CN214039666U

CN214039666U - Steam turbine heat recovery unit

Info

Publication number: CN214039666U
Application number: CN202120015726.8U
Authority: CN
Inventors: 王健
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-05
Filing date: 2021-01-05
Publication date: 2021-08-24
Anticipated expiration: 2031-01-05

Abstract

The utility model belongs to the technical field of heat recovery, especially, steam turbine heat recovery unit, including the recoverer body, the surface of recoverer body is provided with clean steam turbine, the one end of clean steam turbine is provided with the admission pipe, the other end of clean steam turbine is provided with and send the steam pipe, the medial surface of clean steam turbine is provided with the baffle, the up end of clean steam turbine is provided with the jack, the medial surface of jack is provided with the fly leaf, one side of fly leaf is provided with the magnetization screen cloth, the medial surface that sends the steam pipe is provided with the honeycomb formula and divides the vapour board, one side that the honeycomb formula divides the vapour board is provided with the hot coil pipe, the one end of sending the steam pipe is provided with the condenser, the one end of condenser is provided with the exhaust pipe. The utility model discloses a set up the baffle, form S type route in the steam purifier, the clean time of extension steam avoids appearing the not thorough condition of steam edulcoration, through setting up hot coil pipe, increases steam and hot exchange pipe' S area of contact improves steam condensation rate, reduces extra calorific loss.

Description

Steam turbine heat recovery unit

Technical Field

The utility model relates to a heat recovery technical field specifically is a steam turbine heat recovery unit.

Background

The steam turbine is a rotary steam power device, high-temperature and high-pressure steam passes through a fixed nozzle to become accelerating gas, and then the accelerating gas is sprayed on blades, so that a rotor provided with a blade row rotates, and simultaneously, the rotating machine applies work outwards to convert the heat energy of the steam into mechanical work, and is the most widely applied prime mover in modern thermal power plants.

There are the following problems:

1. because the steam has certain speed after the steam turbine discharges, will make steam pass through the steam purification device fast, lead to very easily that the steam edulcoration is incomplete like this.

2. Because the volume of the condensing device is limited, the contact area between the water vapor and the heat exchange device is limited, and the water vapor condensation rate is low, so that the heat loss is large.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a steam turbine heat recovery unit has solved the problem that the steam edulcoration thoroughly leads to heat loss big slowly with rate of condensation.

In order to achieve the above object, the utility model provides a following technical scheme: a steam turbine heat energy recovery device comprises a recoverer body, wherein a steam cleaning machine is arranged on the outer surface of the recoverer body, a steam inlet pipe is arranged at one end of the steam cleaning machine, a steam feeding pipe is arranged at the other end of the steam cleaning machine, a grid plate is arranged on the inner side surface of the steam inlet pipe, a baffle is arranged on the inner side surface of the steam cleaning machine, a jack is arranged on the upper end surface of the steam cleaning machine, a movable plate is arranged on the inner side surface of the jack, a magnetized screen is arranged on one side of the movable plate, a sealing plug is arranged on the other side of the movable plate, a handle is arranged at one end of the movable plate, a honeycomb type steam distributing plate is arranged on the inner side surface of the steam feeding pipe, a heat coil pipe is arranged on one side of the honeycomb type steam distributing plate, a condenser is arranged at one end of the steam feeding pipe, a steam exhaust pipe is arranged at one end of the condenser, and a heat exchange pipe is arranged on the inner side surface of the condenser, a water inlet pipe is arranged at one end of the heat exchange pipe, and a steam outlet pipe is arranged at one end of the heat exchange pipe.

As an optimal technical scheme of the utility model, the admission pipe welds in the one end of clean steam turbine, send the steam pipe to weld in the other end of clean steam turbine.

As a preferred technical scheme of the utility model, the grid plate welds in the medial surface of admission pipe, the baffle welds in the medial surface of net vapour.

As a preferred technical scheme of the utility model, the jack is embedded in the up end of steam purifier, fly leaf swing joint is in the medial surface of jack.

As an optimized technical scheme of the utility model, magnetization screen cloth fixed connection is in one side of fly leaf, sealing plug fixed connection is in the opposite side of fly leaf.

As an optimal technical scheme of the utility model, the honeycomb formula divides vapour board fixed connection in the medial surface that send the vapour pipe, hot coil pipe fixed connection divides one side of vapour board in the honeycomb formula.

As a preferred technical scheme of the utility model, the steam extraction pipe welds in the one end of condenser, hot exchange pipe fixed connection is in the medial surface of condenser.

As a preferred technical scheme of the utility model, the inlet tube welds in hot exchange pipe's one end, it welds in hot exchange pipe's one end to go out the vapour pipe.

Compared with the prior art, the utility model provides a steam turbine heat recovery unit possesses following beneficial effect:

1. this steam turbine heat recovery unit through setting up the baffle, forms S type route in the steam purification machine, prolongs the purifying time of steam, avoids appearing the incomplete condition of steam edulcoration.

2. This steam turbine heat recovery unit through setting up the hot coil pipe, increases steam and hot exchange pipe's area of contact, improves the rate of condensation of steam, reduces extra heat loss.

Drawings

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

FIG. 2 is a sectional view of the steam inlet pipe structure of the present invention;

fig. 3 is a sectional view of the steam delivery pipe structure of the present invention.

In the figure: 1. a recoverer body; 2. a steam purifier; 3. a steam inlet pipe; 4. a steam delivery pipe; 5. a grid plate; 6. a baffle plate; 7. a jack; 8. a movable plate; 9. magnetizing the screen; 10. a sealing plug; 11. a handle; 12. a honeycomb type steam distribution plate; 13. a hot coil; 14. a condenser; 15. a steam exhaust pipe; 16. a heat exchange tube; 17. a water inlet pipe; 18. and a steam outlet pipe.

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.

Examples

Referring to fig. 1-3, the present invention provides the following technical solutions: a heat energy recovery device of a steam turbine comprises a recoverer body 1, wherein a steam cleaning machine 2 is arranged on the outer surface of the recoverer body 1, a steam inlet pipe 3 is arranged at one end of the steam cleaning machine 2, a steam feeding pipe 4 is arranged at the other end of the steam cleaning machine 2, a grid plate 5 is arranged on the inner side surface of the steam inlet pipe 3, a baffle 6 is arranged on the inner side surface of the steam cleaning machine 2, a jack 7 is arranged on the upper end surface of the steam cleaning machine 2, a movable plate 8 is arranged on the inner side surface of the jack 7, a magnetized screen 9 is arranged on one side of the movable plate 8, a sealing plug 10 is arranged on the other side of the movable plate 8, a handle 11 is arranged at one end of the movable plate 8, a honeycomb type steam distributing plate 12 is arranged on the inner side surface of the steam feeding pipe 4, a heating coil pipe 13 is arranged on one side of the honeycomb type steam distributing plate 12, a condenser 14 is arranged at one end of the condenser 14, and a heat exchange pipe 16 is arranged on the inner side surface of the condenser 14, one end of the heat exchange tube 16 is provided with a water inlet tube 17, and one end of the heat exchange tube 16 is provided with a steam outlet tube 18.

In this embodiment, recoverer body 1 recycles the heat in the steam turbine exhaust steam, and steam purifier 2 and condenser 14 are made by iron carbon alloy, and self has higher hardness and all is equipped with anticorrosive lacquer and heat preservation inside and outside, and handle 11 makes things convenient for the staff to mention fly leaf 8, clears up magnetized screen cloth 9.

Specifically, the steam inlet pipe 3 is welded at one end of the steam purifier 2, and the steam delivery pipe 4 is welded at the other end of the steam purifier 2.

In this embodiment, the steam inlet pipe 3 delivers the steam exhausted from the steam turbine to the steam purifier 2, and the steam delivery pipe 4 delivers the purified steam to the condenser 14.

Specifically, the grid plate 5 is welded to the inner side surface of the steam inlet pipe 3, and the baffle plate 6 is welded to the inner side surface of the steam cleaner 2.

In this embodiment, the grid plate 5 slows down the flow rate of the water vapor, and the baffle 6 forms an S-shaped passage, so that the purification time of the water vapor is prolonged.

Specifically, the jack 7 is embedded in the upper end face of the steam purifier 2, and the movable plate 8 is movably connected to the inner side face of the jack 7.

In this embodiment, the insertion hole 7 fixes the movable plate 8, and the movable plate 8 supports the magnetized screen 9.

Specifically, the magnetizing screen 9 is fixedly connected to one side of the movable plate 8, and the sealing plug 10 is fixedly connected to the other side of the movable plate 8.

In this embodiment, the magnetized screen 9 absorbs impurities in the water vapor, and the sealing plug 10 ensures good air tightness in the steam purifier 2.

Specifically, the honeycomb steam distributing plate 12 is fixedly connected to the inner side surface of the steam feeding pipe 4, and the hot coil pipe 13 is fixedly connected to one side of the honeycomb steam distributing plate 12.

In this embodiment, the honeycomb steam distribution plate 12 integrally splits the steam into a plurality of streams of steam, and the hot coil pipe 13 transports the plurality of streams of steam.

Specifically, a steam exhaust pipe 15 is welded to one end of the condenser 14, and a heat exchange pipe 16 is fixedly attached to an inner side surface of the condenser 14.

In this embodiment, the steam discharging pipe 15 discharges water drops liquefied by steam and water vapor not completely condensed, and the heat exchanging pipe 16 is a place where heat exchange is performed between newly injected cold water and high-temperature water vapor.

Specifically, the inlet pipe 17 is welded to one end of the heat exchange tube 16, and the outlet pipe 18 is welded to one end of the heat exchange tube 16.

In this embodiment, the inlet pipe 17 injects cold water into the heat exchange pipe 16, and the outlet pipe 18 feeds steam formed by newly injected cold water into the boiler.

The utility model discloses a theory of operation and use flow: before recovery, firstly cleaning the magnetized screen 9 of the movable plate 8, then inserting the movable plate 8 into the jack 7, sealing the movable plate by using a sealing plug 10, then injecting cold water into the heat exchange pipe 16 by using a water inlet pipe 17, after injecting for a period of time, connecting the steam inlet pipe 3 to the steam outlet end of the steam turbine, enabling steam exhausted by the steam turbine to enter the steam purifier 2 after the speed of the steam discharged by the grid plate 5 is reduced, prolonging the purification time by virtue of an S-shaped passage formed by the baffle plates 6, avoiding the situation that the impurity of the steam is not completely removed, splitting the purified steam into a plurality of strands of steam into the heat coil pipe 13 when the purified steam flows through the honeycomb type steam distribution plate 12, increasing the contact area of the steam and the heat exchange pipe 16, improving the condensation rate of the steam, reducing the extra heat loss, and after the heat exchange between the high-temperature steam in the heat coil pipe 13 wound on the surface of the heat exchange pipe 16 and the newly injected cold water is completed, most of the water vapor is liquefied into water drops and a few of water vapor which is not completely condensed is discharged from the steam discharge pipe 15, the newly injected cold water in the heat exchange pipe 16 is sent into the boiler through the steam outlet pipe 18 after being heated to form steam, so that the heat is recycled, and after the boiler runs for a period of time, the steam turbine needs to be separated, the movable plate 8 is detached, and the magnetized screen 9 is cleaned.

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 may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a steam turbine heat recovery unit, includes recoverer body (1), its characterized in that: the outer surface of the recoverer body (1) is provided with a steam cleaning machine (2), one end of the steam cleaning machine (2) is provided with a steam inlet pipe (3), the other end of the steam cleaning machine (2) is provided with a steam feeding pipe (4), the inner side surface of the steam inlet pipe (3) is provided with a grid plate (5), the inner side surface of the steam cleaning machine (2) is provided with a baffle (6), the upper end surface of the steam cleaning machine (2) is provided with a jack (7), the inner side surface of the jack (7) is provided with a movable plate (8), one side of the movable plate (8) is provided with a magnetizing screen (9), the other side of the movable plate (8) is provided with a sealing plug (10), one end of the movable plate (8) is provided with a handle (11), the inner side surface of the steam feeding pipe (4) is provided with a honeycomb-type steam distributing plate (12), one side of the honeycomb-type steam distributing plate (12) is provided with a heat coil pipe (13), the condenser (14) is arranged at one end of the steam delivery pipe (4), the steam exhaust pipe (15) is arranged at one end of the condenser (14), the heat exchange pipe (16) is arranged on the inner side face of the condenser (14), the water inlet pipe (17) is arranged at one end of the heat exchange pipe (16), and the steam outlet pipe (18) is arranged at one end of the heat exchange pipe (16).

2. The turbine heat recovery system of claim 1, wherein: the steam inlet pipe (3) is welded at one end of the steam purifying machine (2), and the steam delivery pipe (4) is welded at the other end of the steam purifying machine (2).

3. The turbine heat recovery system of claim 1, wherein: the grid plate (5) is welded on the inner side surface of the steam inlet pipe (3), and the baffle plate (6) is welded on the inner side surface of the steam purifying machine (2).

4. The turbine heat recovery system of claim 1, wherein: jack (7) are embedded in the up end of steam purifier (2), fly leaf (8) swing joint is in the medial surface of jack (7).

5. The turbine heat recovery system of claim 1, wherein: the magnetizing screen (9) is fixedly connected to one side of the movable plate (8), and the sealing plug (10) is fixedly connected to the other side of the movable plate (8).

6. The turbine heat recovery system of claim 1, wherein: the honeycomb-type steam distribution plate (12) is fixedly connected to the inner side face of the steam feeding pipe (4), and the hot coil pipe (13) is fixedly connected to one side of the honeycomb-type steam distribution plate (12).

7. The turbine heat recovery system of claim 1, wherein: the exhaust pipe (15) is welded at one end of the condenser (14), and the heat exchange pipe (16) is fixedly connected to the inner side surface of the condenser (14).

8. The turbine heat recovery system of claim 1, wherein: the water inlet pipe (17) is welded at one end of the heat exchange pipe (16), and the steam outlet pipe (18) is welded at one end of the heat exchange pipe (16).