CN206793085U - A kind of liquid seal device of rectifying heat transfer coupling device - Google Patents

Abstract

The utility model discloses a kind of liquid seal device of rectifying heat transfer coupling device, belong to cold separation technology field.The structure is used for heat exchanger and rectifying column coupled structure, the air inlet pipe of heat exchanger enters rectifying column head space through end socket at the top of rectifying column, the drain pipe of the heat exchanger enters rectifying column through end socket at the top of rectifying column, drain pipe end arranged beneath has the first-stage tank for going out liquid in adapting pipe, and the fillet height of first-stage tank is higher than drain pipe bottom level；The second-level groove for accepting first-stage tank spillage, two level groove bottom perforate are nested with outside first-stage tank, and downspout is connected in hole, descending liquid pipe end is located in rectifying column above seal pot.The utility model solves the problem of heat exchanger and the material inlet/outlet pipe of rectifying column coupled structure, eliminates the outer liquid seal device of equipment, optimizes pipe arrangement, save space, saved cost.

Description

A kind of liquid seal device of rectifying heat transfer coupling device

Technical field

A kind of liquid seal device of rectifying heat transfer coupling device is the utility model is related to, is coupled suitable for rectifying column with heat exchanger Material turnover pipeline is arranged in the situation of device interior in device, and be particularly suitable for use in cryogenics separation field equipment fluid-tight knot Structure.

Background technology

Rectifying column often couples into a single integrated structure, realization heat transfer, the efficient progress of mass transfer with heat exchanger；Heat and mass transfer process institute The gas phase or liquid phase medium needed comes from rectifying column or heat exchanger, and its pipeline connected is standing to be placed in device external.Heat exchanger Liquid phase flows out equipment through pipeline, and after carrying out fluid-tight processing outside equipment, pipeline enters rectifying column, and liquid phase medium is provided for rectifying. The pattern occupies the equipment external space, and the arrangement to equipment outer pipe road and other equipment brings adverse effect.

Separation by deep refrigeration is exactly using the difference for needing each component boiling point contained by the unstripped gas of working process, gas pressure After contracting, cooling, heat, mass transter are carried out below -100 DEG C, separates and recovers some of which component to obtain product.Rectifying column conduct Nucleus equipment during deep cooling process for separating, there is the title of " heart ".Thereby, it is ensured that flow of media between heat exchanger and rectifying column It is smooth, it is particularly important to ensure that equipment is smoothed out mass-and heat-transfer.

It would therefore be highly desirable to solves problem instantly, it is desirable to a kind of new fluid-tight structure, fluid-tight should be met to ensure heat and mass It is smoothed out, existing structure can be simplified again, optimizes pipeline and equipment arrangement, ensure equipment safety operation.

Utility model content

The purpose of this utility model is to overcome the shortcomings of existing structure, there is provided a kind of fluid-tight dress of rectifying heat transfer coupling device Put, equipment pipe arrangement, material disengaging design, fluid-tight are carried out using the structure, space is optimized, saves material, realize Fluid-tight, it ensure that heat and mass is smoothed out.

The purpose of this utility model is achieved by following methods：

The liquid seal device of rectifying heat transfer coupling device, in heat exchanger and rectifying column coupled structure, described heat exchanger It is arranged at the top of rectifying column at end socket, the air inlet pipe of the heat exchanger enters rectifying column head space, institute through end socket at the top of rectifying column The drain pipe for stating heat exchanger enters rectifying column through end socket at the top of rectifying column, and drain pipe end arranged beneath has in adapting pipe Go out the first-stage tank of liquid, and the fillet height of first-stage tank is higher than drain pipe bottom level；It is nested with outside first-stage tank for accepting one-level The second-level groove of groove spillage, two level groove bottom perforate, and downspout is connected in hole, descending liquid pipe end is located in rectifying column by liquid Above disk.

Preferably, described two level trench bottom sets groove to support, the fixation of second-level groove is realized.

Preferably, being connected between described first-stage tank and second-level groove by L-type or H section bars, the fixation of first-stage tank is realized.

Preferably, the circumferentially disposed tooth form trough rim of described first-stage tank, as downflow weir.

Further, described first-stage tank inner chamber bottom surface is 10~25mm apart from drain pipe distance from bottom, and well width is 1.2~1.5 times of liquid pipe diameter, 1.3~1.8 times of a height of drain pipe diameter of groove.

Further, in described tooth form trough rim, depth of profile be the groove it is high 10%~20%, tooth form angle [alpha] For 45~60 °.

Preferably, described two level well width is 2~2.5 times of drain pipe diameter, highly 2.2 for drain pipe diameter ~3 times.

Preferably, 0.9~1.1 times of described downspout sectional area position drain pipe sectional area.

Preferably, described downspout apart from seal pot apart from position seal pot K values 35%~45%.

Preferably, described first-stage tank and two level separation are 0.7~1.1 times of drain pipe diameter.

The utility model solves the problem of heat exchanger and the material inlet/outlet pipe of rectifying column coupled structure, eliminates outside equipment Liquid seal device, pipe arrangement is optimized, save space, saved cost.

Brief description of the drawings

Fig. 1 is the schematic elevation view using the liquid seal device of the utility model rectifying heat transfer coupling device；

Fig. 2 is first-stage tank schematic diagram of the present utility model；

Fig. 3 is second-level groove schematic diagram of the present utility model；

Fig. 4 is groove support schematic diagram of the present utility model.

In figure：Heat exchanger 1, rectifying column 2, air inlet pipe 3, drain pipe 4, first-stage tank 5, section bar 6, second-level groove 7, groove support 8, by Liquid disk 9.

Embodiment

The utility model is further elaborated with specific embodiment below in conjunction with the accompanying drawings, so as to those skilled in the art more It is readily appreciated that the utility model.

As shown in figure 1, a kind of liquid seal device of rectifying heat transfer coupling device, for heat exchanger and rectifying column coupled structure In, in the coupled structure, heat exchanger 1 is arranged at the top end socket of rectifying column 2.In the device, the air inlet pipe 3 of heat exchanger 1 passes through The top apparatus end socket of rectifying column 2 enters the head space of rectifying column 2, and the drain pipe 4 of heat exchanger 1 enters essence through the top end socket of rectifying column 2 Tower 2 is evaporated, liquid phase medium is provided for rectifying.In traditional structure, the pipeline connected between heat exchanger 1 and rectifying column 2 is arranged at equipment Outside, the liquid phase of heat exchanger 1 are needed first to flow out equipment through pipeline, and rectifying column 2 is entered back into after carrying out fluid-tight processing outside equipment.And In the utility model, by the structure setting inside rectifying column 2, outer liquid seal structure and external pipe are eliminated, realizes and sets Standby internal fluid-tight, simplifies pipe arrangement, optimizes space, save material.The mode that it is implemented is as follows：

There is an open-topped first-stage tank 5 (as shown in Figure 2) in the end arranged beneath of drain pipe 4, for accepting out liquid The liquid of outflow in pipe 4.And in order to realize fluid-tight function, it is necessary to which drain pipe 4 is goed deep into groove, make the fillet height of first-stage tank 5 (height where the earliest overflowing liquid position of tank liquid) is higher than the bottom level of drain pipe 4.The groove inner bottom surface distance of first-stage tank 5 goes out The distance from bottom S1 of liquid pipe 4 takes 10~25mm, well width W1 to take out 1.2~1.5 times of the diameter DN of liquid pipe 4, and the high H1 of groove takes out liquid pipe 4 1.3~1.8 times of diameter DN, slot length L1 are determined according to the diameter of rectifying column 2.First-stage tank 5 plays fluid-tight and original allocation liquid The effect of body, trough rim are processed into tooth-shape structure as downflow weir, depth of profile h, and value is 10%~20%H1, tooth form angle 45~60 ° of α values, the parameter are advantageous to liquid and smoothly overflowed.

The second-level groove 7 (as shown in Figure 3) for accepting the spillage of first-stage tank 5 is coaxially nested with outside first-stage tank 5, function is liquid Body is reallocated, and realizes that liquid smoothly reaches seal pot, prerequisite is provided for rectification process.The width W2 of second-level groove 7 takes out liquid pipe 4 2~2.5 times of diameter DN, height H2 take out 2.2~3 times of the diameter DN of liquid pipe 4, and bottom land processes two and is uniformly distributed in fluted shaft line On through hole, logical distance between borehole could be arranged to the length L2 of second-level groove 7 half.Lead to the hole site sets downspout, through hole or drop Liquid pipe size determines that it is that sectional area is suitable to determine principle according to the diameter DN of drain pipe 4, and downspout sectional area takes out the section of liquid pipe 4 Long-pending 0.9~1.1 times, length of down-comer is determined by S3.The downspout height H3 of second-level groove 7 needs to rationally design, general to require The top of the through seal pot 9 of rectifying column 2 in its bottom, the 35%~45% of seal pot 9K values is taken apart from the distance S3 of seal pot 9.

First-stage tank 5 is connected with second-level groove 7 by L/H section bars 6, realizes the fixation of first-stage tank 5, and the value of two bottom land interval S 2 is 0.7~1.1 times of the diameter DN of drain pipe 4.Set groove to support 8 (as shown in Figure 3) between first-stage tank 5 and second-level groove 7, realize two level The fixation of groove 7；The width of groove support 8 is W2+10~30mm, and height H4 takes 0.3~0.6 times of the height H2 of second-level groove 7, length L3 Take 1~1.5 times of height H4.

In said structure, the gas of the head space of rectifying column 2 enters heat exchanger 1 by air inlet pipe 3, and the liquid in heat exchanger 1 Enter rectifying column 2 by drain pipe 4, be then stored in first-stage tank 5.When liquid height reaches downflow weir position in first-stage tank 5 During place, it overflows into second-level groove 7, is then discharged into seal pot 9 by the downspout of the bottom of second-level groove 7.Set through excessive set project Standby practical proof, this structure can successfully realize fluid-tight, ensure that the flowing of heat exchanger drain pipe liquid is normal, it is ensured that heat and mass It is smoothed out；It is peripheral in equipment to avoid pipe arrangement, eliminates equipment periphery fluid-tight structure, simplifies fluid-tight structure, optimizes Pipe arrangement, it is ensured that save space about 10%, save material about 30%.

Embodiment described above is a kind of preferable scheme of the present utility model, so itself and be not used to limit this practicality It is new.Those of ordinary skill about technical field, can be with the case where not departing from spirit and scope of the present utility model Make a variety of changes and modification.Such as be not necessarily intended to use section bar between first-stage tank and second-level groove, other modes can also be used It is fixed.The groove support of two level trench bottom can also replace with horizontal position limiting structure, realize the fixation of second-level groove.Therefore it is all to take The technical scheme that equivalent substitution or the mode of equivalent transformation are obtained, all falls within the scope of protection of the utility model.

Claims (10)

1. a kind of liquid seal device of rectifying heat transfer coupling device, in heat exchanger and rectifying column coupled structure, described heat exchange Device is arranged at the top of rectifying column at end socket, it is characterised in that the air inlet pipe of the heat exchanger enters through end socket at the top of rectifying column Rectifying column head space, the drain pipe of the heat exchanger enter rectifying column, drain pipe end arranged beneath through end socket at the top of rectifying column There is the first-stage tank for going out liquid in adapting pipe, and the fillet height of first-stage tank is higher than drain pipe bottom level；First-stage tank is outer nested There are the second-level groove for accepting first-stage tank spillage, two level groove bottom perforate, and downspout is connected in hole, descending liquid pipe end position In in rectifying column above seal pot.

2. the liquid seal device of rectifying heat transfer coupling device as claimed in claim 1, it is characterised in that described two level trench bottom Set groove to support, realize the fixation of second-level groove.

3. the liquid seal device of rectifying heat transfer coupling device as claimed in claim 1, it is characterised in that described first-stage tank and two Connected between level groove by L-type or H section bars, realize the fixation of first-stage tank.

4. the liquid seal device of rectifying heat transfer coupling device as claimed in claim 1, it is characterised in that described first-stage tank is circumferential Tooth form trough rim is set, as downflow weir.

5. the liquid seal device of rectifying heat transfer coupling device as claimed in claim 4, it is characterised in that described first-stage tank inner chamber Bottom surface is 10~25mm apart from drain pipe distance from bottom, and well width is 1.2~1.5 times of drain pipe diameter, a height of drain pipe of groove 1.3~1.8 times of diameter.

6. the liquid seal device of rectifying heat transfer coupling device as claimed in claim 5, it is characterised in that described tooth form trough rim In, depth of profile is high 10%~20% of the groove, and tooth form angle [alpha] is 45~60 °.

7. the liquid seal device of rectifying heat transfer coupling device as claimed in claim 1, it is characterised in that described two level well width For 2~2.5 times of drain pipe diameter, highly 2.2~3 times for drain pipe diameter.

8. the liquid seal device of rectifying heat transfer coupling device as claimed in claim 1, it is characterised in that described descending liquid tube section 0.9~1.1 times of product position drain pipe sectional area.

9. the liquid seal device of rectifying heat transfer coupling device as claimed in claim 1, it is characterised in that described downspout distance Seal pot apart from position seal pot K values 35%~45%.

10. the liquid seal device of rectifying heat transfer coupling device as claimed in claim 1, it is characterised in that described first-stage tank with Two level separation is 0.7~1.1 times of drain pipe diameter.