Energy recovery device combined with temperature difference driving and composite system of energy recovery devices

An energy recovery device combined with temperature technology, which is applied to the components of pumping devices for elastic fluids, machines/engines, liquid fuel engines, etc. The effect of recycling

Pending Publication Date: 2018-09-07
天津融渌众乐科技有限公司
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Problems solved by technology

[0006] Aiming at the technical problem that the current energy recovery device cannot recover the heat energy contained in the concentrated brine, the present invention provides an energy recovery device driven by temperature difference and its compound syste

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  • Energy recovery device combined with temperature difference driving and composite system of energy recovery devices
  • Energy recovery device combined with temperature difference driving and composite system of energy recovery devices

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Embodiment Construction

[0044] The technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Apparently, the described embodiments are some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0045] Such as figure 1 As shown, the present invention provides a seawater desalination energy recovery device driven by temperature difference, comprising a connected phase change chamber 1 and a seawater chamber 2, and a concentrated brine tank 3 is arranged in the phase change chamber 1, located in the concentrated brine tank 3 The phase change chamber 1 at the peripheral position is provided with a phase change working medium 4, and a temperature regulation system 5 for causing phase change of the phase c...

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Abstract

The invention discloses a seawater desalination energy recovery device combined with temperature difference driving and a composite system of seawater desalination energy recovery devices combined with the temperature difference driving. The device comprises a phase change cavity and a seawater cavity. A concentrated brine tank is arranged in the phase change cavity. A phase change working mediumis arranged in the portion, positioned at the outer periphery of the concentrated brine cylinder, of the phase change cavity, and a temperature regulation system controlled by a logic program and usedfor enabling the phase change working medium to generate phase change is arranged in the phase change working medium. The concentrated brine with residual pressure and desalinated by a seawater reverse osmosis desalination system enters the concentrated brine tank, the energy of the concentrated brine with residual pressure initially pressurizes seawater raw water before desalination through energy transfer, the capacity of the seawater cavity is adjusted and the pressure of the initial pressurization is maintained, the temperature of the phase change working medium is adjusted to enable thephase change working medium to generate phase change and drive a second piston to move, and the second piston drives seawater entering the seawater cavity to be pressurized and enter the reverse osmosis desalination system. According to the energy recovery device, temperature difference driving and residual pressure driving are combined, and the energy recovery efficiency can theoretically reach more than 100%.

Description

technical field [0001] The present invention relates to the technical field of seawater desalination energy recovery, in particular to an energy recovery device driven by temperature difference and its composite system, which are used for recovery and utilization of energy in high-pressure concentrated brine with residual pressure in seawater reverse osmosis desalination to achieve high-efficiency energy recovery the goal of. Background technique [0002] An important goal of the development of seawater desalination technology is to reduce operating costs. Energy consumption accounts for the largest proportion in the composition of operating costs. Therefore, reducing energy consumption is the most effective means to reduce the cost of seawater desalination. Among them, reverse osmosis seawater desalination is one of the mainstream technologies for seawater desalination at present. The reverse osmosis seawater desalination process needs to consume a lot of electric energy to...

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Application Information

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IPC IPC(8): F04B9/103F04B49/00F04B53/08
CPCF04B9/103F04B49/00F04B53/08
Inventor 范海燕王娜
Owner 天津融渌众乐科技有限公司
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