CN103657122A - Sextuple-effect evaporation device - Google Patents
Sextuple-effect evaporation device Download PDFInfo
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- CN103657122A CN103657122A CN201310629697.4A CN201310629697A CN103657122A CN 103657122 A CN103657122 A CN 103657122A CN 201310629697 A CN201310629697 A CN 201310629697A CN 103657122 A CN103657122 A CN 103657122A
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Abstract
The invention relates to the field of treatment of industrial waste water and particularly discloses a sextuple-effect evaporation device. According to the evaporation device, the energy sources are utilized for multiple times as secondary steam generated in each falling film evaporator is repeatedly used and a raw material liquid about to enter the evaporator is repeatedly preheated by using a heater and the high temperature condensed water in the falling film evaporator. The industrial waste water is repeatedly evaporated and concentrated by using various evaporators to form a concentrated liquid with certain concentration, and finally two sets of forced-circulation evaporators are used to evaporate, crystallize and recycle the concentrated liquid. The sextuple-effect evaporation device can be widely applied to evaporation, concentration and crystallization in various industries, so that the salt-containing waste water of different qualities can be effectively treated to separate out sodium chloride and other chemical products, and the secondary steam and the condensed liquid can also enter the production process to help separate out salt substances in the industrial waste water, as a result, the thermal energy and the water resources are greatly saved, and the requirement for zero emission of the industrial waste water can be met.
Description
Technical field
The invention belongs to Industrial Wastewater Treatment field, be specifically related to a kind of sextuple-effect evaporation device.
Background technology
At some waste water, produce concentrated industry as industries such as desalinization, Coal Chemical Industry, fine chemistry industry, thermal power plant, leather manufacture, mining, cement, sugaring, food and drink and agricultural byproducts processings, its wastewater discharge is very large, environment is caused to severe contamination, water pollution is presented by putting and face, by earth's surface to underground, the situation being increased the weight of to the continuous depth of large area by basin, directly jeopardize the quality of life of the people in region and healthy, cause serious social contradications, some factories are because cause the pollution of waterhead stopping production that is forced to close the door.For reducing the environmental pollution producing because of industrial wastewater discharge, need new technology and equipment thoroughly to break away from production and--pollute the vicious circle that--producing--pollutes again again, realize real water circulation cleaner production.
Evaporation is one of modern chemical industry unit operations, by the method for heating, makes the partial solvent in solution vaporize and remove, and to improve the concentration of solution, or separates out and creates conditions for solute.Multi-effect evaporator is widely used in chemical industry, but successful case is less in brine waste is processed, and the water quality of Qie Ge brine waste enterprise differs greatly, and evaporation process effect and disposal cost also can be different.
Summary of the invention
For above problem, the object of the present invention is to provide a kind of sextuple-effect evaporation device, it can be widely used in the evaporation of various industries, concentrated, crystallization, to different quality brine wastes, can effectively process, isolate sodium chloride and other chemical products, and indirect steam and condensate liquid also can enter production procedure, in order to help to separate out the salts substances in industrial wastewater, greatly save heat energy and water resource, can reach zero discharge of industrial waste water requirement.
For reaching above object, the present invention is achieved by the following technical solutions.
A sextuple-effect evaporation device, is characterized in that, comprises an effect heater, two effect heaters, triple effect heater, quadruple effect heater, five effect heaters, six effect heaters; Corresponding, an effect falling film evaporator, two effect falling film evaporators, triple effect falling film evaporator, quadruple effect falling film evaporator, five effect forced-circulation evaporators, six effect forced-circulation evaporators; A corresponding effect separator, two effect separators, triple effect separator, quadruple effect separator; An and condenser;
The discharge opening pipeline of a described effect falling film evaporator is communicated with the charging aperture of two effect falling film evaporators, the discharge opening pipeline of two effect falling film evaporators is communicated with the charging aperture of triple effect falling film evaporator, on the pipeline connecting between the discharging opening of two effect falling film evaporators and the charging aperture of triple effect falling film evaporator, be provided with the first valve, the discharge opening pipeline of triple effect falling film evaporator is communicated with the charging aperture of quadruple effect falling film evaporator, and the discharge opening pipeline of quadruple effect falling film evaporator is communicated with concentrated liquid pool; The charging aperture of described five effect forced-circulation evaporators is communicated with concentrated liquid pool by a concentrate material loading main line, and described concentrate material loading main line is provided with the second valve; The discharge opening pipeline of five effect forced-circulation evaporators is communicated with solids mixing liquid A pond; The charging aperture of six effect forced-circulation evaporators is by a filtrate material loading pipeline connection solids mixing liquid A pond, and the discharge opening pipeline of six effect forced-circulation evaporators is communicated with solids mixing liquid B pond;
The indirect steam outlet of described one, two, three, quadruple effect falling film evaporator respectively pipeline communication corresponding one, two, three, quadruple effect separator; One, two, the outlet of the indirect steam of triple effect separator respectively pipeline communication corresponding two, three, the heating clamber of quadruple effect falling film evaporator, connecting pipe between two effect separators and triple effect falling film evaporator is provided with the 3rd valve, the indirect steam outlet conduit of quadruple effect separator is communicated with the heating clamber of five effect forced-circulation evaporators, connecting pipe between the indirect steam outlet of quadruple effect separator and the heating clamber of five effect forced-circulation evaporators is provided with the 4th valve, the heating clamber of one effect falling film evaporator is communicated with saturated steam pipe, and saturated steam pipe is provided with the 5th valve;
The charging aperture of described six effect heaters is connected with raw material liquid pool, the discharge opening pipeline of six effect heaters is communicated with the charging aperture of five effect heaters, the discharge opening pipeline of five effect heaters is communicated with the charging aperture of quadruple effect heater, the discharge opening pipeline of quadruple effect heater is communicated with the charging aperture of triple effect heater, the discharging opening of triple effect heater enters the charging aperture of two effect heaters, the discharge opening pipeline of two effect heaters is communicated with the charging aperture of an effect heater, the discharge opening pipeline of one effect heater is communicated with the charging aperture of an effect falling film evaporator, connecting pipe between the charging aperture of the discharging opening of one effect heater and an effect falling film evaporator is provided with the 6th valve,
The thermal source entrance of a described effect heater and two effect heaters is connected saturated steam pipe; The thermal source entrance of access triple effect heater after the condensation-water drain pipeline of the condensation-water drain of the condensation-water drain of one effect heater, two effect heaters and an effect falling film evaporator is communicated with; The thermal source entrance of access quadruple effect heater after the two effect condensation-water drains of falling film evaporator and the condensation-water drain pipeline of triple effect falling film evaporator are communicated with; The condensation-water drain pipeline of quadruple effect falling film evaporator is communicated with the thermal source entrance of five effect heaters; The indirect steam outlet conduit of five effect forced-circulation evaporators is communicated with the heating clamber of six effect forced-circulation evaporators; The indirect steam outlet conduit of six effect forced-circulation evaporators is communicated with the thermal source entrance of six effect heaters; Three, the thermal source outlet conduit of four, five effect heaters accesses a condensed water recovery pond after being communicated with; The condensation-water drain pipeline of six effect heaters is communicated with described condensed water recovery pond;
The on-condensible gas outlet of described one, two, six effect heaters connects condenser; One, two, three, the on-condensible gas outlet conduits of the outlet of the on-condensible gas of quadruple effect falling film evaporator and five, six effect forced-circulation evaporators be communicated with after access condenser; The condensation-water drain of condenser connects described condensed water recovery pond.
The feature of technique scheme and further improvement:
The discharging opening of described two effect falling film evaporators is provided with the concentrate recovery tube branch road that connects concentrated liquid pool, and described concentrate recovery tube branch road is provided with the 7th valve.
Between a described effect discharging opening for heater and the charging aperture of triple effect falling film evaporator, be provided with material liquid pipe branch road, described material liquid pipe branch road is provided with the 8th valve.
The charging aperture of described six effect forced-circulation evaporators is provided with the concentrate material loading bye-pass that connects concentrated liquid pool, and described concentrate material loading bye-pass is provided with the 9th valve.
The heating clamber of described triple effect falling film evaporator is provided with saturated steam pipe branch road, and described saturated steam pipe branch road is provided with the tenth valve.
The indirect steam outlet of described two effect separators is provided with two effect indirect steam branch roads, and described two effect indirect steam branch roads connect the heating clamber that the 4th valve leads to five effect forced-circulation evaporators, and two effect indirect steam branch roads are provided with the 11 valve.
The indirect steam outlet of described quadruple effect separator is provided with quadruple effect indirect steam branch road, and described quadruple effect indirect steam bypass line is communicated with the heating clamber of six effect forced-circulation evaporators, and quadruple effect indirect steam branch road is provided with the 12 valve.
Described two effect indirect steam branch roads are communicated with quadruple effect indirect steam branch road.
The invention has the beneficial effects as follows, by the repeatedly utilization to the indirect steam producing in each falling film evaporator, and utilize the high-temperature condensation water in heater and falling film evaporator to carry out repeatedly preheating to the material liquid entering before evaporimeter, the energy is carried out to multilayer utilization.By utilizing each evaporimeter to carry out repeatedly evaporation and concentration to industrial wastewater, form certain density concentrate, finally by two groups of forced-circulation evaporators, concentrate is carried out to evaporative crystallization recovery, reach the zero-emission of industrial wastewater.It has also adopted can be by the valve on control piper, front quadruple effect falling film evaporator is divided into two groups of evaporimeters that can be used alone, also rear two effect forced-circulation evaporators can be divided is also two groups of evaporimeters that can be used alone, can carry out the maintenance of rotation flexibly cleaning to equipment, and need not stop the operation of whole evaporimeter.
Accompanying drawing explanation
Below by drawings and Examples, 26S Proteasome Structure and Function of the present invention is further detailed:
Fig. 1 is the whole pipeline connection diagram of a kind of sextuple-effect evaporation device of the present invention;
Fig. 2 is material liquid and the concentrate pipeline connection diagram of a kind of sextuple-effect evaporation device of the present invention;
Fig. 3 is steam, indirect steam and the on-condensible gas pipeline connection diagram of a kind of sextuple-effect evaporation device of the present invention;
Fig. 4 is the condensate line connection diagram of a kind of sextuple-effect evaporation device of the present invention.
In above figure: 1a, an effect falling film evaporator; 1b, two effect falling film evaporators; 1c, triple effect falling film evaporator; 1d, quadruple effect falling film evaporator; 2a, an effect separator; 2b, two effect separators; 2c, triple effect separator; 2d, quadruple effect separator; 3a, an effect heater; 3b, two effect heaters; 3c, triple effect heater; 3d, quadruple effect heater; 3e, five effect heaters; 3f, six effect heaters; 4e, five effect forced-circulation evaporators; 4f, six effect forced-circulation evaporators; 5, condenser; 6, saturated steam pipe branch road; 7a, the first valve; 7b, the second valve; 7c, the 3rd valve; 7d, the 4th valve; 7e, the 5th valve; 7f, the 6th valve; 7g, the 7th valve; 7h, the 8th valve; 7i, the 9th valve; 7j, the tenth valve; 7k, the 11 valve; 7l, the 12 valve; 8, two effect indirect steam branch roads; 9, material liquid pipe branch road; 10, concentrate recovery tube branch road; 11, concentrate material loading main line; 12, filtrate material loading pipeline; 13, concentrate material loading bye-pass; 14, quadruple effect indirect steam branch road.
The specific embodiment
With reference to figure 1, a kind of sextuple-effect evaporation device of the present invention, comprises an effect heater (3a), two effect heaters (3b), triple effect heater (3c), quadruple effect heater (3d), five effect heaters (3e), six effect heaters (3f); A corresponding effect falling film evaporator (1a), two effect falling film evaporators (1b), triple effect falling film evaporator (1c), quadruple effect falling film evaporator (1d), five effect forced-circulation evaporators (4e), six effect forced-circulation evaporators (4f); A corresponding effect separator (2a), two effect separators (2b), triple effect separator (2c), quadruple effect separator (2d), and a condenser (5).
With reference to figure 2, the discharge opening pipeline of one effect falling film evaporator (1a) is communicated with the charging aperture of two effect falling film evaporators (1b), the discharge opening pipeline of two effect falling film evaporators (1b) is communicated with the charging aperture of triple effect falling film evaporator (1c), on the pipeline connecting between the discharging opening of two effect falling film evaporators (1b) and the charging aperture of triple effect falling film evaporator (1c), be provided with the first valve (7a), the discharge opening pipeline of triple effect falling film evaporator (1c) is communicated with the charging aperture of quadruple effect falling film evaporator (1d), the discharge opening pipeline of quadruple effect falling film evaporator (1d) is communicated with concentrated liquid pool.The charging aperture of five effect forced-circulation evaporators (4e) is communicated with concentrated liquid pool by a concentrate material loading main line (11), and concentrate material loading main line (11) is provided with the second valve (7b), on concentrate material loading pipeline (11), is also connected with feeding pump.The discharge opening pipeline of five effect forced-circulation evaporators (4e) is communicated with solids mixing liquid A pond.The charging aperture of six effect forced-circulation evaporators (4f) is communicated with solids mixing liquid A pond by a filtrate material loading pipeline (12), on filtrate material loading pipeline (12), is also connected with feeding pump.The discharge opening pipeline of six effect forced-circulation evaporators (4f) is communicated with solids mixing liquid B pond.
The charging aperture (3f) of six effect heaters is connected with raw material liquid pool, the discharge opening pipeline of six effect heaters (3f) is communicated with the charging aperture of five effect heaters (3e), the discharge opening pipeline of five effect heaters (3e) is communicated with the charging aperture of quadruple effect heater (3d), the discharge opening pipeline of quadruple effect heater (3d) is communicated with the charging aperture of triple effect heater (3c), the discharging opening of triple effect heater (3c) enters the charging aperture of two effect heaters (3b), the discharge opening pipeline of two effect heaters (3b) is communicated with the charging aperture of an effect heater (3a), the discharge opening pipeline of one effect heater (3a) is communicated with the charging aperture of an effect falling film evaporator (1a), connecting pipe between the charging aperture of the discharging opening of one effect heater (3a) and an effect falling film evaporator (1a) is provided with the 6th valve (7f).
Meanwhile, the discharging opening of two effect falling film evaporators (1b) is provided with the concentrate recovery tube branch road (10) that connects concentrated liquid pool, and concentrate recovery tube branch road (10) is provided with the 7th valve (7g).Between the discharging opening of one effect heater (3a) and the charging aperture of triple effect falling film evaporator (1c), be provided with material liquid pipe branch road (9), material liquid pipe branch road (9) is provided with the 8th valve (7h).The charging aperture of six effect forced-circulation evaporators (4f) is provided with the concentrate material loading bye-pass (13) that connects concentrated liquid pool, and concentrate material loading bye-pass (13) is provided with the 9th valve (7i).
With reference to figure 3, dotted line is indirect steam pipeline, one, two, three, the outlet of the indirect steam of quadruple effect falling film evaporator (1a, 1b, 1c, 1d) respectively pipeline communication corresponding one, two, three, quadruple effect separator (2a, 2b, 2c, 2d).One, two, triple effect separator (2a, 2b, the outlet of indirect steam 2c) respectively pipeline communication corresponding two, three, quadruple effect falling film evaporator (1b, 1c, heating clamber 1d), connecting pipe between two effect separators (2b) and triple effect falling film evaporator (1c) is provided with the 3rd valve (7c), the indirect steam outlet conduit of quadruple effect separator (2d) is communicated with the heating clamber of five effect forced-circulation evaporators (4e), the indirect steam outlet of quadruple effect separator (2d) and the connecting pipe between the heating clamber of five effect forced-circulation evaporators (4e) are provided with the 4th valve (7d), the heating clamber of one effect falling film evaporator (1a) is communicated with saturated steam pipe, saturated steam pipe is provided with the 5th valve (7e).The thermal source entrance of one effect heater (3a) and two effect heaters (3b) is communicated with saturated steam pipe.
One, the on-condensible gas outlet of two, six effect heaters (3a, 3b, 3f) connects condenser (5).One, two, three, the on-condensible gas outlet conduits of the outlet of the on-condensible gas of quadruple effect falling film evaporator (1a, 1b, 1c, 1d) and five, six effect forced-circulation evaporators (4e, 4f) access condenser (5) after being communicated with.The condensation-water drain of condenser (5) connects described condensed water recovery pond.In order to promote sextuple-effect evaporation device of the present invention in the evaporation in each stage, the vacuum in condenser (5) is-0.088Mpa.
Meanwhile, the heating clamber of triple effect falling film evaporator (1c) is provided with saturated steam pipe branch road (6), and saturated steam pipe branch road (6) is provided with the tenth valve (7j).The indirect steam outlet of two effect separators (2b) is provided with two effect indirect steam branch roads (8), two effect indirect steam branch roads (8) connect the heating clamber that the 4th valve (7d) leads to five effect forced-circulation evaporators (4e), and two effect indirect steam branch roads (8) are provided with the 11 valve (7k).The indirect steam outlet of quadruple effect separator (2d) is provided with quadruple effect indirect steam branch road (14), the heating clamber of described quadruple effect indirect steam branch road (14) pipeline communication six effect forced-circulation evaporators (4f), quadruple effect indirect steam branch road (14) is provided with the 12 valve (7l).Two effect indirect steam branch roads (8) are communicated with quadruple effect indirect steam branch road (14).
With reference to the condensation-water drain, two of figure 4, one effect heaters (3a), imitate the thermal source entrance of the condensation-water drain of heaters (3b) and the condensation-water drain pipeline connection rear access triple effect heater (3c) of an effect falling film evaporator (1a).The thermal source entrance of access quadruple effect heater (3d) after two condensation-water drains of effect falling film evaporator (1b) and the condensation-water drain pipeline of triple effect falling film evaporator (1c) are communicated with.The condensation-water drain pipeline of quadruple effect falling film evaporator (1d) is communicated with the thermal source entrance of five effect heaters (3e).The indirect steam outlet conduit of five effect forced-circulation evaporators (4e) is communicated with the heating clamber of six effect forced-circulation evaporators (4f).The indirect steam outlet conduit of six effect forced-circulation evaporators (4f) is communicated with the thermal source entrance of six effect heaters (3f).Three, the thermal source outlet conduit of four, five effect heaters (3c, 3d, 3e) accesses a condensed water recovery pond after being communicated with.The condensation-water drain pipeline of six effect heaters (3f) is communicated with described condensed water recovery pond.The condensation-water drain of condenser (5) connects condensed water recovery pond.
Close the 6th valve (7f), open the 8th valve (7h), the discharging opening of an effect heater (3a) is connected separately the material liquid pipe branch road (9) of the charging aperture that leads to triple effect falling film evaporator (1c).Meanwhile, close the 5th valve (7e), open the tenth valve (7j), the heating clamber of triple effect falling film evaporator (1c) is connected separately saturated steam pipe branch road (6).So, one, two effect falling film evaporators (1a, 1b) are isolated inactive, and three, quadruple effect falling film evaporator (1c, 1d) continues operation.Now, can carry out maintenance overhaul or cleaning to one, two effect falling film evaporators (1a, 1b).
Close the first valve (7a), open the 7th valve (7g), the discharging opening of two effect falling film evaporators (1b) is connected separately the concentrate recovery tube branch road (10) that leads to concentrated liquid pool.Simultaneously, close the 3rd valve (7c), open the 11 valve (7k), two effect indirect steam branch roads (8) are connected separately in the indirect steam outlet of two effect separators (2b), the heating clamber of two effect indirect steam branch road (8) pipeline communication five effect forced-circulation evaporators (4e).So, three, quadruple effect falling film evaporator (1c, 1d) is isolated inactively, one, two effect falling film evaporators (1a, 1b) continue operation.Now, can be to three, quadruple effect falling film evaporator (1c, 1d) carries out maintenance overhaul or cleaning.
Close the second valve (7b), open the 9th valve (7i), the charging aperture of six effect forced-circulation evaporators (4f) is connected the concentrate material loading main line (11) that leads to concentrated liquid pool.Close the 4th valve (7d), open the 12 valve (7l), the indirect steam outlet of two effect indirect steam branch roads (8) and quadruple effect separator (2d) can select to connect separately the thermal source entrance of six effect heaters (4f).So, five effect forced-circulation evaporators (4e) are isolated inactive, and six effect forced-circulation evaporators (4f) continue operation.Now, can carry out maintenance overhaul to five effect forced-circulation evaporators (4e) and obtain cleaning.
In the present embodiment, a kind of sextuple-effect evaporation device of invention is processed a kind of industrial wastewater that contains sodium chloride and hydroxy acid sodium, and this industrial wastewater is just material liquid.Material liquid carries out preheating through six, five, four, three, two, one effect heater (3f, 3e, 3d, 3c, 3b, 3a) successively from raw material liquid pool, material liquid temperature after final preheating is about 95 ℃, the material liquid of 95 ℃ enters in one, two, three, four falling film evaporators (1a, 1b, 1c, 1d) again and carries out evaporation and concentration, and that indirect steam and part material liquid enter is corresponding one, two, three, gas-liquid separation in quadruple effect separator (2a, 2b, 2c, 2d).Wherein, an effect falling film evaporation temperature is 110 ℃, and an effect separation temperature is 104 ℃; Two effect falling film evaporation temperature are 100 ℃, and two effect separation temperatures are 92 ℃; Triple effect falling film evaporation temperature is 90 ℃, and triple effect separation temperature is 82 ℃; Quadruple effect falling film evaporation temperature is 80 ℃, and quadruple effect separation temperature is 72 ℃.Front quadruple effect can evaporate the most of moisture in material, and concentration reaches 30% left and right.
Concentrate after quadruple effect evaporation and concentration is pumped to that in five effect forced-circulation evaporators (4e), to carry out forced circulation heating evaporation concentrated, utilize the difference of sodium chloride and glycolic acid sodium content and solubility in concentrate, by sodium chloride evaporation and concentration to hypersaturated state crystallization, in five effect forced-circulation evaporators (4e), oversaturated solids mixing liquid enters in solids mixing liquid A pond and filters, solid after filtration is the sodium chloride that purity is higher, again the liquid after filtering is pumped into in six effect forced-circulation evaporators (4f), to carry out forced circulation heating evaporation concentrated, owing to containing impurity in waste water, for guaranteeing to steam the quality of hydroxy acid sodium and the service life of evaporation equipment, remaining concentrate need evaporate under alkali condition, concentrate enters before evaporimeter, if regulate pH and filter twice pretreatment process.In last six effect forced-circulation evaporators (4f), oversaturated solids mixing liquid enters in solids mixing liquid B pond.In these two processes, five effect falling film evaporation temperature are 70 ℃, and five effect separation temperatures are 62 ℃; Six effect falling film evaporation temperature are 60 ℃, and six effect separation temperatures are 50 ℃; In rear two effect forced circulation are evaporated, concentration can be risen to 39-40% left and right, make its most of soluble-salt crystallization.
Sextuple-effect evaporation device of the present invention can produce two kinds of condensed waters, and one is the raw steam condensing water producing after an effect heat exchange; The 2nd, the secondary steam condensed water that material produces after heating evaporation.The about 95-100 ℃ of condensed water that one effect heater (3a), two effect heaters (3b) and an effect falling film evaporator (1a) produce.By after above two kinds of condensed waters and material liquid heat exchange, temperature is down to 70-75 ℃, recyclablely to boiler room, re-uses; The about 70-75 of the mean temperature ℃ left and right of material liquid and the concentrate indirect steam condensed water two, three, in quadruple effect falling film evaporator (1b, 1c, 1d) and five, six effect forced-circulation evaporators (4e, 4f), after material liquid or concentrate heat exchange, make its temperature be down to 50-55 ℃, then reclaim, as process water.Reach making full use of of condensed water heat energy.
Indirect steam in six effect forced-circulation evaporators (4f), first the material in six effect heaters (3f) carries out heat exchange, utilize the material of 25 ℃ of left and right by a part of indirect steam condensation, the highest 10 ℃ of the temperature of charge that improve, incondensible indirect steam carrys out condensation by condenser (5) again.
Comprehensive above heat energy utilize mode, the steam consumption of this sextuple-effect evaporation device and evaporation capacity ratio are 0.20T/T, more conventional evaporimeter reduction steam consumption 10%.To design 107 tons of evaporation capacity, calculate, 23～35 tons of low-pressure steams of consumption per hour (not needing in line), produce 100～110 tons, water and replace running water for other workshop sections, produce 5～8 tons of salt, COMPREHENSIVE CALCULATING year on-road efficiency be ten thousand yuan of 2500-3000.
Obviously, those skilled in the art can carry out various changes and modification and not depart from the spirit and scope of the present invention the present invention.Like this, if within of the present invention these are revised and modification belongs to the scope of the claims in the present invention and equivalent technologies thereof, the present invention also comprises these changes and modification interior.
Claims (8)
1. a sextuple-effect evaporation device, is characterized in that, comprises an effect heater (3a), two effect heaters (3b), triple effect heater (3c), quadruple effect heater (3d), five effect heaters (3e), six effect heaters (3f); Corresponding, an effect falling film evaporator (1a), two effect falling film evaporators (1b), triple effect falling film evaporator (1c), quadruple effect falling film evaporator (1d), five effect forced-circulation evaporators (4e), six effect forced-circulation evaporators (4f); A corresponding effect separator (2a), two effect separators (2b), triple effect separator (2c), quadruple effect separator (2d); An and condenser (5);
The discharge opening pipeline of a described effect falling film evaporator (1a) is communicated with the charging aperture of two effect falling film evaporators (1b), the discharge opening pipeline of two effect falling film evaporators (1b) is communicated with the charging aperture of triple effect falling film evaporator (1c), on the pipeline connecting between the discharging opening of two effect falling film evaporators (1b) and the charging aperture of triple effect falling film evaporator (1c), be provided with the first valve (7a), the discharge opening pipeline of triple effect falling film evaporator (1c) is communicated with the charging aperture of quadruple effect falling film evaporator (1d), and the discharge opening pipeline of quadruple effect falling film evaporator (1d) is communicated with concentrated liquid pool; The charging aperture of described five effect forced-circulation evaporators (4e) is communicated with concentrated liquid pool by a concentrate material loading main line (11), and described concentrate material loading main line (11) is provided with the second valve (7b); The discharge opening pipeline of five effect forced-circulation evaporators (4e) is communicated with solids mixing liquid A pond; The charging aperture of six effect forced-circulation evaporators (4f) is communicated with solids mixing liquid A pond by a filtrate material loading pipeline (12), and the discharge opening pipeline of six effect forced-circulation evaporators (4f) is communicated with solids mixing liquid B pond;
The indirect steam outlet of described one, two, three, quadruple effect falling film evaporator (1a, 1b, 1c, 1d) respectively pipeline communication corresponding one, two, three, quadruple effect separator (2a, 2b, 2c, 2d), one, two, triple effect separator (2a, 2b, the outlet of indirect steam 2c) respectively pipeline communication corresponding two, three, quadruple effect falling film evaporator (1b, 1c, heating clamber 1d), connecting pipe between two effect separators (2b) and triple effect falling film evaporator (1c) is provided with the 3rd valve (7c), the indirect steam outlet conduit of quadruple effect separator (2d) is communicated with the heating clamber of five effect forced-circulation evaporators (4e), the indirect steam outlet of quadruple effect separator (2d) and the connecting pipe between the heating clamber of five effect forced-circulation evaporators (4e) are provided with the 4th valve (7d), the heating clamber of one effect falling film evaporator (1a) is communicated with saturated steam pipe, saturated steam pipe is provided with the 5th valve (7e),
The charging aperture (3f) of described six effect heaters is connected with raw material liquid pool, the discharge opening pipeline of six effect heaters (3f) is communicated with the charging aperture of five effect heaters (3e), the discharge opening pipeline of five effect heaters (3e) is communicated with the charging aperture of quadruple effect heater (3d), the discharge opening pipeline of quadruple effect heater (3d) is communicated with the charging aperture of triple effect heater (3c), the discharging opening of triple effect heater (3c) enters the charging aperture of two effect heaters (3b), the discharge opening pipeline of two effect heaters (3b) is communicated with the charging aperture of an effect heater (3a), the discharge opening pipeline of one effect heater (3a) is communicated with the charging aperture of an effect falling film evaporator (1a), connecting pipe between the charging aperture of the discharging opening of one effect heater (3a) and an effect falling film evaporator (1a) is provided with the 6th valve (7f),
The thermal source entrance of a described effect heater (3a) and two effect heaters (3b) is connected saturated steam pipe; The thermal source entrance of access triple effect heater (3c) after the condensation-water drain pipeline of the condensation-water drain of the condensation-water drain of one effect heater (3a), two effect heaters (3b) and an effect falling film evaporator (1a) is communicated with; The thermal source entrance of access quadruple effect heater (3d) after two condensation-water drains of effect falling film evaporator (1b) and the condensation-water drain pipeline of triple effect falling film evaporator (1c) are communicated with; The condensation-water drain pipeline of quadruple effect falling film evaporator (1d) is communicated with the thermal source entrance of five effect heaters (3e); The indirect steam outlet conduit of five effect forced-circulation evaporators (4e) is communicated with the heating clamber of six effect forced-circulation evaporators (4f); The indirect steam outlet conduit of six effect forced-circulation evaporators (4f) is communicated with the thermal source entrance of six effect heaters (3f); Three, the thermal source outlet conduit of four, five effect heaters (3c, 3d, 3e) accesses a condensed water recovery pond after being communicated with; The condensation-water drain pipeline of six effect heaters (3f) is communicated with described condensed water recovery pond;
The on-condensible gas outlet of described one, two, six effect heaters (3a, 3b, 3f) connects condenser (5); One, two, three, the on-condensible gas outlet conduits of the outlet of the on-condensible gas of quadruple effect falling film evaporator (1a, 1b, 1c, 1d) and five, six effect forced-circulation evaporators (4e, 4f) access condenser (5) after being communicated with; The condensation-water drain of condenser (5) connects described condensed water recovery pond.
2. a kind of sextuple-effect evaporation device as claimed in claim 1, it is characterized in that, the discharging opening of described two effect falling film evaporators (1b) is provided with the concentrate recovery tube branch road (10) that connects concentrated liquid pool, and described concentrate recovery tube branch road (10) is provided with the 7th valve (7g).
3. a kind of sextuple-effect evaporation device as claimed in claim 1, it is characterized in that, between the discharging opening of a described effect heater (3a) and the charging aperture of triple effect falling film evaporator (1c), be provided with material liquid pipe branch road (9), described material liquid pipe branch road (9) is provided with the 8th valve (7h).
4. a kind of sextuple-effect evaporation device as claimed in claim 1, it is characterized in that, the charging aperture of described six effect forced-circulation evaporators (4f) is provided with the concentrate material loading bye-pass (13) that connects concentrated liquid pool, and described concentrate material loading bye-pass (13) is provided with the 9th valve (7i).
5. a kind of sextuple-effect evaporation device as claimed in claim 1, is characterized in that, the heating clamber of described triple effect falling film evaporator (1c) is provided with saturated steam pipe branch road (6), and described saturated steam pipe branch road (6) is provided with the tenth valve (7j).
6. a kind of sextuple-effect evaporation device as claimed in claim 1, it is characterized in that, the indirect steam outlet of described two effect separators (2b) is provided with two effect indirect steam branch roads (8), described two effect indirect steam branch roads (8) connect the heating clamber that the 4th valve (7d) leads to five effect forced-circulation evaporators (4e), and two effect indirect steam branch roads (8) are provided with the 11 valve (7k).
7. a kind of sextuple-effect evaporation device as claimed in claim 1, it is characterized in that, the indirect steam outlet of described quadruple effect separator (2d) is provided with quadruple effect indirect steam branch road (14), the heating clamber of described quadruple effect indirect steam branch road (14) pipeline communication six effect forced-circulation evaporators (4f), quadruple effect indirect steam branch road (14) is provided with the 12 valve (7l).
8. as claim 6 or a kind of sextuple-effect evaporation device claimed in claim 7, it is characterized in that, described two effect indirect steam branch roads (8) are communicated with quadruple effect indirect steam branch road (14).
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| CN201310629697.4A CN103657122A (en) | 2013-11-28 | 2013-11-28 | Sextuple-effect evaporation device |
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| CN201310629697.4A CN103657122A (en) | 2013-11-28 | 2013-11-28 | Sextuple-effect evaporation device |
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| CN103657122A true CN103657122A (en) | 2014-03-26 |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104147803A (en) * | 2014-08-07 | 2014-11-19 | 四川兴晟锂业有限责任公司 | Tri-effect concentration and crystallization equipment and method of lithium hydroxide |
| CN104162285A (en) * | 2014-07-31 | 2014-11-26 | 河南中原黄金冶炼厂有限责任公司 | Multiple-effect alternate evaporation system |
| CN105217703A (en) * | 2015-11-05 | 2016-01-06 | 陕西省石油化工研究设计院 | A kind of sextuple-effect evaporation crystallization apparatus and technique thereof being applied to zero discharge of industrial waste water |
| CN105329918A (en) * | 2015-12-02 | 2016-02-17 | 中盐工程技术研究院有限公司 | Eleven-effect combined sodium and potassium preparation device |
| CN105381620A (en) * | 2015-11-12 | 2016-03-09 | 浙江星月药物科技股份有限公司 | Double-effect concentration device |
| CN107746146A (en) * | 2017-11-28 | 2018-03-02 | 北京合众思流体技术有限公司 | Handle high-salt wastewater skid-mounted unit, its evaporation and concentration structure and method of wastewater treatment |
| CN109432808A (en) * | 2018-12-26 | 2019-03-08 | 郑州博大浓缩干燥设备有限公司 | Energy-saving and environment-friendly DDGS waste heat vapo(u)rization system |
| CN111252832A (en) * | 2019-12-31 | 2020-06-09 | 宁夏佳立马铃薯产业有限公司 | Method and equipment for evaporating potato production wastewater |
| CN112807721A (en) * | 2020-12-21 | 2021-05-18 | 中国天辰工程有限公司 | Process method for extracting concentrated and light brine by adopting five-effect concurrent evaporation process |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104162285A (en) * | 2014-07-31 | 2014-11-26 | 河南中原黄金冶炼厂有限责任公司 | Multiple-effect alternate evaporation system |
| CN104147803A (en) * | 2014-08-07 | 2014-11-19 | 四川兴晟锂业有限责任公司 | Tri-effect concentration and crystallization equipment and method of lithium hydroxide |
| CN105217703A (en) * | 2015-11-05 | 2016-01-06 | 陕西省石油化工研究设计院 | A kind of sextuple-effect evaporation crystallization apparatus and technique thereof being applied to zero discharge of industrial waste water |
| CN105381620A (en) * | 2015-11-12 | 2016-03-09 | 浙江星月药物科技股份有限公司 | Double-effect concentration device |
| CN105381620B (en) * | 2015-11-12 | 2017-04-12 | 浙江星月药物科技股份有限公司 | Double-effect concentration device |
| CN105329918A (en) * | 2015-12-02 | 2016-02-17 | 中盐工程技术研究院有限公司 | Eleven-effect combined sodium and potassium preparation device |
| CN107746146A (en) * | 2017-11-28 | 2018-03-02 | 北京合众思流体技术有限公司 | Handle high-salt wastewater skid-mounted unit, its evaporation and concentration structure and method of wastewater treatment |
| CN109432808A (en) * | 2018-12-26 | 2019-03-08 | 郑州博大浓缩干燥设备有限公司 | Energy-saving and environment-friendly DDGS waste heat vapo(u)rization system |
| CN111252832A (en) * | 2019-12-31 | 2020-06-09 | 宁夏佳立马铃薯产业有限公司 | Method and equipment for evaporating potato production wastewater |
| CN112807721A (en) * | 2020-12-21 | 2021-05-18 | 中国天辰工程有限公司 | Process method for extracting concentrated and light brine by adopting five-effect concurrent evaporation process |
| CN113797567A (en) * | 2021-10-21 | 2021-12-17 | 楚天科技股份有限公司 | Continuous evaporation concentrator |
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