CN209013797U - A kind of compound heat-exchanger - Google Patents

Abstract

The utility model discloses a kind of compound heat-exchangers, including the columnar shell being vertically arranged, are equipped with material outlet above shell, lower section is equipped with material inlet, it is wound with coil pipe outside shell, interior heat exchanger tube is socketed in the middle part of shell, interior heat exchanger tube is arranged along the axis extending direction of shell.The beneficial effects of the utility model are: can not treat heated material by external force such as blade stirrings and sufficiently be heated.

Description

A kind of compound heat-exchanger

Technical field

The utility model belongs to field of chemical equipment, specifically a kind of compound heat-exchanger.

Background technique

Heat exchanger can efficiently use thermal energy, be the common equipment of chemical industry.Chinese patent literature CN205332851U " coil exchanger " is disclosed on June 22nd, 2016, including a closed cylinder and two groups of disks as heat exchanger tube Pipe, two groups of coil pipes be separately mounted to it is upper and lower two and half intracavitary in reaction kettle barrel, for stacking arrangement, and closed cylinder herein It is provided with stirring motor at the top of body, stirring motor lower part is connected with stirring blade by agitating shaft, and the stirring blade is upward The helical blade of promotion, the lift angle of the helical blade is 20 °~45 °, and width of blade is less than the helix internal diameter of coil pipe.It should Applicant declares that the utility model simple process is easy to process, and assembly is easy, and can effectively improve heat exchange efficiency.It is similar such The coil exchanger of type, a kind of inside and outside heat exchange for respectively importing fluid, being only able to achieve between two-fluid of coil pipe；Positioned at anti- It answers the fluid of kettle nearside wall part since close to coil pipe, heating effect is good, quick heating, and is located at reaction kettle radial center part Fluid is since apart from reaction kettle side wall, farther out, heating effect is undesirable.According to the theory of Pyrology, the temperature difference between two substances is got over Small, the efficiency of heat exchange is lower, since the fluid temperature (F.T.) on the outside of reaction kettle is higher, causes the heat in coil pipe not yet sufficiently sharp With being just drained off, the waste of heat is formd, and the fluid temperature (F.T.) of reaction kettle nucleus is relatively low at the same time, it is still necessary to further Heating.If driving blade stirring reaction kettle content using motor, one increases motor and blade newly using above-mentioned traditional scheme Cause expenditure new on cost and the energy, two are not appropriate for blade stirring under some specific environment, and the program is difficult to reality It applies.

Summary of the invention

Based on problem above, the utility model provides a kind of compound heat-exchanger, can not by external force such as blade stirrings, Heated material is treated sufficiently to be heated.

In order to realize goal of the invention, the utility model adopts the following technical solution: a kind of compound heat-exchanger, including vertical The columnar shell being arranged, shell top are equipped with material outlet, and lower section is equipped with material inlet, is wound with coil pipe outside shell, Interior heat exchanger tube is socketed in the middle part of shell, interior heat exchanger tube is arranged along the axis extending direction of shell.

The compound heat-exchanger of this programme design is holding in design basis of traditional external disk pipe dish around outside of containers Interior heat exchanger tube, alleged shell in the i.e. corresponding this programme of container, the built-in material for needing to heat are increased inside device.It is wound outside shell Coil pipe in conducting heat content fluid, the fluid of heat content is also switched in interior heat exchanger tube, the two can be from same source Fluid of the same race, be also possible to two kinds of fluids in different sources, can also be same fluid followed by outer coil pipe and interior change Heat pipe.Interior heat exchanger tube is located at casing center region, is arranged along the axial direction of the housing, and the material for keeping it minimum with temperature contacts, thus Possess maximum temperature difference, generates optimal heat transfer effect.This programme has also obtained a special advantage, Ke Yitong as a result, Two fluids containing heat of Shi Liyong heat a kind of material to be heated, to improve heating efficiency, reduce and set Standby occupancy and heat waste.

Preferably, the coil pipe includes upper coil pipe and lower coil pipe independent of each other；Upper coil pipe is respectively equipped in upper and lower side It is exported under upper coil pipe upper inlet and upper coil pipe, lower coil pipe is exported in the case where upper and lower side is respectively equipped with lower coil pipe upper inlet and lower coil pipe； The height and position exported under upper coil pipe is higher than lower coil pipe upper inlet.The coil pipe for being wrapped in hull outside is divided into upper and lower two by this programme Section, independently of one another.Such design can increase the hot switching path of the fluid of a new heat content.External two up and down Coil pipe cooperates internal interior heat exchanger tube, can simultaneously turn on the fluid of three kinds of different temperatures, forms better heat conversion effect Fruit.Theoretically, more coil pipes also can be set, be arranged successively in the axial direction of the housing, corresponding one, each coil pipe to heat Fluid.

Preferably, circular on shell be equipped with a circle elastic component, the telescopic direction of elastic component is the axial direction of shell；Elasticity Part upper and lower side is connected between coil pipe lower end and lower coil pipe upper end, and elastic component is axially upper freely slidable in shell.Work as shell When the temperature of the heat content fluid imported between the upper coil pipe and lower coil pipe of outer winding has larger gap, upper coil pipe and lower coil pipe by Also there is larger difference along the elongated variable quantity of shell axial expansion after heat.In order to balance the upper and lower bulbs of pressure, this programme is special An elastic component is devised, is connected between coil pipe up and down, to stretch at any time, to adapt to the change of upper and lower coil pipe expanded by heating Change.If the quantity of coil pipe is more than 2, setting one elastic component can be enclosed between any two adjacent coil pipes.

Preferably, the elastic component is sheet metal material, cross sectional shape is horizontal " several " font, upper and lower ends It is abutted respectively with upper coil pipe lower end and lower coil pipe upper end, middle part is along shell radially outwardly projecting.This programme has been specifically designed section The sheet metal of for example horizontal " several " font of shape is as elastic component, so that elastic component is existing enough intensity, it may have closes Suitable elasticity, to meet stress and reset the needs of rebound.

Preferably, horizontal in shell be equipped with several baffle plates；The side of baffle plate is connect with case inside wall, another Gap is equipped between side and the corresponding position of case inside wall；Interstitial site on two adjacent baffle plates is staggered.Baffle plate be for The shortest path for destroying Flow of Goods and Materials in shell increases it by the time with interior heat-dissipating pipe and outside coil heat exchange, simultaneously Disturbance objectively is generated to material, keeps its temperature region uniform, improves heat exchanger effectiveness.

Preferably, shell upper end side wall is equipped with gas vent, bottom side of the wall is equipped with mud hole.Material is flowing through hot friendship When the shell of parallel operation, through adding it is thermogenetic lift and can be discharged from gas vent, part residue is precipitated to after housing bottom can be with It is cleaned up from mud hole.

The specific design scheme of interior heat exchanger tube can have several, introduce two of them herein.

As one of preferably, interior heat exchanger tube is parallel to each other several, and the horizontal cross-section position of each interior heat exchanger tube is constituted Array pattern centered on the axis point of shell.Interior heat exchanger tube is set as parallel several by the program, can be increased Heat exchange area improves heat exchange effect.

As preferred two, interior heat exchanger tube is single helix tube, and helix tube is rotated around the axis of shell.The program can be with Speed when flowing through interior heat exchanger tube with heat fluid is reduced, extends heat exchanger time, the heat exchange area of helix tube is also than same caliber Straight tube big more of heat exchange area, therefore can also improve heat transfer effect.

In conclusion the beneficial effects of the utility model are: heated material can not be treated by external force such as blade stirrings Sufficiently heated.

Detailed description of the invention

Fig. 1 is the axial sectional view of the utility model.

Wherein: 1 shell, 2 material outlets, 3 material inlets, heat exchanger tube in 4, coil pipe on 5,6 lower coil pipes, 7 elastic components, 8 foldings Flowing plate, 21 gas vents, 22 mud holes, heat exchanger tube upper inlet in 41 export in 42, coil pipe upper inlet on 51 under heat exchanger tube, on 52 It exports under coil pipe, 61 lower coil pipe upper inlets, is exported under 62 lower coil pipes.

Specific embodiment

The utility model is further described with specific embodiment with reference to the accompanying drawing.

Embodiment as shown in Figure 1 is a kind of compound heat-exchanger.What this compound heat-exchanger was vertically arranged equipped with one Columnar shell 1, shell upper left side are equipped with material outlet 2, and lower right is equipped with material inlet 3, and material to be heated is from bottom right It is discharged by heating from upper left after into shell.The upper right side of shell is equipped with gas vent 21, for the gas escaped in material after heating Body discharge；The lower left of shell is equipped with mud hole, and the residue precipitated in material after heating can be cleaned up from mud hole.

Heating coil is wound in the external helicoid of shell.In this example, coil pipe is divided into two sections along shell axis direction, Upper coil pipe 5 and lower coil pipe 6 i.e. independent of each other.Upper coil pipe upper inlet 51 is located at upper right side, and outlet 52 is located at lower-left under upper coil pipe Side, the fluid of a strand heat can be from upper coil pipe upper inlets into exporting out under upper coil pipe, by heat exchange to shell internal upper part Material heated.Lower coil pipe upper inlet 61 is located at upper left side, and outlet 62 is located at lower left side, another strand heat under lower coil pipe Fluid can be from lower coil pipe upper inlet into exporting out under lower coil pipe, added by material of the heat exchange to lower part in shell Heat.The height and position exported under upper coil pipe is higher than lower coil pipe upper inlet.It is circular on shell to be equipped with a circle elastic component 7, in this example Elastic component be stainless sheet steel material, cross sectional shape be horizontal " several " font, upper and lower ends respectively with upper coil pipe lower end It is abutted with lower coil pipe upper end, middle part is along shell radially outwardly projecting.Elastic component is axially upper freely slidable in shell, and elasticity is stretched Contracting direction is the axial direction of shell.

Interior heat exchanger tube 4, axis extending direction of the interior heat exchanger tube along shell are socketed in the position of the inside axial ray of shell Setting.In this example, interior heat exchanger tube is single helix tube, and helix tube is rotated around the axis of shell.The fluid of third strand heat Interior heat exchanger tube can be entered with the interior heat exchanger tube upper inlet 41 above slot, outlet 42 goes out under interior heat exchanger tube from below, hands over by heat It changes and the material of central area in shell is heated.

Interior heat exchanger tube can also be by those skilled in the art's unrestricted choice other structures as needed.Such as interior heat exchanger tube is Parallel to each other several, the horizontal cross-section position of each interior heat exchanger tube constitute the array of figure centered on the axis point of shell Shape.

It is horizontal in shell to be equipped with 4 pieces of baffle plates 8 in this example；The side of baffle plate is connect with case inside wall, the other side Gap is equipped between the corresponding position of case inside wall；Interstitial site on two adjacent baffle plates is staggered.

The compound heat-exchanger of this example can respectively utilize one heat content fluid by upper and lower two coil pipes, then by interior Heat exchanger tube utilizes one heat content fluid, is adequately heated from inside to outside from top to bottom to the intracorporal material of shell, and baffling Plate destroys the shortest path of Flow of Goods and Materials in shell, increases the time of material Yu interior heat-dissipating pipe and outside coil heat exchange, together When disturbance objectively is generated to material, keep its temperature region uniform, improve heat exchanger effectiveness.

Claims (8)

1. a kind of compound heat-exchanger is equipped with material outlet (2) above shell including the columnar shell (1) being vertically arranged, Lower section is equipped with material inlet (3), and coil pipe is wound with outside shell, characterized in that interior heat exchanger tube (4) are socketed in the middle part of shell, Interior heat exchanger tube is arranged along the axis extending direction of shell.

2. a kind of compound heat-exchanger according to claim 1, characterized in that the coil pipe includes upper disk independent of each other Manage (5) and lower coil pipe (6)；Upper coil pipe exports (52) in the case where upper and lower side is respectively equipped with upper coil pipe upper inlet (51) and upper coil pipe, under Coil pipe exports (62) in the case where upper and lower side is respectively equipped with lower coil pipe upper inlet (61) and lower coil pipe；The height and position exported under upper coil pipe Higher than lower coil pipe upper inlet.

3. a kind of compound heat-exchanger according to claim 2, characterized in that circular on shell to be equipped with a circle elastic component (7), the telescopic direction of elastic component is the axial direction of shell；Elastic component upper and lower side be connected to coil pipe lower end and lower coil pipe upper end it Between, elastic component is axially upper freely slidable in shell.

4. a kind of compound heat-exchanger according to claim 3, characterized in that the elastic component is sheet metal material, Its cross sectional shape is horizontal " several " font, and upper and lower ends are abutted with upper coil pipe lower end and lower coil pipe upper end respectively, and middle part is along shell Body radially outwardly projecting.

5. a kind of compound heat-exchanger according to claim 1 or 2 or 3 or 4, characterized in that horizontal in shell to be equipped with Several baffle plates (8)；The side of baffle plate is connect with case inside wall, is equipped between the other side and the corresponding position of case inside wall Gap；Interstitial site on two adjacent baffle plates is staggered.

6. a kind of compound heat-exchanger according to claim 1 or 2 or 3 or 4, characterized in that set on the side wall of shell upper end Have gas vent (21), bottom side of the wall is equipped with mud hole (22).

7. a kind of compound heat-exchanger according to claim 1 or 2 or 3 or 4, characterized in that interior heat exchanger tube is to put down each other Capable several, the horizontal cross-section position of each interior heat exchanger tube constitute the array pattern centered on the axis point of shell.

8. a kind of compound heat-exchanger according to claim 1 or 2 or 3 or 4, characterized in that interior heat exchanger tube is single spiral shell Coil, helix tube are rotated around the axis of shell.