Waste heat recovery heat exchanger convenient to clean

Abstract

The waste heat recovery heat exchanger convenient to clean comprises a square pipe, the two ends of the square pipe are connected with a smoke inlet connector and a smoke outlet connector respectively, two partition plates are fixedly connected in the square pipe, a heat exchange bin is formed in the position, between the two partition plates, in the square pipe, a plurality of heat exchange pipes are arranged in the heat exchange bin, and the heat exchange pipes are connected with the smoke inlet connector and the smoke outlet connector respectively. The two ends of the heat exchange pipe penetrate through the corresponding partition plates, and a water inlet pipe and a water outlet pipe which communicate with the heat exchange bin are arranged on the square pipe in a penetrating mode. Through the arrangement of the filter plate and the filter holes, smoke can be effectively filtered before entering the heat exchange pipe, so that dust entering the heat exchange pipe is reduced, through the arrangement of the multiple cover bowls on the rotating shaft, smoke entering the square pipe from the smoke inlet connector can make contact with the cover bowls, and therefore the rotating shaft is driven to rotate, and dust in the square pipe can be effectively removed. And then the rotating shaft is used for driving the beating mechanism to rotate so as to beat the filter plate, so that dust adhered to the filter plate is shaken off, motor driving is not needed, and the use effect is good.

Description

TECHNICAL FIELD

[0001] The utility model relates to a heat exchanger, concretely is a waste heat recovery heat exchanger convenient to clean. BACKGROUND

[0002] The boiler flue gas contains a large amount of heat energy, needs to use the heat exchanger to carry out recovery to it, to reduce the energy loss, because the boiler flue gas contains a large amount of dust, if directly into the heat exchanger, easy to cause the heat exchanger to accumulate a large amount of dust, influence the heat exchange efficiency of heat exchanger.

[0003] Through the retrieval, the patent with the announcement number CN219223443U provides a kind of flue gas waste heat utilization heat exchanger, it can filter processing to flue gas when use, to make clean flue gas to spiral pipe heating treatment, spiral pipe is also not attached on after long time, and in the process of heat exchange, under the rotation of rotating motor, flue can be rotated, to make flue gas and spiral pipe fully contact, simultaneously also drive L-shaped rod movement, make the filter screen cylinder attached by brush to clean the dust, improve the filtering effect of filter screen cylinder.

[0004] The above scheme can filter processing to flue gas, and the dust adhered to filter screen cylinder can be cleaned, but its transmission structure for cleaning filter screen cylinder is too complex, and there are many rotating parts, which makes it difficult to scale up the equipment, and the device drives the cleaning mechanism by using a rotating motor, which does not utilize the wind energy of flue gas itself, and needs to be improved. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of waste heat recovery heat exchanger convenient to clean to solve the problems raised in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] A kind of waste heat recovery heat exchanger convenient to clean, including square tube, the two ends of the square tube are respectively law connection and have smoke inlet joint and smoke outlet joint, two baffle plates are fixedly connected in the square tube, heat exchange bin is formed between the two baffle plates in the square tube, a plurality of heat exchange tubes are arranged in the heat exchange bin, the two ends of the heat exchange tube penetrate the corresponding baffle plate, water inlet pipe and water outlet pipe that are communicated with heat exchange bin are arranged through the square tube, the opening end inner wall of the square tube close to smoke inlet joint is detachably installed with filter plate, a plurality of filter holes are arranged on the filter plate, the inner wall of the square tube on the side of filter plate is rotatably connected with a rotating shaft by bearing seat, a plurality of first sleeves are fixedly connected on the rotating shaft, a plurality of cover bowls are fixedly connected on the outer peripheral wall of the first sleeve by connecting rod, the knocking mechanism for filter plate is installed on the rotating shaft.

[0008] As a further scheme of the utility model: the knocking mechanism includes the second ring that is fixedly sleeved on the rotating shaft, a plurality of springs are fixedly connected to the outer wall of the second ring, and the end, away from the second ring, of the spring is fixedly connected with a hammer.

[0009] As a further scheme of the utility model: the middle part of the filter plate is arc-shaped and protrudes towards the rotating shaft, and the contact part of the filter plate and the hammer is not provided with a filter hole.

[0010] As a further scheme of the utility model: the square tube is fixedly connected with a dust receiving hopper at the bottom between the smoke inlet joint and the filter plate, a star-shaped unloader is flange-connected to the bottom opening of the dust receiving hopper, and the rotating shaft is located between the filter plate and the smoke inlet joint.

[0011] As a further scheme of the utility model: the inner wall of the square tube is fixedly installed with a U-shaped guide frame at the corresponding position of the filter plate, the U-shaped guide frame is slidably installed with a frame, the outer edge of the filter plate is fixedly connected with the inner wall of the frame, the top of the square tube is provided with a mounting opening at the corresponding position of the top opening of the U-shaped guide frame, the top end of the frame is fixedly connected with a panel after extending out of the mounting opening, the top of the panel is fixedly installed with a handle, and the panel is fixedly connected with the square tube through a plurality of screws.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] The utility model discloses a filter plate and a filter hole are arranged, which can effectively filter flue gas before entering the heat exchange pipe, thereby reducing the dust entering the heat exchange pipe, and the rotating shaft is provided with a plurality of cover bowls, the flue gas entering the square tube from the smoke inlet joint contacts the cover bowl, thereby driving the rotating shaft to rotate, then the rotating shaft drives the knocking mechanism to rotate, so as to knock the filter plate, thereby shaking off the dust adhered to the filter plate, without the help of a motor drive, and the use effect is good. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a structure diagram of the waste heat recovery heat exchanger convenient to clean.

[0015] Figure 2 It is Figure 1 It is an enlarged view of A in the middle.

[0016] Figure 3 It is Figure 1 It is an enlarged view of B in the middle.

[0017] Wherein, square tube 1, smoke inlet joint 2, smoke outlet joint 3, baffle 4, heat exchange bin 5, water inlet pipe 6, water outlet pipe 7, heat exchange pipe 8, U-shaped guide frame 9, frame 10, filter plate 11, filter hole 12, mounting port 13, faceplate 14, handle 15, dust receiving hopper 16, star-shaped discharger 17, rotating shaft 18, first ring 19, connecting rod 20, cover bowl 21, second ring 22, spring 23, hammer 24. DETAILED DESCRIPTION

[0018] In order to make the technical problems, technical solutions and beneficial effects of the present application more clearly understood, the present application will be further described in detail below with examples. It should be understood that the specific examples described herein are only used to explain the present application, and are not intended to limit the present application.

[0019] It should be noted that when an element is referred to as being "fixed to" or "set on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0020] It should be understood that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0021] In addition, the terms "first", "second", "third" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features.

[0022] Please refer to Figures 1 to 3The utility model discloses an embodiment of a kind of waste heat recovery heat exchanger convenient to clean, including square tube 1, the two ends of square tube 1 are respectively law connection and have into smoke joint 2 and out of smoke joint 3, two baffle 4 are fixedly connected in square tube 1, heat exchange bin 5 is formed between two baffle 4 in square tube 1, several heat exchange tubes 8 are provided in heat exchange bin 5, the two ends of heat exchange tube 8 are penetrated through corresponding baffle 4, water inlet pipe 6 and water outlet pipe 7 that are connected with heat exchange bin 5 are set through on square tube 1, detachably mounted with filter plate 11 in the opening end inner wall of square tube 1 close to into smoke joint 2, several filter holes 12 are provided on filter plate 11, the inner wall of square tube 1 at filter plate 11 side is rotatably connected with rotating shaft 18 by bearing seat, rotating shaft 18 is fixedly connected with multiple first sleeve ring 19, the outer peripheral wall of first sleeve ring 19 is fixedly connected with multiple cover bowl 21 by connecting rod 20, the knocking mechanism for filter plate 11 is installed on rotating shaft 18, and filter plate 11 is located on the rotation path of knocking mechanism.

[0023] The utility model discloses an embodiment of a kind of waste heat recovery heat exchanger convenient to clean, including square tube 1, the two ends of square tube 1 are respectively law connection and have into smoke joint 2 and out of smoke joint 3, two baffle 4 are fixedly connected in square tube 1, heat exchange bin 5 is formed between two baffle 4 in square tube 1, several heat exchange tubes 8 are provided in heat exchange bin 5, the two ends of heat exchange tube 8 are penetrated through corresponding baffle 4, water inlet pipe 6 and water outlet pipe 7 that are connected with heat exchange bin 5 are set through on square tube 1, detachably mounted with filter plate 11 in the opening end inner wall of square tube 1 close to into smoke joint 2, several filter holes 12 are provided on filter plate 11, the inner wall of square tube 1 at filter plate 11 side is rotatably connected with rotating shaft 18 by bearing seat, rotating shaft 18 is fixedly connected with multiple first sleeve ring 19, the outer peripheral wall of first sleeve ring 19 is fixedly connected with multiple cover bowl 21 by connecting rod 20, the knocking mechanism for filter plate 11 is installed on rotating shaft 18, and filter plate 11 is located on the rotation path of knocking mechanism.

[0024] Specifically combined Figure 3 In an embodiment of the utility model, the knocking mechanism includes the second sleeve ring 22 of fixed sleeve in rotating shaft 18, the outer wall of second sleeve ring 22 is fixedly connected with multiple spring 23, the end away from second sleeve ring 22 of spring 23 is fixedly connected with hammer 24.

[0025] When rotating shaft 23 drives second sleeve ring 22 to rotate, under the action of centrifugal force, hammer 24 will stretch spring 23 to be away from second sleeve ring 22, so that hammer 24 contacts filter plate 11, realizes the knocking of filter plate 11.

[0026] Specifically combined Figure 1 And Figure 3 In an embodiment of the utility model, the middle part of filter plate 11 is arc-shaped and bulges towards rotating shaft 18, and the contact place of filter plate 11 and hammer 24 is not provided with filter hole 12, to improve the strength of the contact place of filter plate 11 and hammer 24, avoid that filter plate 11 seriously deforms.

[0027] Specifically combinedFigure 1 In one embodiment of the utility model, the square tube 1 is fixedly connected with the dust receiving hopper 16 at the bottom between the smoke inlet joint 2 and the filter plate 11, the flange at the bottom end opening of the dust receiving hopper 16 is connected with the star-shaped discharger 17, and the rotating shaft 18 is located between the filter plate 11 and the smoke inlet joint 2.

[0028] The arrangement of the dust receiving hopper 16 and the star-shaped discharger 17 facilitates the collection and discharge of the dust intercepted by the filter plate 11.

[0029] Specifically Figure 1 And Figure 2 In one embodiment of the utility model, the inner wall of the square tube 1 is fixedly connected with the U-shaped guide frame 9 at the corresponding position of the filter plate 11, the frame 10 is slidably installed in the U-shaped guide frame 9, the outer edge of the filter plate 11 is fixedly connected with the inner wall of the frame 10, the top of the square tube 1 is provided with the mounting opening 13 at the corresponding position of the top opening of the U-shaped guide frame 9, the top end of the frame 10 is fixedly connected with the panel 14 after extending out of the mounting opening 13, the top of the panel 14 is fixedly connected with the handle 15, and the panel 14 is fixedly connected with the square tube 1 through the plurality of screws.

[0030] When the filter plate 11 needs to be thoroughly cleaned or replaced, the frame 10 and the filter plate 11 can be pulled out of the square tube 1 only by dismounting the screws for connecting the panel 14 and the square tube 1, so that the operation is simple and convenient.

[0031] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A waste heat recovery heat exchanger that facilitates cleaning, characterized by: The utility model provides a filter plate knock mechanism, including square tube (1), two ends of square tube (1) respectively law connection have the smoke joint (2) and the smoke joint (3) of going out, two baffle (4) are fixedly connected in square tube (1), and the heat exchange warehouse (5) is formed between two baffle (4) in square tube (1), a plurality of heat exchange pipes (8) are arranged in heat exchange warehouse (5), and the both ends of heat exchange pipe (8) penetrates corresponding baffle (4), the water inlet pipe (6) and the water outlet pipe (7) of being provided with with heat exchange warehouse (5) intercommunication are set up on square tube (1), and the detachable mounting of filter plate (11) is close to the opening end inner wall of smoke joint (2) of square tube (1), a plurality of filter holes (12) are arranged on filter plate (11), and the inner wall of square tube (1) at filter plate (11) one side is rotatably connected with the pivot (18) through bearing seat, a plurality of first sleeve ring (19) are fixedly connected on pivot (18), a plurality of cover bowl (21) are fixedly connected on the outer wall of first sleeve ring (19) through connecting rod (20), and the knocking mechanism for filter plate (11) is installed on pivot (18).

2. The waste heat recovery heat exchanger of claim 1, wherein: The knocking mechanism comprises a second sleeve ring (22) fixedly sleeved on the pivot (18), a plurality of springs (23) fixedly connected to the outer wall of the second sleeve ring (22), and a hammer (24) fixedly connected to the end of the spring (23) away from the second sleeve ring (22).

3. The waste heat recovery heat exchanger of claim 2, wherein: The middle part of the filter plate (11) is arc-shaped and raised towards the pivot (18), and no filter hole (12) is arranged at the contact position of the filter plate (11) and the hammer (24).

4. The waste heat recovery heat exchanger of claim 1, wherein: The bottom of the square tube (1) between the smoke joint (2) and the filter plate (11) is fixedly connected with a dust collecting hopper (16), the flange of the bottom opening of the dust collecting hopper (16) is connected with a star-shaped unloader (17), and the pivot (18) is located between the filter plate (11) and the smoke joint (2).

5. The waste heat recovery heat exchanger of claim 1, wherein: A U-shaped guide frame (9) is fixedly installed at the corresponding position of the inner wall of the square tube (1) and the filter plate (11), a frame (10) is slidably installed in the U-shaped guide frame (9), the outer edge of the filter plate (11) is fixedly connected with the inner wall of the frame (10), an installation opening (13) is formed at the corresponding position of the top of the square tube (1) and the top opening of the U-shaped guide frame (9), a panel (14) is fixedly connected with the top end of the frame (10) after the top end of the frame (10) extends out of the installation opening (13), a handle (15) is fixedly installed on the top of the panel (14), and the panel (14) is fixedly connected with the square tube (1) through a plurality of screws.

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