KR101219390B1 - Immersion heat exchanger packaged heat pump unit installed - Google Patents

Abstract

PURPOSE: A package type heat pump unit having an immersion type heat exchanger installed is provided to minimize errors in construction technique and selection of component parts by minimizing parts which a worker has to carry out in field. CONSTITUTION: A package type heat pump unit having an immersion type heat exchanger installed includes a base(1), a heat pump case(2), and a storage tank(3). The immersion type heat exchanger(50) is formed the inside of the storage tank. The storage tank includes an overflow(6) protrusively formed on one side to exhaust heat sources outside when water is overflowing and connection part(7) protrusively formed on one side for multiple tanks to connect with each other when enlarging. The edge of the overflow and the connection part for enlargement is made of a flange or a valve. [Reference numerals] (AA) Liquid receiver

Description

Immersion heat exchanger Packaged heat pump unit installed

The present invention relates to a packaged heat pump unit in which a submerged heat exchanger is installed, and more particularly, the submerged heat exchanger and the heat pump device are provided in a case installed on one base to form a compact package unit. By minimizing the parts that need to be installed in the field, minimizing errors in construction methods and component selection, minimizing such construction errors can maximize the performance of the entire system and reduce the defect rate, ultimately increasing customer satisfaction. In addition, it is possible to shorten the construction time of the site, thereby reducing the construction cost of the constructor, and to produce the standardized products at the factory, thereby reducing the stability of the quality and technical deviation due to the installation of the site. Give consumers products with better quality The present invention relates to a packaged heat pump unit equipped with a submersible submersible heat exchanger.

In general, in a heat pump system that manufactures hot water and cold water by utilizing waste heat such as waste water, ground water, elution water, sea water, and sewage, a system for recovering heat by installing a submerged heat exchanger includes a heat pump main body and a submerged heat exchanger. By installing a water tank and a stirring brower separately, work is performed in the form of a refrigerant pipe and a connection pipe in the field.

Currently used heat recovery heat exchanger (immersion type heat exchanger) can be largely divided into Shell & Tube Type and Plate Type, and double tube type. If there are a lot of foreign substances in the water, a tank settling coil heat exchanger is used.

At this time, water tank and agitation blower with heat pump main body and waste heat exchanger are installed in separate spaces to occupy a lot of installation space, and refrigerant gas and air piping are made on site, so labor cost, material cost and material cost required for field work This additionally occurs and the construction period is long.

In addition, there are many differences in equipment performance and defect rate due to differences in installation methods and piping construction proficiency according to workers.

SUMMARY OF THE INVENTION Accordingly, the present invention has been made keeping in mind the above problems occurring in the prior art,

The submerged heat exchanger and the heat pump device are provided in a case installed on a single base and formed into a compact package unit, thereby minimizing the part that the contractor needs to construct in the field, thereby minimizing errors in construction method and component selection. Minimizing errors in the system can maximize the performance of the entire system, reduce the defect rate, ultimately increase the customer satisfaction, and additionally shorten the construction time on site, so that the construction cost of the submerger can be reduced. The purpose is to provide a packaged heat pump unit equipped with a heat exchanger.

In addition, since the standardized products can be produced at the factory, the stability of quality and technical deviation due to on-site installation can be reduced, and the package with submerged heat exchanger that can finally supply products with better quality to consumers Another object is to provide a type heat pump unit.

In order to achieve the above object, the present invention and the base;

A heat pump case fixedly installed on an upper surface of the base and partitioned into upper and lower ends such that a heat pump device is provided therein;

A storage tank fixedly installed on an upper surface of the base and having a heat recovery water source therein / outflow therein, and having a submerged heat exchanger therein so as to exchange heat with the heat recovery heat source water; It relates to a packaged heat pump unit provided with a heat exchanger.

As described above, the packaged heat pump unit in which the submerged heat exchanger of the present invention is installed is provided in a case in which the submerged heat exchanger and the heat pump device are installed on a single base, and thus is formed as a compact package unit. By minimizing the parts that need to be installed in the field, minimizing errors in construction methods and component selection, minimizing such construction errors can maximize the performance of the entire system and reduce the defect rate, ultimately increasing customer satisfaction. In addition, it is possible to shorten the construction time on site, thereby reducing the construction cost of the contractor.

In addition, since the standardized products can be produced in a factory, it is possible to reduce the stability of the quality and the technical deviation caused by the site installation, and finally, it is possible to supply products with better quality to consumers.

1 is a front view showing a packaged heat pump unit installed with a submerged heat exchanger according to an embodiment of the present invention,
2 is a left side view showing a packaged heat pump unit having a submerged heat exchanger according to an embodiment of the present invention;
3 is a right side view showing a packaged heat pump unit having a submerged heat exchanger according to an embodiment of the present invention;
4 is a plan view showing a packaged heat pump unit having a submerged heat exchanger according to an embodiment of the present invention;
5 is a perspective view showing a submerged heat exchanger installed in a storage tank according to an embodiment of the present invention.

The present invention has the following features to achieve the above object.

The present invention is a base;

A heat pump case fixedly installed on an upper surface of the base and partitioned into upper and lower ends such that a heat pump device is provided therein;

And a storage tank fixedly installed on an upper surface of the base and having a heat recovery water source therein / outflow therein, and having an immersion type heat exchanger therein so as to exchange heat with the heat recovery heat source water.

The present invention having such characteristics can be more clearly described by the preferred embodiments thereof.

Before describing the various embodiments of the present invention in detail with reference to the accompanying drawings, it can be seen that the application is not limited to the details of the configuration and arrangement of the components described in the following detailed description or shown in the drawings. will be. The invention may be embodied and carried out in other embodiments and carried out in various ways. It should also be noted that the device or element orientation (e.g., "front," "back," "up," "down," "top," "bottom, Expressions and predicates used herein for terms such as "left," " right, "" lateral, " and the like are used merely to simplify the description of the present invention, Or that the element has to have a particular orientation. Also, terms such as " first "and" second "are used herein for the purpose of the description and the appended claims, and are not intended to indicate or imply their relative importance or purpose.

Therefore, the embodiments described in this specification and the configurations shown in the drawings are merely the most preferred embodiments of the present invention and do not represent all the technical ideas of the present invention. Therefore, It is to be understood that equivalents and modifications are possible.

1 is a front view showing a packaged heat pump unit having a submerged heat exchanger according to an embodiment of the present invention, Figure 2 is a left side showing a packaged heat pump unit is installed with a submerged heat exchanger according to an embodiment of the present invention 3 is a right side view showing a packaged heat pump unit having a submerged heat exchanger according to an embodiment of the present invention, and FIG. 4 is a packaged heat pump provided with a submerged heat exchanger according to an embodiment of the present invention. Figure 5 is a plan view showing a unit, Figure 5 is a perspective view showing a submerged heat exchanger installed in the storage tank according to an embodiment of the present invention.

1 to 5, the packaged heat pump unit in which the submerged heat exchanger of the present invention is installed includes a base (1); A heat pump case (2) fixedly installed on an upper surface of the base (1) and partitioned into an upper end and a lower end such that a heat pump device is provided therein; It is fixed to the upper surface of the base (1), the heat recovery heat source water flows into / out therein, the storage tank (3) provided with an immersion type heat exchanger (50) therein to exchange heat with the heat recovery heat source water It is composed.

1 to 4, as shown in Figures 1 to 4, in the form of a rectangular plate plate, a fixed portion (not shown) or the like to be fixed to the installation position on the bottom surface, such as wheels (not shown) The design can be changed in various ways according to the installation location and the surrounding environment. The overall shape is also rectangular in one embodiment and can be changed in various forms.

1 to 4, the heat pump case 2, as an embodiment, is formed in a rectangular tubular case is divided into the upper and lower ends, the side of the heat pump case (2) Opening and closing door (not shown) is installed separately so as to penetrate the inside.

Here, a heat pump device is installed inside the heat pump case 2, and is installed at a lower end of the heat pump case 2 to convert the refrigerant into high temperature and high pressure, and is connected to the submerged heat exchanger 50. A compressor 100 into which the refrigerant heat-exchanged in the submerged heat exchanger 50 is introduced again; A four-way valve 110 connected to a discharge port side of the compressor 10 to selectively switch a conveying direction of the refrigerant; The hot water heat exchanger is connected to the four-way valve 110 is provided on the top of the heat pump case (2), the refrigerant of the high temperature and high pressure transferred from the compressor 100 and the fluid transferred from the place of use exchanges the fluid into hot water Group 200; Expansion valve 400 is connected to the hot water heat exchanger 200 is provided on the top of the heat pump case (2), and expands the refrigerant heat-exchanged in the hot water heat exchanger 200 to deliver to the submerged heat exchanger (50). )Wow; It is provided on the upper end of the heat pump case (2) and connected to the submerged heat exchanger (50), by spraying external air to the lower end of the submerged heat exchanger (50) to flow the heat source water in the storage tank (3) It consists of a blower fan 300 to activate.

At this time, the heat pump device is connected to each other by the pipes, as shown in Figures 1 to 4, each valve is further provided with a valve (not shown) according to the conditions. In addition, a control unit (not shown) may be installed inside or outside the heat pump case 2 to control a packaged heat pump unit.

In addition, the hot water heat exchanger 200, as shown in Figs. 2 and 4, the inlet / outlet of the destination to the outside of the heat pump case 2 so that the fluid heat exchanged with the refrigerant of the high temperature and high pressure conveyed from the compressor 100 is transferred to the destination. It is formed to penetrate into the protruding, the end of the inlet / outlet of the hot water heat exchanger 200 is formed in a flange form or a valve to be easily connected to the pipe used.

In addition, the blower fan 300 is formed as the suction port penetrates to the outside of the heat pump case 2 so as to suck the outside air and deliver it to the submerged heat exchanger 50, as shown in FIGS. 2 and 4.

The heat pump device described above may be changed in the installation position according to the shape and size of the heat pump case 2 and external conditions.

1 to 5, the submerged heat exchanger 50 is provided therein, and the heat source water having cold or high heat is filled therein, and the storage tank 3 is filled with the heat source water. A heat source water inlet 4 protrudes from an upper surface of 3), and a heat source water outlet 5 is formed so that the heat source water heat-exchanged with the submerged heat exchanger 50 is discharged to the outside at the lower side of the storage tank 3. Is formed to protrude. At this time, the ends of the heat source water inlet 4 and the heat source water outlet 5 are formed in a flange form or valves so as to be easily connected to the outer tube.

Here, in the storage tank (3), as shown in Figure 1, a level device (8) is further installed to adjust the amount of heat source water introduced / discharged through the heat source water inlet (4) and the heat source water outlet (5) The level device 8 includes a plurality of level check units 8a for checking the height of the heat source water filled in the storage tank 3 and an upper surface of the storage tank 3 connected to the level check units 8a. It is composed of a level switch 8b formed at the upper portion of the lower level switch.

In addition, an overflow 6 is formed on the side of the storage tank 3 when the heat source water filled therein is over, and can be discharged to the outside, and when a plurality of storage tanks 3 are expanded, they can be interconnected. The expansion connecting portion 7 is formed to protrude. At this time, the end portion of the overflow 6 and the expansion connection portion 7 is formed in a flange shape or made of a valve so as to be easily connected.

1 and 4 and 5, the submerged heat exchanger 50 is installed in the storage tank (3) in which the heat source water flows in and out, the heat transfer tube (10) so that the heat source water and the refrigerant heat exchange; It consists of the support stand 20, the fixed stand 30, and the base 40.

Here, the air injection nozzle 60 is formed in the storage tank (3) so that the heat source water introduced into the storage tank (3), the air injection nozzle 60 is the lowest end of the heat transfer pipe (10) It is provided on the upper end of the pedestal 40, the air injection nozzle 60 is connected to the blower fan 300 provided in the heat pump case 2, as shown in Figure 1 to inject outside air.

4 and 5, the heat pipe 10 is formed in a planar spiral shape, that is, a cochlear pipe shape, both ends of the heat pipe 10 so that the refrigerant flows in / out 11 And an outlet 12.

In addition, the heat pipe 10 is formed in a plurality, as shown in Figures 1 and 4 and 5, are formed to be stacked in the vertical direction, the heat pipe 10 is formed spaced apart from each other at a predetermined interval, the heat pipe ( The inlet 11 of the 10 is formed in accordance with the heat pipe 10, a plurality is formed, although each of the plurality of inlets 11 may be introduced into the refrigerant, but one distribution port 13 and a plurality of inlets ( By connecting 11, the refrigerant is injected into one distribution port 13, and the refrigerant is delivered to each inlet port 11 through the distribution port 13. At this time, the distribution port 13 is connected to the second refrigerant pipe 80, as shown in Figure 2 and 4, the heat exchanged refrigerant of the hot water heat exchanger 200 installed in the heat pump case (2) is introduced.

In addition, the outlet 12 of the heat pipe 10 is formed in accordance with the heat pipe 10, a plurality is formed, although the refrigerant may be discharged to the outside from the plurality of outlets 12, respectively, one distribution port ( 13 ') and the plurality of outlets 12, the refrigerant is discharged from the plurality of outlets 12 to one distribution port 13'. At this time, the distribution port 13 ′ is connected to the first refrigerant pipe 70, as shown in FIGS. 2 and 4, and the refrigerant discharged from the heat transfer pipe 10 is transferred to the compressor 100.

Here, the support 20 is a shaft for supporting the lower end of each heat pipe 10, as shown in Figures 1 and 5, the heat transfer pipe 10 is placed on the support 20 and tightly fixed tightly. do. At this time, the support 20 is formed in a flat "+" shape to put the heat pipe 10 on top, the planar shape of the support 20 is formed in various forms in one embodiment.

In addition, the welding is performed to fix the heat transfer tube 10 to the support 20, the present invention is a heat exchanger is firmly fixed while the welding portion of the support 20 and the heat transfer tube 10 is significantly less than conventional, While there are many leaks due to the large number of welding sites, the present invention reduces the leaks, and the life of the heat exchanger is increased because there is no vibration wear caused by bubbles due to the close installation of the support 20 and the heat pipe 10. There is this.

1 and 5, the plurality of supports 20 are vertically spaced apart from each other, and fixed to the end of the support 20 to maintain the spacing of the support 20 do.

That is, the support 20 is formed in a planar " + " shape, so that the support 30 is vertically formed at the end portions of the four directions to fix the support 20 while maintaining a plurality of supports 20.

In addition, at the lower end of the holder 30, as shown in Figure 3, a plurality of holder 30 is fixed to one pedestal 40, that is, a plurality of holders 30 are vertically on the top of the pedestal 40 It is fixed.

As such, the support 20, the fixing 30 and the base 40 is installed in the storage tank (3).

As shown in FIGS. 1 to 2 and 4, the heat pump case and the storage tank described above have a first refrigerant pipe such that the refrigerant heat exchanged in the submerged heat exchanger 50 flows into the compressor 100. A second refrigerant pipe (70) is formed outside to connect the submerged heat exchanger (50) and the compressor (100), and the refrigerant expanded in the expansion valve (400) is delivered to the submerged heat exchanger (50). 80 is formed outside to connect the expansion valve 400 and the submerged heat exchanger 50, the air pipe so that the external air transferred by the blower fan 300 is transferred to the lower end of the submerged heat exchanger (50) 90 is formed on the outside is connected to the blower fan 300 and the submerged heat exchanger (50). At this time, the first refrigerant pipe 70 is first connected to the four-way valve 110 before interconnecting the submerged heat exchanger 50 and the compressor 100 so that the refrigerant of the submerged heat exchanger 50 is a four-way valve ( It is delivered to the compressor 100 through 110.

Here, the first refrigerant pipe (70), the second refrigerant pipe (80) and the air pipe (90) is connected between the heat pump case 2 and the storage tank (3) and at the same time the heat pump case (2) and the storage tank (3) is formed to protrude to the outside.

1: Base 2: Heat Pump Case
3: storage tank 4: heat source water inlet
5: heat source water outlet 6: overflow
7: Expansion connection 8: Level device
8a: level check section 8b: level switch
10: heat pipe 11: inlet
12 outlet 13,13 'distribution port
20: support 30: fixed support
40: pedestal 50: submerged heat exchanger
60: air spray nozzle 70: first refrigerant pipe
80: second refrigerant pipe 90: air pipe
100: compressor 200: hot water heat exchanger
300: blower fan 400: expansion valve

Claims (4)

A base 1;
A heat pump case (2) fixedly installed on an upper surface of the base (1) and partitioned into an upper end and a lower end such that a heat pump device is provided therein;
A storage tank (3) fixedly installed on an upper surface of the base (1) and having a submerged heat exchanger (50) therein so that heat source water for heat recovery is introduced / exit therein and heat exchanged with the heat source for heat recovery;
And,
The submerged heat exchanger 50 is provided in the storage tank 3,
A plurality of heat transfer tubes 10 vertically spaced apart from each other to be stacked and formed in a spiral shape in a planar manner to allow refrigerant to flow in and out at both ends;
It is formed at both ends of the plurality of heat transfer tube 10, the refrigerant is distributed to the plurality of heat transfer tube 10 when the refrigerant flows into the heat transfer tube 10, when the refrigerant is discharged from the heat transfer tube 10, to integrate into one Distribution ports 13 and 13 ';
It is installed in close contact with the heat transfer tube 10 to eliminate vibration wear caused by air bubbles, and the lower end of each heat transfer tube 10 is installed in a planar "+" shape to reduce the welding portion during welding with the heat transfer tube 10. And support 20 to reduce the leakage portion according to;
A support (30) for fixing the end of the support (20) such that the plurality of supports (20) are vertically spaced apart from each other to maintain a spacing;
Pedestal 40 for supporting the support 30 to the bottom surface in the storage tank (3);
And,
The storage tank 3 is
An overflow 6 protruding from the side so that the heat source water filled therein can be discharged to the outside;
Expansion connecting portion (7) protruding on the side so that the plurality of storage tanks (3) can be interconnected when the expansion;
Is formed to protrude, the end of the overflow (6) and the connecting portion for expansion (7) packaged heat pump unit is installed, characterized in that consisting of a flange or a valve.
The method of claim 1, wherein in the heat pump case 2,
The compressor 100 is installed at the lower end of the heat pump case 2 to convert the refrigerant into high temperature and high pressure, and is connected to the submersible heat exchanger 50 so that the refrigerant exchanged in the submerged heat exchanger 50 is introduced again. Wow;
A four-way valve 110 connected to a discharge port side of the compressor 10 to selectively switch a conveying direction of the refrigerant;
The hot water heat exchanger is connected to the four-way valve 110 is provided on the top of the heat pump case (2), the refrigerant of the high temperature and high pressure transferred from the compressor 100 and the fluid transferred from the place of use exchanges the fluid into hot water Group 200;
Expansion valve 400 is connected to the hot water heat exchanger 200 is provided on the top of the heat pump case (2), and expands the refrigerant heat-exchanged in the hot water heat exchanger 200 to deliver to the submerged heat exchanger (50). )Wow;
It is provided on the upper end of the heat pump case (2) and connected to the submerged heat exchanger (50), by spraying external air to the lower end of the submerged heat exchanger (50) to flow the heat source water in the storage tank (3) Activating a blower fan 300;
Package type heat pump unit is installed, characterized in that comprising a submerged heat exchanger.
The method of claim 2,
Between the heat pump case 2 and the storage tank 3,
The first refrigerant pipe (70) is formed outside so that the refrigerant heat exchanged in the submerged heat exchanger (50) flows into the compressor (100), and the submerged heat exchanger (50) and the compressor (100) are connected.
A second refrigerant pipe 80 is formed outside so that the refrigerant expanded from the expansion valve 400 is transferred to the submerged heat exchanger 50, and the expansion valve 400 and the submerged heat exchanger 50 are connected to each other.
The air pipe 90 is formed outside so that the external air transferred by the blower fan 300 is transferred to the lower end of the submerged heat exchanger 50, so that the blower fan 300 and the submerged heat exchanger 50 are connected to each other. Packaged heat pump unit is installed, characterized in that the submerged heat exchanger.
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