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Heat transfer enhancing and scale preventing and removing device and system for sewage or surface water

A technology that enhances heat transfer and surface water, applied in the energy field, can solve the problems of large amount of dirt cleaning, time-consuming and labor-intensive, low heat transfer efficiency, etc., to achieve the effect of improving anti-blocking performance, ensuring cleaning effect, and reducing investment

Inactive Publication Date: 2016-08-10
青岛科创蓝新能源股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, since non-clean water such as sewage or surface water contains a large amount of suspended solids and impurities, the heat exchange equipment used in sewage or surface water has the problem of fouling. Not only the heat exchange efficiency is low, but also the amount of dirt cleaning is large, which is time-consuming and laborious.
At present, the cleaning method of heat exchange equipment used in sewage or surface water is mainly manual cleaning, by opening the sewage side sealing door for hydraulic flushing, or simple hydraulic backwashing, but the flushing effect is not good
[0003] In other fields, there is also a descaling method using the traditional rubber ball cleaning process. It is used in sewage or surface water. Blocking
[0004] In addition, in the high-viscosity liquid heat exchange process, there is a method of using liquid-solid fluidization to enhance heat transfer and prevent scale removal. The principle is mature, but when this method is used in sewage or surface water, the key issue is how to Effective solid-liquid separation, how solid particles can effectively enter the heat exchange equipment again

Method used

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  • Heat transfer enhancing and scale preventing and removing device and system for sewage or surface water
  • Heat transfer enhancing and scale preventing and removing device and system for sewage or surface water
  • Heat transfer enhancing and scale preventing and removing device and system for sewage or surface water

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specific Embodiment approach 1

[0030] Specific implementation mode one, such as figure 1 , figure 2 As shown, a kind of enhanced heat transfer and anti-scaling device for sewage or surface water in this embodiment is composed of a cyclone desander 1, a sand regulating valve 2 and an ejector 3. The cyclone desander 1, regulating The sand valve 2 and the ejector 3 are connected from top to bottom; the cyclone desander 1 is composed of a cylindrical cylinder 4, a conical cylinder 5, a sand outlet pipe 6, a cyclone desander overflow port 7 and a cyclone desander. The flow desander is composed of water inlet 8, cylindrical cylinder 4, conical cylinder 5 and sand outlet pipe 6 are welded from top to bottom and connected to each other, the diameter of the bottom of cylindrical cylinder 4 is consistent with the diameter of the top of conical cylinder 5, and the cone The diameter of the bottom of the cylindrical cylinder 5 is consistent with the diameter of the top of the sand outlet pipe 6, the overflow port 7 of...

specific Embodiment approach 2

[0031] Specific implementation mode two, such as figure 1 As shown, the difference between this embodiment and the specific embodiment one is: the cyclone desander 1 also includes the cyclone desander sand inlet 9, the sand viewing window 10 and the cyclone desander sand discharge Port 11, the sand inlet 9 of the cyclone desander and the sand viewing window 10 are all arranged on the side wall of the conical cylinder 5 of the cyclone desander 1, and the sand discharge port 11 of the cyclone desander is arranged on the side wall of the cyclone desander On the side wall of the sand outlet pipe 6 of the device 1. The beneficial effect of this embodiment is that solid particles can be added at any time as required, the running state of the particles can be observed, and the separated redundant solid particles that originally existed in sewage or surface water can be discharged.

specific Embodiment approach 3

[0032] Specific implementation mode three, such as figure 1As shown, the difference between this embodiment and the specific embodiment one is: the ejector 3 also includes a flange one 17-1, a flange two 17-2, a nozzle flange 19 and a sealing rubber pad 18, The nozzle flange 19 is fixedly connected to the nozzle cavity 20, the flange one 17-1 and the flange two 17-2 are detachably connected to the nozzle flange 19 located in the middle through the bolt 22, and the nozzle flange 19 is respectively connected to the flange one A sealing rubber gasket 18 is set between 17-1 and flange 2 17-2, and flange 1 17-1 and flange 2 17-2 are set on the pipeline where the water inlet 15 of the ejector is located. The beneficial effect of this embodiment is that the nozzle chamber and the nozzle can be replaced at any time according to actual needs, and their sizes can be adjusted, which can improve the efficiency of the ejector and improve the anti-blocking performance of the nozzle.

[003...

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Abstract

The invention discloses a heat transfer enhancing and scale preventing and removing device and system for sewage or surface water and belongs to the technical field of energy sources. By the adoption of the heat transfer enhancing and scale preventing and removing device and system for the sewage or surface water, heat transfer enhancement of heat exchange equipment for the sewage or surface water containing a large quantity of suspended matter and impurities is achieved, and the suspended matter and scale which are hung on the wall of the heat exchange equipment and left in the heat exchange equipment can be effectively removed. The heat transfer enhancing and scale preventing and removing device is composed of a cyclone desander, a sand regulation valve and an ejector, wherein the cyclone desander, the sand regulation valve and the ejector communicate with one another from top to bottom. The heat transfer enhancing and scale preventing and removing system is composed of the heat transfer enhancing and scale preventing and removing device, a heat exchanger and a connecting pipeline for the heat transfer enhancing and scale preventing and removing device and the heat exchanger. A water outlet of the ejector of the device communicates with the heat exchanger through a heat exchanger water inlet pipe, and the heat exchanger communicates with a water inlet of the cyclone desander of the device through a heat exchanger water outlet pipe; through repeated ejection and separation of solid particles, the solid particles are made to collide and rub the wall surface of the heat exchanger continuously in the process that the solid particles flow in the heat exchanger along with water flow, so that scale on the wall surface of the heat exchanger is removed, and meanwhile a heat exchange enhancing function is achieved. The heat transfer enhancing and scale preventing and removing device and system are used for heat exchange of the unclean water such as the sewage or the surface water.

Description

technical field [0001] The invention relates to an enhanced heat transfer and anti-scaling device and system for sewage or surface water, belonging to the technical field of energy. Background technique [0002] Using heat pump technology to extract low-grade cold heat from unclean water such as sewage or surface water to provide heating and cooling for buildings has important energy-saving and environmental protection significance. However, since unclean water such as sewage or surface water contains a large amount of suspended solids and impurities, the heat exchange equipment used in sewage or surface water has the problem of fouling. Not only the heat exchange efficiency is low, but also the amount of dirt cleaning is large, which is time-consuming and laborious. At present, the cleaning method of heat exchange equipment used in sewage or surface water is mainly manual cleaning, by opening the sewage side sealing door for hydraulic flushing, or simple hydraulic backwashi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F28F13/12F28G1/12C02F1/38
CPCF28F13/12C02F1/38F28G1/12
Inventor 迟芳吴荣华余洋徐龙李康赵宗辉田时瑞
Owner 青岛科创蓝新能源股份有限公司
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