Plate type air condenser
Technical field
The utility model relates to a kind of type air condenser that adopts plate Shu Zuowei heat transfer element, and it can be used for the exhaust steam condensation of thermal power plant or other purposes steam turbine.
Background technology
In the thermal power plant, condensing plant is as the important component part of Steam Turbine, play in the Turbo-generator Set thermodynamic cycle the exhaust steam in steam turbine condensation, to set up and to keep the vacuum of steam turbine exhaust outlet, make steam turbine keep lower exhaust steam pressure, reclaim condensate water simultaneously and recycle,, improve the important function of steam turbine equipment performance driving economy to reduce the water resource loss.
Device of air is coagulated in existing power station water-cooled and two kinds of forms of air cooling, air-cooling apparatus all is a fin tube type, and the fin tube type type air condenser thermal efficiency is low and be prone to degradation problem under dust stratification, obstruction, fouling, bursting by freezing and the cooling effect behind the long-term operation, and this type of device of great majority adopts multitube row structure, problems such as bias current even refluence very easily occur.
The utility model content
The purpose of this utility model provides a kind of plate type air condenser, solves the problem of antifreeze, fouling, dust stratification under the low prerequisite of heat transfer efficiency height, good cooling results, energy consumption, and guarantees that long period moves reliably.
The purpose of this utility model is achieved in that a kind of plate type air condenser, comprises blower fan, support, platform, windbreak, heat transfer element,
Platform is arranged on the support, and blower fan is equipped with in the platform below, and " A " font framework is equipped with in the platform top, around " A " font framework windbreak is housed, and is hung with board-like heat transfer element of following current and the board-like heat transfer element of adverse current on the two sides of " A " font framework; The distribution of steam pipe is equipped with in the upper end of " A " font framework, and the lime set collecting pipe is equipped with in two lower ends of " A " font framework, and exhaust tube is equipped with on the top of " A " font framework both sides;
Vertical runner upper end of the board-like heat transfer element of following current of described " A " font framework both sides all is communicated with the distribution of steam pipe, and vertical runner lower end of the board-like heat transfer element of following current of " A " font framework both sides is communicated with described two lime set collecting pipes respectively;
Vertical runner upper end of the board-like heat transfer element of adverse current of described " A " font framework both sides is communicated with exhaust tube respectively, and vertical runner lower end of the board-like heat transfer element of adverse current of " A " font framework both sides is communicated with described two lime set collecting pipes respectively.
Each is made of board-like heat transfer element of described following current and the board-like heat transfer element of adverse current at least one group of plate bundle, and the plate bundle that constitutes the board-like heat transfer element of adverse current is identical with the plate bundle structure that constitutes the board-like heat transfer element of following current; Every group of plate bundle is by a plurality of structures identical superimposed composition of plate pipe, each plate pipe is made up of two identical corrugated cardboard sheets of structure, every corrugated cardboard sheet is a rectangle, the center of corrugated cardboard sheet is a corrugated regions, be useful on the edge of welding around the corrugated regions, corrugated regions has latticed ripple, this latticed ripple is made of many seniority among brothers and sisters ripple and the mutual cross arrangement of many arrangement ripples, every seniority among brothers and sisters ripple is rearranged by a plurality of discrete bar shaped dimpled grains or bar shaped burr, every arrangement ripple is rearranged by a plurality of discrete bar shaped burrs or bar shaped dimpled grain, capable ripple on every corrugated cardboard sheet is opposite with the convex-concave direction of train wave line, and adjacent two capable ripples and adjacent two train wave lines constitute a tetragonal grid cell;
Described two corrugated cardboard sheets are to go ripple to going ripple or train wave line to plate pipe of train wave line butt joint amalgamation composition, vertical edge that these two corrugated cardboard sheets are adjacent welds together, and the passage that the space forms between space or the train wave line between these two capable ripples of corrugated cardboard sheet is vertical runner of medium;
Described each plate Guan Yihang ripple is superimposed to the train wave line to row ripple or train wave line, and the widthwise edge between the adjacent panels pipe is along welding together, and the passage that the space forms between space or the train wave line between the capable ripple of adjacent two plate pipes is the transverse flow channels of medium.
There is bending backward at vertical edge of described corrugated cardboard sheet, and widthwise edge is along the bending that has forward.
Described capable ripple or train wave line are a kind of in rectangle, Long Circle, the oval.
Described quadrilateral mesh unit be shaped as a kind of in rectangle, square, the parallelogram, also can be other shape.
The capable ripple of described every corrugated cardboard sheet is identical with the height of train wave line, and described vertical runner is identical with the height of transverse flow channels.
The capable ripple of described every corrugated cardboard sheet is different with the height of train wave line, and described vertical runner is different with the height of transverse flow channels.
The utility model has following positive beneficial effect:
Adopt corrugated cardboard sheet as heat transfer element,, be overlapped into the plate bundle, condense under the effect of the steam chilled air cools in plate bundle transverse flow channels in the vertical runner of plate bundle by the plate pipe by corrugated cardboard sheet composing plate pipe.Corrugated cardboard sheet smooth surface, higher wind speed are at smooth corrugated surface turbulent extent height, and less scaling and dust stratification has solved equipment dust stratification problem when improving heat transfer efficiency;
The ripple of plate has guiding, supporting role, does not need to set up support member in the runner that the superimposed back of corrugated cardboard sheet forms, and equipment is compact more.Plate Shu Caiyong veneer row structure has solved fundamentally that thermic load is inhomogeneous, bias current and problem such as freeze.
Steam and lime set flow from top to bottom in the board-like heat transfer element of following current, enter lime set collection case, and lime set is drained, and in the board-like heat transfer element of adverse current, entrained steam and fixed gas flow from bottom to top, and the entrained steam lime set flows from top to bottom; Fixed gas is taken away, flows into the collection case after the entrained steam condensation downwards, and realizes that the plate bundle is antifreeze.
The plate groups poststack forms straight-through runner horizontal and vertical no dead band respectively in plate bundle both sides.Air and steam laterally with in the runner that vertically leads directly to are flowing respectively, and two groups of media are staggered direction and flow, and have higher heat exchange efficiency.Can realize mechanical cleaning way.Adopt Welding Structure between the corrugated cardboard sheet, solve sealing problem between plate, guaranteed device long period reliability service.
Description of drawings
Fig. 1 is the structural representation of the utility model one embodiment;
Fig. 2 be among Fig. 1 A to view;
Fig. 3 is the enlarged drawing of B part among Fig. 1;
Fig. 4 is the enlarged drawing of C part among Fig. 1;
Fig. 5 is the enlarged drawing of D part among Fig. 2;
Fig. 6 is the enlarged drawing of E part among Fig. 2;
Fig. 7 is the structural representation of the utility model plate bundle one embodiment;
Fig. 8 is that the F of Fig. 7 is to view;
Fig. 9 is that the G of Fig. 7 is to view;
Figure 10 is the perspective view of a plate pipe among Fig. 7;
Figure 11 is Figure 10 decomposition texture schematic diagram;
Figure 12 is the front view of Figure 10;
Figure 13 is the upward view of Figure 12;
Figure 14 is the side view of Figure 12;
Figure 15 is the front view of another embodiment of corrugated cardboard sheet of the present utility model;
Figure 16 is the embodiment one of I partial enlarged drawing among Figure 15;
Figure 17 is the embodiment two of I partial enlarged drawing among Figure 15;
Figure 18 is the front view of the another embodiment of corrugated cardboard sheet of the present utility model;
Figure 19 is the embodiment one of II partial enlarged drawing among Figure 18;
Figure 20 is the embodiment two of II partial enlarged drawing among Figure 18.
The specific embodiment
Accompanying drawing number
1. plate bundle 2. plate pipes 3. plates 301. row ripples 302. train wave lines
303. vertically 304. vertical edges, edge, 305. widthwise edges are along 306. widthwise edge edges
4. plate 401. row ripples 402. train wave lines 403. vertical edges
404. vertically edge 405. widthwise edges along 406. widthwise edges along 5. vertical runners
6. transverse flow channels 7. exhaust tubes 8. supports 9. blower fans 10. platforms
11. lime set collecting pipe 12. " A " font framework 13. windbreaks 14. distribution of steam pipes
15. board-like heat transfer element 17. dividing plates of board-like heat transfer element 16. adverse currents of following current 18. plate bundles
19. arrow 20. arrows 21. arrows 22. arrows
Please refer to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, the utility model is a kind of plate type air condenser, its structure is: platform 10 is arranged on the support 8, blower fan 9 is equipped with in platform 10 belows, " A " font framework 12 is equipped with in platform 10 tops, around " A " font framework 12, windbreak 13 is housed, is hung with board-like heat transfer element 15 of following current and the board-like heat transfer element 16 of adverse current on the two sides of " A " font framework 12.
Distribution of steam pipe 14 is equipped with in the upper end of " A " font framework 12, and lime set collecting pipe 11 is equipped with in two lower ends of " A " font framework 12; Exhaust tube 7 is equipped with on the top of " A " font framework both sides.
Vertical runner upper end of the board-like heat transfer element 15 of following current of " A " font framework both sides all is communicated with distribution of steam pipe 14, and vertical runner lower end of the board-like heat transfer element 15 of following current of " A " font framework both sides is communicated with described two lime set collecting pipes 11 respectively.
Vertical runner upper end of the board-like heat transfer element 16 of adverse current of " A " font framework both sides is communicated with exhaust tube 7 respectively, and this exhaust tube 7 is connected with vavuum pump.Vertical runner lower end of the board-like heat transfer element 16 of adverse current of " A " font framework both sides is communicated with described two lime set collecting pipes 11 respectively.
Steam enters the board-like heat transfer element 15 of following current by distribution of steam pipe 14, under 9 effects of large power shaft flow fan, air is bottom-up to flow, and is horizontally through the transverse flow channels of the board-like heat transfer element 15 of following current, makes the steam condensation in the board-like heat transfer element 15 vertical runners of following current.After the air cooling, lime set enters lime set collecting pipe 11; Entrained steam in the lime set collecting pipe 11 and fixed gas enter the board-like heat transfer element 16 of adverse current, enter lime set collecting pipe 11 through the cooled entrained steam lime set of air under the gravity effect, and fixed gas is drawn out of via exhaust tube 7.Arrow 19 is the flow direction of steam among Fig. 2, and arrow 20 is the flow direction of condensing not, and arrow 21 is the flow direction of lime set.Arrow 22 is the flow direction of air among Fig. 1.
Please refer to Fig. 1, Fig. 2, Fig. 7, Fig. 8, Fig. 9, board-like heat transfer element 15 of following current of the present utility model and the board-like heat transfer element 16 of adverse current all are to be made of many groups plate bundle, in the present embodiment, the board-like heat transfer element 15 of following current is made of eight groups of plate bundles 1, each is organized dividing plate 17 between the plate bundle 1, the board-like heat transfer element 16 of adverse current is made of two groups of plate bundles 18, plate bundle 18 is identical with the structure of plate bundle 1, every group of plate bundle 1 is by a plurality of structures identical 2 superimposed compositions of plate pipe, please refer to Figure 10, Figure 11, Figure 12, Figure 13, Figure 14, each plate pipe 2 is by two corrugated cardboard sheets 3,4 form, this corrugated cardboard sheet 3 is identical with the structure of corrugated cardboard sheet 4, corrugated cardboard sheet 3 is a rectangle, the center of corrugated cardboard sheet 3 is a corrugated regions, the edge that has around the corrugated regions, corrugated regions has latticed ripple, this latticed ripple is made of many seniority among brothers and sisters ripple and the mutual cross arrangement of many arrangement ripples, every seniority among brothers and sisters ripple 301 is rearranged by a plurality of discrete bar shaped dimpled grains, every arrangement ripple 302 is rearranged by a plurality of discrete bar shaped burrs, capable ripple 301 on every corrugated cardboard sheet is opposite with the convex-concave direction of train wave line 302, and adjacent two capable ripples 301 constitute a tetragonal grid cell with adjacent two train wave lines 302.
Corrugated cardboard sheet 4 oppositely docks amalgamation with corrugated cardboard sheet 3 forms a plate pipe 2, the mode of amalgamation is that the train wave line 402 of corrugated cardboard sheet 4 docks with the train wave line 302 of corrugated cardboard sheet 3, these two corrugated cardboard sheets, 3,4 adjacent vertical edges 303 and 403 weld together, 304 and 404 weld together, thereby with vertical both sides sealing, the passage that the space forms between these two corrugated cardboard sheets, 3,4 train wave lines is vertical runner 5, please refer to Fig. 1, Fig. 2, Fig. 4, Fig. 8, and steam passes through from vertical runner 5.
Please refer to Fig. 8, Fig. 9, Figure 10, Figure 11, Figure 12, Figure 13, Figure 14, each adjacent panels pipe 2 with go ripple to the row ripple superimposed, superimposed order is that the capable ripple 401 that is positioned at the plate pipe 2 in the place ahead docks with the capable ripple 301 of the adjacent plate pipe 2 that is positioned at the rear, widthwise edge adjacent between the plate pipe 2 is along welding together, the order of welding is to be positioned at the widthwise edge of plate pipe 2 in the place ahead along 405,406 respectively with the widthwise edge of the adjacent plate pipe 2 that is positioned at the rear along 305,306 weld together, thereby both lateral sides is sealed, the passage that the space forms between adjacent two plate pipes, the 2 row ripples is a transverse flow channels 6, please refer to Fig. 1, Fig. 2, Fig. 5, Fig. 6, shown in Figure 9, air passes through from transverse flow channels 6.
Please refer to Figure 10, Fig. 1, the bending that the vertical edge that is positioned at top corrugated cardboard sheet 3 303,304 in two corrugated cardboard sheets 3,4 of a plate pipe 2 of composition has backward, because of corrugated cardboard sheet 4 opposite with the direction of corrugated cardboard sheet 3, so be positioned at the back corrugated cardboard sheet 4 vertical edge 403,404 wrap direction forward, the effect of bending is that two vertical edges that both guaranteed each plate pipe 2 can weld together hermetically, guarantees that again the train wave line between two corrugated cardboard sheets 3,4 contacts.Make plate 3,4 have higher bearing capacity, 3,4 of plates do not need to increase support member.
Please refer to Fig. 8, Fig. 9, Figure 10, Figure 11, Figure 12, Figure 13, Figure 14, during the superimposed composing plate bundle 1 of plate pipe 2, the widthwise edge of corrugated cardboard sheet 3 of plate pipe 2 that is positioned at the back is along 305,306 bendings that have forward, because of the direction of the adjacent corrugations plate between the adjacent panels pipe 2 is opposite, thus be positioned at the front plate pipe 2 correspondence corrugated cardboard sheet 4 the bending of widthwise edge along 405,406 backward.The effect of bending is both to have guaranteed that the widthwise edge of adjacent panels pipe 2 along being sealed, guaranteed that again the capable ripple between the two plate pipes contacts, and makes to have higher bearing capacity between the plate pipe 2, does not need to increase support member between the plate pipe 2.
Please refer to Figure 15, Figure 16, Figure 17, row ripple or train wave line be Long Circle (runway circle) as shown in figure 16, also can be oval as shown in figure 17, also can be other shape.Figure 16, embodiment illustrated in fig. 17 in, the center line of row ripple, train wave line be respectively horizontal line and vertical curve, the tetragonal grid cell of adjacent two capable ripples 301 and adjacent two train wave lines, 302 formations be shaped as square.
Please refer to Figure 18, Figure 19, Figure 20, in the present embodiment, the center line of row ripple, train wave line with respectively with horizontal line and vertical curve at angle, the tetragonal grid cell of adjacent two capable ripples 301 and adjacent two train wave lines, 302 formations be shaped as flat shape quadrangle.
Please refer to Fig. 8, Fig. 9, the height H 1 of the capable ripple of every corrugated cardboard sheet and the height H 2 of train wave line are with identical, and behind its composing plate bundle 1, vertically runner 5 is identical with the height of transverse flow channels 6.The height H 1 of the capable ripple of every corrugated cardboard sheet and train wave line height H 2 also can be different, behind its composing plate bundle 1, vertically runner 5 is inequality with the height of transverse flow channels 6.To adapt to the requirement of different operating medium operating mode.The plate bundle 18 that constitutes the board-like heat transfer element 16 of adverse current is identical with plate bundle 1 structure that constitutes the board-like heat transfer element 15 of following current.