kind of frozen water energy-storage evaporation device as claimed in claim 1 is characterized in that: the certain angle setting of staggering in regular turn of described each cutoff board breach, this angular dimension is 30 ° ~ 120 °.

3. a kind of frozen water energy-storage evaporation device as claimed in claim 1 or 2 is characterized in that: the junction of described each cutoff board and cooling copper tube has the pod apertures that is provided with around cooling copper tube.