CN205580259U

CN205580259U - Snakelike bank of tubes and heat exchange device

Info

Publication number: CN205580259U
Application number: CN201620066516.0U
Authority: CN
Inventors: 谢岩; 周群英
Original assignee: Shanghai Yinguo Thermal Equipment Co Ltd
Current assignee: Shanghai Yinguo Thermal Equipment Co Ltd
Priority date: 2016-01-22
Filing date: 2016-01-22
Publication date: 2016-09-14
Anticipated expiration: 2026-01-22

Abstract

The utility model discloses a snakelike bank of tubes and heat exchange device for produce the heat exchange with the fluid medium in the external world, include the coiled pipe, be fixed with the frame of coiled pipe, import concentric reducer and export concentric reducer, a plurality of coiled pipe stagger arrangement that is parallel to each other lies in two adjacent parent tube in -line arrangement on the same coiled pipe, the frame includes left frame of being connected with the import concentric reducer and the right frame of being connected with the export concentric reducer, fluid medium gets into frame and the contact of the snakelike bank of tubes through the import concentric reducer to flow through the export concentric reducer. The utility model discloses an advantage and beneficial effect lie in: operational environment's adaptability is high, has increased heat exchange device's heating area and whole coefficient of heat transfer, has improved heat exchange efficiency, has reduced requirement and investment cost to arranging the space, do not have the adhesion between the fin and alternately be difficult for the deposition.

Description

A kind of snake-like tube row and heat-exchange device

Technical field

This utility model relates to heat exchanger field, particularly to a kind of snake-like tube row and heat-exchange device.

Background technology

Heat exchange is precisely due to the temperature difference and heat transfer process between two objects or the same object each several part that cause； And heat exchanger is heat exchange is used to make heat be delivered to cold flow body from hot fluid, with the device of the technological requirement of satisfied regulation, It it is a kind of commercial Application of convection heat transfer' heat-transfer by convection and conduction of heat；

Current spiral finned tube and H type finned tube heating surface are widely used in heat exchanger or radiator field, have stagger arrangement With two kinds of arrangements of in-line.The spiral finned tube of stagger arrangement or in-line arrangement is selecting base tube or the extended surface tube that heat conductivity is higher There is in the case of material the advantage that heat-transfer effect is good, arrangement space requirement is little, but all can produce dust stratification and the phenomenon of stifled ash, directly To the extensive application of H type finned tube, the phenomenon of dust stratification and stifled ash is just taken on a new look, and only drawback is that due to H type finned tube Special shape, cause it the most all to use in-line arrangement mode, and the mode of heating surface in-line arrangement its pass Thermal effect compares to be staggered in arrangement and seem the most inferior, furthermore, due to the special shape of H type finned tube, by its stagger arrangement cloth The design put and research aspect create certain obstacle to numerous designers.

Utility model content

In order to solve the problems referred to above, this utility model provides a kind of snake-like tube row and heat-exchange device.The technical program solution Determine problems with:

1, the H type finned tube heating surface using butt-joint mode to make is higher to the adaptability of working environment；Add heat friendship The heating surface area of changing device, can save the arrangement space needed for not heating surface；

2, use base tube stagger arrangement, the arrangement of fin in-line, still formed between the fin of each coil and advise one by one Medium flow channels then, does not has adhesion and intersection, thus inherits H type finned tube under in-line arrangement mode and be heated between fin Face is difficult to the advantage of dust stratification, prevents the probability of dust stratification from structure；

3, snake-like tube row uses and is staggered in arrangement the overall heat transfer coefficient that improve heat-exchange device, is conducive to reducing heating surface Long-pending, reduce the requirement to arrangement space, reduce cost of investment.

A kind of snake-like tube row in this utility model, for producing heat exchange, described coil with extraneous fluid media (medium) Package includes several coils；Described coil is consisted of several connecting bend head and the tail connections several finned tubes, institute State finned tube and include base tube and fin；Several coils described are parallel to each other and along the radial direction stagger arrangement cloth successively of described base tube Put, be positioned at two base tube in-line arrangements adjacent on same described coil.

In such scheme, being positioned at the fin in-line arrangement of same described coil, the fin of several coils described is suitable Row are arranged.

In such scheme, described fin has several, and several described fins along the axial arranged of described base tube and connect It is connected on the lateral wall of described base tube；Described fin is transverse fin, and described finned tube is H type finned tube；Described fin and institute State base tube to be connected by butt-joint mode.

A kind of heat-exchange device, including above-mentioned snake-like tube row；Described heat-exchange device also includes framework, import concentric reducer With outlet concentric reducer；Described framework includes the left side frame being positioned at described frame left, is positioned at the right side frame of described frame right, position In the end face frame of described frame roof, it is positioned at the bottom surface frame of described base of frame, is positioned at front plane frame and the position of described frame front Frame after described frame rear portion；Described import concentric reducer is connected with described front plane frame, described outlet concentric reducer with described after Surface frame connects；Described snake-like tube row is arranged in described lower portion, the axial left and right directions one with described framework of described base tube Cause.

In such scheme, described coil extends along direction before and after described framework, and several of described coil connect Elbow is sequentially arranged at intervals in the left side frame of described framework and in the frame of the right side；

Described end face frame and described bottom surface frame are respectively fixed with top backplate and end backplate, make described lower portion at top and It is isolated from the outside on the direction of bottom；Described left side frame and described right side frame are respectively fixed with left support plate and right support plate, make Described lower portion is isolated from the outside on the direction on left side and right side；Described left support plate is fixed on described left side frame towards institute Stating the side of lower portion, described right support plate is fixed on the described right side frame side towards described lower portion；It is positioned at described Described connecting bend in the frame of the left side passes described left support plate, and the described connecting bend being positioned at described right side frame passes described Right support plate；

Described left side frame and described right side frame are also respectively fixed with left backplate and right backplate, and described left backplate is fixed on described The side of the most described lower portion of left side frame, makes the connecting bend being positioned at described left side frame be isolated from the outside, and the described right side is protected Plate is fixed on the side of the described right side the most described lower portion of frame, make to be positioned at the connecting bend of described right side frame with extraneous every From.

In such scheme, described heat-exchange device also includes that import header and outlet header, described import header are positioned at institute Stating the side of the described frame below of frame center, right side deflection, described outlet header is positioned at frame center, the described right side and is partial to described front plane frame Side, described import header and described outlet header be separately fixed on the frame of the described right side, described import header and outlet collection Case runs through described right backplate along the top and bottom direction of described framework respectively.

In such scheme, the base tube of adjacent two described coils is staggered in arrangement on direction before and after described framework, institute State two ports of coil to be each passed through described right support plate and be connected with described import header and described outlet header.

In such scheme, described fluid media (medium) enters described lower portion and described snake-like tube row from described import concentric reducer Contact, and flow out through described outlet concentric reducer；The described finned tube with described one of them port of coil is positioned at described frame Frame inside center is partial to described front plane frame side, and is connected with described outlet header；There is described another port of coil Described finned tube is positioned at the described frame side below of described lower portion center deflection, and is connected with described import header；Described enter Mouth header is filled with heat exchange medium, and described heat exchange medium enters described outlet header through described coil, is formed described snakelike The counter-flow arrangement of bank of tubes.

Advantage of the present utility model and having the beneficial effects that: a kind of coil that this utility model provides, heat-exchange device And the method for arranging of snake-like tube row, have the following advantages and beneficial effect,

1, higher to the adaptability of working environment, and add the heating surface area of heat-exchange device, save heating surface Arrangement space；

2, there is no adhesion and intersection between fin, thus inherit H type finned tube heating surface under in-line arrangement mode and be difficult to The advantage of dust stratification, prevents the probability of dust stratification from structure；

3, improve the overall heat transfer coefficient of heat-exchange device, be conducive to reducing heating surface area, reduce arrangement space Requirement, reduces cost of investment.

Accompanying drawing explanation

In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, the accompanying drawing in describing below is only It is embodiments more of the present utility model, for those of ordinary skill in the art, before not paying creative work Put, it is also possible to obtain other accompanying drawing according to these accompanying drawings.

Fig. 1 is the structural representation of a kind of snake-like tube row of this utility model；

Fig. 2 is the plan structure schematic diagram of a kind of snake-like tube row of this utility model；

Fig. 3 is the right side sectional structure schematic diagram of a kind of heat-exchange device of this utility model；

Fig. 4 is snake-like tube row and the structural relation schematic diagram of framework in a kind of heat-exchange device of this utility model；

Fig. 5 is the forward sight structural representation of a kind of heat-exchange device of this utility model；

Fig. 6 is the structural representation of the method for arranging of a kind of snake-like tube row of this utility model.

In figure: 1, coil 2, framework 3, import concentric reducer 4, outlet concentric reducer

5, import header 6, outlet header

11, finned tube 12, base tube 13, fin 14, connecting bend

21, front plane frame 22, below frame 23, bottom surface frame 24, end face frame

25, right side frame 26, top backplate 27, end backplate 28, right support plate

29, left backplate 30, right backplate

L, the flow direction R of fluid media (medium), the flow direction of heat exchange medium

Detailed description of the invention

Below in conjunction with the accompanying drawings and embodiment, detailed description of the invention of the present utility model is further described.Hereinafter implement Example is only used for clearly illustrating the technical solution of the utility model, and can not limit protection model of the present utility model with this Enclose.

This utility model is a kind of snake-like tube row, as depicted in figs. 1 and 2, hands over for producing heat with extraneous fluid media (medium) Changing, snake-like tube row includes several coils 1；Coil 1 is by several finned tubes 11 by several connecting bends 14 from beginning to end Connecting composition, finned tube 11 includes base tube 12 and fin 13；Several coils 1 be parallel to each other and along base tube 12 radial direction successively It is staggered in arrangement, is positioned at two base tube 12 in-line arrangements adjacent on same coil 1.

Preferably, it is positioned at fin 13 in-line arrangement of same coil 1, fin 13 in-line arrangement of several coils 1.

Preferably, fin 13 has several, and several fins 13 are along the axial arranged of base tube 12 and are connected to base tube 12 Lateral wall on；Fin 13 is transverse fin 13, and finned tube 11 is H type finned tube 11；Fin 13 and base tube 12 are by butt-joint side Formula connects.

As Figure 1-Figure 5, a kind of heat-exchange device, the snake-like tube row of any one in such scheme；Heat-exchange device Also include framework 2, import concentric reducer 3 and outlet concentric reducer 4；Framework 2 includes that being positioned at the left side frame on the left of framework 2 (does not shows in figure Go out), it is positioned at the right side frame (not shown) on the right side of framework 2, is positioned at the end face frame 24 at framework 2 top, is positioned at bottom framework 2 Bottom surface frame 23, is positioned at the front plane frame 21 of framework 2 front portion and is positioned at frame 22 after framework 2 rear portion；Import concentric reducer 3 and front plane frame 21 connect, and outlet concentric reducer 4 is connected with frame 22 below；It is internal that snake-like tube row is arranged in framework 2, the axial and framework 2 of base tube 12 Left and right directions consistent.

The operation principle of technique scheme is: is filled with heat exchange medium by utilizing in coil 1, is used for changing base Pipe 12 and the temperature of fin 13；By fluid media (medium) by contacting with coil 1 in import concentric reducer 3 enters framework 2, to change The temperature of fluid media (medium), and then realize the heat exchange action between fluid media (medium) and heat exchange medium, by outlet concentric reducer 4 Flow out；Being staggered in arrangement by will be located in two base tubes 12 adjacent on same coil 1, improve the overall biography of heat-exchange device Hot coefficient, is conducive to reducing heating surface area, reduces the requirement to arrangement space, reduces cost of investment.

Preferably, coil 1 extends along direction before and after framework 2, and several connecting bends 14 of coil 1 are spaced successively In being arranged in the left side frame (not shown) of framework 2 and in right side frame 25；

End face frame 24 and bottom surface frame 23 are respectively fixed with top backplate 26 and end backplate 27, make framework 2 internal at top and the end It is isolated from the outside on the direction in portion；Left side frame (not shown) and right side frame 25 are respectively fixed with left support plate and (do not show in figure Go out) and right support plate 28, make framework 2 inside be isolated from the outside on the direction on left side and right side；Left support plate is fixed on the left side Frame is towards the side of lower portion, and right support plate 28 is fixed on right side frame 25 towards the side within framework 2；It is positioned at left side frame Connecting bend 14 pass left support plate, the connecting bend 14 being positioned at right side frame 25 passes right support plate 28；

Left side frame and right side frame 25 are also respectively fixed with left backplate 29 and right backplate 30, and left backplate 29 is fixed on the left side frame back of the body To the side within framework 2, making the connecting bend 14 being positioned at left side frame be isolated from the outside, right backplate 30 is fixed on right side frame 25 Side within framework 2 dorsad, makes the connecting bend 14 being positioned at right side frame 25 be isolated from the outside.

Further, heat-exchange device also includes import header 5 and outlet header 6, and import header 5 is positioned in right side frame 25 The heart is partial to the side of frame 22 below, and outlet header 6 is positioned at the side of right side frame 25 center deviation surface frame 21 forward, import header 5 He Outlet header 6 is separately fixed on right side frame 25；Import header 5 and outlet header 6 run through right along the top and bottom direction of framework 2 respectively Backplate 30.

Further, the base tube 12 of adjacent two coils 1 is staggered in arrangement on direction before and after framework 2, coil 1 Two ports are each passed through right support plate 25 and are connected with import header 5 and outlet header 6.

Further, fluid media (medium) enters framework 2 inside from import concentric reducer 3 and contacts with snake-like tube row, and big through outlet Microcephaly 4 is flowed out；The finned tube 11 with one of them port of coil 1 is positioned at framework 2 inside center deflection front plane frame 21 side, And be connected with outlet header 6；There is the finned tube 11 of another port of coil 1 be positioned at framework 2 inside center and be partial to frame below 22 sides, and be connected with import header 5；Import header 5 is filled with heat exchange medium, and heat exchange medium enters outlet through coil 1 Header 6, forms the counter-flow arrangement of snake-like tube row；Wherein, the flow direction of fluid media (medium) is L, the flow direction of heat exchange medium For R；By by several snake-like tube row counter-flow arrangement so that through fluid media (medium) straight with heat-exchange device of heat-exchange device The mean temperature difference of contact is maximum, and then when transmission unit heat, required heat exchange area is few, improves heat-exchange device Heat transfer efficiency.

Preferably, the big end of import concentric reducer 3 is connected with left side frame, and the big end of outlet concentric reducer 4 is connected with right side frame.

As shown in Figure 6, the method for arranging of the snake-like tube row in technique scheme, comprise the following steps:

S1. several finned tubes 11 finned tube 11 is snakelike by several connecting bends 14 composition that joins end to end are prepared Pipe 1；Base tube 12 in-line arrangement being positioned on same coil 1, the horizontal spacing of coil 1 is b；Wherein, b is natural number；

S2. several coils 1 are staggered in arrangement successively along the radial direction of base tube 12, the base tube of two adjacent coils 1 The longitudinal pitch of 12 is a, and base tube 12 horizontal spacing of two adjacent coils 1 is b/2；Wherein, a is natural number.

The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all at this Within the spirit of utility model and principle, any modification, equivalent substitution and improvement etc. made, should be included in this utility model Protection domain within.

Claims

1. a heat-exchange device, including snake-like tube row；Described heat-exchange device also includes framework, import concentric reducer and outlet Concentric reducer；Described framework includes the left side frame being positioned at described frame left, is positioned at the right side frame of described frame right, is positioned at described The end face frame of frame roof, is positioned at the bottom surface frame of described base of frame, is positioned at the front plane frame of described frame front and is positioned at described Frame after frame rear portion；Described import concentric reducer is connected with described front plane frame, and described outlet concentric reducer is with described frame below even Connect；Described snake-like tube row is arranged in described lower portion, described base tube axially the most consistent with the left and right directions of described framework, its spy Levying and be, described coil extends along direction before and after described framework, and several connecting bends of described coil are spaced successively In being arranged in the left side frame of described framework and in the frame of the right side；

Described end face frame and described bottom surface frame are respectively fixed with top backplate and end backplate, make described lower portion in top and bottom Direction on be isolated from the outside；Described left side frame and described right side frame are respectively fixed with left support plate and right support plate, make described Lower portion is isolated from the outside on the direction on left side and right side；Described left support plate is fixed on described left side frame towards described frame Side within frame, described right support plate is fixed on the described right side frame side towards described lower portion；It is positioned at the described left side Described connecting bend in frame passes described left support plate, is positioned at the described connecting bend of described right side frame and passes the described right side and prop up Fagging；

Described left side frame and described right side frame are also respectively fixed with left backplate and right backplate, and described left backplate is fixed on the described left side The side of the most described lower portion of frame, makes the connecting bend being positioned at described left side frame be isolated from the outside, and described right backplate is solid It is scheduled on the side of the described right side the most described lower portion of frame, makes the connecting bend being positioned at described right side frame be isolated from the outside.

A kind of heat-exchange device the most according to claim 1, it is characterised in that described heat-exchange device also includes inlet header Case and outlet header, described import header is positioned at the side of the described frame below of frame center, described right side deflection, described outlet header Being positioned at frame center, the described right side and be partial to the side of described front plane frame, described import header and described outlet header are separately fixed at institute Stating on the frame of the right side, described import header and outlet header run through described right backplate along the top and bottom direction of described framework respectively.

A kind of heat-exchange device the most according to claim 2, it is characterised in that the base tube of adjacent two described coils exists Be staggered in arrangement on direction before and after described framework, two ports of described coil be each passed through described right support plate with described enter Mouth header and described outlet header connect.

A kind of heat-exchange device the most according to claim 3, it is characterised in that described fluid media (medium) is from described import size Head enters described lower portion and contacts with described snake-like tube row, and flows out through described outlet concentric reducer；Have described coil its In the described finned tube of a port be positioned at described lower portion center and be partial to described front plane frame side, and with described outlet header Connect；The described finned tube with described another port of coil is positioned at the described frame one below of described lower portion center deflection Side, and be connected with described import header；Described import header is filled with heat exchange medium, and described heat exchange medium is through described coil Enter described outlet header, form the counter-flow arrangement of described snake-like tube row.