CN219511316U - Steam exhausting device for condenser - Google Patents

Abstract

The utility model discloses a condenser steam-changing and exhausting device, which relates to the field of power plant cooling equipment and comprises a condenser main body and a reinforcing plate, wherein an exhaust pipeline is arranged on the condenser main body, one end of the exhaust pipeline is provided with a connecting flange, the front side of the bottom of the condenser main body is provided with a third sealing port, the rear side of the bottom of the condenser main body is provided with a fourth sealing port, the bottom of the condenser main body is also provided with a condensate water standby port, and the left side of the bottom of the condenser main body is provided with a second sealing port; the top of condenser main part is provided with first closed mouth, the left and right sides of condenser main part all is provided with condensate return water mouth, exhaust duct's exit end is provided with interior vaulting pole piece. The utility model realizes the reutilization of the waste condenser, reduces the cost of purchasing the steam exhaust device, saves the manufacturing time, shortens the engineering period, realizes the maximum benefit for users, and provides an economic and reasonable reconstruction scheme for similar project application in the future.

Description

Steam exhausting device for condenser

Technical Field

The utility model relates to the field of power plant cooling equipment, in particular to the field of condensers and air cooling steam exhaust devices, and in particular relates to a condenser steam exhaust device.

Background

The steam exhaust device is mainly used for connecting a power plant steam turbine with an air cooler, collecting condensate and exhausting exhaust steam, and is a necessary component of the power plant air cooling unit.

At present, the water-cooling condensing units have the problems of high water consumption and high self-water consumption rate, and are at risk of being shut down, so that the water-cooling units are needed to be changed into air-cooling units in part of areas. However, when the air cooling unit is changed, the original condenser is inevitably required to be removed, and the steam exhaust device is purchased, so that not only is the investment of users increased, but also the engineering construction time is increased. Based on the above, we propose a condenser steam-exhaust device.

Disclosure of Invention

The utility model aims to solve the defects of new equipment purchase, high manufacturing cost and long construction time in the prior art of transformation, and provides the condenser modified steam exhaust device which has the advantages of simple structure, low investment and short construction time.

In order to achieve the technical purpose and the technical effect, the utility model is realized by the following technical scheme:

the utility model provides a condenser changes exhaust device, includes condenser main part and gusset plate, be provided with exhaust duct on the condenser main part, exhaust duct's one end is provided with flange, the bottom front side of condenser main part is provided with the third closed port, the bottom rear side of condenser main part is provided with the fourth closed port, condenser main part bottom still is provided with condensate reserve port, the bottom left side of condenser main part is provided with the second closed port;

the top of condenser main part is provided with first closed mouth, the left and right sides of condenser main part all is provided with condensate return water mouth, exhaust duct's exit end is provided with interior vaulting pole piece.

Preferably, the inner stay bar piece comprises a plurality of groups of transverse pipes and vertical pipes, wherein the groups of transverse pipes are distributed at equal intervals from top to bottom at the outlet end of the exhaust pipeline, the groups of vertical pipes are distributed at equal intervals from left to right at the outlet end of the exhaust pipeline, and connecting steel plates are welded at the joints of the transverse pipes and the vertical pipes.

Based on the technical characteristics, the connection stability between the transverse pipe and the vertical pipe is improved.

Preferably, the connecting steel plate is provided with a penetrating through hole matched with the transverse pipe.

Based on the technical characteristics, the connecting steel plate is convenient to be sleeved on the transverse pipe first, and further the subsequent welding and fixing are convenient.

In summary, the present utility model includes at least one of the following beneficial effects:

according to the utility model, by removing parts of the original condenser, then plugging part of interfaces of the condenser, then changing some interfaces, reinforcing the internal structure, changing the functions of part of the parts to enable the parts to meet the running conditions of the air cooling unit, replacing a purchase steam exhaust device, thereby realizing the reutilization of the waste condenser, reducing the cost of purchasing the steam exhaust device, saving the manufacturing time, shortening the engineering period, and avoiding the need of removing the original condenser and increasing the removal cost; the equipment foundation does not need to be changed; the method realizes the maximum benefit for users and provides an economic and reasonable reconstruction scheme for similar project application in the future.

Drawings

FIG. 1 is a schematic view of a usage state structure of the present utility model;

FIG. 2 is a left side view of FIG. 1 in accordance with the present utility model;

FIG. 3 is a schematic view of the reinforcement structure of the inner stay member at the outlet end of the present utility model;

FIG. 4 is a cross-sectional view of the position A-A of FIG. 3 in accordance with the present utility model;

FIG. 5 is a schematic view of the structure of the reinforcement plate of the present utility model;

in the drawings, the list of components represented by the various numbers is as follows:

the device comprises a 1-condensate water return port, a 2-inner support rod piece, a 3-first sealing port, a 4-connecting flange, a 5-second sealing port, a 6-condensate water standby port, a 7-connecting steel plate, an 8-reinforcing plate, a 10-third sealing port and a 11-fourth sealing port.

Detailed Description

The utility model is described in further detail below with reference to fig. 1-5.

Embodiment one, the present utility model provides an embodiment: as shown in fig. 1, 2 and 5, a steam condenser steam-changing and exhausting device comprises a condenser main body and a reinforcing plate 8, wherein an exhaust pipeline is arranged on the condenser main body, and one end of the exhaust pipeline is provided with a connecting flange 4 (also called a flange cover); the front side of the bottom of the condenser main body is provided with a third sealing port 10, the rear side of the bottom of the condenser main body is provided with a fourth sealing port 11, the bottom of the condenser main body is also provided with a condensate water standby port 6, the condensate water standby port 6 is positioned beside the fourth sealing port 11, and the left side of the bottom of the condenser main body is provided with a second sealing port 5;

the top of the condenser main body is provided with a first sealing opening 3, the left side and the right side of the condenser main body are both provided with a condensate water return opening 1, the condensate water return opening 1 is originally an air-evacuating interface on the condenser, and the condensate water return opening 1 is used instead; the outlet end of the exhaust duct is provided with an inner strut member 2.

Embodiment two, based on embodiment one, another embodiment provided by the present utility model is: as shown in fig. 3 and 4, the inner supporting rod piece 2 comprises a plurality of groups of transverse pipes and vertical pipes, the groups of transverse pipes are distributed at the outlet end of the exhaust pipeline from top to bottom at equal intervals, the groups of vertical pipes are distributed at the outlet end of the exhaust pipeline from left to right at equal intervals, the connecting part of the transverse pipes and the vertical pipes is welded with a connecting steel plate 7, penetrating through holes matched with the transverse pipes are formed in the connecting steel plate 7, the connecting steel plate 7 is conveniently sleeved on the transverse pipes, further the welding and the fixing between the transverse pipes and the vertical pipes are facilitated, and the connection stability between the transverse pipes and the vertical pipes is improved.

Working principle:

step one, removing some parts on the condenser:

1) Removing a heat exchange tube in the condenser;

2) Dismantling left and right water chamber covers (the positions of the connecting flanges 4) of one end of the condenser facing the air cooling island;

step two, plugging part of interfaces of the condenser:

1) Sealing the circulating water inlet on the condenser to form a second sealing port 5;

2) Sealing a circulating water outlet on the condenser to form a first sealing port 3;

3) A front water chamber drain port and a rear water chamber drain port on the condenser are plugged to form a third sealing port 10 and a fourth sealing port 11 respectively;

step three, interface change:

two air-evacuating ports on the condenser are changed into a condensed water return port 1 and are connected with a condensed water return pipe of an air cooling island in parallel; checking whether the backwater from the position to the inside of the condenser is smooth, and if so, plugging the port; an interface is arranged at other positions and is used as a condensate standby port 6;

fourth, strengthening the condenser shell:

the bearing capacity of the shell is reduced after the components are removed from the inside of the condenser, the inside of the condenser is required to be reinforced by adopting an inner stay bar part 2;

fifthly, modifying a main exhaust steam outlet of the condenser:

after the condenser is dismantled the hydroecium lid, prepare a flange 4 on the spot according to the size of the hydroecium lid flange of the condenser, and open pore and exhaust the steam pipe to link on flange 4, realize fixing through the bolt fit hole; so far, the improvement of the condenser is completed.

In conclusion, the function of the steam exhaust device is realized by properly modifying the original condenser, the original condenser is not required to be dismantled, and the dismantling cost is not required to be increased; the equipment foundation does not need to be changed, and if a new exhaust device is purchased, the original foundation needs to be changed; thereby being convenient for reducing investment and construction time, obtaining higher benefit for users, avoiding the waste of funds and equipment and providing an economic and reasonable reconstruction scheme for the application of similar projects in the future.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims (3)

1. The utility model provides a condenser changes exhaust device, includes condenser main part and gusset plate (8), be provided with exhaust duct in the condenser main part, its characterized in that: one end of the exhaust pipeline is provided with a connecting flange (4), the front side of the bottom of the condenser main body is provided with a third sealing port (10), the rear side of the bottom of the condenser main body is provided with a fourth sealing port (11), the bottom of the condenser main body is also provided with a condensate water standby port (6), and the left side of the bottom of the condenser main body is provided with a second sealing port (5);

the top of condenser main part is provided with first closing port (3), the left and right sides of condenser main part all is provided with condensate return mouth (1), exhaust duct's exit end is provided with interior vaulting piece (2).

2. The condenser steam-altering exhaust apparatus according to claim 1, wherein: the inner stay bar piece (2) comprises a plurality of groups of transverse pipes and vertical pipes, wherein the groups of transverse pipes are distributed at equal intervals from top to bottom at the outlet end of the exhaust pipeline, the groups of vertical pipes are distributed at equal intervals from left to right at the outlet end of the exhaust pipeline, and connecting steel plates (7) are welded at the joints of the transverse pipes and the vertical pipes.

3. The condenser steam-altering exhaust apparatus as set forth in claim 2, wherein: and the connecting steel plate (7) is provided with a penetrating through hole matched with the transverse pipe.