CN209744766U - gas triple-generation ocean polar region and place vitamin system - Google Patents

Abstract

The utility model discloses a gas trigeminy supplies ocean polar region place vitamin system, including gas generating set, flue gas type lithium bromide refrigerating unit and absorption heat exchanger, flue gas type lithium bromide refrigerating unit includes high pressure generator, and high pressure generator is equipped with heat exchange flue gas passageway, gas generating set's gas internal-combustion engine gas discharge flue connects high pressure generator's heat exchange flue gas passageway, and the heat source input of a plate heat exchanger is connected to internal-combustion engine cylinder liner cooling water passageway, and absorption heat exchanger's heat source generator is connected as absorption heat exchanger's drive heat source to plate heat exchanger's heat transfer output, the cooling tube return circuit of evaporimeter series connection flue gas lithium bromide unit condenser among the absorption heat exchanger, the life hot water/the heating hot water return circuit of ocean polar region place are connected to the condensation pipeline of condenser among the absorption heat exchanger. The utility model discloses, the ladder utilization of electricity generation, refrigeration, the energy of preparing life/heating hot water has been realized to the energy of make full use of natural gas.

Description

Gas triple-generation ocean polar region and place vitamin system

Technical Field

The utility model relates to a gas trigeminy supplies ocean polar region shop's vitamin system.

Background

For the polar region of ocean, because of the particularity of the existence of marine organisms, a vitamin system of the polar region needs refrigeration all the year round, and a direct-fired lithium bromide unit and a matched cooling system are directly adopted in a conventional system, so that the power consumption loss is large, and the energy utilization rate is low.

Disclosure of Invention

An object of the utility model is to provide a gas trigeminy supplies vitamin system in ocean polar region house, energy supply mode is for adopting gas direct combustion unit to the high temperature heat that the natural gas burning produced is the drive heat source, supplies cold water and life hot water.

In order to realize the purpose, the technical scheme of the utility model is that: a gas triple-generation ocean polar place vitamin system comprises a gas generator set, a smoke type lithium bromide refrigerating unit and an absorption heat exchanger, wherein the gas generator set drives a generator to generate power to provide power for an ocean polar place through natural gas combustion of a gas internal combustion engine, the gas internal combustion engine comprises a gas discharge flue and an internal combustion engine cylinder sleeve cooling water channel, the smoke type lithium bromide refrigerating unit comprises a high-pressure generator, the high-pressure generator is provided with a heat exchange smoke channel, the gas discharge flue of the gas internal combustion engine of the gas generator set is connected with the heat exchange smoke channel of the high-pressure generator, the refrigerating unit changes water in a compressed lithium bromide solution into water vapor through heat exchange heating of the high-temperature smoke gas through the high-pressure generator, the water vapor of a refrigerant is condensed into low-temperature low-pressure refrigerant water in the condenser, and return water is sprayed to the surface of a heat transfer pipe of an evaporator through a condensing pump to absorb heat of the ocean polar place cooling And refrigerating is realized, wherein the cooling water channel of the cylinder jacket of the internal combustion engine is connected with the heat source input of a plate heat exchanger, the heat exchange output of the plate heat exchanger is used as a driving heat source of an absorption heat exchanger and is connected with a heat source generator of the absorption heat exchanger, an evaporator in the absorption heat exchanger is connected with a cooling pipe loop of a condenser of the smoke lithium bromide unit in series, and a condensation pipeline of the condenser in the absorption heat exchanger is connected with a domestic hot water/heating hot water loop of the ocean polar region.

The scheme is further as follows: and a condensing device is arranged behind the heat exchange flue gas channel, high-temperature flue gas combusted by the gas internal combustion engine passes through the heat exchange flue gas channel and then is discharged after heat exchange is carried out again by the condensing heat exchange device, and a heat exchange tube of the condensing heat exchange device is connected in series with a water channel of a condensing pipeline in the absorption heat exchanger and then increases the temperature of hot water flowing out of the condensing pipeline.

The scheme is further as follows: flue gas type lithium bromide refrigerating unit evaporimeter heat-transfer pipe and a direct combustion type lithium bromide refrigerating unit evaporimeter heat-transfer pipe parallel connection, direct combustion type lithium bromide refrigerating unit direct combustion natural gas realizes refrigerating as the drive heat source, and direct combustion type lithium bromide refrigerating unit opens when flue gas type lithium bromide refrigerating unit supplies cold not enough.

The utility model has the advantages that:

(1) the utility model discloses a gas trigeminy supplies technique, the energy of make full use of natural gas, high-grade can be used for the electricity generation, and well grade can be used for the refrigeration, and well low-grade can be used for preparing life/heating hot water, has realized the ladder utilization of energy.

(2) And a dual power supply of gas power generation and urban power supply is adopted, so that the reliability and the guarantee of energy supply are improved.

(3) By using the flue gas lithium bromide unit and the absorption heat pump unit, the comprehensive utilization rate of energy reaches 80 percent, which is far higher than the comprehensive utilization level of the traditional energy.

(4) The absorption heat pump unit is adopted, the cylinder liner water of the internal combustion engine is used as a driving heat source, the waste heat of the circulating water of the smoke lithium bromide unit is absorbed, and domestic hot water and heating hot water are provided for the polar ocean hall, so that the efficient utilization of energy is further realized, the investment of a cooling tower and the occupied area of a system are reduced, and the investment cost is reduced.

The present invention will be described in detail with reference to the accompanying drawings and examples.

Drawings

Fig. 1 is a schematic diagram of the system process structure of the present invention.

Detailed Description

A gas triple-generation ocean polar place and place vitamin system is shown in figure 1, wherein gas triple-generation means that energy of natural gas is fully utilized, high-grade energy is used for power generation, medium-grade energy is used for refrigeration, medium-grade energy and low-grade energy are used for producing domestic/heating hot water, and stepped utilization of energy is achieved.

Gas trigeminy supplies ocean polar region place vitamin system including gas generating set, flue gas type lithium bromide refrigerating unit 1 and absorption heat exchanger 2, gas generating set burns the natural gas through gas internal-combustion engine 3 and produces power and drive generator 4 electricity generation, and the electricity that sends provides electric power for ocean polar region place 6 through switch board 5, and the switch board also is connected with commercial power 7 simultaneously, forms the double-circuit power supply. The gas internal combustion engine comprises a gas discharge flue and an internal combustion engine cylinder sleeve cooling water channel 301, the smoke type lithium bromide refrigerating unit comprises a high-pressure generator, the high-pressure generator is provided with a heat exchange smoke channel 101, the gas discharge flue of the gas internal combustion engine of the gas generating unit is connected with the heat exchange smoke channel of the high-pressure generator, the refrigerating unit changes water in a compressed lithium bromide solution into high-pressure high-temperature refrigerant water vapor through heat exchange heating of the high-pressure generator by the high-pressure generator, the high-pressure high-temperature refrigerant water vapor is condensed into low-temperature low-pressure refrigerant water in the condenser, the low-temperature low-pressure refrigerant water vapor is sprayed to the surface of a heat transfer pipe of the evaporator 102 under the action of a condenser pump to absorb return water heat of a water collector 601 of the ocean polar region cooling system to reduce the temperature (from 12 ℃ to 7 ℃), and then is output to a water, wherein: the cooling water at 70-95 ℃ in the internal combustion engine cylinder jacket cooling water channel 301 is connected with the heat source input of a plate heat exchanger 8, the heat exchange output of the plate heat exchanger is used as the driving heat source of an absorption heat exchanger and is connected with a heat source generator 201 of an absorption heat exchanger 2, an evaporator 202 in the absorption heat exchanger is connected with a cooling pipe loop of a flue gas lithium bromide unit condenser 103 in series, and a condensation pipeline of the condenser 203 in the absorption heat exchanger is connected with a domestic hot water/heating hot water loop 603 at 40-50 ℃ in an ocean polar region.

Wherein in order to further utilize the smoke of 170 degrees centigrade discharged from the heat exchange smoke channel 101 of the smoke type lithium bromide refrigerator group 1: a condensing device 9 is arranged behind the heat exchange flue gas channel 101, high-temperature flue gas combusted by the gas internal combustion engine passes through the heat exchange flue gas channel, is subjected to heat exchange again by the condensing heat exchange device and then is discharged at 80 ℃, and a heat exchange pipe of the condensing heat exchange device is connected in series with a water channel of a condensing pipeline in the absorption heat exchanger, and then the temperature of hot water flowing out of the condensing pipeline is raised from 50 ℃ to 60 ℃ and enters a domestic hot water/heating hot water loop 603 connected with the ocean polar region.

In the examples: the gas triple-generation ocean polar place vitamin system further comprises a smoke type lithium bromide refrigerating unit 10, an evaporator heat transfer pipe of the smoke type lithium bromide refrigerating unit is connected with a heat transfer pipe of an evaporator 1001 of a direct-fired type lithium bromide refrigerating unit in parallel, the direct-fired type lithium bromide refrigerating unit directly burns natural gas to serve as a driving heat source to achieve refrigeration, and the direct-fired type lithium bromide refrigerating unit is started when the smoke type lithium bromide refrigerating unit is insufficient in cooling. The condensation pipeline of the condenser 1002 of the direct-combustion lithium bromide refrigerating unit is connected with a cooling water tower 11.

The flue gas type lithium bromide refrigeration unit 1, the absorption heat exchanger 2 and the flue gas type lithium bromide refrigeration unit 10 in the embodiment are standard devices sold in the market, and are the prior art, and the specific structures of the flue gas type lithium bromide refrigeration unit are not described in detail in this embodiment.

The embodiment can maximize the utilization of the energy of natural gas, and the whole energy utilization efficiency of the system is improved to more than 80% by combining the smoke lithium bromide unit and the absorption heat pump, and the generated energy can be consumed by ocean polar regions without wasting resources.

For example, in summer, a marine polar place house needs to supply cold to all marine animal pools and also needs to meet the daily hot water requirements of workers in the house.

Aiming at the energy utilization requirement, the following operation strategies are adopted:

1. Starting a gas internal combustion engine generator set, and introducing waste heat flue gas (390 ℃) generated by power generation into a lithium bromide unit for refrigeration (12-7 ℃); and meanwhile, the absorption heat exchanger is started, and the waste heat (95-70 ℃) of the cylinder sleeve water of the internal combustion engine is utilized to absorb the waste (37-32 ℃) of the flue gas lithium bromide unit and generate domestic hot water (50 ℃).

2. The power supply is insufficient and is supplemented by commercial power; and starting the gas direct-fired machine for supplement due to insufficient cooling.

The high-efficiency utilization of energy is realized to the maximum extent, and simultaneously, the multiple energy utilization requirements of the polar ocean hall are fully met, so that the win-win situation is realized.

Claims (3)

1. A gas triple-generation ocean polar place vitamin system comprises a gas generator set, a smoke type lithium bromide refrigerating unit and an absorption heat exchanger, wherein the gas generator set drives a generator to generate power to provide power for an ocean polar place through natural gas combustion of a gas internal combustion engine, the gas internal combustion engine comprises a gas discharge flue and an internal combustion engine cylinder sleeve cooling water channel, the smoke type lithium bromide refrigerating unit comprises a high-pressure generator, the high-pressure generator is provided with a heat exchange smoke channel, the gas discharge flue of the gas internal combustion engine of the gas generator set is connected with the heat exchange smoke channel of the high-pressure generator, the refrigerating unit changes water in a compressed lithium bromide solution into water vapor through heat exchange heating of the high-temperature smoke gas through the high-pressure generator to enter a condenser, the refrigerant water vapor is condensed into low-temperature low-pressure refrigerant water in the condenser, and backwater water is sprayed to the surface of a heat transfer pipe of an evaporator through a condensing pump to absorb heat of an The system is characterized in that the cooling water channel of the cylinder jacket of the internal combustion engine is connected with the heat source input of a plate heat exchanger, the heat exchange output of the plate heat exchanger is used as a driving heat source of an absorption heat exchanger and is connected with a heat source generator of the absorption heat exchanger, an evaporator in the absorption heat exchanger is connected with a cooling pipe loop of a condenser of a smoke lithium bromide unit in series, and a condensing pipeline of the condenser in the absorption heat exchanger is connected with a domestic hot water/heating hot water loop of an ocean polar place.

2. The gas triple-generation marine polar region place vitamin system as claimed in claim 1, wherein a condensing device is arranged behind the heat exchange flue gas channel, high-temperature flue gas combusted by the gas combustion engine passes through the heat exchange flue gas channel and is discharged after heat exchange is carried out again through the condensing heat exchange device, and a heat exchange pipe of the condensing heat exchange device is connected in series with a water circuit of a condensing pipeline of the absorption heat exchanger and then increases the temperature of hot water flowing out of the condensing pipeline.

3. The gas triple-generation marine polar region and place vitamin system as claimed in claim 1, wherein the evaporator heat transfer pipe of the flue gas type lithium bromide refrigerating unit is connected in parallel with the evaporator heat transfer pipe of a direct-combustion type lithium bromide refrigerating unit, the direct-combustion type lithium bromide refrigerating unit directly burns natural gas as a driving heat source to realize refrigeration, and the direct-combustion type lithium bromide refrigerating unit is turned on when the cooling of the flue gas type lithium bromide refrigerating unit is insufficient.