CN209819935U

CN209819935U - Frequency conversion flooded evaporator

Info

Publication number: CN209819935U
Application number: CN201920204826.8U
Authority: CN
Inventors: 范欣; 杨士举
Original assignee: Guangzhou J-Bond Energy-Saving Equipment Manufacturing Co Ltd
Current assignee: Guangzhou J-Bond Energy-Saving Equipment Manufacturing Co Ltd
Priority date: 2019-02-18
Filing date: 2019-02-18
Publication date: 2019-12-20
Anticipated expiration: 2029-02-18

Abstract

The utility model discloses a frequency conversion flooded evaporator, which comprises a shell, wherein the lower end of the shell is provided with a supporting and mounting structure, the interior of the shell is sequentially provided with a centralized cavity, an evaporation cavity and a separation cavity from left to right, the interior of the evaporation cavity is provided with a conduit, the centralized cavity is communicated with the separation cavity through the conduit, the evaporator adopts the way that refrigerant medium walks through a shell pass chilled water to replace the traditional way that refrigerant medium walks through a shell pass chilled water to effectively increase the evaporator space of refrigerant, can realize the complete evaporation of refrigerant medium, simultaneously, the interior is separately provided with a filter screen, effectively prevents the liquid refrigerant medium from entering the interior of a compressor, thereby avoiding the phenomenon of liquid impacting the compressor, effectively ensuring the service life of the compressor, and finally, the evaporator is provided with a frequency converter, the electric frequency change and the power change can not influence the evaporation effect of the evaporator, the normal and safe operation of the unit is ensured.

Description

Frequency conversion flooded evaporator

Technical Field

The utility model relates to a high temperature heat pump technical field specifically is a frequency conversion flooded evaporator.

Background

The shell-and-tube evaporator applied to the air conditioning field in the market is mostly a dry shell-and-tube evaporator, the dry shell-and-tube evaporator has the advantages of cold medium passing tube pass and chilled water passing shell pass, high effect and low cost, but the structure is simple, the refrigerant is evaporated in a narrow space in a copper tube, the gas refrigerant sucked up from the air suction side of the compressor cannot be ensured to be completely evaporated, the phenomenon of liquid impact on a shaft wheel of the compressor often occurs, and the service life of the compressor is directly shortened; when the frequency conversion device is additionally arranged on the unit, the liquid impact phenomenon is more serious and the frequency conversion device cannot be used in a matched manner.

Therefore, the variable-frequency flooded evaporator is provided.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is overcome current defect, a frequency conversion flooded evaporator is provided, this evaporimeter adopts the refrigerant medium to walk the mode that shell pass refrigerated water walked the tube side and replaces traditional refrigerant medium matter to walk the mode that the tube side refrigerated water walked the shell side, the effectual evaporimeter space that increases the refrigerant, the filter screen has been designed alone to inside simultaneously, liquid refrigerant medium matter has effectively been avoided entering into the inside of compressor, this evaporimeter possesses the converter at last, the evaporation effect of evaporimeter can not be influenced in electrical frequency change and power change, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a variable-frequency flooded evaporator comprises a shell, wherein the lower end of the shell is provided with a supporting and mounting structure, the interior of the shell is sequentially provided with a concentration cavity, an evaporation cavity and a separation cavity from left to right, the interior of the evaporation cavity is provided with a conduit, the concentration cavity is communicated with the separation cavity through the conduit, the right side of the separation cavity is communicated with a water inlet pipe, the left side of the concentration cavity is communicated with a water outlet pipe, the right side of the water inlet pipe and the left side of the water outlet pipe are respectively provided with a connecting structure, the left side and the right side of the upper end of the shell are respectively connected with an L-shaped connecting pipe, the lower end of the L-shaped connecting pipe is communicated with the evaporation cavity, the middle part of the L-shaped connecting pipe on the left side is provided with a filtering structure, the right side of the L-shaped connecting pipe on the left, the left side of the L-shaped connecting pipe on the right side is connected with a throttle valve, the throttle valve is communicated with an outlet of the compressor through a condenser pipe, an input end of the compressor is electrically connected with an output end of the frequency converter, an input end of the frequency converter is electrically connected with an output end of an external control switch, and an input end of the external control switch is electrically connected with an output end of an external power supply.

As a preferred technical scheme of the utility model, support mounting structure includes the bottom plate, relative backup pad about the upper end of bottom plate is equipped with two, all be equipped with in the backup pad with casing matched with arc draw-in groove, the edge of bottom plate is equipped with fixed screw hole, and it is fixed that this evaporimeter has effectively been realized to support mounting structure's existence.

As the utility model discloses a preferred technical scheme, four are no less than to the quantity of fixed screw hole, fixed screw hole is at the edge evenly distributed of bottom plate, and the installation intensity when the installation of this evaporimeter is effectively guaranteed to the fixed screw hole of being no less than four, avoids the evaporimeter to drop.

As an optimal technical scheme of the utility model, nine are no less than to the quantity of pipe, the pipe is circular array distribution in evaporation chamber's inside, for the area of being heated of assurance evaporation intracavity inside refrigerant medium.

As a preferred technical scheme of the utility model, connection structure includes the ring flange, the edge of ring flange is equipped with connecting screw hole, the outside middle part of ring flange all is equipped with sealed packing groove, for the convenience this evaporimeter and the connection of external pipeline and the leakproofness at connection site.

As the utility model discloses a preferred technical scheme, four are no less than to connecting screw hole's quantity, connecting screw hole is at the marginal evenly distributed of flange dish, and connecting screw hole that is no less than four has effectively guaranteed the joint strength of evaporimeter and external pipeline.

As a preferred technical scheme of the utility model, filtration is including filtering the barrel, the inside of filtering the barrel is equipped with the filter screen, the quantity of filter screen is no less than three, the filter screen is from last to equidistant distribution down in the inside of filtering the barrel, and the refrigerant medium matter of liquid form in can effectual detached gas state's the refrigerant medium effectively avoids the refrigerant medium matter of liquid form to enter into the inside of compressor.

Compared with the prior art, the beneficial effects of the utility model are that: this evaporimeter adopts the refrigerant medium to walk the mode that shell pass refrigerated water walked the tube side and replaces traditional refrigerant medium matter to walk the mode that shell pass refrigerated water walked the shell side, the effectual evaporimeter space that increases the refrigerant, can realize that refrigerant medium matter can evaporate completely, inside design the filter screen alone simultaneously, liquid refrigerant medium matter has effectively been avoided and the inside that the compressor was entered into to liquid refrigerant medium matter, thereby the phenomenon of having avoided the liquid to hit the compressor appears, compressor life has effectively been guaranteed, this evaporimeter at last possesses the converter, the evaporation effect of evaporimeter can not be influenced in electric frequency change and power change, it is normal to guarantee the unit, the safe operation.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of the cross-sectional structure of the present invention.

In the figure: the device comprises a shell 1, a support mounting structure 2, a bottom plate 3, a support plate 4, a fixed threaded hole 5, a connection structure 6, a flange plate 7, a connection threaded hole 8, a sealing gasket mounting groove 9, a water inlet pipe 10, an L-shaped connecting pipe 11, a throttle valve 12, a condenser pipe 13, a compressor 14, a filtering cylinder body 15, a support table 16, a frequency converter 17, a separation chamber 18, a guide pipe 19, an evaporation chamber 20, a concentration chamber 21, a filtering structure 22, a filter screen 23 and a water outlet pipe 24.

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.

Implementation scheme 1

Referring to fig. 1-2, the present invention provides a technical solution: a frequency conversion flooded evaporator comprises a shell 1, a support mounting structure 2 is arranged at the lower end of the shell 1, a concentration cavity 21, an evaporation cavity 20 and a separation cavity 18 are sequentially arranged in the shell 1 from left to right, a guide pipe 19 is arranged in the evaporation cavity 20, the concentration cavity 21 and the separation cavity 18 are communicated through the guide pipe 19, the right side of the separation cavity 18 is communicated with a water inlet pipe 10, the left side of the concentration cavity 21 is communicated with a water outlet pipe 24, the right side of the water inlet pipe 10 and the left side of the water outlet pipe 24 are both provided with a connecting structure 6, the left side and the right side of the upper end of the shell 1 are both connected with an L-shaped connecting pipe 11, the lower end of the L-shaped connecting pipe 11 is communicated with the evaporation cavity 20, the middle part of the L-shaped connecting pipe 11 on the left side is provided with a filtering structure 22, the right side of the L-shaped connecting pipe, the support table 16 is provided with a frequency converter 17, the left side of the right L-shaped connecting pipe 11 is connected with a throttle valve 12, the throttle valve 12 is communicated with the outlet of the compressor 14 through a condenser pipe 13, the input end of the compressor 14 is electrically connected with the output end of the frequency converter 17, the input end of the frequency converter 17 is electrically connected with the output end of an external control switch, and the input end of the external control switch is electrically connected with the output end of an external power supply.

Support mounting structure 2 includes bottom plate 3, and relative backup pad 4 about the upper end of bottom plate 3 is equipped with two, all is equipped with on backup pad 4 with 1 matched with arc draw-in groove of casing, and the edge of bottom plate 3 is equipped with fixing screw hole 5, and the existence of supporting mounting structure 2 has effectively realized that this evaporimeter is fixed.

Four are no less than to the quantity of fixing screw hole 5, and fixing screw hole 5 is at the edge evenly distributed of bottom plate 3, and the installation intensity when the installation of this evaporimeter is effectively guaranteed to fixing screw hole 5 that is no less than four, avoids the evaporimeter to drop.

The number of the conduits 19 is not less than nine, and the conduits 19 are distributed in a circular array in the evaporation cavity 20, so as to ensure the heating area of the refrigerant medium in the evaporation cavity 20.

The connecting structure 6 comprises a flange 7, connecting threaded holes 8 are formed in the edge of the flange 7, and sealing gasket mounting grooves 9 are formed in the middle of the outer side of the flange 7, so that the evaporator and an external pipeline can be conveniently connected and the sealing performance of the connecting part can be conveniently realized.

The number of the connecting threaded holes 8 is not less than four, the connecting threaded holes 8 are uniformly distributed on the edge of the flange plate 7, and the connecting strength of the evaporator and an external pipeline is effectively guaranteed due to the connecting threaded holes 8 which are not less than four.

The filtering structure 22 comprises a filtering cylinder body 15, a filter screen 23 is arranged in the filtering cylinder body 15, the number of the filter screens 23 is not less than three, the filter screens 23 are distributed in the filtering cylinder body 15 from top to bottom at equal intervals, liquid refrigerant medium in a gas state can be effectively removed, and the liquid refrigerant medium is effectively prevented from entering the compressor 14.

Example II

Example III

The external control switch control frequency converter 17 and the frequency converter 17 control compressor 14 both adopt the prior art.

When in use: water or gas or other substances to be cooled enter the shell 1 from the water inlet pipe 10, the substances sequentially enter the separation cavity 18, the conduit 19 and the concentration cavity 21 and are finally discharged from the water outlet pipe 24, when the substances are in the conduit 19, the refrigerant medium in the evaporation cavity 20 evaporates and absorbs heat to cool the substances, the refrigerant medium in the evaporation cavity 20 in a gaseous state enters the compressor 14 after being filtered by the filter structure 22 on the L-shaped connecting pipe 11 on the left side, the filter structure 22 filters the refrigerant medium in a liquid state to prevent the refrigerant medium from entering the compressor 14, the compressor 14 compresses the refrigerant medium in a gaseous state, the compressed refrigerant medium finally enters the condensation pipe 13, the throttle valve 12 and the L-shaped connecting pipe 11 on the right side and enters the evaporation cavity 20 again to evaporate and release heat, and when the external electrical frequency and power change of the frequency converter 17, it is ensured that the input frequency and power of the compressor 14 are inconvenient, thereby ensuring smooth operation of the compressor 14.

The utility model discloses this evaporimeter adopts the refrigerant medium to walk the shell side refrigerated water and walks the mode of tube side refrigerated water and replace traditional refrigerant medium matter and walk the mode that the shell side refrigerated water walked the shell side, the effectual evaporimeter space that increases the refrigerant, inside design the filter screen alone simultaneously, effectively avoided liquid refrigerant medium matter to enter into the inside of compressor, this evaporimeter at last possesses converter 17, the evaporation effect of evaporimeter can not be influenced in electric frequency change and power change.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a frequency conversion flooded evaporator, includes casing (1), its characterized in that: the lower extreme of casing (1) is equipped with supports mounting structure (2), the inside of casing (1) is equipped with concentrated chamber (21), evaporation chamber (20) and separation chamber (18) from a left side to the right side in proper order, the inside of evaporation chamber (20) is equipped with pipe (19), concentrated chamber (21) and separation chamber (18) are linked together through pipe (19), the right side intercommunication of separation chamber (18) has inlet tube (10), the left side intercommunication of concentrated chamber (21) has outlet pipe (24), the right side of inlet tube (10) and the left side of outlet pipe (24) all are equipped with connection structure (6), the upper end left and right sides of casing (1) all is connected with L shape connecting pipe (11), the lower extreme of L shape connecting pipe (11) all is linked together with evaporation chamber (20), the middle part of left L shape connecting pipe (11) is equipped with filtration (22), the right side of left L shape connecting pipe (11) is linked together with compressor (14), the compressor (14) is fixed on a supporting table (16) below the compressor (14), the lower end of the supporting table (16) is connected with the shell (1), a frequency converter (17) is arranged on the supporting table (16), a throttle valve (12) is connected to the left side of an L-shaped connecting pipe (11) on the right side of the supporting table, the outlet of the throttle valve (12) is communicated with the outlet of the compressor (14) through a condenser pipe (13), the input end of the compressor (14) is electrically connected with the output end of the frequency converter (17), the input end of the frequency converter (17) is electrically connected with the output end of an external control switch, and the input end of the external control switch is electrically.

2. The variable frequency flooded evaporator of claim 1, wherein: support mounting structure (2) including bottom plate (3), relative backup pad (4) about the upper end of bottom plate (3) is equipped with two, all be equipped with on backup pad (4) with casing (1) matched with arc draw-in groove, the edge of bottom plate (3) is equipped with fixed screw hole (5).

3. The variable frequency flooded evaporator of claim 2, wherein: the number of the fixing threaded holes (5) is not less than four, and the fixing threaded holes (5) are uniformly distributed on the edge of the base plate (3).

4. The variable frequency flooded evaporator of claim 1, wherein: the number of the guide pipes (19) is not less than nine, and the guide pipes (19) are distributed in a circular array in the evaporation cavity (20).

5. The variable frequency flooded evaporator of claim 1, wherein: the connecting structure (6) comprises a flange plate (7), connecting threaded holes (8) are formed in the edge of the flange plate (7), and sealing gasket mounting grooves (9) are formed in the middle of the outer side of the flange plate (7).

6. The variable frequency flooded evaporator of claim 5, wherein: the number of the connecting threaded holes (8) is not less than four, and the connecting threaded holes (8) are uniformly distributed on the edge of the flange plate (7).

7. The variable frequency flooded evaporator of claim 1, wherein: filtration (22) are including filtering barrel (15), the inside of filtering barrel (15) is equipped with filter screen (23), the quantity of filter screen (23) is no less than three, filter screen (23) are from last equidistant distribution down in the inside of filtering barrel (15).