CN213208055U - Condensation heat recovery regeneration low dew point dehumidifier - Google Patents

Abstract

The utility model discloses a condensation heat recovery regeneration low dew point dehumidifier, which comprises a dehumidifier body; the refrigerating assembly comprises a rotating wheel assembly, a refrigerating assembly and a cooling assembly; wherein, the refrigeration component comprises a compressor set, an evaporator and a regenerative condenser; the cooling assembly comprises a water-cooled condenser and a cooling tower; one end of the water-cooled condenser is communicated with the evaporator, and the other end of the water-cooled condenser is communicated with the regenerative condenser; the cooling tower is communicated with the water-cooled condenser; the refrigerant circularly flows in the refrigerating assembly and the cooling assembly and contacts with the cooling liquid in the water-cooled condenser; through communicating through the pipeline between each part with refrigeration assembly, the refrigerant in every part all can transmit to the pipeline inner loop and flow, has improved the utilization efficiency of refrigerant, and the refrigerant after the heat exchange carries out gas-liquid exchange with the coolant liquid in transmitting to water cooled condenser simultaneously, sets up the flow of coolant liquid into adjustable, has further improved the efficiency of heat exchange between refrigerant and the coolant liquid, has reduced the waste of coolant liquid in the use, and is more energy-conserving high-efficient.

Description

Condensation heat recovery regeneration low dew point dehumidifier

[ technical field ] A method for producing a semiconductor device

The utility model relates to a dehumidifier field, in particular to low dew point dehumidifier of condensation heat recovery regeneration.

[ background of the invention ]

The dehumidifier is also called a dehumidifier, a drier and a dehumidifier, and as the name suggests, the working principle of the dehumidifier is that moist air is pumped into the dehumidifier through the action of a fan, water molecules in the air are condensed into water drops through a heat exchanger, the treated dry air is discharged out of the dehumidifier, and the indoor humidity is kept at proper relative humidity through circulation. With the further development of the industry, the dehumidifier is gradually divided into an industrial dehumidifier and a household dehumidifier, and with the increasing market demand, the development of the dehumidifier is further subdivided, including a refrigeration dehumidifier, a rotary dehumidifier, a solution dehumidifier and a pipeline dehumidifier.

In daily production and life, the freeze dehumidifier is widely used, and the freeze dehumidifier has the advantages of good dehumidification effect, quick reduction of room relative humidity, low operation energy consumption, no requirement of personnel or cooling water, convenient operation, flexible use and the like, and is widely applied to places such as national defense engineering, civil defense engineering, various warehouses, bookstores, archives, underground engineering, cushion industry, compact mechanical processing, medicine, material objects, agricultural practices and seed storage, workshops of various working conditions and enterprises and the like. The whole dehumidification process of the refrigeration dehumidifier is subdivided into an internal circulation process and an external circulation process, and the basic principle of the refrigeration dehumidifier is that water vapor in air with normal temperature and relative high humidity meets fins of a cooling copper pipe and is liquefied into water drops.

The traditional mechanical refrigeration dehumidifier has obvious defects that when the ambient temperature is lower than 18 ℃, the dehumidification effect of the traditional industrial dehumidifier is obviously reduced, and the rotary dehumidifier has the advantage that the dehumidification is not limited by the ambient temperature, so that the rotary dehumidifier is widely applied to various fields of national defense military industry, aerospace, machinery manufacturing, food electronics, pharmaceutical and chemical industry, textile and chemical fiber, paper printing, welding and spraying, wood products, ports, shipbuilding, civil air defense engineering and the like.

The treatment system is mutually and sequentially connected with a fresh air filter screen, a front surface cooling evaporator, a primary dehumidification rotating wheel, a middle surface cooling evaporator, a treatment fan, a secondary dehumidification rotating wheel and a heating condenser through pipelines; the regeneration system is sequentially connected with a secondary condenser, a secondary heater, a secondary dehumidification rotating wheel, a regeneration fan, a primary condenser, a primary heater, a primary dehumidification rotating wheel, an exhaust fan and an exhaust air valve through pipelines; the middle meter condensing unit is respectively connected with the secondary condenser and the condenser in a sealing and circulating mode in a series connection mode or a parallel connection mode.

In above-mentioned comparison file, set up preceding table condensing unit and well table condensing unit and connect one-level condenser and second grade condenser respectively, come to carry out the heat exchange with different condensers through setting up different condensing units, the route that the refrigerant circulated flow is short, the phenomenon that the utilization efficiency of coolant liquid is not high appears easily when cooling liquid and refrigerant heat exchange in condensing unit, has caused the waste of coolant liquid. Therefore, it is necessary to provide a dehumidifier which utilizes the cooling liquid with high efficiency.

[ Utility model ] content

The technical problem to the easy energy waste that causes when setting up two condensing units and condenser among the above-mentioned prior art and carrying out the heat exchange, the utility model discloses a be parallelly connected the setting on the pipeline that a refrigerant circulation flows through being every regenerative condenser and evaporimeter to the water cooled condenser that sets up on the pipeline links to each other with the cooling tower, and the refrigerant that has carried out the heat exchange on evaporimeter and regenerative condenser carries out the heat exchange with the coolant liquid in the cooling tower on water cooled condenser, has reduced the ineffective circulation of refrigerant, also improves the utilization efficiency of coolant liquid simultaneously.

In order to achieve the above object, the utility model provides a following technical scheme:

a condensation heat recovery regeneration low dew point dehumidifier comprises a machine body; the rotating wheel assemblies are at least one group, and the rotating wheel assemblies are arranged in the machine body; a refrigeration assembly disposed within the body; the cooling assembly is connected with the refrigerating assembly; the refrigeration assembly comprises a compressor unit, an evaporator and a regenerative condenser; the cooling assembly comprises a water-cooled condenser and a cooling tower; one end of the water-cooled condenser is communicated with the evaporator, and the other end of the water-cooled condenser is communicated with the regenerative condenser; the cooling tower is communicated with the water-cooled condenser and is used for adjustably transmitting cooling liquid in the cooling tower into the water-cooled condenser; the refrigerant in the refrigeration assembly circularly flows in the water-cooled condenser, the evaporator, the compressor unit and the regenerative condenser and contacts with the cooling liquid in the water-cooled condenser; through communicating through the pipeline between each part with refrigeration assembly, refrigerant in the pipeline can be in each part circulation flow, make the refrigerant carry out the heat exchange in refrigeration assembly, refrigerant after the heat exchange transmits and carries out gas-liquid exchange with the coolant liquid in the water cooled condenser, and the flow of coolant liquid sets up to adjustable between water cooled condenser and cooling tower, thereby the efficiency of heat exchange between refrigerant and the coolant liquid has been improved, the waste of coolant liquid in the use has been reduced, the utilization ratio of coolant liquid has been improved, it is more energy-conserving high-efficient.

Furthermore, the regenerative condenser comprises a first-stage regenerative condenser and a second-stage regenerative condenser which are arranged on a pipeline communicating the water-cooled condenser and the compressor unit in parallel; for the mode of establishing ties through the pipeline respectively with the condenser of regenerating on the pipeline between intercommunication compressor unit and the water-cooled condenser, parallelly connected mode structurally optimizes more simply, has reduced the complexity of internal connection pipeline, and the drive mode through compressor unit not only makes things convenient for the circulation flow of refrigerant, has improved the utilization ratio of refrigerant moreover, also improves the heat exchange efficiency between refrigerant and the air simultaneously.

Furthermore, the evaporator comprises a fresh air evaporator, an air mixing evaporator and an air supply evaporator which are arranged on a pipeline communicated between the water-cooled condenser and the compressor unit; the evaporator is arranged to enable air and a refrigerant to exchange heat, and the refrigerant absorbs heat in the air to achieve the purpose of air cooling.

Furthermore, the machine body comprises an upper layer box body, the upper layer box body is provided with a fresh air port, and a fresh air valve is arranged at the fresh air port in an extending manner towards the outer side of the upper layer box body; the lower-layer box body is provided with an air supply outlet, and an air supply air valve is arranged at the air supply outlet and extends towards the outer side of the lower-layer box body; the fresh air valve is arranged to conveniently adjust the air volume of fresh air entering the dehumidifier, the air supply valve is arranged to adjust the air volume exhausted from the dehumidifier, and the indoor air pressure balance is conveniently kept by adjusting the air volume entering and exhausting the dehumidifier.

Further, the rotating wheel assemblies are 2 groups and comprise a first rotating wheel assembly and a second rotating wheel assembly; the first rotating wheel assembly is arranged on one side, close to the fresh air inlet, of the upper-layer box body and comprises a dehumidifying rotating wheel and a rotating wheel frame; the second rotating wheel assembly is arranged on one side of the lower layer box body close to the air supply outlet and comprises a dehumidifying rotating wheel and a rotating wheel frame; the air entering the machine body is dehumidified by arranging the two rotating wheel assemblies, and the effect is better.

Furthermore, the dehumidifying rotating wheel comprises four partitions which are uniformly distributed in the circumferential direction, and moisture absorbent carrier layers which are arranged in a stacked mode are arranged in the partitions; the moisture absorbent carrier layers in any two adjacent subareas are vertical to each other; because the dehumidification runner is in the in-process that uses and the regeneration is gone on in step, consequently evenly divide into four subregion with the runner, one of them subregion is as regeneration area, and other three subregion are as the absorption area, and it is more reasonable to distribute, and the dehumidification effect of dehumidification runner is better.

Furthermore, a control cabinet is arranged in the upper-layer box body; the compressor unit is arranged in the lower-layer box body and comprises a plurality of compressors provided with oil balancers; the oil balancer is communicated with a power supply in the control cabinet by arranging a transformer; the transformer is connected between the power supply and the oil balancer, so that the interference of the power supply to the oil balancer is reduced, and the oil balancer can work more accurately.

Furthermore, a liquid inlet pipe and a liquid outlet pipe for the flowing of the cooling liquid are arranged between the water-cooled condenser and the cooling tower; the liquid inlet pipe is provided with an adjusting device which is communicated with the liquid outlet pipe and is used for adjusting the split ratio of the cooling liquid; set up adjusting device and flow separately the in-process that flows into water cooled condenser on following the cooling tower with the coolant liquid, because other refrigerants in the water cooled condenser are not enough to carry out the heat exchange with all coolant liquids, consequently wasted the coolant liquid that does not carry out the heat exchange, and set up adjusting device, then utilize the coolant liquid at the at utmost according to the poplar strength of refrigerant, reduced the waste of coolant liquid, it is more energy-conserving high-efficient.

Further, the adjusting device is connected with the water-cooled condenser; the refrigerant is gaseous when entering the water-cooled condenser, so the adjusting device is connected with the water-cooled condenser, and the flow dividing proportion of the cooling liquid is adjusted according to the pressure intensity of the water-cooled condenser, so that the aim of more efficient utilization can be achieved in the circulation process of the cooling liquid, and the aim of energy conservation is also achieved.

Preferably, the machine body is also provided with a primary regeneration assembly which comprises a regeneration fan and a regeneration air mixing box; the regeneration fan, the regeneration air mixing box and the primary regeneration condenser form an air mixing channel which penetrates through the side wall of the lower-layer box body; two ends of the air mixing channel are connected to two sides of the rotating wheel assembly arranged in the lower layer box body; the purpose of dehumidification is realized to one-level dehumidification runner through setting up one-level regeneration subassembly.

The technical effects brought by the technical scheme are as follows:

the utility model discloses in, through with through the pipe connection between water-cooled condenser, evaporimeter, compressor unit and the regeneration condenser for the refrigerant can transmit and carry out the heat exchange to every component of connecting on the pipeline in, and the circulation of refrigerant in the pipeline flows simultaneously, has improved the heat exchange efficiency between refrigerant and the air. The refrigerant is in a gaseous state when being transmitted to the water-cooled condenser due to the heat absorption of the refrigerant in the evaporator and the action of the compression assembly; the coolant liquid is transmitted to the water-cooled condenser from the cooling tower, and in the water-cooled condenser, the refrigerant is in gas-liquid contact with the coolant liquid, heat exchange is carried out, so that the heat of the refrigerant is released, and the capacity of the refrigerant is recovered, thereby realizing the regeneration of the refrigerant, facilitating the recycling of the refrigerant, improving the use efficiency of the refrigerant in each circulation process and reducing the energy waste of the refrigerant in the use process. In addition, the flow of the cooling liquid between the cooling tower and the water-cooled condenser is adjustable, so that the flow of the cooling liquid can be adjusted according to the actual pressure of the refrigerant in the water-cooled condenser, the efficiency is higher during gas-liquid exchange of the refrigerant and the cooling liquid, the utilization rate of the cooling liquid is higher, and the energy conservation and the high efficiency are realized.

[ description of the drawings ]

FIG. 1 is a general assembly diagram of a dehumidifying fan according to the present invention;

FIG. 2 is a partial assembly view of the dehumidifying fan according to the present invention;

FIG. 3 is a schematic flow chart of the dehumidifying fan according to the present invention;

fig. 4 is a schematic front view of a wheel assembly according to embodiment 1 of the present invention;

fig. 5 is a rear view schematically showing a wheel assembly according to embodiment 1 of the present invention;

fig. 6 is a schematic view of a desiccant rotor according to embodiment 1 of the present invention;

fig. 7 is a schematic view of a desiccant rotor according to embodiment 2 of the present invention;

fig. 8 is a circuit diagram of the transformer of the present invention;

FIG. 9 is a rear view of the dehumidifier of the present invention, in which a cooling tower is installed outside the dehumidifier body and connected to the water-cooled condenser through the cooperation of a liquid inlet pipe and a liquid outlet pipe;

FIG. 10 is a schematic view of the connection of the adjusting device of the present invention, wherein the adjusting device is connected to the liquid inlet pipe and the liquid outlet pipe;

wherein, 1, the body; 11. an upper layer box body; 111. A fresh air port; 112. a fresh air valve; 113. a transformer; 114. a control cabinet; 12. a lower layer box body; 121. an air supply outlet; 122. An air supply valve; 2. a rotating wheel assembly; 21. a wheel carrier; 211. an air inlet; 212. an air outlet; 213. a regeneration channel air outlet pipe; 214. a regeneration channel air inlet pipe; 215. a support bar; 2151. a rotating member; 22. a dehumidification rotating wheel; 31. a compressor unit; 311. a compressor; 312. An oil balancer; 321. A fresh air evaporator; 322. A mixed air evaporator; 323. An air supply evaporator; 331. a first-stage regenerative condenser; 332. a secondary regenerative condenser; 4. a cooling assembly; 41. A water-cooled condenser; 42. a cooling tower; 43. A liquid inlet pipe; 44. a liquid outlet pipe; 45. an adjustment device; 51. a primary regenerative heater; 52. a secondary regenerative heater; 6. a regenerative fan; 7. regenerating the air mixing box; 8. a medium efficiency filter assembly; 9. and (4) processing the fan.

[ detailed description ] embodiments

In order to make the objects, technical solutions and advantages of the present invention more clear, the present invention is further described in detail through the accompanying drawings and embodiments. It should be understood, however, that the description herein of specific embodiments is only intended to illustrate the invention and not to limit the scope of the invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

In the description of the present invention, it should be noted that, for the orientation words, such as the terms "upper", "lower", "left", "right", "axial", "radial", "vertical", etc., indicating the orientation and positional relationship based on the orientation and positional relationship shown in the drawings, is only for convenience of description and simplification of the description, but not for indicating or implying that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific scope of the present invention.

Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, the definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and in the description of the invention, "a plurality" means two or more unless specifically defined otherwise.

Unless otherwise expressly stated or limited, the terms "assembled", "connected" and "connected" are used broadly and are intended to be inclusive, e.g., fixed, detachable, or integral; or may be a mechanical connection; the two elements can be directly connected or connected through an intermediate medium, and the two elements can be communicated with each other. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.

Example 1

With reference to fig. 1, 2 and 3, the utility model discloses a condensation heat recovery regeneration low dew point dehumidifier, which comprises a machine body 1, a rotating wheel component 2 arranged in the machine body 1, a refrigeration component and a cooling component 4 connected with the refrigeration component; the dehumidifier is characterized in that the machine body 1 comprises an upper layer box body 11 and a lower layer box body 12, the whole machine body 1 is arranged into two box bodies instead of a straight gas transmission channel, the length of the whole dehumidifier is reduced, the space occupied by the installation of the dehumidifier is reduced, and a fresh air port 111 and an air supply port 121 are respectively arranged on the side surfaces of the upper layer box body 11 and the lower layer box body 12 which are at the same side; the fresh air port 111 is provided with the fresh air valve 112 in an outward extending mode, the air supply port 121 is provided with the air supply valve 122 in an outward extending mode, and the air supply amount of air inlet and the air supply amount of air outlet are controlled better through the air valves, so that the purpose of adjusting indoor air pressure balance is achieved, and indoor comfort is improved.

In the actual dehumidification process, the rotary wheel dehumidification technology is often adopted for the requirement of ultralow humidity below 7 ℃, and the general dehumidification rotary wheel 22 can meet the requirement, but when the requirement of ultralow humidity with low dew point below 60 ℃ is met, a cold blowing area is added on the rotary wheel to assist a regeneration area to cool a high-temperature rotary wheel just rotating out of the regeneration area and treat the cross wind and leakage of the regeneration area, so that the possibility of low dew point is created; therefore, at least 1 rotating wheel assembly 2 can be arranged in the rotary dehumidifier, as shown in fig. 1, in the utility model, because the dehumidifier needs to reach low dew point, the rotating wheel assemblies 2 are arranged into 2 groups, including the first rotating wheel assembly arranged in the upper box 11 and the second rotating wheel assembly arranged in the lower box 12, two rotating wheel assemblies 2 are arranged in an upper-lower stacking manner, as shown in fig. 4 and 5, the rotating wheel assemblies comprise a rotating wheel frame 21 and a dehumidifying rotating wheel 22 arranged on the rotating wheel frame 21, the rotating wheel frame 21 is of a rectangular frame structure, the upper side and the lower side of the rotating wheel assembly are arranged in an unclosed manner, the dehumidifying rotating wheel 22 is convenient to install, an air inlet 211 and an air outlet 212 which are arranged in a circular manner are arranged on the rotating wheel frame 21, and the air inlet 211 and the air outlet 212 are respectively provided with a regeneration channel air outlet 213; meanwhile, the air inlet 211 and the air outlet 212 are provided with the supporting rods 215, the center of the supporting rod 215 is provided with the rotating member 2151 coinciding with the rotation center of the desiccant rotor 22, when the desiccant rotor 22 is installed in the rotor frame 21, the two rotating members 2151 are pressed inward to fit the rotation center of the desiccant rotor 22, and the desiccant rotor 22 is installed on the rotor frame 21.

As shown in fig. 6, since the moisture absorbent carrier layers of any adjacent partitions on the dehumidifying rotor 22 are arranged perpendicular to each other in the present invention, the structural strength of the dehumidifying rotor 22 is high at the rotation center, when the rotating member 2151 tightly contacts the moisture absorbent carrier layers to press and fix the dehumidifying rotor 22 inwards, the situation that the dehumidifying rotor 22 is damaged due to too large pressing force during use is avoided; in addition, in the first rotating wheel assembly, the dehumidifying rotating wheel 22 is a high-efficiency regeneration dehumidifying rotating wheel and comprises a regeneration part and a moisture absorption part, and in the second rotating wheel assembly, the dehumidifying rotating wheel 22 is a low-temperature high-efficiency regeneration dehumidifying rotating wheel and comprises a regeneration part, a moisture absorption part and a cold blowing part; a cold blowing part is arranged on the dehumidifying rotating wheel 22 in the second rotating wheel component and is used for cooling the dehumidifying rotating wheel 22 which just rotates out of the regeneration area, so that the aim of low dew point is fulfilled, and the whole dehumidifying process is more energy-saving and efficient; in addition, the rotating wheel assembly 2 further comprises a driving device, the driving device is a motor, and the driving device is connected with the dehumidifying rotating wheel 22 through a transmission belt, so that the dehumidifying rotating wheel 22 is driven to move; for set up the pivot for the rotation center at dehumidification runner 22 and pass through drive arrangement drive pivot and rotate dehumidification runner 22, adopt the drive belt cover to establish and drive dehumidification runner 22 pivoted mode on the outer wall of dehumidification runner 22, reduced the inside extrusion force that receives of dehumidification runner 22, prevent that dehumidification runner 22 is impaired.

In general, the desiccant rotor 22 is divided into a regeneration section and an absorption section, so the desiccant rotor 22 includes at least two sections, but the ratio of the absorption section to the regeneration section is preferably 3: 1, in this embodiment, the desiccant wheel 22 is circumferentially and uniformly divided into four partitions, wherein 3 partitions are the moisture absorption portion and 1 partition is the regeneration portion, and the four partitions are set to meet the appropriate proportion, and meanwhile, the structural strength of the desiccant wheel 22 is higher in the present invention; each subarea comprises moisture absorption agent carrier layers which are arranged in a stacked mode, and the moisture absorption agent carrier layers on any two subareas are perpendicular to each other; compared with the partition by adopting the partition frame, the partition is directly carried out by the distribution of the moisture absorbent carrier layer, and the available dehumidification area on the whole dehumidification rotating wheel 22 is utilized to the maximum extent; as shown in fig. 5, the moisture absorbent carrier layers in the upper right partition of the desiccant rotor 22 are vertically and parallelly stacked, and the moisture absorbent carrier layers on two adjacent partitions are vertically arranged; set up the hygroscopic agent carrier layer to parallel stack up the setting, not only realized the purpose of the moisture that carries in the high-efficient absorption gas, also be convenient for assemble into dehumidification runner 22, hygroscopic agent carrier layer on arbitrary two adjacent subregion is perpendicular simultaneously, guaranteed to have very firm structural strength in rotation center department, because in the utility model discloses in not adopting the subregion frame to carry out the subregion, the subregion mode adopts realizes the subregion through the distribution mode of hygroscopic agent carrier layer self, consequently must guarantee that the structural strength of rotation center department of dehumidification runner 22 is high to when setting up rotating member 2151 extrusion dehumidification runner 22's rotation center on bracing piece 215 is fixed with it, have stable structure, avoided dehumidification runner 22 to appear the phenomenon of damage when rotating; fig. 5 shows one of the positions during the rotation of the desiccant rotor 22, which is for better understanding that the desiccant carrier layer is vertically distributed between two adjacent sectors; as shown in fig. 4, the regeneration channel inlet pipe 213 and the regeneration channel outlet pipe 214 cooperate with one of the partitions of the desiccant rotor 22, i.e., the regeneration portion, to form a regeneration region, and the effect of disposing the regeneration region on the upper portion of the rotor frame 21 is the best; when the gas passes through the desiccant rotor 22 from the gas inlet 211, the gas can only enter the moisture absorption part which occupies three quarters of the desiccant rotor 22 due to the blocking of the gas outlet pipe 214 of the regeneration channel, and the moisture carried in the gas is absorbed on the moisture absorbent carrier layer; because the dehumidifying rotor 22 is constantly rotating, and the gas entering the regeneration zone is heated by the regeneration heater, the temperature is raised, therefore, when the heated gas enters the regeneration part of the dehumidifying rotor 22 through the regeneration channel inlet pipe 213, the high temperature air passes through the moisture absorbent carrier layer which absorbs moisture and tends to be saturated, so that the moisture is desorbed from the moisture absorbent carrier layer, thereby the dehumidifying rotor 22 recovers the dehumidifying capability, the above process is continuously carried out in the process from the starting to the ending of the dehumidifier, thereby ensuring that the dehumidifier has good dehumidifying performance, and the dehumidifying effect is better.

As shown in fig. 2, the refrigeration component is connected to the cooling component 4, wherein the refrigeration component includes a compressor unit 31, an evaporator, and a regenerative condenser, the cooling component 4 includes a water-cooled condenser 41 and a cooling tower 42, a refrigerant in the refrigeration component circulates in the water-cooled condenser 41, the evaporator, the compressor unit 31, and the regenerative condenser, and a coolant in the cooling component 4 circulates between the water-cooled condenser 41 and the cooling tower 42, so that, through two circulations, the refrigerant and the coolant are in gas-liquid contact in the water-cooled condenser 41 to perform heat exchange, and in a transmission process of the refrigerant, the refrigerant passing through the evaporator and the compressor unit 31 is in a gaseous state, so that water is used as a cooling medium in the water-cooled condenser 41, so that the high-temperature and high-pressure gaseous refrigerant is condensed, and the purpose of recycling the refrigerant is achieved.

With reference to fig. 2 and 3, the compressor unit 31 is disposed on one side of the lower case 12 away from the air supply outlet 121, and is structured with a plurality of compressors 311 disposed in parallel, and 3 compressors 311 disposed in parallel are used for providing power required for the circulation of the refrigerant in the pipeline in the dehumidifier, so that the refrigerant can better circulate in the pipeline, and the refrigerant is guaranteed to have higher fluidity in the whole refrigeration assembly, thereby ensuring better heat exchange effect between the refrigerant and air; as shown in fig. 1 and 8, each compressor 311 is provided with an oil balancer 312, the oil balancer 312 is connected to a power supply assembly, the power supply assembly is arranged in the control cabinet 114 on the side of the upper-layer box body 11 far away from the fresh air inlet 111, and the control cabinet 114 and the compressor unit 31 are arranged in an up-and-down stacked manner, so that the structure of the whole dehumidifier is more reasonable; the oil balancer 312 is used for monitoring and ensuring the correct oil level in the compressor, so that the regulation precision requirement is high, in the actual use process, the oil balancer 312 is easily interfered by strong electromagnetic radiation generated on an output line when a frequency converter in a power supply assembly outputs energy, and the normal operation of peripheral electrical elements is influenced, therefore, a transformer 113 is arranged between the power supply assembly and the oil balancer 312, the transformer 113 is arranged in the control cabinet 114, the interference of the power supply assembly on electrical elements such as the oil balancer 312 is reduced, the working efficiency of the dehumidifier is improved, the service life of the electrical elements is prolonged due to the fact that the electrical elements are easily interfered in the use process, the service life of the electrical elements is prolonged, the service time of the dehumidifier is longer, the replacement frequency of internal electrical elements is reduced, the failure rate is reduced, and the quality of the dehumidifier is improved, has more market competitiveness.

As shown in fig. 2 and fig. 3, the evaporators are arranged in parallel on the pipeline connecting the water-cooled condenser 41 and the compressor unit 31, and are arranged to exchange heat between the low-temperature condensed refrigerant and the outside air through the evaporators, and the refrigerant absorbs heat in the air and then is gasified, thereby achieving the refrigeration effect; generally, the evaporator includes two parts, namely a heating chamber and an evaporation chamber, the heating chamber supplies heat required by evaporation to the liquid to promote boiling and gasification of the liquid, the evaporation chamber is completely separated into a gas phase and a liquid phase, the evaporator adopted in the embodiment is a fin-type evaporator, the fin-type evaporator is utilized to enable the air to exchange heat with a refrigerant, and the refrigerant absorbs the heat in the air and then enables the air to be cooled. As shown in fig. 3, the evaporators connected in parallel to the pipeline are a fresh air evaporator 321, a mixed air evaporator 322, and an air supply evaporator 323, respectively, the purpose of the fresh air evaporator 321 is to reduce the temperature of the gas transmitted from the fresh air port 111 to the moisture absorption part of the first rotating wheel assembly, so that the moisture in the gas is condensed to a certain extent, thereby ensuring the dehumidification effect of the first rotating wheel assembly; the mixed air evaporator 322 is arranged to exchange heat with air through a refrigerant in the mixed air evaporator 322, so that the temperature of the air is reduced, more moisture is condensed, and the dehumidification effect of the second rotating wheel assembly is improved; the supply air evaporator 323 is provided to reduce the temperature of the air by exchanging heat between the refrigerant in the supply air evaporator 323 and the air, and the supply air evaporator 323 is provided to reduce the temperature of the air by increasing the temperature of the air after passing through the moisture absorption part of the second rotating wheel assembly, so that the temperature of the air outside the dehumidifier can be maintained at a comfortable level.

Referring to fig. 2 and 3, the regenerative condenser includes a first-stage regenerative condenser 331 and a second-stage regenerative condenser 332, wherein the first-stage regenerative condenser 331 is disposed on an outer sidewall of the lower tank 12 and is configured as a finned condenser, the second-stage regenerative condenser 332 is disposed in the lower tank 12 and is located between the supply air valve 122 and the second rotating wheel assembly, and is also configured as a finned condenser; compared with the mode of connecting the regenerative condensers between the compressor unit 31 and the water-cooled condenser 41 in series through pipelines, the parallel connection mode is more optimized and simpler in structure, the complexity of internal connection pipelines is reduced, and according to the circulation direction of the refrigerant in the pipelines, the refrigerant is firstly transmitted into the primary regenerative condenser 331 and then transmitted into the secondary regenerative condenser 332, and because the refrigerant continuously circulates and flows, the temperature of the refrigerant is reduced after the refrigerant on the primary regenerative condenser 331 exchanges heat with gas in the actual dehumidification process, but not all the refrigerant transmitted into the primary regenerative condenser 331 exchanges heat with the gas, so that the refrigerant is cooled; since the first-stage regenerative condenser 331 and the second-stage regenerative condenser 332 are disposed in parallel on the same pipeline, the refrigerant that does not exchange heat with the gas in the first-stage regenerative condenser 331 is transferred to the second-stage regenerative condenser 332, and exchanges heat with the gas in the second-stage regenerative condenser 332; the process fully utilizes the refrigerant, improves the heat exchange efficiency of the refrigerant and gas in the whole circulation flow process, reduces the ineffective circulation of the refrigerant, namely reduces the energy consumption, and is more energy-saving and efficient. In addition, as shown in fig. 1, a regeneration fan 6 and a regeneration air mixing box 7 are further disposed on the machine body 1, an air mixing channel penetrating through the side wall of the lower box 12 is formed by the primary regeneration condenser 331, the regeneration fan 6 and the regeneration air mixing box 7, and two ends of the air mixing channel are respectively connected to two sides of the second rotating wheel assembly.

As shown in fig. 3, a primary regenerative heater 51 is provided between the primary regenerative condenser 331 and the first rotating wheel assembly, and a secondary regenerative heater 52 is provided between the secondary regenerative condenser 332 and the second rotating wheel assembly; in the utility model, two regenerative heaters are both electrically heated, by setting the regenerative heaters, each regenerative condenser is connected with the regeneration area of the corresponding wheel assembly 2 through the regenerative heater, which is used for heating the gas entering the regeneration area, because the gas is heated in the regenerative condenser and the best regeneration effect of the dehumidifying wheel 22 can not be achieved, namely, the temperature of the air is not high enough, the moisture on the dehumidifying wheel 22 can not be fully desorbed, therefore, the regenerative heaters are arranged between the regenerative condensers and the regeneration areas on the dehumidifying wheel 22, the gas entering the regeneration areas of the dehumidifying wheel 22 is secondarily heated, the gas keeps a high temperature state and enters the regeneration areas, the moisture adsorbed on the moisture absorbent carrier layer is fully desorbed by the high temperature gas, the humid air taking away the moisture is discharged by the regenerative fan 6, so that the dehumidifying wheel 22 recovers the best moisture absorption capacity, thereby completing the regeneration process, the dehumidifier has the advantages that the optimal dehumidification effect is stably achieved in the continuous operation process of the dehumidifier, and the use effect of the whole dehumidifier is improved.

As shown in fig. 9 and 10, a liquid inlet pipe 43 and a liquid outlet pipe 44 are provided between the water-cooled condenser 41 and the cooling tower 42, so that the cooling liquid circulates between the water-cooled condenser 41 and the cooling tower 42; the water-cooled condenser 41 is used for relatively low condensing temperature, which is beneficial to the refrigerating capacity and the running economy of the compressor unit 31; in this embodiment, the water-cooled condenser 41 is a vertical shell-and-tube condenser, the cooling water flows directly and has a high flow rate, a common water source can be used as the cooling water, and the cooling water can be recycled for many times, so that the cost is saved; the cooling tower 42 is generally installed outside the dehumidifier body 1 because it has a large volume and requires a certain height.

When the refrigerant is transmitted to the water-cooled condenser 41 through the compressor unit 31 in the process of each circulation flow of the refrigerant in the water-cooled condenser 41, the evaporator, the compressor unit 31 and the regenerative condenser, the refrigerant is a high-temperature and high-pressure gaseous medium, and the cooling liquid circulating between the cooling tower 42 and the water-cooled condenser 41 is a liquid medium, so that the refrigerant releases heat and absorbs heat with the cooling liquid in the heat exchange process of gas-liquid contact in the water-cooled condenser 41, the temperature of the refrigerant is reduced, the cooling effect of the refrigerant is recovered, and the air can be continuously absorbed in the whole circulation flow process of the refrigerant.

In the actual dehumidification process, in the gas-liquid contact heat exchange process of the cooling liquid and the refrigerant, the heat in the gaseous refrigerant is not enough to exchange heat with all the cooling liquid, the utilization of the cooling liquid is not complete, the utilization rate of the cooling liquid is low, and the energy is wasted; therefore, the liquid inlet pipe 43 is provided with the adjusting device 45, the model number of which is VB7300 series, the adjusting device 45 is of a three-way structure, two ports of the adjusting device 45 are connected to the liquid inlet pipe 43 and are used for transmitting the cooling liquid from the cooling tower 42 to the water-cooled condenser 41, the other port of the adjusting device 45 is connected to the liquid outlet pipe 44, the adjusting device 45 is also connected to the water-cooled condenser 41, and the heat exchange between the cooling liquid and the refrigerant is carried out in the water-cooled condenser 41, so that the pressure intensity of the gaseous refrigerant in the water-cooled condenser 41 is measured, the adjusting device 45 is controlled according to the pressure intensity to adjust the split ratio of the cooling liquid, and the highest utilization rate of the cooling liquid is ensured in the heat exchange process of the refrigerant and the cooling liquid. Therefore, in the actual using process, the adjusting device 45 is arranged to split the cooling liquid according to the pressure of the gaseous refrigerant in the water-cooled condenser 41, wherein one part of the split cooling liquid enters the water-cooled condenser 41 to exchange heat with the refrigerant, and the other part of the split cooling liquid returns to the cooling tower 42 from the liquid outlet pipe 44 to wait for the next circulation, so that the maximum utilization of the cooling liquid is realized, the waste of the cooling liquid is reduced, and the energy conservation and the high efficiency are realized.

In the present invention, as shown in fig. 1-10, the whole dehumidification process of the gas in the dehumidifier is: a fresh air valve 112 at a fresh air inlet 111 of the dehumidifier is opened, fresh air enters, and passes through a fresh air evaporator 321, the air exchanges heat with a refrigerant in the fresh air evaporator 321, and the temperature of the air is reduced; the cooled air is transmitted to the first rotating wheel assembly, the air passes through a dehumidification part on the first rotating wheel assembly, moisture in the air is adsorbed on a moisture absorbent carrier layer, a regeneration part is arranged on the first rotating wheel assembly, and the temperature of the gas transmitted to the regeneration part is higher than that of the gas in the moisture absorption part, so that when high-temperature air is transmitted to the regeneration area, part of high-temperature gas passes through a return air valve to be converged with low-temperature air in the first rotating wheel assembly, and the mixed gas formed after convergence is transmitted to an intermediate-effect filtering assembly 8 through the traction effect of a processing fan 9 to be filtered, so that impurities in the gas are removed; the filtered gas is transmitted to the air mixing evaporator 322, the gas exchanges heat with the refrigerant in the air mixing evaporator 322, the temperature of the gas is reduced, one part of the cooled gas is transmitted to the dehumidification part on the dehumidification rotating wheel 22 of the second rotating wheel assembly, the gas passing through the dehumidification part is transmitted to the air supply evaporator 323, the gas exchanges heat with the refrigerant in the air supply evaporator 323, the temperature of the gas is reduced, and the gas passes through the air supply evaporator 323 and is transmitted to the air supply outlet 121; the other part of the gas is transmitted to a cold blowing part of the second rotating wheel assembly, the temperature rises, the heated gas is transmitted to a primary regeneration condenser 331, the gas and a refrigerant in the primary regeneration condenser 331 exchange heat, the refrigerant absorbs heat in an evaporator to form a gas state and is transmitted to the primary regeneration condenser 331 through a compressor unit 31, the refrigerant has higher temperature, the gas passing through the cold blowing part is contacted with the refrigerant in the primary regeneration condenser 331 and then rises in temperature, the heated gas is further heated through a primary regeneration heater 51, at the moment, the gas subjected to twice heating is transmitted to a regeneration part on a dehumidifying rotating wheel 22 of the dehumidifying second rotating wheel assembly, the moisture adsorbed on a moisture absorbent carrier layer is removed, and the purpose of regeneration is achieved; the gas passing through the regeneration area absorbs moisture, the temperature is reduced, the gas is transmitted to a secondary regeneration condenser 332, the gas exchanges heat with a refrigerant in the secondary regeneration condenser 332, the air temperature is increased, the temperature of the heated gas is raised again through the electric heating of a secondary regeneration heater 52, the high-temperature gas is transmitted to a moisture absorption part on the dehumidification rotating wheel 22 of the first rotating wheel assembly at the moment, the moisture absorbed on a moisture absorbent carrier layer is removed, and the gas passing through the regeneration area of the first rotating wheel assembly is exhausted through a regeneration fan 6; in the process that high-temperature gas enters the dehumidification area of the first rotating wheel assembly, one part of the high-temperature gas is transmitted to the air mixing evaporator 322 through the return air valve to form a cycle, the efficiency in the dehumidification process is improved, the waste is reduced, and the other part of the high-temperature gas is discharged from the air supply outlet 121 through the regeneration fan 6.

Example 2

As shown in fig. 7, the desiccant rotor 22 includes four segments, wherein the desiccant carrier layer on each adjacent segment is vertically disposed and combined to form a square stacked from inside to outside, and the rotating member 2151 generates inward extrusion force on the desiccant rotor 22 during the process of fixing the desiccant rotor 22, so as to maintain sufficient structural strength of the desiccant carrier layer, ensure normal use of the desiccant rotor 22, and avoid damage to the desiccant rotor 22.

The rest of the structure is the same as that of embodiment 1, and details are not repeated herein.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the present invention.

Claims (10)

1. A condensation heat recovery regeneration low dew point dehumidifier is characterized by comprising a machine body (1);

the rotating wheel assemblies (2) are at least one group, and the rotating wheel assemblies (2) are arranged in the machine body (1);

a refrigeration assembly arranged in the machine body (1);

the cooling assembly (4), the cooling assembly (4) is connected with the refrigerating assembly;

wherein, the refrigeration component comprises a compressor unit (31), an evaporator and a regenerative condenser;

the cooling assembly (4) comprises a water-cooled condenser (41) and a cooling tower (42);

one end of the water-cooled condenser (41) is communicated with the evaporator, and the other end of the water-cooled condenser is communicated with the regeneration condenser; the cooling tower (42) is communicated with the water-cooled condenser (41) and is used for adjustably transmitting cooling liquid in the cooling tower (42) into the water-cooled condenser (41);

and a refrigerant in the refrigeration assembly circularly flows in the water-cooled condenser (41), the evaporator, the compressor unit (31) and the regeneration condenser and is in contact with the cooling liquid in the water-cooled condenser (41).

2. The dehumidifier of claim 1 wherein the regenerative condenser comprises a primary regenerative condenser (331) and a secondary regenerative condenser (332) disposed in parallel on a conduit connecting the water cooled condenser (41) and the compressor unit (31).

3. The dehumidifier of claim 1 wherein the evaporator comprises a fresh air evaporator (321), a mixed air evaporator (322) and a supply air evaporator (323) provided on a pipe connecting the water-cooled condenser (41) and the compressor unit (31).

4. The dehumidifier of claim 2, wherein the machine body (1) comprises an upper box body (11), the upper box body (11) is provided with a fresh air inlet (111), and a fresh air valve (112) is arranged at the position of the fresh air inlet (111) and extends to the outer side of the upper box body (11); the lower-layer box body (12), the lower-layer box body (12) is provided with an air supply outlet (121), and an air supply air valve (122) is arranged at the air supply outlet (121) and extends towards the outer side of the lower-layer box body (12).

5. Dehumidifier according to claim 4 wherein the wheel assemblies (2) are in 2 groups comprising a first wheel assembly and a second wheel assembly; the first rotating wheel assembly is arranged on one side, close to the fresh air opening (111), of the upper layer box body (11) and comprises a dehumidifying rotating wheel (22) and a rotating wheel frame (21); the second rotating wheel assembly (2) is arranged on one side, close to the air supply outlet (121), of the lower-layer box body (12) and comprises a dehumidifying rotating wheel (22) and a rotating wheel frame (21).

6. The dehumidifier of claim 5 wherein the desiccant rotor (22) includes four segments uniformly circumferentially spaced, each segment having a desiccant carrier layer disposed thereon in a stacked arrangement; the moisture absorbent carrier layers in any two adjacent partitions are perpendicular to each other.

7. The dehumidifier of claim 4 wherein a control cabinet (114) is provided in the upper chamber (11); the compressor unit (31) is arranged in the lower-layer box body (12) and comprises a plurality of compressors (311) provided with oil balancers (312); the oil balancer (312) is communicated with a power supply in the control cabinet (114) through a transformer (113).

8. The dehumidifier of claim 1 wherein a liquid inlet pipe (43) and a liquid outlet pipe (44) for the flow of the cooling liquid are provided between the water-cooled condenser (41) and the cooling tower (42); and the liquid inlet pipe (43) is provided with an adjusting device (45) which is communicated with the liquid outlet pipe (44) and is used for adjusting the flow dividing proportion of the cooling liquid.

9. Dehumidifier according to claim 8 wherein said regulating means (45) is connected to said water cooled condenser (41).

10. The dehumidifier of claim 4 wherein the body (1) is further provided with a primary regeneration assembly comprising a regeneration fan (6) and a regeneration air mixing box (7); the regeneration fan (6), the regeneration air mixing box (7) and the primary regeneration condenser (331) form an air mixing channel which penetrates through the side wall of the lower-layer box body (12).

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