CN211012532U

CN211012532U - Steam condensing device for steam turbine

Info

Publication number: CN211012532U
Application number: CN201921937480.9U
Authority: CN
Inventors: 郑卫民; 赵长发; 冯喻俊; 张旭; 韩充; 马洪刚
Original assignee: Zaoyang Dayuan Energy Co ltd
Current assignee: Zaoyang Dayuan Energy Co ltd
Priority date: 2019-11-12
Filing date: 2019-11-12
Publication date: 2020-07-14
Anticipated expiration: 2029-11-12

Abstract

The utility model discloses a steam condensing device for a steam turbine, which comprises a bottom plate, wherein a support is arranged at the top end of the bottom plate, the support is arranged at two end positions on the bottom plate, a tube plate box is arranged at the top end of the support, the tube plate box is arranged at the positive top end position on the support, a cooling water inlet pipe is arranged at one end of the tube plate box, a protective shell is arranged at the other end of the tube plate box, a water suction pump is arranged in the protective shell, a connecting pipe is arranged at the bottom end of the protective shell, the connecting pipe is arranged at the top end position of the bottom plate, a steam condensing box is arranged at the top end of the tube plate box, the steam condensing box and the tube plate box are arranged into an integral structure, and the steam condensing plate and the air suction pipe at the top end of the steam condensing box are used for advanced treatment of steam, thereby more excellent water cooling and steam condensing effects, to a greater extent, make the conversion of efficiency.

Description

Steam condensing device for steam turbine

Technical Field

The utility model relates to a condenser technical field specifically is a steam condensing equipment for steam turbine.

Background

A heat exchanger for condensing steam into liquid is also called as a condenser, the condenser is mainly used in steam turbines and chemical production processes, when the condenser is used for the steam turbines, the exhaust steam of the steam turbines is condensed into water for reuse by boilers, and vacuum far lower than the atmospheric pressure can be established at the exhaust steam positions of the steam turbines, so that the output power and the heat economy of the steam turbines are greatly improved.

In the prior art, a steam condensing device for a steam turbine has many defects, such as: in the water flow conveying process at the position of the water inlet pipe, the condition of poor filtering performance of the cooling water is not specifically treated, and in the water flow conveying process, the treatment on the poor filtering effect adopted in the water flow conveying process is not carried out.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a steam condensing unit for steam turbine to the in-process that advances water pipe position rivers and carry that proposes in solving above-mentioned background art does not make specific processing to the bad situation of cooling water filterability, and at the in-process that rivers were carried, the problem of processing is not made to the filter effect that takes relatively poor in rivers transportation process simultaneously.

In order to achieve the above object, the utility model provides a following technical scheme: a steam condensing device for a steam turbine comprises a base plate, wherein a support column is installed at the top end of the base plate and is located at two end positions on the base plate, a tube plate box is installed at the top end of the support column and is located at the top end position right above the support column, a cooling water inlet tube is installed at one end of the tube plate box, a protective shell is installed at the other end of the tube plate box, a water suction pump is arranged in the protective shell, a connecting tube is installed at the bottom end of the protective shell and is located at the top end position of the base plate, a steam condensing box is installed at the top end of the tube plate box, a steam condensing plate is arranged in the steam condensing box, an air exhaust tube is arranged on the steam condensing plate and is in cross connection with the air exhaust tube, a steam inlet is installed at the top end of the steam condensing box, fixing plates are installed at two ends of the tube plate box and are located, the support is located at the left end and the right end of the tube plate box, a cleaning plate is arranged in the tube plate box, a water delivery pipe is arranged in the cleaning plate, a filter plate is arranged in the water delivery pipe, a filter screen frame is arranged on the water delivery pipe, and a filter screen is arranged on the filter screen frame.

Preferably, the condenser plate is fixedly connected with the air exhaust pipe, and the condenser plate and the air exhaust pipe are located in the middle of the condenser box.

Preferably, the steam condensing box is fixedly connected with the tube plate box, and the tube plate box and the steam condensing box are arranged into an integral structure.

Preferably, the strainer rack is fixedly connected with the water pipe through a strainer, and the strainer is positioned at the outer side of the water pipe.

Preferably, the filter plates are positioned at two ends of the water delivery pipe and are fixedly connected with the filter screen.

Preferably, the cleaning plates are positioned at two ends of the filter screen frame, and the cleaning plates and the filter screen frame are arranged into an integral structure.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model is provided with the filter screen frame, the water pipes at two ends are connected through the filter screen frame, so that the cooling water inside the water pipe can be filtered more finely in the working process of the water pipe, thereby effectively prolonging the service life of the water pipe, the filter screen is arranged outside the further water pipe, the water flow entering from one end of the cooling water inlet pipe can be filtered through the filter screen, so that the water flow is filtered, the service life of the internal structure of the tube plate box is effectively prolonged, and the abrasion of the tube plate box is reduced;

2. the utility model discloses a steam condensing box and tube sheet case set up structure as an organic whole, carry out the advanced treatment of steam through the condenser plate on steam condensing box top and exhaust tube to more outstanding water cooling and the effect of condensing are made to the reaction of tube sheet incasement portion more effectual, and then increase the utility model discloses a practicality, the conversion of making efficiency of bigger degree improves production.

Drawings

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

fig. 2 is a schematic structural view of the water pipe of the present invention;

fig. 3 is a schematic structural diagram of the filter screen of the present invention.

In the figure: 1. a steam inlet; 2. a condenser plate; 3. a steam trap; 4. an air exhaust pipe; 5. a water delivery pipe; 6. a cooling water inlet pipe; 7. cleaning the plate; 8. filtering the plate; 9. a pillar; 10. a water pump; 11. a protective shell; 12. taking over a pipe; 13. a base plate; 14. a tube sheet box; 15. a fixing plate; 16. a support; 17. filtering with a screen; 18. a filter screen frame.

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.

Referring to fig. 1-3, the present invention provides an embodiment: a steam condensing device for a steam turbine comprises a bottom plate 13, a strut 9 is installed at the top end of the bottom plate 13, the strut 9 is used for connecting a fixing plate 15, the strut 9 is located at two end positions on the bottom plate 13, a tube plate box 14 is installed at the top end of the strut 9, the tube plate box 14 is used for filtering and inputting cooling water, the tube plate box 14 is located at the positive top end position on the strut 9, a cooling water inlet pipe 6 is installed at one end of the tube plate box 14, the cooling water inlet pipe 6 is used for inputting water flow, a protective shell 11 is installed at the other end of the tube plate box 14, the protective shell 11 is used for protecting the work of a water pump 10, a water pump 10 is arranged in the protective shell 11, the water pump 10 is used for sucking out steam, a connecting pipe 12 is installed at the bottom end of the protective shell 11, the connecting pipe 12 is used for discharging water flow, the connecting pipe 12 is located at the top end position of the bottom plate 13, a condensing box 3 is internally provided with a condensing plate 2, the condensing plate 2 is used for filtering steam, the condensing plate 2 is provided with an air exhaust pipe 4, the air exhaust pipe 4 is used for exhausting gas of the steam, the condensing plate 2 is in cross connection with the air exhaust pipe 4, the top end of the condensing box 3 is provided with a steam inlet 1, the steam inlet 1 is used for inputting the steam, two ends of the tube plate box 14 are provided with fixing plates 15, the fixing plates 15 are used for connecting the upper end position and the lower end position of the tube plate box 14, the fixing plates 15 are positioned at the upper end position and the lower end position of the tube plate box 14, a bracket 16 is arranged on the tube plate box 14, the bracket 16 is used for connecting the left end position and the right end position of the tube plate box 14, the tube plate box 14 is internally provided with a cleaning plate 7, the cleaning plate 7 is used for cleaning the cooling water input of the water tube 5, the water tube 5 is arranged in the cleaning plate 7, and, the water pipe 5 is internally provided with a filter plate 8, the filter plate 8 is used for filtering cooling water, the water pipe 5 is provided with a filter screen frame 18, the filter screen frame 18 is used for fixing the position of a filter screen 17, the filter screen frame 18 is provided with the filter screen 17, and the filter screen 17 is used for filtering the cooling water at the two ends of the water pipe 5.

Further, the condenser plate 2 is fixedly connected with the air exhaust pipe 4, the condenser plate 2 and the air exhaust pipe 4 are located in the middle of the condenser box 3, and the condenser plate 2 and the air exhaust pipe 4 are used for treating steam inside the condenser box 3, so that the condensed steam is generated by reaction between the condensed steam and cooling water.

Further, the steam condenser 3 is fixedly connected with the tube plate box 14, the tube plate box 14 and the steam condenser 3 are arranged into an integral structure, and the steam condenser 3 is used for advanced treatment of steam through the fixed connection of the tube plate box 14.

Further, strainer holder 18 passes through strainer 17 and raceway 5 fixed connection, and strainer 17 is located the outside position of raceway 5, and strainer holder 18 is used for fixed strainer 17's position to filter the cooling water on raceway 5 through strainer 17.

Further, the filter plates 8 are located at two ends of the water delivery pipe 5, the filter plates 8 are fixedly connected with the filter screen 17, and the filter plates 8 are used for filtering water flow outside the water delivery pipe 5, so that omnibearing cooling water filtering is performed.

Further, the cleaning plates 7 are located at two ends of the strainer holder 18, the cleaning plates 7 and the strainer holder 18 are integrated, and the cleaning plates 7 are fixedly connected with the strainer holder 18 to process the filtration at two ends of the water pipe 5.

The working principle is as follows: when the device is used, the support columns 9 are fixedly connected through the bottom plate 13, the positions of the tube plate boxes 14 and the condenser boxes 3 are fixed through the support columns 9, the tube plate boxes 14 and the condenser boxes 3 are fixed, steam is input through the steam inlet 1 at the top end of the condenser boxes 3, steam is filtered through the condenser plates 2 and the air exhaust pipes 4 in the condenser boxes 3 and enters the tube plate boxes 14, cooling water is input through the cooling water inlet pipe 6 at one end of each tube plate box 14, cooling water is conveyed through the water conveying pipes 5 in the tube plate boxes 14, the positions of the filter screens 17 are fixedly connected through the filter screen frames 18 outside the water conveying pipes 5, impurity water in the tube plate boxes 14 is filtered through the filter screens 17, cleaning protection of the cooling water is carried out through the cleaning plates 7 on the water conveying pipes 5, and high treatment of water flow is carried out through the filter plates 8, the steam condensing box 3 and the pillar 9 are fixed by connecting the fixing plate 15 and the support 16 outside the pipe plate box 14, so that steam and cooling water inside the steam condensing box 3 are condensed for reaction, the water suction pump 10 is protected by the protective shell 11 at one end of the pipe plate box 14, the water suction pump 10 is pumped away from the steam to the connecting pipe 12, and finally the water suction pump is conveyed to the outer-end equipment through the connecting pipe 12.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a steam condensing unit for steam turbine, includes bottom plate (13), its characterized in that: the steam condensing and condensing device is characterized in that a strut (9) is installed at the top end of the bottom plate (13), the strut (9) is located at two end positions on the bottom plate (13), a tube plate box (14) is installed at the top end of the strut (9), the tube plate box (14) is located at a positive top end position on the strut (9), a cooling water inlet pipe (6) is installed at one end of the tube plate box (14), a protective shell (11) is installed at the other end of the tube plate box (14), a water suction pump (10) is arranged in the protective shell (11), a connecting pipe (12) is installed at the bottom end of the protective shell (11), the connecting pipe (12) is located at a top end position of the bottom plate (13), a steam condensing box (3) is installed at the top end of the tube plate box (14), a steam condensing plate (2) is arranged in the steam condensing box (3), an air suction pipe (4) is arranged on the steam condensing plate (, steam inlet (1) is installed on the top of condensing steam case (3), fixed plate (15) are installed at the both ends of tube sheet case (14), and fixed plate (15) are located the upper and lower both ends position of tube sheet case (14), be provided with support (16) on tube sheet case (14), and support (16) are located the both ends position of controlling of tube sheet case (14), be provided with clean board (7) in tube sheet case (14), be provided with raceway (5) in clean board (7), be provided with filter plate (8) in raceway (5), be provided with screen frame (18) on raceway (5), be provided with filter screen (17) on screen frame (18).

2. The steam condensing apparatus for a steam turbine according to claim 1, wherein: the condenser plate (2) is fixedly connected with the air exhaust pipe (4), and the condenser plate (2) and the air exhaust pipe (4) are located in the middle of the condenser box (3).

3. The steam condensing apparatus for a steam turbine according to claim 1, wherein: the steam condensation box (3) is fixedly connected with the tube plate box (14), and the tube plate box (14) and the steam condensation box (3) are arranged into an integral structure.

4. The steam condensing apparatus for a steam turbine according to claim 1, wherein: the filter screen frame (18) is fixedly connected with the water delivery pipe (5) through a filter screen (17), and the filter screen (17) is positioned at the outer side of the water delivery pipe (5).

5. The steam condensing apparatus for a steam turbine according to claim 1, wherein: the filter plates (8) are positioned at two ends of the water delivery pipe (5), and the filter plates (8) are fixedly connected with the filter screen (17).

6. The steam condensing apparatus for a steam turbine according to claim 1, wherein: the cleaning plates (7) are positioned at two ends of the filter screen frame (18), and the cleaning plates (7) and the filter screen frame (18) are arranged into an integral structure.