CN209131440U - Pipe arranges unitized exchanger - Google Patents

Abstract

The utility model provides a kind of pipe row unitized exchanger, and overall is in rectangle, and structure includes: to fold the multilayer pipe row fallen, left general pipeline, right general pipeline, shell, access doors, outlet portal up and down；Heat-exchanging water is flowed into from left general pipeline, and then dispersion flows into each layer pipe row, with pipe after exclusive fluid heat transfer, is flowed out by right general pipeline；The heat exchanger whole outer surface of rectangle is shell, it surrounds the exclusive shell side of pipe；On two opposite sides of shell, there are access doors and outlet portal respectively, they are the inlet and outlet of the one other fluid of water heat exchange in arranging with pipe, it is characterised in that: the multilayer pipe row of the pipe row unitized exchanger, each layer of pipe row can individually dismantle.

Description

Pipe arranges unitized exchanger

Technical field

The utility model relates to heat exchanger technologies, arrange unitized exchanger more particularly to pipe.

Background technique

Heat exchanger is that setting for heat transfer between material is realized between a kind of fluid at two or more different temperatures It is standby, it is that heat is made to pass to the lower fluid of temperature by the higher fluid of temperature, fluid temperature (F.T.) is made to reach the index of flow specification, It to meet the needs of process conditions, while being also one of the capital equipment for improving energy utilization rate.Heat exchanger industry is mainly concentrated In fields such as petroleum, chemical industry, metallurgy, electric power, ship, central heating, refrigeration air-conditioner, machinery, food, pharmacy.Domestic heat exchanger Research of industry in terms of energy efficiency, improving heat transfer efficiency, reducing heat transfer area, reduce pressure drop, improve device Achieve important achievement.

1, jacketed type exchanger

This heat exchanger is made of to install collet in container outer wall, and structure is simple；But its heating surface receptor wall surface limits, Heat transfer coefficient is not also high.To improve heat transfer coefficient and keeping heated liquid uniform, interior blender can be installed.When being passed through cooling in collet When water or heating agent without phase-change, helical baffle or other measures for increasing turbulence can be also set in collet, to improve collet The heat transfer coefficient of side internal can also install coiled pipe for the deficiency for supplementing heat-transfer area.Jacketed type exchanger, which is widely used in, to react The heating and cooling of journey.

2, immersion heat exchanger

This heat exchanger is metal tube to be turned around into the various shapes being adapted with container, and be immersed in the liquid in container In.Its advantages are that structure is simple, can bear high pressure, can be manufactured with resistant material；The disadvantage is that liquid turbulence journey in container It spends low, it is small to manage outer heat transfer coefficient.To improve heat transfer coefficient, mountable blender in container.

3, spray-type heat exchanger

This heat exchanger is to be fixed on heat exchanger tube on steelframe in rows, and hot fluid flows in pipe, and cooling water is from top Under spray equipment uniformly drenches, therefore also referred to as spray cooler.It is one layer of higher liquid of less turbulence outside the pipe of spray-type heat exchanger Film is managed outer heat transfer coefficient and is increased much compared with immersion.In addition, this heat exchanger is placed on mostly in place of air circulation, cooling water Evaporation also take away a part of heat, reduction cooling water temperature can be played the role of, increase driving force of heat transfer.Therefore, it and immerses Formula is compared, and the heat-transfer effect of spray-type heat exchanger has greatly improvement.

4, double pipe heat exchanger

Double pipe heat exchanger is the concentric tubes made of diameter different straight tube, and is formed by connecting by return bend.At this In kind of heat exchanger, a kind of fluid is walked in pipe, and one other fluid walks annular space, and the two all can be obtained higher flow velocity, therefore heat transfer coefficient It is larger.In addition, two kinds of fluids can be pure adverse current, and logarithmic mean motive force is larger in double-tube heat exchanger.Double-tube heat exchanger structure Simply, high pressure can be born, application also facilitates.

5, plate heat exchanger

The application of plate heat exchanger industrially has long history, and still occupies master in all heat exchangers so far Lead status.Main structure is made of the adhesive tape between heat exchange plate and plate.Leading position is occupied in market for a long time, but its volume Greatly, heat exchange efficiency is low, and replacement adhesive tape is expensive.The heat exchange being mainly used between Liquid-liquid, industry is interior to be frequently referred to water water Heat exchange.

6, shell-and-tube heat exchanger

Shell-and-tube heat exchanger is mainly made of shell, tube bank, tube sheet and envelope first class sections, and how rounded shell is, inside dress There are bundle of parallel tubes or helix tube, tube bank both ends are fixed on tube sheet.The two kinds of fluids to exchange heat in shell-and-tube heat exchanger, one Kind flows in pipe, and stroke is known as tube side；One kind flows outside pipe, and stroke is known as shell side.The wall surface of tube bank is to conduct heat Face.Shell-and-tube heat exchanger, helical bundle design, can increase turbulence effects to greatest extent, increase heat exchange efficiency.

7, direct contact heat exchanger

Direct contact heat exchanger is directly contacted by cold and hot fluid and is conducted heat, and this heat transfer type avoids It conducts heat the dirtiness resistances of partition and its two sides, the contact between fluid is all right, there is biggish rate of heat transfer.Such as gas is washed It washs and cooling, the cooling of recirculated water, the Hybrid Heating between vapour-water, the condensation of steam etc..Its application spreads chemical industry and smelting In golden enterprise, power engineering, air conditioning engineering and other many production divisions.

8, heat regenerator

The equipment that heat regenerator is used to carry out regenerative heat-exchange.Built-in solid filler, to store up heat.Generally Fiery grid is built into refractory brick etc., or with metal wave belt etc..

In above-mentioned heat exchanger, shell-and-tube heat exchanger is applied widely.Most shell-and-tube heat exchangers are welded with carbon steel It makes, in use, it is easy to serious corrosion occur, affect heat exchange efficiency, or even make to exchange heat because corrosion generates hole Device is scrapped.Under normal conditions, metal is occurred to corrode and can be resolved using the method for plating alloy in order to prevent.But greatly The simple steel heat exchanger of type, carrying out whole plating, there are many problems.Since volume is too big, Common platings slot is failed to lay down；Even if plating The problem of slot is set aside concerns, and is deformed after plating is difficult to avoid.

Utility model content

A kind of pipe arranges unitized exchanger, and overall is in rectangle, structure include: up and down the folded multilayer pipe row fallen, left general pipeline, Right general pipeline, shell, access doors, outlet portal.

Heat-exchanging water is flowed into from left general pipeline, and then dispersion flows into each layer pipe row, with pipe after exclusive fluid heat transfer, by right total Pipe outflow；The heat exchanger whole outer surface of rectangle is shell, it surrounds the exclusive shell side of pipe；In two opposite sides of shell On, there are access doors and outlet portal respectively, they are the inlet and outlet of the one other fluid of water heat exchange in arranging with pipe.

The multilayer pipe row of the pipe row unitized exchanger, each layer of pipe row can individually dismantle.

The pipe row, its structure includes: left loose joint, Zuo Jiguan, heat-transfer pipe, right collector, right loose joint；More parallel biographies Heat pipe and heat-transfer pipe both ends left collector connected vertically and right collector collectively form planar grille type pipe row.

Left collector it is closed at one end, the other end has a left loose joint, right collector it is closed at one end, the other end has right loose joint.

The caliber of heat-transfer pipe is smaller, and usually 20 millimeters or so, the spacing of heat-transfer pipe is 5~10 millimeters；More heat-transfer pipes One end be successively weldingly connected with left collector, the other end is successively weldingly connected with right collector, and the caliber of left and right collector is 40 millimeters Left and right.

The each layer of pipe row of the multilayer pipe row, it is connect using left loose joint with left general pipeline, and right loose joint and right general pipeline are utilized Connection, the caliber of left and right general pipeline is thicker, is 60 millimeters or so.

The access doors, it is the import of the one other fluid to exchange heat with water in heat-transfer pipe, is exchanged heat when with water in heat-transfer pipe One other fluid be gas, access doors are exactly inlet valve.

The outlet portal, it is the outlet of the one other fluid to exchange heat with water in heat-transfer pipe, is exchanged heat when with water in heat-transfer pipe One other fluid be gas, outlet portal is exactly air outlet valve.

Detailed description of the invention

Fig. 1 is single pipe row's structure chart of the utility model pipe row's unitized exchanger；

Fig. 2 is multitube row's combination assumption diagram of the utility model pipe row's unitized exchanger；

Fig. 3 is the whole overlooking structure figure of the utility model pipe row's unitized exchanger.

Specific embodiment

With reference to the accompanying drawings and examples, the utility model is described in further detail.

Fig. 1 gives single pipe row's structure chart of the utility model pipe row's unitized exchanger.

The single pipe that the utility model pipe arranges unitized exchanger arranges structure, it includes: more parallel heat-transfer pipes 10, a left side Collector 21, left loose joint 23, right collector 22, totally five parts, composition grid type are located in the same plane for right loose joint 24.

The caliber of heat-transfer pipe 10 is smaller, and usually 20 millimeters or so, more heat-transfer pipe parallel arrangements, its spacing is 5~10 Millimeter.Their one end is successively vertically weldingly connected with left collector 21, and the other end is successively vertically weldingly connected with right collector 22.

The caliber of left and right collector is 40 millimeters or so.Tube fluid and extratubal fluid exchange heat, and tube fluid is usually water.One The water of collector is held, more heat-transfer pipes are flowed through in dispersion, and after heat transfer extratubal fluid heat exchange, the collector for reaching the other end flows away.

Left collector 21 it is closed at one end, the other end is connect by left loose joint 23 with other pipelines, an end seal of right collector 22 It closes, the other end is connect by right loose joint 24 with other pipelines.

The material of pipe row is carbon steel or stainless steel.After single pipe row welds, it can individually carry out the anticorrosion process such as being electroplated, so Pipe is assembled by loose joint again afterwards and arranges unitized exchanger.Where the advantages of this is also the utility model.

Fig. 2 gives multitube row's combination assumption diagram of the utility model pipe row's unitized exchanger.

The multitube that the utility model pipe arranges unitized exchanger arranges composite structure, it is made of folded fall of multiple pipes row.

21 consistency from top to bottom of left collector of each pipe row is folded to be fallen, and 22 consistency from top to bottom of right collector of each pipe row is folded to be fallen, Ge Geguan The heat-transfer pipe of row is with certain spacing, upper and lower space layout.

When all left collector 21 is intake, whole heat-dissipating pipes 10 are flowed through in level dispersion, and with after extratubal fluid heat exchange, then flow Into each right collector 22, heat transfer process is just completed.

Fig. 3 gives the whole overlooking structure figure of the utility model pipe row's unitized exchanger.

It is rectangle that the utility model pipe, which arranges unitized exchanger, its whole plan structure includes: heat-transfer pipe 10, Zuo Jiguan 21, left loose joint 23, left general pipeline 31, right collector 22, right loose joint 24, right general pipeline 32, shell 40, access doors 51, outlet portal 52.

Heat-exchanging water is flowed into from left general pipeline 31, then by multiple left loose joints 23, is flowed into multiple left collectors 21, is again passed through numerous Parallel heat-transfer pipe 10, water flow into multiple right collectors 22, pass through multiple right loose joints in heat-transfer pipe and after the fluid heat transfer outside pipe 24, then flowed out by right general pipeline 32.

The caliber of left and right general pipeline is 60 millimeters or so.

The shell 40 of six outer surfaces of rectangle heat exchanger, it surrounds the shell side outside heat-transfer pipe.

On two opposite sides of pipe row's unitized exchanger, there are access doors 51 and outlet portal 52 respectively.The two The effect of inlet and outlet door is: they are the inlet and outlet doors of the one other fluid to exchange heat with water in heat-transfer pipe.When with water in heat-transfer pipe The one other fluid of heat exchange is gas, Guan they are exactly inlet valve and air outlet valve respectively when interior water and gas converting heat.

Pipe row's unitized exchanger is to complete the process in single pipe row, including complete plating, then overall assembling, its left side Right collector is connect by loose joint with left and right general pipeline.Its benefit is exactly both to have solved heat exchanger not can be carried out at electroplating anticorrosion integrally The problem of reason, and the detachable maintaining that can be convenient.

Claims (5)

1. a kind of pipe arranges unitized exchanger, overall is in rectangle, and structure includes: multilayer pipe row, the left general pipeline, the right side for folding fall up and down General pipeline, shell, access doors, outlet portal；Heat-exchanging water is flowed into from left general pipeline, and then dispersion flows into each layer pipe row, the exclusive stream with pipe After body heat exchange, flowed out by right general pipeline；The heat exchanger whole outer surface of rectangle is shell, it surrounds the exclusive shell side of pipe；In shell On two opposite sides of body, there are access doors and outlet portal respectively, they are the one other fluids of water heat exchange in arranging with pipe Inlet and outlet, it is characterised in that: the multilayer pipe row of the pipe row unitized exchanger, each layer of pipe row can individually dismantle.

2. a kind of pipe described in accordance with the claim 1 arranges unitized exchanger, it is characterised in that: the pipe row, its structure packet It includes: left loose joint, Zuo Jiguan, heat-transfer pipe, right collector, right loose joint；It is more parallel heat-transfer pipes, connected vertically with heat-transfer pipe both ends Left collector and right collector collectively form planar grille type pipe row；Left collector it is closed at one end, the other end has left loose joint, right collector It is closed at one end, the other end has right loose joint；The caliber of heat-transfer pipe is smaller, and usually 20 millimeters or so, the spacing of heat-transfer pipe is 5~ 10 millimeters；One end of more heat-transfer pipes is successively weldingly connected with left collector, and the other end is successively weldingly connected with right collector, left and right collection The caliber of pipe is 40 millimeters or so.

3. a kind of pipe according to claim 1 or 2 arranges unitized exchanger, it is characterised in that: the multilayer pipe row's is every One layer of pipe row, it is connect with left general pipeline using left loose joint, is connect using right loose joint with right general pipeline, and the caliber of left and right general pipeline is thicker, It is 60 millimeters or so.

4. a kind of pipe described in accordance with the claim 1 arranges unitized exchanger, it is characterised in that: the access doors, it is and biography The import for the one other fluid that water exchanges heat in heat pipe, when the one other fluid to exchange heat with water in heat-transfer pipe is gas, access doors are just It is inlet valve.

5. a kind of pipe described in accordance with the claim 1 arranges unitized exchanger, it is characterised in that: the outlet portal, it is and biography The outlet for the one other fluid that water exchanges heat in heat pipe, when the one other fluid to exchange heat with water in heat-transfer pipe is gas, outlet portal is just It is air outlet valve.