CN203639285U - Negative pressure concentration treatment system for electroplating wastewater - Google Patents
Negative pressure concentration treatment system for electroplating wastewater Download PDFInfo
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- CN203639285U CN203639285U CN201320846161.3U CN201320846161U CN203639285U CN 203639285 U CN203639285 U CN 203639285U CN 201320846161 U CN201320846161 U CN 201320846161U CN 203639285 U CN203639285 U CN 203639285U
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Abstract
The utility model discloses a negative pressure concentration treatment system for electroplating wastewater. The negative pressure concentration treatment system comprises a triple effect evaporation device, a condenser, a condensate water trough, a cold water tank, a vacuum unit, a sedimentation storage tank and a centrifugal machine, wherein the triple effect evaporation device is respectively connected with the condenser, the condensate water trough and the sedimentation storage tank, the condenser is connected with the cold water tank, the sedimentation storage tank is connected with the centrifugal machine, and the cold water tank is connected with the vacuum unit. Through the manner, the negative pressure concentration treatment system for electroplating wastewater disclosed by the utility model carries out retreatment on the electroplating wastewater after medicine neutralization and sedimentation by utilizing the combination of the triple effect evaporation device and the centrifugal machine, and removes and recovers metal salt and other impurities in the wastewater to enable the wastewater to meet discharge standards or be reused, external steam provides a circulating heat source, so that the negative pressure concentration treatment system is low in treatment cost, realizes energy conservation and emission reduction, and protects the environment.
Description
Technical field
The utility model relates to electroplating waste water treatment technology field, particularly relates to a kind of electroplating wastewater negative pressure concentrating and treating system.
Background technology
Electroplating wastewater is the various waste water of discharging at plating production process, mainly comprises plating piece rinse water, spent plating bath, washes away mill floor water, scrubs pole plate wash water, ventilation installation water of condensation and various tank liquors and draining due to coating bath seepage or operational administrative improper " run, drip, leak " that cause.Electroplating wastewater contains certain salt, free acid and organic compound, comprises that the needs such as vitriol, muriate, fluoroborate of various metals just can discharge through processing.
Heavy metal in electroplating wastewater is difficult to process, adopt general chemical method, Physical, activated sludge process, biomembrance process and anaerobic biological process to be also difficult to realize the zero release of heavy metal in waste water, if these waste water are just emitted in river without thorough processing, will cause the pollution of ecotope, through the continuous propagation of animals and plants and current, be even detrimental to health.
Utility model content
The technical problem that the utility model mainly solves is to provide a kind of electroplating wastewater negative pressure concentrating and treating system, and the electroplating wastewater after medicine neutralization precipitation is processed again, thoroughly reclaims the metal-salt in waste water, realizes clean discharge.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of electroplating wastewater negative pressure concentrating and treating system is provided, comprise: triple-effect evaporation plant, condenser, condensate draining, cold water tank, vacuum unit, precipitation storage tank and whizzer, described triple-effect evaporation plant is connected with condenser, condensate draining and precipitation storage tank respectively, described condenser is connected with cold water tank, described precipitation storage tank is connected with whizzer, and described cold water tank is connected with vacuum unit.
In preferred embodiment of the utility model, described triple-effect evaporation plant comprises an effect evaporator room, two effect evaporator room and triple effect evaporation chambers, a described effect evaporator room, two effect evaporator rooms and triple effect evaporation chamber are provided with waste pipe and connect successively, on waste pipe between a described effect evaporator room and two effect evaporator rooms, be provided with the second under meter, on the waste pipe between described two effect evaporator rooms and triple effect evaporation chamber, be provided with the 3rd under meter.
In preferred embodiment of the utility model, described triple-effect evaporation plant also comprises primary heater, secondary heater, the 3rd well heater, the 4th well heater, the 5th well heater and the 6th well heater, described the 4th well heater, the 5th well heater, the 6th well heater and an effect evaporator room are connected successively, on the waste pipe between described the 6th well heater and an effect evaporator room, are provided with first flow meter.
In preferred embodiment of the utility model, the bottom of described the 4th well heater is connected with outside density wastewater pipeline by water pump.
In preferred embodiment of the utility model, the inlet mouth of described primary heater is connected with outside steam-pipe, and the air outlet of described primary heater is connected with the 6th well heater.
In preferred embodiment of the utility model, on described two effect evaporator rooms and triple effect evaporation chamber, be respectively arranged with vacuum meter.
In preferred embodiment of the utility model, described the 4th well heater is connected with condensate draining respectively with the 5th well heater.
In preferred embodiment of the utility model, after being connected with primary heater by waste pipe, a described effect evaporator room bottom accesses again an effect evaporator room middle part, after being connected with secondary heater by waste pipe, described two effect evaporator room bottoms access again two effect evaporator room middle parts, after being connected with the 3rd well heater by waste pipe, bottom, described triple effect evaporation chamber accesses again middle part, triple effect evaporation chamber, between described two effect evaporator rooms and secondary heater, be provided with two effect recycle pumps, between described triple effect evaporation chamber and the 3rd well heater, be provided with triple effect recycle pump, a described effect evaporator room top is connected with the inlet mouth of secondary heater, the air outlet of described secondary heater is connected with the inlet mouth of the 5th well heater, described two effect evaporator room tops are connected with the inlet mouth of the 3rd well heater, the air outlet of described the 3rd well heater is connected with the inlet mouth of the 4th well heater, top, described triple effect evaporation chamber is connected with condenser.
In preferred embodiment of the utility model, described the 3rd well heater is provided with discharge pipe and is connected with precipitation storage tank, is provided with discharging pump in the middle of described discharge pipe.
In preferred embodiment of the utility model, described condensate draining and cold water tank are provided with shared condensate pump.
The beneficial effects of the utility model are: the electroplating wastewater negative pressure concentrating and treating system that the utility model is pointed out; utilize the combination of triple-effect evaporation plant and whizzer; electroplating wastewater after medicine neutralization precipitation is processed again; remove and reclaim metal-salt and other impurity in waste water; make waste water meet emission standard or re-using, steam-out (SO) provides circulation thermal source, and processing cost is low; energy-saving and emission-reduction, protection of the environment.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing, wherein:
Fig. 1 is the structural representation of the utility model electroplating wastewater negative pressure concentrating and treating system one preferred embodiment;
In accompanying drawing, the mark of each parts is as follows: 5, condenser, 6, precipitation storage tank, 7, whizzer, 8, vacuum unit, 91, cold water tank, 92, condensate draining, 10, vacuum meter, 11, one effect evaporator room, 12, two effect evaporator rooms, 13, triple effect evaporation chamber, 21, water pump, 22, condensate pump, 23, discharging pump, 24, triple effect recycle pump, 25, two effect recycle pumps, 31, first flow meter, 32, the second under meter, 33, the 3rd under meter, 41, primary heater, 42, secondary heater 43, the 3rd well heater, 44, the 4th well heater 45, the 5th well heater 46, the 6th well heater.
Embodiment
To the technical scheme in the utility model embodiment be clearly and completely described below, obviously, described embodiment is only a part of embodiment of the present utility model, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making all other embodiment that obtain under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1, the utility model embodiment comprises:
A kind of electroplating wastewater negative pressure concentrating and treating system, comprise: triple-effect evaporation plant, condenser 5, condensate draining 92, cold water tank 91, vacuum unit 8, precipitation storage tank 6 and whizzer 7, described triple-effect evaporation plant respectively with condenser 5, condensate draining 92 is connected with precipitation storage tank 6, described condenser 5 is connected with cold water tank 91 to fetch and accepts the residual steam water forming that liquefies, described precipitation storage tank 6 is connected with whizzer 7, Waste water concentrating thing in precipitation storage tank 6 is carried out to dewatering and recovery, described cold water tank 91 is connected with vacuum unit 8, thereby triple-effect evaporation plant is vacuumized.
Further, described triple-effect evaporation plant comprises an effect evaporator room 11, two effect evaporator room 12 and triple effect evaporation chambers 13, a described effect evaporator room 11, two effect evaporator rooms 12 and triple effect evaporation chamber 13 are provided with waste pipe and connect successively, waste water is carried out to stepped evaporation to be concentrated, on waste pipe between a described effect evaporator room 11 and two effect evaporator rooms 12, be provided with the second under meter 32, on the waste pipe between described two effect evaporator rooms 12 and triple effect evaporation chamber 13, be provided with the 3rd under meter 33.
Further, described triple-effect evaporation plant also comprises primary heater 41, secondary heater 42, the 3rd well heater 43, the 4th well heater 44, the 5th well heater 45 and the 6th well heater 46, described the 4th well heater 44, the 5th well heater 45, the 6th well heater 46 and an effect evaporator room 11 are connected successively, on the waste pipe between described the 6th well heater 46 and an effect evaporator room 11, are provided with first flow meter 31.
Further, the bottom of described the 4th well heater 44 is connected with outside density wastewater pipeline by water pump 21, by water pump 21, the electroplating wastewater after medicine neutralization precipitation is sent into treatment system.
Further, the inlet mouth of described primary heater 41 is connected with outside steam-pipe, and the air outlet of described primary heater 41 is connected with the 6th well heater 46, carries out the transmission of steam heat.
Further, on described two effect evaporator rooms 12 and triple effect evaporation chamber 13, be respectively arranged with vacuum meter 10, the vacuum condition of monitoring treatment system, the convenient work of adjusting vacuum unit 8.
Further, described the 4th well heater 44 is connected with condensate draining 92 respectively with the 5th well heater 45, accepts the water of steam liquefied in well heater.
Further, after being connected with primary heater 41 by waste pipe, described effect evaporator room 11 bottoms access again effect evaporator room 11 middle parts, waste water in one effect evaporator room 11 is carried out to circulating-heating, after being connected with secondary heater 42 by waste pipe, described two effect evaporator room 12 bottoms access again two effect evaporator room 12 middle parts, 13 middle parts, triple effect evaporation chamber are accessed again after being connected with the 3rd well heater 43 by waste pipe in 13 bottoms, described triple effect evaporation chamber, between described two effect evaporator rooms 12 and secondary heater 42, be provided with two effect recycle pumps 25, between described triple effect evaporation chamber 13 and the 3rd well heater 43, be provided with triple effect recycle pump 24, described effect evaporator room 11 tops are connected with the inlet mouth of secondary heater 42, the steam of waste water heating vaporization in one effect evaporator room 11 is heated secondary heater 42 again, then the air outlet of described secondary heater 42 is connected with the inlet mouth of the 5th well heater 45, composition hydronics, components utilising heat, save the usage quantity of external steam, described two effect evaporator room 12 tops are connected with the inlet mouth of the 3rd well heater 43, the air outlet of described the 3rd well heater 43 is connected with the inlet mouth of the 4th well heater 44, 13 tops, described triple effect evaporation chamber are connected with condenser 5, accept residual steam.
Further, described the 3rd well heater 43 is provided with discharge pipe and is connected with precipitation storage tank 6, is provided with discharging pump 23 in the middle of described discharge pipe, and discharging pump 23 is extracted into the Waste water concentrating thing in the 3rd well heater 43 the top entrance of precipitation storage tank 6.
Further, described condensate draining 92 and cold water tank 91 are provided with shared condensate pump 22, reduce equipment cost.
In sum; the electroplating wastewater negative pressure concentrating and treating system that the utility model is pointed out; on the basis of medicine neutralization precipitation; waste water has been carried out purifying more thoroughly; waste water can be re-used or qualified discharge, and reclaimed the metal-salt in waste water and other impurity, electric energy and the quantity of steam of consumption are low; reduce operation cost of enterprises, realized the target of energy-saving and emission-reduction, protection of the environment.
The foregoing is only embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure or conversion of equivalent flow process that utilizes the utility model description to do; or be directly or indirectly used in other relevant technical field, be all in like manner included in scope of patent protection of the present utility model.
Claims (10)
1. an electroplating wastewater negative pressure concentrating and treating system, it is characterized in that, comprise: triple-effect evaporation plant, condenser, condensate draining, cold water tank, vacuum unit, precipitation storage tank and whizzer, described triple-effect evaporation plant is connected with condenser, condensate draining and precipitation storage tank respectively, described condenser is connected with cold water tank, described precipitation storage tank is connected with whizzer, and described cold water tank is connected with vacuum unit.
2. electroplating wastewater negative pressure concentrating and treating system according to claim 1, it is characterized in that, described triple-effect evaporation plant comprises an effect evaporator room, two effect evaporator room and triple effect evaporation chambers, a described effect evaporator room, two effect evaporator rooms and triple effect evaporation chamber are provided with waste pipe and connect successively, on waste pipe between a described effect evaporator room and two effect evaporator rooms, be provided with the second under meter, on the waste pipe between described two effect evaporator rooms and triple effect evaporation chamber, be provided with the 3rd under meter.
3. electroplating wastewater negative pressure concentrating and treating system according to claim 2, it is characterized in that, described triple-effect evaporation plant also comprises primary heater, secondary heater, the 3rd well heater, the 4th well heater, the 5th well heater and the 6th well heater, described the 4th well heater, the 5th well heater, the 6th well heater and an effect evaporator room are connected successively, on the waste pipe between described the 6th well heater and an effect evaporator room, are provided with first flow meter.
4. electroplating wastewater negative pressure concentrating and treating system according to claim 3, is characterized in that, the bottom of described the 4th well heater is connected with outside density wastewater pipeline by water pump.
5. electroplating wastewater negative pressure concentrating and treating system according to claim 3, is characterized in that, the inlet mouth of described primary heater is connected with outside steam-pipe, and the air outlet of described primary heater is connected with the 6th well heater.
6. electroplating wastewater negative pressure concentrating and treating system according to claim 2, is characterized in that, on described two effect evaporator rooms and triple effect evaporation chamber, is respectively arranged with vacuum meter.
7. electroplating wastewater negative pressure concentrating and treating system according to claim 3, is characterized in that, described the 4th well heater is connected with condensate draining respectively with the 5th well heater.
8. electroplating wastewater negative pressure concentrating and treating system according to claim 3, it is characterized in that, after being connected with primary heater by waste pipe, a described effect evaporator room bottom accesses again an effect evaporator room middle part, after being connected with secondary heater by waste pipe, described two effect evaporator room bottoms access again two effect evaporator room middle parts, after being connected with the 3rd well heater by waste pipe, bottom, described triple effect evaporation chamber accesses again middle part, triple effect evaporation chamber, between described two effect evaporator rooms and secondary heater, be provided with two effect recycle pumps, between described triple effect evaporation chamber and the 3rd well heater, be provided with triple effect recycle pump, a described effect evaporator room top is connected with the inlet mouth of secondary heater, the air outlet of described secondary heater is connected with the inlet mouth of the 5th well heater, described two effect evaporator room tops are connected with the inlet mouth of the 3rd well heater, the air outlet of described the 3rd well heater is connected with the inlet mouth of the 4th well heater, top, described triple effect evaporation chamber is connected with condenser.
9. electroplating wastewater negative pressure concentrating and treating system according to claim 3, is characterized in that, described the 3rd well heater is provided with discharge pipe and is connected with precipitation storage tank, is provided with discharging pump in the middle of described discharge pipe.
10. electroplating wastewater negative pressure concentrating and treating system according to claim 1, is characterized in that, described condensate draining and cold water tank are provided with shared condensate pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320846161.3U CN203639285U (en) | 2013-12-20 | 2013-12-20 | Negative pressure concentration treatment system for electroplating wastewater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320846161.3U CN203639285U (en) | 2013-12-20 | 2013-12-20 | Negative pressure concentration treatment system for electroplating wastewater |
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| Publication Number | Publication Date |
|---|---|
| CN203639285U true CN203639285U (en) | 2014-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320846161.3U Expired - Fee Related CN203639285U (en) | 2013-12-20 | 2013-12-20 | Negative pressure concentration treatment system for electroplating wastewater |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103663836A (en) * | 2013-12-20 | 2014-03-26 | 江苏和丰制铁新材料科技有限公司 | System for negative pressure concentration treatment of electroplating waste water |
-
2013
- 2013-12-20 CN CN201320846161.3U patent/CN203639285U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103663836A (en) * | 2013-12-20 | 2014-03-26 | 江苏和丰制铁新材料科技有限公司 | System for negative pressure concentration treatment of electroplating waste water |
| CN103663836B (en) * | 2013-12-20 | 2015-04-15 | 江苏和丰制铁新材料科技有限公司 | System for negative pressure concentration treatment of electroplating waste water |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140611 Termination date: 20211220 |
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| CF01 | Termination of patent right due to non-payment of annual fee |