CN2626977Y

CN2626977Y - Evaporation type sea water desalting plant for ship

Info

Publication number: CN2626977Y
Application number: CNU032590067U
Authority: CN
Inventors: 郭兴炳
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-06-27
Filing date: 2003-06-27
Publication date: 2004-07-21
Anticipated expiration: 2013-06-27

Abstract

The utility model relates to an evaporation-type seawater desalting device for ship, which comprises a distiller, a water jet pump, a condensate pump and various connection pipes. The device is mainly characterized in that the water jet pump is composed of a suction chamber body, a pipe body arranged on the suction chamber body and sequentially including a suction cavity, a mixing chamber and a pressure expanding chamber, and a tapered nozzle arranged inside the suction chamber; a water outlet pipe is connected with a seawater inlet of the suction chamber; a water suction hole arranged on the axial side of the suction chamber is communicated with the lower part of a housing; the tapered nozzle extends to the suction cavity of the pipe body; a vacuum interface on the axial side of the suction chamber is communicated with the upper portion of the housing through a vacuum pipe; a water feeding pipe provided with a water feeding valve and a magnetizer is also connected with the water outlet pipe; and the other end of the water feeding pipe is fixedly connected to the lower part of the housing. The utility model has reasonable structure and can improve the vacuity of the distiller to evaporate the seawater at a lower temperature, thereby significantly increasing the yield of fresh water, and the freshwater can be administrated directly after magnetizing.

Description

Evaporation-type seawater desalination device peculiar to vessel

Technical field

The utility model relates to a kind of sea water desaltination treatment unit, especially relates to a kind of evaporation-type seawater desalination device peculiar to vessel.

Background technology

Present disclosed evaporation-type seawater desalination device peculiar to vessel, mostly by well heater, distiller and water extraction pump that condenser constitutes, jetting squirt pump and each connecting pipeline constitute, though the desalting equipment than spray-type is simple in structure, increase work-ing life, but also there is following defective: 1, because the jetting squirt pump is installed for erectting, the import of jetting squirt pump directly connects high pressure sea water, its outlet is by being discharged to outboard again behind the condenser, its unreasonable structure, and the resistance correlation water jet pump in the condenser causes certain back pressure, can influence the suction force of jetting squirt pump, reduce the vacuum tightness of distiller, so fresh water yield is difficult for improving.Secondly, because the nozzle in the jetting squirt pump is to be contained in the suction chamber body, be respectively equipped with the vacuum interface of high-pressure work sea intake, concentrated salt water inlet and air and water vapor on the suction chamber body, so the conical nozzle contracted channel is shorter, fluidic a fluid stream cone angle is bigger, and flow velocity reduces relatively, and the high pressure sea water pressure of drainage can not made full use of, so also be difficult to improve the vacuum tightness of distiller, limited the output of fresh water.2, because fresh water treatment is by evaporating after seawater and the well heater heat exchange again, and by being gathered into fresh water after the condenser condenses, so the calcium magnesium salts in the seawater in seawater heat-processed very easily forms the hard incrustation scale of one deck on the tube bank surface of well heater, make the heat exchanger effectiveness of seawater descend, not only have a strong impact on the steam output of seawater, reduce the fresh water water rate, but also must often carry out scale removal to heating tube bundle by artificial or soup, maintenance load is big, also fragile desalting equipment.Secondly, owing to handle through sterilization and disinfection by the fresh water that evaporates, condensation is produced, so be difficult for as tap water, can be influential after crewman's long-term drinking to health, and reduction physique.3, the fresh water storage of fresh-water tank is more after a little while in condenser, perhaps boats and ships are in the process of rocking, because water extraction pump can suck air, and cause suck-back gas phenomenon, make the water extraction pump dehydration cause mechanical seal wearing and tearing, gas leakage, to making water extraction pump can not take out fresh water, influence is normal for fresh water on the one hand, and damages water extraction pump.In the air admission distiller, then reduce the vacuum tightness of distiller on the other hand, influence the fresh water water rate.4, because the housing of distiller constitutes encloses container by upper and lower semicircle and the side plate that is connected upper and lower semicircle, so when distiller was in vacuum state, its side plate was in the suction lower recess distortion of vacuum, structural instability, so fragile desalting equipment, the work-ing life of shortening desalting equipment.

Summary of the invention

Technical problem to be solved in the utility model provides a kind of rational in infrastructure, can improve the vacuum tightness of distiller, improves fresh water yield, and drinkable evaporation-type seawater desalination device peculiar to vessel.

The utility model will solve further technical problem and provide a kind of evaporation-type seawater desalination device peculiar to vessel that can further improve distiller vacuum tightness and water extraction pump work-ing life.

The utility model will solve further again, and technical problem provides a kind of evaporation-type seawater desalination device peculiar to vessel that can improve casing mechanism intensity.

The utility model is that the technical scheme that solves the problems of the technologies described above is: a kind of evaporation-type seawater desalination device peculiar to vessel, comprise by the well heater of condenser that is installed in housing top and bottom and be connected the distolateral upper end cover of housing and distiller that lower end cover constitutes, the jetting squirt pump, water extraction pump and each connecting pipeline, the bottom that is positioned at condenser in the housing has fresh-water tank, fresh-water tank links to each other with water extraction pump by fresh water pipe, advancing of condenser, exit end is respectively by advancing on the upper end cover, water outlet is communicated with high pressure sea water and rising pipe, advancing of well heater, water outlet is by advancing on the lower end cover, water outlet connects the diesel cylinder sleeve cooling circulating water, it is characterized in that:

A, described jetting squirt pump by the suction chamber body, be installed in the body that is provided with suction chamber, mixing section and diffusion chamber on the suction chamber body successively and be installed in the intravital conical nozzle of suction chamber and constitute, the sea intake of suction chamber body picks out water pipe, the suction mouth of a river of suction chamber axon side is connected with lower housing portion, conical nozzle extends in the body suction chamber, and the interface that vacuumizes of suction cavit shaft side is communicated with housing top by valve tube;

Also be connected with water service pipe on b, the rising pipe, feedwater valve and magnetizing apparatus are housed on the water service pipe, the other end of water service pipe is fixedly connected on lower part of frame.

The utility model for the technical scheme that solves above-mentioned further technical problem is: the water-in of described water extraction pump also be connected with housing in, the equilibration tube that communicates of top, check valve is equipped with at the water outlet place of water extraction pump.

The utility model for solve above-mentioned more further the technical scheme of technical problem be: described housing is connected on by upper shell, lower shell and perforation that vertical tube constitutes I-shape construction between upper shell and the lower shell, and a side of upper shell and lower shell all has end socket to be tightly connected.

Advantage of the present utility model is: 1, the utility model since the water-in of jetting squirt pump be connected with the rising pipe of condenser, rational in infrastructure, eliminated the back pressure of jetting squirt pump, the suction capactity of raising jetting squirt pump.Moreover because the conical nozzle contracted channel prolongation in the jetting squirt pump, make the cone angle that mixes a fluid stream diminish, can make full use of the kinetic energy of high pressure sea water, help concentrating salt solution and air and water vapor and be sucked out distiller better, obviously improve the suction capactity of jetting squirt pump, because of the suction capactity raising of jetting squirt pump, so improved the vacuum tightness of distiller, reduce the evaporation of seawater temperature, improved the water rate of fresh water.2, because magnetizing apparatus is housed on water service pipe, so after magnetized seawater enters distiller, because of magnetized seawater in explosive evaporatoin below 80 ℃, so concentrated seawater can not form incrustation scale on the tube bank surface of well heater, flow away or precipitate and discharge and incrustation scale is suspended state through blowdown, the heat exchanger effectiveness of seawater is stable, keeps the stable fresh water amount of producing, and also reduces labor intensity simultaneously.Because the fresh water of producing is magnetization fresh water, fresh water has carried out sterilization and disinfection, removes peculiar smell in the water, and long-term drinking can promote human body metabolism, improves a poor appetite, and improves immunizing power, builds up health.3, owing to installed check valve additional, prevent that effectively water extraction pump from sucking air, and cause suck-back gas phenomenon, guarantee the fresh water regular supply, keep vacuum tightness in the distiller and the work-ing life of having improved water extraction pump at the water outlet place of water extraction pump.4, the housing of the utility model distiller has adopted I-shape construction, has obviously improved the bearing capacity of distiller, and its Stability Analysis of Structures is not yielding behind the pressurized, has improved the structural strength of distiller.

Description of drawings

Below in conjunction with accompanying drawing embodiment of the present utility model is further described.

Fig. 1 is a structural representation of the present utility model;

Fig. 2 is that the A of Fig. 1 is to structural representation.

Fig. 3 is the B-B sectional structure synoptic diagram of Fig. 1.

Fig. 4 is the C-C sectional structure synoptic diagram of Fig. 1.

Fig. 5 is that jetting sprays the pump structure synoptic diagram;

Fig. 6 is the structural representation of housing.

Fig. 7 is the side-view of Fig. 6.

Fig. 8 is the structural representation of check valve;

Fig. 9 is the vertical view of Fig. 8.

Figure 10 is the structural representation of upper end cover;

Embodiment

As shown in Figure 1, evaporation-type seawater desalination device peculiar to vessel of the present utility model, comprise by the well heater 1-6 of condenser 1-2 that is installed in housing 1-1 top and bottom and be connected the distolateral upper end cover 1-3 of housing 1-1 and distiller 1 that lower end cover 1-5 constitutes, and with jetting squirt pump 9, water extraction pump 12 and each connecting pipeline and indicating gauge.The bottom that housing 1-1 is positioned at condenser 1-2 has fresh-water tank 1-4, and fresh-water tank 1-4 links to each other with water extraction pump 12 by fresh water pipe 4.See Fig. 6, shown in 7, housing 1-1 is by upper shell 1-1-1, lower shell 1-1-3 and perforation are connected on vertical tube 1-1-2 formation I-shape construction between upper shell 1-1-1 and the lower shell 1-1-3, the side of upper shell 1-1-1 and lower shell 1-1-3 all has end socket, end socket can be made into plate shaped or butterfly, and be welded on the side of upper shell 1-1-1 and lower shell 1-1-3, vertical tube 1-1-2 is rectangular tube or round tube, also can adopt the vertical tube 1-1-2 of other shape, vacuum pressure gauge 24 is housed on the vertical tube 1-1-2, thermometer 23 and show mirror window 18, be convenient to observe the working condition in distiller 1, improve the physical strength of distiller 1 housing 1-1 effectively, and compact construction, rationally, this housing 1-1 can adopt the 1Cr18Ni9Ti material to make.Condenser 1-2 was restrained and be connected the prolong beam port by condensation joint flange constitutes, the flange of upper end cover 1-3 is pressed on the joint flange and is contained on the flange of upper shell 1-1-1, see Figure 10, upper end cover 1-3 can make plate shaped or butterfly, and has "T"-shaped gusset in the upper end cover 1-3, the condensation tube bank of condenser 1-2 is separated into quadritube-pass, increase the cooling stroke in limited space, the import and export end of condenser 1-2 is communicated with high pressure sea water and rising pipe 2 by the entery and delivery port on the upper end cover 1-3 respectively.Well heater 1-6 is made of heating tube bundle and the joint flange that is connected the heating tube bundle port, the structure of heating tube bundle is identical with the condensation Pipe bundle structure, exchange performance to improve, the flange of lower end cover 1-5 is pressed on the joint flange and is contained on the flange of lower shell 1-1-3, the structure of the structure of lower end cover 1-5 and upper end cover 1-3 is basic identical, heating tube bundle with well heater 1-6 is separated into quadritube-pass equally, improve heat exchanger effectiveness, well heater 1-6 advances, outlet is by advancing on the lower end cover 1-5, water outlet connects the diesel cylinder sleeve cooling circulating water, the heating tube bundle of the cooling-water flowing heater via 1-6 of cylinder sleeve, flow back in the diesel engine again, circulation is continuously heated seawater, and the used heat that makes full use of diesel engine adds hot sea water.What lower end cover 1-5 was different with upper end cover 1-3 is to be provided with thermometer on the water inlet pipe of lower end cover 1-5, with the inflow temperature of indication heating.

See Fig. 5, jetting squirt pump 9 of the present utility model is by suction chamber body 9-1, the conical nozzle 9-3 that is installed in the body 9-5 of suction chamber body 9-1 and is installed in the suction chamber body 9-1 constitutes, conical nozzle 9-3 is contained in the suction chamber body 9-1 by screw thread, and adopt nylon washer 9-2 to seal, be provided with suction chamber 9-5-1 on the body 9-5 successively, mixing section 9-5-2 and diffusion chamber 9-5-3, behind seam on the body 9-5 and the suction chamber body 9-1 location, connect with fastening piece, adopt O-ring seals 9-4 sealing between body 9-5 and the suction chamber body 9-1 end face, sea intake 9-1-1 on the suction chamber body 9-1 picks out water pipe 2, the suction mouth of a river 9-1-2 of suction chamber body 9-1 axle side is by the lower shell 1-1-3 of pipeline body contact body 1-1, see Fig. 4, has the brine tube of suction 1-7 in the lower shell 1-1-3, this mouth of pipe maintains an equal level in the heating tube bundle upper surface of well heater 1-6 substantially, to be the incrustation scale of suspended state and concentrate salt solution and extract out, and keep level balance.See Fig. 5, conical nozzle 9-3 extends in the suction chamber 9-5-1 of body 9-5, and the interface 9-5-4 that vacuumizes of suction chamber 9-5-1 axle side is communicated with housing 1-1 top by valve tube 22, valve tube 22 is connected the end socket middle part of upper shell 1-1-1 sidepiece, the water vapor that rises in the distiller 1 is drained into condenser surface more equably, form fresh water.Because conical nozzle 9-3 contracted channel prolongs, improved vacuum capability, by high pressure sea water as power, air in the suction cooler 1-2 reaches not agglomerative water vapor, make distiller 1 reach condition of high vacuum degree, this vacuum tightness is by vacuum pressure gauge 24 indications that are contained on the vertical tube 1-1-2, and high pressure sea water seawer outlet from device after pressure is put in 9 mistakes of jetting squirt pump is discharged to outboard.

Also be connected with water service pipe 17 on rising pipe 2, the water service pipe 17 that feedwater valve 6 and magnetizing apparatus 7 are housed is communicated with distiller 1, gives and replenishes seawater in the distiller 1.High pressure sea water is set up flooding velocity by the feedwater valve on the water service pipe 17 6, and seawater constantly replenishes to distiller 1 internal heating and explosive evaporatoin through magnetizing apparatus 7 again, and magnetized seawater can be in the formation fouling of heating tube bundle surface, but also has improved water quality.The tube stub 16 that is connected with lower shell 1-1-3 at water service pipe 17 is for to decide throttling control valve, and this is decided throttling control valve and can be link bolt, and is simple in structure, with the sea water supply distiller 1 of regime flow.See Fig. 3, for anti-fastening throttling control valve stops up, the ingress of water service pipe 17 is provided with filter screen 25, and on the rising pipe 2 on filter screen 25 opposites plug screw 5 is housed, and when feedwater is not given, can open plug screw 5, and obturator is removed.Add the hot sea water explosive evaporatoin by well heater 1-6, the water vapor that rises is to the appearance of the condensation tube bank of the condenser 1-2 on distiller 1 top, distilled water is congealed into, be fresh water, accumulate in coagulating in the tank 1-4 of condenser 1-2 bottom, because the seawater of distiller 1 bottom carries out explosive evaporatoin under high vacuum, lower temperature conditions, obviously improved the water rate of fresh water.

See Fig. 1, be connected with the equilibration tube 20 that communicates between the upper shell 1-1-1 of the water-in of water extraction pump 12 and housing 1-1, make the suction inlet of pump be in isopiestic state, the water-in of water extraction pump 12 connects fresh water pipe 4, be equipped with check valve 13 and link to each other with water shoot at the water outlet place of water extraction pump 12, load valve 11, sampling water nozzle 10 and feed water valve 8 are housed on the water shoot, tensimeter 15 also is housed on water shoot.See Fig. 8; in 9 these check valves 13 are had by both sides; externally threaded valve body 13-1; be arranged on the spring support 13-5 in the valve body 13-1; be contained in the spool 13-3 that does axial motion in the spring support 13-5 pilot hole; and the spring 13-4 that is arranged between spring support 13-5 and the spool 13-3 constitutes; and be provided with sealing-ring 13-2 between the shaft shoulder of spool 13-3 and the valve port end face; can only allow water be up to by this valve; can not flow backwards; when not having water to get; can not allow the air suck-back enter, load valve 11 is used to set up water extraction pump 12 top hole pressures, as is transferred to 0.06Mpa; by tensimeter 15 indications; as long as load valve 11 was not closed when water extraction pump 12 discharge pressures reached this value, check valve 13 is also closed, makes the interior water of pump case of water extraction pump 12; protection mechanical seal reaches and can continue normal water outlet.

The utility model also has the flushing machine that the water intaking valve 19 by wash water valve 14 that is contained in lower shell 1-1-3 bottom and lower shell 1-1-3 top constitutes.Producing in the process of fresh water, can regularly carry out the blowdown flushing to distiller 1, vacuum breaker valve 21 also is housed on the upper shell 1-1-1.When blowdown or shutdown, open the vacuum breaker valve 21 on the upper shell 1-1-1 earlier, water intaking valve 19 water receiving sources can be to distiller 1 flushing, and addle is then discharged by wash water valve 14.

In the utility model when work,, high pressure sea water flows into rising pipe 2 by condenser 1-2 by upper end cover 1-3 water outlet, and rising pipe 2 is leaded up to jetting squirt pump 9 with the air in the distiller 1 and agglomerative water vapor and concentrated salt solution do not aspirate out; Another road of rising pipe 2 connects water service pipe 17, supply with distiller 1 by feedwater valve 6 and magnetizing apparatus 7, seawater explosive evaporatoin by well heater 1-6 heating, the water vapor that rises is condensed into distilled water to condenser 1-2, accumulate in and coagulate in the tank 1-4, start water extraction pump 12, the fresh water that coagulates in the tank 1-4 is released.

Claims

1, a kind of evaporation-type seawater desalination device peculiar to vessel, comprise by the well heater (1-6) of condenser (1-2) that is installed in housing (1-1) top and bottom and be connected the distolateral upper end cover (1-3) of housing (1-1) and distiller (1) that lower end cover (1-5) constitutes, jetting squirt pump (9), water extraction pump (1 2) and each connecting pipeline, the bottom that is positioned at condenser (1-2) in the housing (1-1) has fresh-water tank (1-4), fresh-water tank (1-4) links to each other with water extraction pump (1 2) by fresh water pipe (4), condenser (1-2) advances, exit end is respectively by advancing on the upper end cover (1-3), water outlet is communicated with high pressure sea water and rising pipe (2), well heater (1-6) advances, water outlet is by advancing on the lower end cover (1-5), water outlet connects the diesel cylinder sleeve cooling circulating water, it is characterized in that:

A, described jetting squirt pump (9) is by suction chamber body (9-1), be installed in and be provided with suction chamber (9-5-1) on the suction chamber body (9-1) successively, the body (9-5) of mixing section (9-5-2) and diffusion chamber (9-5-3) and the conical nozzle (9-3) that is installed in the suction chamber body (9-1) constitute, the sea intake (9-1-1) of suction chamber body (9-1) picks out water pipe (2), the suction mouth of a river (9-1-2) of suction chamber body (9-1) axle side is connected with housing (1-1) bottom, conical nozzle (9-3) extends in body (9-5) suction chamber (9-5-1), and the interface (9-5-4) that vacuumizes of suction chamber (9-5-1) axle side is communicated with housing (1-1) top by valve tube (22);

Also be connected with water service pipe (17) on b, the rising pipe (2), feedwater valve (6) and magnetizing apparatus (7) are housed on the water service pipe (17), the other end of water service pipe (17) is fixedly connected on the bottom of housing (1-1).

2, evaporation-type seawater desalination device peculiar to vessel according to claim 1, it is characterized in that: the water-in of described water extraction pump (12) also be connected with housing (1-1) in, the equilibration tube (20) that communicates of top, check valve (13) is equipped with at the water outlet place of water extraction pump (12).

3, evaporation-type seawater desalination device peculiar to vessel according to claim 2, it is characterized in that: in described check valve (13) is had by both sides, externally threaded valve body (13-1), be arranged on the spring support (13-5) in the valve body (13-1), be contained in the spool (13-3) of doing axial motion in spring support (13-5) pilot hole, and the spring (13-4) that is arranged between spring support (13-5) and the spool (13-3) constitutes, be provided with sealing-ring (13-2) between the shaft shoulder of spool (13-3) and valve body (13-1) the valve port end face, also have the taper guide head that matches with valve port on the spool (13-3).

4, evaporation-type seawater desalination device peculiar to vessel according to claim 1 and 2 is characterized in that: with load valve (11), sampling water nozzle (10) and feed water valve (8) also are housed on the vent pipe that water extraction pump (12) water outlet is connected.

5, evaporation-type seawater desalination device peculiar to vessel according to claim 1, it is characterized in that: described housing (1-1) is connected on vertical tube (1-1-2) formation I-shape construction between upper shell (1-1-1) and the lower shell (1-1-3) by upper shell (1-1-1), lower shell (1-1-3) and perforation, and a side of upper shell (1-1-1) and lower shell (1-1-3) all has end socket to be tightly connected.

6, evaporation-type seawater desalination device peculiar to vessel according to claim 5, it is characterized in that: described vertical tube (1-1-2) is rectangular tube or round tube, and vacuum pressure gauge (24), thermometer (23) is housed on the vertical tube (1-1-2) and shows mirror window (18).

7, evaporation-type seawater desalination device peculiar to vessel according to claim 1, it is characterized in that: the ingress of described water service pipe (17) is provided with filter screen (25), and on the rising pipe (2) on filter screen (25) opposite plug screw (5) is housed.

8, evaporation-type seawater desalination device peculiar to vessel according to claim 1 or 5 is characterized in that: the tube stub (16) that described water service pipe (17) is connected with the lower shell (1-1-3) of housing (1-1) is for deciding throttling control valve.

9, evaporation-type seawater desalination device peculiar to vessel according to claim 1 or 5 is characterized in that: described valve tube (22) is connected the end socket middle part of upper shell (1-1-1) sidepiece of housing (1-1).

10, evaporation-type seawater desalination device peculiar to vessel according to claim 1 or 5 is characterized in that: also have the flushing machine by water intaking valve (19) formation on lower shell (1-1-3) top of the wash water valve (14) of the lower shell that is installed in housing (1-1) (1-1-3) bottom and housing (1-1).