A garbage incinerator superheater ash cleaning device

Abstract

The utility model belongs to the technical field of waste incinerators, and in particular to a superheater cleaning device for a waste incinerator, comprising a supporting cross bar and a supporting vertical bar fixed by vertical welding, a telescopic cylinder for lifting being installed on the supporting cross bar, and a detachable cleaning part being installed on the supporting vertical bar; the cleaning part comprises a cleaning ring and a reset mechanism, two cleaning rings are symmetrically arranged, the two cleaning rings are sleeved on the outside of a tube bundle of the superheater, the cleaning rings are installed on the supporting vertical bar through the reset mechanism, and a cleaning groove is provided on the inner surface of the cleaning ring; by installing the detachable cleaning part on the supporting vertical bar, the position of the cleaning part is adjusted, so that the cleaning part is adjusted according to the position of the superheater pipeline, and the telescopic cylinder installed on the supporting cross bar is convenient for the telescopic cylinder to be raised and lowered with the telescopic cylinder after being connected to the air source, so that the cleaning part can clean the surface of the superheater pipeline.

Description

Technical Field

[0001] The utility model belongs to the technical field of garbage incinerators, and in particular relates to a ash cleaning device for a superheater of a garbage incinerator. Background Art

[0002] The superheater of a waste incinerator is an important equipment in a waste incineration power plant. It is used to recover the high-temperature heat energy generated by combustion and convert it into steam for power generation or other purposes. The superheater is usually composed of a tube bundle, and the superheater tube bundle is exposed to the flame of the waste incinerator for heating. However, the flue gas generated during the combustion process of the waste incinerator contains a large amount of solid particles. When these solid particles pass through the tube bundle together with the flue gas, due to the effects of inertia and resistance, some dust particles will be deposited on the inner surface of the tube bundle. At the same time, when the dust particles in the flue gas pass through the tube bundle, they are affected by factors such as the temperature and humidity on the surface of the tube bundle. Some dust particles may condense or aggregate on the surface of the tube bundle due to temperature changes. At the same time, the dust particles in the flue gas may carry static charges. When passing through the tube bundle, since the surface of the tube bundle usually also carries a certain charge, an electrostatic adsorption effect occurs, causing the dust particles to adhere to the surface of the tube bundle.

[0003] Chinese patent CN207334757U discloses "a mechanical dust cleaning device for a boiler superheater multilayer coil, the device comprises a vertical pipe, one end of the vertical pipe is connected to at least one horizontal pipe, the horizontal pipe is connected to a blow pipe, the blow pipe is perpendicular to the plane formed by the vertical pipe and the horizontal pipe; the other end of the vertical pipe is connected to a cylinder and is provided with a compressed air inlet; the blow pipe is provided with an air outlet. The utility model can be used to effectively clean the boiler superheater"; however, it uses the air outlet provided on the blow pipe to blow away dust from the superheater tube bundle, but when the dust adhesion is too high, it is difficult to blow away the dust, resulting in the problem that the dust still adheres to the surface of the tube bundle of the tube heat exchanger. Utility Model Content

[0004] In view of the above-mentioned deficiencies in the prior art, the purpose of the utility model is to provide a garbage incineration superheater cleaning device to overcome the above-mentioned difficulties in removing dust.

[0005] In view of this, the utility model provides a waste incinerator superheater cleaning device, comprising a vertically welded and fixed supporting cross bar and supporting vertical bar, wherein a telescopic cylinder for lifting is installed on the supporting cross bar, and a detachable cleaning component is installed on the supporting vertical bar; the cleaning component comprises a cleaning ring and a reset mechanism, and two cleaning rings are symmetrically arranged, and the two cleaning rings are sleeved on the outside of the tube bundle of the superheater, and the cleaning ring is installed on the supporting vertical bar through the reset mechanism, and a cleaning groove is provided on the inner surface of the cleaning ring.

[0006] According to any embodiment of the present application, the reset mechanism includes a positioning rod, a guide strut, a retaining ring, an adjusting nut and a reset spring, the guide strut and the positioning rod are integrally formed, the end of the cleaning ring is integrally formed with a supporting ear, and the supporting ear is movably connected to the outside of the guide strut through a hole opened on the surface, the reset spring is sleeved on the outside of the guide strut, and the adjusting nut is screwed onto the end of the guide strut.

[0007] According to any embodiment of the present application, two return springs and two support ears are provided on the outer casing of the guide support rod, and the two return springs are respectively fixed to the two support ears, one return spring is fixed to the retaining ring, and the other return spring is fixed to the adjusting nut.

[0008] According to any embodiment of the present application, the positioning rod is a staggered rectangular columnar structure, and one end of the positioning rod is inserted into a slide groove opened on the surface of the supporting vertical rod, and a positioning nut is screwed on the outer side of the screw arranged at the end of the positioning rod inserted into the slide groove.

[0009] According to any embodiment of the present application, the angle between the central axis of the cleaning groove and the cleaning ring is 30 degrees.

[0010] According to any embodiment of the present application, six supporting vertical rods are arranged in parallel, and five cleaning parts are installed on five of the supporting vertical rods, and the cleaning parts are located in a rectangular frame formed by the supporting cross rods and the supporting vertical rods.

[0011] Beneficial effects of the utility model:

[0012] 1. By installing a detachable cleaning part on the supporting vertical rod, it is convenient to adjust the position of the cleaning part, so that the cleaning part can be adjusted according to the position of the superheater tube bundle. The telescopic cylinder installed on the supporting horizontal rod makes it convenient for the telescopic cylinder to be raised and lowered after being connected to the air source, so that the cleaning part can clean the surface of the superheater tube bundle. The cleaning part includes a cleaning ring and a reset mechanism. The cleaning ring is installed on the supporting vertical rod through the reset mechanism. When the cleaning ring is sleeved on the outside of the superheater tube bundle, the cleaning ring can be adjusted through the reset mechanism to avoid damage to the cleaning ring whose size cannot be adjusted when cleaning the hard dust on the outer surface of the superheater tube bundle. The cleaning groove on the surface of the cleaning ring makes it convenient for the side edge of the cleaning groove to clean the superheater tube bundle.

[0013] 2. Through the reset mechanism composed of a positioning rod, a guide support rod, a retaining ring, an adjusting nut and a reset spring, and the reset spring connected to the outer surface of the guide support rod to buffer the supporting ear, when the cleaning ring is subjected to external force, the cleaning ring slides on the outer surface of the guide support rod with the supporting ear, and the supporting ear squeezes the reset spring when sliding, and the reset spring is compressed after being squeezed to achieve the purpose of buffering the cleaning ring, thereby avoiding damage to the cleaning ring when there is hard dust on the surface of the superheater tube bundle.

[0014] 3. A positioning rod of a staggered rectangular columnar structure is provided, and one end of the positioning rod is inserted into a slide groove provided on the surface of the supporting vertical rod. At the same time, a positioning nut is screwed on the end of the positioning rod to facilitate fixing the positioning rod on the supporting vertical rod, thereby achieving the purpose of fixing the dust cleaning part and the supporting vertical rod. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0017] Figure 2 It is a schematic diagram of the structure of the supporting vertical rod and the dust cleaning member in the utility model;

[0018] Figure 3 It is a schematic diagram of the structure of the dust cleaning component in the utility model.

[0019] Description of Figure Numbers:

[0020] 1. Telescopic cylinder; 2. Support cross bar; 3. Support vertical bar; 31. Slide groove; 4. Cleaning piece; 41. Positioning rod; 42. Positioning nut; 43. Guide support rod; 44. Retaining ring; 45. Adjusting nut; 46. Reset spring; 47. Cleaning ring; 48. Support ear; 49. Cleaning groove. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "center", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third", etc., are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0023] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "setting", "connection", "connection" and the like should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0024] See also Figure 1-3 The utility model provides a waste incinerator superheater ash cleaning device, comprising a vertically welded and fixed support cross bar 2 and a support vertical bar 3, a telescopic cylinder 1 for lifting is installed on the support cross bar 2, and a detachable ash cleaning part 4 is installed on the support vertical bar 3;

[0025] The cleaning part 4 includes a cleaning ring 47 and a reset mechanism. Two cleaning rings 47 are symmetrically arranged. The two cleaning rings 47 are sleeved on the outside of the tube bundle of the superheater. The cleaning ring 47 is installed on the supporting vertical rod 3 through the reset mechanism. The inner surface of the cleaning ring 47 is provided with a cleaning groove 49.

[0026] In the present embodiment, a detachable cleaning component 4 is installed on the supporting vertical rod 3, thereby facilitating adjustment of the position of the cleaning component 4, thereby facilitating adjustment of the cleaning component 4 according to the position of the superheater tube bundle, and the telescopic cylinder 1 installed on the supporting horizontal rod 2 facilitates the telescopic cylinder 1 to be raised and lowered after being connected to the air source, thereby facilitating the cleaning component 4 to clean the surface of the superheater tube bundle, and the cleaning component 4 includes a cleaning ring 47 and a reset mechanism, and the cleaning ring 47 is installed on the supporting vertical rod 3 by the reset mechanism, so that when the cleaning ring 47 is sleeved on the outside of the superheater tube bundle, the cleaning ring 47 can be adjusted by the reset mechanism, so as to avoid damage to the cleaning ring 47 which cannot be adjusted in size when cleaning the hard dust on the outer surface of the superheater tube bundle, and the cleaning groove 49 opened on the surface of the cleaning ring 47 facilitates the side edge of the cleaning groove 49 to clean the superheater tube bundle.

[0027] Specifically, the reset mechanism includes a positioning rod 41, a guide support rod 43, a retaining ring 44, an adjusting nut 45 and a reset spring 46. The guide support rod 43 is integrally formed with the positioning rod 41. A supporting ear 48 is integrally formed at the end of the cleaning ring 47, and the supporting ear 48 is movably sleeved on the outside of the guide support rod 43 through a hole opened on the surface. The reset spring 46 is sleeved on the outside of the guide support rod 43. The adjusting nut 45 is screwed on the end of the guide support rod 43. There are two reset springs 46 and support ears 48 connected to the outer shell of the guide support rod 43. The two reset springs 46 are respectively fixed to the two support ears 48, one of the reset springs 46 is fixed to the retaining ring 44, and the other reset spring 46 is fixed to the adjusting nut 45.

[0028] In this embodiment, a reset mechanism consisting of a positioning rod 41, a guide support rod 43, a retaining ring 44, an adjusting nut 45 and a reset spring 46 is used, and the reset spring 46 connected to the outer outer surface of the guide support rod 43 cushions the supporting ear 48, so that when the cleaning ring 47 is subjected to external force, the cleaning ring 47 slides on the outer surface of the guide support rod 43 with the supporting ear 48, and the supporting ear 48 squeezes the reset spring 46 when sliding, and the reset spring 46 is compressed after being squeezed to achieve the purpose of buffering the cleaning ring 47, thereby avoiding damage to the cleaning ring 47 when hard dust exists on the surface of the superheater tube bundle.

[0029] Specifically, the positioning rod 41 is a staggered rectangular columnar structure, and one end of the positioning rod 41 is inserted into the slide groove 31 opened on the surface of the supporting vertical rod 3, and the screw arranged at the end of the positioning rod 41 inserted into the slide groove 31 is screwed with a positioning nut 42.

[0030] In this embodiment, a positioning rod 41 having a staggered rectangular columnar structure is used, and one end of the positioning rod 41 is inserted into a slide groove 31 opened on the surface of the supporting vertical rod 3. At the same time, a positioning nut 42 is screwed on the end of the positioning rod 41, which facilitates the positioning rod 41 to be fixed to the supporting vertical rod 3, thereby achieving the purpose of fixing the cleaning component 4 and the supporting vertical rod 3.

[0031] Specifically, the included angle between the central axis of the cleaning groove 49 and the cleaning ring 47 is 30 degrees.

[0032] In this embodiment, the side edges of the cleaning grooves 49 are used to clean the surface of the superheater tube bundle.

[0033] Specifically, six supporting vertical rods 3 are arranged in parallel, and five cleaning components 4 are installed on five of the supporting vertical rods 3 , and the cleaning components 4 are located in a rectangular frame formed by the supporting cross rods 2 and the supporting vertical rods 3 .

[0034] The utility model also provides a method for cleaning a superheater of a garbage incinerator, comprising the following steps:

[0035] Step 1: The telescopic cylinder 1 drives the support cross bar 2 and the support vertical bar 3 to move up and down, so that the cleaning part 4 moves to the position of the superheater tube bundle;

[0036] Step 2: Adjust the adjusting nut 45 to appropriately compress the return spring 46, thereby controlling the expansion degree of the cleaning ring 47 so that the cleaning ring 47 can tightly surround the outer side of the superheater tube bundle;

[0037] Step 3: Control the telescopic cylinder 1 to drive the support cross bar 2 and the support vertical bar 3 to move up and down, so that the cleaning groove 49 on the cleaning ring 47 reciprocates relative to the surface of the superheater tube bundle, and the dust on the surface of the superheater tube bundle is scraped off by the side edge of the cleaning groove 49;

[0038] Step 4: When the dust on the superheater tube bundle is too much of a resistance to the cleaning ring 47 , the return spring 46 is squeezed to shrink the cleaning ring 47 , thus avoiding damage to the cleaning ring 47 .

[0039] This cleaning method is simple to operate, can effectively remove the dust accumulated on the surface of the superheater tube bundle, and has adaptive ability, which can automatically adjust the expansion degree of the cleaning ring according to the dust adhesion, thereby minimizing damage to the cleaning device. At the same time, the device has a compact structure and is easy to install and maintain.

[0040] Example

[0041] The first step is to stop the operation of the waste incinerator and wait for the temperature of the superheater tube bundle to drop to a safe value.

[0042] The second step is to check and confirm that all parts of the cleaning device are in good condition, the telescopic cylinder 1 functions normally, and the cleaning groove 49 of the cleaning ring 47 has no obvious damage.

[0043] The third step is to connect the compressed air pipeline to provide a power source for the telescopic cylinder 1.

[0044] The fourth step is to observe and adjust the position of the adjusting nut 45 so that the return spring 46 is appropriately compressed, thereby controlling the cleaning ring 47 to be in a certain expansion state.

[0045] The fifth step is to start the telescopic cylinder 1, slowly lower the supporting cross bar 2 and the supporting vertical bar 3, so that the cleaning ring 47 slowly covers the outer side of the superheater tube bundle.

[0046] The sixth step is to continue to control the telescopic cylinder 1 to drive the entire device to move up and down, so that the cleaning groove 49 performs a cutting and cleaning action relative to the surface of the superheater tube bundle.

[0047] Step 7: If you encounter hard dust during the cleaning process, observe whether the cleaning ring 47 shrinks. If it shrinks, it means that the reset spring 46 works normally and you can continue cleaning; if it does not shrink, you need to suspend the operation and check whether the reset mechanism is damaged.

[0048] In the eighth step, after the outer surface of the entire superheater tube bundle is cleaned, the telescopic cylinder 1 is controlled to lift upward to completely separate the cleaning ring 47 from the tube bundle.

[0049] The ninth step is to disassemble the adjusting nut 45 and the retaining ring 44, remove the return spring 46, and inspect, lubricate and maintain the guide support rod 43 and the positioning rod 41.

[0050] Step 10. Reinstall the reset mechanism, connect the compressed air pipeline, and the dust cleaning device can continue to be used.

[0051] Through the above-mentioned operating steps, the user can operate the waste incinerator superheater cleaning device step by step, safely and effectively, maximize its cleaning function, and protect the device from damage.

[0052] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, improvements, equivalent substitutions, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A waste incinerator superheater ash cleaning device, comprising a vertically welded support cross bar (2) and a support vertical bar (3), characterized in that: A telescopic cylinder (1) for lifting is installed at the bottom of the supporting cross bar (2), and one or more detachable cleaning parts (4) are installed on the supporting vertical bar (3); the cleaning parts (4) include cleaning rings (47) and reset mechanisms, and two cleaning rings (47) are symmetrically arranged. The two cleaning rings (47) are sleeved on the outside of the tube bundle of the superheater. The cleaning rings (47) are installed on the supporting vertical bar (3) through the reset mechanism, and the inner surface of the cleaning ring (47) is provided with a cleaning groove (49).

2. A garbage incinerator superheater cleaning device according to claim 1, characterized in that: The reset mechanism comprises a positioning rod (41), a guide support rod (43), a retaining ring (44), an adjusting nut (45) and a reset spring (46); the guide support rod (43) and the positioning rod (41) are integrally formed; the end of the cleaning ring (47) is integrally formed with a supporting ear (48), and the supporting ear (48) is movably sleeved on the outside of the guide support rod (43) through a hole opened on the surface; the reset spring (46) is sleeved on the outside of the guide support rod (43); and the adjusting nut (45) is screwed on the end of the guide support rod (43).

3. A garbage incinerator superheater cleaning device according to claim 2, characterized in that: The guide support rod (43) is provided with two return springs (46) and two support ears (48) connected to the outer shell. The two return springs (46) are respectively fixed to the two support ears (48), one return spring (46) is fixed to the retaining ring (44), and the other return spring (46) is fixed to the adjusting nut (45).

4. A garbage incinerator superheater cleaning device according to claim 2, characterized in that: The positioning rod (41) is a staggered rectangular columnar structure, and one end of the positioning rod (41) is inserted into a slide groove (31) provided on the surface of the supporting vertical rod (3), and a positioning nut (42) is screwed on the outer side of a screw arranged at the end of the positioning rod (41) inserted into the slide groove (31).

5. The waste incinerator superheater cleaning device according to claim 1 is characterized in that: The included angle between the central axis of the cleaning groove (49) and the cleaning ring (47) is 30 degrees.

6. The waste incinerator superheater cleaning device according to claim 1, characterized in that: Six supporting vertical rods (3) are arranged in parallel, and five cleaning components (4) are installed on five of the supporting vertical rods (3), and the cleaning components (4) are located in a rectangular frame formed by the supporting cross rod (2) and the supporting vertical rods (3).

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