Corrugated tube sleeve type fixed tube sheet heat exchanger

Abstract

The utility model relates to the technical field of heat exchangers, in particular to a corrugated tube sleeve type fixed tube sheet heat exchanger, which comprises a heat exchanger main body, corrugated tubes are uniformly distributed in the heat exchanger main body, tube joints are uniformly and integrally arranged outside the corrugated tubes at intervals, sleeves are sleeved outside the corrugated tubes, and the length of the sleeves is larger than that of the corrugated tubes. A first flow guide plate and a second flow guide plate are further arranged on the two sides between the corrugated pipe and the sleeve respectively, a second fixing pipe plate and a first fixing pipe plate are arranged at the two ends of the corrugated pipe and the two ends of the sleeve respectively, and a barrel is arranged on the heat exchanger body. According to the corrugated tube sleeve type fixed tube sheet heat exchanger, the sleeve is arranged outside the corrugated tube, so that three fluids which are not communicated with one another can respectively circulate in the corrugated tube, between the corrugated tube and the sleeve and outside the sleeve, and the flow guide plates are designed between the corrugated tube and the sleeve, so that the impact of the fluids can be increased, and the heat exchange effect of the heat exchanger is improved; and the stability of the connection between the corrugated pipe and the sleeve is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to heat exchanger technical field, concretely is a kind of bellows pipe double-pipe fixed tube plate heat exchanger. BACKGROUND

[0002] Heat exchanger is a kind of equipment widely used in industry and daily life, for passing heat between two or more fluids, and these fluids do not directly contact each other. Bellows pipe heat exchanger increases the turbulence degree of fluid through the special shape of bellows pipe, thereby improving the heat exchange efficiency.

[0003] The existing bellows pipe heat exchanger can form two independent fluid channels by designing double-pipe outside the bellows pipe, such as the bellows pipe double-pipe fixed tube plate heat exchanger disclosed in publication No. CN203464805U, which uses bellows pipe double-pipe, changes the original single-side heat exchange into double-side heat exchange, improves the heat transfer performance and heat transfer coefficient, and at the same time, reduces the temperature difference stress. When the temperature difference is large, no compensation ring is needed. However, the fluid fluctuation between the bellows pipe and the external double-pipe is only processed by the external characteristics of the bellows pipe, which leads to insufficient fluid impact force between the bellows pipe and the external double-pipe, affecting the heat exchange effect of the fluid outside the bellows pipe. SUMMARY

[0004] The utility model aims to provide a kind of bellows pipe double-pipe fixed tube plate heat exchanger to solve the problem of insufficient fluid impact force between the bellows pipe and the external double-pipe on the market, which leads to insufficient fluid impact force between the bellows pipe and the external double-pipe, affecting the heat exchange effect of the fluid outside the bellows pipe.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of bellows pipe double-pipe fixed tube plate heat exchanger, comprising a heat exchanger main body, the heat exchanger main body is equipped with evenly distributed bellows pipe, and the bellows pipe is integrally provided with tube joint outside evenly and at intervals, the bellows pipe is provided with double-pipe outside, and the length of double-pipe is longer than the length of bellows pipe, and the two sides between bellows pipe and double-pipe are also respectively provided with first flow guide plate and second flow guide plate, and the two ends of bellows pipe and double-pipe are respectively provided with second fixed tube plate and first fixed tube plate, the heat exchanger main body is equipped with cylinder, and the two ends of cylinder are respectively connected with first tube box and second tube box, the first fixed tube plate and second fixed tube plate are gap matched, and the first fixed tube plate and second fixed tube plate are jointly installed at the two ends of cylinder.

[0006] Preferably, the first fixed tube plate and the second fixed tube plate are the same size, and the first fixed tube plate and the second fixed tube plate are respectively provided with first plug-in hole and second plug-in hole corresponding in position, and the first plug-in hole and the second plug-in hole are respectively sealed and fastened with the double-pipe and the bellows pipe.

[0007] Preferably, the first and second flow guide plates are both spiral curved sector structures, and the first and second flow guide plates are arranged in a spaced manner.

[0008] Preferably, the first and second flow guide plates are respectively welded and fixed with the wave tube, and outer ring parts of the first and second flow guide plates are respectively tightly connected with inner walls of the sleeve.

[0009] Preferably, the first and second tube boxes are respectively communicated with a wave tube fluid inlet and a wave tube fluid outlet, and the wave tube fluid inlet and the wave tube fluid outlet are communicated with the wave tube.

[0010] Preferably, the sleeve is fixed with the sleeve fluid inlet and the shell fluid inlet on one side of the upper end of the sleeve, and is provided with the shell fluid outlet and the sleeve fluid outlet on the other side of the lower end of the sleeve, the sleeve fluid inlet and the sleeve fluid outlet are communicated between the first and second fixed tube plates, and the shell fluid inlet and the shell fluid outlet are communicated with the area between the first fixed tube plate.

[0011] Compared with the prior art, the wave tube sleeve type fixed tube plate heat exchanger has the advantages that the wave tube sleeve type fixed tube plate heat exchanger is provided with a sleeve outside the wave tube, so that the wave tube interior, the wave tube and the sleeve, and the sleeve exterior can respectively flow three kinds of fluids which are not communicated with each other, the flow guide plates are designed between the wave tube and the sleeve, so that the impact of the fluid can be increased, the heat exchange effect of the heat exchanger is improved, and the stability of the connection between the wave tube and the sleeve is ensured. The wave tube sleeve type fixed tube plate heat exchanger is provided with the first and second flow guide plates between the wave tube segments, so that the flow guide plates are designed in a spiral manner, the fluid can be guided and treated, the flow direction of the fluid is changed, and efficient heat exchange treatment is realized. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a wave tube and sleeve type fixed tube plate heat exchanger wave tube and sleeve respectively with the second fixed tube plate and the first fixed tube plate connection structure schematic view of the utility model;

[0013] Figure 2 It is a wave tube sleeve type fixed tube plate heat exchanger second fixed tube plate structure schematic view of the utility model;

[0014] Figure 3 It is a wave tube sleeve type fixed tube plate heat exchanger sleeve relative to the wave tube position structure schematic view of the utility model;

[0015] Figure 4 It is a wave tube sleeve type fixed tube plate heat exchanger wave tube structure schematic view of the utility model;

[0016] Figure 5 Figure is the connection structure schematic view of the wave tube of the wave tube sleeve type fixed tube sheet heat exchanger, first flow guide plate and second flow guide plate;

[0017] Figure 6 Figure is the internal structure side view of the wave tube sleeve type fixed tube sheet heat exchanger;

[0018] Figure 7 Figure is the internal structure side view of the wave tube sleeve type fixed tube sheet heat exchanger.

[0019] In the figure: 1, wave tube; 101, pipe joint; 2, sleeve; 3, first fixed tube sheet; 301, first plug hole; 4, second fixed tube sheet; 401, second plug hole; 5, first flow guide plate; 6, second flow guide plate; 7, heat exchanger main body; 8, first tube box; 801, wave tube fluid inlet; 9, cylinder; 901, sleeve fluid inlet; 902, shell side fluid inlet; 903, shell side fluid outlet; 904, sleeve fluid outlet; 10, second tube box; 1001, wave tube fluid outlet; 11, perforated baffle. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0021] Please refer to Figures 1-7The utility model provides a technical scheme: a kind of bellow sleeve pipe type fixed tube sheet heat exchanger, including heat exchanger main body 7, the even distribution bellow 1 being equipped in heat exchanger main body 7, and bellow 1 outside even interval integrally is equipped with pipe joint 101, bellow 1 outside is equipped with sleeve 2, and the length of sleeve 2 is longer than the length of bellow 1, and two sides between bellow 1 and sleeve 2 are also equipped with first guide vane 5 and second guide vane 6 respectively, first guide vane 5 and second guide vane 6 are all spiral curved sector structure, and first guide vane 5 and second guide vane 6 are arranged at intervals, this structure can be guided to the fluid between bellow 1 and sleeve 2 by first guide vane 5 and second guide vane 6 and process, can change the direction of fluid, to enhance the turbulence degree, strengthen the heat exchange effect of fluid between bellow 1 and sleeve 2, ensure that the efficient heat exchange treatment of fluid in sleeve 2 and bellow 1 and outside sleeve 2, first guide vane 5 and second guide vane 6 are respectively welded with bellow 1, and the outer ring part of first guide vane 5 and second guide vane 6 is respectively fastened with sleeve 2 inner wall clamping, this structure is stably connected to first guide vane 5 and second guide vane 6 and bellow 1, can be positioned to the sleeve 2 and bellow 1 of sleeve, to carry out the installation positioning treatment of sleeve 2 and bellow 1, and improve the stability of relative position between bellow 1 and sleeve 2, and the both ends of bellow 1 and sleeve 2 are equipped with second fixed tube sheet 4 and first fixed tube sheet 3 respectively, first fixed tube sheet 3 and second fixed tube sheet 4 are same in size, and first fixed tube sheet 3 and second fixed tube sheet 4 are respectively provided with first plug-in hole 301 and second plug-in hole 401 corresponding in position, and first plug-in hole 301 and second plug-in hole 401 are respectively sealed with sleeve 2 and bellow 1 fastening clamping, this structure can let sleeve 2 be installed stably by first fixed tube sheet 3, and second fixed tube sheet 4 is installed stably to bellow 1, to ensure that bellow 1 and sleeve 2 are relatively stable, heat exchanger main body 7 is equipped with cylinder 9, and cylinder 9 two ends are respectively connected with first pipe box 8 and second pipe box 10, first pipe box 8 and second pipe box 10 are respectively communicated with bellow fluid inlet 801 and bellow fluid outlet 1001, and bellow fluid inlet 801 and bellow fluid outlet 1001 are communicated with bellow 1, this structure can let the fluid in bellow 1 be in and out by bellow fluid inlet 801 and bellow fluid outlet 1001, first fixed tube sheet 3 and second fixed tube sheet 4 are gap fit, and first fixed tube sheet 3 and second fixed tube sheet 4 are jointly installed in the both ends of cylinder 9, the inside of cylinder 9 is respectively equipped with the perforated baffle 11 of fixed sleeve 2 outside, and cylinder 9 upper end one side is fixed with sleeve fluid inlet 901 and shell side fluid inlet 902, and the lower end of cylinder 9 another side is equipped with shell side fluid outlet 903 and sleeve fluid outlet 904, sleeve fluid inlet 901 and sleeve fluid outlet 904 are communicated to between first fixed tube sheet 3 and second fixed tube sheet 4,And the shell side fluid inlet 902 and the shell side fluid outlet 903 are communicated with the area between the first fixed tube plate 3, which can make the fluid between the wave tube 1 and the sleeve tube 2 pass through the sleeve tube fluid inlet 901 and the sleeve tube fluid outlet 904, and the fluid outside the sleeve tube 2 pass through the shell side fluid inlet 902 and the shell side fluid outlet 903.

[0022] Working principle: when using the wave tube sleeve type fixed tube plate heat exchanger, first, the heat exchanger body 7 is sealed and matched with the first tube box 8 and the second tube box 10 during work, the fluid between the wave tube 1 passes through the wave tube fluid inlet 801 and the wave tube fluid outlet 1001 to enter the wave tube 1 from the first tube box 8, and then is discharged from the second tube box 10, the fluid in the wave tube 1 changes the flow direction through the pipe joint 101, thereby enhancing the turbulence degree and ensuring the heat exchange effect, the second fixed tube plate 4 reliably positions the wave tube 1 through the second plug-in hole 401, the fluid between the wave tube 1 and the sleeve tube 2 passes through the sleeve tube fluid inlet 901 and the sleeve tube fluid outlet 904, the fluid changes the flow direction through the cooperation of the pipe joint 101 and the first guide plate 5 and the second guide plate 6, thereby greatly enhancing the turbulence degree and ensuring the heat exchange effect of the fluid inside and outside the wave tube 1, the first fixed tube plate 3 reliably positions the sleeve tube 2 through the first plug-in hole 301, the fluid outside the sleeve tube 2 passes through the shell side fluid inlet 902 and the shell side fluid outlet 903, and cooperates with the perforated baffle 11 to enhance the turbulence and ensure the heat exchange effect, thereby completing a series of work.

[0023] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A wave-sleeve fixed tube sheet heat exchanger comprising a heat exchanger body (7), characterised in that: The heat exchanger body (7) is provided with uniformly distributed wave tubes (1), and the wave tubes (1) are uniformly and integrally provided with tube joints (101) outside, the wave tubes (1) are provided with sleeve pipes (2) outside, the length of the sleeve pipes (2) is longer than the length of the wave tubes (1), and the two sides between the wave tubes (1) and the sleeve pipes (2) are respectively provided with first guide plates (5) and second guide plates (6), and the two ends of the wave tubes (1) and the sleeve pipes (2) are respectively provided with second fixed tube plates (4) and first fixed tube plates (3), the heat exchanger body (7) is provided with a cylinder (9), and the two ends of the cylinder (9) are respectively connected with a first tube box (8) and a second tube box (10), the first fixed tube plate (3) and the second fixed tube plate (4) are gap-fitted, and the first fixed tube plate (3) and the second fixed tube plate (4) are jointly installed at the two ends of the cylinder (9).

2. A wave-sleeve fixed tube sheet heat exchanger according to claim 1, wherein: The first fixed tube plate (3) and the second fixed tube plate (4) are the same in size, the first fixed tube plate (3) and the second fixed tube plate (4) are respectively provided with first plug holes (301) and second plug holes (401) corresponding in position, and the first plug holes (301) and the second plug holes (401) are respectively sealed and fastened with the sleeve pipes (2) and the wave tubes (1).

3. A bell and spool fixed tube sheet heat exchanger according to claim 1, wherein: The first guide plate (5) and the second guide plate (6) are both spiral curved sector structures, and the first guide plate (5) and the second guide plate (6) are arranged at intervals.

4. A bell and spool fixed tube sheet heat exchanger according to claim 1, wherein: The first guide plate (5) and the second guide plate (6) are respectively welded and fixed with the wave tubes (1), and the outer ring parts of the first guide plate (5) and the second guide plate (6) are respectively fastened with the inner walls of the sleeve pipes (2).

5. A bell and spool fixed tube sheet heat exchanger according to claim 1 wherein: The first tube box (8) and the second tube box (10) are respectively communicated with wave tube fluid inlets (801) and wave tube fluid outlets (1001), and the wave tube fluid inlets (801) and the wave tube fluid outlets (1001) are communicated with the wave tubes (1).

6. A bell and spool fixed tube sheet heat exchanger according to claim 1 wherein: The cylinder (9) is provided with perforated baffles (11) fixed outside the sleeve pipes (2) at the upper and lower parts, the cylinder (9) is fixed with a sleeve pipe fluid inlet (901) and a shell side fluid inlet (902) on one side of the upper end, and the cylinder (9) is provided with a shell side fluid outlet (903) and a sleeve pipe fluid outlet (904) on the other side of the lower end, the sleeve pipe fluid inlet (901) and the sleeve pipe fluid outlet (904) are communicated between the first fixed tube plate (3) and the second fixed tube plate (4), and the region between the shell side fluid inlet (902) and the shell side fluid outlet (903) and the first fixed tube plate (3) is communicated.

Images