CN2546788Y

CN2546788Y - Apparatus for raising dehumidifing efficiency

Info

Publication number: CN2546788Y
Application number: CN 02216672
Authority: CN
Inventors: 陈子钟
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-04-09
Filing date: 2002-04-09
Publication date: 2003-04-23
Anticipated expiration: 2012-04-09

Abstract

Disclosed is an apparatus to improve the dehumidifying efficiency, which comprises a compressor,at least two condensation devices and a condenser arranged on the ventilation and dehumidity path; wherein, the refrigerant inside a pipeline is condensed by the compressor; then the refrigerant flows into an outer condensation device, and is released the pressure and jetted into the condenser through a pre-designed expansion valve to absorb the heat of the air going through the surrounding of the condenser. The utility model is characterized in that an inner condensation device which is arranged opposite to the pre-positioned position of the ventilation pipeline of the condenser is connected with the connecting path of the compressor and the outer condensation device; the inner condensation also has the functions of exhausting the heat from the surrounding air through the going through of the refrigerant with high heat and high pressure and guiding the refrigerant went through into the condenser; thus, when the environmental air enters the ventilation path, at first the air goes through the inner condensation device to be exhausted heat by the condensation device so as to form a state of high temperature and high humidity, then goes through the condenser to be absorbed heat and rapidly the moisture of the air is condensed to form a state of low temperature and low humidity. Thus the dehumidity efficiency can be effectively improved.

Description

The raising device of dehumidification rate

Technical field

The utility model is a kind of raising device of dehumidification rate, be meant a kind of in dehydrating unit especially, but the state of temperature that an Auto-Sensing desire is removed wet environment is set, and the gas temperature by condenser is heated in good time, make the air-flow of the condenser temperature difference variation during because of heat exchange of flowing through big, and can increase condensation efficiency, and, can prevent that condenser from influencing its usefulness because of the surperficial frosting phenomenon that causes under the long-time coagulation because of the intensification of this condensation work to heat exchange.

Background technology

(refer in particular to agricultural product for food; marine product etc.); store for a long time if desire; just must consider that himself can cause chemical change because of the problem of humidity; after the situation of aqueous vapors such as its evaporation or fermentation, produce and addle; therefore general industry usually can be in the zone of storing these food; one dehydrating unit is set to be dehumidified; and general dehydrating unit is mostly by a compressor; one condensed device and a condenser constitute; interconnect between these parts and by relevant pipeline; can dredge one and irritate the mobile recurrence relation of refrigerant generation that places canal path; and condenser is to be fixed on the ventilation circuit path of dehydrating unit; make dehydrating unit after the removing wet zone and take out the air that draws in it and enter of desire appointment; must return the space of appointed area by the wind hole of condenser; circulate with repetitiousness; and this compressor is after the refrigerant in this pipeline is bestowed pressure; make it present the high-temperature high-pressure state of gaseous state; flow in the condensed device by the road again; this condensed device is the outside that is set at dehydrating unit; make the refrigerant that passes through fall sharply into a liquid state to the absorption of air heat in the outside; therefore refrigerant presents the high-pressure liquid of a low humidity; and again by in pipeline transporting to an expansion valve; refrigerant that should liquid state by expansion valve sprays in the condenser; because liquid refrigerants is when spraying volatilization; can make its pressure obtain discharging; and the generation heat-absorbing action; therefore will produce heat-absorbing action to air by condenser table side; therebetween air of order is subjected under the condensation heat exchange effect and the generation aqueous vapor of condensing; purpose is used for reducing the relative humidity in zone, mark ground, and can make the environment of locating such as grain warehouse etc. the drying that more becomes; comfortable.

Yet, on practice, can find these dehydrating units in the running, for appointed area (as grain warehouse) bestowed a higher low-humidity environment, still can control the running that compressor and condenser continue, in this process, the surface temperature of condenser can be because of continuing decline, and most probably because of the excessive low temperature of body, the surface of causing condenser is because of the condensate water frosting, make that air permeability is therebetween stopped up, this be for having a greatly reduced quality on the efficient of air heat exchange, in addition because the humidity in this zone and fail to reach to setting value, so make and constantly running of compressor will speed up the aging back disease of these parts virtually.

Moreover, the air of those condensations is being expelled back into this except that behind the wet zone, will present a colder band wet condition, at this constantly under the ringing, make the temperature in this zone cause temperature drop on the contrary, will be for the food that is stored in this zone because of under its wet partially colder influence, and reduce the evaporation of himself aqueous vapor naturally, and to increasing a bad parameter on the effect that dehumidifies; Because the colder air general that wets partially in this zone is once more by the dehydrating unit suction that circulates, this is carrying out in the heat exchange for condenser and colder air, because of the little efficient of condensation that makes then of temperature contrast therebetween becomes poorer.

In view of this, the utility model creates a kind of improvement product that has more novelty, progress at the deficiency of the dehydrating unit existence of above-mentioned prior art, and the phase can help respectively to produce the raising of boundary's technology.

Summary of the invention

Main purpose of the present utility model aims to provide a kind of raising device of effect on moisture extraction, it mainly comprises a compressor, at least one condensed device, one is set at the loop dehumidifications that parts constituted such as condenser on the air pipeline path, wherein above-mentioned compressor is set on the loop dehumidification one pipeline path, can impel the refrigerant in the pipeline to compress the gaseous state that presents HTHP down through it, and make refrigerant be arranged in the outer condensed device of dehydrating unit outside by one, make refrigerant to produce heat absorption and to present liquid state to its extraneous air, this refrigerant sprays by a default expansion valve and enters in the condenser, because the refrigerant that enters in the condenser absorbs heat because of release of pressure, the air heat by condenser is attracted and condensation formation aqueous vapor by it; Characteristics are: on the above-mentioned compressor and the access path of outer condensing machine, connect the interior condensed device that another is arranged at the air pipeline lead position of relative condenser, should will accept passing through of high thermal high refrigerant by interior condensed device, and its ambient air is produced the heat extraction effect, to make thus by the air before the condenser, can accept its heat extraction effect earlier and form inclined to one side humid tropical condition, sharply airborne hydrogenesis is become the state of a low temperature and low humidity again through the condenser heat absorption, because the utility model improves air temperature earlier again by the big condenser effect of the temperature difference, allow the efficient of its heat exchange improve, the efficient of feasible dehumidifying can effectively be improved and is its purpose; By before the condenser means that improve air themperature being set relatively, can improve the temperature of condenser surface relatively, form the shortcoming of frosting because of the normality low-temperature working to prevent its surface.

Another purpose of the utility model promptly is the postposition of relative condenser draft outlet, other is provided with condensing machine in, the feasible device that is condensed is bestowed the Cryogenic air after the heat absorption, can be subjected to the heat extraction effect of interior condensing machine once again and its temperature is enhanced, and release back again in the environment of desire dehumidifying, make the temperature of this environment still can remain in an appropriate tepid state, this will help the food stored in this environment because of having good heat absorption environment, be evaporated or will ferment and the aqueous vapor that it is carried secretly is more effective; In addition, because the rising of this dehumidifying environment temperature, can make the air that returns dehydrating unit can have deflection high temperature and carry the height moisture secretly, and can help to improve the heat exchanger effectiveness of condenser.

The utility model purpose more promptly is to be provided with on the above-mentioned loop dehumidification magnetic valve, and see through-the connection control of state controller is down, can be according to removing the Temperature numerical of Temperature numerical that wet zone sets and this zone reality of induction, and the circulating path of controlling refrigerant automatically is with the running that dehumidifies.

Description of drawings

Be further described below in conjunction with the raising device of accompanying drawing the utility model dehumidification rate:

Fig. 1 is the configuration schematic diagram of the relevant parts of dehydrating unit of the present utility model;

Fig. 2 is the outward appearance pattern reference diagram of dehydrating unit of the present utility model;

Fig. 3 analyses and observe reference diagram for the inside of dehydrating unit of the present utility model;

Fig. 4 is that dehydrating unit one of the present utility model uses the embodiment reference diagram.

Element number and title contrast in graphic

1 ... cabinet

11 ... compressor

12 ... condensed device

121 ... outer condensed device

122 ... condensed device in preposition

123 ... condensed device in rearmounted

13 ... air pipeline

131 ... air guide hole

132 ... exhaust outlet

133 ... air blast mechanism

14 ... condenser

15 ... pipeline

16 ... expansion valve

20 ... state controller

21 ... magnetic valve

22 ... magnetic valve

3 ... storage areas

Specific embodiment

Please join Fig. 1, Fig. 2 or shown in Figure 3, the raising device of the utility model dehumidification rate, it mainly comprises a compressor 11, at least one condensed device 12, one is set at the loop dehumidification 10 that condenser 14 parts such as grade on air pipeline 13 paths are constituted, be each above-mentioned parts to be arranged at one respectively have in the cabinet 1 of accommodation space (as shown in Figure 3) in one embodiment, be set as an air guide hole 131 and exhaust outlet 132 on this cabinet 1 and according to the pattern of air pipeline 13, and on the path of air pipeline 13 and be provided with one and air can be pushed the air blast mechanism 133 enter in the cabinet 1, make air can enter the air pipeline 13 of cabinet 1, and discharge by exhaust outlet 132 again from air guide hole 131.

Wherein this compressor 11 is set in a pipeline 15 paths in order to the transporting refrigerant, it can grant refrigerant the gaseous state that compression forms existing HTHP, and carry refrigerant to enter one to be arranged in the outer condensed device 121 of dehydrating unit outside, owing to will producing heat-absorbing action to refrigerant, outer condensed device 121 surrounding airs make its cooling be liquefaction, become the liquid refrigerants of cryogenic high pressure, this liquid refrigerants is also again by an expansion valve 16 that is located on the pipeline 15, enter in the condenser 14 in the mode of spraying, because the liquid refrigerants of cryogenic high pressure in gasification simultaneously, can be carried out heat-absorbing action to condenser 14 ambient airs by rapid release of pressure, feasible air heat by condenser 14 can be carried out to be removed, and make the state that presents a low temperature and low humidity by the air of condenser 14, satisfy the exsiccation that forms aqueous vapor in this condensation.

And the utility model must emphasize especially be: above-mentioned compressor 11 with outside on pipeline 15 access paths of condensed device 121, the interior condensed device 122 of preceding tool that connects the ventilating path lead position that a relative condenser 14 is set in addition, condensed device 122 also connected by pipeline 15 in this was preposition, and the high hot gaseous refrigerant of accepting to be produced by compressor 11 of high pressure passes through, make that the ambient air temperature of preposition interior condensed device 122 will be improved relatively, and be subjected to the liquid refrigerants after the heat extraction and pass through pipeline 15 again importing in the condensers 14, after will making that thus surrounding air enters the path of air pipeline 13, can form humid tropical condition under the heating by condensed device 122 in preposition earlier, continuous and through condenser 14 heat absorptions, and the rapid state that the water in air segregation junction is formed a low temperature and low humidity, because air improves temperature again by the bigger condenser effect of the temperature difference, and allow its heat exchanger effectiveness improve, will make that the efficient of condensing is effectively improved.

In addition in the feasible embodiment of the utility model one, postposition at the draft outlet of described relatively condenser 14, be provided with a rearmounted interior condensed device 123, in this postposition condenser 123 and be arranged at preposition preposition in the pipeline 15 of condensed device 122 form and connect, because the high hot gaseous refrigerant of high pressure that the rearmounted interior condensed device 123 of this postposition is accepted to be produced by compressor 11 enters, also feasible air themperature by condensed device 123 in rearmounted also will be enhanced once more because of being subjected to the heat extraction effect, make thus by the low temperature and low humidity air after condenser 14 effects, can be bestowed heat extraction by condensing machine 123 in rearmounted once again, and the state that presents the high temperature low humidity is released back this except that in the wet environment, make the temperature of this environment still can remain in an appropriate tepid state, this will help the food stored in this environment because of having good heat absorption environment, be evaporated or will ferment and the aqueous vapor that it is carried secretly is more effective; In addition, because the rising of this dehumidifying environment temperature can make the air that returns dehydrating unit can present one and be partial to high temperature and carry the highly state of moisture secretly, and can help to improve the heat exchanger effectiveness of condenser.

Preferred version, be outside condensed device 121 with preposition in a

magnetic valve

21,22 is set on the pipeline 15 that is connected of condensed device 122 respectively, two

magnetic valves

21,22 also pass through a default state controller 20 and control, this state controller 20 removes the set temperature value of wet zone to desire according to operating personnel, this removes air actual temperature of wet zone and cooperate induction, and automatically the outer condensed device 121 of control or preposition in condensed device 122 dredge refrigerant in mode independent or that carry out simultaneously and flow and produce the action that dehumidifies; For example: desire is removed the Temperature numerical that wet zone is bestowed 20 degree to this, and should remove the temperature of wet zone if be higher than 20 just when spending, then this state controller 20 can be opened the magnetic valve 21 that is arranged on outer condensed device 121 pipelines, make the circulation of 14 starts simultaneously of outer condensed device 121 and condenser refrigerant, carry out general dehumidifying action this is removed wet zone; Otherwise, just be lower than 20 when spending if should remove temperature of wet zone, then this state controller 20 can be opened the magnetic valve 22 that is arranged in addition on preposition interior condensed device 122, rearmounted interior condensed device 123 pipelines, make the circulation of two interior condensed devices 122,123 and 14 starts simultaneously of condenser refrigerant, because interior condensed device 122,123 can heat air on the path by condenser 14 front and back respectively, and can make heat exchanger effectiveness therebetween strengthen, and this is removed the dehumidifying action that wet zone is implemented more efficient.

In a feasible experiment, general common dehydrating unit is not adding under any chemical agent when the dehumidifying action, and its relative humidity of implementing the dehumidifying zone is between 45～50%, then can reduce between 40～45% if added chemical agent, as seen the ability of its dehumidifying is very limited; And if when being implemented with dehydrating unit of the present utility model, owing to improved the efficient of its exchange, can make its relative humidity of implementing the dehumidifying zone reach between 10～15%, and can obtain high dehumidifying efficiency.

Referring again to shown in Figure 4, be to show that dehydrating unit of the present utility model applies in the sealing occasion of a preserved food products, this storage areas 3 is by under the running of an air blast mechanism 133, and the air that will descend the orientation is taken out the air guide hole 131 of introducing casing 1, and after the dehumidifying action through condensed device 122, rearmounted interior condensed device 123 and condenser 14 in preposition, exhaust outlet 132 by casing 1 top pushes out, and returns in this storage areas 3, to carry out the circulation of repetitiousness.

Comprehensive the above as can be known, the raising device of dehumidification rate of the present utility model can improve the shortcoming of conventional apparatus really, has reached the purpose of this utility model.

Claims

1. the raising device of a dehumidification rate mainly comprises: a compressor, be arranged on the pipeline of carrying refrigerant, and present the liquid state of HTHP in order to compression refrigerant; One outer condensed device, pipe connect discharges the heat of above-mentioned high-temperature liquid state refrigerant, and makes it present low temperature liquid; One is set at the condenser on the ventilating path, and it enters its inside by an expansion valve with this liquid refrigerants release of pressure injection, so that pass through the heat of this condenser ambient air, and can be at heat exchanging process; It is included moisture, on condenser, condense into water; It is characterized in that: on the access path of above-mentioned compressor (11) and condenser (14), preposition interior condensed device (122) with respect to the ventilating path lead position of condenser (14) is set in addition, condensed device (122) was the refrigerant that pipe connects the high thermal high that machine (11) by compression sent out in this was preposition, and producing the heat extraction effect to around it, the refrigerant that will pass through guides in the described condenser (14) again; Thus after humid air enters ventilating path, will be in advance through forming a humid tropical condition under the heat extraction effect of interior condensed device (122), continuous and absorb heat by condenser (14) again, and then sharply water in air part is condensed, formed the circulating air of a low temperature and low humidity,, made that the temperature difference between air and condenser (14) strengthens by condenser (14) is passed through in air heating earlier again, and improve the efficient of its heat exchange, will make that the efficient of dehumidifying can effectively be improved.

2. the raising device of dehumidification rate as claimed in claim 1 is characterized in that: above-mentioned compressor (11), interior condensed device (122) and air pipeline (13) are set at one respectively with condenser parts such as (14) to have in the cabinet (1) of accommodation space.

3. the raising device of dehumidification rate as claimed in claim 2, it is characterized in that: be set as an air guide hole (131) and exhaust outlet (132) on the above-mentioned cabinet (1) and according to the pattern of air pipeline (13), and on the path of this air pipeline (131) and be provided with the air blast mechanism (133) that air can be pushed in the cabinet (1), make air can enter the air pipeline (13) of cabinet (1), and discharge by exhaust outlet (132) again from air guide hole (131).

4. the raising device of dehumidification rate as claimed in claim 1, it is characterized in that: wherein at the postposition of the draft outlet side of condenser (14), other be provided with rearmounted in condensed device (123), in this condensed device (123) and be arranged at preposition interior condensed device (122) and form and connect.

5. the raising device of dehumidification rate as claimed in claim 1, it is characterized in that: wherein condensed device (121) and interior condensed device (122) outside, (123) on the pipeline that is connected, magnetic valve (21) is set respectively, (22), and magnetic valve (21), (22) and by a default state controller (20) control, this state controller (20) is according to desire is removed wet zone and set temperature value, this removes the air actual temperature of wet zone and cooperate induction, and controls outer condensed device (121) or interior condensed device (122) automatically, (123) dredge the action that refrigerant flows and generation dehumidifies in mode independent or that carry out simultaneously.