Modular geothermal power generation system

A modular geothermal power generation system, comprising

• a plurality of groups of thermoelectric power generation modules,
• a hot water supply system;
• and
• a cold water supply system;
• wherein the thermoelectric power generation module comprises at least two heat exchangers, which are arranged adjacent to each other at an interval, the adjacent two heat exchangers are respectively a hot heat exchanger and a cold heat exchanger, a plurality of thermoelectric modules for thermoelectric power generation are arranged between the two heat exchangers, the hot water supply system is connected with the hot heat exchanger, and the cold water supply system is connected with the cold heat exchanger;
• wherein at least two thermoelectric power generation modules form one power generation group, the heat exchanger comprises a heat dissipation housing, two ends of the heat dissipation housing are respectively provided with a water inlet interface and a water outlet interface, the hot water supply system and the cold water supply system are respectively arranged at left and right sides of the thermoelectric power generation module, the hot water supply system comprises a hot water input pipe and a hot water output pipe, and the cold water supply system comprises a cold water input pipe and a cold water output pipe;
• the hot heat exchanger and the cold heat exchanger are correspondingly connected between the two adjacent thermoelectric power generation modules in the power generation group through a pipeline, so that the hot heat exchanger and the cold heat exchanger of each thermoelectric power generation module are correspondingly connected in series;
• the thermoelectric power generation modules located on two sides of the power generation group are a main thermoelectric power generation module and a secondary thermoelectric power generation module, the water inlet interface of the hot heat exchanger of the main thermoelectric power generation module is connected with the hot water input pipe through a pipeline, and the water outlet interface of the hot heat exchanger of the secondary thermoelectric power generation module is connected with the hot water output pipe through a pipeline;
• the water inlet interface of the cold heat exchanger of the main thermoelectric power generation module is connected with the cold water input pipe through a pipeline, and the water outlet interface of the cold heat exchanger of the secondary thermoelectric power generation module is connected with the cold water output pipe through a pipeline;
• the heat dissipation housing comprises a cover plate and a bottom shell, the bottom shell comprises a bottom plate, a middle part of the bottom plate is provided with a plurality of ribs arranged at intervals, the ribs are arranged along a length direction of the heat exchanger to divide an internal space of the heat exchanger into a plurality of channels, and the water inlet interface and the water outlet interface are respectively arranged at a lower end of a left side and an upper end of a right side of the heat dissipation housing;
• the thermoelectric power generation module comprises 2K+1 heat exchangers, and K is a natural number, wherein K heat exchangers are the hot heat exchangers;
• K+1 heat exchangers are the cold heat exchangers, and the hot heat exchanger is arranged between two adjacent cold heat exchangers;
• the thermoelectric power generation module further comprises a fixing structure for fixing the heat exchanger, and the fixing structure comprises two clamping plates, which are fixedly connected through a connecting piece;
• both a left side plate and a right side plate of the bottom shell are arranged obliquely;
• a distance between a left end face of the rib and the left side plate increases gradually from top to bottom, and a distance between a right end face of the rib and the right side plate decreases gradually from top to bottom;
• the two thermoelectric power generation modules form one power generation group, the hot water input pipe and the hot water output pipe are located at a front end and a back end of one side of the thermoelectric power generation module, the cold water input pipe and the cold water output pipe are located at a front end and a back end of the other side of the thermoelectric power generation module, a side face of the hot water input pipe is connected with a plurality of hot water input manifolds which are transversely arranged, the hot water input manifold is connected with the water inlet interface of the hot heat exchanger through a pipeline, the hot water output pipe is connected with a plurality of hot water output manifolds which are transversely arranged, the hot water output manifold is connected with the water outlet interface of the hot heat exchanger through a pipeline, the hot water input manifolds and the hot water output manifolds are alternately arranged;
• a side face of the cold water input pipe is connected with a plurality of cold water input manifolds which are transversely arranged, the cold water input manifold is connected with the water inlet interface of the cold heat radiator through a pipeline, the cold water output pipe is connected with a plurality of cold water output manifolds which are transversely arranged, the cold water output manifold is connected with the water outlet interface of the cold heat exchanger through a pipeline;
• and the cold water input manifolds and the cold water output manifolds are alternately arranged;
• and
• the two thermoelectric power generation modules form one power generation group, so that the cold water input pipe and the cold water output pipe are located at the same side, while the hot water input pipe and the hot water output pipe are located at the same side, which is convenient to manage;
• secondly, the cold water input manifolds and the cold water output manifolds are alternately arranged;
• and the hot water input manifolds and the hot water output manifolds are alternately arranged, so that a space is reasonably utilized.