CN215305652U

CN215305652U - Dish washer with pipeline heat exchanger and water tank

Info

Publication number: CN215305652U
Application number: CN202121656733.2U
Authority: CN
Inventors: 赖善昌
Original assignee: Guangdong Gajum Industrial Co ltd
Current assignee: Guangdong Gajum Industrial Co ltd
Priority date: 2021-07-20
Filing date: 2021-07-20
Publication date: 2021-12-28
Anticipated expiration: 2031-07-20

Abstract

The utility model provides a dish washer with a pipeline type heat exchanger and a water tank, which comprises the water tank, a water pump, a heater and a heat exchanger, wherein the water pump is arranged on the water tank; the heat exchanger is provided with a sewage inlet cavity at the right end, a heat exchange cavity in the middle and a sewage outlet cavity at the left end; the heat exchange cavity is closed relative to the sewage inlet cavity and the sewage outlet cavity, and one end of the heat exchange cavity is connected with a water inlet; the other end is communicated with the water tank; the sewage inlet cavity is communicated with the sewage outlet cavity; one end of the water pump is connected with the water tank and is used for absorbing water; the other end is connected with a heater to supply water to the heater. According to the utility model, high-temperature sewage discharged by the dish-washing machine is secondarily utilized, and sewage filter residues with waste heat are utilized to the maximum extent and then enter the heat exchanger, so that the preheating of clean water in the water tank is realized, and the energy consumption of a subsequent heater is reduced.

Description

Dish washer with pipeline heat exchanger and water tank

Technical Field

The utility model relates to the field of dish washing machines, in particular to a dish washing machine with a pipeline type heat exchanger and a water tank.

Background

At present, in the service industry of large-scale catering industry, along with the continuous improvement of labor cost, manual dish washing is gradually replaced by a dish washing machine, and the dish washing machine has the advantages of high efficiency, high cleanliness and the like. When the existing dish washing machine operates a dish washing program, the tableware is usually washed by heating clean water under the auxiliary action of a cleaning agent, so that the efficient cleaning effect is achieved, sewage is discharged, the energy consumption is high in the heating process of the clean water, the heat of the discharged sewage is directly lost, the sewage cannot be reused, and huge energy waste is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the technical problems and reduce energy waste by secondarily utilizing the heat of the sewage.

In order to achieve the above object, the present invention provides a dishwasher having a pipe type heat exchanger and a water tank, including a water tank, a water pump, a heater, and a heat exchanger.

Specifically, the heat exchanger is provided with a sewage inlet cavity at the right end, a heat exchange cavity in the middle and a sewage outlet cavity at the left end;

the heat exchange cavity is closed relative to the sewage inlet cavity and the sewage outlet cavity, and one end of the heat exchange cavity is connected with a water inlet; the other end is communicated with the water tank;

the sewage inlet cavity is communicated with the sewage outlet cavity;

one end of the water pump is connected with the water tank and is used for absorbing water; the other end is connected with a heater to supply water to the heater.

Further, the device also comprises a base; the water tank and the water pump are arranged on the heat exchanger; the heat exchanger and the heater are arranged on the base.

Furthermore, the heater is arranged beside the water tank and clings to the water tank.

Furthermore, the heat exchange cavity is provided with a plurality of heat exchange tubes; the heat exchange tube is a hollow tube, one end of the heat exchange tube is communicated with the sewage inlet cavity, and the other end of the heat exchange tube is communicated with the sewage discharge cavity.

Further, the bottom of the cavity in the water tank is communicated with the top of the heat exchange cavity.

Furthermore, the heat exchange cavity is provided with a water inlet pipe, and the on-off state of the water inlet pipe is controlled by an electromagnetic valve.

Further, a cleaning valve is arranged at the bottom of the heat exchange cavity.

Furthermore, the bottom of the heater is connected with a water inlet pipe and a water outlet pipe, the top of the heater is provided with a water outlet, the water outlet pipe is positioned below the water inlet pipe, and the tail end of the water outlet pipe is connected with a water discharge valve.

Further, the sewage discharge cavity is provided with a sewage outlet; and a drain valve is arranged at the bottom of the sewage discharge cavity.

Further, a sewage pipe is arranged at the top of the sewage inlet cavity; the sewage pipe is externally connected with a sewage basin of a dish washing machine.

Compared with the prior art, the utility model has the beneficial effects that:

the utility model provides a dish-washing machine with a pipeline type heat exchanger and a water tank, which is characterized in that high-temperature sewage discharged by the dish-washing machine is secondarily utilized, and the sewage with waste heat is utilized to the maximum extent and enters the heat exchanger after being filtered, and is subjected to heat conduction exchange with clean water in a heat exchange cavity; the heat exchange cavity is communicated with the water tank, so that the preheating of clean water in the water tank is realized, and the energy consumption of a subsequent heater is reduced.

Drawings

FIG. 1 is a perspective view of a dishwasher having a ducted heat exchanger and a water tank

FIG. 2 is a schematic view of the position of a dishwasher having a ducted heat exchanger and a water tank

FIG. 3 is a cross-sectional view of a heat exchanger and a water tank

FIG. 4 is a perspective view of the heater

FIG. 5 is a partial structural view of a heat exchanger

In the figure: the device comprises a heat exchanger 1, a water tank 2, a water pump 3, a heater 4 and a base 5; the sewage inlet cavity 11, the sewage pipe 111, the heat exchange cavity 12, the sewage outlet cavity 13, the water inlet pipe 121, the cleaning valve 122, the heat exchange pipe 123, the electromagnetic valve 1211, the high water level sensor 21, the low water level sensor 22, the water outlet pipe 31, the water outlet pipe 42, the water pipe 41, the water outlet pipe 42, the water outlet 43, the sewage outlet 131 and the sewage discharge valve 132.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, a dishwasher with a pipe heat exchanger and a water tank includes a water tank 2, a water pump 3, a heater 4, a heat exchanger 1, and a base 5; the heat exchanger 1 is provided with a sewage inlet cavity 11 at the right end, a heat exchange cavity 12 in the middle and a sewage outlet cavity 13 at the left end; one end of the heat exchange cavity 12 is connected with a water inlet; the other end is communicated with the water tank 2, and the sewage inlet cavity 11 is communicated with the sewage outlet cavity 13; one end of the water pump 3 is connected with the water tank 2 for absorbing water; the other end is connected with a heater 4 to supply water to the heater.

The heat exchange cavity 12 is closed relative to the sewage inlet cavity 11 and the sewage outlet cavity 13, namely the heat exchange cavity 12 is not communicated with sewage, and the sewage passes through the heat exchange cavity 12 from the sewage inlet cavity 11 and then flows out from the sewage outlet cavity 13.

The principle of the utility model is that the sewage with residual temperature discharged by the dish-washing machine is secondarily utilized, and the sewage is filtered to be sent into a heat exchanger to be thermally conducted with clean water in a heat exchange cavity 12; the heat exchange cavity 12 is communicated with the water tank, so that the preheating of clean water in the water tank is realized, and the energy consumption of a subsequent heater is reduced.

The water tank 2 and the water pump 3 in this embodiment are disposed on the heat exchanger 1; the heat exchanger 1 and the heater 4 are arranged on the base 5, and the base 5 plays a role in fixing.

In order to reduce heat loss, the heater is arranged beside the water tank 2 and tightly attached to the water tank 2, so that the heat of the heater can be conducted to the water tank.

The heat exchange cavity 12 is provided with a plurality of heat exchange tubes 123; the heat exchange pipe 123 is a hollow pipe, one end of which is communicated with the sewage inlet cavity 11, and the other end of which is communicated with the sewage outlet cavity 13. The heat exchange tubes 123 in this embodiment allow the sewage to flow out through the hollow tubes, while the clear water surrounds the outside of the tubes, so that the heat of the sewage in the tubes is sufficiently conducted to the outside of the tubes, and the heat of the sewage is more sufficiently conducted as the number of the heat exchange tubes is larger.

In this embodiment, the bottom of the cavity inside the water tank 2 is communicated with the top of the heat exchange cavity 12, that is, the water inside the heat exchange cavity 12 is communicated with the water inside the water tank, and after the heat transfer of the sewage, the clean water inside the water tank is preheated.

In this embodiment, the heat exchange chamber 12 is provided with a water inlet pipe 121, which can be externally connected with a faucet, and the on/off of the water inlet pipe 121 is controlled by a solenoid valve 1211.

Specifically, a high water level sensor 21 and a low water level sensor 22 are arranged in the water tank 2, and are used for detecting whether the water level in the water tank is at a certain height; when the water level is lower than the low level sensor 21, the solenoid valve 1211 receives an open signal, and opens the water valve, so that the water flows into the water tank 2 through the heat exchanger 1; when the water level reaches the high level sensor 21, the electromagnetic valve 1211 closes the water valve to stop the water flow; the water tank 2 is provided with a water outlet pipe 31, and the water outlet pipe 31 is connected with the water inlet of the water pump 3.

In this embodiment, the bottom of the heat exchange chamber 12 is provided with a cleaning valve 122, which can be opened when the heat exchange chamber 12 is maintained and cleaned, so as to discharge the sewage for cleaning the heat exchange chamber 12.

In this embodiment, the bottom of the heater 4 is connected with a water inlet pipe 41 and a water outlet pipe 42, the top of the heater is provided with a water outlet 43, the water outlet pipe 42 is positioned below the water inlet pipe 41, the tail end of the water outlet pipe 42 is connected with a water discharge valve, the water discharge valve can be manually opened to discharge water inside the heater 4 during cleaning and maintenance, the water outlet 43 is connected with a spraying device of the dishwasher through pipelines and valves, and water pressure can be provided by the water pump 3.

In this embodiment, the sewage discharge cavity 13 is provided with a sewage discharge outlet 131; the bottom of the sewage discharge cavity 13 is provided with a sewage discharge valve 132 for manually discharging the sewage in the cavity and facilitating the discharge of the sewage during cleaning and maintenance.

In this embodiment, a sewage pipe 111 is arranged at the top of the sewage inlet chamber 11; the sewage pipe 111 is externally connected with a sewage basin of a dishwasher. The joint of the sewage pipe 111 can be provided with a filter screen to filter impurities, so that the blocking probability of the heat exchanger 1 is reduced.

In summary, according to the dishwasher with the pipeline type heat exchanger and the water tank provided by the embodiment, waste heat of sewage discharged by the dishwasher is fully utilized, the waste heat can circularly enter the heat exchanger to transfer with clean water in the heat exchange cavity, so that the clean water in the water tank is preheated, the energy consumption of a subsequent heater is greatly reduced, and the power consumption cost is saved.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A dish washer with pipeline heat exchanger and water tank, including water tank, water pump, heater, characterized by that, also include the heat exchanger;

the heat exchanger is provided with a sewage inlet cavity at the right end, a heat exchange cavity in the middle and a sewage outlet cavity at the left end;

the sewage inlet cavity is communicated with the sewage outlet cavity;

2. A dishwasher having a ducted heat exchanger and a sump according to claim 1, further comprising a base; the water tank and the water pump are arranged on the heat exchanger; the heat exchanger and the heater are arranged on the base.

3. A dishwasher having a ducted heat exchanger and a sump according to claim 1, wherein the heater is provided to the side of the sump in close proximity to the sump.

4. A dishwasher having a ducted heat exchanger and a sump according to claim 3, wherein the heat exchange chamber is provided with a plurality of heat exchange tubes; the heat exchange tube is a hollow tube, one end of the heat exchange tube is communicated with the sewage inlet cavity, and the other end of the heat exchange tube is communicated with the sewage discharge cavity.

5. A dishwasher having a ducted heat exchanger and a tank as claimed in claim 4, wherein the tank interior cavity bottom communicates with the heat exchange cavity top.

6. A dishwasher having a ducted heat exchanger and a water tank as claimed in claim 5, wherein the heat exchange chamber is provided with a water inlet duct, the opening and closing of the water inlet duct being controlled by a solenoid valve.

7. A dishwasher having a ducted heat exchanger and a water tank according to claim 5, wherein a cleaning valve is provided at the bottom of the heat exchange chamber.

8. The dishwasher of claim 1, wherein the heater has a water inlet pipe and a water outlet pipe connected to the bottom thereof, and a water outlet at the top thereof, the water outlet pipe is located below the water inlet pipe, and a drain valve is connected to the end of the water outlet pipe.

9. The dishwasher of claim 1, wherein the sewage discharge chamber is provided with a sewage discharge outlet; and a drain valve is arranged at the bottom of the sewage discharge cavity.

10. A dishwasher having a ducted heat exchanger and a water tank according to any one of claims 1 to 9, wherein a sewer pipe is provided at the top of the sewage inlet chamber; the sewage pipe is externally connected with a sewage basin of a dish washing machine.