Alkali dissolving device for thermal power station and control method of alkali dissolving device

A technology of alkali-dissolving and alkali-dissolving box, which is applied in the direction of chemical instruments and methods, dissolution, dissolution, etc., which can solve the problems of increased operating costs and achieve the effects of convenient operation and maintenance, cost saving and economical improvement

Pending Publication Date: 2021-06-29
XIAN THERMAL POWER RES INST CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

And as the price of chemical raw materials continues to rise, it is bound to face the problem of increased operating costs

Method used

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  • Alkali dissolving device for thermal power station and control method of alkali dissolving device
  • Alkali dissolving device for thermal power station and control method of alkali dissolving device
  • Alkali dissolving device for thermal power station and control method of alkali dissolving device

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Experimental program
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Embodiment Construction

[0027] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0028] refer to figure 1 , The alkali-dissolving device of the thermal power station includes the transmission of solid alkali, the alkali-dissolving tank 4, the transportation of liquid alkali and the corresponding auxiliary equipment such as pipelines, valves, and pumps.

[0029] Among them, the alkali transmission process includes: first unpack the bagged solid alkali and pour it into the hopper 1, the host computer can start the screw pump 2 according to the signal feedback or manually, and at the same time start the blower device 3 in chains to keep the solid alkali continuously sent to the alkali-dissolving tank 4. After the configuration of the lye with a preset concentration is completed, it is determined whether to start the alkali delivery pump 5 according to the liquid level of the alkali storage tank 6, and if the remaining space of the storage t...

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Abstract

The invention discloses an alkali dissolving device for a thermal power station and a control method of the alkali dissolving device. The alkali dissolving device comprises an alkali dissolving box, a demineralized water inlet pipeline and an alkali inlet pipeline are arranged at the top of the alkali dissolving box, the alkali inlet pipeline is connected with the bottom of a solid alkali hopper through a conveying device, and the conveying device is used for conveying solid alkali loaded in the solid alkali hopper into the alkali dissolving box; and an alkali liquor outlet of the alkali dissolving box is connected with an alkali storage tank through an outlet pipeline. Solid alkali is dissolved into liquid alkali, the cost can be saved, meanwhile, the device can be compatible with a liquid alkali storage tank, and a flexible and selective alkali supply mode is provided.

Description

technical field [0001] The invention relates to the technical field of solid alkali dissolution, in particular to an alkali dissolution device and a control method of a thermal power station. Background technique [0002] In the prior art, most large thermal power plants are equipped with ion exchange demineralization systems (including cation resin ion exchangers, anion resin ion exchangers, anion and cation mixed resin ion exchangers), condensate polishing system (including anion and cation mixed resins) , side stream treatment of anion-yang mixed bed and chemical wastewater acid-base neutralization system, etc. After the resin exchanger runs for a period of time, when the exchange capacity of the cation resin and anion resin is saturated, the outlet water quality will change significantly, and the ion exchanger will fail. Use a regenerant for resin regeneration. Wherein the commonly used process of anion regeneration is to use 30%-40% NaOH solution as regenerating agent,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01F1/00B01F15/00B01F15/04B01F15/06
CPCB01F21/10B01F35/2209B01F35/881B01F35/93B01F2035/98
Inventor 李昭李长海张向涛郭云飞谭祥帅赵晖宋晓辉辛志波伍刚刘岗马晨原
Owner XIAN THERMAL POWER RES INST CO LTD
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