CN203115239U - Environment-friendly and energy-saving decompressing device utilizing ground source heat - Google Patents

Abstract

The utility model discloses an environment-friendly, energy-saving and decompression device utilizing ground source heat, which comprises a decompression valve and a motor connected with the decompression valve, a heat-resistant pipe is arranged in the underground heat source, and one end of the heat-resistant pipe is connected to the bottom surface. The air inlet at the bottom of the upper box is connected, the air outlet at the top of the box is connected with one end of the cooling pipe, and the other end of the cooling pipe is connected with the other end of the heat-resistant pipe; a turbine is installed in the box, and the input of the turbine and the gearbox The shafts are connected, the output shaft of the gearbox is connected with the generator as a generator drive, the generator is connected with the transformer and the motor in turn, and the motor controls the pressure reducing valve. The utility model uses medium and low temperature ground heat and waste heat resources to supply power for the pressure reducing valve, can make full use of low boiling point heat sources, reduces irreversible losses in the heat exchange process, has reliable safety performance and no pollution, and effectively improves the efficiency of low-grade energy. Utilization efficiency reduces energy loss.

Description

An environment-friendly, energy-saving and decompression device utilizing ground source heat

technical field

The utility model belongs to the field of ground source heat pumps, in particular to an environment-friendly, energy-saving and decompression device utilizing ground source heat. the

Background technique

Generally, the electricity of the pressure reducing valve comes from the use of coal to generate electricity, but this will pollute the environment, and coal is a non-renewable energy that will eventually be used up. Therefore, generators that provide energy through non-polluting and renewable energy are the mainstream of future generators. At present, high-temperature geothermal energy has been utilized by mature technologies, but medium-low temperature geothermal energy and waste heat have not been effectively utilized, and are currently in the stage of technological development. my country's medium and low temperature waste heat accounts for a large proportion of the total waste heat, and there is a lot of room for improvement in the utilization rate of waste heat, and the potential for energy saving is huge. If it can be fully utilized, it will save a lot of resources for the society, and at the same time reduce carbon dioxide emissions and thermal pollution. The existing technical patents mainly include a closed-type Brayton cycle waste heat power generation system and a method for using waste heat to generate electricity, an absorption heat pump heating device that uses waste heat from flue gas in a gas-fired steam cycle thermal power plant, and a high-efficiency steam power cycle for power generation. Devices, etc., its disadvantages are: it is mainly used in high-temperature geothermal and waste heat resources, and its device efficiency is too low or impossible to realize when the temperature of geothermal and waste heat resources is low; for medium and low temperature geothermal and waste heat resources (70 ~ 120 ℃) cannot realize power output and heat supply at the same time; the structure of the device is complicated, and the initial investment of the equipment is relatively high. the

Contents of the invention

In view of the deficiencies in the prior art, the purpose of the utility model is to provide an environment-friendly, energy-saving and decompression device capable of utilizing medium and low temperature ground sources and waste heat resources. the

In order to realize above-mentioned technical task, the utility model adopts following technical scheme to realize:

An environment-friendly, energy-saving and pressure-relief device using ground source heat, including a pressure-reducing valve and a motor connected to the pressure-reducing valve, a heat-resistant pipe is arranged in the underground heat source, and one end of the heat-resistant pipe connects with the bottom of the box installed on the bottom surface The air inlet on the top of the box is connected to one end of the cooling pipe, and the other end of the cooling pipe is connected to the other end of the heat-resistant pipe; a turbine is installed in the box, and the turbine is connected to the input shaft of the gearbox. The output shaft of the generator is connected with the generator as a generator drive, and the generator is connected with the transformer and the motor in turn, and the motor controls the pressure reducing valve. the

The utility model uses medium and low temperature ground heat and waste heat resources to supply power for the pressure reducing valve, can make full use of the low boiling point heat source, and reduces the irreversible loss in the heat exchange process. The utility model has compact structure, reliable safety performance, no pollution, and effectively The utilization efficiency of low-grade energy is improved, and the loss of energy is reduced. the

Description of drawings

Fig. 1 is a schematic diagram of the overall structure of the utility model. the

The meanings of each label in the figure are: 1-pressure reducing valve, 2-heat-resistant pipe, 3-cabinet, 4-cooling pipe, 5-gearbox, 6-generator, 7-transformer, 8-motor. the

Below in conjunction with accompanying drawing and embodiment the specific content of the present utility model is described in further detail. the

Detailed ways

The specific embodiments of the present utility model are provided below, and it should be noted that the present utility model is not limited to the following specific embodiments, and all equivalent transformations done on the basis of the technical solution of the application all fall into the protection scope of the present utility model. the

According to the above technical scheme, as shown in Figure 1, an environmental protection and energy-saving decompression device utilizing ground source heat includes a decompression valve 1 and a motor 8 connected to the decompression valve 1, and a heat-resistant pipe 2 is arranged in the underground heat source One end of the heat-resistant pipe 2 is connected to the air inlet at the bottom of the box body 3 installed on the bottom surface, the air outlet at the top of the box body 3 is connected to one end of the cooling pipe 4, and the other end of the cooling pipe 4 is connected to the heat-resistant pipe 2 The other end is connected; a turbine is installed in the box body 3, and the turbine is connected to the input shaft of the gearbox 5, and the output shaft of the gearbox 5 is connected to the generator 6 to drive the generator 6, and the generator 6 is connected to the transformer 7 and the motor 8 in turn , The motor 8 controls the pressure reducing valve 1. the

Cooling pipe 4 selects plastic pipe or steel pipe for use. the

Heat-resistant pipe 2: At present, it is generally a circular pipe, generally with a larger diameter, a larger water storage capacity, and high temperature resistance. Under the action of geothermal heat, the water inside is emitted at high pressure in the form of water vapor, driving the turbine in the box body 3 to rotate. the

The working process of the present utility model is as follows:

Under the action of geothermal heat, the heat-resistant pipe 2 emits the water inside it in the form of water vapor at high pressure, driving the turbine in the box 3 to rotate; the power of the turbine rotation passes through the gearbox 5, and the speed increases, driving the generator 6 to a high speed Rotate to convert mechanical energy into electrical energy. After the electrical energy passes through the transformer 7, it becomes a voltage that can be used by the motor 8. The motor 8 controls the pressure reducing valve 1 to work; at the same time, after the water vapor passes through the water tank 3, it then enters the cooling pipe 4, where The water becomes liquid water under the action of the pipe wall, and the water flows into the heat-resistant pipe 2 along the pipe wall. The above-mentioned working process is repeated and repeated, and the full utilization of the energy source of ground source heat is completed, and the energy utilization efficiency is improved. the

Claims (1)

1. An environment-friendly and energy-saving decompression device utilizing ground source heat, characterized in that it includes a decompression valve (1) and a motor (8) connected to the decompression valve (1), and a heat-resistant pipe is arranged in the underground heat source (2), one end of the heat-resistant pipe (2) is connected to the air inlet at the bottom of the box (3) installed on the bottom surface, and the air outlet at the top of the box (3) is connected to one end of the cooling pipe (4), cooling The other end of the tube (4) is connected to the other end of the heat-resistant tube (2); a turbine is installed in the box (3), the turbine is connected to the input shaft of the gearbox (5), and the output shaft of the gearbox (5) is connected to the The generator (6) is connected to drive the generator (6), and the generator (6) is connected with the transformer (7) and the motor (8) in turn, and the motor (8) controls the pressure reducing valve (1).

Images