CN210346426U

CN210346426U - Stepped heat-sealed air cooler

Info

Publication number: CN210346426U
Application number: CN201921332823.9U
Authority: CN
Inventors: 赵天波; 向勇
Original assignee: Hubei Changjiang Petrochemical Equipment Co ltd
Current assignee: Hubei Changjiang Petrochemical Equipment Co ltd
Priority date: 2019-08-16
Filing date: 2019-08-16
Publication date: 2020-04-17
Anticipated expiration: 2029-08-16

Abstract

The utility model provides a step heat-sealed air cooler, which comprises two groove-shaped mounting frames which are symmetrically arranged, wherein front pipe boxes are arranged at the front ends of the two groove-shaped mounting frames, and rear pipe boxes are arranged at the rear ends of the two groove-shaped mounting frames; a plurality of heat exchange tubes arranged in a rectangular array are arranged between the front tube box and the rear tube box; the front tube box and the rear tube box both comprise tube plates for installing heat exchange tubes, the upper ends of the tube plates are fixedly connected with a top plate, the lower ends of the tube plates are fixedly connected with a bottom plate, and the top plate and the bottom plate are fixedly connected with plug plates with stepped surface structures; each step surface of the wire plugging plate is provided with a plurality of wire plugging structures; the front pipe box is provided with a water outlet pipe positioned at the top, and the rear pipe box is provided with a water inlet pipe positioned at the bottom. The condition that leakage is easy to occur between the plug screw and the plug plate when the pipe box adopts plane sealing is improved.

Description

Stepped heat-sealed air cooler

Technical Field

The utility model relates to an air cooler field, concretely relates to ladder heat seal formula air cooler.

Background

The air cooler is mainly used as heat exchange equipment with more condensation and cooling applications in petrochemical industry and oil gas processing production, and generally comprises a tube bundle, a tube box, a fan, a shutter, a framework and the like; when heat exchange and cooling are carried out, high-temperature liquid circularly flows in the tube bundle and the tube box, then air is conveyed to the tube bundle through the fan, and heat in the tube bundle is dissipated through air flowing. The pipe box is internally provided with a wire plugging plate, a plurality of wire plugging screw rods are arranged on the wire plugging plate for sealing, and a wire hole on the reserved wire plugging plate can be used for expanding and cleaning equipment. However, the existing pipe box is of a cuboid structure, the sealing mode of the screw blocking plate belongs to plane sealing, and the problem of leakage between the screw blocking screw and the screw blocking plate is easy to occur in a high-temperature and high-pressure environment.

SUMMERY OF THE UTILITY MODEL

To the not enough that exists among the prior art, the utility model provides a ladder heat seal formula air cooler has solved the problem that leaks appears between plug screw rod and the plug board easily appearing in the pipe box adoption plane seal.

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

a step heat-sealed air cooler comprises two groove-shaped mounting racks which are symmetrically arranged, wherein front pipe boxes are mounted at the front ends of the two groove-shaped mounting racks, and rear pipe boxes are mounted at the rear ends of the two groove-shaped mounting racks; a plurality of heat exchange tubes arranged in a rectangular array are arranged between the front tube box and the rear tube box; the front tube box and the rear tube box respectively comprise tube plates for installing heat exchange tubes, the upper ends of the tube plates are fixedly connected with a top plate, the lower ends of the tube plates are fixedly connected with a bottom plate, and the top plate and the bottom plate are fixedly connected with plug plates with stepped surface structures; each step surface of the wire plugging plate is provided with a plurality of wire plugging structures; the water outlet pipe positioned at the top is arranged on the front pipe box, and the water inlet pipe positioned at the bottom is arranged on the rear pipe box.

Preferably, offer the sealed hole that is used for installing the plug structure on the ladder face of plug board, sealed hole is including screw and the taper hole that communicates in proper order.

Preferably, the plug structure comprises a plug screw, a protruding column is arranged at the tail end of the plug screw, and a conical sealing gasket matched with the conical hole is bonded on the protruding column.

Preferably, a plurality of micro springs uniformly distributed along the circumferential direction are fixedly connected to the screw head, close to the screw plugging plate, of the screw plugging screw, and a sealing plate is fixedly connected to each micro spring.

Preferably, the screw head of the plug screw is further fixedly connected with a limiting ring positioned on the outer side of the plurality of miniature springs.

Preferably, the height of the limiting ring is 3 mm-5 mm smaller than that of the sealing plate.

Preferably, at least one tube pass plate is fixedly connected in each of the front tube box and the rear tube box.

Preferably, a positioning hole plate which is arranged along the length direction of the two groove-shaped mounting frames and used for limiting the heat exchange tubes is further fixedly connected between the two groove-shaped mounting frames.

Compared with the prior art, the utility model discloses following beneficial effect has:

the plug plate with the stepped surface structure has a certain deformation amount under the condition of high-temperature and high-pressure sealing, and can adapt to the thermal expansion of equipment, so that the phenomenon that the plug structure leaks from the plug plate when the plug plate deforms is avoided.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic sectional view of the present invention;

FIG. 3 is an enlarged view of a portion A of FIG. 2;

FIG. 4 is a schematic structural diagram of a front channel and a rear channel;

in the figure, a groove-shaped mounting frame 1, a front pipe box 2, a rear pipe box 3, a heat exchange pipe 4, a pipe plate 5, a top plate 6, a bottom plate 7, a plug plate 8, a sealing hole 81, a screw hole 82, a taper hole 83, a plug structure 9, a plug screw 91, a protruding column 92, a tapered sealing gasket 93, a water outlet pipe 10, a water inlet pipe 11, a micro spring 12, a sealing plate 13, a limiting ring 14, a pipe pass plate 15 and a positioning pore plate 16.

Detailed Description

The present invention is further described with reference to the following drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.

As shown in fig. 1 to 4, the present invention provides a stepped heat-sealed air cooler, which comprises two groove-shaped mounting brackets 1 symmetrically arranged, wherein front pipe boxes 2 are installed at the front ends of the two groove-shaped mounting brackets 1, and rear pipe boxes 3 are installed at the rear ends of the two groove-shaped mounting brackets 1; a plurality of heat exchange tubes 4 arranged in a rectangular array are arranged between the front tube box 2 and the rear tube box 3.

The front tube box 2 and the rear tube box 3 both comprise tube plates 5 for mounting heat exchange tubes 4, the upper ends of the tube plates 5 are fixedly connected with a top plate 6, the lower ends of the tube plates 5 are fixedly connected with a bottom plate 7, and the top plate 6 and the bottom plate 7 are fixedly connected with plug plates 8 with stepped surface structures; each step surface of the wire plugging plate 8 is provided with a plurality of wire plugging structures 9; the front pipe box 2 is provided with a water outlet pipe 10 positioned at the top, and the rear pipe box 3 is provided with a water inlet pipe 11 positioned at the bottom; the plug wire plate 8 is of a stepped surface structure, the expansion state is just buffered through the stepped surface structure, the plug wire plate 8 is effectively prevented from generating large offset, and a good sealing state is always kept between the plug wire structure 9 and the plug wire plate 8.

Offer the sealed hole 81 that is used for installing plug structure 9 on the ladder face of plug board 8, sealed hole 81 is including screw 82 and the taper hole 83 that communicates in proper order, and simultaneously, plug structure 9 includes plug screw 91, and plug screw 91's screw rod end is equipped with protruding post 92, it has the sealed pad 93 of toper with taper hole 83 complex to bond on the protruding post 92, when locking through screw rod position on the plug screw 91 and screw 82, pushes the sealed pad 93 of toper and forms sealedly with taper hole 83 cooperation, strengthens thread seal's effect, further guarantees the sealing performance between plug structure 9 and the plug board 8.

Meanwhile, in order to avoid the rotation of the plug screw 91, a plurality of micro springs 12 uniformly distributed along the circumferential direction are fixedly connected to the screw head of the plug screw 91 close to the plug plate 8, the number of the micro springs 12 is determined according to the diameter of the screw head of the plug screw 91, and the number is not less than 4; a sealing plate 13 is fixedly connected to the micro spring 12; when the plug screw 91 is screwed, the self-rotation of the plug screw 91 is prevented by the elastic force of the miniature springs 12, and the locking state of the plug screw 91 is ensured, so that the sealing state between the whole plug structure 9 and the plug plate 8 is ensured.

Wherein, the sealing plate 13 and the tapered sealing gasket 93 are made of high temperature-resistant fluororubber, and the softness can be ensured under the condition of bearing the high temperature of 300 ℃.

In order to avoid the situation that the micro springs 12 are too much protruded outwards after being compressed and the micro springs 12 lose elasticity, the screw heads of the plug screws 91 are fixedly connected with limiting rings 14 positioned on the outer sides of the micro springs 12, and the situation that the micro springs 12 are protruded outwards after being compressed is avoided through the action of the limiting rings 14; meanwhile, the height of the limiting ring 14 is smaller than the height of the sealing plate 13 by 3-5 mm, so that the spring can be compressed to a preset height.

In order to enable the high-temperature liquid entering the front tube box 2 and the rear tube box 3 to flow in the plurality of heat exchange tubes 4 in a circulating manner, at least one tube pass plate 15 is fixedly connected in each of the front tube box 2 and the rear tube box 3, and the front tube box 2 and the rear tube box 3 are divided into a plurality of circulation buffer areas through the tube pass plates 15, so that the liquid flowing in the plurality of heat exchange tubes 4 flows in a reversing manner.

And a positioning pore plate 16 which is arranged along the length direction of the two groove-shaped mounting frames 1 and used for limiting the heat exchange tube 4 is further fixedly connected between the two groove-shaped mounting frames 1, and the heat exchange tube 4 is supported and fixed under the action of the positioning pore plate 16, so that the deformation of the heat exchange tube 4 caused by the weight change of the liquid flowing through the heat exchange tube 4 is avoided.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. A step heat-sealed air cooler comprises two groove-shaped mounting racks (1) which are symmetrically arranged, wherein front pipe boxes (2) are mounted at the front ends of the two groove-shaped mounting racks (1), and rear pipe boxes (3) are mounted at the rear ends of the two groove-shaped mounting racks (1); the method is characterized in that: a plurality of heat exchange tubes (4) arranged in a rectangular array are arranged between the front tube box (2) and the rear tube box (3);

the front tube box (2) and the rear tube box (3) respectively comprise tube plates (5) for mounting heat exchange tubes (4), the upper ends of the tube plates (5) are fixedly connected with a top plate (6), the lower ends of the tube plates (5) are fixedly connected with a bottom plate (7), and the top plate (6) and the bottom plate (7) are fixedly connected with wire plugging plates (8) with stepped surface structures; each step surface of the wire plugging plate (8) is provided with a plurality of wire plugging structures (9);

the water outlet pipe (10) positioned at the top is arranged on the front pipe box (2), and the water inlet pipe (11) positioned at the bottom is arranged on the rear pipe box (3).

2. The stepped, heat-sealed air cooler of claim 1, wherein: offer on the ladder face of silk closure plate (8) and be used for installing sealed hole (81) of plug structure (9), sealed hole (81) are including screw (82) and taper hole (83) that communicate in proper order.

3. The stepped, heat-sealed air cooler of claim 2, wherein: the plug structure (9) comprises a plug screw (91), a protruding column (92) is arranged at the tail end of the screw of the plug screw (91), and a conical sealing gasket (93) matched with the taper hole (83) is bonded on the protruding column (92).

4. The stepped, heat-sealed air cooler of claim 3, wherein: a plurality of micro springs (12) uniformly distributed along the circumferential direction are fixedly connected to the screw head, close to the screw plugging plate (8), on the screw plugging screw rod (91), and a sealing plate (13) is fixedly connected to each micro spring (12).

5. The stepped, heat-sealed air cooler of claim 4, wherein: and the screw head of the plug screw (91) is also fixedly connected with a limiting ring (14) positioned on the outer side of the miniature springs (12).

6. The stepped, heat-sealed air cooler of claim 5, wherein: the height of the limiting ring (14) is 3-5 mm smaller than that of the sealing plate (13).

7. The stepped, heat-sealed air cooler according to any one of claims 1 to 6, wherein: at least one tube pass plate (15) is fixedly connected in the front tube box (2) and the rear tube box (3).

8. The stepped, heat-sealed air cooler of claim 7, wherein: and a positioning hole plate (16) which is arranged along the length direction of the two groove-shaped mounting frames (1) and used for limiting the heat exchange tubes (4) is further fixedly connected between the two groove-shaped mounting frames.