CN220250799U - Condenser with variable tube side - Google Patents

Abstract

The utility model relates to a condenser with a variable tube side, which comprises a condensing tube, a front end tube box and a rear end tube box, wherein the front end tube box and the rear end tube box are arranged at two ends of the condensing tube, annular parts are respectively arranged between the condensing tube and the front end tube box and between the condensing tube and the rear end tube box, a first extension part is arranged on the annular inner side of the annular part along the length direction of the condensing tube, and a movable tube plate is arranged on the annular inner side of the first extension part, so that a closed space is formed among the front end tube box, the condensing tube and the rear end tube box, the rear end tube box are communicated with the front end tube box through a heat exchange tube, the movable tube plate can be fixedly arranged at different positions on the first extension part along the length direction of the condensing tube, and the tube side of the condensing tube can be changed by adjusting the positions of the movable tube plate on the annular parts, and the effective heat exchange area of the variable heat tube is further changed, so that the best condensing effect is achieved.

Description

Condenser with variable tube side

Technical Field

The utility model relates to the technical field of condensers, in particular to a condenser with a variable tube side.

Background

The condenser belongs to one type of heat exchanger, and a plurality of heat exchange pipes for heat exchange are arranged in the container along the horizontal direction, and the heat exchange pipes are wrapped by condensing media. The steam discharged from the turbine is introduced into the heat exchange tube along the fluid inlet, and heat of the steam is transferred to the condensing medium by heat exchange between the heat exchange tube and the condensing medium, and condensed into condensed water.

The key of the condensation process is that heat exchange is carried out through the heat exchange tubes, the tube plates in the condenser in the prior art are fixed between the tube box and the condensation tubes, the positions of the tube plates are fixed, the heat exchange tubes are welded with the tube plates, when the temperature and the components of condensing media or steam are changed, the condensation efficiency can be influenced, for example, when the sulfur-containing steam is condensed, if the heat lost by the steam is excessive, a large amount of sulfur-containing solid matters can be generated, the heat exchange tubes can be blocked by the fixed matters, the heat lost by the steam can be reduced by reducing the heat exchange area through shortening the heat exchange length of the heat exchange tubes, and then the generation of the solid matters is reduced, so that the problem is solved, but the tube plates at the two ends of the existing condensation tubes are fixed, the heat exchange tubes are welded with the tube plates, and the tube pass of the condensation tubes is difficult to change.

Disclosure of Invention

In view of the foregoing shortcomings of the prior art, it is an object of the present utility model to provide a variable tube side condenser that solves one or more of the problems of the prior art.

In order to achieve the above purpose, the technical scheme of the utility model is as follows:

a variable tube side condenser comprising:

the condenser pipe, set up in front end pipe case and the rear end pipe case at condenser pipe's both ends, the condenser pipe with front end pipe case with be provided with the annular piece between the rear end pipe case respectively, the annular inboard of annular piece is followed the length direction of condenser pipe is provided with first extension, the annular inboard of first extension is provided with the movable tube sheet, makes front end pipe case, condenser pipe, rear end pipe case form airtight space respectively, the rear end pipe case with the front end pipe case passes through the heat transfer pipe intercommunication, the movable tube sheet can fix set up in follow on the first extension the different positions of condenser pipe length direction.

Further, the circumference of removing the tube sheet is provided with the second extension, a plurality of screw holes have been seted up to the annular on the second extension, a plurality of screw holes have been seted up along the corresponding annular of axial on the first extension, connect the screw hole on the first extension of different positions, the second extension simultaneously through first fixing bolt, can fix the removal tube sheet in the annular piece along axial different positions.

Further, the threaded hole, to which the first fixing bolt is not connected, is connected with a sealing block.

Further, a plurality of connecting holes are formed in the movable tube plate, sealing hoops are arranged at the connecting holes, and second fixing bolts are arranged between the sealing hoops and the movable tube plate.

Further, a fixing protrusion is arranged at the annular inner side of the sealing hoop, and a plurality of fixing grooves are formed in the heat exchange tube along the length direction of the heat exchange tube.

Further, the distal end of the ring is provided with a third extension.

Further, a fourth extension is provided at the end of the first extension of the ring.

Further, manholes are respectively formed in the far end, the front end pipe box and the rear end pipe box of the condensing pipe, a fluid inlet is formed in the front end pipe box, and a first fluid outlet and a second fluid outlet are formed in the rear end pipe box.

Further, the middle section distal end of condenser pipe is provided with the toper arch, be provided with the condensing medium export on the toper arch, the proximal end of condenser pipe still is provided with the condensing medium entry.

Compared with the prior art, the utility model has the following beneficial technical effects:

(1) According to the condenser with the variable tube side, the annular piece is connected with the condensing tube, the front end tube box and the rear end tube box, the movable tube plate is arranged on the annular piece and can be fixedly arranged at different positions on the annular piece along the length direction of the condensing tube, and the tube side of the condensing tube can be changed by adjusting the position of the movable tube plate on the annular piece, so that the effective heat exchange area of the heat exchange tube is changed, and the best condensing effect is achieved.

(2) Further, a plurality of heat exchange tubes are detachably arranged between the two movable tube plates through the sealing hoops and the connecting holes, so that the heat exchange tubes are convenient to detach and mount, the distance between the two movable tube plates is convenient to adjust, and the fixing grooves and the fixing protrusions are respectively arranged on the heat exchange tubes and the sealing hoops, so that the sealing effect of the assembly formed by the heat exchange tubes and the movable tube plates is enhanced.

(3) Further, manholes are respectively formed in the far end, the front end pipe box and the rear end pipe box of the condensing pipe, so that personnel can maintain and observe the inner structures of the condensing pipe, the front end pipe box and the rear end pipe box conveniently, and the positions of the movable pipe plates can be adjusted conveniently.

Drawings

Fig. 1 is a schematic front view of a condenser with a variable tube side according to an embodiment of the present utility model.

Fig. 2 is a schematic structural view showing a combined state of a ring member and a moving tube sheet in a condenser with a variable tube side according to an embodiment of the present utility model.

Fig. 3 is a schematic view showing a partial structure of a connection position of a movable tube plate and a heat exchange tube in a condenser with a variable tube side according to an embodiment of the present utility model.

The reference numerals in the drawings:

1. a condensing tube; 11. a condensing medium inlet; 12. a condensing medium outlet; 13. a heat exchange tube; 131. a fixing groove; 14. a manhole; 15. a conical protrusion; 2. a ring member; 21. a first extension; 211. a fourth extension; 22. a third extension; 3. moving the tube sheet; 31. a second extension; 311. a first fixing bolt; 312. a sealing block; 313. a threaded hole; 32. a sealing collar; 321. a second fixing bolt; 322. a fixing protrusion; 33. a connection hole; 34. a closed cavity; 4. a front end pipe box; 41. a fluid inlet; 5. a rear end pipe box; 51. a first fluid outlet; 52. and a second fluid outlet.

Detailed Description

For a better understanding of the utility model with objects, features and advantages, refer to the drawings. It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the utility model to the extent that it would be understood by those skilled in the art, and that any structural modifications, proportional changes, or dimensional adjustments made in the drawings should not be construed as limiting the utility model to the full scope of the utility model without affecting the efficiency or reach of the utility model.

In the description of the present utility model, the positional or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements 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 utility model.

To more clearly describe the structure of the variable tube side condenser, the present utility model defines terms "distal end" and "proximal end", specifically, "distal end" means an end far from the ground, and "proximal end" means an end close to the ground, taking fig. 1 as an example, an end of the heat exchange tube 13 close to the condensing medium outlet 12 in fig. 1 is a distal end, and an end of the heat exchange tube 13 close to the condensing medium inlet 11 in fig. 1 is a proximal end.

Example 1

Referring to fig. 1 to 3, a condenser with a variable tube side includes a condenser tube 1, a front tube box 4 and a rear tube box 5 disposed at two ends of the condenser tube 1, an annular member 2 is disposed between the condenser tube 1 and the front tube box 4 and the rear tube box 5, a first extension portion 21 is disposed on an annular inner side of the annular member 2 along a length direction of the condenser tube 1, and a movable tube plate 3 is disposed on an annular inner side of the first extension portion 21, so that a closed space is formed among the front tube box 4, the condenser tube 1 and the rear tube box 5, the rear tube box 5 is communicated with the front tube box 4 through a heat exchange tube 13, and the movable tube plate 3 can be fixedly disposed on the first extension portion 21 at different positions along the length direction of the condenser tube 1. Specifically, the length of the heat exchange tube 13 is long enough, and when the two moving tube plates 3 are furthest apart, two ends of the heat exchange tube 13 can be respectively and fixedly connected with the two moving tube plates 3.

The following describes the specific structure of the moving tube sheet 3 as follows:

referring to fig. 1 and 2, a second extending portion 31 is disposed in the circumferential direction of the moving tube plate 3, a plurality of threaded holes 313 are formed in the second extending portion 31 in an annular manner, a plurality of threaded holes 313 are formed in the first extending portion 21 in an annular manner along the axial direction correspondingly, and the moving tube plate 3 can be fixed at different positions along the axial direction in the annular member 2 by simultaneously connecting the first extending portion 21 at different positions with the threaded holes 313 in the second extending portion 31 through the first fixing bolts 311. Specifically, the threaded holes 313 on the second extension portion 31 are aligned with the threaded holes 313 on the first extension portion 21 at different positions along the length direction of the condenser tube 1, and then the second extension portion 31 and the first extension portion 21 are connected through the threaded holes 313 in a threaded manner, so that the movable tube plates 3 are arranged in the annular member 2 at different positions along the length direction of the condenser tube 1, and the distance between the two movable tube plates 3 is changed.

Referring to fig. 1 and 2, a sealing block 312 is connected to the screw hole 313 to which the first fixing bolt 311 is not connected. Specifically, the screw holes 313 on the first extension 21 are all sealed by the first fixing bolts 311 and the sealing blocks 312, preventing the condensing medium in the condensing duct 1 from leaking from the screw holes 313.

Referring to fig. 1 and 3, the moving tube plate 3 is provided with a plurality of connection holes 33, a sealing collar 32 is disposed at the connection holes 33, and a second fixing bolt 321 is disposed between the sealing collar 32 and the moving tube plate 3. Specifically, a sealing ring (not shown in the drawing) is disposed between the movable tube plate 3 and the second extension portion 31, the sealing ring is fixedly disposed on the movable tube plate 3, the heat exchange tube 13 is inserted into the connecting hole 33 to connect the movable tube plate 3, and then the sealing collar 32 is fixed on the movable tube plate 3 by the second fixing bolt 321 to clamp the heat exchange tube 13, so as to seal the heat exchange tube 13 and the movable tube plate 3, and simultaneously limit the heat exchange tube 13 and the movable tube plate 3 to move relatively.

The specific structure of the seal tag 32 is described below:

referring to fig. 1 and 3, a fixing protrusion 322 is disposed at the annular inner side of the sealing collar 32, a plurality of fixing grooves 131 are disposed on the heat exchange tube 13 along the length direction thereof, specifically, the distance between adjacent fixing grooves 131 is equal to the distance between adjacent threaded holes 313 on the second extension 31, the fixing protrusion 322 of the sealing collar 32 is clamped into the fixing groove 131 of the heat exchange tube 13, the relative position between the sealing collar 32 and the moving tube plate 3 is further fixed, and the tightness between the sealing collar 32 and the heat exchange tube 13 is enhanced.

The specific structure of the ring-shaped member 2 is described below:

referring to fig. 1 and 2, the distal end of the ring member 2 is provided with a third extension 22. Specifically, the third extending portions 22 of the two ring members 2 are respectively welded to the front end pipe box 4 and the rear end pipe box 5, and the distance between the first extending portion 21 and the front end pipe box 4 or the rear end pipe box 5 is increased, so that the space for threaded connection between the first extending portion 21 and the second extending portion 31 is more sufficient, and the threaded connection is more stable.

Referring to fig. 1 and 2, a fourth extension 211 is disposed at the end of the first extension 21 of the ring 2. Specifically, the two fourth extension portions 211 respectively support against the inner walls of the front end pipe box 4 and the rear end pipe box 5, so that the stability of the first extension portion 21 is enhanced, and meanwhile, a closed cavity 34 is formed between the first extension portion 21 and the front end pipe box 4 and the rear end pipe box 5, and even if the condensing medium in the condensing pipe 1 leaks from the threaded hole 313, the condensing medium flows into the closed cavity 34 and does not enter the front end pipe box 4 and the rear end pipe box 5.

The specific structure of the condenser tube 1 is described below:

referring to fig. 1, the distal end, the front end pipe box 4 and the rear end pipe box 5 of the condensation pipe 1 are respectively provided with a manhole 14, the front end pipe box 4 is provided with a fluid inlet 41, and the rear end pipe box 5 is provided with a first fluid outlet 51 and a second fluid outlet 52. Specifically, the manhole 14 is convenient for personnel to maintain and observe the internal structures of the condenser tube 1, the front end tube box 4 and the rear end tube box 5, and also is convenient for personnel to adjust the position of the movable tube plate 3, fluid to be condensed flows into the front end tube box 4 from the fluid inlet 41 and flows into the rear end tube box 5 along the heat exchange tube 13, part of the fluid is condensed into liquid in the process, the fluid condensed into liquid flows out along the second fluid outlet 52, and the fluid not condensed into liquid flows out along the first fluid outlet 51.

Referring to fig. 1, a conical protrusion 15 is disposed at a distal end of the middle section of the condensation tube 1, a condensation medium outlet 12 is disposed on the conical protrusion 15, and a condensation medium inlet 11 is further disposed at a proximal end of the condensation tube 1. Specifically, the condensing medium enters from the condensing medium inlet 11, flows through the plurality of heat exchange tubes 13, absorbs a certain amount of heat, and then flows out from the condensing medium outlet 12, and the conical protrusions 15 have a guiding aggregation function, so that the vaporized condensing medium can flow out from the condensing medium outlet 12 conveniently.

The specific working procedure of the utility model is as follows:

when the tube pass of the condenser tube 1 needs to be adjusted, heat exchange is stopped firstly, after the condenser tube 1 is cooled down, a person opens a drain hole (not labeled in the figure) to discharge residual condensing medium in the condenser tube 1, the residual condensing medium enters the condenser tube 1 through a manhole 14, the first fixing bolt 311, the second fixing bolt 321 and the sealing block 312 are unscrewed one by one, the movable tube plate 3 is moved to a preset position along the axial direction, the threaded holes 313 on the first extension part 21 and the second extension part 31 are aligned, the second fixing bolt 321 is screwed into the second extension part 31 and the threaded holes 313 on the first extension part simultaneously, the movable tube plate 3 is fixed at the preset position in the annular piece 2, the heat exchange tube 13 moves along the connecting hole 33 relative to the movable tube plate 3 in the process, and the second fixing bolts 321 are screwed one by one, so that the movable tube plate 3 is fixedly connected with the heat exchange tube 13 and sealed, and the tube pass adjustment of the condenser tube 1 is completed.

Therefore, in the above-mentioned condenser with variable tube side, the movable tube plate 3 is disposed on the annular member 2, and the movable tube plate 3 can be fixedly disposed on the annular member 2 at different positions along the length direction of the condensing tube 1, and by adjusting the position of the movable tube plate 3 on the annular member 2, the tube side of the condensing tube 1 can be changed, so as to change the effective heat exchange area of the heat exchange tube 13, so as to achieve the best condensing effect.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims (9)

1. A condenser of variable tube side, characterized in that: including the condenser pipe, set up in front end pipe case and the rear end pipe case at the both ends of condenser pipe, the condenser pipe with the front end pipe case with be provided with the annular piece between the rear end pipe case respectively, the annular inboard of annular piece is followed the length direction of condenser pipe is provided with first extension, the annular inboard of first extension is provided with the removal tube sheet, makes front end pipe case, condenser pipe, rear end pipe case form airtight space respectively, the rear end pipe case with the front end pipe case passes through the heat transfer pipe intercommunication, remove the tube sheet can fix set up in follow on the first extension the different positions of condenser pipe length direction.

2. A variable tube side condenser as claimed in claim 1, wherein: the circumference of removing the tube sheet is provided with the second extension, a plurality of screw holes have been seted up to the annular on the second extension, a plurality of screw holes have been seted up along the corresponding annular of axial on the first extension, connect the screw hole on the first extension, the second extension of different positions simultaneously through first fixing bolt for will remove the tube sheet and fix along axial different positions in the ring.

3. A variable tube side condenser as claimed in claim 2, wherein: and a sealing block is connected in the threaded hole which is not connected with the first fixing bolt.

4. A variable tube side condenser as claimed in claim 1, wherein: the movable tube plate is provided with a plurality of connecting holes, sealing hoops are arranged at the connecting holes, and second fixing bolts are arranged between the sealing hoops and the movable tube plate.

5. A variable tube side condenser as set forth in claim 4, wherein: the annular inner side of the sealing hoop is provided with a fixing protrusion, and the heat exchange tube is provided with a plurality of fixing grooves along the length direction of the heat exchange tube.

6. A variable tube side condenser as claimed in claim 1, wherein: the distal end of the ring is provided with a third extension.

7. A variable tube side condenser as claimed in claim 1, wherein: the end of the first extension of the ring is provided with a fourth extension.

8. A variable tube side condenser as claimed in claim 1, wherein: manholes are respectively formed in the far end, the front end pipe box and the rear end pipe box of the condensing pipe, a fluid inlet is formed in the front end pipe box, and a first fluid outlet and a second fluid outlet are formed in the rear end pipe box.

9. A variable tube side condenser as claimed in claim 1, wherein: the middle section distal end of condenser pipe is provided with the toper arch, be provided with the condensing medium export on the toper arch, the proximal end of condenser pipe still is provided with the condensing medium entry.