CN212645287U

CN212645287U - Mould dehumidifier

Info

Publication number: CN212645287U
Application number: CN202021282034.1U
Authority: CN
Inventors: 谢锦伟; 谢仲铭; 黄学明
Original assignee: Dongguan Shini Electrothermal Machinery Co ltd
Current assignee: Dongguan Shini Electrothermal Machinery Co ltd
Priority date: 2020-07-02
Filing date: 2020-07-02
Publication date: 2021-03-02
Anticipated expiration: 2030-07-02

Abstract

The utility model discloses a mould dehumidifier relates to plastics shaping mechanical equipment technical field. This mould dehumidifier includes absorption runner and condenser: the adsorption rotating wheel comprises a processing area and a regeneration area, the processing area is used for dehumidifying gas to be dehumidified to generate dry gas, the outlet end of the processing area is communicated with the inlet end of the regeneration area, and part of the dry gas can enter the regeneration area to desorb moisture in the adsorption rotating wheel; the inlet end of the condenser communicates with the outlet end of the regeneration zone to cool the gas exiting the regeneration zone and produce condensed water. When the atmospheric humidity is high, part of the dry gas generated in the treatment area can enter the regeneration area to desorb and discharge the water in the adsorption rotating wheel, so that the moisture desorption effect of the adsorption rotating wheel can be prevented from being deteriorated, and the dehumidification performance of the mould dehumidifier is always ensured. Meanwhile, moisture in the exhaust gas of the regeneration area can be removed in time through the cooling effect of the condenser, and the condensation and water accumulation at the outlet end of the regeneration area are avoided.

Description

Mould dehumidifier

Technical Field

The utility model relates to a plastics shaping mechanical equipment technical field especially relates to a mould dehumidifier.

Background

In the plastic molding process, a rotary wheel type mold dehumidifier is usually used to maintain an air environment with a low dew point around the mold, so as to avoid the condensation of the mold.

However, the conventional rotary wheel type mold dehumidifier has the following two disadvantages when in use: (1) the regeneration system of the rotary wheel type mold dehumidifier is provided with a regeneration fan and a heater, atmosphere can sequentially flow through the regeneration fan and the heater to enter a regeneration area in the adsorption rotary wheel to desorb and discharge water in the adsorption rotary wheel, but when the atmosphere humidity is higher, the atmosphere is difficult to adsorb more water when passing through the regeneration area due to the fact that the moisture of the atmosphere is close to saturation, the moisture desorption effect is poor, and the dehumidification performance of the rotary wheel type mold dehumidifier is reduced; (2) because the humidity of the gas discharged from the regeneration area of the adsorption rotating wheel is high, the phenomenon of condensation and water accumulation is easy to occur at the outlet end of the regeneration area, the appearance is influenced, and the adverse effects such as material corrosion and the like are caused when the adsorption rotating wheel is used for a long time.

Accordingly, there is a need for a mold dehumidifier to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mould dehumidifier can guarantee good dehumidification performance when atmospheric humidity is higher, can avoid the exit end of regeneration area to appear condensation ponding simultaneously.

To achieve the purpose, the utility model adopts the following technical proposal:

a mold dehumidifier comprising:

the adsorption rotating wheel comprises a treatment area and a regeneration area, the treatment area is used for dehumidifying gas to be dehumidified to generate dry gas, the outlet end of the treatment area is communicated with the inlet end of the regeneration area, and part of the dry gas can enter the regeneration area to desorb moisture in the adsorption rotating wheel;

a condenser having an inlet end in communication with the outlet end of the regeneration zone to cool the gas exiting the regeneration zone and produce condensed water.

Optionally, the mold dehumidifier further comprises an exhaust fan, an air inlet end of the exhaust fan is communicated with an outlet end of the regeneration area, and an air outlet end of the exhaust fan is communicated with an inlet end of the condenser.

Optionally, the mold dehumidifier further comprises a water storage tank disposed at a lower portion of the condenser to receive the condensed water.

Optionally, the mold dehumidifier further comprises a drain pump connected to the water storage tank.

Optionally, the mold dehumidifier further comprises a regeneration system connected to the regeneration zone, the regeneration system comprises a heater, the heater is disposed between an outlet end of the treatment zone and an inlet end of the regeneration zone, and the outlet end of the treatment zone is communicated with the inlet end of the regeneration zone through the heater.

Optionally, the mold dehumidifier further comprises a drying system connected with the treatment area, the drying system comprises a return air filter, a return air cooler and a fan which are sequentially communicated, the fan is communicated with the inlet end of the treatment area, and the gas to be dehumidified can sequentially flow through the return air filter, the return air cooler, the fan and the treatment area to generate the drying gas.

Optionally, the outlet end of the regeneration zone is communicated with the inlet end of the return air cooler through the return air filter, and the return air cooler is used as the condenser.

Optionally, the drying system further comprises an outlet air cooler connected to an outlet end of the treatment area.

Optionally, the outlet end of the treatment zone is in communication with the inlet end of the regeneration zone via the outlet air cooler.

Optionally, an on-off valve is provided in the passageway connecting between the outlet end of the treatment zone and the inlet end of the regeneration zone to effect opening or closing of the passageway.

The utility model has the advantages that:

the utility model provides a mould dehumidifier, through the exit end that will adsorb the runner treatment zone with adsorb the entrance point intercommunication in runner regeneration zone, when atmospheric humidity is higher, can make the produced partial dry gas of adsorption runner treatment zone get into regeneration zone, will adsorb the moisture desorption discharge in the runner to avoid adsorbing the moisture desorption effect variation of runner, guarantee this mould dehumidifier throughout and have good dehumidification performance. Meanwhile, the gas discharged from the regeneration area can be cooled by the condenser to generate condensed water, so that the moisture in the gas discharged from the regeneration area can be removed in time, and the moisture condensation and water accumulation at the outlet end of the regeneration area can be avoided.

Drawings

Fig. 1 is a schematic view of the overall structure of the mold dehumidifier provided by the embodiment of the present invention.

In the figure:

1. an adsorption rotating wheel; 11. a treatment zone; 12. a regeneration zone; 2. a return air filter; 3. a return air cooler; 4. a fan; 5. an air outlet cooler; 6. a heater; 7. a water storage tank; 8. and (7) draining the pump.

Detailed Description

In order to make the technical problem solved by the present invention, the technical solution adopted by the present invention and the technical effect achieved by the present invention clearer, the technical solution of the present invention will be further explained by combining the drawings and by means of the specific implementation manner.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used in the orientation or positional relationship shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

The embodiment provides a mold dehumidifier. The mold dehumidifier comprises an adsorption rotating wheel 1 and a condenser. As shown in fig. 1, the sorption wheel 1 comprises a treatment zone 11 and a regeneration zone 12, the treatment zone 11 is used for dehumidifying the gas to be dehumidified to generate a dry gas, and the outlet end of the treatment zone 11 is communicated with the inlet end of the regeneration zone 12. At this time, part of the dry gas generated in the treatment zone 11 can enter the regeneration zone 12, and desorbs and discharges the moisture in the adsorption rotor 1, so that the adsorption rotor 1 recovers the moisture absorption function, and the regeneration process is completed. Obviously, the effect is not influenced by the atmospheric humidity, so that the moisture desorption effect can be prevented from being deteriorated when the atmospheric humidity is higher, and the dehumidification performance of the mold dehumidifier is always ensured.

Further, the inlet end of the condenser communicates with the outlet end of the regeneration zone 12. The gas discharged from the regeneration area 12 can be cooled by the condenser to generate condensed water, so that the moisture in the gas discharged from the regeneration area 12 can be removed in time, and the condensation water accumulation at the outlet end of the regeneration area 12 can be avoided.

Optionally, in order to facilitate the control and use of the mold dehumidifier, a switch valve may be further provided on a passage connecting between the outlet end of the treatment zone 11 and the inlet end of the regeneration zone 12 to open or close the passage. When the atmospheric humidity is high, the passage can be opened through the switch valve, and the moisture desorption is carried out by using the dry gas flowing out from the treatment area 11; when the atmospheric humidity is low, if the moisture desorption is sufficiently performed by the atmosphere, the passage may be closed by the on-off valve.

In a particular configuration, the mould dehumidifier also comprises a regeneration system connected to the regeneration zone 12. As shown in fig. 1, the regeneration system includes a heater 6, the heater 6 being disposed between the outlet end of the treatment zone 11 and the inlet end of the regeneration zone 12, and the outlet end of the treatment zone 11 being in communication with the inlet end of the regeneration zone 12 through the heater 6. At this time, the dry gas flowing out of the processing region 11 may be heated by the heater 6 to become a high temperature dry gas, thereby enhancing the moisture desorption effect. Certainly, in other embodiments, a regeneration fan may be further disposed in the regeneration system, so that the regeneration fan, the heater 6 and the regeneration area 12 are sequentially communicated, so as to provide the atmosphere for the regeneration area 12 to perform moisture desorption when the atmospheric humidity is low, so that the dehumidification mode is more diversified, and the use is convenient. Since the construction of the regeneration fan and the heater 6 is prior art, it will not be described herein.

Optionally, the mold dehumidifier further comprises a drying system connected to the treatment zone 12. As shown in fig. 1, the drying system includes a return air filter 2, a return air cooler 3 and a fan 4 which are sequentially communicated, the fan 4 is communicated with the inlet end of the processing area 11, and the gas to be dehumidified can sequentially flow through the return air filter 2, the return air cooler 3, the fan 4 and the processing area 11 to generate the low dew point and low temperature drying gas. Since the structures of the return air filter 2, the return air cooler 3, and the like are conventional, they will not be described in detail.

In this embodiment, the return air cooler 3 serves as a condenser, and makes full use of the arrangement in the drying system, thereby providing excellent economy. Of course, in other embodiments, a condenser separate from the return air cooler 3 may be provided to dehumidify the air exiting the regeneration zone 12, as desired.

Optionally, as shown in fig. 1, a water storage tank 7 is further provided in the mold dehumidifier, and the water storage tank 7 is provided at a lower portion of the condenser to receive the condensed water. Furthermore, the mold dehumidifier is also provided with a drainage pump 8 connected with the water storage tank 7, and water in the water storage tank 7 can be quickly drained outwards through the drainage pump 8.

Alternatively, as shown in fig. 1, the outlet end of the regeneration zone 12 may be in communication with the inlet end of the return air cooler 3 through the return air filter 2 to filter the air exiting the regeneration zone 12 through the return air filter 2 to avoid contaminants in the air exiting the regeneration zone 12 from entering the drying system while utilizing the drying system configuration.

Further, as shown in fig. 1, the drying system further includes an outlet air cooler 5 connected to an outlet end of the treatment area 11. Most of the dry gas flowing out of the processing area 11 flows into the environment around the mold through the air outlet cooler 5, so that the air environment with low dew point is always maintained around the mold. Since the structure of the outlet air cooler 5 is also the prior art, it is not described herein again.

It is understood that in other embodiments, the outlet end of the treatment area 11 may be communicated with the inlet end of the regeneration area 12 through the wind outlet cooler 5, so that the dry gas flowing out of the treatment area 11 is dehumidified again through the wind outlet cooler 5, and the moisture desorption effect may also be enhanced.

Of course, in other embodiments, an exhaust fan may be further disposed in the mold dehumidifier, such that an air inlet end of the exhaust fan is communicated with an outlet end of the regeneration area 12, and an air outlet end of the exhaust fan is communicated with an inlet end of the condenser, so as to accelerate the flow of the gas exhausted from the regeneration area 12 by the exhaust fan, and further improve the dehumidification efficiency.

To sum up, the utility model discloses a make the exit end of treatment area 11 and the entrance point intercommunication of regeneration area 12, when atmospheric humidity is higher, can make the produced part dry gas of treatment area 11 get into regeneration area 12, will adsorb the moisture desorption discharge in the runner 1 to can avoid moisture desorption effect variation, guarantee this mould dehumidifier's dehumidification performance all the time. Meanwhile, the gas discharged from the regeneration area 12 can be cooled by the condenser to generate condensed water, so that the moisture in the gas discharged from the regeneration area 12 can be removed in time, and the condensation and water accumulation at the outlet end of the regeneration area 12 can be avoided.

The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.

Claims

1. A mold dehumidifier, comprising:

the adsorption rotating wheel (1), the adsorption rotating wheel (1) comprises a treatment area (11) and a regeneration area (12), the treatment area (11) is used for dehumidifying gas to be dehumidified to generate dry gas, the outlet end of the treatment area (11) is communicated with the inlet end of the regeneration area (12), and part of the dry gas can enter the regeneration area (12) to desorb moisture in the adsorption rotating wheel (1);

a condenser having an inlet end in communication with the outlet end of the regeneration zone (12) for cooling the gas exiting the regeneration zone (12) and generating condensed water.

2. The mold dehumidifier of claim 1, further comprising an exhaust fan, wherein an inlet end of said exhaust fan is in communication with an outlet end of said regeneration zone (12), and an outlet end of said exhaust fan is in communication with an inlet end of said condenser.

3. A mould dehumidifier according to claim 1 or 2 further comprising a water reservoir (7), said water reservoir (7) being provided at a lower portion of the condenser to receive the condensed water.

4. A mould dehumidifier according to claim 3 further comprising a drain pump (8), said drain pump (8) being connected to said water storage tank (7).

5. A mould dehumidifier according to claim 1 further comprising a regeneration system connected to the regeneration zone (12), the regeneration system comprising a heater (6), the heater (6) being arranged between the outlet end of the treatment zone (11) and the inlet end of the regeneration zone (12), and the outlet end of the treatment zone (11) being in communication with the inlet end of the regeneration zone (12) via the heater (6).

6. The mold dehumidifier according to claim 1, further comprising a drying system connected to the treatment area (11), wherein the drying system comprises a return air filter (2), a return air cooler (3) and a fan (4) which are sequentially communicated, the fan (4) is communicated with an inlet end of the treatment area (11), and the gas to be dehumidified can sequentially flow through the return air filter (2), the return air cooler (3), the fan (4) and the treatment area (11) to generate the drying gas.

7. A mould dehumidifier according to claim 6 wherein the outlet end of the regeneration zone (12) communicates with the inlet end of the return air cooler (3) through the return air filter (2), the return air cooler (3) acting as the condenser.

8. A mould dehumidifier according to claim 6 wherein said drying system further comprises an outlet air cooler (5), said outlet air cooler (5) being connected to the outlet end of said treatment zone (11).

9. A mould dehumidifier according to claim 8 wherein the outlet end of the treatment zone (11) communicates with the inlet end of the regeneration zone (12) through the outlet air cooler (5).

10. A mould dehumidifier according to claim 1 wherein a switch valve is provided in the passage connecting the outlet end of the treatment zone (11) and the inlet end of the regeneration zone (12) to enable opening or closing of the passage.