Waste heat recycling device of linen washing machine

Abstract

The utility model discloses a linen washing machine waste heat recycling device which comprises a waste heat recycling device body and is characterized in that the linen washing machine waste heat recycling device further comprises a pretreatment box, the pretreatment box is arranged at one end of the top of the waste heat recycling device body, and a filter screen and a supporting piece are arranged at the top end of the interior of the pretreatment box; the waste heat recycling device comprises a waste heat recycling device body, two sets of supporting pieces and a heat exchange pipe, the heat exchange pipe is arranged in the center of the interior of the waste heat recycling device body, and fins are evenly arranged on one side of the heat exchange pipe. The water inlet is formed in the top end of one side of the waste heat recycling device body. According to the waste heat recycling device, the waste heat recycling device body, the hot air inlet pipe, the pretreatment box, the filter screen, the supporting piece, the fixing buckle and the clamping groove are installed, cotton fibers or other fibers in hot air are intercepted by the filter screen, the hot air is effectively filtered before entering the waste heat recycling device body, and the heat exchange efficiency is prevented from being affected.

Description

TECHNICAL FIELD

[0001] The utility model relates to a linen washing machine waste heat collection technical field, concretely is a linen washing machine waste heat recycling device. BACKGROUND

[0002] Linen is a commonly used professional term in hotel, guest house, bath, catering and other service industries, which refers to the general term of various textiles such as bedclothes, towels, tablecloths, curtains, chair covers and the like used in the daily operation of these places, and the linen washing machine is a device specially used for washing linen (such as bed sheets, quilt covers, towels, tablecloths and the like) in hotels, guest houses, hospitals and the like.

[0003] The linen washing machine generally generates a large amount of heat energy when working, which mainly exists in the form of hot air. In order to not waste this heat energy, a waste heat recovery device is needed to collect this part of heat energy, and the recovered heat energy can be used for preheating the washing water, thereby realizing the reuse of energy. However, due to the mechanical action of friction, stirring and the like, the lint or other fibers on the surface of the linen (such as bed sheets, quilt covers, towels and the like) may fall off and be suspended in the air inside the washing machine. When the air containing lint dust enters the waste heat recovery and utilization device, it may adhere to the inner wall of the heat exchange pipe, which affects the working efficiency over a long period of time. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a linen washing machine waste heat recovery and utilization device to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a linen washing machine waste heat recovery and utilization device, comprising: a waste heat recovery and utilization device main body, characterized in that, further comprising

[0006] A pretreatment box is arranged at one end of the top of the waste heat recovery and utilization device main body, a filter screen is arranged at the top end inside the pretreatment box, and a hot gas inlet pipe is arranged on the top of the pretreatment box through a corrugated pipe.

[0007] Supports are arranged in two groups, and the supports are arranged on both sides inside the pretreatment box, and the two ends of the filter screen on both sides are connected with the supports through fixing buckles.

[0008] Heat exchange pipes are arranged at the central position inside the waste heat recovery and utilization device main body, and fins are uniformly arranged on both sides of the heat exchange pipes.

[0009] A water inlet is arranged at the top end of one side of the waste heat recovery and utilization device main body, and a water outlet is arranged at the bottom end of the other side of the waste heat recovery and utilization device main body.

[0010] Preferably, the water inlet and the water outlet are provided with connecting flanges at one end of the main body of the waste heat recycling device, and connecting holes are uniformly arranged at the edges of the connecting flanges.

[0011] Preferably, the inner side walls of the water inlet and the water outlet are provided with flow slowing plates, and the flow slowing plates are staggered.

[0012] Preferably, the heat exchange pipes are fixed in the main body of the waste heat recycling device in a "serpentine" structure, one end of the heat exchange pipes is connected with the bottom of the pretreatment box, and the other end of the heat exchange pipes is provided with an exhaust port.

[0013] Preferably, the two ends of the top of the support are provided with clamping grooves, and the fixing buckles are clamped and connected with the clamping grooves.

[0014] Preferably, the inner sides of one end of the fixing buckles are provided with built-in magnets, and the bottoms of the interiors of the clamping grooves are provided with magnetic layers.

[0015] Preferably, one end of the flow slowing plate is connected with the inner walls of the water inlet and the water outlet through a damping rotating shaft, and one side of the flow slowing plate is connected with the inner walls of the water inlet and the water outlet through a return spring.

[0016] Compared with the prior art, the linen washing machine waste heat recycling device is provided with a main body of a waste heat recycling device, a hot gas inlet pipe, a pretreatment box, a filter screen, a support, a fixing buckle and a clamping groove, the hot gas inlet pipe is connected with a hot gas outlet of the linen washing machine, the heat energy generated during washing is first introduced into the pretreatment box through the hot gas inlet pipe, the lint or other fibers in the hot gas are intercepted by the filter screen, so that the hot gas is effectively filtered before entering the main body of the waste heat recycling device, direct entry into the heat exchange pipes and adhesion to the inner walls of the heat exchange pipes are prevented, the heat exchange efficiency is affected, the two sides of the interior of the pretreatment box are provided with supports, the two ends of the top of the support are provided with clamping grooves, the two ends of the two sides of the filter screen are provided with fixing buckles, the fixing buckles are buckled with the clamping grooves, respectively, the filter screen is conveniently replaced, and the phenomenon of filter screen blockage or damage is prevented. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a front view of the sectional structure of the utility model;

[0018] Figure 2 It is a front view of the sectional structure of the utility model; Figure 1 It is an enlarged structure schematic view of A in the utility model;

[0019] Figure 3 It is a top view of the sectional structure of the pretreatment box of the utility model;

[0020] Figure 4 It is a sectional structure schematic view of the water inlet of the utility model.

[0021] In the figure: 1, waste heat recovery device main body; 2, hot gas inlet pipe; 3, pretreatment box; 4, filter screen; 5, water inlet; 6, water outlet; 7, heat exchange pipe; 8, fin; 9, support; 10, fixed buckle; 11, built-in magnet; 12, clamping groove; 13, magnetic layer; 14, connecting flange; 15, connecting hole; 16, damping shaft; 17, return spring; 18, flow buffer plate; 19, corrugated pipe; 20, exhaust port. DETAILED DESCRIPTION

[0022] 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. 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.

[0023] Please refer to Figures 1-4 The present application provides an embodiment: a linen washing machine waste heat recovery device, comprising: a waste heat recovery device main body 1, further comprising

[0024] A pretreatment box 3 is arranged at one end of the top of the waste heat recovery device main body 1, and a filter screen 4 is arranged at the top end inside the pretreatment box 3. The top of the pretreatment box 3 is provided with a hot gas inlet pipe 2 through a corrugated pipe 19.

[0025] The hot gas inlet pipe 2 is connected with the hot gas exhaust port of the linen washing machine. The heat energy generated during washing first enters the pretreatment box 3 through the hot gas inlet pipe 2. The lint or other fibers in the hot gas are intercepted by the filter screen 4, so that the hot gas is effectively filtered before entering the waste heat recovery device main body 1, preventing direct entry into the heat exchange pipe 7 and adhering to the inner wall, affecting the heat exchange efficiency.

[0026] The support 9 is provided with two groups, and the support 9 is arranged on both sides inside the pretreatment box 3. The two ends of the filter screen 4 on both sides are connected with the support 9 through the fixed buckle 10.

[0027] The two ends of the top of the support 9 are provided with clamping grooves 12, and the fixed buckles 10 are connected with the clamping grooves 12. The fixed buckles 10 are respectively buckled with the clamping grooves 12, which facilitates regular replacement of the filter screen 4 and prevents the filter screen 4 from being blocked or damaged.

[0028] The inside of one end of the fixed buckle 10 is provided with a built-in magnet 11, and the bottom end inside the clamping groove 12 is provided with a magnetic layer 13, which increases the firmness of the installed filter screen 4.

[0029] The heat exchange pipe 7 is arranged at the central position inside the waste heat recovery device main body 1, and fins 8 are uniformly arranged on both sides of the heat exchange pipe 7.

[0030] One end of the heat exchange pipe 7 is communicated with the bottom of the pretreatment box 3, and the other end of the heat exchange pipe 7 is provided with an exhaust port 20;

[0031] After the hot gas enters the heat exchange pipe 7, it flows in the heat exchange pipe 7, which is fixed in the waste heat recovery device main body 1 in a "serpentine" structure, which is beneficial to increase the time of the hot gas passing through, and the heat is further transferred to the fins 8 through the heat conduction of the metal wall surface;

[0032] The water inlet 5 is arranged at the top end of one side of the waste heat recovery device main body 1, and the water body is introduced through the water inlet 5, and when the water body flows through the fins 8, it absorbs the heat on the fins 8 through the convection heat exchange with the surface of the fins 8 and gradually heats up, thereby completing the waste heat recovery and utilization of the linen washing machine;

[0033] The bottom end of the other side of the waste heat recovery device main body 1 is provided with a water outlet 6, and the heated water body is discharged through the water outlet 6 and can be used as preheated washing water;

[0034] The water inlet 5 and the water outlet 6 are both provided with a connecting flange 14 at the end away from the waste heat recovery device main body 1, and a plurality of connecting holes 15 are uniformly arranged at the edge of the connecting flange 14, which are used for connecting with the water inlet pipe and the water outlet pipe;

[0035] The inner side walls of the water inlet 5 and the water outlet 6 are both provided with flow slowing plates 18, and the flow slowing plates 18 are staggered;

[0036] The speed of the water body when entering and discharging is prevented from being too fast, so that the water is not easy to form vortex, and the effect of heat transfer is avoided;

[0037] One end of the flow slowing plate 18 is connected with the inner wall of the water inlet 5 and the water outlet 6 through a damping rotating shaft 16, and one side of the flow slowing plate 18 is connected with the inner wall of the water inlet 5 and the water outlet 6 through a reset spring 17, when the water flow impacts the flow slowing plate 18, the reset spring 17 can absorb part of the impact force, so that the flow slowing plate 18 is not easy to be damaged.

[0038] Working principle: in use, the hot gas inlet pipe 2 is connected with the hot gas outlet of the linen washing machine, the heat energy generated during washing enters the pretreatment box 3 through the hot gas inlet pipe 2 first, the lint or other fibers in the hot gas are intercepted by the filter screen 4, so that the hot gas is effectively filtered before entering the waste heat recovery device main body 1, preventing direct entry into the heat exchange pipe 7 and adhering to the inner wall, affecting the heat exchange efficiency, both sides of the inside of the pretreatment box 3 are provided with supporting pieces 9, the both ends of the top of the supporting pieces 9 are provided with clamping grooves 12, both ends of the filter screen 4 are provided with fixed buckles 10, the fixed buckles 10 are buckled with the clamping grooves 12 respectively, which facilitates regular replacement of the filter screen 4 and prevents the phenomenon of clogging or damage of the filter screen 4, after the hot gas enters the heat exchange pipe 7, it flows in the heat exchange pipe 7, the heat is further transferred to the fins 8 through the heat conduction of the metal wall surface, the water body is introduced through the water inlet 5, when the water body flows through the fins 8, the heat on the fins 8 is absorbed through the convection heat exchange with the surface of the fins 8 and gradually heated, so as to complete the waste heat recovery and utilization of the linen washing machine, the heated water body is discharged through the water outlet 6 and can be used as preheated washing water, the water inlet 5 and the water outlet 6 are both provided with flow slowing plates 18, which prevent the water body from flowing too fast when entering and discharging, so that the water is not easy to form vortex, avoiding affecting the heat transfer effect.

[0039] Obviously, the above-described embodiments are only a part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor should belong to the scope of protection of the present application.

[0040] It should be noted that the terms used herein are only intended to describe specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. As used herein, the singular form is intended to include the plural form unless the context clearly indicates otherwise, and it should also be understood that when the terms "comprise" and / or "include" are used in the specification, there is a feature, step, work, device, component and / or their combination.

[0041] It should be noted that the terms "first", "second" and the like in the specification and claims of the present application and the above-described drawings are used to distinguish similar objects, and do not necessarily describe a specific order or sequence. It should be understood that the data used in this way can be interchanged under appropriate circumstances, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein.

[0042] The above are merely preferred embodiments of this utility model and are not intended to limit the scope of this utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A laundry washing machine waste heat recovery device comprising: The waste heat recycling device main body (1) is characterized in that it further comprises A pretreatment box (3) is arranged at one end of the top of the waste heat recycling device main body (1), and a filter screen (4) is arranged at the top end inside the pretreatment box (3); the top of the pretreatment box (3) is provided with a hot gas inlet pipe (2) through a corrugated pipe (19); Two support pieces (9) are arranged on both sides inside the pretreatment box (3), and the filter screen (4) is connected to the support pieces (9) through fixing buckles (10) at both ends of the filter screen (4); A heat exchange pipe (7) is arranged at the central position inside the waste heat recycling device main body (1), and fins (8) are uniformly arranged on both sides of the heat exchange pipe (7); A water inlet (5) is arranged at the top of one side of the waste heat recycling device main body (1), and a water outlet (6) is arranged at the bottom of the other side of the waste heat recycling device main body (1).

2. A laundry washing machine waste heat recovery device according to claim 1, characterized in that: The water inlet (5) and the water outlet (6) are provided with connecting flanges (14) at the end away from the waste heat recycling device main body (1), and connecting holes (15) are uniformly arranged at the edges of the connecting flanges (14).

3. A laundry washing machine waste heat recovery device according to claim 1, characterized in that: The inner side walls of the water inlet (5) and the water outlet (6) are provided with flow slowing plates (18), and the flow slowing plates (18) are staggered.

4. A laundry washing machine waste heat recovery device according to claim 1, characterized in that: The heat exchange pipe (7) is fixed in the waste heat recycling device main body (1) in a "serpentine" structure, one end of the heat exchange pipe (7) is connected to the bottom of the pretreatment box (3), and the other end of the heat exchange pipe (7) is provided with an exhaust port (20).

5. A laundry washing machine waste heat recovery device according to claim 1, characterized in that: The top of the support piece (9) is provided with a clamping groove (12) at both ends, and the fixing buckle (10) is connected to the clamping groove (12).

6. A laundry washing machine waste heat recovery device according to claim 5, characterized in that: The inside of one end of the fixing buckle (10) is provided with an embedded magnet (11), and the bottom of the inside of the clamping groove (12) is provided with a magnetic layer (13).

7. A laundry washing machine waste heat recovery device according to claim 3, characterized in that: One end of the flow slowing plate (18) is connected to the inner wall of the water inlet (5) and the water outlet (6) through a damping rotating shaft (16), and one side of the flow slowing plate (18) is connected to the inner wall of the water inlet (5) and the water outlet (6) through a return spring (17).

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