CN114688890B

CN114688890B - Condenser

Info

Publication number: CN114688890B
Application number: CN202210607405.6A
Authority: CN
Inventors: 陈剑豪; 彭军华; 冯宾; 褚玲爱; 杨龙; 王进舟; 钟德樑; 艾民; 李子钧
Original assignee: Hangzhou Guoneng Steam Turbine Engineering Co Ltd
Current assignee: Hangzhou Guoneng Steam Turbine Engineering Co Ltd
Priority date: 2022-05-31
Filing date: 2022-05-31
Publication date: 2022-09-13
Anticipated expiration: 2042-05-31
Also published as: CN114688890A

Abstract

The invention relates to the technical field of condensing equipment, in particular to a condenser, which comprises a shell, a heat exchange component, a spray assembly and a non-condensing discharge pipe fitting, wherein the shell is provided with a heat exchange pipe; the inner space of the shell sequentially comprises a hot well, a steam condensing chamber and a spraying chamber from bottom to top; the steam condensing chamber is provided with a steam inlet for introducing steam; the heat exchange component comprises a circulating heat exchange tube bundle for introducing cooling water, and at least part of the heat exchange tube bundle is arranged in the condensing chamber; the spray assembly is used for spraying hot water and comprises a plurality of spray pipes which are distributed in a spray chamber along the horizontal direction, and a plurality of spray holes used for spraying hot water towards the heat exchange pipe bundle are formed in the pipe wall at the bottom of each spray pipe; the non-condensed steam discharge pipe is arranged in the condensing chamber and used for pumping the non-condensed steam in the condensing chamber. The invention has two functions, namely, the invention can cool hot water and can condense steam.

Description

Condenser

Technical Field

The invention relates to the technical field of condensing equipment, in particular to a condenser.

Background

The condenser is an important component of the condensing turbine device, and the working performance of the condenser directly affects the thermal economy and the operational reliability of the whole device.

The existing condenser can only condense steam, and does not have the function of cooling and recovering hot water, and in some specific systems, such as petrochemical plant systems, a large amount of excess hot water is generated and needs to be cooled and recovered, so the existing condenser still needs to be improved.

Disclosure of Invention

In order to solve at least one of the technical problems mentioned in the background art, the present invention aims to provide a condenser.

In order to achieve the purpose, the invention provides the following technical scheme:

a condenser, comprising:

the inner space of the shell sequentially comprises a hot well, a steam condensing chamber and a spraying chamber from bottom to top; the steam condensing chamber is provided with a steam inlet for introducing steam;

the heat exchange component comprises a circulating heat exchange tube bundle for introducing cooling water, and at least part of the heat exchange tube bundle is arranged in the condensing chamber;

the spray assembly is used for spraying hot water and comprises a plurality of spray pipes which are distributed in a spray chamber along the horizontal direction, and a plurality of spray holes used for spraying the hot water towards the heat exchange pipe bundle are formed in the pipe wall at the bottom of each spray pipe;

the non-condensed steam discharge pipe is arranged in the condensing chamber and used for pumping the non-condensed steam in the condensing chamber.

Compare prior art, the advantage of this scheme of adoption lies in:

firstly, in the scheme, a steam condensing chamber and a spraying chamber are arranged in a shell, a steam inlet is arranged on the steam condensing chamber, and a spraying component is arranged in the spraying chamber, so that the condenser can have two operation states, when a steam turbine operates, steam which is applied with work by the steam turbine can be discharged into the steam condensing chamber through the steam inlet to realize heat exchange with cooling water in a heat exchange tube bundle, and the steam is subjected to heat exchange and condensation through the cooling water to form condensed water; when the steam turbine stops, can be with in the leading-in shower of hot water, spout hot water to heat exchanger tube bank through the shower, make hot water and the cooling water realization heat exchange in the heat exchanger tube bank, so alright cool off hot water through the cooling water.

Secondly, in this scheme, hot water adopts the leading-in condensing chamber of the mode that sprays, so alright make the dispersion that hot water can great degree come in order to contact with heat exchanger tube bank to can improve hot water and heat exchange efficiency of heat exchanger tube bank.

Finally, in this scheme, still be provided with noncondensable steam discharge pipe fitting, so alright will exist with the noncondensable steam discharge in the condensation chamber.

Preferably, the non-condensing exhaust pipe comprises a steam extraction main pipe, at least one steam extraction branch pipe is arranged on the steam extraction main pipe, one end of each steam extraction branch pipe is communicated with the steam extraction main pipe, the other end of each steam extraction branch pipe is communicated with a header tank arranged in the condensing chamber, and the header tank is provided with an opening end through which non-condensing steam is sucked.

Preferably, the open end of the header tank is oriented opposite the steam inlet of the steam trap chamber.

Preferably, two sides of an opening end of the header tank are respectively provided with a baffle, an air cooling area is formed between the two baffles, and at least part of the heat exchange tube bundle is located in the air cooling area.

Preferably, the housing comprises a front side wall and a rear side wall which are oppositely arranged along a first direction, and the steam inlet is arranged on the front side wall; the condenser still includes:

the bottom support component is arranged at the bottom of the shell and supports the shell, the bottom support component comprises an elastic support part which is arranged on a foundation and can move along the vertical direction, and the shell is supported on the elastic support part;

at least two sliding support members respectively arranged on the front side wall and the rear side wall of the shell; the sliding support component comprises a first fixing part, a sliding support and a sliding guide assembly arranged between the first fixing part and the sliding support; first fixed part is fixed with the ground, sliding support is fixed with the casing, through lead smooth subassembly and make sliding support slide the setting in the first direction relative first fixed part, it is spacing relative first fixed part in vertical direction.

Preferably, the sliding guide assembly comprises:

the first substrate is horizontally fixed on the sliding support, and a through hole vertically penetrating through the first substrate is formed in the first substrate;

the first embedded plate is horizontally fixed on the first fixing part;

the first Teflon base plate is horizontally arranged between the first base plate and the first embedded plate, the first Teflon base plate is fixed with the first embedded plate, and the first base plate and the first Teflon base plate are arranged in a sliding mode in the horizontal direction;

a bolt member including a bolt and a nut, the bolt being vertically fixed on the first fixing portion, the radius of the bolt being smaller than that of the through-hole; the bolt penetrates through the first embedded plate and the first Teflon base plate and penetrates through the first base plate through the through hole, the nut is in threaded connection with the screw rod, and the nut is located on the upper side of the first base plate; and a spring washer sleeved on the screw rod in a penetrating manner is arranged between the nut and the first substrate.

Preferably, the first substrate is made of stainless steel; or a horizontally arranged stainless steel base plate is fixed at the bottom of the first substrate and is in sliding fit with the first Teflon base plate.

Preferably, the condenser further comprises a guide member, the guide member comprises a second fixing part, a guide support and a guide assembly arranged between the second fixing part and the guide support, the guide support is fixed with the shell, and the second fixing part is fixed with the foundation; under the guidance of the guide assembly, the second fixing part and the guide support are kept positioned in the second direction and relatively slide in the vertical direction; wherein the first direction is perpendicular to the second direction in a horizontal plane.

Preferably, the guide assembly comprises a guide plate vertically fixed on the second fixing portion and two clamping plates vertically fixed on the guide support, a clamping groove is formed between the two clamping plates at intervals, and the guide plate is embedded in the clamping groove.

Preferably, the elastic supporting part is fixedly connected with a horizontally arranged load-carrying plate, the bottom wall of the shell is placed on the load-carrying plate, the load-carrying plate is a second Teflon cushion plate, or the load-carrying plate is a roller load-carrying plate with rollers on the upper wall.

Other advantages and effects of the invention are specifically set forth in the detailed description section.

Drawings

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

FIG. 2 is a front sectional view of the present invention;

FIG. 3 is a side cross-sectional view of the present invention;

FIG. 4 is a top view of the present invention;

FIG. 5 is a schematic view of the spring box;

FIG. 6 is a schematic structural view of the sliding support member;

FIG. 7 is an enlarged view of portion A of FIG. 6;

FIG. 8 is a schematic structural view of a guide member;

FIG. 9 is a schematic structural view of a Teflon liner plate used in the present invention;

fig. 10 is a schematic diagram of the connection between the condenser and the steam turbine according to the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 9, the present embodiment provides a condenser, which has two functions, namely, cooling hot water and condensing steam, and mainly includes a housing 1, a heat exchange component 2, a spray component 3, a non-condensing exhaust pipe 4, and the like. For the sake of understanding, F1 in fig. 1 indicates a vertical direction, i.e., a height direction of the condenser, F2 indicates a second direction, and F3 indicates a first direction.

The following details the components:

referring to fig. 1 and 2, the inner space of the housing 1 sequentially includes a hot well 11, a condensing chamber 12 and a spraying chamber 13 from bottom to top; wherein the hot well 11, the condensing chamber 12 and the spraying chamber 13 are communicated, the spraying chamber 13 is mainly used for installing the spraying component 3, the condensing chamber 12 is mainly used for installing the heat exchange tube bundle 21, and the processes of cooling hot water and condensing steam are mainly carried out in the condensing chamber 12; and the hot well 11 is used for receiving condensed water formed by steam condensation and hot water after spray cooling.

Referring to fig. 3, the condensing chamber 12 has a steam inlet 121 for introducing steam, and the steam inlet 121 is communicated with the condensing chamber 12, as shown in fig. 10, when in use, the steam inlet 121 is connected with a steam exhaust cylinder of a steam turbine, and the steam generated by the steam turbine applying work is exhausted into the steam inlet 121 through the steam exhaust cylinder of the steam turbine, and then enters the condensing chamber 12.

As shown in fig. 2 and 3, the heat exchange assembly 2 comprises a bundle 21 of flow-through heat exchange tubes into which cooling water is introduced, said bundle 21 being at least partially arranged inside the condensation chamber 12; the steam or sprayed hot water in the steam condensation chamber 12 exchanges heat with the cooling water flowing in the heat exchange tube bundle 21 to realize the function of condensing the steam or cooling the hot water.

Specifically, as shown in fig. 2, the heat exchange component 2 further includes a front water chamber 22 disposed on one side of the shell 1, and a rear water chamber 23 disposed on one side of the shell 1 opposite to the front water chamber 22; wherein, the interior of the front water chamber 22 is divided into an upper chamber 221 and a lower chamber 222 by a horizontal clapboard, the lower chamber 222 is provided with a water inlet (not shown in the figure), and the upper chamber 221 is provided with a water outlet (not shown in the figure); the heat exchange tube bundle 21 is composed of a plurality of heat exchange tubes horizontally arranged, wherein two ends of one part of heat exchange tubes in the heat exchange tube bundle 21 are respectively communicated with the upper chamber 221 and the rear water chamber 23, two ends of the other part of heat exchange tubes in the heat exchange tube bundle 21 are respectively communicated with the lower chamber 222 and the rear water chamber 23, when the heat exchange tube bundle is used, cooling water is introduced into the lower chamber 222 from a water inlet on the lower chamber 222, the cooling water entering the lower chamber 222 flows to the rear water chamber 23 through the heat exchange tubes communicated with the lower chamber 222, the cooling water flowing into the rear water chamber 23 flows to the upper chamber 221 through the heat exchange tubes communicated with the upper chamber 221, and is finally discharged from a water outlet on the upper chamber 221, so that the operation of continuously introducing the cooling water into the heat exchange tube bundle 21 is realized.

It can be understood that 1 or more heat exchange components 2 can be provided, and can be selected according to actual needs, and are not specifically limited herein; as shown in fig. 2, the embodiment that adopts 2 heat exchange components 2 is shown in this embodiment, the 2 heat exchange components 2 are sequentially arranged in the vertical direction, and the 2 heat exchange components 2 have the same structure, so that redundant description is not repeated here.

The spray assembly 3 is used for spraying hot water, as shown in fig. 1 and fig. 2, the spray assembly 3 includes a plurality of spray pipes 31 distributed in the spray chamber 13 along the horizontal direction, a plurality of spray holes (not shown in the figure) for spraying hot water toward the heat exchange tube bundle 21 are provided on the bottom pipe wall of the spray pipes 31, in short, a plurality of spray holes are uniformly distributed on the bottom wall of the spray pipes 31 along the axial direction of the spray pipes 31, and the hot water introduced into the spray pipes 31 is finally sprayed out downwards from the spray holes.

The specific classification of the shower pipe 31 is:

as shown in fig. 2, the axial direction of the shower pipes 31 is perpendicular to the axial direction of the heat exchange tube bundle 21, and all the shower pipes 31 are sequentially and uniformly distributed at intervals along the axial direction of the heat exchange tube bundle 21, so as to ensure that the shower pipes 31 can uniformly spray hot water into the condensing chamber 12.

Referring to fig. 3, fig. 3 is a schematic view of a partial structure of the interior of the condenser, and the non-condensing exhaust pipe 4 is disposed in the condensing chamber 12 for exhausting non-condensing steam in the condensing chamber 12, where the non-condensing steam refers to steam that is not condensed into condensed water in the condensing chamber 12. It will be understood that the non-condensing outlet pipe 4 is connected to a suction device (not shown) by means of which the non-condensing steam is sucked.

Through above-mentioned setting for this condenser possesses two kinds of functions, and one is cooling hot water, and two are the condensation steam, specifically do:

when steam enters: the steam after doing work in the steam turbine is discharged to the steam inlet 121 through the steam turbine exhaust cylinder, and then is discharged into the steam condensing chamber 12 through the steam inlet 121, so that the steam introduced into the steam condensing chamber 12 can be contacted with the heat exchange tube bundle 21 to realize heat exchange with cooling water circulating in the heat exchange tube bundle 21, thereby realizing condensation of the steam, part of the steam finally forms condensed water through condensation, and finally falls into the hot well 11, and the other part of uncondensed steam which is not condensed is sucked and discharged through the uncondensed discharging pipe fitting 4.

When entering spray hot water: at the moment, the steam turbine is stopped, hot water does not need to flash steam, at the moment, hot water in the hot water tank can be pumped into the spray pipe 31 by using the water pump, the hot water pumped into the spray pipe 31 is finally sprayed into the condensing chamber 12 through the spray holes at the bottom of the spray pipe 31, the sprayed hot water is in contact with the heat exchange tube bundle 21, heat exchange is carried out between the heat exchange tube bundle 21 and cooling water in the heat exchange tube bundle 21, the hot water is cooled, and the cooled hot water finally drops into the hot well 11.

In this embodiment, as shown in fig. 3 and 4, all the shower pipes 31 are collected in one shower main pipe 32, and the hot water is distributed into the shower pipes 31 through the shower main pipe 32.

As an embodiment, as shown in fig. 3, a water outlet 111 is provided at the bottom of the hot well 11 to discharge the water falling into the hot well 11, and specifically, a water pump may be provided to connect with the water outlet 111 of the hot well 11 to perform a water pumping and discharging operation.

The concrete structure of the non-condensed steam discharge pipe fitting 4 is as follows:

as shown in fig. 3, the non-condensing exhaust pipe 4 includes a main steam extraction pipe 41, at least one branch steam extraction pipe 42 is disposed on the main steam extraction pipe 41, one end of the branch steam extraction pipe 42 is communicated with the main steam extraction pipe 41, and the other end is communicated with a header tank 43 disposed in the condensing chamber 12; in the embodiment, two steam extraction branch pipes 42 are connected to the steam extraction main pipe 41, and a header tank 43 is connected to each steam extraction branch pipe 42.

As shown in fig. 3, the header tank 43 is a hollow shell structure, which extends along the axial direction of the heat exchange tube bundle 21, and one side of the header tank 43 is opened to form an open end, so that non-condensable vapor is sucked into the header tank through the open end during suction, and then is guided to the branch pipes 42 and the main steam extraction pipe 41 in sequence by the header tank, and finally is discharged from the main steam extraction pipe 41.

The provision of the header tank 43 in this embodiment can increase the suction range, thereby enabling suction of noncondensable steam in a wide range.

In order to make the opening end of the header tank 43 capable of uniformly introducing steam, a hole plate 44 having steam holes uniformly opened on the plate surface is provided at the opening end of the header tank 43.

In this embodiment, the open end of the header tank 43 faces opposite to the steam inlet 121 of the condensing chamber 12, in other words, the open end of the header tank 43 faces away from the steam inlet 121, for example, in this embodiment, as shown in fig. 3, the steam inlet 121 faces right, and at this time, the open end of the header tank 43 faces left, so that the steam inlet direction of the steam inlet 121 and the steam extraction direction of the open end of the header tank 43 tend to be opposite, so that the header tank 43 does not directly extract too much steam discharged from the steam inlet 121; in other words, if the open end of the header tank 43 is oriented in the same direction as the steam inlet 121 of the condenser 12, when the steam is discharged from the steam inlet 121, a part of the steam may not be in sufficient contact with the heat exchange tube bundle 21 and is directly sucked away from the header tank 43.

In order to perform a secondary condensation function on the non-condensable vapor, as shown in fig. 3, two sides of an open end of the header tank 43 are respectively provided with a baffle plate 45, an air cooling area 451 is defined between the two baffle plates 45, and the heat exchange tube bundle 21 is at least partially located in the air cooling area 451, so that during the process of pumping the non-condensable vapor, the non-condensable vapor passes through the air cooling area 451 first, so as to exchange heat with the heat exchange tube bundle 21 in the air cooling area 451, which is equivalent to performing a secondary condensation function on the non-condensable vapor; in order to lead out the condensed water condensed in the air-cooling area 451 downward, the baffle 45 located on the lower side is inclined downward in this embodiment.

Because the steam turbine is in normal operating, the whole temperature of equipment can rise, produces thermal expansion, and the thermal displacement that the steam turbine produced this moment can pass through the steam turbine casing and transmit the condenser for the condenser can produce the trend of backward slip, and here backward refers to the rear side of the axial direction of steam inlet 121, also the left side in fig. 3, consequently in order to make the condenser can adapt to the thermal displacement of steam turbine, further improvement is made to this embodiment:

the housing 1 comprises a front side wall and a rear side wall which are oppositely arranged along a first direction, the steam inlet 121 is arranged on the front side wall, and the first direction can be understood as the axial direction of the steam inlet 121; the condenser further comprises a bottom support member 5, a sliding support member 6 and a guide member 7.

As shown in fig. 2, the bottom support member 5 is disposed at the bottom of the casing 1 to support the casing 1, the bottom support member 5 includes an elastic support portion disposed on the foundation and capable of moving in the vertical direction, and the casing 1 is supported on the elastic support portion, where the support is understood that the bottom wall of the casing 1 is directly placed on the elastic support portion, and is not fixed to the elastic support portion, so as to ensure that the casing 1 can slide horizontally relative to the elastic support portion.

Specifically, as shown in fig. 2 and 5, the elastic support portion may be an existing spring box 51, which mainly includes a spring seat 511, a spring (not shown in the drawings) disposed in the spring seat 511, and a load column 512 vertically movably disposed on the spring seat 511, and the load column 512 is pushed up by the upward thrust generated by the spring on the load column 512, and the load column 512 can be moved downward against the elastic force of the spring by pressing the load column 512 downward.

In this embodiment, the spring boxes 51 may be disposed in a plurality and vertically, the spring seat 511 is fixed to the ground, a horizontally disposed load board 52 is fixedly connected to the load column 512, and the bottom wall of the housing 1 is directly placed on the load board 52.

In order to make the housing 1 slide on the load board 52 more smoothly, in the embodiment, the load board 52 may be a teflon pad, and for the sake of distinction, it is referred to as a second teflon pad. Because the second teflon backing plate has high lubricity, the friction force applied when the bottom wall of the shell 1 and the second teflon backing plate slide relatively is small, so that the shell 1 can better slide to perform horizontal thermal displacement.

Of course, as another possible embodiment, the load plate 52 may also be a roller load plate (not shown) having rollers on the upper wall, so that the bottom wall of the housing 1 directly seats on the rollers on the roller load plate, and the friction between the condenser and the roller load plate is rolling friction when the condenser is subjected to horizontal thermal displacement, which can also reduce the friction therebetween.

The sliding support members 6 comprise at least two, and the two sliding support members 6 are respectively arranged on the front side wall and the rear side wall of the shell 1; in the present embodiment, as shown in fig. 1 and 4, the sliding support member 6 includes 4, two provided on the front side wall of the housing 1, and the other two provided on the rear side wall of the housing 1.

As shown in fig. 1 and 6, the sliding support member 6 includes a first fixing portion 61, a sliding support 62, and a sliding guide assembly 63 disposed between the first fixing portion 61 and the sliding support 62; the first fixing portion 61 is fixed to the foundation, the sliding support 62 is fixed to the housing 1, the sliding support 62 is arranged in a sliding mode relative to the first fixing portion 61 in the first direction through the sliding guide assembly 63, and the first fixing portion 61 is limited in the vertical direction.

It is possible for the first fixing part 61 to be a concrete block cast directly on the foundation.

Referring to fig. 7, the slide guide assembly 63 includes a first base plate 631, a first pre-buried plate 632, a bolt member, and a teflon backing plate, for differentiation, the teflon backing plate is referred to as a first teflon backing plate 634, wherein the first teflon backing plate 634 and the second teflon backing plate have substantially the same structure, and as shown in fig. 9, mainly include a bottom steel plate L2 and a PTFE plate layer L1 bonded and compounded on the bottom steel plate; in the second teflon backing plate, the bottom steel plate is fixed to the load column 512, and the PTFE sheet layer is in contact with the bottom wall of the housing 1.

As shown in fig. 7, the first substrate 631 is horizontally fixed at the bottom of the sliding support 62, and a through hole 6311 vertically penetrating through the first substrate 631 is formed in the first substrate 631.

The first embedded plate 632 is horizontally fixed on the first fixing portion 61, and specifically, when the first fixing portion 61 is formed by pouring a concrete block, the first embedded plate 632 is embedded in the top of the concrete block.

The first teflon backing plate 634 is horizontally disposed between the first substrate 631 and the first pre-buried plate 632, wherein the first teflon backing plate 634 is fixed to the first pre-buried plate 632, and the first substrate 631 and the first teflon backing plate 634 are relatively slidably disposed in a horizontal direction; specifically, a horizontally arranged stainless steel backing plate 633 is welded at the bottom of the first substrate 631, a bottom steel plate in the first teflon backing plate 634 is welded with the first embedded plate 632, and a through hole 6311 on the first substrate 631 extends downwards to penetrate through the stainless steel backing plate 633; stainless steel backing plate 633 is placed on the PTFE sheet layer in first Teflon backing plate 634, so stainless steel backing plate 633 and first base plate 631 can slide relative to first Teflon backing plate 634 as a whole, because first Teflon backing plate 634 has high lubricity for produced frictional force is little when sliding between the two, changes easily and slides.

As another alternative, the difference is that the stainless steel pad 633 is not disposed on the bottom of the first substrate 631, but the first substrate 631 is made of stainless steel, which is directly placed on the PTFE sheet layer in the first teflon pad 634 to achieve a sliding fit.

As shown in fig. 7, the bolt member includes a bolt 635 and a nut 636, the bolt 635 is vertically fixed to the first fixing portion 61, and a radius of the bolt 635 is smaller than that of the through hole 6311; the bolt 635 penetrates through the first embedded plate 632 and the first teflon cushion plate 634, and penetrates through the first substrate 631 via the through hole 6311, so that the radius of the bolt 635 is set to be smaller than that of the through hole 6311, so as to ensure that there is enough clearance in the through hole 6311 for the bolt 635 and the first substrate 631 to move relatively in the horizontal direction.

The nut 636 is in threaded connection with the screw, and the nut 636 is positioned on the upper side of the first substrate 631; a spring washer 637 is arranged between the nut 636 and the first substrate 631 in a padding way and is sleeved on the screw, the spring washer 637 is pressed against the upper wall of the first substrate 631 through the nut 636, and a downward elastic locking force can be generated on the first substrate 631 by arranging the spring washer 637 to match with the locking of the nut 636, so that the first substrate 631 can be limited in the vertical direction, and the locking force of the nut 636 on the first substrate 631 cannot be too large to cause the first substrate 631 and the first teflon cushion plate 634 to be difficult to slide relatively.

In actual use, the spring box 51 can support the casing 1 to bear a part of the weight of the condenser, and the entire casing 1 is supported by the first fixing portion 61, and in the supported state, as shown in fig. 10, the sliding support 62 and the first fixing portion 61 are vertically limited by the bolt member, so that a dead point position T1 is formed in the vertical direction at the connecting position of the sliding support 61 and the first fixing portion 61, and the condenser can generate an expansion thermal displacement in the vertical direction based on the dead point position T1, and generate an expansion thermal displacement in the vertical direction based on the dead point position T1, and the downward thermal displacement can be absorbed by the spring box 51.

Similarly, the steam turbine is also provided with a dead point position T2 in the vertical direction when actually installed, and is capable of expanding and thermally displacing up and down based on the dead point position T2.

The exhaust cylinder of the steam turbine is connected with the steam inlet of the condenser, and the central axis of the exhaust cylinder of the steam turbine is superposed with the central axis of the steam inlet 121 of the condenser, namely 2 are coaxially arranged; however, in the present embodiment, when the dead point position T1 is actually set, the following condition is satisfied:

the dead point position T1 is on the same side of the central axis of the steam inlet 121 as the dead point position T2, and the dead point position T1 is at a distance H1 from the central axis equal to the dead point position T2 is at a distance H2 from the central axis; therefore, the thermal displacement generated upwards by the steam turbine based on the dead point position T2 and the thermal displacement generated upwards by the condenser based on the dead point position T1 can be ensured to have better synchronism, and the connection between the condenser and the steam turbine can be more stable during actual work.

When the horizontal thermal displacement (i.e., the thermal displacement in the axial direction of the steam inlet) generated by the steam turbine is transmitted to the condenser, the condenser slides backward relative to the first fixing portion 61 through the sliding support 62, so that the condenser achieves the backward thermal displacement in the first direction.

Since the horizontal thermal displacement of the steam turbine to the condenser is mainly in the first direction, i.e. the axial direction of the steam inlet 121, in order to avoid the condenser moving in the second direction, the present embodiment is further improved, wherein the second direction is perpendicular to the first direction on the horizontal plane, as shown in fig. 1.

As shown in fig. 1 and 8, the condenser further includes a guide member 7, the guide member 7 includes a second fixing portion 71, a guide support 72, and a guide assembly 73 disposed between the second fixing portion 71 and the guide support 72, the guide support 72 is fixed to the casing 1, and the second fixing portion 71 is fixed to the ground; under the guidance of the guide assembly 73, the second fixing part 71 and the guide support 72 are kept in position in the second direction and slide relatively in the vertical direction; that is, the guide holder 72 is substantially immovable in the second direction with respect to the second fixing portion 71.

Specifically, the method comprises the following steps: as shown in fig. 1 and 8, the guide assembly 73 includes a guide plate 731 vertically fixed on the second fixing portion 71, and two clamping plates 732 vertically fixed on the guide support 72, wherein a clamping groove is formed between the two clamping plates 732 at an interval, the guide plate 731 is embedded in the clamping groove, and two sides of the guide plate 731 are respectively attached to the two clamping plates 732. Thus, the guide plate 731 cannot move to both sides, i.e. cannot move in the second direction, under the restriction of the two clamping plates 732; in the vertical direction, the guide plate 731 is movable up and down with respect to the clamp plate 732, so as to perform a guiding function.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. 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.

Claims

1. A condenser, comprising:

the non-condensed steam discharge pipe is arranged in the condensing chamber and used for pumping the non-condensed steam in the condensing chamber;

when steam enters: the steam after work in the steam turbine is discharged to a steam inlet through a steam turbine exhaust cylinder, then is discharged into a condensing chamber from the steam inlet, and the steam introduced into the condensing chamber is contacted with a heat exchange tube bundle to realize heat exchange with cooling water circulating in the heat exchange tube bundle so as to realize condensation of the steam;

when entering spray hot water: the steam turbine stops, and hot water no longer need flash distillation steam, through the water pump with hot water suction spray pipe in, spray to the steam condensing chamber by the hole that sprays of spray pipe bottom, the hot water that sprays down contacts with the heat exchange tube bank, carries out the heat exchange through the cooling water in heat exchange tube bank and the heat exchange tube bank, realizes the cooling to hot water.

2. The condenser of claim 1, wherein the non-condensing exhaust pipe comprises a main steam extraction pipe, the main steam extraction pipe is provided with at least one branch steam extraction pipe, one end of the branch steam extraction pipe is communicated with the main steam extraction pipe, the other end of the branch steam extraction pipe is communicated with a header tank arranged in the condensing chamber, and the header tank has an open end through which non-condensing steam is sucked.

3. A condenser as claimed in claim 2 wherein the open end of the header tank is oppositely directed to the steam inlet of the condensing chamber.

4. A condenser as claimed in claim 2 or 3, wherein the header tank is provided with baffles at both sides of an open end thereof, an air cooling area is defined between the baffles, and the heat exchange tube bundle is at least partially located in the air cooling area.

5. The condenser according to claim 1, wherein the casing comprises a front side wall and a rear side wall which are oppositely arranged along a first direction, and the steam inlet is formed in the front side wall; the condenser still includes:

at least two sliding support members respectively arranged on the front side wall and the rear side wall of the shell; the sliding support component comprises a first fixing part, a sliding support and a sliding guide assembly arranged between the first fixing part and the sliding support; the first fixing part is fixed with the foundation, the sliding support is fixed with the shell, the sliding support is arranged in a sliding mode relative to the first fixing part in the first direction through the guide sliding assembly, and the first fixing part is limited in the vertical direction.

6. The condenser of claim 5, wherein the skid assembly comprises:

the first embedded plate is horizontally fixed on the first fixing part;

7. The condenser of claim 6, wherein the first substrate is made of stainless steel; or a horizontally arranged stainless steel base plate is fixed at the bottom of the first substrate and is in sliding fit with the first Teflon base plate.

8. The condenser of claim 6, further comprising a guide member, wherein the guide member comprises a second fixing portion, a guide support, and a guide assembly disposed between the second fixing portion and the guide support, the guide support is fixed to the casing, and the second fixing portion is fixed to the foundation; under the guidance of the guide assembly, the second fixing part and the guide support are kept positioned in the second direction and relatively slide in the vertical direction; wherein the first direction is perpendicular to the second direction in a horizontal plane.

9. The condenser of claim 8, wherein the guide assembly comprises a guide plate vertically fixed on the second fixing portion, and two clamping plates vertically fixed on the guide support, the two clamping plates are spaced apart to form a clamping groove, and the guide plate is embedded in the clamping groove.

10. The condenser according to claim 5 wherein the resilient support is fixedly connected to a horizontally disposed load plate, the bottom wall of the housing is placed on the load plate, wherein the load plate is a second Teflon liner plate, or the load plate is a roller load plate having rollers on an upper wall thereof.