CN214891114U

CN214891114U - Vertical high-pressure feed water heater convenient to overhaul

Info

Publication number: CN214891114U
Application number: CN202121531842.1U
Authority: CN
Inventors: 欧雍若; 焦芬香; 欧玉海
Original assignee: Qingdao Changlong Heavy Equipment Co Ltd
Current assignee: Qingdao Changlong Heavy Equipment Co Ltd
Priority date: 2021-07-07
Filing date: 2021-07-07
Publication date: 2021-11-26
Anticipated expiration: 2031-07-07

Abstract

The utility model discloses a vertical high-pressure feed water heater convenient to overhaul, which comprises a housin, the casing top is provided with the hydroecium, be provided with the tube sheet between hydroecium and the casing, the hydroecium right side is provided with the feedwater import, the hydroecium left side is provided with the feedwater export, the inside pipeline that is provided with of casing, the first backup pad of casing bottom shell fixedly connected with, the first montant of the equal fixedly connected with of direction about first backup pad top front side, the equal fixedly connected with second backup pad of first backup pad front end left and right sides, the equal fixedly connected with second montant in second backup pad top. The utility model discloses in, support whole heater through the supporting leg, go into the cat ladder through first montant and horizontal pole, go into the protection system through second montant, connecting rod and horizontal pole, be close to the heater top region when making things convenient for the maintenance personal to maintain each coupling part, be worth wideling popularize.

Description

Vertical high-pressure feed water heater convenient to overhaul

Technical Field

The utility model relates to a heater technical field especially relates to a vertical high pressure feed water heater convenient to overhaul.

Background

The high-pressure heater is a device for heating feed water by utilizing partial air extraction of a steam turbine, is used as a heat conversion device and is mainly applied to a heat regenerative system of a large thermal power generating unit, and the quality of the heat transfer performance of the high-pressure heater directly influences the economy and the safety of the unit, so that the heat transfer efficiency of the high-pressure heater is improved, the irreversible loss in the heat transfer process is reduced, and the high-pressure heater becomes one of important measures for solving the problem of efficient utilization of energy.

Chinese patent document CN201093476Y discloses a vertical high pressure heater, which comprises a shell-side cylinder, an upper end enclosure, a steam inlet pipe connected with the shell-side cylinder, a water inlet pipe, a water inlet flow dividing pipe, a return pipe, a steam heating spiral pipe, a dewatering preheating spiral pipe, a preheating spiral pipe cladding, a water inlet throttling orifice plate, and an expansion compensation device, wherein the dewatering preheating spiral pipe is respectively communicated with the lower parts of the water inlet pipe and the water outlet pipe; a first water-blocking partition plate and a second water-blocking partition plate are respectively arranged in the water inlet pipe and the water outlet pipe which are positioned between the steam heating spiral pipe and the dewatering preheating spiral pipe; the other end of the water inlet flow dividing pipe is connected and communicated with a water outlet pipe positioned below the second water-blocking partition plate; one end of the return pipe is communicated with the water inlet pipe positioned below the first water-blocking partition plate, and the other end of the return pipe is communicated with the water inlet pipe positioned below the throttle orifice plate. The welding device has the characteristics of reasonable and compact structure, good mechanical property, convenience in welding, easiness in assembly and disassembly and the like. However, when the heater is maintained, maintenance personnel needs to use the lifting equipment for maintenance, and maintenance efficiency is affected.

Disclosure of Invention

The utility model aims at solving the defects existing in the prior art and providing a vertical high-pressure feed water heater convenient to overhaul.

In order to achieve the above purpose, the utility model adopts the following technical scheme: 1. the utility model provides a vertical high-pressure feed water heater convenient to overhaul, includes the casing, the casing top is provided with the hydroecium, be provided with the tube sheet between hydroecium and the casing, the hydroecium right side is provided with the feedwater import, the hydroecium left side is provided with the feedwater export, the inside pipeline that is provided with of casing, the first backup pad of casing bottom shell fixedly connected with, the first montant of the equal fixedly connected with of direction about the first backup pad top front side, the equal fixedly connected with second backup pad in first backup pad front end left and right sides, the equal fixedly connected with second montant in second backup pad top, two all connect through the horizontal pole between the first montant and between two second montants, all connect through the connecting rod between first montant and the second montant.

As a further description of the above technical solution:

and the tube plate, the shell and the water chamber are fixedly connected.

As a further description of the above technical solution:

and a blocking plate is arranged in the water chamber.

As a further description of the above technical solution:

and flanges are arranged on the water supply inlet and the water supply outlet.

As a further description of the above technical solution:

all fixedly connected with supporting legs around the first backup pad.

As a further description of the above technical solution:

the top of the left end of the shell is provided with a steam inlet, and a flange is arranged on the steam inlet.

As a further description of the above technical solution:

the left side of the bottom of the shell is provided with a drainage outlet, and a flange is arranged on the drainage outlet.

The utility model discloses following beneficial effect has:

the utility model discloses in, support whole heater through the supporting leg, go into the cat ladder through first montant and horizontal pole, go into the protection system through second montant, connecting rod and horizontal pole, be close to the heater top region when making things convenient for the maintenance personal to maintain each coupling part, be worth wideling popularize.

Drawings

Fig. 1 is a schematic structural view of a vertical high-pressure feed water heater convenient for maintenance according to the present invention;

fig. 2 is the utility model provides a vertical high-pressure feed water heater internal structure schematic diagram convenient to overhaul.

Illustration of the drawings:

1. a housing; 2. a water chamber; 3. a tube sheet; 4. a barrier plate; 5. a feed water inlet; 6. a feed water outlet; 7. a flange; 8. a pipeline; 9. a steam inlet; 10. a first support plate; 11. supporting legs; 12. a hydrophobic outlet; 13. a second support plate; 14. a first vertical bar; 15. a second vertical bar; 16. a cross bar; 17. a connecting rod.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-2, the present invention provides an embodiment: a vertical high-pressure water supply heater convenient to overhaul comprises a shell 1, a water chamber 2 is arranged above the shell 1, a tube plate 3 is arranged between the water chamber 2 and the shell 1, a water supply inlet 5 is arranged on the right side of the water chamber 2, a water supply outlet 6 is arranged on the left side of the water chamber 2, a pipeline 8 is arranged in the shell 1, a first support plate 10 is fixedly connected with a shell at the bottom of the shell 1, first vertical rods 14 are fixedly connected with the left side and the right side of the front end of the first support plate 10, second support plates 13 are fixedly connected with the left side and the right side of the front end of the first support plate 10, second vertical rods 15 are fixedly connected with the top end of the second support plate 13, the two first vertical rods 14 and the two second vertical rods 15 are connected through cross rods 16, the first vertical rods 14 and the second vertical rods 15 are connected through connecting rods 17, when the heater needs to be used, water to be heated is injected into the water chamber 2 through the water supply inlet 5, water in hydroecium 2 flows in pipeline 8 after passing through tube sheet 3, simultaneously through steam inlet 9 with steam injection casing 1 inside, water absorbs the steam heat when 8 the inside flows of pipeline and makes water obtain the heating, water after the heating flows out through water supply outlet 6, steam cooling becomes the condensate water and flows out from hydrophobic export 12, can accomplish the heating of water, when the heater needs maintenance, the maintenance personal only need be through first montant 14, second montant 15, the climbing ladder that horizontal pole 16 and connecting rod 17 constitute can be close the heater top, can accomplish the maintenance of heater.

Be fixed connection between tube sheet 3 and casing 1 and hydroecium 2, be provided with baffler 4 in the hydroecium 2, all be provided with flange 7 on feedwater import 5 and the feedwater export 6, equal fixedly connected with supporting leg 11 all around

first backup pad

10, 1 left end top of casing is provided with steam inlet 9, is provided with flange 7 on

steam inlet

9, and 1 bottom left side of casing is provided with hydrophobic export 12, is provided with flange 7 on hydrophobic export 12.

The working principle is as follows: when the heater needs to be used, water to be heated is injected into the water chamber 2 through the water supply inlet 5, the water in the water chamber 2 flows into the pipeline 8 after passing through the tube plate 3, meanwhile, steam is injected into the shell 1 through the steam inlet 9, the water absorbs steam heat to heat the water when flowing in the pipeline 8, the heated water flows out through the water supply outlet 6, the steam is cooled to be condensed water and flows out from the drainage outlet 12, the heating of the water can be completed, when the heater needs to be maintained, a maintenance worker only needs to approach the top end of the heater through the first vertical rod 14, the second vertical rod 15, the climbing ladder composed of the horizontal rod 16 and the connecting rod 17, and the maintenance of the heater can be completed.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a vertical high pressure feedwater heater convenient to overhaul, includes casing (1), its characterized in that: a water chamber (2) is arranged above the shell (1), a tube plate (3) is arranged between the water chamber (2) and the shell (1), a water supply inlet (5) is arranged on the right side of the water chamber (2), a water supply outlet (6) is arranged on the left side of the water chamber (2), a pipeline (8) is arranged in the shell (1), a first supporting plate (10) is fixedly connected with the shell at the bottom of the shell (1), the left and right directions of the front side of the top end of the first supporting plate (10) are fixedly connected with a first vertical rod (14), the left side and the right side of the front end of the first supporting plate (10) are fixedly connected with a second supporting plate (13), the top ends of the second supporting plates (13) are fixedly connected with second vertical rods (15), the two first vertical rods (14) and the two second vertical rods (15) are connected through cross rods (16), the first vertical rod (14) and the second vertical rod (15) are connected through a connecting rod (17).

2. The vertical high pressure feedwater heater of claim 1 wherein: and the tube plate (3), the shell (1) and the water chamber (2) are fixedly connected.

3. The vertical high pressure feedwater heater of claim 1 wherein: and a blocking plate (4) is arranged in the water chamber (2).

4. The vertical high pressure feedwater heater of claim 1 wherein: and flanges (7) are arranged on the water supply inlet (5) and the water supply outlet (6).

5. The vertical high pressure feedwater heater of claim 1 wherein: all fixedly connected with supporting leg (11) around first backup pad (10).

6. The vertical high pressure feedwater heater of claim 1 wherein: the steam inlet (9) is arranged at the top of the left end of the shell (1), and a flange (7) is arranged on the steam inlet (9).

7. The vertical high pressure feedwater heater of claim 1 wherein: the water draining device is characterized in that a water draining outlet (12) is formed in the left side of the bottom of the shell (1), and a flange (7) is arranged on the water draining outlet (12).