CN209893593U

CN209893593U - Distributed fan dehumidification system

Info

Publication number: CN209893593U
Application number: CN201920380761.2U
Authority: CN
Inventors: 刘柏松; 张新振; 范旭东; 吴洪勇; 冯栋; 罗朗
Original assignee: Jiangsu Zhongjiexin Environmental Engineering Co Ltd
Current assignee: Jiangsu Zhongjiexin Environmental Engineering Co Ltd
Priority date: 2019-03-25
Filing date: 2019-03-25
Publication date: 2020-01-03
Anticipated expiration: 2029-03-25

Abstract

The utility model relates to a distributed fan dehumidification system, which comprises a fresh air unit and an air inlet channel connected with the fresh air unit, wherein the air inlet channel is connected with an air supply channel; air return channels are arranged on two sides of the air supply channel, and a dry coil pipe is arranged at the joint of the upper part of the air return channel and the air supply channel; the bottom of the air supply channel is provided with a plurality of independent dehumidification units; the lower part of the air return channel is connected with a bottom air return channel; the dehumidifying unit is arranged on the keel at the bottom of the air supply channel, the size of the dehumidifying unit is matched with that of the keel at the bottom of the air supply channel, the dehumidifying unit comprises a box body, a fan and a dehumidifying block, the fan is arranged in the box body in the middle, the dehumidifying block is arranged below the box body, and a dehumidifying agent is arranged in the dehumidifying block; the utility model has the advantages of it is following: 1) the fresh air unit replaces a dehumidification unit, so that the space requirement and the energy consumption of a machine room are reduced; 2) and the distributed fan dehumidification units are adopted, so that most air-conditioning air pipes are reduced, and the investment can be effectively reduced when the room layout is required.

Description

Distributed fan dehumidification system

Technical Field

The utility model relates to an air conditioning equipment, especially a distributing type fan dehumidification system.

Background

In industrial production, many workshops have humidity requirements, such as medical cleaning workshops, semiconductor production workshops, textile production workshops and the like. An existing workshop dehumidification system is generally processed in a centralized mode through a dehumidification unit 11 as shown in fig. 1, namely fresh air and return air are dehumidified through a rotating wheel, and then low-humidity air is conveyed to end equipment of an air conditioner through an air supply pipeline, so that a dehumidification effect of a space to be dehumidified is achieved. Although this technology is mature, it has the following disadvantages: 1) the dehumidifier unit needs to bear fresh air and all moisture loads generated indoors, on one hand, the appearance structure of a rotating wheel in the dehumidifier unit is large, and for a machine room with a low floor height, the unit installation is limited by space and is difficult to install; on the other hand, the functional section matched with the rotating wheel is complex, and because the rotating wheel has a regeneration area in the dehumidification process, the low-humidity air is heated and cannot be directly supplied with air, a rear coil is required to be arranged, and the temperature is reduced to the air supply temperature through a surface cooler, so that the extra energy consumption is increased in the process; 2) because the air pipe transmits low-humidity air, the air pipe has high requirements on an air supply pipe, a return air pipe and a valve in order to reduce the air leakage amount of the air pipe, for example, the return air pipe needs to be fully welded with stainless steel and is subjected to a pressure test to ensure the air tightness of the air pipe, and the valve needs to be a special valve with good sealing performance and is stricter than a common valve process; 3) the system is connected to the tail end of each air conditioner through the air pipe, and the transformation is not flexible due to the limitation of the system, namely if a reconstruction project or the layout of a space to be dehumidified is changed, the original system needs to be redesigned and the air pipes are rearranged. Chinese utility model patent: an air conditioning system (notice number CN206300296U) for a clean room adopts a structure of an air return channel, solves the problem of air-tight conveying in a workshop, and still uses an external dehumidifier to dehumidify fresh air, then inputs the dehumidified fresh air into an air inlet layer, and then the dehumidified fresh air enters the workshop.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a distributing type fan dehumidification system can reduce dehumidification system's cost, reduces equipment occupation of land space, and construction convenience is swift.

In order to achieve the purpose of the utility model, a distributed fan dehumidification system is provided, which comprises a fresh air unit and an air inlet channel connected with the fresh air unit, wherein the air inlet channel is connected with an air supply channel; air return channels are arranged on two sides of the air supply channel, and a dry coil pipe is arranged at the joint of the upper part of the air return channel and the air supply channel; the bottom of the air supply channel is provided with a plurality of independent dehumidification units; the lower part of the return air channel is connected with a bottom return air channel.

Preferably, the air inlet channel is an air inlet pipe; the air supply channel is an air supply interlayer and is arranged at the top of the space to be dehumidified; the air return channel is an air return clamping channel and is arranged on two sides of the space to be dehumidified; the bottom air return channel is arranged at the bottom of the space to be dehumidified; an exhaust pipeline is also arranged in the space to be dehumidified.

Preferably, the number of the dehumidifying units is at least two, the dehumidifying units are arranged on the keels at the bottom of the air supply channel, and the size of the dehumidifying units is matched with that of the keels at the bottom of the air supply channel and is embedded into the keels at the bottom of the air supply channel; the dehumidification unit includes the box, fan and dehumidification piece, the fan sets up between two parties in the box, the box below is equipped with the dehumidification piece, be equipped with the desiccant in the dehumidification piece.

Furthermore, the bottom air return channel is a floor air return channel which is formed by an elevated floor with holes and a bottom surface, wherein the elevated floor is laid on the ground of the space to be dehumidified and passes through a support.

Furthermore, the bottom air return channel is an air return inlet which is arranged at the bottom of the side surface of the space to be dehumidified.

Furthermore, the dehumidification unit is the integral type, the dehumidification piece is fixed in the below of box, the dehumidification piece is detachable.

Further, the dehumidification unit is split type, the box lid is in the top of dehumidification piece, the dehumidification piece with the connection position of box is equipped with seal ring, dehumidification piece bottom also is equipped with seal ring, the box through self gravity and the seal ring that dehumidification piece upside and downside set up guarantees the gas tightness between dehumidification piece and smallpox fossil fragments and the box.

Preferably, the desiccant is regenerable.

Furthermore, the regenerable desiccant is a silica gel desiccant or a molecular sieve desiccant.

Preferably, the moisture absorbent contains a moisture absorption indicator.

In addition, an air volume control unit is further arranged on the box body of the dehumidification unit, and the air volume of the fan of the dehumidification unit can be independently controlled.

When the dehumidification system of the utility model operates, outdoor fresh air enters the air inlet pipe after being processed by the fresh air handling unit, the fresh air handling unit is internally provided with an air inlet section, a primary effect filtering section, a front surface cooling section, a fan section, a flow equalizing section, a middle effect filtering section (if a high-efficiency filtering section exists, a middle section is also needed to be arranged) and an air outlet section, and the fresh air handling unit mainly bears the heat and humidity load of the outdoor fresh air and maintains the pressure stability of a space to be dehumidified; fresh air enters an air supply interlayer at the upper part of the space to be dehumidified through an air inlet pipe; the fan of dehumidification unit is the mode of blowing this moment, the return air in the space of waiting to dehumidify flows back to waiting to dehumidify space upper portion along the return air double-layered of waiting to dehumidify space bilateral symmetry through bottom floor return air double-layered, the return air is earlier via dry coil pipe, be full of microthermal water in the pipe of dry coil pipe, return air and dry coil pipe carry out the sensible heat exchange, after the return air temperature descends and gets into the air supply interlayer and mix with the new trend that the air-supply line sent into, establish the dehumidification unit on the air supply interlayer bottom fossil fragments at the space top of waiting to dehumidify through a plurality of and get into in the space of waiting to dehumidify after carrying out the dehumidification, make the environment humiture. When the space to be dehumidified needs to be exhausted, the exhaust fan on the exhaust pipeline is opened to exhaust air outdoors.

The utility model relates to a distributing type fan dehumidification system compares with prior art and has following advantage:

1) a dehumidification unit is cancelled, the space requirement of a machine room is reduced, and the energy consumption is reduced;

2) by adopting the distributed fan dehumidification units, the dehumidification space can be freely divided according to the engineering reconstruction or equipment layout change condition, the whole system does not need to be redesigned, and the cost can be effectively saved;

3) when the same set of dehumidification system is used for different dehumidification spaces to be treated, different dehumidification units can be set or different dehumidifying agents with different moisture absorption rates can be used according to different requirements of each space to be dehumidified on humidity, and different requirements of different dehumidification spaces on humidity can be met by using the same set of system.

Drawings

FIG. 1 is a schematic diagram of a conventional dehumidification system;

fig. 2 is a schematic structural diagram of a distributed fan dehumidification system according to the present invention;

fig. 3 is a schematic structural diagram of a dehumidification unit according to the present invention;

reference numerals: 1: fresh air handling unit, 2: air inlet pipe, 3: air supply interlayer, 4: dry coil pipe, 5: return air double-layered, 6: dehumidification unit, 7: floor return air channel, 8: exhaust duct, 9: air return inlet, 11: dehumidification unit, 61: a case, 62: fan, 63: and (7) dehumidifying blocks.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments.

Fig. 2 is a schematic structural diagram of the distributed fan dehumidification system of the present invention, and the arrow direction in the figure indicates the gas flow direction, as shown in the figure, a distributed fan dehumidification system includes a fresh air unit 1, an air inlet pipe 2 connected to the fresh air unit 1, the air inlet pipe 2 is connected to an air supply interlayer 3 on the upper portion of the space to be dehumidified; the two sides of the space to be dehumidified are provided with symmetrical return air interlayers 5, the joint of the upper part of the return air interlayer 5 and the air supply interlayer 3 is provided with symmetrical dry coil pipes 4, four dehumidifying units 6 for dehumidifying air are arranged on the keel at the bottom of the air supply interlayer 3 at the top of the space to be dehumidified, the size of the dehumidifying units 6 is matched with that of the keel at the bottom of the air supply interlayer 3 at the top of the space to be dehumidified, and the dehumidifying units are embedded into the keel at the bottom of the air supply interlayer 3; the floor return air channel 7 is composed of an elevated floor with holes and laid on the ground of the space to be dehumidified and the bottom surface through a bracket; an exhaust duct 8 is also arranged in the space to be dehumidified.

Fig. 3 is a schematic structural diagram of the dehumidifying unit 6, which includes a box 61, a fan 62 and a dehumidifying block 63, wherein the fan 62 is centrally disposed in the box 61, and the box 61 is preferably further provided with an air volume control unit for individually controlling the air inlet and outlet volume of the fan of the dehumidifying unit; the box 61 below is equipped with dehumidification piece 63, and dehumidification piece 63 can adopt similar chinese utility model patent: a dehumidifying device (CN 204107296U) is provided, wherein the dehumidifying agent in the dehumidifying block 63 is reproducible, and can be silica gel desiccant or molecular sieve desiccant, etc., the silica gel desiccant can be cobalt-free allochroic silica gel, other dehumidifying agent preferably contains moisture absorption indicator such as cobalt-free allochroic silica gel, etc., or anhydrous CoCl can be used₂As an indicator.

When the dehumidification system operates, outdoor fresh air enters the air inlet pipe 2 after being processed by the fresh air handling unit 1, an air inlet section, a primary effect filtering section, a front surface cooling section, a fan section, a flow equalizing section, a middle effect filtering section (a middle section is required to be arranged if the high effect filtering section exists) and an air outlet section are arranged inside the fresh air handling unit 1, and the fresh air handling unit 1 mainly bears the heat and humidity load of the outdoor fresh air and maintains the pressure stability of a space to be dehumidified; fresh air enters an air supply interlayer 3 at the upper part of the space to be dehumidified through an air inlet pipe 2; meanwhile, the fan 62 on the dehumidifying unit 6 is in a blowing mode, return air in the space to be dehumidified flows back to the upper part of the space to be dehumidified along the return air sandwich 5 symmetrical to the two sides of the space to be dehumidified through the bottom floor return air sandwich 7, the return air firstly passes through the dry coil pipe 4, the pipe of the dry coil pipe 4 is filled with low-temperature coolant which can be cold water, the return air and the dry coil pipe 4 carry out sensible heat exchange, the return air enters the air supply sandwich 3 after the temperature of the return air is reduced and is mixed with fresh air sent by the air inlet pipe 2, and then the return air enters the space to be dehumidified after being dehumidified through the dehumidifying unit 6 arranged on the keel at the bottom of the air supply sandwich 3 at the top of the space to be dehumidif. When the space to be dehumidified needs to be exhausted, the exhaust fan on the exhaust pipeline 8 is opened to exhaust air.

In other embodiments, instead of the floor return air channel 7, other bottom return air channels may be used in the space to be dehumidified, as shown in fig. 1, a return air inlet 9 is provided at the bottom of the side surface of the space to be dehumidified, which is generally in the form of a louver, and the return air in the space to be dehumidified directly enters the return air channel 5 through the return air inlet 9 for circulation.

The structure of the dehumidification unit 6 can be integrated or split. The integral type is fixed as an organic whole box 61 and dehumidification piece 63, and dehumidification piece 63 is detachable, can directly change after the dehumidification piece 63 saturates or dismantle and remove after regeneration the reinstallation. The split type then is that two parts are installed respectively, dehumidification piece 63 level is placed on ceiling keel, box 61 and dehumidification piece 63 size phase-match, the lid is in dehumidification piece 63's top, dehumidification piece 63 is equipped with seal ring with box 61's the position of being connected, dehumidification piece 63 is equipped with seal ring with ceiling keel's the position of being connected equally, box 61 guarantees the gas tightness between dehumidification piece and ceiling keel and the box through self gravity and the seal ring that dehumidification piece 63 upside and downside set up.

Other air inlet channels similar to the air inlet pipe 2 can be used, the air supply interlayer 3 can also adopt other air supply channel forms, the return air interlayer 5 can also adopt other return air channel forms, and the fan 62 on the dehumidification unit 6 can also adopt an air suction mode.

After the dehumidification system with the structure is adopted, as the dehumidification units are distributed and the installation size is consistent with the size of the standard keel, the structure of a closed workshop can be freely divided, and when a small production workshop is needed, only the air channel needs to be modified without redesigning the whole system, so that the modification cost is very low; or in several workshops with different humidity required by production, the same set of dehumidification system is used, and the dehumidification units are only required to be respectively arranged, for example, fans with different air volumes are used on the dehumidification units, or moisture absorbents with different moisture absorption rates and the like are adopted for adjustment, so that the cost of the moisture absorption system is greatly saved.

In the description of the present specification, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of describing the technical solutions of the present patent and for simplification of the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be interpreted as limiting the present patent application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of this patent application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In this specification, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integral to one another; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present specification can be understood by those of ordinary skill in the art as appropriate.

In this specification, unless explicitly stated or limited otherwise, a first feature may be "on" or "under" a second feature such that the first and second features are in direct contact, or the first and second features are in indirect contact via an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims

1. A distributed fan dehumidification system is characterized by comprising a fresh air unit and an air inlet channel connected with the fresh air unit, wherein the air inlet channel is connected with an air supply channel; air return channels are arranged on two sides of the air supply channel, and a dry coil pipe is arranged at the joint of the upper part of the air return channel and the air supply channel; the bottom of the air supply channel is provided with a plurality of independent dehumidification units; the lower part of the return air channel is connected with a bottom return air channel.

2. The distributed blower dehumidification system of claim 1, wherein the air inlet duct is an air inlet duct; the air supply channel is an air supply interlayer and is arranged at the top of the space to be dehumidified; the air return channel is an air return clamping channel and is arranged on two sides of the space to be dehumidified; the bottom air return channel is arranged at the bottom of the space to be dehumidified; an exhaust pipeline is also arranged in the space to be dehumidified.

3. The distributed fan dehumidification system as set forth in claim 2, wherein the number of the dehumidification units is at least two, the dehumidification units are disposed on the keel at the bottom of the air supply channel, and the size of the dehumidification units is matched with that of the keel at the bottom of the air supply channel and embedded in the keel at the bottom of the air supply channel; the dehumidification unit includes the box, fan and dehumidification piece, the fan sets up between two parties in the box, the box below is equipped with the dehumidification piece, be equipped with the desiccant in the dehumidification piece.

4. The distributed fan dehumidification system as defined in claim 2, wherein said bottom return air channel is a floor return air channel, said floor return air channel is formed by a perforated raised floor laid on the ground of the space to be dehumidified and a bottom surface.

5. The distributed fan dehumidification system of claim 2, wherein said bottom return air channel is a return air inlet, said return air inlet being disposed at a bottom of a side of the space to be dehumidified.

6. The distributed fan dehumidification system of claim 3, wherein said dehumidification unit is one piece, said dehumidification block is fixed under said box, and said dehumidification block is removable.

7. The distributed fan dehumidification system of claim 3, wherein the dehumidification unit is split, the box body covers the dehumidification block, a sealing gasket is arranged at a connection part of the dehumidification block and the box body, and a sealing gasket is also arranged at the bottom of the dehumidification block.

8. The distributed fan dehumidification system of claim 3, wherein said desiccant is a regenerable desiccant.

9. The distributed fan dehumidification system of claim 8, wherein the regenerable desiccant is a silica gel desiccant or a molecular sieve desiccant.

10. The distributed fan dehumidification system of claim 3, wherein said desiccant comprises a moisture absorption indicator.