CN212841528U

CN212841528U - Wear-resistant cover for low-temperature superheater and low-temperature superheater

Info

Publication number: CN212841528U
Application number: CN202020913142.8U
Authority: CN
Inventors: 祁一民; 秦健
Original assignee: Zhangjiagang Huayi Special Equipment Co ltd
Current assignee: Zhangjiagang Huayi Special Equipment Co ltd
Priority date: 2020-05-27
Filing date: 2020-05-27
Publication date: 2021-03-30
Anticipated expiration: 2030-05-27

Abstract

The utility model discloses an abrasionproof cover and low temperature over heater for low temperature over heater, concretely relates to low temperature over heater field, it includes abrasionproof cover and low temperature over heater, the inner wall and the low temperature over heater fixed surface welding of abrasionproof cover, the abrasionproof cover includes abrasionproof cover one and abrasionproof cover two, the inner wall and the two threaded connection of abrasionproof cover one, low temperature over heater's fixed surface installs the welding point, the equal fixed mounting in upper and lower end of abrasionproof cover inner wall has the slide rail, the both ends of slide rail extend to the both sides border of abrasionproof cover one, spout one has been seted up at the middle part of slide rail, spout one runs through the slide rail. The utility model discloses a novel low temperature over heater abrasionproof cover can adjust the protection area of protection casing, adapts to the needs of different situations, and application scope is wide, and the metal corrosion is little after the abrasionproof cover welded mounting.

Description

Wear-resistant cover for low-temperature superheater and low-temperature superheater

Technical Field

The utility model relates to a low temperature over heater field especially relates to an abrasionproof cover and low temperature over heater for low temperature over heater.

Background

The low-temperature superheater is made of high-temperature-resistant high-quality low-carbon steel or alloy steel materials, because the superheater bears high temperature in a boiler, the temperature of superheated steam inside the boiler in a power station is very high, steam generated by a common boiler is saturated steam, the saturated steam can be generated into superheated steam by further heating, the method for generating the superheated steam by heating the saturated steam by using the superheater is a common method in the industrial field at present, the superheater adopts a parallel pipeline composition structure and has a screen type or a serpentine pipe type, an anti-abrasion cover or an anti-abrasion tile is usually fixedly installed on the outer surface of the superheater, because the content of particles in smoke in the boiler is very large, the superheater can be abraded under the condition of high-speed convection of air.

The abrasion-proof cover in the prior art is a semi-circular tile-shaped plate made of stainless steel materials, and the abrasion-proof cover is integrally formed, so that the large size of the abrasion-proof cover is fixed after production, the protection range is fixed and cannot be changed, and the abrasion-proof cover is inconvenient to use when being installed on the protection covers with different sizes and requiring different protection ranges.

When the abrasion-proof cover is installed, each protective cover needs to be tightly attached to the outer surface of the superheater, then the contact edge of the protective cover and the superheater is firmly welded, the welding position is the inner wall of the protective cover and the outer surface of the superheater, and the surface contact between the protective cover and the superheater can cause accelerated oxidation and corrosion of the superheater.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art, and providing an anti-abrasion cover for a low-temperature superheater and low-temperature overheating.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an abrasionproof cover and low temperature over heater for low temperature over heater, including abrasionproof cover and low temperature over heater, the inner wall and the fixed surface welding of low temperature over heater of abrasionproof cover, the abrasionproof cover includes abrasionproof cover one and abrasionproof cover two, the inner wall and the two threaded connection of abrasionproof cover one, two inner wall fixed mounting of abrasionproof cover have the welding part, the fixed surface mounting of low temperature over heater has the welding point.

Preferably, the upper end and the lower end of the inner wall of the anti-abrasion cover are fixedly provided with slide rails, two ends of each slide rail extend to two side edges of the corresponding anti-abrasion cover, a first slide groove is formed in the middle of each slide rail, and the first slide groove penetrates through the corresponding slide rail.

Preferably, the top and the bottom of the second abrasion-proof cover are fixedly provided with fixing rods, the upper ends of the fixing rods penetrate through the first sliding groove and are in threaded connection with the first nut, and the top and the bottom of the second abrasion-proof cover are provided with second sliding grooves.

Preferably, the inside sliding connection of spout two has the locating lever, the upper end of locating lever runs through spout and threaded connection has nut two together.

Preferably, the number of the welding parts is three, the welding parts are arranged at equal intervals, and the cross section of each welding part is in a semi-circular arc shape.

Preferably, the welding points are arranged around the outer surface of the low-temperature superheater at equal intervals, and the cross section of each welding point is in a semi-circular arc shape.

The utility model has the advantages that:

1. the utility model discloses in, the spout seted up through the slide rail of an abrasionproof cover inner wall and slide rail middle part makes the dead lever at two tops of abrasionproof cover sliding connection in abrasionproof cover one to adjust the protection scope of abrasionproof cover, can enlarge the area of abrasionproof cover, also can reduce the area of abrasionproof cover, be applicable to not unidimensional low temperature over heater, with the different occasion of protection requirement.

2. The utility model discloses in, will prevent the fixed welding of wearing cover on the low temperature over heater surface through weld part and welding point for separate one section distance between the two, reduce the contact surface between the two, prevent that the metal contact from forming galvanic corrosion.

Drawings

Fig. 1 is a front view of the structure of the present invention.

Fig. 2 is the structure schematic diagram of the low temperature superheater of the utility model.

Fig. 3 is a schematic structural view of the second abrasion-proof cover of the present invention.

Reference numbers in the figures: 1. an anti-wear cover; 101. a first anti-wear cover; 102. a second abrasion-proof cover; 2. a low temperature superheater; 3. Welding the part; 4. a welding point; 5. a slide rail; 6. a first sliding chute; 7. fixing the rod; 8. a first nut; 9. a second chute; 10. positioning a rod; 11. and a second nut.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, an anti-wear cover and a low temperature superheater for a low temperature superheater comprise an anti-wear cover 1 and a low temperature superheater 2, the inner wall of the anti-wear cover 1 is fixedly welded with the outer surface of the low temperature superheater 2, the anti-wear cover 1 comprises a first anti-wear cover 101 and a second anti-wear cover 102, the inner wall of the first anti-wear cover 101 is in threaded connection with the second anti-wear cover 102, a welding part 3 is fixedly mounted on the inner wall of the second anti-wear cover 102, and a welding point 4 is fixedly mounted on the outer surface of the low temperature

Wherein, the equal fixed mounting of the last lower extreme of the first 101 inner walls of abrasionproof cover has slide rail 5, the both ends of slide rail 5 extend to the both sides border of the first 101 of abrasionproof cover, a 6 spout has been seted up at the middle part of slide rail 5, a 6 spout runs through slide rail 5, utilize both ends installation slide rail 5 about the first 101 of abrasionproof cover, can increase the fastness of the first 101 of abrasionproof cover and the second 102 of abrasionproof cover, slide rail 5 connects the first 101 both sides border of abrasionproof cover and lets adjustable range maximize, utilize a 6 spout to make the second 102 of abrasionproof cover fix at the 5 middle parts of the first 101 inner walls slide rail of abrasionproof.

Wherein, the equal fixed mounting in left end of two 102 tops of abrasionproof cover and bottom has dead lever 7, the upper end of dead lever 7 runs through spout one 6 and threaded connection has nut one 8, spout two 9 have all been seted up to the top and the bottom of abrasionproof cover two 102, utilize dead lever 7 to run through spout one 6 and fasten at dead lever 7 top with nut one 8, make two 102 of abrasionproof cover fix at the 5 middle parts of abrasionproof cover one 101 inner wall slide rail, utilize the position that can adjust locating lever 10 at spout two 9 inside sliding connection locating levers 10, conveniently fix.

Wherein, the inside sliding connection of spout two 9 has locating lever 10, and the upper end of locating lever 10 runs through spout one 6 and threaded connection has nut two 11, utilizes the upper end of locating lever 10 to run through spout one 6 then with its fastening of nut two 11 for four point bolt location has further improved the fastness of abrasionproof cover 1 between abrasionproof cover one 101 and the abrasionproof cover two 102.

Wherein, the quantity of welding part 3 is three and is separated by the equidistance setting, and the cross-section of welding part 3 is half circular arc, utilizes welding part 3 and the welding point 4 welding on low temperature over heater 2 surface for form the point contact between 1 welding back of abrasionproof cover and the low temperature over heater 2, prevent that low temperature over heater 2 from taking place oxidation and corruption at the contact surface, and the minimum face of weld of 3 contact surfaces of half circular arc's welding part is minimum, keeps apart 1 inner wall of protection casing and low temperature over heater 2 surfaces.

Wherein, welding point 4 encircles 2 surfaces of low temperature over heater and is separated by equidistance setting, and the cross-section of welding point 4 is half circular arc, utilizes welding point 4 to encircle 2 settings of low temperature over heater and separate between messenger's welding back abrasionproof cover 1 and the low temperature over heater 2, prevents that the contact surface between the two is the pleomorphy galvanic corrosion that becomes between the two, and two kinds of different metals contact each other and are in the produced electrochemical corrosion of electrolyte simultaneously.

The working principle is as follows: the utility model discloses during the use, loosen nut 8 and nut two 11, two 102 of pulling abrasionproof cover make dead lever 7 run through slide rail 5, slide at 6 middle parts of spout, two 102 to suitable position backs of pulling abrasionproof cover, respectively with

dead lever

7 and 10 threaded connection of locating lever nut 8 and two 11 of nut, fastening screw thread makes abrasionproof cover 101 fixed with two 102 of abrasionproof cover, then hug closely 2 surfaces of low temperature over heater with two 102 inner walls of abrasionproof cover, weld part 3 and welding point 4 welding, abrasionproof cover 1 is fixed on 2 surfaces of low temperature over heater.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A abrasionproof cover and low temperature over heater for low temperature over heater, including abrasionproof cover (1) and low temperature over heater (2), the inner wall and the fixed surface welding of low temperature over heater (2) of abrasionproof cover (1), its characterized in that, abrasionproof cover (1) is including abrasionproof cover one (101) and abrasionproof cover two (102), the inner wall and two (102) threaded connection of abrasionproof cover one (101), abrasionproof cover two (102) inner wall fixed mounting has welding portion (3), the fixed surface of low temperature over heater (2) installs welding point (4).

2. The wear-resistant cover for the low-temperature superheater and the low-temperature superheater according to claim 1 are characterized in that sliding rails (5) are fixedly mounted at the upper end and the lower end of the inner wall of the first wear-resistant cover (101), two ends of each sliding rail (5) extend to two side edges of the first wear-resistant cover (101), a first sliding groove (6) is formed in the middle of each sliding rail (5), and each first sliding groove (6) penetrates through each sliding rail (5).

3. The wear-resistant cover for the low-temperature superheater and the low-temperature superheater according to claim 1 are characterized in that fixing rods (7) are fixedly mounted at the left ends of the top and the bottom of the second wear-resistant cover (102), the upper ends of the fixing rods (7) penetrate through the first sliding grooves (6) and are in threaded connection with the first nuts (8), and the second sliding grooves (9) are formed in the top and the bottom of the second wear-resistant cover (102).

4. The wear prevention cover for the low-temperature superheater and the low-temperature superheater according to claim 3 are characterized in that a positioning rod (10) is slidably connected inside the second sliding groove (9), and the upper end of the positioning rod (10) penetrates through the first sliding groove (6) and is in threaded connection with a second nut (11).

5. The wear cover for a low-temperature superheater and the low-temperature superheater according to claim 1, characterized in that the number of the welding portions (3) is three and are equidistantly arranged, and the cross section of the welding portions (3) is a semi-circular arc.

6. The wear cover for a low temperature superheater and the low temperature superheater according to claim 1 characterized in that the weld points (4) are arranged around the outer surface of the low temperature superheater (2) at equal distances, and the cross section of the weld points (4) is a semi-circular arc.