CN207975875U - A kind of dry pipe ice evaporator - Google Patents

Abstract

The utility model is related to technical field of refrigeration equipment, more particularly to a kind of dry pipe ice evaporator, the dry pipe ice evaporator includes cylinder, the both ends of the cylinder are respectively equipped with upper perforated plate and lower perforated plate, the both ends of the heat exchanger tube being evenly distributed in the cylinder on multiple vertical directions, the heat exchanger tube are each passed through and are connected on upper perforated plate and lower perforated plate；Spoiler is equipped between the adjacent heat exchanger tube, the spoiler is connected to around its central axes spiral, the two sides of the spoiler on the side of adjacent heat exchange tubes.The beneficial effects of the utility model are：The spoiler of the utility model dry pipe ice evaporator has the function of drainage, disturbance, makes refrigerant that must surround flowing around heat exchanger tube according to the flow direction of setting, the evaporation of refrigerant is accelerated, to improve evaporator heat exchange effect.

Description

A kind of dry pipe ice evaporator

Technical field

The utility model is related to technical field of refrigeration equipment, and in particular to a kind of dry pipe ice evaporator.

Background technology

Common full-liquid type pipe ice evaporator is mainly equipment manufacturing costs height, and heat exchange property is not sufficiently stable, and top has Part does not freeze, and freezes, deices that the time is long, and refrigerant charge is big.And there is also refrigerant distribution for existing dry evaporator Unevenness, the problem of heat transfer effect difference need exploitation to design a kind of raising heat transfer effect, reduce the dry pipe ice of refrigerant charge Evaporator.

Utility model content

Technical problem to be solved in the utility model is：There is provided that a kind of refrigerant is evenly distributed, charging amount is less, heat exchange The good dry pipe ice evaporator of effect.

In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model is：A kind of dry pipe ice evaporation is provided Device, the dry pipe ice evaporator includes cylinder, and the both ends of the cylinder are respectively equipped with upper perforated plate and lower perforated plate, in the cylinder The both ends of the heat exchanger tube being evenly distributed on multiple vertical directions, the heat exchanger tube are each passed through and are connected to upper perforated plate and down tube On plate；

Spoiler is equipped between the adjacent heat exchanger tube, the spoiler around its central axes spiral, the spoiler Two sides are connected on the side of adjacent heat exchange tubes.

The beneficial effects of the utility model are：The utility model dry pipe ice evaporator uses the design of spoiler, changes The previous not design of regulation refrigerant flow direction in any manner is become.The spoiler has the function of drainage, disturbance, Make refrigerant that must surround flowing around heat exchanger tube according to the flow direction of setting, enhances the heat exchange function of refrigerant；Heat exchange Area is reduced, barrel diameter reduces, its refrigerant charge is made to greatly reduce (30% only original refrigerant), by Traditional full-liquid type is changed to dry evaporator, make pipe ice evaporator freezing time shorten, day ice capacity reach most efficiently, reduce Production cost, improves economic benefit.

Description of the drawings

Fig. 1 is the structural schematic diagram of the dry pipe ice evaporator of specific embodiment of the present invention；

Fig. 2 is the sectional view of the horizontal direction of the dry pipe ice evaporator of specific embodiment of the present invention；

Fig. 3 is the structural representation of the part of the spoiler of the dry pipe ice evaporator of specific embodiment of the present invention Figure；

Label declaration：

1, cylinder；2, upper perforated plate；3, lower perforated plate；4, heat exchanger tube；5, spoiler；6, coil pipe；

61, through-hole；7, auxiliary is taken over；8, sagging plate；9, chamber is subcooled；10, orifice plate；11, up-hole plate；12, filler core Axis.

Specific implementation mode

For technology contents, the objects and the effects of the utility model are described in detail, below in conjunction with embodiment and match Attached drawing is closed to be explained.

The design of the utility model most critical is：Spoiler is designed around heat exchanger tube, drainage disturbance refrigerant is necessary Accelerate the evaporation of refrigerant around flowing around heat exchanger tube according to the flow direction of setting, to improve evaporator heat exchange effect Fruit.

Fig. 1, Fig. 2 and Fig. 3, a kind of dry pipe ice evaporator are please referred to, the dry pipe ice evaporator includes cylinder 1, The both ends of the cylinder 1 are respectively equipped with upper perforated plate 2 and lower perforated plate 3, are evenly distributed in the cylinder 1 on multiple vertical directions The both ends of heat exchanger tube 4, the heat exchanger tube 4 are each passed through and are connected on upper perforated plate 2 and lower perforated plate 3；

Spoiler 5 is equipped between the adjacent heat exchanger tube 4, the spoiler 5 is around its central axes spiral, the spoiler 5 two sides are connected on the side of adjacent heat exchange tubes 4.

In above-mentioned dry pipe ice evaporator, previous not regulation refrigerant flow direction in any manner, design are changed Spoiler 5 have the function of that drainage, disturbance keep refrigerant circular around heat exchanger tube 4 according to the flow direction of setting Flowing, accelerates the evaporation of refrigerant, to improve evaporator heat exchange effect, evaporator refrigerant charging amount is reduced, by traditional Full-liquid type is changed to dry evaporator, make pipe ice evaporator freezing time shorten, day ice capacity reach most efficiently, reduce production Cost improves economic benefit.

Preferably, in above-mentioned dry pipe ice evaporator, the cylinder 1 is respectively equipped at upper perforated plate 2 and lower perforated plate 3 The coil pipe 6 of horizontal circle cylinder 1, the coil pipe 6 are equipped with the through-hole 61 inside connection cylinder 1, and the coil pipe 6 connects auxiliary Adjuvant grafting pipe 7, the 7 connection coolant channel of auxiliary take over.

By upper description it is found that using coil pipe 6 by through-hole feed flow return-air, through-hole is uniformly opened up on coil pipe 6, keeps feed flow equal It is even.

Preferably, in above-mentioned dry pipe ice evaporator, 1 lower end of the cylinder is additionally provided with sagging plate 8, the heat exchanger tube 4 expanded joints are equipped with supercooling chamber 9 on sagging plate 8, between the sagging plate 8 and lower perforated plate 3.

By upper description it is found that the supercooling setting of chamber 9 is held under the vaporizers, the refrigerant of liquid supply pipe was carried out by supercooling chamber 9 It is cold, degree of supercooling can be improved, flash gas is reduced, refrigerating capacity is improved, improves refrigerating efficiency；Cryogen supercooling was utilized to release simultaneously Heat melt the ice of heat exchanger tube 4 lower end, solve the problems, such as to deice hardly possible.

Preferably, in above-mentioned dry pipe ice evaporator, between the upper perforated plate 2 and lower perforated plate 3 of the cylinder 1, under It is equipped with orifice plate 10 and up-hole plate 11 at tube sheet 3 on vertical direction from top to bottom, the orifice plate 10 and up-hole plate 11 are equipped with phase Same through-hole, the percent opening of the orifice plate 10 are more than the percent opening of up-hole plate 11, and the upper and lower ends of the spoiler 5 connect respectively It is connected on upper perforated plate 2 and up-hole plate 11.

The percent opening of the up-hole plate 11 is 23%, and the percent opening of the orifice plate 10 is 49%.

The design it is found that the upper orifice plate 10 of the above-mentioned dry pipe ice evaporator use of the utility model is described by upper, on Orifice plate 11 uses percent opening for 23%, and orifice plate 10 uses percent opening, and thickness all uses 6mm, different percent openings to make for 49% Refrigerant first passes through large opening rate, using small percent opening, changes refrigerant flow rates, and be conducive to refrigerant guiding role, adds Fast refrigerant evaporation becomes gaseous state from liquid, increases heat exchange function.

Preferably, in above-mentioned dry pipe ice evaporator, the central axes of the cylinder 1 are equipped with filler mandrel 12, described 12 one end of filler mandrel is fixed on upper perforated plate 2, the other end across up-hole plate 11 positioned at up-hole plate 11 and orifice plate 10, institute State the surface distribution intercommunicating pore of filler mandrel 12.

By upper description it is found that using 6 aperture of coil pipe and filler mandrel 12 structure feed flow, equipment surrounding is provided with aperture, Feed flow is evenly；Using filler mandrel 12, you can enhance the axial stability of tube sheet, and refrigerant charge can be reduced.

Preferably, in above-mentioned dry pipe ice evaporator, pull rod, pull rod one end connection are additionally provided in the cylinder 1 On upper perforated plate 2, the other end is across up-hole plate 11 and orifice plate 10 positioned at orifice plate 10 and lower perforated plate 3.

Preferably, in above-mentioned dry pipe ice evaporator, the dry pipe ice evaporator further includes the water of 1 top of cylinder Case；The water tank connects heat exchanger tube 4.

Embodiment one

A kind of dry pipe ice evaporator, the dry pipe ice evaporator include cylinder 1, and the both ends of the cylinder 1 are set respectively There are upper perforated plate 2 and lower perforated plate 3, the heat exchanger tube 4 being evenly distributed in the cylinder 1 on multiple vertical directions, the heat exchanger tube 4 Both ends are each passed through and are connected on upper perforated plate 2 and lower perforated plate 3；

Spoiler 5 is equipped between the adjacent heat exchanger tube 4, the spoiler 5 is around its central axes spiral, the spoiler 5 two sides are connected on the side of adjacent heat exchange tubes 4.

The cylinder 1 is respectively equipped with the coil pipe 6 of horizontal circle cylinder 1, the coil pipe 6 at upper perforated plate 2 and lower perforated plate 3 The through-hole being equipped with inside connection cylinder 1, the coil pipe 6 connect auxiliary take over 7, the 7 connection refrigerant of auxiliary take over Channel.

1 lower end of the cylinder is additionally provided with sagging plate 8, and 4 expanded joint of the heat exchanger tube is on sagging plate 8, the intermediate tube Supercooling chamber 9 is equipped between plate 8 and lower perforated plate 3.

Between the upper perforated plate 2 and lower perforated plate 3 of the cylinder 1, it is equipped with down from top to bottom on vertical direction at lower perforated plate 3 Orifice plate 10 and up-hole plate 11, the orifice plate 10 and up-hole plate 11 are equipped with identical through-hole, and the percent opening of the orifice plate 10 is big On the upper and lower ends of the percent opening of up-hole plate 11, the spoiler 5 are connected on upper perforated plate 2 and up-hole plate 11, are described The percent opening of orifice plate 11 is 23%, and the percent opening of the orifice plate 10 is 49%.

The central axes of the cylinder 1 are equipped with filler mandrel 12, and described 12 one end of filler mandrel is fixed on upper perforated plate 2, For the other end across up-hole plate 11 positioned at up-hole plate 11 and orifice plate 10, the surface of the filler mandrel 12 is distributed intercommunicating pore. Pull rod is additionally provided in the cylinder 1, described pull rod one end is connected on upper perforated plate 2, and the other end passes through up-hole plate 11 and orifice plate 10 between orifice plate 10 and lower perforated plate 3.The dry pipe ice evaporator further includes the water tank of 1 top of cylinder；The water tank Connect heat exchanger tube 4.

The spoiler is formed using stainless steel plate twisting, the optional ferritic stainless steel of stainless steel plate, such as：201.It is described to disturb Flowing plate width can be 29cm, and three-sixth turn is turned round per 150cm.

The course of work of above-mentioned dry pipe ice evaporator is：Refrigerant is taken over by the auxiliary of cylinder lower end into coil pipe, disk Pipe is uniformly flowed in cylinder by through-hole by all directions, and then refrigerant carries out flow velocity adjustment using orifice plate and up-hole plate Afterwards, then through spoiler it is oriented to, refrigerant can only carry out heat along rising around flowing around heat exchanger tube with the water for flowing through heat exchanger tube It exchanges, becomes the refrigerant gas of low-temp low-pressure, finally by the coil return air of cylinder upper end.

In conclusion dry pipe ice evaporator provided by the utility model, by supercooling chamber, coil pipe, aperture, heat exchanger tube, is disturbed Flowing plate, filler mandrel, upper orifice plate, pull rod, tube sheet, cylinder, auxiliary such as take at the compositions.Pass through heat exchanger tube and upper and lower Tubesheet Welding It connects and sagging plate expanded joint, spoiler is attached between heat exchanger tube, upper orifice plate is fixed using filler mandrel and pull rod, by cylinder With tube sheet, cylinder it is each up and down uniformly open two rows of apertures, coil pipe encases aperture and cylinder, auxiliary take over and be welded.

Because spoiler has drainage, disturbance, upper orifice plate, which has, to be oriented to, and coil pipe aperture liquid supply assembly is imitated with uniform feed flow Fruit, supercooling chamber have under the multiple actions such as heat-insulated, recoil, and the uniform feed flow of coil pipe aperture breaks the original flow direction of refrigerant, So that refrigerant, to improve evaporator heat exchange effect, evaporator refrigerant charging amount must be reduced along being flowed around heat exchanger tube, It reduces to freeze and deices the time, considerably increase tube ice machine ice capacity.In identical tonnage specification, reduce 15% heat exchanger tube 70% refrigerant charge of quantity and reduction, evaporator are become the dry type evaporation of new construction, are manufactured by the full-liquid type of original structure This reduces nearly 30% than traditional design, and ice capacity is original 2 times, to obtain good economic benefit.

The above description is only the embodiments of the present invention, and it does not limit the scope of the patent of the present invention, every Equivalents made based on the specification and figures of the utility model are applied directly or indirectly in relevant technology neck Domain is equally included in the patent within the scope of the utility model.

Claims (8)

1. a kind of dry pipe ice evaporator, which is characterized in that the dry pipe ice evaporator includes cylinder, the both ends of the cylinder It is respectively equipped with upper perforated plate and lower perforated plate, the heat exchanger tube being evenly distributed in the cylinder on multiple vertical directions, the heat exchanger tube Both ends be each passed through and be connected on upper perforated plate and lower perforated plate；

Spoiler is equipped between the adjacent heat exchanger tube, the spoiler is around its central axes spiral, the both sides of the spoiler While being connected on the side of adjacent heat exchange tubes.

2. dry pipe ice evaporator according to claim 1, which is characterized in that the cylinder is close to upper perforated plate and lower perforated plate Place is respectively equipped with the coil pipe of horizontal circle cylinder, and the coil pipe is equipped with the through-hole of connection inner barrel, and the coil pipe connection connects Logical auxiliary is taken over, the auxiliary take over connection coolant channel.

3. dry pipe ice evaporator according to claim 2, which is characterized in that the cylinder lower end is additionally provided with intermediate tube Plate, the heat exchanger tube expanded joint are equipped with supercooling chamber on sagging plate, between the sagging plate and lower perforated plate.

4. dry pipe ice evaporator according to claim 1, which is characterized in that the upper perforated plate and lower perforated plate of the cylinder it Between, it is equipped with orifice plate and up-hole plate from top to bottom on vertical direction at lower perforated plate, the orifice plate and up-hole plate are equipped with phase Same through-hole, the percent opening of the orifice plate are more than the percent opening of up-hole plate, and the upper and lower ends of the spoiler are connected to On upper perforated plate and up-hole plate.

5. dry pipe ice evaporator according to claim 4, which is characterized in that the percent opening of the up-hole plate is 23%, The percent opening of the orifice plate is 49%.

6. dry pipe ice evaporator according to claim 4, which is characterized in that the central axes of the cylinder are equipped with filler Mandrel, filler mandrel one end are fixed on upper perforated plate, the other end across up-hole plate positioned at up-hole plate and orifice plate, institute State the surface distribution intercommunicating pore of filler mandrel.

7. dry pipe ice evaporator according to claim 4, which is characterized in that pull rod is additionally provided in the cylinder, it is described Pull rod one end is connected on upper perforated plate, and the other end is across up-hole plate and orifice plate positioned at orifice plate and lower perforated plate.

8. dry pipe ice evaporator according to claim 1, which is characterized in that the dry pipe ice evaporator further includes cylinder Water tank above body, the water tank connect heat exchanger tube.