CN211476391U

CN211476391U - Waste water ice maker

Info

Publication number: CN211476391U
Application number: CN202020045858.0U
Authority: CN
Inventors: 陈志明; 曾子仁; 曾镇涛; 袁剑平; 黄珊珊; 陈保富; 甘炜聪; 陈瑶瑶; 陈海华
Original assignee: Guangdong Ocean University
Current assignee: Guangdong Ocean University
Priority date: 2020-01-09
Filing date: 2020-01-09
Publication date: 2020-09-11
Anticipated expiration: 2030-01-09

Abstract

The utility model discloses a waste water ice maker, which comprises a condenser, an adsorption bed and an evaporator, wherein a refrigerant space and a cooling water space are arranged in the condenser; the adsorption bed comprises an adsorption layer; the outlet of the refrigerant space is communicated with the first inlet of the evaporator, the first outlet of the evaporator is communicated with the inlet of the adsorption layer, the outlet of the adsorption layer is communicated with the inlet of the refrigerant space, the outlet of the cooling water space is communicated with the second inlet of the evaporator through a conveying pipeline, and a heating device is arranged on the conveying pipeline. The utility model connects the cooling agent space of the condenser, the adsorption layer of the adsorption bed and the evaporator, and the refrigerant circulates in turn to form a refrigeration cycle; the waste water after cooling the condenser is heated and disinfected by a heating device and flows into the evaporator to release heat and freeze. The utility model discloses utilized cooling waste water system ice, will make ice and waste water treatment organic combination, both effectively utilized waste water, avoided the waste water polluted environment, also alleviateed the burden of boats and ships, practiced thrift more spaces.

Description

Waste water ice maker

Technical Field

The utility model relates to a waste water ice machine in the technical field of refrigeration.

Background

At present, most of small and medium-sized fishing boats in China coastal lack ice making equipment or mainly use fresh-keeping and refrigeration, meanwhile, most of waste water generated by the fishing boats is directly discharged into the sea, and about 30% of waste heat of a diesel engine of the fishing boat is discharged into the atmosphere in a tail gas form, so that the development of the fishing boats and the environmental management are greatly hindered.

People develop a plurality of ice making equipment or refrigerating equipment for ships and a plurality of sewage treatment devices, but the devices have high energy consumption, can greatly increase the burden of small and medium-sized fishing boats, and are not beneficial to increasing the profit of fishermen; in order to realize the environmental protection and resource recycling of the fishery boat, even if people utilize the waste heat of the tail gas adsorbed by the adsorption bed to refrigerate, the mode of directly utilizing the tail gas to heat the adsorption bed realizes the recycling of resources, but the utilization is not complete; due to various limitations, most of the devices on the market are separate wastewater collection treatment or refrigeration devices. However, because the small and medium-sized fishing boats have insufficient positions for arranging the equipment, the advantages of the devices cannot be fully utilized, so that most of the small and medium-sized fishing boats have no perfect functions, only part of the devices can be selectively installed, and the development of the fishery in China is greatly limited.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve one of the technical problem that exists among the prior art at least, provide a waste water ice machine, it can utilize the waste water ice making that produces on the fishing boat.

According to an embodiment of the first aspect of the present invention, there is provided a waste water ice making machine, comprising a condenser, wherein a refrigerant space and a cooling water space are arranged in the condenser; an adsorbent bed comprising an adsorbent layer; the evaporator is provided with a first inlet, a first outlet, a second inlet and a second outlet, the first inlet corresponds to the first outlet, and the second inlet corresponds to the second outlet; the outlet of the refrigerant space is communicated with the first inlet of the evaporator, the first outlet of the evaporator is communicated with the inlet of the adsorption layer, the outlet of the adsorption layer is communicated with the inlet of the refrigerant space, the outlet of the cooling water space is communicated with the second inlet of the evaporator through a conveying pipeline, and a heating device is arranged on the conveying pipeline.

According to the utility model discloses the embodiment of the first aspect, furtherly, heating device includes the aqueous vapor heat exchanger, the export in cooling water space is connected with the end of intaking of aqueous vapor heat exchanger, the second entry of evaporimeter is connected with the play water end of aqueous vapor heat exchanger, the inlet end of aqueous vapor heat exchanger is connected to the exhaust port of engine.

According to the utility model discloses first aspect embodiment, furtherly, aqueous vapor heat exchanger's play water end is equipped with electric control valve and is used for controlling electric control valve's temperature sensor, temperature sensor is connected with electric control valve electricity.

According to the utility model discloses first aspect embodiment, furtherly, be equipped with the cooling tank between the second entry of the water outlet end of aqueous vapor heat exchanger and evaporimeter, the water outlet end of aqueous vapor heat exchanger and the entry linkage of cooling tank, the second entry of evaporimeter and the exit linkage of cooling tank.

According to the utility model discloses in the embodiment of the first aspect, further, be equipped with solid activated carbon filter in the cooling tank.

According to the utility model discloses the first aspect embodiment, furtherly, the adsorbent bed still includes the heat transfer layer, the end of giving vent to anger of aqueous vapor heat exchanger is connected with the entry of heat transfer layer.

According to the utility model discloses the embodiment of the first aspect, furtherly, water gas heat exchanger's the end of giving vent to anger is equipped with electrostatic precipitator in.

According to the utility model discloses in the embodiment of the first aspect, furtherly, be equipped with the expansion valve between the export of refrigerant space and the first entry of evaporimeter.

According to the utility model discloses first aspect embodiment, furtherly, the entry in cooling water space is equipped with the water pump.

According to an embodiment of the first aspect of the present invention, further, the second outlet of the evaporator is connected to a flake ice maker.

The utility model has the advantages that: the utility model connects the cooling agent space of the condenser, the adsorption layer of the adsorption bed and the evaporator, and the refrigerant circulates in turn to form a refrigeration cycle; the waste water after cooling the condenser is heated and disinfected by a heating device and flows into the evaporator to release heat and freeze. The utility model discloses utilized cooling waste water system ice, will make ice and waste water treatment organic combination, both effectively utilized waste water, avoided the waste water polluted environment, also alleviateed the burden of boats and ships, practiced thrift more spaces.

Drawings

In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is clear that the described figures represent only some embodiments of the invention, not all embodiments, and that a person skilled in the art can also derive other designs and figures from these figures without inventive effort.

Fig. 1 is a schematic connection diagram of the present invention.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1, the wastewater ice maker according to the embodiment of the present invention includes a condenser 10, an adsorption bed 20, and an evaporator 30. A refrigerant space and a cooling water space are arranged in the condenser 10, the refrigerant releases heat in the refrigerant space to reduce the temperature, and the cooling water space is arranged for cooling because the working temperature of the condenser 10 is higher. The inlet of the cooling water space is provided with a water pump 70. The water pump 70 pumps the sewage in the sump into the cooling water space, thereby cooling the condenser 10 in operation.

The adsorption bed 20 includes an adsorption layer and a heat exchange layer. Preferably, the internal structure of the adsorption layer is honeycomb-shaped, so that the heat in the heat exchange layer can be absorbed to the maximum extent, and the refrigerant in the adsorption layer can absorb heat for analysis.

The evaporator 30 is provided with a first inlet 311, a first outlet 312, a second inlet 321 and a second outlet 322, wherein the first inlet 311 corresponds to the first outlet 312, and the second inlet 321 corresponds to the second outlet 322. The refrigerant enters from the first inlet 311 and flows out from the first outlet 312; accordingly, water for making ice flows into the evaporator 30 from the second inlet 321, and is discharged from the second outlet 322. The refrigerant cools the water used for making ice in the evaporator sufficiently to make it ice.

The outlet of the refrigerant space in the condenser 10 communicates with the first inlet of the evaporator 30, the first outlet 312 of the evaporator 30 communicates with the adsorbent layer inlet of the adsorbent layer 20, and the outlet of the adsorbent layer communicates with the inlet of the refrigerant space. In the present embodiment, methanol is used as the refrigerant, and the refrigerant circulates therein to form a refrigeration cycle. Preferably, an expansion valve 60 is provided between the outlet of the refrigerant space and the first inlet 311 of the evaporator 30 to control the flow of the refrigerant.

The water in the cooling water space is communicated with the second inlet 321 of the evaporator 30 through a conveying pipeline after cooling the condenser 10, and a heating device is arranged on the conveying pipeline for ensuring the cleanness of the water. Preferably, the heating device comprises a water-air heat exchanger 40, the outlet of the cooling water space is connected to the water inlet end of the water-air heat exchanger 40, and the second inlet 321 of the evaporator 30 is connected to the water outlet end of the water-air heat exchanger 40. Further, the cooling water is heated and sterilized by using the waste heat of the engine, so that the air inlet end of the water-gas heat exchanger 40 is connected to the exhaust port of the engine. The water outlet end of the water-gas heat exchanger 40 is provided with an electric control valve and a temperature sensor for controlling the electric control valve, and the temperature sensor is electrically connected with the electric control valve. A cooling tank 50 is arranged between the water outlet end of the water-gas heat exchanger 40 and the second inlet 321 of the evaporator 30, the water outlet end of the water-gas heat exchanger 40 is connected with the inlet of the cooling tank 50, and the second inlet 321 of the evaporator 30 is connected with the outlet of the cooling tank 50. When the waste water in the water-gas heat exchanger 40 is heated to a certain temperature, the temperature sensor enables the electric control valve to be opened, the waste water flows into the cooling tank 50 from the water outlet end of the water-gas heat exchanger 40, the waste water is cooled by water in the cooling tank 50, and preferably, a solid activated carbon filter is arranged in the cooling tank 50 to filter particle impurities in the waste water and adsorb peculiar smell for improving the ice making quality. The cooled and filtered waste water flows into the evaporator 30 through the second inlet 321, and the waste water is cooled to 0 ℃ and freezes, and the ice layers are accumulated one by one to form ice blocks. Alternatively, the second outlet 322 of the evaporator 30 is connected to the flake ice maker 80, and the ice cubes in the condenser 30 can be directly used after being processed by the flake ice maker 80.

As a further preferred embodiment, the heating device may further include an electric heating device, and the electric heating device may be activated when the engine of the ship is not in an operating state, or when the engine is in an operating state but the residual heat of the exhaust gas is insufficient.

In addition, in order to save energy, the air outlet end of the water-gas heat exchanger 40 is connected with the inlet of the heat exchange layer, and the high-temperature flue gas heats the water in the water-gas heat exchanger 40 and then enters the heat exchange layer of the adsorption bed 20, so that the refrigerant in the adsorption layer can be thermally analyzed. Preferably, an electrostatic precipitator is arranged in the air outlet end of the water-air heat exchanger 40. The electrostatic precipitator basically filters and removes the smoke dust in the tail gas, so most of the smoke dust stays in the water-gas heat exchanger 40, the accumulation of the smoke dust in the adsorption bed 20 is greatly reduced, and the service life of the adsorption bed 20 is greatly prolonged.

The utility model discloses an operation flow as follows:

the refrigerant space of the condenser 10, the adsorption layer of the adsorption bed 20, and the evaporator 30 are sequentially connected end to form a refrigeration cycle. The sewage in the sewage tank is sucked to the cooling water space of the condenser 10 through the water pump 70, and the wastewater flowing out of the cooling water space enters the water inlet end of the water-gas heat exchanger and is heated and sterilized by the tail gas of the engine. When the waste water reaches a certain temperature, the electric control valve at the water outlet end is opened, and the waste water flows into the cooling tank 50 to be cooled and adsorb impurities. The treated waste water flows into the evaporator 30 from the second inlet 321 to be heated into ice, and the ice is treated by the flake ice maker 80 to obtain ice which can be directly used. The utility model discloses not only realize the multistage utilization of energy, still carried out effectual recovery processing to waste water, not only energy-conservation but also environmental protection.

While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the invention is not limited to the details of the embodiments shown, but is capable of various modifications and substitutions without departing from the spirit of the invention.

Claims

1. A waste water ice making machine, comprising:

a condenser (10), wherein a refrigerant space and a cooling water space are arranged in the condenser (10);

an adsorbent bed (20), the adsorbent bed (20) comprising an adsorbent layer;

the evaporator (30) is provided with a first inlet (311), a first outlet (312), a second inlet (321) and a second outlet (322), the first inlet (311) corresponds to the first outlet (312), and the second inlet (321) corresponds to the second outlet (322);

the outlet of the refrigerant space is communicated with a first inlet (311) of the evaporator (30), a first outlet (312) of the evaporator (30) is communicated with the inlet of the adsorption layer, the outlet of the adsorption layer is communicated with the inlet of the refrigerant space, the outlet of the cooling water space is communicated with a second inlet (321) of the evaporator (30) through a conveying pipeline, and a heating device is arranged on the conveying pipeline.

2. The wastewater ice maker of claim 1, wherein: the heating device comprises a water-gas heat exchanger (40), an outlet of the cooling water space is connected with a water inlet end of the water-gas heat exchanger (40), a second inlet (321) of the evaporator (30) is connected with a water outlet end of the water-gas heat exchanger (40), and a gas inlet end of the water-gas heat exchanger (40) is connected to a tail gas outlet of the engine.

3. The wastewater ice maker of claim 2, wherein: and the water outlet end of the water-gas heat exchanger (40) is provided with an electric control valve and a temperature sensor for controlling the electric control valve, and the temperature sensor is electrically connected with the electric control valve.

4. The wastewater ice maker of claim 2, wherein: a cooling tank (50) is arranged between the water outlet end of the water-gas heat exchanger (40) and the second inlet (321) of the evaporator (30), the water outlet end of the water-gas heat exchanger (40) is connected with the inlet of the cooling tank (50), and the second inlet (321) of the evaporator (30) is connected with the outlet of the cooling tank (50).

5. The wastewater ice maker of claim 4, wherein: and a solid activated carbon filter is arranged in the cooling tank (50).

6. The wastewater ice maker of claim 2, wherein: the adsorption bed (20) further comprises a heat exchange layer, and the air outlet end of the water-gas heat exchanger (40) is connected with the inlet of the heat exchange layer.

7. The wastewater ice maker of claim 6, wherein: and an electrostatic dust collector is arranged in the air outlet end of the water-gas heat exchanger (40).

8. The wastewater ice maker of claim 1, wherein: an expansion valve (60) is arranged between the outlet of the refrigerant space and the first inlet (311) of the evaporator (30).

9. The wastewater ice maker of claim 1, wherein: the inlet of the cooling water space is provided with a water pump (70).

10. The wastewater ice maker of claim 1, wherein: the second outlet (322) of the evaporator (30) is connected with a flake ice machine (80).