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CN118066760A - Ice machine system and conveying pump thereof - Google Patents

Ice machine system and conveying pump thereof Download PDF

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Publication number
CN118066760A
CN118066760A CN202410401856.3A CN202410401856A CN118066760A CN 118066760 A CN118066760 A CN 118066760A CN 202410401856 A CN202410401856 A CN 202410401856A CN 118066760 A CN118066760 A CN 118066760A
Authority
CN
China
Prior art keywords
pump
ice
guide vane
inlet pipe
pipe
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202410401856.3A
Other languages
Chinese (zh)
Inventor
莫丹君
颜之渊
颜博洋
莫铖扬
颜卫兵
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Hongye Equipment Technology Co ltd
Original Assignee
Zhejiang Hongye Equipment Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhejiang Hongye Equipment Technology Co ltd filed Critical Zhejiang Hongye Equipment Technology Co ltd
Priority to CN202410401856.3A priority Critical patent/CN118066760A/en
Publication of CN118066760A publication Critical patent/CN118066760A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25CPRODUCING, WORKING OR HANDLING ICE
    • F25C1/00Producing ice
    • F25C1/12Producing ice by freezing water on cooled surfaces, e.g. to form slabs
    • F25C1/14Producing ice by freezing water on cooled surfaces, e.g. to form slabs to form thin sheets which are removed by scraping or wedging, e.g. in the form of flakes
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25CPRODUCING, WORKING OR HANDLING ICE
    • F25C5/00Working or handling ice
    • F25C5/02Apparatus for disintegrating, removing or harvesting ice
    • F25C5/04Apparatus for disintegrating, removing or harvesting ice without the use of saws
    • F25C5/12Ice-shaving machines

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

The invention discloses an ice maker system and a delivery pump thereof, wherein the ice maker system comprises an ice making mechanism, a refrigerating mechanism and a water circulating mechanism; the method is characterized in that: the water circulation mechanism comprises a circulation pipe, a first pipeline and a water pump, the circulation pipe is connected with the water pump through the first pipeline, and the water pump is connected with the water inlet pipe through the pipeline; the ice outlet pipe is connected with an ice conveying pipe, and the ice conveying pipe is connected with a water pump through a second pipeline; the water pump (20) comprises a volute (21), an impeller (22) and a pump rotating shaft (23), wherein a pump inlet pipe (24) is arranged at the inlet end of the volute, an adjusting mechanism (28) is arranged in the pump inlet pipe, the adjusting mechanism is arranged at the upstream end of the centrifugal impeller, and the adjusting mechanism plays a role in diversion and sealing. The invention can improve the diversion and sealing effect of the inlet end of the centrifugal impeller, thereby reducing the turbulence and flow loss of the inlet end of the impeller, ensuring the stability of the output pressure and flow of the water pump and improving the running stability of the delivery pump.

Description

Ice machine system and conveying pump thereof
Technical Field
The invention relates to the technical field of ice machines, in particular to an ice machine system and a conveying pump thereof.
Background
The existing ice maker system comprises an ice maker mechanism, a refrigerating mechanism and a water circulation mechanism, wherein the ice maker mechanism comprises a shell, an upper end cover, a lower end cover, a rotating shaft and a spiral scraping blade, wherein the two ends of the shell are respectively connected with the upper end cover and the lower end cover; the refrigerating mechanism comprises a compressor, a condenser and an expansion valve; the water circulation mechanism comprises a water pump, and the water pump is connected with the water inlet pipe through a pipeline. However, the existing delivery pump still has the problems of poor flow guiding and sealing effects of the inlet end of the impeller, poor stability of the output pressure/flow of the water pump and further improvement.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides an ice machine system and a delivery pump thereof, which can improve the diversion and sealing effects of the inlet end of a centrifugal impeller by the design of an adjusting mechanism of the delivery pump, thereby reducing turbulent flow and flow loss of the inlet end of the impeller, ensuring the stability of the output pressure and flow of the water pump and improving the running stability of the delivery pump.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
The ice maker system comprises an ice maker mechanism, a refrigerating mechanism and a water circulation mechanism, wherein the ice maker mechanism comprises a shell (1), an upper end cover (2), a lower end cover (3), a rotating shaft (4) and a spiral scraping blade (5), wherein the upper end cover and the lower end cover are respectively connected to two ends of the shell, the rotating shaft and the spiral scraping blade are arranged in the shell, the shell comprises an outer cylinder body (11), a middle cylinder body (12) and an inner cylinder body (13) which are sequentially arranged along the radial direction, a heat insulation cavity is formed between the outer cylinder body and the middle cylinder body, a refrigerating cavity is formed between the middle cylinder body and the inner cylinder body, an ice making cavity is formed in an inner cavity of the inner cylinder body, a water inlet pipe (14) and a refrigerant inlet pipe (16) are connected to the lower end of the shell, the water inlet pipe is communicated with the ice making cavity, the refrigerant inlet pipe is communicated with the refrigerating cavity, and an ice outlet pipe (15) and a refrigerant outlet pipe (17) are connected to the upper end of the shell, and the refrigerant outlet pipe is communicated with the refrigerating cavity; the refrigerating mechanism comprises a compressor, a condenser and an expansion valve; the method is characterized in that: the water circulation mechanism comprises a circulation pipe (18), a first pipeline (19), a water pump (20) and a second pipeline, the circulation pipe is arranged on the lower end cover and connected with the water pump through the first pipeline, and the water pump is connected with the water inlet pipe through the pipeline; the ice outlet pipe is connected with an ice conveying pipe, and the ice conveying pipe is connected with a water pump through a second pipeline.
The utility model provides a delivery pump for ice maker system, the delivery pump is the water pump, water pump (20) include spiral case (21), centrifugal impeller (22), pump pivot (23), centrifugal impeller installs in the spiral case and installs in pump pivot, the entrance point of spiral case is provided with pump intake pipe (24), centrifugal impeller includes front disc (25), back disc (26), blade (27), a plurality of blades distribute along circumference and connect between front disc and back disc, install adjustment mechanism (28) in the pump intake pipe, adjustment mechanism sets up in centrifugal impeller's upstream end, adjustment mechanism plays water conservancy diversion, sealed effect; the adjusting mechanism (28) comprises an outer ring (281), an inner ring (282) and first guide vanes (283), wherein the first guide vanes are connected between the outer ring and the inner ring, the plurality of first guide vanes are distributed along the circumferential direction, the first guide vanes are oppositely arranged with the inlet ring of the front disc and form a first sealing gap between the first guide vanes and the inlet ring of the front disc, the outer ring is arranged on the inner circumferential wall of the pump inlet pipe and is axially positioned through a positioning sleeve (29), and the positioning sleeve is arranged on the inner circumferential wall of the pump inlet pipe.
Further, the adjusting mechanism (28) further comprises second guide vanes (284), the second guide vanes are arranged on the inner peripheral wall of the inner ring, the plurality of second guide vanes are distributed along the circumferential direction, a second sealing gap is formed between the downstream ends of the second guide vanes and the inlet ring of the front disc (25), the first sealing gap extends along the radial direction, and the second sealing gap extends along the axial direction.
Further, a third guide vane (30) is arranged on the outer peripheral surface of the inlet ring of the front disc (25), a plurality of third guide vanes are distributed along the circumferential direction, a third sealing gap is formed between the third guide vane and the inner peripheral surface or the sealing ring of the inner peripheral surface of the pump inlet pipe (24), the third sealing gap extends along the axial direction, the third guide vane and the first guide vane (283) are oppositely arranged in the axial direction, and the third guide vane is formed in a material removal grooving mode.
Further, the outer circumferential surface of the outer ring (281) is provided with a plurality of positioning holes, the positioning holes are distributed along the circumferential direction, the pump inlet pipe (24) is provided with one or a plurality of connecting holes, and the connecting holes are connected with positioning connecting pieces (31) in a sealing way; the adjusting mechanism (28) can rotate along the circumferential direction so as to realize the positioning and connection of the positioning connecting piece and different positioning holes; the positioning connecting piece (31) is used for realizing the adjustment and the positioning of a plurality of positions of the adjusting mechanism (28) in the circumferential direction, thereby realizing the preset corresponding relation between the first guide vane (283) and the third guide vane (30).
Further, the first guide vane, the second guide vane and the third guide vane are plate-shaped, and the molded lines of the first guide vane, the second guide vane and the third guide vane are obliquely arranged relative to the rotation axis of the centrifugal impeller (22); or arc-shaped and the molded line of the arc-shaped impeller is bent relative to the rotation axis of the centrifugal impeller.
Further, the positioning sleeve (29) comprises a cylinder section (291) and a positioning stage (292), wherein the downstream end of the cylinder section is abutted against the outer ring (281), the upstream end of the cylinder section is provided with the positioning stage, and the positioning stage is matched in a positioning groove of a flange at the upstream end of the pump inlet pipe (24).
Further, the second guide vane (284) has an axial length L, the first guide vane (283) has an axial length L3, the second guide vane and the third guide vane (30) have an axial overlap length L2 therebetween, and the first seal gap has an axial length L1, l1+l2+l3=l.
Further, the axial length l1= (0.02-0.3) L, l2= (0.15-0.45) L, l3= (0.4-0.7) L.
Further, the first guide vane (283) has a radial width h, h= (0.15-0.45) L.
The ice maker system and the delivery pump thereof have the following beneficial technical effects:
(1) According to the invention, through the design of the adjusting mechanism, the diversion and sealing effects of the inlet end of the centrifugal impeller can be improved, so that turbulence and flow loss of the inlet end of the impeller can be reduced, the stability of the output pressure and flow of the water pump can be ensured, and the running stability of the delivery pump can be improved.
(2) The invention can rotate along the circumferential direction through the adjusting mechanism so as to realize the positioning and connection of the positioning connecting piece and different positioning holes, thereby realizing the preset corresponding relation between the first guide vane and the third guide vane; through the specific structure of adjustment mechanism and the design of parameter/size (axial length L1, L2, L3, L, radial width h), can further improve the water conservancy diversion, the sealed effect of centrifugal impeller entrance point to can reduce impeller entrance point's turbulent flow, flow loss, thereby can guarantee the stability of water pump output pressure, flow, improve the running stability of delivery pump.
(3) The invention can realize the recycling of water in the ice making mechanism, improve the flow state of ice water medium in the ice making mechanism and realize the recycling of water in the ice conveying process by the design of the water circulating mechanism.
Drawings
FIG. 1 is a schematic diagram of an ice making machine system according to the present invention;
FIG. 2 is a schematic diagram of a transfer pump of the ice maker system of the present invention;
FIG. 3 is a schematic view of a partially enlarged configuration of a transfer pump of the ice maker system of the present invention;
fig. 4 is a schematic view of a partially enlarged structure of a transfer pump of the ice maker system of the present invention.
In the figure: the device comprises a shell 1, an upper end cover 2, a lower end cover 3, a rotating shaft 4, a spiral scraping blade 5, a speed changer 6, a motor 7, a spiral guide plate 8, a spoiler 9, an outer cylinder 11, a middle cylinder 12, an inner cylinder 13, a water inlet pipe 14, an ice outlet pipe 15, a refrigerant inlet pipe 16, a refrigerant outlet pipe 17, a circulating pipe 18, a first pipeline 19 and a water pump 20; the volute 21, centrifugal impeller 22, pump shaft 23, pump inlet 24, front disk 25, rear disk 26, vanes 27, adjustment mechanism 28, positioning sleeve 29, third guide vane 30, positioning connector 31, outer ring 281, inner ring 282, first guide vane 283, second guide vane 284, barrel section 291, positioning stage 292.
Detailed Description
In order to make the technical solution of the present invention and its advantages more clear, the technical solution of the present invention will be further and completely described in detail with reference to the accompanying drawings, it being understood that the specific embodiments described herein are only some of the embodiments of the present invention, which are for explanation of the present invention and not for limitation of the present invention. It should be noted that, for convenience of description, only the part/structure related to the present invention is shown in the drawings, and other related parts may refer to the general design, and the embodiments of the present invention and the technical features of the embodiments may be combined with each other to obtain new embodiments without conflict.
All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention. Furthermore, unless defined otherwise, technical or scientific terms used in the description of the invention should be given the ordinary meaning as understood by one of ordinary skill in the art to which the invention pertains.
The invention is described in further detail below with reference to the accompanying drawings.
As shown in fig. 1, the ice maker system of the invention comprises an ice maker mechanism, a refrigerating mechanism and a water circulation mechanism, wherein the ice maker mechanism comprises a shell 1, an upper end cover 2, a lower end cover 3, a rotating shaft 4 and a spiral scraping blade 5, wherein the two ends of the shell 1 are respectively connected with the upper end cover 2 and the lower end cover 3, the rotating shaft 4 and the spiral scraping blade 5 are arranged in the shell 1, the spiral scraping blade 5 is fixedly connected to the peripheral wall of the rotating shaft 4 and spirally extends along the axial direction of the rotating shaft 4, the two ends of the rotating shaft 4 are respectively connected with the shell 1 in a rotating way through bearings, and one end of the rotating shaft 4 is in transmission connection with a motor 7 through a transmission 6; the shell 1 comprises an outer cylinder 11, a middle cylinder 12 and an inner cylinder 13 which are sequentially arranged along the radial direction, a heat insulation cavity is formed between the outer cylinder 11 and the middle cylinder 12, a refrigeration cavity is formed between the middle cylinder 12 and the inner cylinder 13, the inner cavity of the inner cylinder 13 forms an ice making cavity, a spiral guide plate 8 is arranged in the refrigeration cavity, the spiral guide plate 8 extends spirally along the axial direction, a plurality of turbulence pieces 9 are arranged in the refrigeration cavity, and the turbulence pieces 9 are arranged on the peripheral wall of the inner cylinder 13 or on the spiral blade surfaces of the spiral guide plate 8; the lower extreme of casing 1 is connected with inlet tube 14, refrigerant import pipe 16, and inlet tube 14 is linked together with the system ice chamber, and refrigerant import pipe 16 is linked together with the refrigeration chamber, and the upper end of casing 1 is connected with out ice pipe 15, refrigerant outlet pipe 17, and out ice pipe 15 is linked together with the system ice chamber, and refrigerant outlet pipe 17 is linked together with the refrigeration chamber.
The refrigeration mechanism includes a compressor, a condenser, an expansion valve, and a refrigerant outlet pipe 17 connected/communicating with the compressor, the condenser, the expansion valve, and the refrigerant inlet pipe 16 through pipelines.
The water circulation mechanism comprises a circulation pipe 18, a first pipeline 19, a water pump 20 and a second pipeline, the circulation pipe 18 is arranged on the lower end cover 3, the circulation pipe 18 is connected/communicated with the water pump 20 through the first pipeline 19, and the water pump 20 is connected with the water inlet pipe 14 through the pipeline; the ice outlet pipe 15 is connected with an ice conveying pipe, and the ice conveying pipe is connected with the water pump 20 through a second pipeline. The invention can realize the recycling of water in the ice making mechanism, improve the flow state of ice water medium in the ice making mechanism and realize the recycling of water in the ice conveying process by the design of the water circulating mechanism.
As shown in fig. 2-4, arrow "→" indicates the flow direction of fluid, a water pump 20 of the present invention comprises a volute 21, a centrifugal impeller 22, and a pump rotating shaft 23, the centrifugal impeller 22 is installed in the volute 21 and installed on the pump rotating shaft 23, the inlet end of the volute 21 is provided with a pump inlet pipe 24, the centrifugal impeller 22 comprises a front disk 25, a rear disk 26, and a plurality of blades 27 distributed circumferentially and connected between the front disk 25 and the rear disk 26, an adjusting mechanism 28 is installed in the pump inlet pipe 24, the adjusting mechanism 28 is disposed at the upstream end of the centrifugal impeller 22, and the adjusting mechanism 28 plays a role in guiding and sealing.
The adjusting mechanism 28 includes an outer ring 281, an inner ring 282, and first guide vanes 283, wherein the first guide vanes 283 are connected between the outer ring 281 and the inner ring 282, the plurality of first guide vanes 283 are circumferentially distributed, the first guide vanes 283 are disposed opposite to the inlet ring of the front plate 25 and form a first sealing gap therebetween, the outer ring 281 is mounted on the inner peripheral wall of the pump inlet pipe 24, and is axially positioned by a positioning sleeve 29, and the positioning sleeve 29 is mounted on the inner peripheral wall of the pump inlet pipe 24.
The adjusting mechanism 28 further includes second guide vanes 284, where the second guide vanes 284 are disposed on an inner peripheral wall of the inner ring 282, and a plurality of second guide vanes 284 are distributed circumferentially, and a second sealing gap is formed between a downstream end of the second guide vanes 284 and the inlet ring of the front disk 25, the first sealing gap extending in a radial direction, and the second sealing gap extending in an axial direction.
According to the invention, through the design of the regulating mechanism 28, the diversion and sealing effects of the inlet end of the centrifugal impeller 22 can be improved, so that turbulence and flow loss of the inlet end of the impeller can be reduced, the stability of the output pressure and flow of the water pump can be ensured, and the running stability of the delivery pump can be improved.
Further, the outer circumferential surface of the inlet ring of the front disk 25 is provided with a third guide vane 30, a plurality of third guide vanes 30 are distributed in the circumferential direction, a third sealing gap is formed between the third guide vane 30 and the inner circumferential surface (or the sealing ring of the inner circumferential surface) of the pump inlet pipe 24, the third sealing gap extends in the axial direction, the third guide vane 30 is disposed opposite to the first guide vane 283 in the axial direction, and the third guide vane 30 is formed in a form of a removed material groove.
The outer circumferential surface of the outer ring 281 is provided with a plurality of positioning holes which are distributed along the circumferential direction, the pump inlet pipe 24 is provided with one or a plurality of connecting holes, and the connecting holes are connected with positioning connecting pieces 31 in a sealing way; the adjusting mechanism 28 can rotate along the circumferential direction to realize the positioning and connection of the positioning connecting piece 31 and different positioning holes, and the positioning connecting piece 31 is used for realizing the adjustment and positioning/fixing of a plurality of positions of the adjusting mechanism 28 along the circumferential direction, so as to realize the preset corresponding relation between the first guide vane 283 and the third guide vane 30. The first guide vanes 283 are disposed at a certain angle (the angle of the stagger can be adjusted according to design and process requirements) or aligned with the third guide vanes 30 in the circumferential direction.
According to the invention, through the design of the adjusting mechanism 28, particularly the adjusting mechanism 28 can rotate along the circumferential direction, so that the positioning connecting piece 31 is positioned and connected with different positioning holes, the preset corresponding relation between the first guide vane 283 and the third guide vane 30 is realized, the flow guiding and sealing effect of the inlet end of the centrifugal impeller 22 can be further improved, the turbulence and flow loss of the inlet end of the impeller can be reduced, the stability of the output pressure and flow of the water pump can be ensured, and the running stability of the conveying pump is improved.
Further, the first guide vane 283, the second guide vane 284, the third guide vane 30 are plate-shaped and have molded lines inclined with respect to the rotation axis of the centrifugal impeller 22; or in the shape of an arc or spiral arc with a profile curved with respect to the axis of rotation of centrifugal impeller 22.
The positioning sleeve 29 comprises a cylinder section 291 and a positioning stage 292, wherein the downstream end of the cylinder section 291 is abutted against the outer ring 281, the upstream end is provided with the positioning stage 292, and the positioning stage 292 is matched in a positioning groove of a flange at the upstream end of the pump inlet pipe 24.
As shown in fig. 3-4, arrow "→" indicates the fluid flow direction, the second guide vane 284 has an axial length L, the first guide vane 283 has an axial length L3, the second guide vane 284 and the third guide vane 30 have an axial overlap length L2, and the first seal gap has an axial length L1, l1+l2+l3=l.
Axial length l1= (0.05-0.25) L, preferably 0.15; l2= (0.2-0.4) L, preferably 0.3; l3= (0.45-0.65) L, preferably 0.55.
The first guide vanes 283 have a radial width h, h= (0.2-0.4) L, preferably 0.3.
According to the invention, through the specific structure and parameter/size design (axial lengths L1, L2, L3 and L and radial width h) of the adjusting mechanism 28, the flow guiding and sealing effects of the inlet end of the centrifugal impeller 22 can be further improved, so that turbulence and flow loss of the inlet end of the impeller can be reduced, the stability of the output pressure and flow of the water pump can be ensured, and the running stability of the delivery pump can be improved.
The ice maker system and the delivery pump thereof have the following beneficial technical effects:
(1) According to the invention, through the design of the regulating mechanism 28, the diversion and sealing effects of the inlet end of the centrifugal impeller 22 can be improved, so that turbulence and flow loss of the inlet end of the impeller can be reduced, the stability of the output pressure and flow of the water pump can be ensured, and the running stability of the delivery pump can be improved.
(2) The invention can rotate along the circumferential direction through the adjusting mechanism 28 to realize the positioning and connection of the positioning connecting piece 31 and different positioning holes, thereby realizing the preset corresponding relation between the first guide vane 283 and the third guide vane 30; through the specific structure of the adjusting mechanism 28 and the design of parameters/dimensions (axial lengths L1, L2, L3, L and radial width h), the flow guiding and sealing effects of the inlet end of the centrifugal impeller 22 can be further improved, so that turbulence and flow loss of the inlet end of the impeller can be reduced, the stability of the output pressure and flow of the water pump can be ensured, and the running stability of the delivery pump can be improved.
(3) The invention can realize the recycling of water in the ice making mechanism, improve the flow state of ice water medium in the ice making mechanism and realize the recycling of water in the ice conveying process by the design of the water circulating mechanism.
The above-described embodiments are illustrative of the present invention and are not intended to be limiting, and it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the spirit and scope of the present invention as defined by the appended claims and their equivalents.

Claims (10)

1. The ice maker system comprises an ice maker mechanism, a refrigerating mechanism and a water circulation mechanism, wherein the ice maker mechanism comprises a shell (1), an upper end cover (2), a lower end cover (3), a rotating shaft (4) and a spiral scraping blade (5), wherein the upper end cover and the lower end cover are respectively connected to two ends of the shell, the rotating shaft and the spiral scraping blade are arranged in the shell, the shell comprises an outer cylinder body (11), a middle cylinder body (12) and an inner cylinder body (13) which are sequentially arranged along the radial direction, a heat insulation cavity is formed between the outer cylinder body and the middle cylinder body, a refrigerating cavity is formed between the middle cylinder body and the inner cylinder body, an ice making cavity is formed in an inner cavity of the inner cylinder body, a water inlet pipe (14) and a refrigerant inlet pipe (16) are connected to the lower end of the shell, the water inlet pipe is communicated with the ice making cavity, the refrigerant inlet pipe is communicated with the refrigerating cavity, and an ice outlet pipe (15) and a refrigerant outlet pipe (17) are connected to the upper end of the shell, and the refrigerant outlet pipe is communicated with the refrigerating cavity; the refrigerating mechanism comprises a compressor, a condenser and an expansion valve; the method is characterized in that: the water circulation mechanism comprises a circulation pipe (18), a first pipeline (19), a water pump (20) and a second pipeline, the circulation pipe is arranged on the lower end cover and connected with the water pump through the first pipeline, and the water pump is connected with the water inlet pipe through the pipeline; the ice outlet pipe is connected with an ice conveying pipe, and the ice conveying pipe is connected with a water pump through a second pipeline.
2. The ice maker system according to claim 1, wherein the water pump (20) comprises a volute (21), a centrifugal impeller (22) and a pump rotating shaft (23), the centrifugal impeller is installed in the volute and is installed on the pump rotating shaft, a pump inlet pipe (24) is arranged at an inlet end of the volute, the centrifugal impeller comprises a front disc (25), a rear disc (26) and blades (27), a plurality of blades are circumferentially distributed and connected between the front disc and the rear disc, an adjusting mechanism (28) is installed in the pump inlet pipe, the adjusting mechanism is arranged at an upstream end of the centrifugal impeller, and the adjusting mechanism plays a role of diversion and sealing; the adjusting mechanism (28) comprises an outer ring (281), an inner ring (282) and first guide vanes (283), wherein the first guide vanes are connected between the outer ring and the inner ring, the plurality of first guide vanes are distributed along the circumferential direction, the first guide vanes are oppositely arranged with the inlet ring of the front disc and form a first sealing gap between the first guide vanes and the inlet ring of the front disc, the outer ring is arranged on the inner circumferential wall of the pump inlet pipe and is axially positioned through a positioning sleeve (29), and the positioning sleeve is arranged on the inner circumferential wall of the pump inlet pipe.
3. The ice maker system according to claim 2, wherein said adjustment mechanism (28) further comprises second guide vanes (284) provided to an inner peripheral wall of the inner ring, the plurality of second guide vanes being circumferentially distributed, a second seal gap being formed between a downstream end of the second guide vanes and an inlet ring of the front plate (25), the first seal gap extending in a radial direction, the second seal gap extending in an axial direction.
4. The ice maker system according to claim 3, wherein an outer peripheral surface of the inlet ring of said front plate (25) is provided with a third guide vane (30) circumferentially distributed, a third seal gap is formed between the third guide vane and an inner peripheral surface or a seal ring of the inner peripheral surface of the pump inlet pipe (24), the third seal gap extends in an axial direction, the third guide vane is disposed opposite to the first guide vane (283) in an axial direction, and the third guide vane is formed in a form of a material removal groove.
5. The ice maker system according to claim 4, wherein a plurality of positioning holes are formed in the outer circumferential surface of the outer ring (281), the plurality of positioning holes are distributed along the circumferential direction, one or more connecting holes are formed in the pump inlet pipe (24), and the positioning connecting pieces (31) are connected to the connecting holes in a sealing manner; the adjusting mechanism (28) can rotate along the circumferential direction so as to realize the positioning and connection of the positioning connecting piece and different positioning holes; the positioning connecting piece (31) is used for realizing the adjustment and the positioning of a plurality of positions of the adjusting mechanism (28) in the circumferential direction, thereby realizing the preset corresponding relation between the first guide vane (283) and the third guide vane (30).
6. The ice-making machine system according to claim 5, wherein said first, second and third guide vanes are plate-like and have a profile inclined with respect to the rotational axis of the centrifugal impeller (22); or arc-shaped and the molded line of the arc-shaped impeller is bent relative to the rotation axis of the centrifugal impeller.
7. The ice maker system according to claim 6, wherein said positioning sleeve (29) comprises a barrel section (291) having a downstream end abutting against the outer ring (281), and a positioning stage (292) provided at an upstream end thereof for fitting into a positioning groove of a flange at an upstream end of the pump inlet pipe (24).
8. The ice maker system according to claim 5, wherein said second guide vane (284) has an axial length L, said first guide vane (283) has an axial length L3, said second guide vane and said third guide vane (30) have an axial overlap length L2 therebetween, and said first seal gap has an axial length L1, l1+l2+l3=l.
9. The ice-making machine system of claim 8, wherein the axial lengths l1= (0.02-0.3) L, l2= (0.15-0.45) L, l3= (0.4-0.7) L.
10. The ice maker system according to claim 9, wherein said first guide vane (283) has a radial width h, h= (0.15-0.45) L.
CN202410401856.3A 2024-04-03 2024-04-03 Ice machine system and conveying pump thereof Pending CN118066760A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202410401856.3A CN118066760A (en) 2024-04-03 2024-04-03 Ice machine system and conveying pump thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202410401856.3A CN118066760A (en) 2024-04-03 2024-04-03 Ice machine system and conveying pump thereof

Publications (1)

Publication Number Publication Date
CN118066760A true CN118066760A (en) 2024-05-24

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202410401856.3A Pending CN118066760A (en) 2024-04-03 2024-04-03 Ice machine system and conveying pump thereof

Country Status (1)

Country Link
CN (1) CN118066760A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN119196977A (en) * 2024-11-26 2024-12-27 宁波惠康工业科技股份有限公司 Lightweight and efficient screw evaporator

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN119196977A (en) * 2024-11-26 2024-12-27 宁波惠康工业科技股份有限公司 Lightweight and efficient screw evaporator

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