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CN-122015419-A - Cold and hot double-effect unit

CN122015419ACN 122015419 ACN122015419 ACN 122015419ACN-122015419-A

Abstract

The invention relates to the technical field of heat exchange equipment, in particular to a cold and hot double-effect unit, which comprises a suction cavity, a heat exchange cavity, a vortex tube, a fluid channel and a drainage cavity, wherein the bottom end of the suction cavity is connected with the heat exchange cavity through a first electric control valve, the heat exchange cavity is internally provided with a heat exchange tube, the bottom of the heat exchange cavity is provided with a liquid separation device, the side surface of the heat exchange cavity is provided with an exhaust pipe, an air inlet of the vortex tube is communicated with the exhaust pipe, the heat exchange cavity of the fluid channel is communicated with the longitudinal section of the fluid channel, a hot gas outlet of the vortex tube is communicated with the fluid channel, the drainage cavity is positioned at the bottom end of the heat exchange cavity and is communicated with the heat exchange cavity, and the unique movable heat exchange tube is closely paved, so that the contact time of the heat exchange tube and hot air/high-temperature steam is improved, the heat recovery efficiency is improved, and the heat recovery unit can be suitable for hot air/high-temperature steam generated by an air-cooled water-cooled cooler such as an evaporative cooler, a spray cooling tower or a fin heat exchanger, and the like.

Inventors

  • GONG JINLONG
  • YUAN SHUBAO

Assignees

  • 福建圣农食品有限公司

Dates

Publication Date
20260512
Application Date
20260413

Claims (6)

  1. 1. A dual cooling and heating unit comprising: a suction chamber (100); The heat exchange device comprises a heat exchange cavity (200), wherein the bottom end of a suction cavity (100) is connected with the heat exchange cavity (200) through a first electric control valve (201), a heat exchange pipe (202) is arranged in the heat exchange cavity (200), a liquid separation device (203) is arranged at the bottom of the heat exchange cavity (200), and an exhaust pipe (205) with a pressure release valve (204) is arranged on the side surface of the heat exchange cavity (200); A vortex tube (300), an air inlet of the vortex tube (300) is communicated with the exhaust pipe (205); The fluid channel (400) surrounds the heat exchange tube (202) and is fixed with the heat exchange cavity (200), the fluid channel (400) is communicated with the end part of the heat exchange tube (202), the longitudinal section of the heat exchange tube (202) can be closely paved with the longitudinal section of the fluid channel (400), and a hot gas outlet of the vortex tube (300) is communicated with the fluid channel (400); Connecting pipes (206) are respectively arranged at two ends of the heat exchange pipe (202), the connecting pipes (206) are fixed with the heat exchange cavity (200), the connecting pipes (206) are communicated with the fluid channels (400), and the connecting pipes (206) and the heat exchange pipe (202) form a revolute pair; The drainage cavity (500), drainage cavity (500) are located heat transfer cavity (200) bottom and heat transfer cavity (200) intercommunication, and drainage cavity (500) both ends are provided with second automatically controlled valve (501) and third automatically controlled valve (502) respectively.
  2. 2. The cold and hot double-effect unit according to claim 1 is characterized in that the suction cavity (100) comprises an air inlet pipe (101), a compression cavity (102), an oil cylinder (103) and a piston (104); The air inlet pipe (101) is positioned above the compression cavity (102) and is communicated with the compression cavity (102); The oil cylinder (103) is arranged on the side face of the compression cavity (102), the piston (104) is positioned in the compression cavity (102) and forms a moving pair with the compression cavity (102), the piston (104) is fixed with the movable end of the oil cylinder (103), and two ends of the compression cavity (102) are respectively communicated with a heat exchange cavity (200).
  3. 3. A dual cooling and heating unit according to claim 1, characterized in that the liquid separation device (203) comprises a rotating block (207) and a gas permeable steel (208); one end of the exhaust pipe (205) is communicated with the vortex tube (300), the other end of the exhaust pipe is positioned in the heat exchange cavity (200), the rotating block (207) is sleeved on the exhaust pipe (205) to form a revolute pair with the exhaust pipe (205), and an air inlet gap (209) communicated with the exhaust pipe (205) is formed in the side surface of the rotating block (207); The ventilation steel (208) is annularly arranged on the side face of the rotary block (207), and the shape of the ventilation steel (208) is matched with gaps between the rotary block (207) and the heat exchange cavity (200).
  4. 4. A dual cooling and heating unit according to claim 3, characterized in that the liquid separation device (203) further comprises a magnet ring (2010) and a driving motor (2011), wherein the magnet ring (2010) is arranged inside the gas permeable steel (208) and fixed with the rotating block (207); the driving motor (2011) is fixed with the heat exchange cavity (200), a rotating disc (2012) is arranged on a rotating shaft of the driving motor (2011), and the rotating disc (2012) and the magnet ring (2010) are attracted mutually to drive the rotating block (207) to rotate.
  5. 5. A dual cooling and heating unit according to claim 4, wherein the top of the rotary block (207) is conical and the side of the rotary block (207) is beveled.
  6. 6. A dual cooling and heating unit according to any of claims 1-5, characterized in that the connecting tube (206) and the heat exchanging tube (202) form a revolute pair by means of a torsion spring.

Description

Cold and hot double-effect unit Technical Field The invention relates to the field of heat exchange equipment, in particular to a cold and hot double-effect unit. Background Compressors, boilers, engines, hydraulic systems, high power electrical equipment, etc., generate a lot of heat during operation, and overheating may cause deterioration of material strength and equipment damage, so that it is necessary to introduce a cooler to protect the equipment, and an industrial cooler is a core heat exchange device that maintains safe and efficient operation of a production system. Their primary function is to remove and transfer waste heat from the process fluid (gas or liquid) to the environment, thereby precisely controlling the process temperature. Industrial coolers can be roughly classified into air-cooled coolers which utilize air flow to transfer heat and water-cooled coolers which utilize water evaporation to absorb heat so as to take away equipment heat, and hot air/high-temperature steam generated by the coolers has higher temperature and has important significance for improving heat utilization efficiency if the hot air/high-temperature steam can be recovered. Disclosure of Invention The invention aims to provide a cold and hot double-effect unit for solving the problems in the background art. The invention provides a technical scheme that the intelligent heat exchange device comprises a suction cavity, a heat exchange cavity, a vortex tube, a fluid channel and a drainage cavity, wherein the suction cavity is a cavity-shaped component capable of sucking hot air or high-temperature water mist, the bottom end of the suction cavity is connected with the heat exchange cavity through a first electric control valve, the heat exchange cavity is internally provided with a heat exchange tube, the bottom of the heat exchange cavity is provided with a liquid separation device, the side surface of the heat exchange cavity is provided with an exhaust pipe with a pressure relief valve, an air inlet of the vortex tube is communicated with the exhaust pipe, the fluid channel surrounds the heat exchange tube and is fixed with the heat exchange cavity, the fluid channel is communicated with the end of the heat exchange tube, the longitudinal section of the heat exchange tube is a triangular fluid channel, a hot air outlet of the vortex tube is communicated with the fluid channel, the drainage cavity is positioned at the bottom end of the heat exchange cavity and is respectively provided with a second electric control valve and a third electric control valve, the control modes of the electric components such as the first electric control valve, the second electric control valve and the third electric control valve are automatic control through a controller, particularly the electric control one-way valve, the control circuit of the controller can be realized through simple programming of a person skilled in the art, the power supply is also provided with a detailed control mode and a mechanical circuit is not known in the invention. In order to optimize the technical scheme, the two ends of the heat exchange tube are respectively provided with the connecting tubes, the connecting tubes are fixed with the heat exchange cavity and are communicated with the fluid channels, the connecting tubes and the heat exchange tube form a revolute pair, the design of the structure aims to enable the heat exchange tube and the heat exchange cavity to have certain activity, when hot air and high-temperature water mist pass through gaps between the heat exchange cavities, the hot air/high-temperature water mist can push the heat exchange tube to incline, the gaps between the heat exchange tubes become narrower, and the heat exchange efficiency between the hot air and the heat exchange tube is improved. As a further improvement to the technical scheme, the suction cavity comprises an air inlet pipe, a compression cavity, an oil cylinder and a piston, wherein the air inlet pipe is positioned above the compression cavity and is communicated with the compression cavity, the oil cylinder is arranged on the side surface of the compression cavity, the piston is positioned in the compression cavity and forms a moving pair with the compression cavity, the piston is matched with the compression cavity in shape, the piston is fixed with the movable end of the oil cylinder, and two ends of the compression cavity are respectively communicated with a heat exchange cavity. The liquid separation device comprises a rotating block and breathable steel, wherein the rotating block is a rotatable block part, the breathable steel is a porous metal material with uniform distribution of netlike micropores and air permeability and high strength in the prior art, the liquid separation device is arranged to enable small liquid drops to collide with each other in the micropores to form large liquid drops through the micropores under the action of air flow, one end