Independent mini-flow circulation type chemical descaling method of tubular heat exchanger
A tube-type heat exchanger and small flow technology, which is applied in cleaning heat transfer devices, lighting and heating equipment, flushing, etc., can solve the problem of not finding a chemical descaling method, a large amount of waste liquid discharge, and a large consumption of cleaning agents and other problems, to achieve the effect of high descaling efficiency, reduce pollution and low cost
Inactive Publication Date: 2014-06-11
ZHUZHOU KAIYUAN IND EQUIP CLEANING
View PDF6 Cites 4 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Traditional chemical descaling methods such as immersion cleaning or overall circulation cleaning, due to backward technology, these methods all have defects such as closing the circulating water channel (water chamber), destroying the rubber lining, large consumption of cleaning agents, and large amount of waste liquid discharge and treatment.
So far, a more effective low-consumption, low-risk chemical descaling method has not been found
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View moreImage
Smart Image Click on the blue labels to locate them in the text.
Smart ImageViewing Examples
Examples
Experimental program
Comparison scheme
Effect test
Embodiment Construction
[0008] Such as figure 1 As shown, the overall layout of the circulating cleaning system of the present invention includes a liquid distribution tank 1, a circulating water pump 2, a pressure regulating valve 3, a drug discharge valve 4, a diversion box 5, a quick pipe joint and a connecting hose 6, a condenser 7 and other parts , the system design flow rate is 20~40m 3 / h, flow rate 0.5~2m / s, bearing pressure 8kg / cm 2 , operating pressure 3kg / cm 2 about.
[0009] Such as figure 2 As shown, the internal heat exchange tubes are grouped according to the layout of the condenser end plate heat exchange tubes, and a schematic diagram of the piping is drawn. Generally, the heat exchange tubes of a single condenser are divided into 4 to 6 groups, about 3,000 in each group, and the heat exchange tubes 8 to be cleaned are connected in series with quick pipe joints and connecting hoses 6 . One set of circulating cleaning system cleans a set of heat exchange tubes, and according to ...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More PUM
Login to View More Abstract
The invention relates to an independent mini-flow circulation type chemical descaling method of a tubular heat exchanger. The method is characterized in that a special quick pipe connector and a special connecting hose are formed according to the dimension of a heat change pipe in the heat exchanger, and then all heat exchange pipes are divided into a plurality of parts based on the actual demands; part of the heat exchange pipes are connected in series through the quick pipe connector and the connecting hose each time so as to form an independent min-circulating washing system; a washing agent is added to the circulating washing system; washing liquid medicine only circularly flows in the heat exchange pipes and is not directly contacted with a parent circulating water pipe and the inner wall of a water chamber. According to the independent mini-flow circulation type chemical descaling method of the tubular heat exchanger, the chemical descaling of the single tubular heat exchanger is carried out in batches; the washing liquid medicine can be recycled; and therefore, the method has the advantages of being low in cost, high in efficiency, high in pertinence, small in risk, and the like and has the energy-saving and environmentally-friendly effects.
Description
technical field [0001] The invention relates to a novel cleaning method in the field of chemical cleaning of large-scale tubular heat exchange equipment, and is especially suitable for chemical descaling of condenser equipment in thermal power plants. Background technique [0002] As the country proposes to build a "two-oriented" society, reducing energy consumption, tapping potential and increasing efficiency is the theme of today's large energy-consuming enterprises. Cleaning and descaling the pipelines of large-scale tubular heat exchange equipment such as condensers in thermal power plants is a difficult problem for enterprises to save energy, reduce consumption and improve efficiency. Traditional chemical descaling methods such as immersion cleaning or overall circulation cleaning, due to backward technology, these methods all have defects such as closing the circulating water channel (water chamber), destroying the rubber lining, large consumption of cleaning agents, a...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More Application Information
Patent Timeline
Login to View More Patent Type & Authority Applications(China)
IPC IPC(8): F28G9/00
Inventor 刘启华袁灿
Owner ZHUZHOU KAIYUAN IND EQUIP CLEANING