Heat exchange unit with heat supply energy-saving structure

By setting up a filtering mechanism and energy-saving design in the heat exchanger unit, the problems of impurity and dirt blockage in the cold flow and waste of waste heat are solved, efficient filtration and waste heat recovery are achieved, the equipment life is extended and energy utilization is improved.

CN223448997UActive Publication Date: 2025-10-17ZHANGYE GUANGYUAN ENVIRONMENTAL PROTECTION & ENERGY SAVING TECH CO LTD
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Patent Information

Application Number
CN202422553519.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-22
Publication Date
2025-10-17
Estimated Expiration
2034-10-22

AI Technical Summary

Technical Problem

When existing heat exchangers are in use, impurities and dirt in the cold flow easily adhere to the inner wall of the U-shaped tube bundle, causing blockage and corrosion, affecting heat exchange efficiency and equipment life. At the same time, waste heat is not effectively utilized, resulting in heat waste.

Method used

A filtering mechanism is set up in the heat exchanger unit, including a filter mesh and an activated carbon adsorption layer, to preliminarily filter impurities and adsorb harmful substances in the water; at the same time, the heat exchange efficiency is ensured through the design of partitions and guide plates, and the circulating water pump is used to recover waste heat for reuse.

Benefits of technology

It effectively prevents pipe blockage, extends equipment life, improves heat exchange efficiency, and improves energy utilization through waste heat recovery to achieve energy saving effects.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223448997U_ABST
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Abstract

The utility model discloses a heat exchange unit with a heat supply energy-saving structure, and particularly relates to the technical field of heat exchange units, which comprises a heat exchanger shell, a cold water inlet pipe is fixedly arranged at the top of the heat exchanger shell, and a hot water inlet pipe is fixedly arranged on one side of the cold water inlet pipe. Fixing boxes are arranged at the bottoms of the cold water inlet pipe and the hot water inlet pipe in a penetrating mode, filtering mechanisms are fixedly arranged in the fixing boxes and comprise first filtering frames fixedly arranged in the fixing boxes, filtering nets are slidably connected into the first filtering frames, and second filtering frames are fixedly arranged at the bottoms of the first filtering frames; and a filter box is slidably connected into the second filter frame. According to the utility model, fluid water can be filtered, impurities in the water can be removed, pipeline blockage can be effectively prevented, waste heat can be recovered, heat source consumption can be reduced, the comprehensive utilization efficiency of energy can be effectively improved, and the energy-saving effect can be realized.
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Description

TECHNICAL FIELD

[0001] The utility model relates to heat exchange unit technical field, more specifically, the utility model relates to a heat exchange unit with heat supply energy -saving structure. BACKGROUND

[0002] The heat exchange unit is a complete heat exchange device, the heat exchange unit has the design of standardization, modularization, complete configuration, convenient installation, high efficiency and energy saving, compact structure, reliable operation, simple and intuitive operation and the like, and the heat exchanger is the core structure of the heat exchange unit;

[0003] The heat exchanger of the heat exchange unit in the existing mechanism produces a large amount of residual heat on the surface when in use, so that more heat is wasted.

[0004] Through the retrieval, the patent with the authorized announcement number CN218884729U discloses a heat exchange unit with heat supply energy -saving structure, the structure can transmit the residual heat in the heat exchanger to the transition pipe through the gas pipe arranged between the heat exchanger outer shell and the transition pipe, can preliminarily heat the cold liquid about to enter the heat exchanger, so as to improve the heat utilization of the heat exchanger, so as to better heat the cold flow, and the sealing assembly can conveniently seal the pipeline connected with the cold flow inlet pipe, so as to prevent the leakage from occurring, and then the stability and safety of use can be improved.

[0005] But the structure in actual use, through the flow pump directly into the distribution chamber cold flow, and the fluid water still has a large amount of impurities and dirt, and the cold flow enters the U-shaped tube bundle when dirt adheres to the inner wall of the U-shaped tube bundle, long-term use is easy to cause the U-shaped tube bundle to be blocked, and also can corrode the inner wall of the U-shaped tube bundle, and then influence the heat exchange efficiency and equipment life. Utility model content

[0006] In order to overcome the above-mentioned defects of the prior art, the utility model provides a heat exchange unit with heat supply energy -saving structure to solve the problems in the above background art.

[0007] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0008] A heat exchange unit with heat supply energy -saving structure, including heat exchanger shell, the top of heat exchanger shell is fixedly arranged with cold water inlet pipe, one side of cold water inlet pipe is fixedly arranged with hot water inlet pipe, the bottom of cold water inlet pipe and hot water inlet pipe is all through fixedly arranged with fixed box, the inside of fixed box is fixedly arranged with filter mechanism;

[0009] The filtering mechanism comprises a first filtering frame fixedly arranged in the fixed box, a filtering screen slidably connected in the first filtering frame, a second filtering frame fixedly arranged at the bottom of the first filtering frame, and a filtering box slidably connected in the second filtering frame.

[0010] By adopting the above technical scheme, the fluid water can be filtered, and impurities in the water can be removed, thereby effectively preventing pipeline blockage.

[0011] As a further description of the above technical scheme, the surface of the fixed box is provided with two sliding grooves, the sliding grooves are slidably connected with sliding rods, the sliding rods are fixedly provided with sealing plates on one side, the surface of the sliding rods is provided with threaded grooves, the threaded grooves are threadedly connected with bolts, one end of the bolts penetrates through the first filtering frame and extends outward, the bottom of the fixed box is provided with a conveying pipe, and one end of the conveying pipe penetrates through the heat exchanger shell and extends into the heat exchanger shell.

[0012] By adopting the above technical scheme, the filtering screen and the adsorption layer can be conveniently disassembled, cleaned or replaced, and the use effect is improved.

[0013] As a further description of the above technical scheme, the top of the heat exchanger shell is fixedly provided with an energy-saving mechanism, the energy-saving mechanism comprises a recovery pipe penetratingly arranged at the top of the heat exchanger shell, the recovery pipe is fixedly provided with a circulating water pump on one side, the circulating water pump is fixedly provided with a water stop valve at one end, the heat exchanger shell is fixedly provided with a partition plate inside, the partition plate is penetratingly provided with a plurality of U-shaped pipe bundles on one side, the U-shaped pipe bundles are fixedly provided with a plurality of guide plates on the surface, the guide plates are in contact with the inner wall of the heat exchanger shell on one side, the heat exchanger shell is fixedly provided with a heat insulation layer on the surface, the heat insulation layer is made of polystyrene foam material, the bottom of the heat exchanger shell is fixedly provided with a cold water outlet pipe, the cold water outlet pipe is fixedly provided with a hot water outlet pipe on one side, and the hot water outlet pipe is communicated with the recovery pipe.

[0014] By adopting the above technical scheme, the waste heat can be recovered, the consumption of heat source can be reduced, the comprehensive utilization efficiency of energy can be effectively improved, and the energy-saving effect can be achieved.

[0015] The technical effects and advantages of the utility model are as follows:

[0016] 1. By setting the filtering mechanism, compared with the prior art, the larger particles in the water, such as sand, rust, etc. are filtered by the filter screen inside the fixed box, and then flow to the adsorption layer inside the filter box, which is made of activated carbon material, which can effectively adsorb residual chlorine, bacteria, organic matter, etc. in the water, thereby ensuring the filtering effect, preventing impurities and dirt from entering the inside of the heat exchanger shell, thereby effectively preventing blockage, and facilitating disassembly and cleaning, thereby prolonging the service life.

[0017] 2. By setting the energy-saving mechanism, compared with the prior art, hot water enters the inside of the U-shaped tube bundle, and cold water enters the inside of the heat exchanger shell through the blocking of the partition, at this time, the cold water is guided to flow by the guide plate, so that the cold water is in full contact with the U-shaped tube bundle, improving the efficiency of heat exchange, after use, open the water stop valve to start the circulating water pump, the hot water still has residual heat, through the hot water outlet pipe into the recovery pipe, the residual heat is transported to the inside of the heat exchanger shell, for recycling, improving the energy utilization efficiency, thereby achieving the effect of energy saving. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the overall structure schematic diagram of the utility model.

[0019] Figure 2 It is the heat exchanger shell cross section structure schematic diagram of the utility model.

[0020] Figure 3 It is the filtering mechanism structure schematic diagram of the utility model.

[0021] Figure 4 It is the filtering mechanism split structure schematic diagram of the utility model.

[0022] Figure 5 It is the energy-saving mechanism structure schematic diagram of the utility model.

[0023] The figure mark is: 1, heat exchanger shell;2, cold water inlet pipe;3, hot water inlet pipe;4, fixed box;5, first filter frame;6, filter screen;7, second filter frame;8, filter box;9, adsorption layer;10, sliding groove;11, slide bar;12, sealing plate;13, threaded groove;14, bolt;15, conveying pipe;16, recovery pipe;17, circulating water pump;18, water stop valve;19, partition;20, U-shaped tube bundle;21, guide plate;22, heat insulation layer;23, cold water outlet pipe;24, hot water outlet pipe. DETAILED DESCRIPTION

[0024] Clearly, the described embodiments are merely a part of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0025] The embodiment of the present application discloses a heat exchange unit with a heat supply energy-saving structure as shown in the figure, Figures 1-5 The heat exchange unit with the heat supply energy-saving structure comprises a heat exchanger shell 1, a cold water inlet pipe 2 is fixedly arranged at the top of the heat exchanger shell 1, a hot water inlet pipe 3 is fixedly arranged at one side of the cold water inlet pipe 2, a fixed box 4 is throughly arranged at the bottom of the cold water inlet pipe 2 and the hot water inlet pipe 3, and a filtering mechanism is fixedly arranged in the fixed box 4.

[0026] The filtering mechanism comprises a first filtering frame 5 fixedly arranged in the fixed box 4, a filtering screen 6 is slidably connected in the first filtering frame 5, a second filtering frame 7 is fixedly arranged at the bottom of the first filtering frame 5, a filtering box 8 is slidably connected in the second filtering frame 7, a plurality of filtering holes are formed in the surface of the filtering box 8, an adsorption layer 9 is fixedly arranged in the filtering box 8, the adsorption layer 9 is made of activated carbon material, the external heat source pipeline is connected with the hot water inlet pipe 3, then the cold water pipeline of the external user is connected with the cold water inlet pipe 2, then the hot water and the cold water enter into the inside of the fixed box 4, the filtering screen 6 in the fixed box 4 is used for preliminary filtering, the larger impurities such as silt and rust in the water are filtered, then flow to the adsorption layer 9 in the filtering box 8, the adsorption layer 9 is made of activated carbon material, can effectively adsorb the residual chlorine, bacteria and organic matters in the water, and further ensure the filtering effect, prevent the impurities and dirt from entering into the inside of the heat exchanger shell 1, and further effectively prevent the blockage.

[0027] Refer to Figures 2-3As shown, the surface of the fixed box 4 is provided with two grooves 10, the inside of the two grooves 10 is slidably connected with the slide strip 11, one side of the slide strip 11 is fixedly provided with the sealing plate 12, the surface of the slide strip 11 is provided with the threaded groove 13, the threaded groove 13 is threadedly connected with the bolt 14, one end of the bolt 14 penetrates the first filter frame 5 and extends to the outside of the first filter frame 5, the bottom of the fixed box 4 is provided with the conveying pipe 15, one end of the conveying pipe 15 penetrates the heat exchanger shell 1 and extends to the inside of the heat exchanger shell 1, the positive rotation of the bolt 14 drives the bolt 14 to be taken out from the inside of the threaded groove 13, then the sealing plate 12 is pulled upwards, so that the slide strip 11 is moved in the inside of the groove 10, the sealing plate 12 is opened, then the filter screen 6 is pulled outwards, so that the filter screen 6 is moved in the inside of the first filter frame 5, and then the filter screen 6 is taken down for cleaning, then the filter box 8 is pulled outwards, so that the filter box 8 is taken out from the inside of the second filter frame 7, and then the adsorption layer 9 in the filter box 8 is taken out for replacement, so that the operation is convenient and fast.

[0028] Referring to Figures 4-5 As shown, the top of the heat exchanger shell 1 is fixedly provided with an energy-saving mechanism, the energy-saving mechanism comprises a recovery pipe 16 penetratingly arranged at the top of the heat exchanger shell 1, one side of the recovery pipe 16 is fixedly provided with a circulating water pump 17, one end of the circulating water pump 17 is fixedly provided with a water stop valve 18, the inside of the heat exchanger shell 1 is fixedly provided with a partition plate 19, one side of the partition plate 19 is penetratingly provided with a plurality of U-shaped tube bundles 20, the surfaces of the plurality of U-shaped tube bundles 20 are fixedly provided with a plurality of flow guides 21, one side of the plurality of flow guides 21 is in contact with the inner wall of the heat exchanger shell 1, the surface of the heat exchanger shell 1 is fixedly provided with a heat insulation layer 22, the heat insulation layer 22 is made of polystyrene foam material, the bottom of the heat exchanger shell 1 is fixedly provided with a cold water outlet pipe 23, one side of the cold water outlet pipe 23 is fixedly provided with a hot water outlet pipe 24, the hot water outlet pipe 24 is communicated with the recovery pipe 16, hot water enters the inside of the heat exchanger shell 1 through the conveying pipe 15, and is blocked by the partition plate 19 to enter the inside of the U-shaped tube bundle 20, at the same time, cold water also enters the inside of the heat exchanger shell 1 through another conveying pipe 15, at this time, the cold water is guided to fully contact with the U-shaped tube bundle 20 through the flow guide 21, and then heat exchange is carried out. The hot water in the U-shaped tube bundle 20 transmits heat to the cold water, so that the temperature of the cold water is increased, the heated cold water is sent to the user end through the cold water outlet pipe 23, and the user is provided with heat supply service, the water stop valve 18 is opened and the circulating water pump 17 is started, the hot water is discharged through the hot water outlet pipe 24, and the residual heat is still remained in the hot water, and then the residual heat is conveyed to the inside of the heat exchanger shell 1 through the external circulating pipe and the recovery pipe 16, so that the residual heat is circularly used, the energy utilization efficiency is improved, and the energy-saving effect is achieved.

[0029] The working principle of the utility model:

[0030] The utility model discloses a heat exchange unit with heat supply energy -saving structure, the device is in use, connects with hot water inlet pipe 3 with outside heat source pipeline, then connects with cold water inlet pipe 2 with the cold water pipeline of outside user, then hot water and cold water enter the inside of fixed box 4 respectively, and the filter screen 6 in fixed box 4 is preliminary filtered, and the larger particle impurities in water, such as silt, rust etc. are filtered, then flow to the adsorption layer 9 in the filter box 8 inside, and the adsorption layer 9 is made of activated carbon material, can effectively adsorb the residual chlorine, bacteria, organic matter etc. in water, and then ensure the filtering effect, prevent the impurity dirt from entering the inside of heat exchanger shell 1, and then effectively prevent the blockage.

[0031] Then hot water enters the inside of heat exchanger shell 1 through the delivery pipe 15, and the hot water enters the inside of U-shaped tube bundle 20 through the block of baffle 19, and cold water also enters the inside of heat exchanger shell 1 through another delivery pipe 15, and the cold water is guided to make the contact with U-shaped tube bundle 20 through the guide plate 21, and then carries out heat exchange.

[0032] After use, open the water stop valve 18 and start the circulating water pump 17, and the hot water is discharged through the hot water outlet pipe 24, and the residual heat in the hot water is transported to the inside of heat exchanger shell 1 through the external circulating pipe and recovery pipe 16, and then the energy utilization efficiency is improved, and the energy -saving effect is achieved, and the surface of heat exchanger shell 1 is provided with heat insulation layer 22, and the heat loss is reduced.

[0033] The positive rotation bolt 14 is taken out from the inside of thread groove 13, and then the sealing plate 12 is pulled upwards, so as to drive the sliding bar 11 to move in the inside of sliding groove 10, and the sealing plate 12 is opened, and then the filter screen 6 is pulled outwards, so as to drive the filter screen 6 to move in the inside of first filter frame 5, and then the filter screen 6 is taken down for cleaning, and then the filter box 8 is pulled outwards, so as to drive the filter box 8 to be taken out from the inside of second filter frame 7, and then the adsorption layer 9 in the inside of filter box 8 is taken out for replacement, and the operation is convenient and fast.

[0034] The above are the preferred embodiments of the application, and not limit the protection scope of the application, so: all equivalent changes made according to the structure, shape, principle of the application should be covered in the protection scope of the application.

Claims

1. A heat exchange unit with a heat supply energy-saving structure, comprising a heat exchanger housing (1), characterized in that: A cold water inlet pipe (2) is fixedly provided on the top of the heat exchanger housing (1), a hot water inlet pipe (3) is fixedly provided on one side of the cold water inlet pipe (2), a fixing box (4) is provided through the bottoms of both the cold water inlet pipe (2) and the hot water inlet pipe (3), and a filtering mechanism is fixedly provided inside the fixing box (4); The filtering mechanism comprises a first filter frame (5) fixedly arranged inside a fixed box (4), a filter screen (6) being slidably connected inside the first filter frame (5), a second filter frame (7) being fixedly arranged at the bottom of the first filter frame (5), a filter box (8) being slidably connected inside the second filter frame (7), a plurality of filter holes being provided on the surface of the filter box (8), an adsorption layer (9) being fixedly arranged inside the filter box (8), and the adsorption layer (9) being made of activated carbon.

2. The heat exchange unit with a heat supply and energy-saving structure according to claim 1, characterized in that: Two slide grooves (10) are provided on the surface of the fixed box (4), and a slide bar (11) is slidably connected inside the two slide grooves (10), and a sealing plate (12) is fixedly provided on one side of the slide bar (11).

3. The heat exchange unit with a heat supply and energy-saving structure according to claim 2, characterized in that: A thread groove (13) is provided on the surface of the slide bar (11), and a bolt (14) is connected to the inner thread of the thread groove (13), and one end of the bolt (14) passes through the first filter frame (5) and extends to the outside of the first filter frame (5).

4. The heat exchange unit with a heat supply and energy-saving structure according to claim 1, characterized in that: A delivery pipe (15) is provided through the bottom of the fixing box (4), and one end of the delivery pipe (15) passes through the heat exchanger shell (1) and extends into the interior of the heat exchanger shell (1).

5. The heat exchange unit with a heat supply and energy-saving structure according to claim 1, characterized in that: An energy-saving mechanism is fixedly provided on the top of the heat exchanger shell (1), and the energy-saving mechanism comprises a recovery pipe (16) which is provided through the top of the heat exchanger shell (1), a circulating water pump (17) is fixedly provided on one side of the recovery pipe (16), and a water stop valve (18) is fixedly provided on one end of the circulating water pump (17).

6. The heat exchange unit with a heat supply and energy-saving structure according to claim 1, characterized in that: A partition (19) is fixedly provided inside the heat exchanger shell (1), a plurality of U-shaped tube bundles (20) are provided through one side of the partition (19), a plurality of guide plates (21) are fixedly provided on the surface of the plurality of U-shaped tube bundles (20), and one side of the plurality of guide plates (21) is in contact with the inner wall of the heat exchanger shell (1).

7. The heat exchange unit with a heat supply and energy-saving structure according to claim 1, characterized in that: The surface of the heat exchanger shell (1) is fixedly provided with a heat insulation layer (22), and the heat insulation layer (22) is made of polystyrene foam material. A cold water outlet pipe (23) is fixedly provided at the bottom of the heat exchanger shell (1), and a hot water outlet pipe (24) is fixedly provided on one side of the cold water outlet pipe (23), and the hot water outlet pipe (24) is connected to the recovery pipe (16).

Citation Information

Patent Citations

  • Heat exchange unit with heat supply energy-saving structure

    CN218884729U