Positioning and mounting device of double-effect external circulation evaporation preheater

Abstract

The utility model discloses a positioning and mounting device of a double-effect external circulation evaporation preheater, which relates to the technical field of double-effect external circulation evaporation preheaters and comprises a mounting top plate, hangers are fixedly mounted on the outer surfaces of two sides of the mounting top plate, and a positioning mechanism is movably mounted at the lower end of the mounting top plate. According to the pre-heater positioning device, the limiting unit and the clamping unit are matched together, so that the problem that pre-heaters of different models are inconvenient to mount and position due to the fact that the size of a positioning ring of the pre-heater is fixed and cannot be adjusted specifically in use in the prior art is solved; according to the steam preheater positioning device, the distance between the upper clamping base and an arc-shaped rubber pad can be adjusted through joint cooperation of a limiting column, a limiting block, a threaded rotating rod and the arc-shaped rubber pad, the steam preheaters of different models can be conveniently positioned through the positioning device, the use practical effect of the positioning device is improved, the installation cost is reduced, and further wide application and popularization are facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of double-effect external circulation evaporation preheaters, in particular to a positioning and installation device for double-effect external circulation evaporation preheaters. Background Art

[0002] The double-effect external circulation evaporator preheater utilizes the flue gas in the flue at the rear of the boiler to preheat the air before entering the boiler to a certain temperature of the heating surface through the internal heat sink, which is used to improve the heat exchange performance of the boiler and reduce energy consumption. It is generally referred to as an air preheater and is mostly used in coal-fired boilers. The application in the boiler is generally a three-compartment type. At present, it is not convenient to disassemble and assemble the double-effect external circulation evaporator preheater when it is in use. Therefore, a positioning and installation device for the double-effect external circulation evaporator preheater is proposed.

[0003] A positioning device for installing a plug-in air preheater with publication number: CN212251982U includes a wall, a positioning seat is arranged on the surface of the wall, screw holes are symmetrically opened on the surface of the wall, bolt grooves are symmetrically opened on the surface of the positioning seat, a through hole is penetrated through the inner wall of the bolt groove to the bottom of the positioning seat, a bolt is penetrated through the through hole and connected with the screw hole inside the bolt groove, and the bolt is engaged with the screw hole; the utility model uses the designed screw hole to make it convenient and quick to install the positioning seat on the wall through the designed screw hole, which greatly facilitates the installation of the positioning seat compared with the existing technology.

[0004] In order to solve the problem that the existing tubular air preheater positioner is inconvenient to install and the installation is relatively unstable, the existing technology uses designed screw holes, bolt grooves, through holes and bolts to facilitate and quickly install. However, the size of the positioning ring of the preheater is fixed and cannot be specifically adjusted during use, which makes it inconvenient to install and position preheaters of different models and has great installation limitations. Utility Model Content

[0005] The purpose of the utility model is to provide a positioning and installation device for a double-effect external circulation evaporator preheater to solve the problems raised in the above background technology.

[0006] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0007] A positioning and installation device for a double-effect external circulation evaporation preheater comprises a mounting top plate, the outer surfaces of both sides of the mounting top plate are fixedly mounted with hanging ears, a positioning mechanism is movably mounted at the lower end of the mounting top plate, and a fixed adjustment mechanism is arranged inside the positioning mechanism;

[0008] The positioning mechanism includes a fixing unit and an embedding unit, and the fixing unit is movably connected to the inner side of the embedding unit;

[0009] The fixing and adjusting mechanism comprises a limiting unit and a clamping unit, and the limiting unit is arranged on the outside of the clamping unit.

[0010] A further improvement of the technical solution of the utility model is that: the fixing unit includes an arc-shaped connecting plate and a connecting seat, the upper end of the arc-shaped connecting plate is fixedly connected with a connecting protrusion, the upper end outer surface of the connecting protrusion is slidably engaged with the inner wall of the second embedding groove preset at the lower end of the mounting top plate, and the inner wall of the connecting protrusion is preset with an auxiliary installation plug-in hole.

[0011] By adopting the above technical solution, the connecting protrusions are respectively arranged as T-shaped structures.

[0012] A further improvement of the technical solution of the utility model is that an upper clamping seat is fixedly installed on the lower surface of the connecting seat, and the upper end outer surface of the connecting seat is embedded and connected with the inner wall of an embedding groove preset on the inner wall of the lower end of the mounting top plate.

[0013] By adopting the above technical solution, the connecting seat is configured as a T-shaped structure that is slidably matched with an inner wall of the embedding groove and is located at the center of the two groups of connecting protrusions.

[0014] A further improvement of the technical solution of the utility model is that the embedding unit includes an insertion rod, the outer surface of the insertion rod is movably inserted into the inner wall of the mounting top plate, and the outer surface of the insertion rod is movably inserted into the inner wall of the insertion hole and the connecting seat.

[0015] By adopting the above technical solution, the plug rod passes through the inner wall of the mounting top plate, the plug hole and the connecting seat, and both ends are fixed by fastening bolts.

[0016] A further improvement of the technical solution of the utility model is that the limiting unit includes a lower clamping seat, the lower end outer surface of the lower clamping seat is fixedly connected to the limiting column, the lower end of the limiting column is fixedly connected to the limiting block, and the outer surface of the limiting column is slidably connected to the lower end inner wall of the arc connecting plate.

[0017] By adopting the above technical solution, the outer surface of the limiting column slides with the inner wall of the lower end of the arc-shaped connecting plate, and the diameter of the limiting block is larger than the diameter of the limiting column.

[0018] A further improvement of the technical solution of the utility model is that: the inner wall of the lower end of the lower clamping seat is rotatably connected with a threaded rotating rod, and the outer surface of the lower end of the threaded rotating rod is threadedly connected to the inner wall of the arc-shaped connecting plate.

[0019] By adopting the above technical solution, the outer surface of the threaded rotating rod is thread-matched with the inner wall thread of the lower end of the arc-shaped connecting plate.

[0020] A further improvement of the technical solution of the utility model is that the clamping unit includes an arc-shaped rubber pad, which is fixedly mounted on the inner surfaces of the upper clamping seat and the lower clamping seat respectively, and convex strips are evenly added on the inner and outer surfaces of the arc-shaped rubber pad.

[0021] By adopting the above technical solution, the convex strips and the arc-shaped rubber pads are both configured as flexible arc-shaped rubber pads.

[0022] Due to the adoption of the above technical solution, the utility model has achieved the following technical progress compared with the prior art:

[0023] 1. The utility model provides a positioning and installation device for a double-effect external circulation evaporator preheater, which adopts the cooperation between a fixing unit and an embedding unit, and the cooperation between an arc-shaped connecting plate, a connecting protrusion, a plug-in hole and an embedding groove 2, so as to realize the rapid disassembly and assembly between the arc-shaped connecting plate as a whole and the mounting top plate, enhance the installation stability between the mounting top plate and the arc-shaped connecting plate, cooperate with the connecting seat and the embedding groove 1 to assemble the upper clamping seat, avoid the long-term wear of the upper clamping seat as a whole, and at the same time, facilitate the replacement of preheaters of different sizes, with a simple structure, convenient disassembly and assembly, and high practicality.

[0024] 2. The utility model provides a positioning and installation device for a double-effect external circulation evaporative preheater, which adopts the cooperation between a limiting unit and a clamping unit, and solves the problem in the prior art that the size of the positioning ring of the preheater is fixed and cannot be specifically adjusted during use, resulting in inconvenience in installing and positioning preheaters of different models. By cooperating between a limiting column, a limiting block, a threaded rotating rod and an arc-shaped rubber pad, the distance between the upper clamping seat and the arc-shaped rubber pad can be adjusted, which is convenient for the positioning device to position steam preheaters of different models, thereby improving the practical effect of the positioning device, reducing installation costs, and facilitating further widespread promotion and use.

[0025] 3. The utility model provides a positioning and installation device for a double-effect external circulation evaporator preheater, which adopts the cooperation between the arc rubber pad and the convex strip to make a tight fit between the surface of the evaporator preheater and the arc rubber pad, which can effectively prevent the risk of the preheater falling off due to shaking, enhance the fixing effect, and make the installation more stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the structure of the utility model;

[0027] Figure 2 It is a three-dimensional structural schematic diagram of the utility model;

[0028] Figure 3 It is a three-dimensional exploded structural diagram of the positioning mechanism of the utility model;

[0029] Figure 4 It is a partial three-dimensional structural schematic diagram of the fixed adjustment mechanism of the utility model;

[0030] Figure 5 For the utility model Figure 4 A is an enlarged structural diagram of FIG.

[0031] In the figure: 1. Install the top plate; 11. Hanging ear; 2. Positioning mechanism; 3. Fixed adjustment mechanism; 211. Arc-shaped connecting plate; 212. Connecting protrusion; 213. Plug-in hole; 214. Connecting seat; 221. Insertion rod; 222. Embossed groove one; 223. Embossed groove two; 311. Upper clamp seat; 312. Lower clamp seat; 313. Limiting column; 3131. Limiting block; 321. Threaded rotating rod; 322. Arc-shaped rubber pad; 3221. Raised strip. DETAILED DESCRIPTION

[0032] The present invention is further described in detail below in conjunction with the embodiments:

[0033] Example 1

[0034] like Figure 1-5 As shown, the utility model provides a positioning and installation device for a double-effect external circulation evaporator preheater, comprising a mounting top plate 1, the outer surfaces of both sides of the mounting top plate 1 are fixedly mounted with hanging ears 11, the lower end of the mounting top plate 1 is movably mounted with a positioning mechanism 2, and the inner side of the positioning mechanism 2 is provided with a fixed adjustment mechanism 3; the positioning mechanism 2 comprises a fixing unit and an embedding unit, and the fixing unit is movably connected with the inner side of the embedding unit; the fixed adjustment mechanism 3 comprises a limiting unit and a clamping unit, the limiting unit is arranged on the outer side of the clamping unit, the fixing unit comprises an arc-shaped connecting plate 211 and a connecting seat 214, the upper end of the arc-shaped connecting plate 211 is fixedly connected with a connecting protrusion 212, and the upper end outer surface of the connecting protrusion 212 is slidably embedded with the inner wall of the embedding groove 223 preset at the lower end of the mounting top plate 1 The upper clamping seat 311 is fixedly mounted on the lower surface of the connecting seat 214, and the upper end outer surface of the connecting seat 214 is embedded with the inner wall of the embedding groove 1 222 preset on the inner wall of the lower end of the installing top plate 1. By movably inserting the connecting seat 214 and the connecting protrusion 212 into the embedding groove 1 222 and the embedding groove 223 respectively, and limiting and fixing the two by using the insert rod 221 and the fastening bolts, the upper clamping seat 311 can be easily assembled and replaced to adapt to preheaters of different sizes, while avoiding long-term wear of the upper clamping seat 311 as a whole.

[0035] Example 2

[0036] like Figure 1-5 As shown, on the basis of Example 1, the utility model provides a technical solution: preferably, the embedding unit includes an insertion rod 221, the outer surface of the insertion rod 221 is movably inserted into the inner wall of the mounting top plate 1, and the outer surface of the insertion rod 221 is movably inserted into the inner wall of the insertion hole 213 and the inner wall of the connecting seat 214, and the limiting unit includes a lower clamping seat 312, the lower end outer surface of the lower clamping seat 312 is fixedly connected to the limiting column 313, the lower end of the limiting column 313 is fixedly connected to the limiting block 3131, and the outer surface of the limiting column 313 is slidably connected to the lower end inner wall of the arc connecting plate 211, and the sliding of the limiting column 313 on the lower end inner wall of the arc connecting plate 211 can ensure that the arc rubber pad 322 as a whole maintains a straight line movement when lifting, and the setting of the limiting block 3131 is used to facilitate the stable limiting of the movement of the arc rubber pad 322 to avoid the slipping of the limiting column 313.

[0037] Example 3

[0038] like Figure 1-5 When the cap 321 is in the unlocking state, the locking plate 312 is unlocked and the locking plate 313 is unlocked, so that the locking plate 313 can be unlocked easily.

[0039] The working principle of the positioning and installation device of the double-effect external circulation evaporator preheater is described in detail below.

[0040] like Figure 1-5As shown, during operation, first fit the mounting top plate 1 with the mounting wall surface, and use the hanging ear 11 to firmly install it, then flexibly insert the connecting seat 214 and the connecting protrusion 212 into the embedding groove 1 222 and the embedding groove 223 respectively, and use the insertion rod 221 and the fastening bolt to limit and fix the two. According to the size of the evaporator preheater, the user manually rotates the threaded rotating rod 321 to make the limiting column 313 slide on the inner wall of the arc-shaped connecting plate 211, thereby driving the lower clamping seat 312 to rise, so that the surface of the evaporator preheater is tightly fitted with the inner side of the two sets of arc-shaped rubber pads 322, avoiding the risk of shaking and falling off during installation and use, and adjusting the clamping force by the rotation degree of the threaded rotating rod 321 is convenient for adapting to the positioning and installation of double-effect external circulation evaporator preheaters of different diameters.

[0041] The above generally describes the present invention in detail, but it is obvious to a person skilled in the art that some modifications or improvements can be made to the present invention. Therefore, modifications or improvements that do not deviate from the spirit of the present invention are within the scope of protection of the present invention.

Claims

1. A positioning and installation device for a double-effect external circulation evaporation preheater, suitable for the installation and use of the double-effect external circulation evaporation preheater, comprising an installation top plate (1), characterized in that: The outer surfaces of both sides of the mounting top plate (1) are fixedly mounted with hanging ears (11), the lower end of the mounting top plate (1) is movably mounted with a positioning mechanism (2), and the inner side of the positioning mechanism (2) is provided with a fixed adjustment mechanism (3); The positioning mechanism (2) comprises a fixing unit and an embedding unit, wherein the fixing unit is movably connected to the inner side of the embedding unit; The fixing and adjusting mechanism (3) comprises a limiting unit and a clamping unit, wherein the limiting unit is arranged outside the clamping unit.

2. The positioning and installation device for a double-effect external circulation evaporation preheater according to claim 1 is characterized in that: The fixing unit comprises an arc-shaped connecting plate (211) and a connecting seat (214); the upper end of the arc-shaped connecting plate (211) is fixedly connected to a connecting protrusion (212); the outer surface of the upper end of the connecting protrusion (212) is slidably engaged with the inner wall of a second embedding groove (223) preset at the lower end of the mounting top plate (1); and an auxiliary mounting plug hole (213) is preset on the inner wall of the connecting protrusion (212).

3. The positioning and installation device for a double-effect external circulation evaporation preheater according to claim 2 is characterized in that: An upper clamping seat (311) is fixedly mounted on the lower surface of the connecting seat (214), and the upper outer surface of the connecting seat (214) is engaged and connected with the inner wall of an embedding groove (222) preset on the inner wall of the lower end of the mounting top plate (1).

4. The positioning and installation device for a double-effect external circulation evaporation preheater according to claim 1 is characterized in that: The embedding unit comprises an insertion rod (221), the outer surface of the insertion rod (221) is movably inserted into the inner wall of the mounting top plate (1), and the outer surface of the insertion rod (221) is movably inserted into the inner wall of the insertion hole (213) and the connection seat (214).

5. The positioning and installation device for a double-effect external circulation evaporation preheater according to claim 1 is characterized in that: The limiting unit comprises a lower clamping seat (312), the lower end outer surface of the lower clamping seat (312) is fixedly connected to a limiting column (313), the lower end of the limiting column (313) is fixedly connected to a limiting block (3131), and the outer surface of the limiting column (313) is slidably connected to the lower end inner wall of the arc-shaped connecting plate (211).

6. A positioning and installation device for a double-effect external circulation evaporation preheater according to claim 5, characterized in that: The inner wall of the lower end of the lower clamping seat (312) is rotatably connected to a threaded rotating rod (321), and the outer surface of the lower end of the threaded rotating rod (321) is threadedly connected to the inner wall of the arc-shaped connecting plate (211).

7. The positioning and installation device for a double-effect external circulation evaporation preheater according to claim 1 is characterized in that: The clamping unit comprises an arc-shaped rubber pad (322), and the arc-shaped rubber pad (322) is fixedly mounted on the inner surfaces of the upper clamping seat (311) and the lower clamping seat (312), respectively, and convex strips (3221) are evenly added on the inner and outer surfaces of the arc-shaped rubber pad (322).

Images