Gas-liquid direct contact type evaporation and condensation universal device
An evaporative condensation, general-purpose device technology, applied in water/sludge/sewage treatment, water/sewage treatment, dispersed particle separation, etc., can solve low-temperature evaporation efficiency, corrosion scaling, condensation dehumidification metal heat exchanger corrosion, etc. problems, achieve high heat exchange efficiency, low evaporation temperature, and avoid equipment corrosion and fouling problems
Inactive Publication Date: 2020-01-07
江苏同奇环保科技有限公司
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Problems solved by technology
[0008] The purpose of the present invention is to provide a gas-liquid direct contact evaporative condensation general-purpose device, which aims at the problems of corrosion and scaling in the existing high-concentration wastewater evaporative heat concentration process, low-temperature evaporation efficiency, and corrosion of metal heat exchangers for condensation and dehumidification. A general-purpose device for evaporation and condensation, which is used to solve the technical problem that the traditional evaporation process is difficult to effectively treat refractory industrial wastewater
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[0030] The following is attached figure 1 , figure 2 The present invention will be further described in detail with the specific examples completed by the inventor according to the technical solution of the present invention.
[0031] Realize the evaporation function according to the general device:
[0032] Dry and cold air is blown in from the air inlet 1-2 of the box, and under the action of wind pressure, it passes through the pores 2-6 of the porous plate, and directly contacts with the hot solution on the porous plate to exchange heat, and the dry and cold air becomes hot and humid air Discharge from the air outlet 1-3 on the top of the box body 1-1.
[0033] The solution at the bottom of the tank 1-1 enters the pipeline 3-3, and is sent to the perforated plate inside the tank by the solution pump 3-1 through the pipeline 3-3 through the valve 3-2. Heat, the heat is lost by evaporating water, but it is heated by the heat exchange tube 2-5 on the porous plate and the su...
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The invention relates to a gas-liquid direct contact type evaporation and condensation universal device. The device is composed of a box body, a heating porous plate, a circulating pump, a liquid level controller, a water inlet pump, related pipelines and valves. The device utilizes air as a gas-liquid contact carrier, and when dry cold air is in contact with hot wastewater, moisture in the hot wastewater is taken away, so that the wastewater is evaporated and concentrated; when hot and humid air is in contact with the cooled condensate water, the hot and humid air is cooled, water is condensed into cold water, and the hot and humid air is dehumidified into dry and cold air. A heat exchange pipe is directly welded with the porous plate, so wastewater exchanges heat with the heated circulating water or cooled water in the device, thereby the use of an additional heat exchanger is reduced. A technology for coating the porous plate with a plastic coating is adopted to prevent high-concentration wastewater from corroding the heat exchange tube and the porous plate, so the service life of the device is prolonged; a high-low liquid level device is arranged at the bottom of the device andis used for a water feeding / discharging pump to keep the liquid level balance inside the device. The device has the advantages of simplicity, short technological process, convenience in control, easiness in maintenance, and realization of clean and environmentally-friendly treatment of high-concentration wastewater.
Description
technical field [0001] The invention relates to a gas-liquid direct contact evaporation concentration or condensation dehumidification treatment device, in particular to a general-purpose heat exchange device that uses air to improve the evaporation concentration efficiency of low-temperature high-concentration wastewater and cools and dehumidifies hot humid air, which belongs to the refractory high-concentration industrial wastewater The technical field of environmental protection and energy saving reduction treatment. Background technique [0002] Chemical industries such as pharmaceuticals, printing and dyeing, and papermaking are high-polluting industries that generate large amounts of sewage every day. Although the amount of industrial wastewater produced by these enterprises is not large every day, COD and TDS are high in ammonia nitrogen, which is difficult to treat and degrade. Traditional treatment and disposal technologies are difficult to effectively and harmlessl...
Claims
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IPC IPC(8): C02F1/10B01D53/26
CPCB01D53/265C02F1/10
Inventor 吴志根
Owner 江苏同奇环保科技有限公司