Heat recovery device with good filtering effect

Abstract

The utility model relates to the technical field of heat recycling devices, and discloses a heat recycling device with a good filtering effect, which comprises a water drainage shell, a water supply heat exchanger connected in the water drainage shell and a filter screen assembly, the filter screen assembly comprises a filter screen body and a fluid flow guiding piece used for guiding hot waste water to the water supply heat exchanger. The filter screen body is embedded in the upper end of the water discharging shell in a matched manner; a plurality of filter screen holes are formed in the filter screen body; and the fluid guide piece is connected with the bottom end surface of the filter screen body. According to the heat recovery device with the good filtering effect, the heat recovery effect is more efficient, the problem that due to water flow impact, the filter screen assembly gets loose and moves or floats can be effectively solved, and foreign matter is better prevented from falling into the lower water shell; therefore, the problems that a traditional flat-bottom filtering piece is prone to loosening and blocking are solved, the filtering efficiency is good, and multiple improvements of the structural stability, the heat recovery efficiency and the drainage efficiency are achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to heat recovery device technical field, especially a kind of heat recovery device with good filtering effect. BACKGROUND

[0002] In the hair washing and flushing equipment of hairdressing shop or beauty salon, the hair washing and flushing equipment is equipped with water heater, cold water first passes through the water supply heat exchanger in heat recovery device, then enters water heater, and then water heater provides hot water, which flows out from shower, to provide comfortable hair washing or face washing service for customers. The used hot waste water passes through the hair washing basin, and then flows into the heat recovery device, and when passing through the water supply heat exchanger, the heat recovery is realized, achieving the effect of energy saving.

[0003] The heat recovery device is a key structure of the hair washing and flushing equipment, and the efficiency of its drainage system directly affects the sanitary condition and water resource management of the shop. In the traditional hair washing and flushing equipment, the heat recovery device includes a drain shell and a water supply heat exchanger at the upper end of the heat recovery device. The upper end of the drain shell is equipped with a flat-bottom filter, such as a flat-bottom filter screen cover. However, this type of flat-bottom filter design directly clamps the flat-bottom filter on the upper end of the drain shell. Under the impact of water flow, the flat-bottom filter is prone to dislocation or floating, which is unstable in structure. As a result, foreign matter such as hair is easily washed into the drain shell, causing blockage inside the heat recovery device, poor filtering effect, and affecting the drainage efficiency and heat recovery efficiency of the heat recovery device. SUMMARY

[0004] The utility model aims at overcoming the problems of the prior art and providing a heat recovery device with good filtering effect.

[0005] To achieve the above-mentioned purpose, the utility model adopts the following scheme:

[0006] A heat recovery device with good filtering effect includes a drain shell and a water supply heat exchanger connected inside the drain shell. It also includes a filter screen assembly. The filter screen assembly is adaptively embedded in the upper end of the drain shell.

[0007] The filter screen assembly includes a filter screen body and a fluid guide for guiding hot waste water to the water supply heat exchanger. The filter screen body is adaptively embedded in the upper end of the drain shell. The filter screen body has a plurality of filter screen holes. The fluid guide is connected to the bottom end surface of the filter screen body.

[0008] Further, the upper end of the drain shell has a filter hole blocking wall arranged around the filter screen assembly. The filter hole blocking wall is provided with a plurality of filter holes communicating with the inner cavity of the upper end of the drain shell.

[0009] Further, the fluid guide includes:

[0010] A connecting base connected with the bottom end surface of the filter screen body;

[0011] A plurality of guide vanes are uniformly arranged around and connected with the connecting base.

[0012] Further, the water supply heat exchanger is a heat exchange coil; the heat exchange coil is provided with a hollow drain flow channel at a central position thereof;

[0013] The fluid guide member further comprises a guide plate connected with the connecting base and arranged outwardly around the connecting base; an end of the guide plate away from the connecting base is arranged above the inner side of the heat exchange coil; an end of the guide vane away from the connecting base is arranged above the outer side of the heat exchange coil.

[0014] Further, the top view angle of the guide vane is in a fan shape; the top view angle of the guide plate is in a circular shape.

[0015] Further, an end of the guide vane away from the connecting base is arranged in an arc shape and curved downwardly; an end of the guide plate away from the connecting base is arranged in an arc shape and curved downwardly.

[0016] Further, the top end surface of the guide vane is provided with a guide groove opened along the length direction thereof and used for guiding hot waste water to the water supply heat exchanger.

[0017] Further, the filter hole and / or the filter screen hole is in a strip shape.

[0018] Further, the filter screen assembly further comprises a handle connected with a central position in the filter screen body.

[0019] Further, the outer wall of the filter screen body is provided with clamping protrusions; the inner wall of the upper end of the drain shell is provided with clamping grooves matched with the clamping protrusions for clamping connection.

[0020] Compared with the prior art, the utility model has the advantages of:

[0021] 1. The utility model discloses on the basis of the water outlet shell and water supply heat exchanger, add filter screen subassembly, form filter screen subassembly through setting up filter screen body and fluid guide piece combination, design the filter screen hole that communicates with the inner chamber of water outlet shell on filter screen body, better realize the separation of foreign matter and water, and foreign matter is such as hair etc. In use, first embed filter screen body in the upper end of water outlet shell, realize that filter screen body stably installs in the upper end of water outlet shell, ensure the stable installation of structure, and it is not easy to be washed off by water flow, and then design fluid guide piece on the bottom end surface of filter screen body, optimize water flow path, concentrate to the water supply heat exchanger and guide hot wastewater, improve the heat recovery efficiency of water supply heat exchanger, and compared with traditional flat bottom filter piece, change the gravity center of filter screen subassembly, and the structure weight is heavier, effectively avoid the problem that filter screen subassembly appears to loosen displacement or float because of water flow impact, better prevent foreign matter from falling into the water outlet shell, thereby solve the problem that traditional flat bottom filter piece is easy to loosen, easy to block, good filtering efficiency, realize the multiple promotion of stability of structure, heat recovery efficiency and drainage efficiency.

[0022] 2. The utility model discloses on the basis of filter screen subassembly, improve the upper end of water outlet shell, design filter hole barrier wall, through setting up filter hole barrier wall, can effectively block the foreign matter in basin body, form the separation of foreign matter and water, form first heavy filtration, under the action of filter screen subassembly, form second heavy filtration, such design this filtering effect good heat recovery device can make this filtering effect good heat recovery device reach high -efficient filtration effect, reduce the risk of foreign matter block, better improve drainage efficiency, and can better ensure the cleanliness of water outlet shell inside, provide more stable environment for heat recovery. ACCURACY OF DRAWINGS

[0023] The present application will be further described in detail below in combination with the drawings and specific embodiments.

[0024] Fig. 1 It is the exploded perspective structural schematic diagram of the filtering effect good heat recovery device of the utility model.

[0025] Fig. 2 It is the perspective structural schematic diagram of one angle of filter screen subassembly of the utility model.

[0026] Fig. 3 It is the exploded perspective structural schematic diagram of one angle of filter screen subassembly of the utility model.

[0027] The drawings include:

[0028] The utility model discloses a drain shell 1, filter hole barrier wall 11, filter hole 111, clamping groove 12, water supply heat exchanger 2, hollow drain flow channel 21, filter screen assembly 3, filter screen body 31, filter screen hole 311, clamping convex point 312, fluid flow guide piece 32, connecting base 321, flow guide blade 322, flow guide groove 3221, flow guide plate 323, handle 33, sealing cover 4. DETAILED DESCRIPTION

[0029] The specific embodiment of the utility model is described in further detail below in combination with the drawings and examples. The following examples are used to illustrate the utility model, but not to limit the scope of the utility model.

[0030] As Figs. 1 to 3 The utility model discloses a heat recovery device with good filtering effect, which is mainly applied to the installation port of a basin of a hair washing and water flushing device in a hair salon or beauty salon. Of course, the heat recovery device with good filtering effect can also be applied to other fields. The installation port of the basin can be the installation port of a wash basin in a shower room, the installation port of a kitchen vegetable washing basin, or other fields requiring application. In this embodiment, the heat recovery device with good filtering effect is mainly applied to the installation port of the basin of the hair washing and water flushing device in the hair salon or beauty salon. The heat recovery device with good filtering effect comprises a drain shell 1, a water supply heat exchanger 2 and a filter screen assembly 3 connected in the drain shell 1. The filter screen assembly 3 is embedded in the upper end of the drain shell 1. Specifically, the filter screen assembly 3 comprises a filter screen body 31 and a fluid flow guide piece 32 for guiding hot wastewater to the water supply heat exchanger 2. The filter screen body 31 is embedded in the upper end of the drain shell 1. The filter screen body 31 has a plurality of filter screen holes 311. The fluid flow guide piece 32 is connected to the bottom end surface of the filter screen body 31.

[0031] On the basis of the sewer shell 1 and the water supply heat exchanger 2, the filter screen assembly 3 is additionally arranged, the filter screen assembly 3 is formed by combining the filter screen body 31 and the fluid guide 32, the filter screen body 31 is designed with the filter screen holes 311 which are communicated with the inner cavity of the sewer shell 1, and the separation of foreign matters and water is better achieved, and the foreign matters are such as hair and the like. In use, the filter screen body 31 is first adaptively embedded in the upper end of the sewer shell 1, the stable installation of the filter screen body 31 in the upper end of the sewer shell 1 is achieved, the stable installation of the structure is ensured, and the filter screen body 31 is not easily loosened and separated by the water flow, then the fluid guide 32 is designed on the bottom end surface of the filter screen body 31, the water flow path is optimized, the hot waste water is concentratedly guided to the water supply heat exchanger 2, and the heat recovery efficiency of the water supply heat exchanger 2 is improved. Compared with the traditional flat-bottom filter, the gravity center of the filter screen assembly 3 is changed, the structure weight is heavier, the loosening, displacement or floating of the filter screen assembly 3 caused by the water flow impact is effectively avoided, the foreign matters are better prevented from falling into the sewer shell 1, and thus the problems of the traditional flat-bottom filter such as easy loosening and easy blocking are solved, the filtering efficiency is good, and the stability of the structure, the heat recovery efficiency and the drainage efficiency are multiple improved.

[0032] In order to make the heat recovery device with good filtering effect achieve better filtering effect and drainage effect, the upper end of the sewer shell 1 is provided with a filter hole blocking wall 11 which is arranged around the filter screen assembly 3; and a plurality of filter holes 111 which are communicated with the inner cavity of the upper end of the sewer shell 1 are arranged on the filter hole blocking wall 11. On the basis of the filter screen assembly 3, the upper end of the sewer shell 1 is improved, and the filter hole blocking wall 11 is designed. By arranging the filter hole blocking wall 11, the foreign matters can be effectively blocked in the basin body, the preliminary separation of foreign matters and water is formed, and the first heavy filtering is formed. Under the action of the filter screen assembly 3, the second heavy filtering is formed. By designing the heat recovery device with good filtering effect, the heat recovery device with good filtering effect can achieve high-efficiency filtering effect, reduce the risk of foreign matter blocking, better improve the drainage efficiency, and better ensure the cleanliness of the inside of the sewer shell 1, thereby providing a more stable environment for heat recovery.

[0033] In the embodiment, the fluid guide 32 includes a connecting base 321 and guide leaves 322. The connecting base 321 is connected to the bottom end surface of the filter screen body 31; and a plurality of the guide leaves 322 are uniformly arranged around the connecting base 321 and are connected to the connecting base 321. By combining the connecting base 321 and the guide leaves 322, the connecting base 321 is used to connect the guide leaves 322 and the filter screen body 31, and the number and position of the guide leaves 322 are designed, so that the hot waste water can be effectively and concentratedly guided to the water supply heat exchanger 2, the heat recovery efficiency is improved, the heat recovery is high-efficiency, and good energy-saving and recycling effect is achieved.

[0034] In order to further optimize the fluid guide 32, the water supply heat exchanger 2 is a heat exchange coil; the heat exchange coil has a hollow drain flow channel 21 at the center position, which has good heat recovery effect and drainage effect. The fluid guide 32 further comprises a guide plate 323 connected with the connecting base 321 and extending outward around the connecting base 321; one end of the guide plate 323 away from the connecting base 321 is correspondingly arranged above the inner side of the heat exchange coil; one end of the guide leaf 322 away from the connecting base 321 is arranged above the outer side of the heat exchange coil. According to the type of the water supply heat exchanger 2, the fluid guide 32 is further optimized, and by combining the connecting base 321, the guide leaf 322 and the guide plate 323, the spacing space between the adjacent two guide leaves 322 is well received under the action of the guide plate 323, preventing the hot waste water from flowing down from the hollow drain flow channel 21 through the gap space, avoiding heat loss of the hot waste water, increasing the contact between the hot waste water and the water supply heat exchanger 2, and improving the heat recovery efficiency, thereby achieving better energy-saving recovery effect. In another aspect of the design, the fluid guide 32 formed by the combination of the connecting base 321, the guide leaf 322 and the guide plate 323, the design of the fluid guide 32 changes the gravity center of the filter screen assembly 3 and the structure weight is heavier, compared with the traditional flat-bottom filter, effectively avoiding the problem of loosening, displacement or floating of the filter screen assembly 3 caused by water flow impact, better preventing foreign matters from falling into the drain shell 1, thereby solving the problems of easy loosening and easy clogging of the traditional flat-bottom filter, improving the filtering efficiency, and realizing the multiple improvement of the stability of the structure, the heat recovery efficiency and the drainage efficiency.

[0035] Preferably, the top view angle of the guide leaf 322 is fan-shaped; one end of the guide leaf 322 away from the connecting base 321 is arranged in an arc shape and curved downward. The design of the shape of the guide leaf 322 can better guide and disperse the hot waste water, so that the hot waste water flows better to the water supply heat exchanger 2, increases the contact between the hot waste water and the water supply heat exchanger 2, and improves the heat recovery efficiency, thereby achieving better energy-saving recovery effect. On the other hand, the design of the guide plate 323, the top view angle of the guide plate 323 is circular. One end of the guide plate 323 away from the connecting base 321 is arranged in an arc shape and curved downward. The shape design of the guide plate 323 has basically the same effect as the shape design of the guide leaf 322, which can well receive the spacing space between the adjacent two guide leaves 322, prevent the hot waste water from flowing down from the hollow drain flow channel 21 through the gap space, avoid heat loss of the hot waste water, increase the contact between the hot waste water and the water supply heat exchanger 2, and improve the heat recovery efficiency, thereby achieving better energy-saving recovery effect.

[0036] In order to achieve better flow guiding effect, so that the better heat exchange between the hot waste water and the water supply heat exchanger 2, the top end surface of the flow guide vane 322 has a flow guide groove 3221 which is opened along the length direction and used for guiding the hot waste water to the water supply heat exchanger 2.

[0037] Preferably, the filter holes 111 can be in strip shape, or the filter mesh holes 311 are in strip shape, or both are in strip shape. Specifically, the strip-shaped holes are like strip-shaped grid holes. In this way, the filter holes 111 and the filter mesh holes 311 are designed, which increases the drainage space and achieves better drainage effect. Of course, the shapes of the filter holes 111 and the filter mesh holes 311 are not limited to this, and can be other regular shape holes, such as circular holes, square holes, oval holes, etc., or other irregular shape holes.

[0038] In this embodiment, the filter screen assembly 3 is further optimized, and the filter screen assembly 3 further comprises a handle 33 connected to the center position in the filter screen body 31. The design of the handle 33 can facilitate the lifting of the filter screen assembly 3, so as to facilitate the cleaning of foreign matters in the filter screen assembly 3, further change the center of gravity of the filter screen assembly 3, and the structure is heavier, which effectively avoids the problem of loosening, displacement or floating of the filter screen assembly 3 caused by water flow impact, better prevents foreign matters from falling into the drain shell 1, solves the problems of easy loosening and easy clogging of the traditional flat bottom filter, has good filtering efficiency, and realizes the multiple improvement of the stability of the structure, heat recovery efficiency and drainage efficiency. The position of the handle 33 is not limited to this, and can also be provided on other positions of the filter screen body 31, such as the side wall of the filter screen body 31.

[0039] In this embodiment, the outer wall of the filter screen body 31 has a clamping protrusion 312; the inner wall of the upper end of the drain shell 1 has a clamping groove 12 which is matched and embeddedly connected with the clamping protrusion 312. By designing the clamping protrusion 312 and the clamping groove 12 to be matched and embeddedly connected, the detachable embedded connection between the filter screen assembly 3 and the drain shell 1 is realized, the connection stability of the structure is realized, the problem of loosening, displacement or floating of the filter screen assembly 3 caused by water flow impact is effectively avoided, foreign matters are better prevented from falling into the drain shell 1, and the problems of easy loosening and easy clogging of the traditional flat bottom filter are solved.

[0040] In this embodiment, the upper end of the drain shell 1 is correspondingly matched and embedded with a sealing cover 4 for sealing the upper end opening of the drain shell 1 above the filter screen assembly 3.

[0041] It should be noted that the water supply heat exchanger 2 is a general standard part or a component known to those skilled in the art, and its structure and principle can be known by technical personnel through technical manual or through conventional experimental method.

[0042] In summary, the heat recovery device with good filtering effect has the following advantages.

[0043] I. On the basis of the drain shell 1 and the water supply heat exchanger 2, the filter screen assembly 3 is additionally arranged, the filter screen assembly 3 is formed by combining the filter screen body 31 and the fluid guide 32, the filter screen body 31 is designed with the filter screen hole 311 which is communicated with the inner cavity of the drain shell 1, and the foreign matters and water are better separated, and the foreign matters are hair and the like. In use, the filter screen body 31 is first adaptively embedded in the upper end of the drain shell 1, the filter screen body 31 is stably installed in the upper end of the drain shell 1, the stable installation of the structure is ensured, the filter screen body 31 is not easy to be loosened and separated by the water flow, the fluid guide 32 is designed on the bottom end surface of the filter screen body 31, the water flow path is optimized, the hot waste water is concentrated to flow to the water supply heat exchanger 2, the heat recovery efficiency of the water supply heat exchanger 2 is improved, compared with the traditional flat bottom filter, the gravity center of the filter screen assembly 3 is changed, the structure weight is heavier, the loosening, displacement or floating of the filter screen assembly 3 caused by the water flow impact is effectively avoided, the foreign matters are better prevented from falling into the drain shell 1, and therefore the problems of the traditional flat bottom filter, such as easy loosening and easy blocking, are solved, the filtering efficiency is good, and the stability of the structure, the heat recovery efficiency and the drainage efficiency are multiple improved.

[0044] II. On the basis of the filter screen assembly 3, the upper end of the drain shell 1 is improved, the filter hole blocking wall 11 is designed, the foreign matters can be effectively blocked in the basin body by arranging the filter hole blocking wall 11, the preliminary separation of the foreign matters and water is formed, the first heavy filtering is formed, and the second heavy filtering is formed under the action of the filter screen assembly 3. The heat recovery device with good filtering effect is designed, the heat recovery device with good filtering effect can achieve high-efficiency filtering effect, the risk of foreign matter blocking is reduced, the drainage efficiency is better improved, and the cleanliness of the inside of the drain shell 1 is better ensured, and a more stable environment is provided for heat recovery.

[0045] The above only describes the preferred embodiments of the present application, and it should be noted that, for ordinary skilled persons in the technical field, some improvements and replacements can be made without departing from the technical principles of the present application, and these improvements and replacements should be regarded as the protection scope of the present application.

Claims

1. A heat recovery device with good filtering effect, comprising a lower water shell and a water supply heat exchanger connected in the lower water shell; characterized in that, The filter net assembly comprises a filter net body and a fluid guide member for guiding hot waste water to the water supply heat exchanger; the filter net body is embedded in the upper end of the lower water shell; the filter net body has a plurality of filter net holes; the fluid guide member is connected with the bottom end surface of the filter net body.

2. The heat recovery device with good filtering effect according to claim 1, characterized in that, The upper end of the lower water shell has a filter hole blocking wall arranged around the filter net assembly; the filter hole blocking wall is provided with a plurality of filter holes connected with the inner cavity of the upper end of the lower water shell.

3. The heat recovery device with good filtering effect according to claim 2, characterized in that, The fluid guide member comprises: a connecting base connected with the bottom end surface of the filter net body; a plurality of guide leaves evenly arranged around the connecting base and connected with the connecting base.

4. The heat recovery device with good filtering effect according to claim 3, characterized in that, The water supply heat exchanger is a heat exchange coil; the heat exchange coil has a hollow waste water flow channel at the center position; The fluid guide member further comprises a guide plate connected with the connecting base and arranged outwardly around the connecting base; one end of the guide plate away from the connecting base is arranged above the inner side of the heat exchange coil; one end of the guide leaf away from the connecting base is arranged above the outer side of the heat exchange coil.

5. The heat recovery device with good filtration effect according to claim 4, characterized in that, The top view angle of the guide leaf is fan-shaped; the top view angle of the guide plate is circular.

6. The heat recovery device with good filtration effect according to claim 4, characterized in that, One end of the guide leaf away from the connecting base is arranged in an arc shape downwardly; one end of the guide plate away from the connecting base is arranged in an arc shape downwardly.

7. The heat recovery device with good filtration effect according to claim 3, characterized in that, The top end surface of the guide leaf has a guide groove opened along the length direction and used for guiding hot waste water to the water supply heat exchanger.

8. The heat recovery device with good filtration effect according to claim 2, characterized in that, The filter hole and / or the filter net hole is in a strip shape.

9. The heat recovery device with good filtration effect according to claim 2, characterized in that, The filter net assembly further comprises a handle connected with the center position in the filter net body.

10. The heat recovery device with good filtration effect according to claim 2, characterized in that, The outer wall of the filter net body has clamping protrusions; the inner wall of the upper end of the lower water shell has clamping grooves matched with the clamping protrusions for clamping connection.

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