Open type communication and heat-absorption heat exchanger with headers and double-channel cold water pipes and manufacturing process for heat exchanger

Abstract

An open type communication and heat-absorption heat exchanger with headers and double-channel cold water pipes comprises the two headers, wherein ends of the two headers are in welding connection with end cover plates respectively; two or more heat supply pipes are in welding connection between the two headers; a porous middle plate is arranged in each header along the longitudinal direction; each header is divided into two half headers by the corresponding porous middle plate; the half header, which is in welding connection with the heat supply pipes, of each header is an inner half header, and correspondingly, the other half header of the header is an outer half header; one or more cold water pipes penetrates or penetrate through each heat supply pipe; one or more cold water pipe mounting holes is or are formed in a position, which corresponds to an opening of each heat supply pipe, of each porous middle plate; two end openings of each cold water pipe are in welding connection with the pore walls of the corresponding porous middle plate; the cold water pipes penetrate through the inner half headers and are communicated with cavities of the outer half headers; a heat inlet and a heat outlet are in welding communication with the inner half headers respectively; and a cold water inlet and a cold water outlet are in welding communication with the outer half headers respectively. The heat exchanger is a high-efficiency heat exchanger, and by the heat exchanger, multi-dividing-wall absorbed heat and water storage type internally stored heat are transmitted in a stepped manner, heat absorption area is increased, heat is absorbed quickly, heat loss is reduced, and the temperature is changed in a stepped manner.

Description

technical field [0001] This patent relates to a heating water heater that can be installed and used on a household heating pipeline to heat and dissipate heat while exchanging hot water for bathing. Specifically, it relates to a header dual-channel cold water pipe open-type connected heat-absorbing heat exchanger and its manufacture. craft. Background technique [0002] Related patents of the applicant: [0003] 1. The application was filed on February 10, 1998. The name of the utility model is "Heating Shower Heat Exchanger", the patent number is 98220257.1, the date of authorization announcement is June 23, 1999, and the authorization announcement number is CN2325709Y. [0004] 2. The application was filed on November 2, 2003. The title of the invention is "radiation heat exchanger", the patent number is 200310105391.5, the publication date is October 27, 2004, and the publication number is CN1540275A. [0005] 3. The application was filed on February 4, 2007. The name o...

AI Technical Summary

Problems solved by technology

[0008] In order to overcome the shortcomings of the above-mentioned prior art, such as small heat transfer area, low heat exchange efficiency, poor heat absorption effect of single-pipe channel closed reciprocating coils, easy fouling and blockage in the cold water pipe, inability to pour in acid solution for cleaning and dredging, and short service life, etc.

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