CN203007082U - Countercurrent multiple-effect evaporation device - Google Patents
Countercurrent multiple-effect evaporation device Download PDFInfo
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- CN203007082U CN203007082U CN 201320009477 CN201320009477U CN203007082U CN 203007082 U CN203007082 U CN 203007082U CN 201320009477 CN201320009477 CN 201320009477 CN 201320009477 U CN201320009477 U CN 201320009477U CN 203007082 U CN203007082 U CN 203007082U
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- vaporizer
- evaporation device
- effect evaporation
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Abstract
The utility model discloses a countercurrent multiple-effect evaporation device which structurally comprises a feed buffer tank, a feed pump, a filter, at least two evaporators, a plate and frame filter press, a waste solution tank, a waste solution pump and a product water tank, wherein the feed buffer tank, the feed pump, the filter and the evaporators are connected in series. The countercurrent multiple-effect evaporation device disclosed by the utility model can overcome the defects of the prior art and realize the sufficient utilization of heat energy and increase the treatment efficiency of sewage by arranging the series-connected evaporators.
Description
Technical field
The utility model relates to a kind of evaporated crystallization device, especially a kind of countercurrent multi-effect evaporation device.
Background technology
China's shortage of water resources is one of 13, world poor-water country, and water resource pollution is serious simultaneously, and 80% waters is arranged at present, and 45% underground water and 90% above urban water resource are polluted, and have entered the water crisis epoch.Petrochemical Enterprises more than 60% all is in areas of serious according to statistics, and the imbalance between supply and demand of fresh water is seriously restricting the Economic development of petrochemical industry.For this reason, the refinery reusing sewage project that starts one after another.But no matter reusing sewage adopts the sort of device, because the water inlet saltiness changes, all unavoidably produce a part of brackish water, account for 1/4th of reusing sewage scale, the discharging of this part sewage causes and is subjected to the salinization of water water body, do not meet the hinterland environmental emission standard, so for the inland refinery, this problem is almost insurmountable.Because the extra large sewage of row does not have the salt restriction, so in line after generally mixing with other sewage, but there is strict chlorion restriction the hinterland to sewage discharge, do not allow discharging, owing to suffering from not solution preferably, reusing sewage delays to realize qualified discharge, could discharge directly impact " ton profit consumption " index by other water quality dilutions.
The utility model content
The technical problems to be solved in the utility model is to provide a kind of countercurrent multi-effect evaporation device, can solve the deficiencies in the prior art, by the vaporizer of series connection is set, has realized taking full advantage of of heat energy, has improved the processing efficiency of sewage.
For solving the problems of the technologies described above, technical solution adopted in the utility model is as follows.
A kind of countercurrent multi-effect evaporation device, structure comprise charging surge tank, fresh feed pump, strainer and at least two vaporizers that series connection arranges; Outlet is connected with the Low Temperature Thermal water pipe of outside network the thermal source entrance of the vaporizer of last step with thermal source, the vapour outlet of the vaporizer of rear one-level is connected with the thermal source entrance of the vaporizer of upper level, and the vapour outlet of the vaporizer of the first step is connected with the product water pot by steam condenser; The liquor inlet of the vaporizer of the first step is connected with described strainer, the liquid outlet of completing of other vaporizer except the vaporizer of last step is connected with the liquor inlet of the vaporizer of next stage, the liquid outlet of completing of the vaporizer of last step is connected with the import of plate-and-frame filter press, the outlet of plate-and-frame filter press is connected with waste liquid tank, and waste liquid tank is connected by the liquor inlet of waste drains pump with the vaporizer of last step; The condensation-water drain of other vaporizer except the vaporizer of last step is connected with the product water pot.
As a kind of optimal technical scheme of the present utility model, the top of described vaporizer is provided with the separator, and the bottom is set to taper; Thermal source flowing-path and the feed liquid flowing-path of described vaporizer inside are contraries.
As a kind of optimal technical scheme of the present utility model, in the structure of described countercurrent multi-effect evaporation device, series connection is provided with 6～8 vaporizers.
As a kind of optimal technical scheme of the present utility model, described plate-and-frame filter press adopts hydraulic drive.
As a kind of optimal technical scheme of the present utility model, described product water pot is connected with clean water tank with the homogeneous equalizing tank respectively by water pump.
The beneficial effect that adopts technique scheme to bring is: this utility model utilizes the low-temperature water heating of refinery generation as thermal source, has improved energy utilization rate, reduces costs.The simultaneously cold operation corrosion and the fouling that have slowed down equipment, is conducive to operation steady in a long-term at support equipment work-ing life.Base of evaporator is set to taper, can reduce incrustation and abrasion, and the top arranges the separator, prevents entrainment, ensures the water quality of purifying waste water.A plurality of evaporator series use, and adopt the Reverse evaporation mode, prevent the salinity premature crystallization, avoid pipeline, equipment to stop up, and improve simultaneously the heat transfer coefficient of system, reduce power consumption.Strainer is set in feeding pipe, prevents that effectively catalyzer from entering in inorganic salt product.This device end arranges plate-and-frame filter press, the high-concentration sewage through evaporation process can be made the chemical industry of inorganic salt raw material, realizes sewage " zero release " target.
Description of drawings
Fig. 1 is the structural representation of an embodiment of the utility model.
In figure: 1, charging surge tank; 2, fresh feed pump; 3, strainer; 4, steam condenser; 5, vaporizer; 6, thermal source entrance; 7, Low Temperature Thermal water pipe; 8, vapour outlet; 9, liquor inlet; 10, complete the liquid outlet; 11, condensation-water drain; 12, product water pot; 13, separator; 14, plate-and-frame filter press; 15, waste liquid tank; 16, water pump; 17, homogeneous equalizing tank; 18, clean water tank; 19, waste drains pump; 20, thermal source outlet.
Embodiment
Referring to accompanying drawing, structure of the present utility model comprises charging surge tank 1, fresh feed pump 2, strainer 3 and six vaporizers 5 that series connection arranges; The thermal source entrance 6 of the vaporizer 5 of last step is connected with the Low Temperature Thermal water pipe 7 of outside network with thermal source outlet 20, the vapour outlet 8 of the vaporizer 5 of rear one-level is connected with the thermal source entrance 6 of the vaporizer 5 of upper level, and the vapour outlet 8 of the vaporizer 5 of the first step is connected with product water pot 12 by steam condenser 4; The liquor inlet 9 of the vaporizer 5 of the first step is connected with described strainer 3, the liquid outlet 10 of completing of other vaporizer 5 except the vaporizer of last step is connected with the liquor inlet 9 of the vaporizer 5 of next stage, the liquid outlet 10 of completing of the vaporizer 5 of last step is connected with the import of plate-and-frame filter press 14, the outlet of plate-and-frame filter press 14 is connected with waste liquid tank 15, and waste liquid tank 15 is connected with the liquor inlet 9 of the vaporizer 5 of last step by waste drains pump 19; The condensation-water drain 11 of other vaporizer 5 except the vaporizer of last step is connected with product water pot 12.The top of described vaporizer 5 is provided with separator 13, and the bottom is set to taper; Thermal source flowing-path and the feed liquid flowing-path of described vaporizer 5 inside are contraries.Described plate-and-frame filter press 14 adopts hydraulic drive.Described product water pot 12 is connected with clean water tank 18 with homogeneous equalizing tank 17 respectively by water pump 16.
Referring to accompanying drawing, principle of work of the present utility model is: pending sewage boosts through fresh feed pump 2 from charging surge tank 1 and the filtration of strainer, enter the vaporizer 5 of front Pyatyi, in the vaporizer 5 of front Pyatyi, the steam of sending in pending sewage and the vaporizer of upper level 5 carries out counterflow heat exchange, and the water that vapor condensation goes out flows in product water pot 12 by condensation-water drain 11.The steam of discharging from the vaporizer 5 of the first step is condensed into water of condensation by steam condenser 4 and enters product water pot 12.When pending sewage flows in the vaporizer 5 of last step, carry out countercurrent evaporation with the low-temperature water heating of introducing from outside network, the steam of generation is admitted in the vaporizer 5 of previous stage and uses as thermal source.Remaining high-concentration sewage enters plate-and-frame filter press 14 and carries out the pressure filtration crystallization, obtains the chemical industry of inorganic salt raw material of solid.The waste liquid that filters out flows into waste liquid tank 15, enters in the vaporizer 5 of last step by waste drains pump 19 circulations, again evaporates.Water of condensation in product water pot 12 is delivered to respectively in homogeneous equalizing tank 17 and clean water tank 18 by water pump 16.
Foregoing description only proposes as the enforceable technical scheme of the utility model, not as the Single restriction condition to its technical scheme itself.
Claims (5)
1. countercurrent multi-effect evaporation device is characterized in that: structure comprises charging surge tank (1), fresh feed pump (2), strainer (3) and at least two vaporizers (5) that series connection arranges; The thermal source entrance (6) of the vaporizer of last step (5) is connected with the Low Temperature Thermal water pipe (7) of outside network with thermal source outlet (20), the vapour outlet (8) of the vaporizer of rear one-level (5) is connected with the thermal source entrance (6) of the vaporizer (5) of upper level, and the vapour outlet (8) of the vaporizer of the first step (5) is connected with product water pot (12) by steam condenser (4); the liquor inlet (9) of the vaporizer of the first step (5) is connected with described strainer (3), the liquid outlet (10) of completing of other vaporizer (5) except the vaporizer of last step is connected with the liquor inlet (9) of the vaporizer (5) of next stage, the liquid outlet (10) of completing of the vaporizer of last step (5) is connected with the import of plate-and-frame filter press (14), the outlet of plate-and-frame filter press (14) is connected with waste liquid tank (15), waste liquid tank (15) is connected with the liquor inlet (9) of the vaporizer (5) of last step by waste drains pump (19), the condensation-water drain (11) of other vaporizer (5) except the vaporizer of last step is connected with product water pot (12).
2. countercurrent multi-effect evaporation device according to claim 1, it is characterized in that: the top of described vaporizer (5) is provided with separator (13), and the bottom is set to taper; Inner thermal source flowing-path and the feed liquid flowing-path of described vaporizer (5) is contrary.
3. countercurrent multi-effect evaporation device according to claim 1 is characterized in that: in the structure of described countercurrent multi-effect evaporation device, series connection is provided with 6～8 vaporizers (5).
4. countercurrent multi-effect evaporation device according to claim 1, is characterized in that: described plate-and-frame filter press (14) employing hydraulic drive.
5. countercurrent multi-effect evaporation device according to claim 1 is characterized in that: described product water pot (12) is connected with clean water tank (18) with homogeneous equalizing tank (17) respectively by water pump (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320009477 CN203007082U (en) | 2013-01-09 | 2013-01-09 | Countercurrent multiple-effect evaporation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320009477 CN203007082U (en) | 2013-01-09 | 2013-01-09 | Countercurrent multiple-effect evaporation device |
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| Publication Number | Publication Date |
|---|---|
| CN203007082U true CN203007082U (en) | 2013-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201320009477 Expired - Lifetime CN203007082U (en) | 2013-01-09 | 2013-01-09 | Countercurrent multiple-effect evaporation device |
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| CN (1) | CN203007082U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103739025A (en) * | 2013-12-19 | 2014-04-23 | 广州市金龙峰环保设备工程有限公司 | High-efficiency and energy-saving multi-effect evaporator system |
| CN103951005A (en) * | 2014-04-30 | 2014-07-30 | 集美大学 | Zero-discharge multiple technology coupled seawater desalination device and method |
-
2013
- 2013-01-09 CN CN 201320009477 patent/CN203007082U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103739025A (en) * | 2013-12-19 | 2014-04-23 | 广州市金龙峰环保设备工程有限公司 | High-efficiency and energy-saving multi-effect evaporator system |
| CN103739025B (en) * | 2013-12-19 | 2015-08-19 | 广州市金龙峰环保设备工程有限公司 | A kind of energy-efficient Multi-effect evaporator system |
| CN103951005A (en) * | 2014-04-30 | 2014-07-30 | 集美大学 | Zero-discharge multiple technology coupled seawater desalination device and method |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130619 |