CN103101989A - Self-cleaning high-salt wastewater evaporative crystallization device - Google Patents
Self-cleaning high-salt wastewater evaporative crystallization device Download PDFInfo
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- CN103101989A CN103101989A CN2013100452292A CN201310045229A CN103101989A CN 103101989 A CN103101989 A CN 103101989A CN 2013100452292 A CN2013100452292 A CN 2013100452292A CN 201310045229 A CN201310045229 A CN 201310045229A CN 103101989 A CN103101989 A CN 103101989A
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- evaporative crystallization
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- well heater
- transfer pipe
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Abstract
The invention relates to a self-cleaning high-salt wastewater evaporative crystallization device. The evaporative crystallization device comprises a heater (1), an injection pump (3), a self-cleaning medium (4), a solid-liquid separating chamber (5), an evaporative crystallization chamber (6), a steam compressor (7), a strong brine pump (8) and a material water pump (9). By adopting the evaporative crystallization device, because the self-cleaning medium flows continuously in a heat transfer pipe of the heater and rubs and crashes the inner wall of the heat transfer pipe continuously, the dirt deposited on the inner wall of the heat transfer pipe is peeled off, and the self-cleaning medium is drained out of a heating chamber together with the material water, and thus the purpose of self-cleaning of the device is achieved; with the adoption of the evaporative crystallization device, the problem of scaling of the heat transfer pipe can be solved, and thus the heat transfer deterioration of the heat transfer pipe can be avoided, the heating exchanging property of the heater is enhanced, the usage rate of the wastewater evaporative crystallization device is improved, the work load of on-site maintenance is reduced, the dosage of chemicals is reduced, and meanwhile the pressure of environment pollution is reduced; and the wastewater evaporative crystallization is simple in structure, low in machining and manufacturing cost, and easy and convenient to mount and demount.
Description
Technical field
The present invention relates to the high salt sewage evaporation of a kind of self-stip crystallization apparatus, belong to high salt technical field of sewage.
Background technology
General high salt sewage evaporation crystallization apparatus partly is comprised of well heater, evaporative crystallization chamber and recycle pump etc.Its principle of work is: power steam enters the heater heats recycle stock, and recycle stock is in the indoor flash vaporization of evaporative crystallization after heating, and the salt thing that wherein contains after the moisture evaporation in material surpasses the device saturation ratio and crystallization through concentrated.
In common high salt sewage, salt component is complicated, contains organism or other impurity in sewage simultaneously.Such sewage can gather dirt in the tube surface of well heater in the heating evaporation process.Along with dirt increase the heat-transfer pipe heat transfer deterioration, evaporated crystallization device can't reach design requirements.In order to extend evaporation and crystallization system efficient working time, the increase heat-transfer pipe area that the design initial stage is artificial, thus increased facility investment.But this can not solve the problem of scaling of heat transfer pipe at all, still need shut down in the evaporated crystallization device operational process and carry out machinery or matting, thereby cause the increase of unnecessary cost of human resources and production cost.The waste water or the waste gas that produce in Process of Chemical Cleaning cause secondary pollution to surrounding enviroment.
Summary of the invention
The object of the invention is to overcome above-mentioned deficiency, provide a kind of and can solve scaling of heat transfer pipe problem, high salt sewage evaporation crystallization apparatus easy and simple to handle and with low cost at all.
The object of the present invention is achieved like this:
the high salt sewage evaporation of a kind of self-stip crystallization apparatus, comprise well heater, evaporative crystallization chamber and vapour compressor, the vapour outlet of described evaporative crystallization chamber is connected with the import of vapour compressor, the outlet of vapour compressor is connected with the steam inlet of well heater, the material water outlet of described evaporative crystallization chamber is connected with the material water import of well heater, be characterized in: described device also comprises squirt pump, self-stip medium and solid-liquid separation chamber, described injection pump outlet is connected with the material water import of well heater, the material water outlet of described well heater is connected with the import of solid-liquid separation chamber, the solid outlet of described solid-liquid separation chamber is connected with the injection entrance of squirt pump, the liquid exit of described solid-liquid separation chamber is connected with the evaporative crystallization chamber, described self-stip medium is arranged in the heat-transfer pipe of well heater.
The high salt sewage evaporation of a kind of self-stip of the present invention crystallization apparatus, the material water ingress of its well heater is provided with material water distribution orifice plate.
Compared with prior art, the invention has the beneficial effects as follows:
The high salt sewage evaporation of a kind of self-stip of the present invention crystallization apparatus has the following advantages:
1, the present invention is constantly flowed in the well heater heat-transfer pipe by the self-stip medium and is constantly rubbed and collision with the heat-transfer pipe inwall, the dirt that is deposited on the heat-transfer pipe inwall is peeled off, self-stip medium and dirt are discharged heating chamber with material water, thereby have reached the purpose of this device self-stip.
2, the present invention can solve the problem of scaling of heat transfer pipe, therefore can avoid the heat transfer deterioration of heat-transfer pipe, strengthened the heat exchange property of well heater, improved the service efficiency of evaporated crystallization device, and reduced the workload of field maintemance, alleviated the pressure of environmental pollution when having reduced consumption of chemical agent.
3, the present invention is simple in structure, and the processing and fabricating cost is low, installs, dismantles easy.
Description of drawings
Fig. 1 is the process flow diagram of the high salt sewage evaporation of a kind of self-stip of the present invention crystallization apparatus.
In figure:
Well heater 1,
Material water distribution orifice plate 2,
Self-stip medium 4,
Solid-liquid separation chamber 5,
Material water pump 9,
Condensed water 11,
Strong brine 12.
Embodiment
referring to Fig. 1, the present invention relates to the high salt sewage evaporation of a kind of self-stip crystallization apparatus, it comprises well heater 1, squirt pump 3, self-stip medium 4, solid-liquid separation chamber 5, evaporative crystallization chamber 6, vapour compressor 7, strong brine pump 8 and material water pump 9, the outlet of described squirt pump 3 is connected with the material water import of well heater 1, the material water ingress of described well heater 1 is provided with material water distribution orifice plate 2, the outlet of the material water of described well heater 1 is connected with the import of solid-liquid separation chamber 5, the solid outlet of described solid-liquid separation chamber 5 is connected with the injection entrance of squirt pump 3, described self-stip medium 4 is arranged in the heat-transfer pipe of well heater 1, the liquid exit of described solid-liquid separation chamber 5 is connected with evaporative crystallization chamber 6, the vapour outlet of described evaporative crystallization chamber 6 is connected with the import of vapour compressor 7, the outlet of vapour compressor 7 is connected with the steam inlet of well heater 1, the strong brine outlet of described evaporative crystallization chamber 6 is connected with the import of strong brine pump 8, the crystallisate of separating out is delivered to down treatment process with the material water after concentrating on a small quantity through brinepump 8, the material water outlet of described evaporative crystallization chamber 6 is connected with the import of material water pump 9, the outlet of material water pump 9 is connected with the material water import of well heater 1.
principle of work: material water 10 is entered the material water import of well heater 1 by the import high-velocity jet of squirt pump 3, under the draw of squirt pump 3 high-velocity jet, self-stip medium 4 is carried secretly by injection and is sent in well heater 1, after material water distribution orifice plate 2, self-stip medium 4 is uniformly distributed in the heat-transfer pipe of well heater 1, self-stip medium 4 rubs and collision with the heat-transfer pipe inwall of well heater 1 is continuous in flow process together with material water 10, at said process, the dirt that self-stip medium 4 will accumulate on the heat-transfer pipe inwall of well heater 1 strips down, thereby reached the purpose of self-stip antiscale, the steam heating that material water 10 is exported by vapour compressor 7 in the heat-transfer pipe of well heater 1, material water 10 after heating and self-stip medium 4 together enter solid-liquid separation chamber 5 from well heater 1 material water outlet, in solid-liquid separation chamber 5, self-stip medium 4 separates with heated material water 10, self-stip medium 4 after separation through the solid-liquid separation chamber 5 the injected pump 3 of solid outlet again injection enter in well heater 1, thereby obtain recycle, 5 liquid exit directly enters evaporative crystallization chamber 6 interior coolings evaporations to material water 10 after separation through the solid-liquid separation chamber, the secondary steam that evaporative process produces heats material water 10 as the heating steam of well heater 1 after vapour compressor 7 pressurizations heat up, after heater via 1, this part steam becomes condensed water 11 recovery, material water 10 concentration after evaporative crystallization chamber 6 interior evaporations increase, its contained salinity will crystallization, the crystallisate of separating out is delivered to down treatment process with the strong brine 12 after concentrating on a small quantity through brinepump 8, the interior most of material water 10 after concentrating in evaporative crystallization chamber 6 is again sent into well heater 1 internal recycle by material water pump 9 and is used.
Said process constantly repeats, thereby has realized the processing of high-salt wastewater, and has obtained water quality fresh water preferably, and this part fresh water can be used as to be produced or domestic water.
Claims (2)
1. the high salt sewage evaporation of self-stip crystallization apparatus, comprise well heater (1), evaporative crystallization chamber (6) and vapour compressor (7), the vapour outlet of described evaporative crystallization chamber (6) is connected with the import of vapour compressor (7), the outlet of vapour compressor (7) is connected with the steam inlet of well heater (1), the material water outlet of described evaporative crystallization chamber (6) is connected with the material water import of well heater (1), it is characterized in that: described device also comprises squirt pump (3), self-stip medium (4) and solid-liquid separation chamber (5), the outlet of described squirt pump (3) is connected with the material water import of well heater (1), the material water outlet of described well heater (1) is connected with the import of solid-liquid separation chamber (5), the solid outlet of described solid-liquid separation chamber (5) is connected with the injection entrance of squirt pump (3), the liquid exit of described solid-liquid separation chamber (5) is connected with evaporative crystallization chamber (6), described self-stip medium (4) is arranged in the heat-transfer pipe of well heater (1).
2. the high salt sewage evaporation of a kind of self-stip according to claim 1 crystallization apparatus is characterized in that: the material water ingress of described well heater (1) is provided with material water distribution orifice plate (2).
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| CN201310045229.2A CN103101989B (en) | 2013-02-05 | 2013-02-05 | Self-cleaning high-salt wastewater evaporative crystallization device |
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| CN201310045229.2A CN103101989B (en) | 2013-02-05 | 2013-02-05 | Self-cleaning high-salt wastewater evaporative crystallization device |
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| CN103101989A true CN103101989A (en) | 2013-05-15 |
| CN103101989B CN103101989B (en) | 2014-07-30 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0228144A1 (en) * | 1983-07-22 | 1987-07-08 | Eskla B.V. | Apparatus for carrying out physical and/or chemical processes, more specifically a heat exchanger of the continuous type |
| CN1066326A (en) * | 1991-04-27 | 1992-11-18 | 湘潭大学 | Heat-exchange apparatus having tubular conduit with liquid/solid fluidizaiton therein |
| JP2000024638A (en) * | 1998-07-07 | 2000-01-25 | Japan Organo Co Ltd | Evaporative concentrating method of sulfuric acid- containing waste water and evaporative concentrating device |
| CN2722181Y (en) * | 2004-07-30 | 2005-08-31 | 吕亚丽 | Autoamtic internal wall cleaner of heat exchanging pipe for tubular heat exchanger |
| CN101786754A (en) * | 2010-02-11 | 2010-07-28 | 上海东化环境工程有限公司 | Zero-emission treatment process for salt-containing wastewater |
| CN102631793A (en) * | 2012-03-05 | 2012-08-15 | 郑加福 | Automatically cleaned multiple-effect evaporation crystallizer |
| CN203112537U (en) * | 2013-02-05 | 2013-08-07 | 双良节能系统股份有限公司 | Self-cleaning evaporative crystallization device for high-salt sewage |
-
2013
- 2013-02-05 CN CN201310045229.2A patent/CN103101989B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0228144A1 (en) * | 1983-07-22 | 1987-07-08 | Eskla B.V. | Apparatus for carrying out physical and/or chemical processes, more specifically a heat exchanger of the continuous type |
| CN1066326A (en) * | 1991-04-27 | 1992-11-18 | 湘潭大学 | Heat-exchange apparatus having tubular conduit with liquid/solid fluidizaiton therein |
| JP2000024638A (en) * | 1998-07-07 | 2000-01-25 | Japan Organo Co Ltd | Evaporative concentrating method of sulfuric acid- containing waste water and evaporative concentrating device |
| CN2722181Y (en) * | 2004-07-30 | 2005-08-31 | 吕亚丽 | Autoamtic internal wall cleaner of heat exchanging pipe for tubular heat exchanger |
| CN101786754A (en) * | 2010-02-11 | 2010-07-28 | 上海东化环境工程有限公司 | Zero-emission treatment process for salt-containing wastewater |
| CN102631793A (en) * | 2012-03-05 | 2012-08-15 | 郑加福 | Automatically cleaned multiple-effect evaporation crystallizer |
| CN203112537U (en) * | 2013-02-05 | 2013-08-07 | 双良节能系统股份有限公司 | Self-cleaning evaporative crystallization device for high-salt sewage |
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| CN103101989B (en) | 2014-07-30 |
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