CN201164740Y

CN201164740Y - Horizontal type horizontal-tube multiple-layer immerged evaporator

Info

Publication number: CN201164740Y
Application number: CNU2008201040970U
Authority: CN
Inventors: 李春崇; 于成春
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-02-22
Filing date: 2008-02-22
Publication date: 2008-12-17
Anticipated expiration: 2018-02-22

Abstract

The utility model discloses a horizontal transverse tube multi-layer submerged evaporator which is composed of an evaporating pot shell, heating pipes and an evaporated liquid charging pipe and is characterized in that a public steam box, a steam even box, and liquid evaporating boxes are included, wherein, the public steam box is communicated with a heating steam inlet pipe; the steam even box is arranged at one end of each of the heating pipes; the liquid evaporating boxes can ensure that one end of each of the heating pipes is communicated with the public steam box, the other end is communicated with the steam even box, and the middle parts can be submerged in the evaporated liquid; each liquid evaporating box is an evaporation layer, the steam even box and the heating steam inlet pipe which are arranged at the base layer are communicated with the public steam box. The heating pipes of the evaporator are submerged by the evaporated liquid which is evaporated after being heated to form a natural circulation in the liquid evaporating boxes, the outer walls of the heating pipes are convectively washed by the liquid and the steam flow, the outer walls of the heating pipes are not easy to accumulate dirty, thereby being able to ensure the stable evaporation intensity. The multi-layer design of the submerged heating pipes and the liquid evaporating boxes can increase the amount of evaporation of the liquid and enhance the evaporating efficiency. The evaporator has simple structure, easy clean and maintenance, and low cost, thereby being suitable for the separation of various solids and liquids.

Description

Horizontal transverse tube multilayer submergence evaporimeter

Technical field

The utility model relates to a kind of equipment for separating liquid from solid, especially solution evaporation enrichment evaporimeter.

Background technology

Utilize steam to transmit heat to solution, make solution evaporation moisture content, reach enrichment or concentrated purpose, in existing solution goods, use more generally from pyrogen, as soup concentrate, liquid glucose concentrates and beverage concentrates, desalinization etc.At present, main solution condensing device has: climbing film evaporator, the interior falling film evaporator of pipe, outflow falling-film plate type evaporimeter and horizontal horizontal tube falling film evaporation device etc. in the pipe.Horizontal horizontal tube falling film evaporation device wherein is the typical case comparatively, the primary structure of this evaporimeter is: be provided with the evaporating liquid spray equipment above transversely arranged tube bank, liquid is evenly distributed in the transversely arranged tube bank, form liquid film, can carry out heating evaporation, concentrated liquid to the liquid of the heating tube appearance of flowing through.Its advantage is that temperature difference loss is little, and evaporation intensity is big, and heating surface is difficult for incrustation.Shortcoming is that complex structure, spray equipment stop up easily, manufacture difficulty is big, needs a big flow circulating pump cloth liquid, and the cost height is difficult in maintenance.

Summary of the invention

The purpose of this utility model provides a kind of simple in structure, and temperature difference loss is little, and evaporation intensity is big, is easy to clean and maintenance, low cost and the horizontal transverse tube multilayer submergence evaporimeter that is difficult for incrustation.

The utility model comprises evaporation ladle bowl, horizontal some heating tubes, evaporating liquid input pipe, fixed gas discharge pipe and condensed water discharge pipe in the evaporation ladle bowl, it is characterized in that also comprising:

The public steam chest that communicates with the heating steam inlet tube;

Be located at the vapor box of described horizontal some heating tubes one end in the evaporation ladle bowl;

Described horizontal some heating tubes one end in the evaporation ladle bowl is communicated with public steam chest, and the other end communicates with layer vapor box, and the middle part can be immersed in the liquid evaporation tank in the evaporated liquor;

Each liquid evaporation tank is an evaporation layer, several evaporation layers are upwards stack at interval in regular turn, wherein, the layer vapor box of basic unit communicates with heating steam inlet tube and public steam chest, remaining vapor box is interlinked to the outside by a fixed gas discharge pipe and evaporation ladle bowl, underrun one condensed water discharge pipe of public steam chest is interlinked to the outside with the evaporation ladle bowl, and liquid evaporation input pipe is arranged on the top of the superiors' evaporating liquid case.

On the described evaporating liquid case, being provided with one can make all heating tubes in it be immersed in overflow pipe in the evaporating liquid fully, the liquid outlet of this overflow pipe is higher than the last plane that heating tube is arranged, the overflow pipe on upper strata communicates with the evaporating liquid case of following one deck, the liquid outlet of basic unit's overflow pipe communicate with the separation chamber or directly with evaporate ladle bowl and be interlinked to the outside.

The evaporimeter of said structure, many heating tubes are horizontal in the evaporating liquid case, in evaporation process, heating tube is by to be evaporated liquid-immersed, liquid is heated evaporation, and forms Natural Circulation in the evaporating liquid case, and the heating tube outer wall is washed away by liquid and steam flow convection current, on outer tube wall, be difficult for incrustation or incrustation easily comes off voluntarily, can guarantee stable evaporation intensity.The setting of multilayer submergence heating tube evaporating liquid case, liquid-column height is little, and the static pressure temperature difference loss is little, and the number of plies of the quantity of heating tube and a fluid box can be provided with as required, can increase the evaporation of liquid amount, improves evaporation efficiency.Simple in structure, be easy to clean and maintenance and cost is low.

Description of drawings

Fig. 1 is a sectional structure schematic diagram of the present utility model.

Fig. 2 is the structure intention that Fig. 1 analyses and observe along the A-A line.

The specific embodiment

Below, the utility model is described in further detail in conjunction with the accompanying drawings.

Illustrated in figures 1 and 2, be sectional structure schematic diagram of the present utility model, wherein, Fig. 2 is the structure intention that Fig. 1 analyses and observe along the A-A line, describes in conjunction with two figure.In two figure, in the ladle bowl 2 of evaporimeter, be set with the supernatant liquid evaporation tank 4 and the subnatant evacuator body case 20 that can hold liquid, subnatant evacuator body case 20 is basic unit's liquid evaporation tank.The left end of supernatant liquid evaporation tank 4 is a vapor box 6, and the centre is many horizontal heating tubes 9, and right-hand member is public steam chest 11, heating tube 9 two ends connect with vapor box 6, public steam chest 11 sealing and fixing respectively, inner chamber communicates.Supernatant liquid evaporation tank 4 is provided with the overflow pipe 5 that communicates with box cavity, and the last plane that is higher than heating tube 9 suitable for reading of this pipe 5 makes the complete submergence heating tube 9 of evaporated liquor physical efficiency, and the liquid that overflows can flow in following one deck liquid evaporation tank.On-condensible gas outlet 7 connects with steam chest 6 top seals, and outside the sealing pass-out ladle bowl 2.Each liquid evaporation tank is an evaporation layer.Liquid inlet duct 10 to be evaporated is located at the top of supernatant liquid evaporation tank 4 and fixedlys connected with ladle bowl 2, and passage of liquid pipe 10 to be evaporated is passed in the supernatant liquid evaporation tank 4, and flows to next evaporation layer step by step by the overflow pipe of each evaporation layer.

In like manner, the structure of subnatant evacuator body case 20 and supernatant liquid evaporation tank 4 basic identical, different is, and it is a casing with the bottom of ladle bowl 2, be used for receiving fluids, the a little higher than many heating tubes 21 of the upper outlet of overflow pipe 16 one on the plane, make the complete submergence heating tube 21 of evaporated liquor physical efficiency, and stretch out in the separation chamber 15 on ladle bowl 2 right sides, the liquid that overflows can be discharged outside the ladle bowl 2 from the outlet below the separation chamber 15 18.Many heating tubes 21 1 ends in the fluid box 20 and equal vapour case 1 sealed attachment, inner chamber communicates, another and public steam chest 11 sealed attachment, inner chamber communicates.Heating steam inlet tube 3 connects with equal vapour case 1 sealing and fixing of subnatant evacuator body case 20, inner chamber communicates, heating steam is by the many heating tubes 21 in inlet tube 3 and the fluid box 20, each evaporation layer input vapours of communicating for public steam chest 11 and above and public steam chest 11 thereof, each heating tube is heated, heating tube heats the liquid of its outside again, makes the liquid evaporation.Condensating water outlet tube 19 connects with public steam chest 11 bottoms, and stretches out ladle bowl 2, condensed water can be discharged from outlet 19.Supernatant liquid overflow pipe 3 is communicated with lower floor liquid bobbin carriage 20.Be connected in the dividing plate 12 evaporation ladle bowl 2 above, make each liquid evaporation tank of left side indirect steam that heating produces to liquid rise, descend, rise again, turned one curved after, just the outlet of the indirect steam above separation chamber 15 13, discharge the ladle bowl 2 from indirect steam outlet 13 after defoaming through demister 14.The installing hole 8 of people in coming in and going out jar is housed on the ladle bowl 2 of evaporimeter.Two ends are provided with support foot 17 under the outside of ladle bowl 2, location evaporimeter jar.

Operation principle of the present utility model is:

Steam is defeated by public vapour case 11 by heating steam inlet tube 3, vapor box 1 and heating tube 21,,, as heating tube 9 and 21 heating tube is heated equably with the heating tube of steam distribution to each evaporation layer by public vapour case 11.Non-condensation gas in each evaporation layer steam, the non-condensation gas discharge pipe 7 from liquid evaporation tank one side vapor box is discharged outside the evaporation ladle bowl 2.The condensed water of steam to producing in the heating tube heating process, mobile along the inwall of heating tube toward the public steam chest 11 of a side, discharge outside the evaporation ladle bowls 2 from the condensating water outlet tube 19 of steam chest 11 bottoms.Concentrated liquid to be evaporated enters in the supernatant liquid evaporation tank 4 by inlet duct 10.The liquid level of liquid makes many heating tubes 9 be in submerged state by liquid overflow pipe 5 controls in the last liquid evaporation tank 4, and the liquid that has more overflows to the subnatant evacuator body case 20 from liquid overflow pipe 5.In like manner, be full of liquid in the subnatant evacuator body case 20, liquid level is by liquid overflow pipe 16 controls, and many heating tubes 21 are in submerged state, and the liquid after evaporation and concentration enters 15 bottoms, separation chamber from overflow pipe 16, discharges outside the ladle bowl 2 from evaporation outlet 18 again.The indirect steam that liquid evaporation produces from the right upper portion breach of last liquid evaporation tank 4 by dividing plate 12 split flows after, descending enters separation chamber 15, rises again, through discharging outside the ladle bowl 2 of evaporimeters from indirect steam outlet 13 after demister 14 foam removals.

In like manner, the utility model can be made the transverse tube submergence evaporimeter of individual layer or two-layer above structure, and structural principle is identical with Fig. 1 and Fig. 2's.Each liquid evaporation tank is an evaporation layer, and the vapor box 1 that removes basic unit's evaporation layer connects with heating steam inlet tube 3 and public steam chest 11, and overflow pipe 16 is outside stretch out separation chamber 15, and other evaporation layer structure is all identical with liquid evaporation tank 4.

Claims

1, a kind of horizontal transverse tube multilayer submergence evaporimeter, it comprises evaporation ladle bowl, heating steam inlet tube, horizontal some heating tubes, evaporating liquid input pipe, fixed gas discharge pipe and condensed water discharge pipe in the evaporation ladle bowl, it is characterized in that also comprising:

The public steam chest (11) that communicates with heating steam inlet tube (3);

Be located at the vapor box (6,1) of described some heating tubes (9,21) end;

Described some heating tubes (9,21) end is communicated with public steam chest (11), and the other end communicates with layer vapor box, and the middle part can be immersed in the liquid evaporation tank (4) in the evaporated liquor;

Each liquid evaporation tank is an evaporation layer, several evaporation layers are upwards stack at interval in regular turn, wherein, the layer vapor box (1) of basic unit communicates with heating steam inlet tube (3) and public steam chest, remaining vapor box (6) is interlinked to the outside by a fixed gas discharge pipe (7) and evaporation ladle bowl (2), underrun one condensed water discharge pipe (19) of public steam chest (11) is interlinked to the outside with evaporation ladle bowl (2), and liquid evaporation input pipe (10) is arranged on the top of the superiors' evaporating liquid case.

2, horizontal transverse tube multilayer submergence evaporimeter according to claim 1 is characterized in that:

On the described evaporating liquid case (4,20), being provided with one can make all heating tubes (9,21) in it be immersed in overflow pipe (5,16) in the evaporating liquid fully, the liquid outlet of this overflow pipe (5,16) is higher than heating tube the is arranged last plane of (9,21), the overflow pipe on upper strata (5) communicates with the evaporating liquid case of following one deck, the liquid outlet of basic unit's overflow pipe (16) communicate with separation chamber (15) or directly with evaporate ladle bowl (2) and be interlinked to the outside.