Dehumidifier with heat recovery function
By installing a heat exchanger and a blower in the dehumidifier, the heat from the exhaust air is used to heat the fresh air, which solves the problem of low energy efficiency caused by the non-reuse of exhaust air and realizes the secondary use of heat and improved energy efficiency.
Patent Information
- Application Number
- CN202520330812.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-27
- Publication Date
- 2026-01-20
- Estimated Expiration
- 2035-02-27
AI Technical Summary
Existing dehumidifiers do not reuse exhaust air, resulting in low energy efficiency and wasted heat.
Design a dehumidifier with heat recovery, which uses a heat exchanger and a blower to heat the exhaust air after drying and dehumidification, thus achieving secondary utilization of heat.
It improves overall energy efficiency, reduces heat waste, and enhances the performance of the dryer and dehumidifier.
Smart Images

Figure CN223814924U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to drying device technical field, specifically point to a kind of dehumidifier with heat recovery. BACKGROUND
[0002] When drying material, drying dehumidifier needs to be used. The dehumidification mode of the existing drying dehumidifier is generally to heat air to increase the temperature of the air, and the moisture of the material is absorbed by the heated air. After the air absorbs the moisture of the material and becomes high temperature and high humidity, the air is discharged as exhaust air. Although this method can achieve the purpose of drying and dehumidifying, the high temperature and high humidity gas after absorbing moisture is directly discharged without being reused, causing waste of heat and low efficiency of the existing drying dehumidifier. SUMMARY
[0003] The technical problem to be solved by the utility model is the low energy efficiency and waste of heat caused by the existing drying dehumidifier not reusing exhaust air.
[0004] To solve the above technical problems, the utility model provides a technical scheme: a dehumidifier with heat recovery, including device main body, heat exchanger, air supply fan and exhaust fan, the heat exchanger and the air supply fan are arranged in the device main body, one side of the device main body is provided with an exhaust inlet and a fresh air outlet, and the other side is provided with a fresh air inlet, the top end of the device main body is provided with an exhaust air outlet side, the exhaust fan is arranged at the top end of the device main body, a support plate is arranged in the device main body, and the heat exchanger is arranged on the support plate, a condenser is further arranged at the top end of the support plate, a condensing mechanism is arranged at the lower end of the support plate, and a liquid collecting tank is arranged below the condensing mechanism.
[0005] As an improvement, the condensing mechanism is a reverse hollow conical structure, and the condensing mechanism includes a condensing ring pipe, an auxiliary condensing pipe and a liquid conveying pipe. The condensing ring pipe is a circular structure, and is connected to the bottom of the condenser. The bottom end of the condensing ring pipe is connected to a plurality of auxiliary condensing pipes, and the bottom end of the auxiliary condensing pipe is connected to one of the auxiliary condensing pipes. A liquid conveying pipe is connected to one of the auxiliary condensing pipes.
[0006] As an improvement, the exhaust fan is arranged on the device main body and communicates with the exhaust air outlet side.
[0007] As an improvement, the support plate is provided with a filter mesh structure, and a water collecting tray is arranged at the bottom end of the heat exchanger.
[0008] As an improvement, the liquid collecting tank is a hollow hemispherical structure, and a drain pipe is connected to the bottom of the liquid collecting tank. The drain pipe is in an L-shaped structure, and the horizontal end of the drain pipe is embedded in the interior of the device main body.
[0009] As improvement, the device body is provided with an evaporator at the exhaust air inlet, and the evaporator is vertically arranged at the top end of the support plate and used for heating the exhaust air discharged by the heat exchanger.
[0010] As improvement, the air supply fan is arranged at one side close to the fresh air outlet and communicates with the fresh air outlet.
[0011] Compared with the prior art, the device has the advantages that:
[0012] I. The exhaust air inlet is used for allowing exhaust air to enter the heat exchanger for heat exchange; the exhaust air outlet side is used for allowing exhaust air to be discharged from the heat exchanger; the fresh air inlet is used for allowing fresh air to enter the heat exchanger; the fresh air outlet is used for allowing fresh air to be discharged from the heat exchanger; and the air supply fan is arranged at one side of the fresh air outlet in the air outlet direction and used for discharging fresh air from the device body.
[0013] II. By arranging the heat exchanger, the heat of the exhaust air after drying and dehumidification can be used for heating fresh air, so that the exhaust air is used twice to improve the overall energy efficiency. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 is a structural schematic view of the dehumidifier with heat recovery.
[0015] Figure 2 is a structural schematic view of the dehumidifier with heat recovery.
[0016] Figure 3 is a front view of the internal structure of the dehumidifier with heat recovery.
[0017] Figure 4 is a structural schematic view of the condensing mechanism.
[0018] As shown in the drawings: 1, device body; 2, exhaust fan; 3, exhaust air inlet; 4, fresh air outlet; 5, support plate; 6, fresh air inlet; 7, condensing mechanism; 8, liquid collecting hopper; 9, drain pipe; 10, condenser; 11, heat exchanger; 12, air supply fan; 13, traction rod; 14, evaporator; 15, water pan; 701, condensing ring pipe; 702, auxiliary condensing pipe; 703, liquid conveying pipe. DETAILED DESCRIPTION
[0019] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0020] The present application fully interprets the problems of the prior art in the technical background, there is no superior and general problem, the problems to be solved by the present application are specifically described in the following utility model content and specific embodiments, the technical problems to be solved by the technical scheme are determined, and the technical scheme of the present application has beneficial effects relative to the objective prior art.
[0021] Please refer to Figures 1-4 The present application provides an embodiment:
[0022] A dehumidifier with heat recovery, comprising a device main body 1, a heat exchanger 11, a supply fan 12 and an exhaust fan 2, the heat exchanger 11 and the supply fan 12 are arranged in the device main body 1, the supply fan 12 is arranged on one side close to the fresh air outlet 4 and communicates with the fresh air outlet 4, one side of the device main body 1 is provided with an exhaust inlet 3 and a fresh air outlet 4, and the other side is provided with a fresh air inlet 6, the top end of the device main body 1 is provided with an exhaust air outlet side, the exhaust fan 2 is arranged at the top end of the device main body 1, the exhaust fan 2 is arranged on the device main body 1 and communicates with the exhaust air outlet side, the device main body 1 is provided with a support plate 5, the support plate 5 is provided with a filter mesh structure, and the support plate 5 is provided with a water pan 15 at the bottom end of the heat exchanger 11, and the heat exchanger 11 is arranged on the support plate 5, the top end of the support plate 5 is further provided with a condenser 10, the lower end of the device main body 1 is provided with a condensing mechanism 7, the lower end of the condensing mechanism 7 is provided with a liquid collecting tank 8, the liquid collecting tank 8 is a hollow hemispherical structure, and the bottom of the liquid collecting tank 8 is connected with a drain pipe 9, the drain pipe 9 is in L-shaped structure, and the horizontal end of the drain pipe 9 is embedded in the inside of the device main body 1.
[0023] The drawings of the specification are combined Figure 2 The condensing mechanism 7 is a hollow inverted conical structure, the condensing mechanism 7 comprises a condensing ring pipe 701, an auxiliary condensing pipe 702 and a liquid conveying pipe 703, the condensing ring pipe 701 is a circular structure, clamping the bottom of the condenser 10, the bottom end of the condensing ring pipe 701 is communicated with a plurality of auxiliary condensing pipes 702, and the bottom end of the auxiliary condensing pipe 702 is connected in groups, and one of the auxiliary condensing pipes 702 is communicated with a liquid conveying pipe 703.
[0024] The drawings of the specification are combined Figure 3 The device main body 1 is provided with an evaporator 14 at the exhaust inlet 3, the evaporator 14 is vertically arranged at the top end of the support plate 5, and the evaporator 14 is used for heating the air discharged by the heat exchanger 11.
[0025] In the actual use process, the exhaust inlet 3 is used for supplying exhaust air into the heat exchanger 11 for heat exchange; the exhaust air outlet side is used for supplying exhaust air from the heat exchanger 11; the fresh air inlet 6 is used for supplying fresh air into the heat exchanger 11; the fresh air outlet 4 is used for supplying fresh air from the heat exchanger 11; the supply fan 12 is arranged on one side of the air outlet direction of the fresh air outlet 4, and is used for discharging fresh air from the device main body 1;
[0026] When the fresh air enters into the device main body 1, by the setting of the condenser and the condensing mechanism, the water in the fresh air entering the heat exchanger 11 is condensed, the water enters into the collecting bucket 8 along the auxiliary condensing pipe 702, and finally is discharged through the drain pipe 8, so that the water condensed by the exhaust air after heat exchange and cooling can be guided to the outside of the device main body 1;
[0027] Specifically, the exhaust air refers to the high-temperature and high-humidity gas that absorbs the water of the material after the material is dried and dehumidified, the heat exchanger 11 is provided with an exhaust air passage and a fresh air passage, and the exhaust air passage and the fresh air passage are mutually separated;
[0028] Other embodiments of the application will be apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein. The specification and examples given are exemplary only and the true scope of the application is indicated by the claims. The application is intended to cover any adaptations or variations of the application.
[0029] It should be understood that the application is not limited to the precise construction that has been described above and illustrated in the accompanying drawings, and that various modifications and changes can be made by those skilled in the art without departing from the scope of the application. The embodiments of the application described above are not intended to be limiting of the scope of the application.
Claims
1. A dehumidifier with heat recovery, comprising a device body (1), a heat exchanger (11), a supply fan (12) and an exhaust fan (2), the heat exchanger (11) and the supply fan (12) being provided in the device body (1), characterized in that, One side of the device body (1) is provided with exhaust inlet (3) and fresh air outlet (4), and the other side is provided with fresh air inlet (6), the device body (1) top end is provided with exhaust air outlet side, exhaust fan (2) is arranged in the device body (1) top end, the device body (1) is provided with support plate (5), and the heat exchanger (11) is arranged in support plate (5), and the support plate (5) top end is further provided with condenser (10), the device body (1) is located in the lower end of support plate (5) and is provided with condensing mechanism (7), and the lower portion of condensing mechanism (7) is provided with liquid collecting hopper (8).
2. A dehumidifier with heat recovery as claimed in claim 1 wherein: The condensing mechanism (7) is a reverse hollow conical structure, the condensing mechanism (7) includes condensing ring pipe (701), auxiliary condensing pipe (702) and infusion pipe (703), the condensing ring pipe (701) is a circular structure, the bottom of the condenser (10) is clamped, the bottom end of the condensing ring pipe (701) is communicated with a plurality of auxiliary condensing pipes (702), and the bottom end of the auxiliary condensing pipe (702) is centrally connected, wherein one of the auxiliary condensing pipes (702) is communicated with the infusion pipe (703).
3. The dehumidifier with heat recovery as claimed in claim 1 wherein: The exhaust fan (2) is arranged on the device body (1) and communicated with the exhaust air outlet side.
4. The dehumidifier with heat recovery as claimed in claim 1 wherein: The support plate (5) is provided with a filter mesh structure, and the support plate (5) is provided with a water pan (15) at the bottom of the heat exchanger (11).
5. The dehumidifier with heat recovery as claimed in claim 1 wherein: The liquid collecting hopper (8) is a hollow hemispherical structure, and the bottom of the liquid collecting hopper (8) is connected with a drain pipe (9), the drain pipe (9) is an L-shaped structure, and the horizontal end of the drain pipe (9) is embedded in the inside of the device body (1).
6. The dehumidifier with heat recovery as claimed in claim 1 wherein: The device body (1) is provided with an evaporator (14) at the exhaust inlet (3), the evaporator (14) is vertically arranged at the top end of the support plate (5), and the evaporator (14) is used for heating the exhaust air of the heat exchanger (11).
7. The dehumidifier with heat recovery as claimed in claim 1 wherein: The air supply fan (12) is arranged on one side close to the fresh air outlet (4) and communicated with the fresh air outlet (4).