CN210162272U

CN210162272U - Flow distribution plate for spaceflight

Info

Publication number: CN210162272U
Application number: CN201921063616.8U
Authority: CN
Inventors: 陈科宇
Original assignee: Yancheng Keyu Machinery Manufacturing Co Ltd
Current assignee: Yancheng Keyu Machinery Manufacturing Co Ltd
Priority date: 2019-07-09
Filing date: 2019-07-09
Publication date: 2020-03-20
Anticipated expiration: 2029-07-09

Abstract

The utility model discloses a flow distributing plate for spaceflight, which comprises a housin, the inner wall bottom fixed mounting of casing has the tube sheet, there are first distribution board and second break plate through the fixed establishment fixed mounting who all establishes in the inside four corners of casing respectively on the inner wall of casing, the up end of first distribution board and second break plate is the inclined plane, just the upper end high side of first distribution board and second break plate is the staggered distribution, first delivery port and second delivery port have been seted up respectively to the upper end low side of first distribution board and second break plate. The utility model discloses a set up first distribution board and second distribution board, filter mechanism, lower filter screen and the reposition of redundant personnel mechanism that the upper end becomes the inclined plane, can filter the impurity in the liquid to improve the horizontal velocity of flow of tube sheet upper surface, the low velocity of flow district that has significantly reduced, and filter silt through last filter screen and lower filter screen, make the remaining silt of tube sheet upper surface reduce by a wide margin.

Description

Flow distribution plate for spaceflight

Technical Field

The utility model relates to an aerospace accessory technical field especially relates to a flow distribution board for aerospace.

Background

Flow distribution plates are installed in the steam generators used in the fittings of the aerospace equipment, and have the functions of improving the transverse flow velocity of the upper surface of the tube plate, reducing low flow velocity areas and reducing sludge on the upper surface of the tube plate.

However, in the existing flow distribution plate, the structure generally comprises a fixing plate and a communicating component, the communicating component is an integral structure and comprises two L-shaped communicating pipes, the corners of the two communicating pipes are connected through connecting columns with cross sections, the thickness of the existing flow distribution plate is reduced, so that the cost is reduced, the using effect is not ideal, the transverse flow rate of the surface of the tube plate is not accelerated, and a plurality of low-flow-rate areas are formed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the flow distribution board for space flight that proposes, its first distribution board and second distribution board through setting up the upper end to the inclined plane, filtering mechanism, lower filter screen and reposition of redundant personnel mechanism can filter the impurity in the liquid, and improve the transverse flow rate of tube sheet upper surface, the low velocity of flow district that has significantly reduced, and filter silt through last filter screen and lower filter screen, make the remaining silt of tube sheet upper surface reduce by a wide margin.

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

the utility model provides a flow distributing plate for space flight, includes the casing, the inner wall bottom fixed mounting of casing has the tube sheet, respectively through all establish fixed establishment fixed mounting at the inside four corners of casing first distribution board and second distributor plate on the inner wall of casing, the up end of first distribution board and second distributor plate is the inclined plane, just the upper end high side of first distribution board and second distributor plate is the crisscross distribution, first delivery port and second delivery port have been seted up respectively to the upper end low side of first distribution board and second distributor plate, the lower extreme of first delivery port and second delivery port all installs the filter mechanism who is used for filtering liquid, the casing is located fixedly connected with flow distribution plate on the inner wall of second distributor plate and tube sheet middle department, all be equipped with on the flow distribution plate and be used for liquid evenly distributed to the reposition of redundant personnel mechanism on the tube sheet.

Preferably, the fixing mechanism includes a clamping plate and a mounting plate, the mounting plate is fixedly connected with the clamping plate, the mounting plate is fixedly connected to the inner wall of the casing through a fixing bolt, the first distributing plate is clamped between the plurality of clamping plates located above, and the second distributing plate is clamped between the plurality of clamping plates located below.

Preferably, the filter mechanism includes stock solution box and last filter screen, two stock solution box fixed connection is at the lower extreme of first distribution board and second break plate, and two the stock solution box communicates with first delivery port and second delivery port respectively, go up filter screen fixed connection between the inner wall of stock solution box, the opening has been seted up to the stock solution box lower extreme.

Preferably, reposition of redundant personnel mechanism is including a reposition of redundant personnel section of thick bamboo, a reposition of redundant personnel section of thick bamboo equipartition is in the upper end of flow distribution plate, just a reposition of redundant personnel section of thick bamboo runs through the flow distribution plate setting, it all is equipped with the feed liquor hole to be close to upper end department on the lateral wall of a reposition of redundant personnel section of thick bamboo.

Preferably, a lower filter screen is fixedly installed in the shunt cylinder.

Preferably, the first distribution plate and the second distribution plate are tightly attached to the inner wall of the shell, and sealing gaskets are arranged at the attaching positions.

The utility model discloses following beneficial effect has:

1. the first distribution plate and the second distribution plate with the upper ends being inclined planes are arranged, so that the flow velocity of liquid flowing on the surfaces of the first distribution plate and the second distribution plate can be greatly increased, the transverse flow velocity of the liquid on the tube plate is greatly increased, and a low flow velocity area of the whole mechanism is reduced;

2. through setting up filter mechanism and lower filter screen, can filter the impurity in the liquid, make the liquid that flows to on the tube sheet comparatively pure, filter out silt in advance, make the remaining silt of tube sheet upper surface reduce by a wide margin.

Drawings

Fig. 1 is a schematic structural diagram of a flow distribution plate for aerospace according to the present invention;

fig. 2 is a top view of the flow distribution plate for aerospace according to the present invention.

In the figure: the device comprises a shell 1, a first water outlet 2, a first distribution plate 3, a clamping plate 4, a mounting plate 5, a fixing bolt 6, an upper filter screen 7, a liquid storage box 8, an opening 9, a second distribution plate 10, a second water outlet 11, a lower filter screen 12, a flow distribution plate 13, a liquid inlet hole 14, a flow distribution cylinder 15 and a tube plate 16.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", 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 simplicity of description, and do not indicate or imply that the device or element being 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.

Referring to fig. 1-2, a flow distributing plate for spaceflight, including casing 1, the inner wall bottom fixed mounting of casing 1 has tube sheet 16, there are first distributing plate 3 and second distributing plate 10 through the fixed establishment fixed mounting who all establishes in the inside four corners of casing 1 on casing 1's the inner wall respectively, fixed establishment includes cardboard 4 and mounting panel 5, mounting panel 5 and cardboard 4 fixed connection, mounting panel 5 passes through fixing bolt 6 fixed connection on casing 1's inner wall, 3 joints of first distributing plate are between a plurality of cardboards 4 that are located the top, the joint of second distributing plate 10 is between a plurality of cardboards 4 that are located the below.

The upper end surfaces of the first distribution plate 3 and the second distribution plate 10 are both inclined surfaces, the upper end high sides of the first distribution plate 3 and the second distribution plate 10 are in staggered distribution, and the lower sides of the upper ends of the first distribution plate 3 and the second distribution plate 10 are respectively provided with a first water outlet 2 and a second water outlet 11.

The filtering mechanism for filtering liquid is all installed to the lower extreme of first delivery port 2 and second delivery port 11, and the filtering mechanism includes stock solution box 8 and last filter screen 7, and two 8 fixed connections of stock solution box are at the lower extreme of first distribution board 3 and second distribution board 10, and two stock solution boxes 8 communicate with first delivery port 2 and second delivery port 11 respectively, go up between the inner wall of filter screen 7 fixed connection in stock solution box 8, and opening 9 has been seted up to stock solution box 8 lower extreme.

The first distribution plate 3 and the second distribution plate 10 are tightly attached to the inner wall of the shell 1, and sealing gaskets are arranged at the attaching positions.

Casing 1 is located fixedly connected with flow distribution plate 13 on the inner wall of department in the middle of second distributor plate 10 and tube sheet 16, all is equipped with on flow distribution plate 13 and is used for the reposition of redundant personnel mechanism on with liquid evenly distributed to tube sheet 16, and reposition of redundant personnel mechanism is including reposition of redundant personnel section of

thick bamboo

15, and 15 equipartitions of reposition of redundant personnel section of thick bamboo are in the upper end of flow distribution plate 13, and reposition of redundant personnel section of thick bamboo 15 runs through flow distribution plate 13 and sets up, and fixed mounting has filter screen 12 down in the reposition of redundant personnel section of thick bamboo 15, and.

The utility model discloses in, on liquid flowed into first distribution plate 3 at first, 3 upper ends of first distribution plate were the inclined plane, greatly increased the lateral velocity that liquid flowed above that, liquid flow to first delivery port 2 get into the stock solution box 8, flow to second distribution plate 10 after last filter screen 7 filters for the first time on, transversely accelerate once more, later by last filter screen 7 secondary filter, flow to flow by opening 9 again to flow on flow distribution plate 13.

Along with the continuous flowing of the liquid, the liquid level on the flow distribution plate 13 rises, and the liquid flows through the liquid inlet holes 14, uniformly enters the flow distribution cylinder 15 from each liquid inlet hole 14, is filtered again by the lower filter screen 12, and then flows to the tube plate 16.

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. The flow distribution plate for the aerospace comprises a shell (1), and is characterized in that a tube plate (16) is fixedly mounted at the bottom end of the inner wall of the shell (1), a first distribution plate (3) and a second distribution plate (10) are fixedly mounted on the inner wall of the shell (1) through fixing mechanisms which are arranged at four corners inside the shell (1), the upper end faces of the first distribution plate (3) and the second distribution plate (10) are inclined planes, the upper end high sides of the first distribution plate (3) and the second distribution plate (10) are in staggered distribution, a first water outlet (2) and a second water outlet (11) are respectively formed in the lower sides of the upper ends of the first distribution plate (3) and the second distribution plate (10), a filtering mechanism for filtering liquid is mounted at the lower ends of the first water outlet (2) and the second water outlet (11), and a flow distribution plate (16) is fixedly connected to the inner wall of the shell (1) located between the second distribution plate (10) and the tube plate (16) 13) And the flow distribution plates (13) are provided with flow distribution mechanisms for uniformly distributing liquid to the tube plates (16).

2. A flow distribution plate for aerospace use according to claim 1, wherein the fixing means comprises clamping plates (4) and mounting plates (5), the mounting plates (5) are fixedly connected with the clamping plates (4), the mounting plates (5) are fixedly connected to the inner wall of the housing (1) by fixing bolts (6), the first distribution plate (3) is clamped between the clamping plates (4) located above, and the second distribution plate (10) is clamped between the clamping plates (4) located below.

3. The aerospace flow distribution plate according to claim 1, wherein the filtering mechanism comprises liquid storage boxes (8) and an upper filter screen (7), two of the liquid storage boxes (8) are fixedly connected to the lower ends of the first distribution plate (3) and the second distribution plate (10), the two liquid storage boxes (8) are respectively communicated with the first water outlet (2) and the second water outlet (11), the upper filter screen (7) is fixedly connected between the inner walls of the liquid storage boxes (8), and an opening (9) is formed in the lower end of each of the liquid storage boxes (8).

4. The aerospace flow distribution plate of claim 1, wherein the flow dividing mechanism comprises flow dividing cylinders (15), the flow dividing cylinders (15) are uniformly distributed at the upper end of the flow dividing plate (13), the flow dividing cylinders (15) are arranged through the flow dividing plate (13), and liquid inlet holes (14) are formed in the side wall of each flow dividing cylinder (15) close to the upper end.

5. A flow distribution plate for aerospace according to claim 4, wherein the lower filter (12) is fixedly mounted within the splitter cylinder (15).

6. A flow distribution plate for spaceflight according to claim 1, wherein the first distribution plate (3) and the second distribution plate (10) are tightly attached to the inner wall of the shell (1), and sealing gaskets are arranged at the attaching positions.