Low-cost waste heat recycling device

Abstract

The utility model discloses a low-cost waste heat recycling device, which relates to the technical field of waste heat recycling and comprises a waste heat furnace and a base, a connecting seat is fixedly connected between the waste heat furnace and the base, the front surface of the base is fixedly connected with an air inlet, and the front surface of a filter screen is provided with a connecting cover. A cleaning rod used for cleaning is fixedly connected to the rear surface of the connecting cover, smoke flows through a set of spiral grooves formed in the two heat conduction blocks, the smoke spirally flows through the design of the spiral grooves, the contact area between the smoke and the heat conduction blocks is increased, heat energy makes more sufficient contact with the heat conduction blocks, and the heat conduction efficiency is improved. The heat conduction block transmits heat to the set of heat conduction rods for heat conduction so that water in the waste heat furnace can be heated, the set of heat conduction fins are arranged on the surfaces of the heat conduction rods to increase the heat conduction area, the water is heated into high-temperature and high-pressure steam, the high-temperature and high-pressure steam can drive the steam turbine to rotate, heat energy is converted into mechanical energy, and low-cost waste heat recycling is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a low -cost waste heat recycling device for recycling. BACKGROUND

[0002] Waste heat recycling device as a kind of key equipment for improving energy utilization efficiency, in industrial production, commercial operation and daily life and many other fields have extremely important application. The device aims at capturing and reusing the waste heat that will be discharged to the environment, converts it into usable energy form, such as heating water, preheating air or driving power generation equipment etc.

[0003] In common waste heat recycling device, usually have the following main structure:

[0004] 1, heat exchange unit: responsible for the heat transfer between high temperature fluid (such as industrial production process exhaust gas, waste water etc.) and low temperature fluid (such as water, air etc.), and its heat exchange efficiency directly affects the effect of waste heat recovery.

[0005] 2, storage unit: for temporary storage of recycled heat, to balance the time difference between heat generation and use, ensure that when needed can stably provide heat energy.

[0006] 3, conveying pipeline: connecting various components, guarantee fluid flow smoothly in the device, at the same time, it should have good heat insulation performance, reduce heat loss in the process of conveying.

[0007] 4, control system: monitoring and adjusting the operation of the whole device, ensure that the device runs in safe and efficient state, realize automatic operation, improve the convenience of operation management.

[0008] At present, in order to realize more efficient waste heat recovery, industry has adopted a variety of technologies and equipment. Some enterprises use large plate heat exchanger, it has larger heat transfer area, can realize efficient heat transfer to a certain extent;Some enterprises use heat pipe technology, by virtue of the excellent heat conductivity of heat pipe to recycle waste heat;In addition, there are also enterprises to build complex waste heat recovery system, integrated with a variety of advanced equipment, to realize the comprehensive utilization of different types of waste heat.

[0009] However, the above existing implementation still has a series of problems. In terms of cost control, many waste heat recovery equipment structures are complex and expensive, making it difficult for many enterprises, especially small and medium-sized enterprises, to afford, limiting the wide application of waste heat recovery technology. In terms of waste heat recovery efficiency, the absorption of heat by some devices is not sufficient, and a large amount of waste heat is still wasted, failing to achieve the maximization of energy utilization. At the same time, in response to high-temperature flue gas containing impurities, some existing filtering mechanisms have deficiencies, and it is difficult to effectively clean the filter screen, which causes the filter screen to be easily blocked, affecting the normal operation and service life of the device. In view of these problems, the present application proposes an innovative waste heat recovery and recycling device solution, which reasonably arranges the heat conduction rods and opens spiral grooves on the heat conduction blocks to increase the heating area and increase the gas flow. The structure is simple, the cost is low, and the waste heat recovery and utilization are realized at low cost. At the same time, the flue gas filtering mechanism is equipped with a filter screen that is easy to clean, effectively improving the overall performance and practicality of the device. Content of the utility model

[0010] In view of the deficiencies of the prior art, the low-cost waste heat recovery and recycling device is provided, which solves the problems that many waste heat recovery equipment structures are complex and expensive, making it difficult for many enterprises, especially small and medium-sized enterprises, to afford, limiting the wide application of waste heat recovery technology, and the absorption of heat by some devices is not sufficient, a large amount of waste heat is still wasted, and energy maximization is not achieved.

[0011] In order to achieve the above purpose, the present application realizes the following technical scheme:

[0012] A low-cost waste heat recovery and recycling device, comprising a waste heat furnace and a base, a connecting seat is fixedly connected between the waste heat furnace and the base, an air inlet is fixedly connected to the front surface of the base, a filter screen is movably sleeved in the air inlet, a connecting cover is arranged on the front surface of the filter screen, a cleaning rod for cleaning is fixedly connected to the rear surface of the connecting cover, a fixing frame is fixedly connected in the connecting seat, two heat conduction blocks are fixedly connected in the fixing frame, a group of spiral grooves for improving heat transfer efficiency are arranged on the upper surfaces of the two heat conduction blocks, a group of heat conduction rods for heat conduction are fixedly connected to the upper surfaces of the two heat conduction blocks, a fastening head is fixedly connected to the front surface of the connecting cover, and the cleaning rod is movably connected with the filter screen.

[0013] Preferably, an annular groove is arranged on the front surface of the filter screen, the annular groove is threadedly sleeved with the connecting cover, and a group of heat conduction fins are fixedly connected to the surface of each heat conduction rod.

[0014] Preferably, an air outlet is arranged on the rear surface of the connecting seat, and a heat conduction plate is fixedly connected to the lower surface of each heat conduction block.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] 1、In the use process, high temperature flue gas enters the connecting seat through the air inlet, first contacts with the heat conduction plate after entering the connecting seat and transmits heat to two heat conduction blocks, the flue gas flows through a group of spiral grooves on the two heat conduction blocks, the spiral groove itself is designed to make the flue gas spiral flow, improve the contact area with the heat conduction block, make the heat energy more fully contact with the heat conduction block, the heat conduction block transmits heat to a group of heat conduction rods and makes the waste heat boiler water warm, the heat conduction rod surface is provided with a group of heat conduction fins and increases the heat conduction area, the water is heated into high temperature and high pressure steam, the high temperature and high pressure steam can drive the steam turbine to rotate, converts the heat energy into mechanical energy, realizes the low cost waste heat recovery and recycling, reduces the energy consumption.

[0017] 2、In the process of entering, the flue gas will first be filtered through the filter screen, after using for a period of time, the filter screen needs to be cleaned, the fixed screw on the filter screen is rotated to open the limit, at this time, the fixed connecting cover is rotated by rotating the fastening head, the connecting cover is separated from the sleeve joint of the annular groove on the filter screen, the connecting cover can be disassembled, the fixed cleaning rod on the connecting cover will also take out the residual waste residue in the inner wall of the filter screen during the outward pulling process of the connecting cover, the cleaning of the inner wall of the filter screen is completed at the same time of the removal of the cleaning rod, the operation is simple, the difficulty and cost of the later cleaning work are reduced, and the cleaning efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] The above description is only a summary of the technical scheme of the utility model, in order to more clearly understand the technical means of the utility model, and can be implemented according to the content of the specification, the following is the preferred embodiment of the utility model and the detailed description of the drawings.

[0019] Figure 1 It is the overall structure diagram of the utility model;

[0020] Figure 2 It is the filter screen structure diagram of the utility model;

[0021] Figure 3 It is the cleaning rod structure diagram of the utility model;

[0022] Figure 4 It is the heat conduction rod structure diagram of the utility model.

[0023] Legend: 1, waste heat boiler;2, base;3, connecting seat;4, air inlet;5, filter screen;6, connecting cover;7, fastening head;8, cleaning rod;9, annular groove;10, heat conduction rod;11, heat conduction fin;12, spiral groove;13, heat conduction block;14, air outlet;15, fixed frame;16, heat conduction plate. DETAILED DESCRIPTION

[0024] The embodiment of the application provides a low-cost waste heat recovery recycling device, effectively solves the problems that many waste heat recovery equipment structures are complex, the cost is high, many enterprises, especially small and medium-sized enterprises, are difficult to afford, the wide application of waste heat recovery technology is limited, the heat absorption of part of the device is not sufficient in the waste heat recovery efficiency, a large amount of waste heat is still wasted, and the maximum utilization of energy cannot be realized, the heat rods are reasonably arranged, the spiral grooves are arranged on the heat conduction blocks to increase the heating area and the gas flow, the structure is simple, the cost is low, the waste heat recovery utilization with low cost is realized, the flue gas filtering mechanism with the convenient cleaning filter screen is matched, and the overall performance and practicality of the device are effectively improved.

[0025] Embodiment

[0026] As shown in Figure 1 , Figure 2 , Figure 3 and Figure 4 , the technical scheme in the embodiment of the application effectively solves the technical problems that many waste heat recovery equipment structures are complex, the cost is high, many enterprises, especially small and medium-sized enterprises, are difficult to afford, the wide application of waste heat recovery technology is limited, the heat absorption of part of the device is not sufficient in the waste heat recovery efficiency, a large amount of waste heat is still wasted, and the maximum utilization of energy cannot be realized, and the overall idea is as follows:

[0027] The utility model provides a low -cost waste heat recovery recycling device, including waste heat boiler 1 and base 2, waste heat boiler 1 and base 2 between fixedly connected with connecting seat 3, the front surface fixedly connected with air intake 4 of base 2, the filter screen 5 of movable sleeve joint is established in air intake 4, the front surface of filter screen 5 is provided with connecting cover 6, the rear surface fixedly connected with the cleaning rod 8 for cleaning of connecting cover 6, the fixed frame 15 is fixedly connected in connecting seat 3, the fixed frame 15 is fixedly connected with two heat conducting blocks 13, the upper surface of two heat conducting blocks 13 all is set up with a group of helical groove 12 for improving heat transfer efficiency, the upper surface of two heat conducting blocks 13 all is fixedly connected with a group of heat conduction bar 10 for heat conduction, the front surface fixedly connected with fastening head 7 of connecting cover 6, the filter screen 5 of movable joint of cleaning rod 8, in the use process, high temperature flue gas enters connecting seat 3 through air intake 4, after entering connecting seat 3, first contact heat transfer plate 16 and pass heat to two heat conducting blocks 13, flue gas flows through a group of helical groove 12 on two heat conducting blocks 13, the helical groove 12 itself designs and makes flue gas spiral flow, improves the contact area with heat conducting block 13, makes heat energy more fully contact with heat conducting block 13, heat conducting block 13 passes heat to a group of heat conduction bar 10 and carries out heat conduction and makes the water in waste heat boiler 1 warm, the surface of heat conduction bar 10 is provided with a group of heat dissipation fins 11 and increases heat transfer area, and the water is heated into high temperature and high pressure steam, and high temperature and high pressure steam can drive steam turbine to rotate, and heat energy is converted into mechanical energy, realizes low -cost waste heat recovery recycling, and reduces energy consumption.

[0028] The front surface of filter screen 5 is provided with an annular groove 9, the annular groove 9 is threadedly sleeved with the connecting cover 6, each heat conduction bar 10 is fixedly connected with a group of heat dissipation fins 11 on the surface, the rear surface of connecting seat 3 is provided with an air outlet 14, the lower surface of two heat conducting blocks 13 is fixedly connected with a heat transfer plate 16, in the process of entering, flue gas will be filtered through filter screen 5 first, after filter screen 5 is used for a period of time, it needs to be cleaned, the fixed screw on filter screen 5 is rotated to open the limit, at this time, the fixed connecting cover 6 is rotated by rotating the fastening head 7, the connecting cover 6 is separated from the sleeve joint of the annular groove 9 set up on filter screen 5, the connecting cover 6 can be disassembled, the fixed cleaning rod 8 on the connecting cover 6 is also taken out the residual waste residue in the inner wall of filter screen 5 in the process of pulling out, the cleaning of the inner wall of filter screen 5 is completed at the same time when the cleaning rod 8 is taken out, the operation is simple, the difficulty and cost of later cleaning work are reduced, and the cleaning efficiency is improved.

[0029] Among them, waste heat boiler 1: it is the container of storing water, through absorbing the heat transferred by heat conduction bar 10, the water is heated into high temperature and high pressure steam, is used to drive steam turbine rotation and realizes energy conversion;

[0030] Base 2: play a supporting role, provide stable placement foundation for the whole device, ensure the stability of the device in the process of running.

[0031] Connecting seat 3: connecting the waste heat furnace 1 and the base 2, installing the heat conducting block 13 and other components inside, is the key channel for flue gas heat transfer and flow;

[0032] Air inlet 4: is the entrance of high-temperature flue gas into the device, guiding the flue gas into the connecting seat 3 for waste heat recovery;

[0033] Filter screen 5: filters the flue gas entering the device, blocks the impurities in it, and prevents the impurities from affecting the normal operation of the internal components of the device;

[0034] Connecting cover 6: cooperates with filter screen 5 to fix filter screen 5, and its back surface is connected with cleaning rod 8 to facilitate cleaning of filter screen 5;

[0035] Fastening head 7: facilitates the rotation of connecting cover 6, and realizes the separation or fixation of connecting cover 6 and filter screen 5 by rotating it, facilitating the cleaning of filter screen 5;

[0036] Cleaning rod 8: when connecting cover 6 is disassembled, it takes out the waste residues remaining on the inner wall of filter screen 5, realizing the cleaning of filter screen 5;

[0037] Annular groove 9: threaded sleeve with connecting cover 6, used for fixing connecting cover 6 to ensure the sealing and stability of filter screen 5;

[0038] Heat conducting rod 10: receives the heat transferred by heat conducting block 13, conducts the heat to the waste heat furnace 1 to warm up the water, and is an important component for heat transfer;

[0039] Heat conducting fin 11: increases the heat conducting area of heat conducting rod 10, improves the heat conducting efficiency, and makes the water in waste heat furnace 1 warm up faster;

[0040] Spiral groove 12: makes the passing flue gas flow in a spiral shape, increases the contact area between flue gas and heat conducting block 13, and improves the heat transfer efficiency;

[0041] Heat conducting block 13: absorbs the heat of flue gas and transfers the heat to heat conducting rod 10, which is a key heat conducting component in the waste heat recovery process;

[0042] Gas outlet 14: used for discharging flue gas after heat exchange, so that the flue gas in the device can circulate and flow;

[0043] Fixing frame 15: fixes heat conducting block 13 to ensure the stability of heat conducting block 13 in connecting seat 3 and ensure the stability of heat transfer;

[0044] Heat conducting plate 16: receives the heat of flue gas and transfers it to heat conducting block 13, which expands the heat exchange area between flue gas and the device and improves the waste heat recovery efficiency.

[0045] Working principle:

[0046] In use, high-temperature flue gas enters the connecting seat 3 through the air inlet 4, and after entering the connecting seat 3, it first contacts the heat-conducting plate 16 to transfer heat to the two heat-conducting blocks 13, and the flue gas flows through a group of spiral grooves 12 formed on the two heat-conducting blocks 13, the spiral grooves 12 are designed to make the flue gas flow spirally, increase the contact area with the heat-conducting blocks 13, and make the heat energy more fully contact with the heat-conducting blocks 13, the heat-conducting blocks 13 transfer heat to a group of heat-conducting rods 10 to conduct heat to heat the water in the waste heat boiler 1, the heat-conducting rods 10 are provided with a group of heat-conducting fins 11 to increase the heat-conducting area, the water is heated into high-temperature and high-pressure steam, the high-temperature and high-pressure steam can drive the steam turbine to rotate, convert the heat energy into mechanical energy, realize low-cost waste heat recycling, reduce energy consumption, and in the process of entering, the flue gas will first be filtered through the filter screen 5, after the filter screen 5 is used for a period of time, it needs to be cleaned, the fixed screw on the filter screen 5 is turned to open the limit, at this time, the fixed connecting cover 6 is driven to rotate by rotating the fastening head 7, the connecting cover 6 is separated from the sleeving of the annular groove 9 formed on the filter screen 5, and the connecting cover 6 can be disassembled, and in the process of pulling out the connecting cover 6, the cleaning rod 8 fixed thereon also takes out the residual waste in the inner wall of the filter screen 5, and the cleaning of the inner wall of the filter screen 5 is completed at the same time when the cleaning rod 8 is taken out, the operation is simple, the difficulty and cost of the later cleaning work are reduced, and the cleaning efficiency is improved.

[0047] Finally, it should be noted that: obviously, the above embodiments are only examples for clearly illustrating the utility model, and are not limited to the implementation mode. For ordinary skilled persons in the art, other different forms of changes or variations can be made on the basis of the above description. Here, it is not necessary and impossible to exhaust all the implementation modes. The obvious changes or variations derived therefrom are still within the protection scope of the utility model.

Claims

1. A low cost waste heat recovery recycling device comprising a waste heat boiler (1) and a base (2), characterized in that, The connecting seat (3) is fixedly connected between the waste heat furnace (1) and the base (2), the air inlet (4) is fixedly connected to the front surface of the base (2), the filter screen (5) is movably sleeved in the air inlet (4), the connecting cover (6) is arranged on the front surface of the filter screen (5), and the cleaning rod (8) for cleaning is fixedly connected to the rear surface of the connecting cover (6). Wherein, the fixed frame (15) is fixedly connected in the connecting seat (3), two heat-conducting blocks (13) are fixedly connected in the fixed frame (15), a group of spiral grooves (12) for improving heat transfer efficiency are arranged on the upper surfaces of the two heat-conducting blocks (13), and a group of heat-conducting rods (10) for heat conduction are fixedly connected to the upper surfaces of the two heat-conducting blocks (13).

2. A low cost waste heat recovery and recycling device as claimed in claim 1 wherein: The fastening head (7) is fixedly connected to the front surface of the connecting cover (6); Wherein, the cleaning rod (8) is movably connected with the filter screen (5).

3. A low cost waste heat recovery and recycling device as claimed in claim 1, wherein: The annular groove (9) is arranged on the front surface of the filter screen (5). Wherein, the annular groove (9) is threadedly sleeved with the connecting cover (6).

4. A low cost waste heat recovery recycling device as claimed in claim 1, wherein: A group of heat-conducting fins (11) are fixedly connected to the surfaces of each heat-conducting rod (10).

5. A low cost waste heat recovery recycling device as claimed in claim 1, wherein: The air outlet (14) is arranged on the rear surface of the connecting seat (3).

6. A low cost waste heat recovery recycling device as claimed in claim 1, wherein: The heat-conducting plates (16) are fixedly connected to the lower surfaces of the two heat-conducting blocks (13).

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