CN208075378U - The double plate evaporators of ice making - Google Patents

Abstract

The utility model provides a kind of double plate evaporators of ice making.Overheat gap is formed between the two panels evaporation veneer of the utility model, it includes several unit plate bodys to evaporate veneer, unit plate body it is upper, splicing component is set at lower edge, it is put down in cell board body to several circulation passages are arranged, the section of circulation passage is rectangle, evenly distributed several fins on the inner wall of circulation passage, the fixed closure plate in the both sides of unit plate body, cavity is set in closure plate, circulation passage is connected with cavity, one end of closure plate internal cavity is opening, closed plate is arranged in the other end, the cavity opening of two closure plates on same unit plate body is in oppositely arranged up and down；Several unit plate bodys are formed along file by splicing component connected, the closure plate of the neighbouring plate body of Unit two is to just connecting, the cavity opening of connection closure plate is set to be connected in sealing, it is connected to liquid supply pipe on a side stopboard of the unit plate body of bottommost, liquid back pipe is connected on a side stopboard of the unit plate body of topmost.

Description

The double plate evaporators of ice making

Technical field

The utility model belongs to field of mechanical technique, is related to a kind of ice maker, and especially a kind of ice making is evaporated with double plates Device.

Background technology

Plate ice machine is one kind of ice machine, generally mostly industrial ice machine.Produced ice is bulk.The plate ice that it is manufactured is not Regular, hard, transparent drying.Plate ice thickness and width can freely be adjusted according to purposes.

Evaporator is a critically important component in freezing four big parts, and the condensed fluid of low temperature is by evaporator, with the external world Air carry out heat exchange, gasification heat absorption, achieve the effect that refrigeration.Evaporator is mainly by heating room and vaporization chamber two parts group At.It heats room and is provided to liquid and evaporate required heat, liquid boiling is promoted to vaporize；Vaporization chamber makes gas-liquid two-phase divide completely From.

Evaporator in existing plate ice machine has the following problems：

Heat exchange efficiency of the refrigerant in evaporator is relatively low, and a large amount of loss of refrigeration capacity entrained by refrigerant is made to waste.Refrigeration Agent residence time in evaporator is short so that the working efficiency of unit refrigerant is low, when work to increase compressor Between and live load.Evaporator refrigeration effect is general, and the plate ice thickness produced is poor, and should not store, and easily melts.

Utility model content

The purpose of this utility model is the presence of the above problem in view of the prior art, it is proposed that a kind of serpentine-like by being arranged Bending path to enhance heat transfer effect, while adding inner wall of the pipe structure, the exposure level of enhancing and refrigerant promotes heat exchange The double plate evaporators of the ice making of efficiency.

The purpose of this utility model can be realized by following technical proposal：Ice making double plate evaporators, including two panels phase The evaporation veneer of face-off, the top of evaporation veneer described in two panels are fixedly connected with by installing floor, and bottom is fixedly connected with by mounting base, Formation overheats gap between evaporating veneer described in two panels, and the opposite lateral wall that veneer is evaporated described in two panels is chill surface, two panels institute The relative inner wall for stating evaporation veneer is heat-absorbent surface, and the evaporation veneer includes several unit plate bodys, the unit plate body Splicing component is arranged in upper and lower edge, is put down in the cell board body to several circulation passages are arranged, the circulation passage Section is rectangle, evenly distributed several fins on the inner wall of the circulation passage, and the both sides of the unit plate body are fixed stifled Plate, the closure plate is interior to be arranged cavity, and the circulation passage is connected with the cavity, and one end of the closure plate internal cavity is spacious Mouthful, closed plate is arranged in the other end, and the cavity opening of two closure plates on same unit plate body is in oppositely arranged up and down；It is several described Unit plate body is formed along file by splicing component connected, and the closure plate of the neighbouring plate body of Unit two keeps connection stifled to just connecting The cavity opening of plate is connected in sealing, and liquid supply pipe is connected on a side stopboard of the unit plate body of bottommost, is located at topmost Unit plate body a side stopboard on be connected to liquid back pipe.

By the blocking or conducting set by closure plate, multiple unit plate bodys of longitudinal arrangement are connected to form multistage bending Thus circulation path extends flow path length of the refrigerant in evaporator, extend delay duration of the refrigerant in evaporator, from And realize the abundant effect of refrigerant, its utilization rate is improved, condensation effect is enhanced.

In above-mentioned ice making in double plate evaporators, the fin is linear type or wave line style, the section of the fin Shape is arc-shaped or triangle.

In above-mentioned ice making in double plate evaporators, the quantity of fin is 8~20 in each circulation passage, described The width of fin is 0.3~1.8mm, and the height of the fin is 0.4~2.1mm, and the spacing between the adjacent fin is 1.2 ~3.6mm.

In above-mentioned ice making in double plate evaporators, the spacing in the overheat gap is 30mm~50mm.

In above-mentioned ice making in double plate evaporators, the splicing component includes positioned at the convex of unit plate body bottom side Item, the raised line are dovetail profile bar body, and the splicing component further includes the groove positioned at unit plate body top side, the groove For dovetail groove, the raised line, which is inserted into the groove, forms chimeric clamping.The clamping engagement of dove-tail form can effectively realize two pieces Being connected between plate body, avoids two plates from being detached from clamping easily by dovetail profile.

It is connected with installation floor in the above-mentioned ice making unit plate body in double plate evaporators, being located at topmost, institute The bottom side setting raised line of installation floor is stated, the raised line, which is inserted into the groove of unit plate body top side, forms chimeric clamping；Positioned at most The unit plate body of bottom is connected with mounting base, and dovetail groove is arranged in the top of the mounting base, unit plate body bottom side Raised line, which is inserted into the dovetail groove, forms chimeric clamping.

Refrigerant collides with the fin in it when flowing through circulation passage and contacts so that the turbulivity of refrigerant increases By force, extend the refrigerant residence time, fin surface increases and refrigerant contact area.

The shape of fin is more complicated, and heat transfer effect is better；The quantity of fin is more, and heat transfer effect is better；The specification of fin Bigger, heat transfer effect is better；The spacing of fin is smaller, and heat transfer effect is better.

The unit plate body is made of aluminum alloy materials, and the closure plate is made of aluminum alloy materials.Using aluminium alloy Material, to optimize ice-making effect, promotes working efficiency to improve heat exchange efficiency.

Compared with prior art, this ice making is had the following advantages with double plate evaporators：

By the way that serpentine-like bending path is arranged to increase length of flow across, the residence time of refrigerant, while flowing through pipe The fin that variform is added on road inner wall increases the turbulence intensity of refrigerant, residence time by the complex road condition of flow path, with The refrigerant reached in pipeline comes into full contact with heat exchange, final optimization pass condensation effect with side wall, and improving heat exchanging efficiency thickeies ice making production Product.

Description of the drawings

Fig. 1 is the main view sectional view that veneer is evaporated in this double plate evaporator.

Fig. 2 is the side view partial cutaway view of this double plate evaporator.

Fig. 3 is the external structure of this double plate evaporator.

In figure, 1, unit plate body；2, raised line；3, circulation passage；4, fin；5, closure plate；6, liquid supply pipe；7, liquid back pipe；8, Floor is installed；9, mounting base；10, gap is overheated.

Specific implementation mode

It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further Description, but the utility model is not limited to these examples.

As shown in Figure 1 to Figure 3, the double plate evaporators of this ice making, including evaporation veneer that two panels is opposite, two panels evaporation are single The top of plate is fixedly connected with by installing floor 8, and bottom is fixedly connected with by mounting base 9, and two panels forms overheat sky between evaporating veneer Gap 10, the opposite lateral wall that two panels evaporates veneer are chill surface, and the relative inner wall that two panels evaporates veneer is heat-absorbent surface, and evaporation is single Plate includes several unit plate bodys 1, and the upper and lower edge of unit plate body 1 is arranged splicing component, is put down to arrangement in unit plate body 1 Several circulation passages 3 are set, the section of circulation passage 3 is rectangle, evenly distributed several fins 4 on the inner wall of circulation passage 3, The fixed closure plate 5 in the both sides of unit plate body 1, closure plate 5 is interior to be arranged cavity, and circulation passage 3 is connected with cavity, 5 internal cavity of closure plate One end be opening, closed plate is arranged in the other end, and the cavity opening of two closure plates 5 on same unit plate body 1 is in reversed up and down Setting；Several unit plate bodys 1 are formed along file by splicing component connected, and the closure plate 5 of the neighbouring plate body of Unit two 1 is to just connecting It connects, so that the cavity opening of connection closure plate 5 is connected in sealing, feed flow is connected on a side stopboard 5 of the unit plate body 1 of bottommost Pipe 6 is located on a side stopboard 5 of the unit plate body 1 of topmost and is connected to liquid back pipe 7.

Fin 4 is linear type or wave line style, and the cross sectional shape of fin 4 is arc-shaped or triangle.

The quantity of fin 4 is 8~20 in each circulation passage 3, and the width of fin 4 is 0.3~1.8mm, the height of fin 4 Degree is 0.4~2.1mm, and the spacing between adjacent lugs 4 is 1.2~3.6mm.

The spacing for overheating gap 10 is 30mm~50mm.

Splicing component includes the raised line 2 positioned at 1 bottom side of unit plate body, and raised line 2 is dovetail profile bar body, and splicing component further includes Groove positioned at 1 top side of unit plate body, groove are dovetail groove, and raised line 2, which is inserted into groove, forms chimeric clamping.The clamping of dove-tail form Cooperation can effectively realize being connected between two boards body, avoid two plates from being detached from clamping easily by dovetail profile.

Unit plate body 1 positioned at topmost is connected with installation floor 8, and raised line 2 is arranged in the bottom side of installation floor 8, and raised line 2 is inserted Enter and forms chimeric clamping in the groove of 1 top side of unit plate body；Unit plate body 1 positioned at bottommost is connected with mounting base 9, mounting base Dovetail groove is arranged in 9 top, and the raised line 2 of 1 bottom side of unit plate body, which is inserted into dovetail groove, forms chimeric clamping.

The operation method of double plate evaporators, includes the following steps：

1), evaporator is connected in cooling cycle system, refrigerant, which is sent into two panels, by compressor evaporates veneer Liquid supply pipe 6；

2), refrigerant enters in the unit plate body 1 of evaporation veneer bottommost, by several circulation passages 3 by unit plate body 1 Side flow to the other side, reach the other side and entered in the adjacent unit plate body 1 in top by the closure plate 5 communicated again, thus existed Snakelike bending flow path is carried out in several closure plates 5 and several unit plate bodys 1, two panels is made to evaporate veneer during refrigerant flows through Outside chill surface is condensed, and refrigerant finally flows out evaporation veneer by liquid back pipe 7；

3), after the chill surface condensation of evaporation veneer, compressor stops inputting refrigerant to two panels evaporation veneer；

4), hot-fluid is from top to bottom injected in the overheat gap 10 between two panels evaporation veneer, is evaporated in veneer by two panels Side heat-absorbent surface absorbs heat to hot-fluid, is further conducted heat to its chill surface by evaporating veneer；

5), the chill surface condensation, heat-absorbent surface heat transfer of evaporation veneer, two operations are alternately.

By the blocking or conducting set by closure plate 5, multiple unit plate bodys 1 connection of longitudinal arrangement is formed into multistage bending Circulation path, thus extend flow path length of the refrigerant in evaporator, extend delay duration of the refrigerant in evaporator, To realize the abundant effect of refrigerant, its utilization rate is improved, enhances condensation effect.

Refrigerant collides with the fin 4 in it when flowing through circulation passage 3 and contacts so that the turbulivity of refrigerant increases By force, extend the refrigerant residence time, 4 surface of fin increases and refrigerant contact area.

The shape of fin 4 is more complicated, and heat transfer effect is better；The quantity of fin 4 is more, and heat transfer effect is better；The rule of fin 4 Lattice are bigger, and heat transfer effect is better；The spacing of fin 4 is smaller, and heat transfer effect is better.

Unit plate body 1 is made of aluminum alloy materials, and closure plate 5 is made of aluminum alloy materials.Use aluminum alloy materials with Heat exchange efficiency is improved, to optimize ice-making effect, promotes working efficiency.

This ice making is had the following advantages with double plate evaporators：

By the way that serpentine-like bending path is arranged to increase length of flow across, the residence time of refrigerant, while flowing through pipe The fin 4 that variform is added on road inner wall increases the turbulence intensity of refrigerant, residence time by the complex road condition of flow path, Heat exchange, final optimization pass condensation effect are come into full contact with to reach the refrigerant in pipeline and side wall, improving heat exchanging efficiency thickeies ice making Product.

The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.

Although unit plate body 1 is used more herein；Raised line 2；Circulation passage 3；Fin 4；Closure plate 5；Liquid supply pipe 6；It returns Liquid pipe 7；Floor 8 is installed；Mounting base 9；The terms such as gap 10 are overheated, but it does not preclude the possibility of using other terms.It uses These terms are used for the purpose of more easily describing and explaining the essence of the utility model；It is additional to be construed as any type Limitation be all contrary to the spirit of the present invention.

Claims (6)

1. the double plate evaporators of ice making, including evaporation veneer that two panels is opposite, pass through peace at the top of evaporation veneer described in two panels Dress floor is fixedly connected with, and bottom is fixedly connected with by mounting base, and formation overheat gap between veneer is evaporated described in two panels, is steamed described in two panels The opposite lateral wall of bill plate is chill surface, and the relative inner wall that veneer is evaporated described in two panels is heat-absorbent surface, which is characterized in that institute It includes several unit plate bodys to state evaporation veneer, and splicing component, the cell board is arranged in the upper and lower edge of the unit plate body It puts down in vivo to several circulation passages are arranged, the section of the circulation passage is rectangle, on the inner wall of the circulation passage Evenly distributed several fins, the fixed closure plate in both sides of the unit plate body, the closure plate is interior to be arranged cavity, the circulation passage It is connected with the cavity, one end of the closure plate internal cavity is open, other end setting closed plate, on same unit plate body The cavity opening of two closure plates is in oppositely arranged up and down；Several unit plate bodys formed by splicing component along file it is connected, The closure plate of the neighbouring plate body of Unit two makes the cavity opening of connection closure plate be connected in sealing, is located at bottommost to just connecting It is connected to liquid supply pipe on one side stopboard of unit plate body, liquid back pipe is connected on a side stopboard of the unit plate body of topmost.

2. the double plate evaporators of ice making according to claim 1, which is characterized in that the fin is linear type or wave The cross sectional shape of type, the fin is arc-shaped or triangle.

3. the double plate evaporators of ice making according to claim 1, which is characterized in that fin in each circulation passage Quantity is 8~20, and the width of the fin is 0.3~1.8mm, and the height of the fin is 0.4~2.1mm, adjacent described Spacing between fin is 1.2~3.6mm.

4. the double plate evaporators of ice making according to claim 1, which is characterized in that the spacing in the overheat gap is 30mm ~50mm.

5. the double plate evaporators of ice making according to claim 1, which is characterized in that the splicing component includes positioned at described The raised line of unit plate body bottom side, the raised line are dovetail profile bar body, and the splicing component further includes being located at unit plate body top The groove of side, the groove are dovetail groove, and the raised line, which is inserted into the groove, forms chimeric clamping.

6. the double plate evaporators of ice making according to claim 5, which is characterized in that be located at the unit plate body of topmost It is connected with installation floor, raised line is arranged in the bottom side of the installation floor, and the raised line is inserted into shape in the groove of unit plate body top side At chimeric clamping；The unit plate body positioned at bottommost is connected with mounting base, and dovetail groove, institute is arranged in the top of the mounting base The raised line for stating unit plate body bottom side is inserted into the chimeric clamping of formation in the dovetail groove.