Waste heat recovery equipment

Abstract

The utility model discloses waste heat recovery equipment which comprises a heat exchanger body, an air inlet frame and an exhaust pipe are arranged at the two ends of the heat exchanger body respectively, an air inlet pipe is arranged on the air inlet frame, a filter box is arranged on the air inlet pipe, a filter tank is arranged in the filter box, three filter frames are arranged in the filter tank, and the filter frames are arranged in the filter tank. A primary filter screen, a precise filter screen and an adsorption filter layer are respectively arranged in the three filter frames, a mounting notch is formed in the bottom of the filter box, a sealing cover plate is nested in the mounting notch, and a fixing mechanism is arranged between the sealing cover plate and the filter box. According to the heat exchanger, through the primary filter screen, the precise filter screen and the adsorption filter layer in the filter tank, waste gas passing through the gas inlet pipe can be stably filtered, impurities and fine particles doped in the waste gas can be stably filtered, the working efficiency of the heat exchanger is effectively guaranteed, and the service life of the heat exchanger is prolonged. Meanwhile, the cleaning frequency of the heat exchanger can be reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to heat energy recovery technical field especially relates to a waste heat recovery equipment. BACKGROUND

[0002] Heat exchanger is the equipment that partial heat of hot fluid is transmitted to cold fluid, also called heat exchanger, and heat exchanger occupies important position in chemical industry, petroleum, power, food and other many industrial production, is a kind of waste heat recovery equipment, and usually in some chemical industry, some waste gas after combustion still contains a large amount of waste heat, in order to reduce heat energy loss, then need to use waste heat recovery equipment to carry out heat energy recovery and reuse work;

[0003] The existing waste heat recovery equipment lacks the filtering treatment structure for the waste gas at the air inlet position when in use, so that some impurities in the waste gas can enter the heat exchange tube in the heat exchanger, which can easily accumulate on the inner wall of the heat exchange tube, and the accumulated impurities can reduce the heat exchange efficiency of the heat exchange tube, thereby affecting the working efficiency of the heat exchanger, and if the amount of impurities in the waste gas is large, the maintenance and cleaning frequency of the heat exchanger will be greatly increased. SUMMARY

[0004] The utility model discloses a waste heat recovery equipment to solve the technical problems in the prior art.

[0005] In order to achieve the above-mentioned purpose, the utility model discloses a waste heat recovery equipment, which comprises a heat exchanger body, an air inlet frame and an exhaust pipe are arranged at both ends of the heat exchanger body respectively, an air inlet pipe is arranged on the air inlet frame, a filter box is arranged on the air inlet pipe, a filter groove is arranged in the filter box, three filter frames are arranged in the filter groove, a primary filter screen, a precision filter screen and an adsorption filter layer are arranged in the three filter frames respectively, a mounting notch is arranged at the bottom of the filter box, a cover plate is nested in the mounting notch, and a fixing mechanism is arranged between the cover plate and the filter box.

[0006] The fixing mechanism comprises a movable slot arranged on the cover plate and a pin slot arranged on the inner wall of the mounting notch, a pin block is slidably connected in the movable slot, a spring is connected between the inner wall of the movable slot and one end of the pin block, a connecting block is fixedly connected to the pin block, and a push block is fixedly connected to the connecting block.

[0007] Further description of the above technical solution:

[0008] Three groups of positioning guide rails are fixedly connected to the inner wall of the filter groove, and the three filter frames and the three groups of positioning guide rails are arranged in corresponding nested sliding fit.

[0009] As a further description of the above technical solutions:

[0010] The top of the cover plate is fixedly connected with a blocking block, and the blocking block is in nested fit with the filter groove.

[0011] As a further description of the above technical solutions:

[0012] The bottom of the cover plate is fixedly connected with a handle.

[0013] As a further description of the above technical solutions:

[0014] The pin block is in nested fit with the pin groove, and the top side of the pin block is in the form of an inclined surface.

[0015] As a further description of the above technical solutions:

[0016] The bottom side of the push block is in the form of an inclined surface.

[0017] As a further description of the above technical solutions:

[0018] The inner wall of the movable groove is provided with a guide groove, and the connecting block is in nested and sliding connection with the guide groove.

[0019] The utility model has the following beneficial effects:

[0020] The waste heat recovery equipment can stably filter the impurities and small particles mixed in the waste gas through the primary filter screen, the precision filter screen and the adsorption filter layer structure on the three filter frames in the filter groove, so that the impurities and small particles are prevented from entering the heat exchanger and accumulating in the heat exchanger to affect the heat exchange efficiency of the heat exchange tube, the working efficiency of the heat exchanger is effectively ensured, and the cleaning frequency of the heat exchanger is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 The utility model provides a kind of overall structure schematic view of waste heat recovery equipment;

[0022] Figure 2 The utility model provides a kind of front view of waste heat recovery equipment;

[0023] Figure 3A front view of the filter box structure of the waste heat recovery equipment is provided in the utility model.

[0024] Figure 4 A waste heat recovery equipment is provided in the utility model. Figure 3 An enlarged view of A.

[0025] Legend:

[0026] 1, heat exchanger body; 2, air inlet frame; 3, exhaust pipe; 4, air inlet pipe; 5, filter box; 6, filter groove; 7, positioning guide rail; 8, filter frame; 9, primary filter screen; 10, precision filter screen; 11, adsorption filter layer; 12, mounting notch; 13, cover plate; 14, plugging block; 15, handle; 16, movable groove; 17, pin block; 18, spring; 19, pin groove; 20, push block; 21, connecting block; 22, guide groove. Specific implementation

[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0028] In the description of the utility model, it should be explained that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is the orientation or position relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the utility model; the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance, in addition, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0029] Reference Figures 1-4The utility model provides an embodiment: a kind of waste heat recovery equipment, including heat exchanger body 1, the both ends of heat exchanger body 1 are provided with air intake frame 2 and exhaust pipe 3, heat exchanger is conventional technical product, is provided with water storage cavity inside, top is provided with the import and export being communicated with water storage cavity, water storage cavity is provided with heat exchange pipe, heat exchange pipe is communicated to air intake position and exhaust position respectively, such high-temperature exhaust gas enters heat exchange pipe, then, can carry out heat exchange with the water body in water storage cavity, thereby heat exchange is carried out, realizes waste heat recovery work, this is conventional technical product, not too much repetition here, air intake frame 2 is provided with air inlet pipe 4, air inlet pipe 4 is provided with filter box 5, filter box 5 is provided with filter groove 6, air inlet pipe 4 is communicated to both sides position in filter groove 6, such can guarantee that exhaust gas can stably pass through filter groove 6, cooperation whole structure realizes the filtration treatment work to exhaust gas, filter groove 6 is provided with three filter frame 8, three filter frame 8 is provided with primary filter screen 9, precision filter screen 10 and adsorption filter layer 11 respectively, primary filter screen 9 can carry out primary filtration work to some larger impurities in exhaust gas, the setting of precision filter screen 10 and adsorption filter layer 11 can carry out deep filtration work, some fine particles are adsorbed and filtered down, whole filtration structure, can realize the deep filtration treatment to exhaust gas, thus can avoid that impurities in exhaust gas enter heat exchanger and produce accumulation block condition, to avoid the situation that accumulation block influences heat exchange efficiency, simultaneously can also reduce the cleaning frequency of heat exchanger, the bottom of filter box 5 is provided with mounting recess 12, mounting recess 12 is nested with cover plate 13, cover plate 13 and filter box 5 are provided with fixed mechanism, the bottom of filter box 5 is open form mounting recess 12, cover plate 13 can play a closed effect to its bottom opening position, cooperation fixed mechanism can realize the stable closed fixation of cover plate 13, and cover plate 13 can also be normally opened, such convenient cleaning filter frame 8 structure;

[0030] The fixing mechanism comprises a movable slot 16 arranged on the cover plate 13, a pin slot 19 arranged on the inner wall of the mounting recess 12, a pin block 17 slidably connected in the movable slot 16, a spring 18 connected between the inner wall of the movable slot 16 and one end of the pin block 17, a connecting block 21 fixedly connected to the pin block 17, a push block 20 fixedly connected to the connecting block 21, a guide slot 22 arranged at the bottom of the inner wall of the movable slot 16, and the connecting block 21 and the guide slot 22 are nested and slidably connected, the pin block 17 and the pin slot 19 are nested and matched, the top side of the pin block 17 is arranged in the form of an inclined surface, and the bottom side of the push block 20 is arranged in the form of an inclined surface.

[0031] The inner wall of the filter groove 6 is fixedly connected with three groups of positioning guide rails 7, and the three filter frames 8 and the three groups of positioning guide rails 7 are correspondingly nested and slidably matched.

[0032] The top of the cover plate 13 is fixedly connected with a blocking block 14, and the blocking block 14 and the filter groove 6 are nested and matched, and the blocking block 14 is made of rubber, so that after the cover plate 13 is installed, the bottom of the filter groove 6 can be closed.

[0033] The bottom of the cover plate 13 is fixedly connected with a handle 15, and the handle 15 can facilitate the disassembly and assembly of the cover plate 13.

[0034] Working principle: when the waste heat recovery equipment is used, when the exhaust gas enters the filter box 5 through the air inlet pipe 4, it successively passes through the primary filter screen 9, the precision filter screen 10 and the adsorption filter layer 11, so that the impurities and particulate impurities in the exhaust gas can be stably filtered, and the filtered exhaust gas enters the heat exchanger through the air inlet frame 2 to perform heat exchange work, thereby realizing the recovery of waste heat. When it is necessary to clean the structure of the filter box 5, the fixing mechanism is opened, the cover plate 13 is disassembled, and the filter frame 8 is pulled out of the filter groove 6, so that the cleaning or replacement work can be conveniently performed. After cleaning, the filter frame 8 can be reinstalled into the filter box 5 according to the same operation.

[0035] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A heat recovery device comprising a heat exchanger body (1), characterized in that: The both ends of the heat exchanger body (1) are respectively provided with air inlet frame (2) and exhaust pipe (3), the air inlet frame (2) is provided with air inlet pipe (4), the air inlet pipe (4) is provided with filter box (5), the filter box (5) is provided with filter groove (6), the filter groove (6) is provided with three filter frame (8), three filter frame (8) is respectively provided with primary filter screen (9), precision filter screen (10) and adsorption filter layer (11), the bottom of filter box (5) is provided with mounting notch (12), the mounting notch (12) is nested with cover plate (13), the cover plate (13) and filter box (5) are provided with fixing mechanism; The fixing mechanism includes movable slot (16) provided on the cover plate (13) and pin slot (19) provided on the inner wall of the mounting notch (12), the movable slot (16) is slidably connected with the pin block (17), and the spring (18) is connected between the inner wall of the movable slot (16) and one end of the pin block (17), the pin block (17) is fixedly connected with the connecting block (21), and the connecting block (21) is fixedly connected with the push block (20).

2. A waste heat recovery apparatus according to claim 1, characterised in that: The inner wall of the filter groove (6) is fixedly connected with three groups of positioning guide rails (7), and the three filter frames (8) and the three groups of positioning guide rails (7) are correspondingly nested and slidably connected.

3. A waste heat recovery apparatus according to claim 1, characterized in that: The top of the cover plate (13) is fixedly connected with the blocking block (14), and the blocking block (14) and the filter groove (6) are nested and connected.

4. A waste heat recovery apparatus according to claim 1, characterized in that: The bottom of the cover plate (13) is fixedly connected with the handle (15).

5. A waste heat recovery apparatus according to claim 1, characterized in that: The pin block (17) and the pin slot (19) are nested and connected, and the top side of the pin block (17) is provided in the form of inclined surface.

6. A waste heat recovery apparatus according to claim 1, characterized in that: The bottom side of the push block (20) is provided in the form of inclined surface.

7. A waste heat recovery apparatus according to claim 1, characterized in that: The inner wall of the movable slot (16) is provided with a guide slot (22), and the connecting block (21) and the guide slot (22) are nested and slidably connected.

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