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Dyeing wastewater heat recovery device

A technology for heat energy recovery, printing and dyeing wastewater, applied in filtration circuits, multi-stage water/sewage treatment, water/sludge/sewage treatment, etc., which can solve problems such as manual cleaning, easy blockage and pollution of filters and heat exchange units , to achieve the effect of preventing clogging and reducing impurity content

Active Publication Date: 2015-01-21
涂友本
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AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to solve the problem that the filter and heat exchange unit of the waste water heat recovery system are easy to be blocked and polluted, and need to be cleaned manually, and a heat recovery device for printing and dyeing waste water is provided, which has high heat exchange efficiency , with automatic recoil cleaning function, which can effectively prevent the generation of scale, and no one is on duty during the working process

Method used

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  • Dyeing wastewater heat recovery device

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Embodiment Construction

[0032] The present invention will be further described below in conjunction with the accompanying drawings. The following examples only represent one or several best implementation modes, and should not be construed as limiting the present invention.

[0033] Such as figure 1 Said, the printing and dyeing wastewater heat recovery device provided by the present invention includes: sequentially connected

[0034] Centrifugal filter 1 that uses high-speed rotation of water flow to remove impurities with a specific gravity greater than water in wastewater,

[0035] A first filter 2 and a second filter 3 for further filtering impurities in the wastewater,

[0036] Heat exchange system 4 that transfers heat from waste water to clean water.

[0037] The centrifugal filter 1 is provided with a centrifugal separation bin 11 and an impurity collection bin 12, the centrifugal separation bin 11 is located above the impurity collection bin 12, and the centrifugal separation bin 11 commun...

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Abstract

The invention provides a dyeing wastewater heat recovery device, relating to the technical field of heat recovery. The dyeing wastewater heat recovery device comprises a centrifugal filter, a first filter, a second filter and a heat exchange system, wherein the first filter and second filter are connected in parallel; the centrifugal filter is respectively communicated with a high-temperature wastewater tank, a low-temperature wastewater tank, the first filter and the second filter; and the heat exchange system is respectively communicated with a high-temperature clean water tank, a low-temperature clean water tank, the first filter and the second filter. The dyeing wastewater heat recovery device provided by the invention has high heat exchange efficiency, has the function of automatic backflush and cleaning, can effectively prevent scales from generation, and does not need attended operation in the working process.

Description

technical field [0001] The invention relates to the technical field of heat energy recovery, in particular to a heat energy recovery device for printing and dyeing wastewater. Background technique [0002] At present, under the excellent situation that the country is vigorously promoting the "energy saving and emission reduction" plan, the development and research of some energy-saving equipment are continuously carried out, especially for the recovery and reuse of heat energy in the hot wastewater discharged from factories and buildings. However, heat exchangers and heat exchange equipment commonly used in China for waste heat recovery can produce obvious economic and environmental benefits in theory, but the removal of large particles and suspended impurities in wastewater, the reasonable selection of filters, and the use of filters and heat exchange Technical problems such as unit blockage and pollution have yet to be found for better solutions. Contents of the inventio...

Claims

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Application Information

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IPC IPC(8): C02F9/02B01D36/04B01D36/00
Inventor 涂友本
Owner 涂友本
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