CN214948960U

CN214948960U - Horizontal drainage flash tank

Info

Publication number: CN214948960U
Application number: CN202120998738.7U
Authority: CN
Inventors: 张正荣; 张斌; 许明
Original assignee: Wuxi Power Station Auxiliaries Co ltd
Current assignee: Wuxi Power Station Auxiliaries Co ltd
Priority date: 2021-05-11
Filing date: 2021-05-11
Publication date: 2021-11-30
Anticipated expiration: 2031-05-11

Abstract

The utility model provides a horizontal drainage flash tank, which comprises a horizontal cylinder body, wherein the left end and the right end of the horizontal cylinder body are respectively connected with a left sealing cover and a right sealing cover through flanges; the upper part of the horizontal cylinder is provided with a steam exhaust connecting pipe, the lower part of the horizontal cylinder is provided with a water drainage connecting pipe, the side wall of the horizontal cylinder is horizontally and uniformly distributed with a plurality of drain pipes, and the steam exhaust connecting pipe, the water drainage connecting pipe and the drain pipes are all communicated with the inner cavity of the horizontal cylinder; the upper wall of the inner cavity of the horizontal cylinder is fixedly connected with a supporting plate, the bottom end of the supporting plate is fixedly connected with a spray pipe, a plurality of groups of spray heads uniformly distributed in the circumferential direction of the spray pipe are arranged on the part of the spray pipe positioned in the inner cavity of the horizontal cylinder along the axial direction of the spray pipe, and the other end of the spray pipe penetrates through the right sealing cover and is connected with a cooling water interface; the top end of the drainage connecting pipe extends into the inner cavity of the horizontal cylinder, and a water seal device is arranged between the top end of the drainage connecting pipe and the lower side wall of the inner cavity of the horizontal cylinder. The utility model discloses can reduce the cost and can effectually keep apart drain tank and hydrophobic flash tank again.

Description

Horizontal drainage flash tank

Technical Field

The utility model relates to a horizontal hydrophobic flash tank.

Background

The drain flash tank expands the drain in the pressure drain pipeline and reduces the pressure, separates out steam and drain, introduces the steam into the heat exchanger or the deaerator, makes full use of the heat energy, and introduces the drain into the drain tank to be periodically sent into the water supply system. The pressure is mainly reduced, if high-pressure steam directly enters the condenser, the overpressure of the condenser is easily caused, the pressure can be reduced through the condenser, the overpressure is avoided, and meanwhile, a temperature reducing device is arranged inside the condenser, so that the temperature can be reduced.

The hydrophobic export lug connection drain trap of hydrophobic flash tank, and hydrophobic flash tank generally is pressure vessel, and the drain trap is the cuboid structure, and is not compressed, if will protect the drain trap, just need with the isolation valve, the increase cost promptly, and control is still troublesome moreover, if the isolation valve damages, can be instantaneously for the drain trap pressurization, makes the box warp.

SUMMERY OF THE UTILITY MODEL

To the above problem, the utility model provides a horizontal hydrophobic flash tank to solve the problem that proposes in the above-mentioned background art.

In order to achieve the purpose, the utility model provides a horizontal drainage flash tank, which comprises a horizontal cylinder body, wherein the left end and the right end of the horizontal cylinder body are respectively connected with a left sealing cover and a right sealing cover through flanges; the upper part of the horizontal cylinder is provided with a steam exhaust connecting pipe, the lower part of the horizontal cylinder is provided with a water drainage connecting pipe, the side wall of the horizontal cylinder is horizontally and uniformly distributed with a plurality of drain pipes, and the steam exhaust connecting pipe, the water drainage connecting pipe and the drain pipes are all communicated with the inner cavity of the horizontal cylinder; the upper wall of the inner cavity of the horizontal cylinder is fixedly connected with a supporting plate, the bottom end of the supporting plate is fixedly connected with a spray pipe, a plurality of groups of spray heads uniformly distributed in the circumferential direction of the spray pipe are arranged on the part of the spray pipe positioned in the inner cavity of the horizontal cylinder along the axial direction of the spray pipe, and the other end of the spray pipe penetrates through the right sealing cover and is connected with a cooling water interface; the top end of the drainage connecting pipe extends into the inner cavity of the horizontal cylinder, and a water seal device is arranged between the top end of the drainage connecting pipe and the lower side wall of the inner cavity of the horizontal cylinder.

As the utility model discloses an it preferably sets up, water seal arrangement is including being fixed in a plurality of gusset of lateral wall under the horizontal barrel inner chamber, the gusset is taken over the even ring in periphery and is established at the drainage, still include the bottom with the water seal of gusset rigid coupling is taken over, the cover is taken over in the water seal is located the top is taken over in the drainage just the top welding has the closing cover board to the water seal, the drainage take over with the clearance has between the closing cover board.

As the utility model discloses an it sets up to prefer, drainage takeover one side still is provided with the drain and takes over, the intercommunication is taken over in the drain the horizontal barrel inner chamber.

As the utility model discloses an optimal setting, horizontal barrel lower extreme both sides fixed mounting has the saddle.

As the utility model discloses a preferred setting, be provided with the inspection hole on the left side closing cap.

As the utility model discloses an it sets up to prefer, horizontal barrel upper portion is located the steam extraction and takes over both sides and is provided with two chock respectively, the chock intercommunication horizontal barrel inner chamber, two fill respectively in the chock and be equipped with manometer and thermometer.

As the preferred setting of the utility model, the diameter of the spray head is 0.5-1.0 mm.

The utility model has the advantages that:

the utility model has the advantages of simple structure and reasonable design, through taking over the inside that stretches into hydrophobic flash tank with the drainage to set up water seal arrangement between drainage is taken over and is hydrophobic flash tank inner chamber, can guarantee that the drainage is smooth and easy, can keep apart hydrophobic flash tank and drain trap again, the protection drain trap is not pressed, can reduce the cost and can effectually keep apart drain trap and hydrophobic flash tank, the structure of this kind of physical formula is also comparatively safe effective, can not appear sudden damage and lead to the drain trap to be pressed in the twinkling of an eye and lead to warping.

Drawings

FIG. 1 is a schematic structural view of a horizontal drain flash tank according to the present invention;

FIG. 2 is a schematic view of a water seal device.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in detail with reference to specific embodiments.

Examples

Referring to fig. 1, as an embodiment of the present invention, the present invention provides a horizontal drainage flash tank, which includes a horizontal cylinder 1, wherein a left sealing cover 2 and a right sealing cover 3 are respectively connected to the left and right ends of the horizontal cylinder 1 through flanges; the upper part of the horizontal cylinder 1 is provided with a steam exhaust connecting pipe 4, the lower part of the horizontal cylinder is provided with a water drainage connecting pipe 5, the side wall of the horizontal cylinder 1 is horizontally and uniformly distributed with a plurality of drain pipes 6, and the steam exhaust connecting pipe 4, the water drainage connecting pipe 5 and the drain pipes 6 are all communicated with an inner cavity 7 of the horizontal cylinder; a support plate 8 is fixedly connected to the upper wall of the inner cavity 7 of the horizontal cylinder, a spray pipe 9 is fixedly connected to the bottom end of the support plate 8, a plurality of groups of spray heads uniformly distributed in the circumferential direction of the spray pipe 9 are arranged on the part, located in the inner cavity 7 of the horizontal cylinder, of the spray pipe 9 along the axial direction of the spray pipe, and the other end of the spray pipe 9 penetrates through the right sealing cover 3 and is connected with a cooling water interface 10; the top end of the drainage connecting pipe 5 extends into the horizontal cylinder inner cavity 7, and a water seal device is arranged between the top end of the drainage connecting pipe 5 and the lower side wall of the horizontal cylinder inner cavity 7.

As the utility model discloses preferred setting, furtherly, water seal arrangement is including being fixed in a plurality of gusset 11 of lateral wall under the horizontal barrel inner chamber 7, gusset 11 is taken over 5 periphery evenly to encircle at the drainage and is established, still include the bottom with 12 are taken over in the water seal of gusset 11 rigid coupling, 12 covers are taken over in the water seal are located 5 tops are taken over in the drainage just 12 tops welding has sealed apron 13 in the water seal is taken over, 5 are taken over in the drainage with the clearance has between the sealed apron 13.

Through adopting above-mentioned technical scheme, through stretching into horizontal barrel inner chamber 7 take the altitude with drainage takeover 5, utilize the hydrostatic pressure of take the altitude to resist the atmospheric pressure change in the horizontal barrel, prevent that the gas in the horizontal barrel inner chamber from getting into the hydrophobic chamber, work to the certain degree, sufficient water has been built up in the horizontal barrel, the water height is greater than drainage takeover 5 height and can realize normal drainage, it can guarantee that the drainage is smooth and easy, can keep apart hydrophobic flash tank and drain trap again, the protection drain tank does not receive the pressure, can reduce the cost and can effectually keep apart drain tank and hydrophobic flash tank again.

As the utility model discloses the preferred setting of embodiment, furtherly, 5 one sides are taken over in the drainage still are provided with the exhaust and take over 14, the exhaust is taken over 14 intercommunication horizontal barrel inner chamber 7.

Because the drainage connecting pipe 5 has a certain height, after the operation of the drainage flash tank is finished, a certain amount of water is inevitably accumulated in the drainage flash tank, the height of the water in the surplus is the same as that of the drainage connecting pipe 5, at the moment, a valve arranged on the drainage connecting pipe 14 is opened, the drainage connecting pipe 14 has no height difference with the lower side wall of the inner cavity 7 of the horizontal cylinder body, and the surplus water can be drained.

As the preferred setting of the embodiment of the utility model, further, horizontal barrel 1 lower extreme both sides fixed mounting has saddle 15.

As a preferred arrangement of the embodiment of the present invention, further, an inspection hole 16 is provided on the left cover 2. So set up, make things convenient for the staff to overhaul the device.

As the utility model discloses preferred setting, furtherly, 1 upper portion of horizontal barrel is located 4 both sides of exhaust takeover and is provided with two chock 17 respectively, chock 17 intercommunication horizontal barrel inner chamber 7, two fill up respectively in the chock 17 and be equipped with manometer and thermometer. The arrangement of the pressure meter and the thermometer facilitates the real-time monitoring of the temperature and the pressure of the inner cavity of the horizontal cylinder by workers, and the production safety is guaranteed.

As a preferred arrangement of the embodiment of the present invention, further, the diameter of the spray head is 0.5-1.0 mm.

The utility model discloses a working process: firstly, a drain pipe 6 of the drain flash tank is connected with an external steam channel, a drain connecting pipe 5 is communicated with an external drain tank, then high-pressure steam is introduced into the drain pipe 6, the high-pressure steam enters an inner cavity of a cylinder body, meanwhile, cooling water is introduced through a spray pipe 9, the cooling water is sprayed out through a spray head under pressure, heat exchange is carried out with the steam, the temperature and the pressure are reduced, finally, the reduced-pressure steam is discharged from the drain connecting pipe, and a water body after temperature reduction is discharged through the drain connecting pipe 5; after the drainage is finished, the residual water body flows into and out of the drainage connecting pipe 14.

To sum up, the utility model has the advantages of simple structure and reasonable design, through taking over the inside that stretches into the hydrophobic flash tank with the drainage to set up water seal arrangement between drainage is taken over and is hydrophobic flash tank inner chamber, can guarantee that the drainage is smooth and easy, can keep apart hydrophobic flash tank and drain trap again, and the protection drain trap is not stressed, can reduce the cost and can effectually keep apart drain trap and hydrophobic flash tank again, and the structure of this kind of physical formula is also comparatively safe effective, can not appear sudden damage and lead to the drain trap to be stressed in the twinkling of an eye and lead to warping.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Furthermore, those skilled in the art will appreciate that while some embodiments described herein include some features included in other embodiments, rather than other features, combinations of features of different embodiments are meant to be within the scope of the invention and form different embodiments. For example, in the claims above, any of the claimed embodiments may be used in any combination. The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information constitutes prior art already known to a person skilled in the art.

Claims

1. A horizontal drainage flash tank comprises a horizontal cylinder body, and is characterized in that the left end and the right end of the horizontal cylinder body are respectively connected with a left sealing cover and a right sealing cover through flanges; the upper part of the horizontal cylinder is provided with a steam exhaust connecting pipe, the lower part of the horizontal cylinder is provided with a water drainage connecting pipe, the side wall of the horizontal cylinder is horizontally and uniformly distributed with a plurality of drain pipes, and the steam exhaust connecting pipe, the water drainage connecting pipe and the drain pipes are all communicated with the inner cavity of the horizontal cylinder; the upper wall of the inner cavity of the horizontal cylinder is fixedly connected with a supporting plate, the bottom end of the supporting plate is fixedly connected with a spray pipe, a plurality of groups of spray heads uniformly distributed in the circumferential direction of the spray pipe are arranged on the part of the spray pipe positioned in the inner cavity of the horizontal cylinder along the axial direction of the spray pipe, and the other end of the spray pipe penetrates through the right sealing cover and is connected with a cooling water interface; the top end of the drainage connecting pipe extends into the inner cavity of the horizontal cylinder, and a water seal device is arranged between the top end of the drainage connecting pipe and the lower side wall of the inner cavity of the horizontal cylinder.

2. The horizontal hydrophobic flash tank according to claim 1, wherein the water seal device comprises a plurality of rib plates fixed on the lower side wall of the inner cavity of the horizontal cylinder, the rib plates are evenly arranged around the periphery of the drainage connecting pipe in a surrounding manner, the horizontal hydrophobic flash tank further comprises a water seal connecting pipe of which the bottom is fixedly connected with the rib plates, the water seal connecting pipe is sleeved on the top of the drainage connecting pipe, a sealing cover plate is welded on the top of the water seal connecting pipe, and a gap is formed between the drainage connecting pipe and the sealing cover plate.

3. The horizontal type hydrophobic flash tank of claim 1, wherein a drain connecting pipe is further arranged on one side of the drain connecting pipe, and the drain connecting pipe is communicated with the inner cavity of the horizontal cylinder body.

4. The horizontal type hydrophobic flash tank of claim 1, wherein saddles are fixedly arranged on two sides of the lower end of the horizontal type cylinder body.

5. The horizontal hydrophobic tank of claim 1, wherein the left cover has an access hole.

6. The horizontal hydrophobic flash tank of claim 1, wherein two plug seats are respectively arranged on the upper part of the horizontal cylinder body and positioned on two sides of the steam exhaust connecting pipe, the plug seats are communicated with the inner cavity of the horizontal cylinder body, and a pressure gauge and a thermometer are respectively arranged in the two plug seats.

7. The horizontal hydrophobic flash tank of claim 1 wherein the spray head diameter is 0.5 mm to 1.0 mm.