CN212457519U

CN212457519U - Evaporation type condenser

Info

Publication number: CN212457519U
Application number: CN202020798008.8U
Authority: CN
Inventors: 姚长文
Original assignee: HAYE(SHANGHAI) REFRIGERATION MACHINERY CO Ltd
Current assignee: HAYE(SHANGHAI) REFRIGERATION MACHINERY CO Ltd
Priority date: 2020-05-14
Filing date: 2020-05-14
Publication date: 2021-02-02
Anticipated expiration: 2030-05-14

Abstract

The utility model provides an evaporative condenser, which comprises a box body and a water baffle, a water separator, a heat exchanger, an air inlet grille and a water tank which are arranged in the box body from top to bottom in sequence; the top of the box body is provided with an air outlet which is provided with a fan, and the box body below the air inlet grille is provided with an air inlet; the water tank is connected with a water outlet pipe, a water suction pump is arranged on the water outlet pipe, a water outlet is formed in the top of the water outlet pipe, and the water outlet is located above the water separator; the heat exchanger comprises an air inlet device on the upper portion and a heat exchange tube on the lower portion, the air inlet device comprises a refrigerant air inlet pipe located in the middle and a plurality of columnar air inlet cavities located on the periphery of the refrigerant air inlet pipe, an air distribution cavity is communicated between the columnar air inlet cavities and the refrigerant air inlet pipe, the top of the heat exchange tube is communicated with the bottom of the columnar air inlet cavities, a liquid collecting tube is communicated between the bottom of the heat exchange tube, and the liquid collecting tube is connected with a refrigerant liquid outlet. The utility model discloses a heat exchange efficiency is high.

Description

Evaporation type condenser

Technical Field

The utility model belongs to the technical field of refrigeration machinery, concretely relates to evaporative condenser.

Background

The evaporative condenser is a device which absorbs the heat of high-temperature gaseous refrigerant in a coil pipe when the spray water outside the coil pipe is partially evaporated by refrigeration so as to gradually cool the refrigerant in the coil pipe from the gaseous state to the liquid state, and comprises a fan, a condensing coil pipe, a heat exchange sheet, a box body and other parts.

The existing evaporative condenser mostly adopts spray water, a water pump conveys water in a water tank to a spray pipe at the top of the evaporative condenser, the water is sprayed to the outer surface of a condensation exhaust pipe through a nozzle to form a thin water film, part of water in the water film is evaporated into water vapor after absorbing heat, and the rest of water falls into the water tank and is recycled by a water supply pump. The spraying may cause floating water, i.e. the water forms very small water vapor particles which are pumped away from the air outlet by the fan. And the formed water film is not uniform enough and can not exchange heat with the condensation calandria fully.

SUMMERY OF THE UTILITY MODEL

The utility model discloses not enough to prior art exists provides an evaporative condenser to solve current evaporative condenser and adopt the mode of spraying and easily cause the not enough problem of water and heat transfer.

The utility model provides an above-mentioned technical problem's technical scheme as follows: an evaporative condenser comprises a box body, and a water baffle, a water separator, a heat exchanger, an air inlet grille and a water tank which are sequentially arranged in the box body from top to bottom; an air outlet is formed in the top of the box body, a fan is arranged at the air outlet, and an air inlet is formed in the box body below the air inlet grille; the water tank is connected with a water outlet pipe, a water suction pump is arranged on the water outlet pipe, a water outlet is formed in the top of the water outlet pipe, and the water outlet is located above the water separator; the heat exchanger comprises an air inlet device on the upper portion and a heat exchange tube on the lower portion, wherein the air inlet device comprises a refrigerant air inlet pipe located in the middle and a plurality of columnar air inlet cavities located on the periphery of the refrigerant air inlet pipe, an air distribution cavity is communicated between the columnar air inlet cavities and the refrigerant air inlet pipe, the top of the heat exchange tube is communicated with the bottom of the columnar air inlet cavities, a liquid collecting tube is communicated between the bottoms of the heat exchange tubes, and the liquid collecting tube is connected with a refrigerant liquid outlet.

The utility model discloses further set up to, the bottom surface of collecting tube is located same inclined plane, the lower of collecting tube is connected the refrigerant liquid outlet.

The utility model discloses further set up to, be equipped with the water inlet on the basin, be equipped with the moisturizing valve on the water inlet.

The utility model discloses further set up to, the heat exchange tube is wavy return bend or heliciform return bend.

The utility model discloses further set up as, be equipped with more than one parallel on the gas distribution chamber the column chamber of admitting air.

The utility model discloses further set up to, it is used for passing to open on the water knockout drum the installing port of refrigerant intake pipe, be equipped with a plurality of inlets around the installing port.

The utility model discloses further set up to, the inlet is just to the below the top in column air intake chamber.

The utility model discloses further set up to, the top in column air inlet chamber is for upwards convex arc or the shape of falling V-arrangement.

The utility model adopts the water separator to carry out close-range water delivery to the heat exchanger, compared with the conventional spraying mode, the water-floating is reduced, and the water distribution is more uniform; the gas inlet device is adopted, so that the gas is uniformly distributed; the heat exchange efficiency is high.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic perspective view of a water separator and a heat exchanger;

FIG. 3 is a schematic view of an air inlet device;

FIG. 4 is a schematic structural view of another air intake device;

FIG. 5 is a cylindrical air intake chamber with an upwardly convex top portion;

fig. 6 is a cylindrical air inlet chamber with an inverted V-shape protruding upward from the top.

Wherein, 1, a water baffle; 2. a water separator; 2-1, mounting ports; 2-2, a liquid inlet; 3. an air inlet grille; 4. a water tank; 5. an air outlet; 6. a fan; 7. an air inlet; 8. a water outlet pipe; 9. a water pump; 10. A water outlet; 11. an air intake device; 11-1, a refrigerant inlet pipe; 11-2, a columnar air inlet cavity; 11-3, a gas distribution chamber; 12. a heat exchange pipe; 13. a liquid collecting pipe; 14. a refrigerant outlet; 15. a water inlet.

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.

The utility model provides an evaporative condenser, see fig. 1-fig. 3, as one of them embodiment, breakwater 1, water knockout drum 2, heat exchanger, air-inlet grille 3 and basin 4 that set gradually in box and the box from the top down. An air outlet 5 is formed in the top of the box body, a fan 6 is mounted at the air outlet 5, and an air inlet 7 is formed in the box body below the air inlet grille 3. The water tank 4 is connected with a water outlet pipe 8, a water suction pump 9 is arranged on the water outlet pipe 8, a water outlet 10 is arranged at the top of the water outlet pipe 8, and the water outlet 10 is positioned above the water separator 2. The heat exchanger comprises an air inlet device 11 at the upper part and a heat exchange tube 12 at the lower part, wherein the air inlet device 11 comprises a refrigerant inlet tube 11-1 positioned in the middle and a plurality of columnar air inlet cavities 11-2 positioned at the periphery of the refrigerant inlet tube 11-1, an air distribution cavity 11-3 is communicated between the columnar air inlet cavities 11-2 and the refrigerant inlet tube 11-1, the top of the heat exchange tube 12 is communicated with the bottom of the columnar air inlet cavities 11-2, a liquid collecting tube 13 is communicated between the bottoms of the heat exchange tubes 12, and the liquid collecting tube 13 is connected with a refrigerant liquid outlet 14. The air inlet grille 3 not only plays a role of distributing air, but also can play a role of preventing water from splashing. Gaseous refrigerant enters a refrigerant inlet pipe 11-1, respectively enters each cylindrical air inlet cavity 11-2 through a gas distribution cavity 11-3, finally enters a heat exchange pipe 12 for heat exchange, and liquid refrigerant is collected in a liquid collecting pipe 13 and flows out of a refrigerant liquid outlet 14. The utility model discloses a 2 water knockout drums carry out closely delivery water to the heat exchanger, compare with the conventional mode of spraying, have reduced the water that wafts, and the water distribution is more even simultaneously, and heat exchange efficiency is higher.

Furthermore, a water inlet 15 is arranged on the water tank, and a water replenishing valve is arranged on the water inlet 15.

Furthermore, the bottom surface of the liquid collecting pipe 13 is located on the same inclined plane, and the lowest position of the liquid collecting pipe 13 is connected with the refrigerant liquid outlet 14, so that the refrigerant liquid can be collected towards the refrigerant liquid outlet 14 along the trend, and the discharge is facilitated.

The heat exchange tube 12 can be a straight tube, the heat exchange tube 12 can also be a wavy bent tube or a spiral bent tube, the bent tube is additionally provided with a pipeline path, the refrigerant passing time is increased, the area and time of the action with water are also increased, the heat exchange is more sufficient, and the refrigerant is more sufficiently converted.

More than one parallel columnar air inlet cavity 11-2 is arranged on the air distribution cavity 11-3. As shown in fig. 1-3, a parallel cylindrical gas inlet chamber 11-2 is provided on one gas distribution chamber 11-3; as shown in FIG. 4, 2 parallel cylindrical gas inlet chambers 11-2 are provided for one gas distribution chamber 11-3, but more than 2 parallel cylindrical gas inlet chambers 11-2 may be provided.

The water separator 2 is provided with an installation opening 2-1 for passing through a refrigerant inlet pipe 11-1, and a plurality of liquid inlets 2-2 are arranged around the installation opening 2-1. Preferably, the liquid inlet 2-2 is opposite to the top of the lower cylindrical air inlet cavity 11-2, so that water coming from the liquid inlet 2-2 directly falls to the top of the cylindrical air inlet cavity 11-2 and flows to the heat exchange tube 12 along the cylindrical air inlet cavity 11-2, a uniformly spread water film is formed on the periphery of the heat exchange tube 12, and the water and the heat exchange tube 12 can perform sufficient heat exchange.

Preferably, the top of the columnar air inlet cavity 11-2 is an arc shape or an inverted V shape protruding upwards, as shown in fig. 5 and 6, such a structure can receive water from the liquid inlet 2-2 of the water separator 2, and the water flows downwards more uniformly and all around, so that the water flowing to the heat exchange tube 12 is more uniform, the formed water film is more uniform and thinner, and the heat exchange is more sufficient.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. An evaporative condenser is characterized by comprising a box body, and a water baffle, a water separator, a heat exchanger, an air inlet grille and a water tank which are sequentially arranged in the box body from top to bottom; an air outlet is formed in the top of the box body, a fan is arranged at the air outlet, and an air inlet is formed in the box body below the air inlet grille; the water tank is connected with a water outlet pipe, a water suction pump is arranged on the water outlet pipe, a water outlet is formed in the top of the water outlet pipe, and the water outlet is located above the water separator; the heat exchanger comprises an air inlet device on the upper portion and a heat exchange tube on the lower portion, wherein the air inlet device comprises a refrigerant air inlet pipe located in the middle and a plurality of columnar air inlet cavities located on the periphery of the refrigerant air inlet pipe, an air distribution cavity is communicated between the columnar air inlet cavities and the refrigerant air inlet pipe, the top of the heat exchange tube is communicated with the bottom of the columnar air inlet cavities, a liquid collecting tube is communicated between the bottoms of the heat exchange tubes, and the liquid collecting tube is connected with a refrigerant liquid outlet.

2. The evaporative condenser, as recited in claim 1, wherein the bottom surface of said liquid collecting tube is located on the same inclined plane, and the lowest portion of said liquid collecting tube is connected to said refrigerant outlet.

3. The evaporative condenser, as recited in claim 1, wherein the water tank is provided with a water inlet, and the water inlet is provided with a water replenishing valve.

4. The evaporative condenser, as recited in claim 1, wherein the heat exchanging pipe is a wavy bend or a spiral bend.

5. The evaporative condenser, as recited in claim 1, wherein said gas distribution chamber is provided with more than one parallel cylindrical gas inlet chamber.

6. The evaporative condenser, as recited in claim 1, wherein the water separator is provided with a mounting opening for passing through the refrigerant inlet pipe, and a plurality of liquid inlets are formed around the mounting opening.

7. The evaporative condenser, as recited in claim 6, wherein said liquid inlet is directly below the top of said cylindrical air inlet chamber.

8. The evaporative condenser, as recited in claim 7, wherein the top of the cylindrical inlet chamber is in the shape of an arc or an inverted V that protrudes upward.