CN214148405U - Constant-temperature variable-frequency water chilling unit - Google Patents

Abstract

The utility model discloses a constant temperature frequency conversion cooling water set, which comprises an evaporator, wherein the evaporator comprises a shell, a plurality of thick pipes are arranged inside the shell, a refrigerant inlet communicated with the thick pipes is arranged below the shell, a refrigerant outlet communicated with the thick pipes is arranged above the shell, a scraper blade capable of moving up and down is arranged inside the shell, a hot material outlet communicated with the shell is arranged above one side of the shell, a hot material inlet communicated with the shell is arranged below one side of the shell, baffles are arranged below and above the inside of the shell and are fixedly connected with the upper end and the lower end of the thick pipes, the utility model runs hot materials inside the shell, runs the refrigerant inside the thick pipes to realize cold and heat exchange, and scale generated by the hot materials is left on the inner wall of the shell and the outer wall of the thick pipes to avoid the scale from accumulating on the inner wall of the thick pipes, and the scraper blade that sets up can scrape the incrustation scale for heat exchange efficiency can improve.

Description

Constant-temperature variable-frequency water chilling unit

Technical Field

The utility model relates to a cold water machine technical field specifically is a constant temperature frequency conversion cooling water set.

Background

For the cold water machine, inside evaporimeter is the essential element, and the inside pipeline that sets up of shell and tube evaporimeter, refrigerant are in the outside operation of pipeline, and the hot material is in the inside operation of pipeline, and the incrustation scale that the hot material produced is piled up on the inner wall of pipeline, influences heat transfer effect.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a constant temperature frequency conversion cooling water set to solve the refrigerant in the outside operation of pipeline, hot material is in the inside operation of pipeline, and the incrustation scale that hot material produced is piled up on the inner wall of pipeline, influences the problem of heat transfer effect.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a constant temperature frequency conversion cooling water set, includes the evaporimeter, the evaporimeter includes the shell, the inside of shell is equipped with a plurality of thick pipes, the below of shell is equipped with the refrigerant import with thick pipe intercommunication, and the top of shell is equipped with the refrigerant export with thick pipe intercommunication, but the inside of shell is equipped with up-and-down motion's scraper blade, one side top of shell is equipped with the hot material export with the shell intercommunication, and one side below of shell is equipped with the hot material import with the shell intercommunication.

Preferably, baffles are arranged below and above the inner part of the shell, the baffles are fixedly connected with the upper end and the lower end of the thick pipe, and a reserved space is arranged between the baffles and the upper end and the lower end of the shell.

Preferably, the scraper blade is provided with an opening at a position corresponding to the thick pipe, the thick pipe penetrates through the opening, the scraping tip is arranged on the outer portion of the circumference of the scraper blade, and the scraping tip is arranged on the inner edge of the opening.

Preferably, the lifting assembly is installed on both the upper and lower sides of the housing.

Preferably, the lifting assembly comprises a pull rope fixedly connected to the upper and lower sides of the two sides of the scraper, the upper and lower sides of the shell are rotatably provided with a reel, the pull rope is fixedly connected with the corresponding reel, and one end of the reel is provided with a motor for driving the reel to rotate forwards and backwards.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses with the inside operation of hot material at the shell, with the inside operation of refrigerant at the thick pipe for cold and heat exchange, and make the incrustation scale that hot material produced stay on the inner wall of shell and on the outer wall of thick pipe, pile up on the inner wall of thick pipe with avoiding the incrustation scale, and the scraper blade of setting can scrape the incrustation scale off, make heat exchange efficiency can improve.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a far-away view of the present invention;

FIG. 2 is a schematic diagram of an evaporator according to the present invention;

FIG. 3 is an exploded view of the evaporator of the present invention;

fig. 4 is a schematic view of the internal structure of the scraper of the present invention.

In the figure: 1. a compressor; 2. a frequency converter; 3. a condenser; 4. a dryer; 5. an expansion valve; 6. an evaporator; 61. a housing; 62. a thick pipe; 63. a baffle plate; 64. a hot material outlet; 65. a hot material inlet; 66. a refrigerant inlet; 67. a refrigerant outlet; 7. a squeegee; 71. scraping a tip; 8. a lifting assembly; 81. a reel; 82. pulling a rope; 83. an electric motor.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, in an embodiment of the present invention, a constant temperature variable frequency water chilling unit includes a compressor 1, a frequency converter 2, a condenser 3, a dryer 4, an expansion valve 5, and an evaporator 6, a liquid refrigerant (refrigerant/snow seed/R22) absorbs heat of a cooled object in the evaporator 6 and evaporates into steam, the compressor 1 continuously extracts generated steam from the evaporator 6, compresses the steam into high temperature and high pressure steam, and sends the steam to the condenser 3. The high-temperature and high-pressure steam releases heat to a cooling medium (such as water, air and the like) and is condensed into high-pressure liquid, the high-pressure liquid enters an evaporator after being subjected to pressure reduction through an expansion valve 5, is gasified again, absorbs the heat of a cooled substance, and circulates repeatedly in this way to realize refrigeration;

referring to fig. 2 and 3, in the evaporator 6, the evaporator 6 includes a housing 61, a plurality of thick pipes 62 are disposed inside the housing 61, a refrigerant inlet 66 communicated with the thick pipes 62 is disposed below the housing 61, a refrigerant outlet 67 communicated with the thick pipes 62 is disposed above the housing 61, a scraper 7 capable of moving up and down is disposed inside the housing 61, a hot material outlet 64 communicated with the housing 61 is disposed above one side of the housing 61, a hot material inlet 65 communicated with the housing 61 is disposed below one side of the housing 61, hot material enters the housing 61 through the hot material inlet 65, and refrigerant enters the housing 61 through the refrigerant inlet 66, so that scale generated by the hot material is attached to the inner wall of the housing 61 and the outer wall of the thick pipes 62, and the scale can be conveniently cleaned;

as shown in fig. 2 and fig. 3, baffles 63 are installed below and above the inside of the housing 61, the baffles 63 are fixedly connected with the upper end and the lower end of the thick pipe 62, and a reserved space is provided between the baffles 63 and the upper end and the lower end of the housing 61, and the reserved space is used for the refrigerant to enter and exit the thick pipe 62, so that the refrigerant pipeline is thicker to occupy the inner space of the housing 61, so that less hot material enters the inside of the housing 1 each time, and the cooling effect is ensured;

as shown in fig. 2, 3 and 4, an opening is formed in the scraper 7 at a position corresponding to the thick tube 62, the thick tube 62 passes through the opening, a scraping tip 71 is arranged on the outer portion of the circumference of the scraper 7, and a scraping tip 71 is arranged on the inner edge of the opening, so that when the scraper 7 is lifted, the scraping tip 71 can scrape off scale on the inner wall of the housing 1 and scale on the outer wall of the thick tube 62;

referring to fig. 2 and 3, the lifting assembly 8 is mounted on both the upper and lower sides of the housing 61, and the lifting assembly 8 can drive the scraper 7 to move up and down;

as shown in fig. 2, the lifting assembly 8 includes a pulling rope 82 fixedly connected to the upper and lower sides of the scraper 7, a reel 81 is rotatably mounted on the upper and lower sides of the housing 61, the pulling rope 82 is fixedly connected to the corresponding reel 81, a motor 83 for driving the reel 81 to rotate in the forward and reverse directions is disposed at one end of the reel 81, the reel 83 can drive the reel 81 to rotate, and the reel 81 can wind the pulling rope 82 when rotating, so as to realize the pulling of the scraper 7, and the scraper 7 can scrape off the scale.

The utility model discloses a theory of operation and use flow: in use of the apparatus, a liquid refrigerant (refrigerant/R22) absorbs heat of the object to be cooled in the evaporator 6 and evaporates it into vapor, and the compressor 1 continuously extracts the generated vapor from the evaporator 6, compresses it into high-temperature and high-pressure vapor, and sends it to the condenser 3. The high-temperature and high-pressure steam releases heat to a cooling medium (such as water, air and the like) and is condensed into high-pressure liquid, the high-pressure liquid enters an evaporator after being subjected to pressure reduction through an expansion valve 5, is gasified again, absorbs the heat of a cooled substance, and circulates repeatedly in this way to realize refrigeration;

when the evaporator 6 works, hot materials enter the inside of the shell 61 through the hot material inlet 65, refrigerant enters the inside of the shell 61 through the refrigerant inlet 66 and then enters the inside of the thick pipe 62, the refrigerant runs inside the thick pipe 62, the hot materials run upwards inside the shell 61, cold and hot can be exchanged, and scale generated by the hot materials is attached to the inner wall of the shell 61 and the outer wall of the thick pipe 62;

when using this device for a long time, motor 83 can drive spool 81 and rotate, and spool 81 can carry out the rolling to stay cord 82 when rotating to realize pulling scraper 7, make scraper 7 can scrape the incrustation scale on thick pipe 62 surface and the shell 61 inner wall.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (5)

1. The utility model provides a constant temperature frequency conversion cooling water set, includes evaporimeter (6), its characterized in that: evaporator (6) includes shell (61), the inside of shell (61) is equipped with a plurality of thick pipes (62), the below of shell (61) is equipped with refrigerant import (66) with thick pipe (62) intercommunication, and the top of shell (61) is equipped with refrigerant export (67) with thick pipe (62) intercommunication, the inside of shell (61) is equipped with scraper blade (7) that can up-and-down motion, one side top of shell (61) is equipped with hot material export (64) with shell (61) intercommunication, and one side below of shell (61) is equipped with hot material import (65) with shell (61) intercommunication.

2. The constant-temperature variable-frequency water chilling unit according to claim 1, characterized in that: baffle (63) are installed to the inside below of shell (61) and top, and baffle (63) are connected with the upper and lower end of thick pipe (62) admittedly, and are equipped with the headspace between the upper and lower end of baffle (63) and shell (61).

3. The constant-temperature variable-frequency water chilling unit according to claim 1, characterized in that: the opening has been seted up with thick pipe (62) corresponding position in scraper blade (7), thick pipe (62) pass the opening, the circumference outside of scraper blade (7) is equipped with scrapes point (71), and the open-ended inner edge is equipped with scrapes point (71).

4. The constant-temperature variable-frequency water chilling unit according to claim 1, characterized in that: and the upper side and the lower side of the shell (61) are both provided with a lifting component (8).

5. The constant-temperature variable-frequency water chilling unit according to claim 4, characterized in that: lifting unit (8) are including stay cord (82) of rigid coupling below on scraper blade (7) both sides, the upper and lower side of shell (61) is all rotated and is installed spool (81), stay cord (82) and corresponding spool (81) rigid coupling, and the one end of spool (81) is equipped with motor (83) that are used for driving spool (81) and just reverse the rotation.

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