CN214612003U - Multiple-effect energy-saving concentrating complete equipment for dilute sulfuric acid - Google Patents
Multiple-effect energy-saving concentrating complete equipment for dilute sulfuric acid Download PDFInfo
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- CN214612003U CN214612003U CN202120466811.6U CN202120466811U CN214612003U CN 214612003 U CN214612003 U CN 214612003U CN 202120466811 U CN202120466811 U CN 202120466811U CN 214612003 U CN214612003 U CN 214612003U
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Abstract
The utility model discloses a complete sets is concentrated to energy-conserving concentration of dilute sulphuric acid multiple-effect, including pre-heater, multiple-effect evaporation composite set, cooler, tail gas condenser, vacuum buffer tank, finished acid jar, condensation water pitcher and vacuum unit. The utility model has reasonable design, adopts multi-effect concentration complete equipment with downstream flow, can concentrate dilute sulphuric acid to about 55 percent, improves the concentration effect of the dilute sulphuric acid, does not need to use a material transfer pump between each effect of evaporation equipment, saves investment, greatly reduces energy consumption and safe and environment-friendly risks, fully utilizes the heat value of raw steam condensate water, finished acid and secondary steam, and saves energy to the utmost extent; complete sets of equipment can be under the full-automatic program control of PLC safety and stability operation, and human-computer interface operates, and degree of automation is high, practices thrift the cost of labor greatly, and complete sets of equipment is rationally distributed, area is little, realizes the cost reduction increase of enterprise, and simultaneously corrosion resistance is high, long service life, maintenance cost are low, are fit for extensively promoting.
Description
Technical Field
The utility model relates to a dilute sulphuric acid concentrator, in particular to a dilute sulphuric acid multi-effect energy-saving concentration complete equipment, belonging to the technical field of dilute sulphuric acid concentration and purification application.
Background
In various chemical industries, such as metal pickling, precious metal smelting, chemical fiber, hazardous waste disposal and the like, sulfuric acid is used in many technological processes, such as nitration, sulfonation and other technological production processes; drying chlorine gas of chlor-alkali enterprises; various pickling processes; titanium dioxide production and the like. The used sulfuric acid is diluted and contains impurities, and cannot be directly utilized. The concentration, purification and reuse of the waste sulfuric acid are the most effective solutions. Therefore, the waste sulfuric acid is recycled, the numerous environmental problems are effectively solved, and the sulfuric acid resource is effectively recycled, so that the three-win effect of economic benefit, social benefit and environmental benefit is realized.
Along with the continuous improvement of the environmental protection requirement of China, the requirement of concentrating, evolving and recycling the waste sulfuric acid is more and more, but the traditional dilute sulfuric acid concentration equipment has poor concentration effect, and a material transfer pump is needed to be used between each effect of evaporation equipment, so that the investment cost is improved, the energy consumption and the safety and environmental protection risk are greatly increased, the energy consumption expenditure is more, and the operation is complex and is inconvenient to use. Therefore, aiming at the problems, a multi-effect energy-saving concentration complete device of dilute sulfuric acid is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems and provide a complete set of dilute sulfuric acid multi-effect energy-saving concentration equipment.
The utility model discloses a following technical scheme realizes above-mentioned purpose, and the concentrated complete sets of energy-conserving concentration of rare sulphuric acid multiple-effect, including pre-heater, the sour primary cooler of finished product and vacuum unit, the sour primary cooler of finished product communicates with the pre-heater, the pre-heater communicates with multiple-effect evaporation composite set, multiple-effect evaporation composite set communicates with the sour primary cooler of finished product, sour primary cooler of finished product communicates with sour secondary cooler of finished product, sour secondary cooler of finished product communicates with the sour jar of finished product;
the multi-effect evaporation combination device is communicated with a tail gas condenser, the tail gas condenser is respectively communicated with a condensation water tank and a vacuum buffer tank, and the vacuum buffer tank is communicated with a vacuum unit.
Preferably, the multi-effect evaporation combination device consists of a first-effect heater, a first-effect evaporation chamber, a second-effect heater, a second-effect evaporation chamber, a third-effect heater and a third-effect evaporation chamber, wherein the preheater is respectively communicated with the first-effect heater and the first-effect evaporation chamber, the first-effect heater is communicated with the first-effect evaporation chamber, the first-effect evaporation chamber is respectively communicated with the second-effect heater and the second-effect evaporation chamber, the second-effect heater is respectively communicated with a water condensation tank and the second-effect evaporation chamber, the second-effect evaporation chamber is respectively communicated with the third-effect heater and the third-effect evaporation chamber, the third-effect heater is respectively communicated with the water condensation tank and the third-effect evaporation chamber, and the third-effect evaporation chamber is respectively communicated with a tail gas condenser and a finished acid primary cooler;
preferably, the multi-effect evaporation combination device consists of a first-effect heater, a first-effect evaporation chamber, a second-effect heater and a second-effect evaporation chamber, wherein the preheater is respectively communicated with the first-effect heater and the first-effect evaporation chamber, the first-effect heater is communicated with the first-effect evaporation chamber, the first-effect evaporation chamber is respectively communicated with the second-effect heater and the second-effect evaporation chamber, the second-effect heater is respectively communicated with a condensation water tank and the second-effect evaporation chamber, and the second-effect evaporation chamber is respectively communicated with a tail gas condenser and a finished acid primary cooler;
preferably, the finished acid primary cooler is fixedly connected with one end of a dilute sulfuric acid feeding pump through a pipeline;
preferably, the condensed water tank is fixedly connected with one end of the first delivery pump through a pipeline;
preferably, the finished acid tank is fixedly connected with one end of a second delivery pump through a pipeline;
preferably, the preheater, the first-effect heater, the second-effect heater, the third-effect heater, the finished acid first-stage cooler, the finished acid second-stage cooler and the tail gas condenser are all made of graphite, and the first-effect evaporation chamber, the second-effect evaporation chamber, the third-effect evaporation chamber, the vacuum buffer tank, the finished acid tank and the condensed water tank are all made of anti-corrosion equipment.
Preferably, the preheater, the first-effect heater, the second-effect heater, the finished acid first-stage cooler, the finished acid second-stage cooler and the tail gas condenser are all made of graphite, and the first-effect evaporation chamber, the second-effect evaporation chamber, the vacuum buffer tank, the finished acid tank and the condensed water tank are all made of corrosion-resistant equipment.
The utility model has the advantages that:
1. the multiple-effect energy-saving concentration complete equipment for the dilute sulfuric acid is reasonable in design, the direct-flow multiple-effect concentration complete equipment is adopted, the dilute sulfuric acid can be concentrated to about 55%, the concentration effect of the dilute sulfuric acid is improved, a material transfer pump between evaporation equipment is not needed, investment is saved, energy consumption and safety and environmental protection risks are greatly reduced, automatic material transfer between evaporation equipment is realized, the heat values of raw steam condensate water, finished acid and secondary steam can be fully utilized, and energy is saved to the maximum extent.
2. The multiple-effect energy-saving concentration complete equipment for dilute sulfuric acid is reasonable in design, the complete equipment can run safely and stably under the full-automatic program control of a PLC, a human-computer interface is used for operation, the automation degree is high, the labor cost is greatly saved, the complete equipment is reasonable in layout and small in occupied area, cost reduction and efficiency improvement of enterprises are achieved, and meanwhile, the corrosion resistance is high, the service life is long, and the maintenance cost is low.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.
Fig. 1 is a schematic view of an overall structure of an embodiment of the present invention;
fig. 2 is a schematic view of an overall structure of an embodiment of the present invention.
In the figure: 1. the system comprises a preheater, 2, a first-effect heater, 3, a first-effect evaporation chamber, 4, a second-effect heater, 5, a second-effect evaporation chamber, 6, a third-effect heater, 7, a third-effect evaporation chamber, 8, a finished acid first-stage cooler, 9, a finished acid second-stage cooler, 10, a tail gas condenser, 11, a vacuum buffer tank, 12, a finished acid tank, 13, a condensed water tank, 14 and a vacuum unit.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
The first embodiment is as follows:
referring to fig. 1, the multiple-effect energy-saving concentration complete equipment for dilute sulfuric acid comprises a preheater 1, a finished acid primary cooler 8 and a vacuum unit 14, wherein the finished acid primary cooler 8 is communicated with the preheater 1 to preliminarily preheat raw material acid, the preheater 1 is communicated with a multiple-effect evaporation combined device, multiple-effect, downstream and other energy-saving evaporation processes are scientifically adopted, dilute sulfuric acid can be concentrated to about 55%, energy consumption can be saved by more than 50%, the multiple-effect evaporation combined device is communicated with the finished acid primary cooler 8, the finished acid primary cooler 8 is communicated with a finished acid secondary cooler 9, the finished acid secondary cooler 9 is communicated with a finished acid tank 12, and the concentrated finished sulfuric acid flows into the finished acid tank 12 to be stored after being cooled in two stages;
multiple-effect evaporation composite set and tail gas condenser 10 intercommunication, tail gas condenser 10 communicates with condensate water tank 13 and vacuum buffer tank 11 respectively, vacuum buffer tank 11 and vacuum unit 14 intercommunication collect the comdenstion water in condensate water tank 13, and tail gas condenser 10 bottom vapour and liquid separator's gas phase mouth inserts vacuum buffer tank 11 and carries out gas-liquid separation, and the gas phase mouth after the separation inserts vacuum unit 14, make full use of the calorific value of raw steam comdenstion water, finished product acid and secondary steam, make furthest's energy-conservation.
The multi-effect evaporation combination device comprises a first-effect heater 2, a first-effect evaporation chamber 3, a second-effect heater 4, a second-effect evaporation chamber 5, a third-effect heater 6 and a third-effect evaporation chamber 7, wherein the preheater 1 is respectively communicated with the first-effect heater 2 and the first-effect evaporation chamber 3, the first-effect heater 2 is communicated with the first-effect evaporation chamber 3, the first-effect evaporation chamber 3 is respectively communicated with the second-effect heater 4 and the second-effect evaporation chamber 5, the second-effect heater 4 is respectively communicated with a condensation water tank 13 and the second-effect evaporation chamber 5, the second-effect evaporation chamber 5 is respectively communicated with the third-effect heater 6 and the third-effect evaporation chamber 7, the third-effect heater 6 is respectively communicated with the condensation water tank 13 and the third-effect evaporation chamber 7, and the third-effect evaporation chamber 7 is respectively communicated with a tail gas condenser 10 and a finished acid primary cooler 8, so as to achieve the effect of third-effect concentration; the finished acid primary cooler 8 is fixedly connected with one end of a dilute sulfuric acid feeding pump through a pipeline, raw material dilute sulfuric acid is conveyed to the finished acid primary cooler 8 to perform primary heat exchange with the finished sulfuric acid, so that the feeding temperature of the raw material acid is increased, and the discharging temperature of the finished acid is reduced; the condensed water tank 13 is fixedly connected with one end of the first conveying pump through a pipeline, so that condensed water can conveniently go out; the finished product acid tank 12 is fixedly connected with one end of a second delivery pump through a pipeline, so that finished product sulfuric acid can be conveniently removed outside; the utility model discloses a graphite system equipment, including preheater 1, one imitate heater 2, two imitate heater 4, three imitate heater 6, the sour first grade cooler of finished product 8, the sour second grade cooler of finished product 9 and tail gas condenser 10 all adopt graphite system equipment, one imitate evaporating chamber 3, two imitate evaporating chamber 5, three imitate evaporating chamber 7, vacuum buffer tank 11, finished product acid tank 12 and condensation water pitcher 13 all adopt anticorrosive equipment, convenient to use has improved the life of equipment.
When the utility model is used, firstly, the electrical components in the device are all externally connected with a control switch and a power supply, the raw material dilute sulfuric acid is firstly conveyed to the finished product acid primary cooler 8 by a feed pump to perform preliminary heat exchange with the finished product sulfuric acid, on one hand, the feed temperature of the raw material acid is improved, on the other hand, the discharge temperature of the finished product acid is reduced, then the raw material acid is preliminarily preheated by the finished product acid primary cooler 8 and then flows into the steam condensate heat exchange of the shell pass of the preheater 1 and the primary heater 2, and secondary preheating is performed; the dilute sulfuric acid preheated by two stages sequentially flows into a multi-effect evaporation combination device consisting of a first-effect evaporation chamber 3, a first-effect heater 2, a second-effect evaporation chamber 5, a second-effect heater 4, a third-effect evaporation chamber 7 and a third-effect heater 6 to be evaporated and concentrated, a downstream effect is achieved, a material transfer pump between the effect evaporation devices is not needed, investment is saved, energy consumption and safety and environmental protection risks are greatly reduced, self-flowing material transfer between the effect evaporation devices is realized, the concentrated finished sulfuric acid flows into a finished acid first-stage cooler 8 and a finished acid second-stage cooler 9 to be cooled for two stages and then flows into a finished acid tank 12 to be stored, the dilute sulfuric acid can be concentrated to about 55 percent, and energy consumption can be saved by more than 50 percent,
the shell pass of the primary heater 2 is connected with raw steam to heat sulfuric acid in the primary evaporation chamber 3, secondary steam generated by evaporation is connected with the shell pass of the secondary heater 4 to heat sulfuric acid in the secondary evaporation chamber 5, the secondary steam generated by evaporation is connected with the shell pass of the tertiary heater 6 to heat sulfuric acid in the tertiary evaporation chamber 7, the secondary steam generated by evaporation is connected with the tail gas condenser 10 to be condensed into condensed water and then flows into the condensed water tank 13 together with shell pass condensed water of the secondary heater 4 and the tertiary heater 6 to be collected, the gas phase port of the gas-liquid separator at the bottom of the tail gas condenser 10 is connected with the vacuum buffer tank 11 to carry out gas-liquid separation, the separated gas phase port is connected with the vacuum unit 14, the heat values of the raw steam condensed water, the finished acid and the secondary steam are fully utilized, the energy conservation is maximally achieved, the whole set of equipment is reasonable in layout, the floor area is small, the capital cost is greatly reduced, and the steam-condensation boiler is simple and practical, Mature technology, simple and convenient operation, easy learning and understanding,
the preheater 1, the first-effect heater 2, the second-effect heater 4, the third-effect heater 6, the finished acid first-stage cooler 8, the finished acid second-stage cooler 9 and the tail gas condenser 10 are all made of graphite equipment, the first-effect evaporation chamber 3, the second-effect evaporation chamber 5, the third-effect evaporation chamber 7, the vacuum buffer tank 11, the finished acid tank 12 and the condensed water tank 13 are all made of enamel, glass fiber reinforced plastic, polypropylene and other anti-corrosion equipment, so that the effects of high anti-corrosion performance, long service life, low maintenance cost and the like of the whole set of equipment are achieved on the premise of achieving the treatment purpose, and the whole set of equipment cannot generate any secondary pollution such as acid mist and the like in the operation process, and is environment-friendly, safe, stable, efficient and reliable.
Example two:
referring to fig. 2, the multiple-effect energy-saving concentration complete equipment for dilute sulfuric acid comprises a preheater 1, a finished acid primary cooler 8 and a vacuum unit 14, wherein the finished acid primary cooler 8 is communicated with the preheater 1 to preliminarily preheat raw material acid, the preheater 1 is communicated with a multiple-effect evaporation combined device, multiple-effect, downstream and other energy-saving evaporation processes are scientifically adopted, dilute sulfuric acid can be concentrated to about 55%, energy consumption can be saved by more than 50%, the multiple-effect evaporation combined device is communicated with the finished acid primary cooler 8, the finished acid primary cooler 8 is communicated with a finished acid secondary cooler 9, the finished acid secondary cooler 9 is communicated with a finished acid tank 12, and the concentrated finished sulfuric acid flows into the finished acid tank 12 to be stored after being cooled in two stages;
multiple-effect evaporation composite set and tail gas condenser 10 intercommunication, tail gas condenser 10 communicates with condensate water tank 13 and vacuum buffer tank 11 respectively, vacuum buffer tank 11 and vacuum unit 14 intercommunication collect the comdenstion water in condensate water tank 13, and tail gas condenser 10 bottom vapour and liquid separator's gas phase mouth inserts vacuum buffer tank 11 and carries out gas-liquid separation, and the gas phase mouth after the separation inserts vacuum unit 14, make full use of the calorific value of raw steam comdenstion water, finished product acid and secondary steam, make furthest's energy-conservation.
The multi-effect evaporation combination device is composed of a first-effect heater 2, a first-effect evaporation chamber 3, a second-effect heater 4 and a second-effect evaporation chamber 5, the preheater 1 is respectively communicated with the first-effect heater 2 and the first-effect evaporation chamber 3, the first-effect heater 2 is communicated with the first-effect evaporation chamber 3, the first-effect evaporation chamber 3 is respectively communicated with the second-effect heater 4 and the second-effect evaporation chamber 5, the second-effect heater 4 is respectively communicated with a condensate water tank 13 and the second-effect evaporation chamber 5, and the second-effect evaporation chamber 5 is respectively communicated with a tail gas condenser 10 and a finished acid primary cooler 8, so that the effect of second-effect concentration is achieved; the finished acid primary cooler 8 is fixedly connected with one end of a dilute sulfuric acid feeding pump through a pipeline, raw material dilute sulfuric acid is conveyed to the finished acid primary cooler 8 to perform primary heat exchange with the finished sulfuric acid, so that the feeding temperature of the raw material acid is increased, and the discharging temperature of the finished acid is reduced; the condensed water tank 13 is fixedly connected with one end of the first conveying pump through a pipeline, so that condensed water can conveniently go out; the finished product acid tank 12 is fixedly connected with one end of a second delivery pump through a pipeline, so that finished product sulfuric acid can be conveniently removed outside; the utility model discloses a graphite system equipment is all adopted to pre-heater 1, one imitate heater 2, two imitate heater 4, sour first grade cooler 8 of finished product, sour second grade cooler 9 of finished product and tail gas condenser 10, one imitate evaporating chamber 3, two imitate evaporating chamber 5, vacuum buffer tank 11, finished product acid tank 12 and condensation water pitcher 13 and all adopt anticorrosive equipment, convenient to use has improved the life of equipment.
When the utility model is used, firstly, the electrical components in the device are all externally connected with a control switch and a power supply, the raw material dilute sulfuric acid is firstly conveyed to the finished product acid primary cooler 8 by a feed pump to perform preliminary heat exchange with the finished product sulfuric acid, on one hand, the feed temperature of the raw material acid is improved, on the other hand, the discharge temperature of the finished product acid is reduced, then the raw material acid is preliminarily preheated by the finished product acid primary cooler 8 and then flows into the steam condensate heat exchange of the shell pass of the preheater 1 and the primary heater 2, and secondary preheating is performed; the dilute sulfuric acid preheated by two stages sequentially flows into a multi-effect evaporation combination device consisting of a first-effect evaporation chamber 3, a first-effect heater 2, a second-effect evaporation chamber 5 and a second-effect heater 4 for evaporation concentration, the downstream effect is achieved, a material transfer pump between each effect evaporation device is not needed, the investment is saved, the energy consumption and the safety and environmental protection risks are greatly reduced, the material is automatically transferred between each effect evaporation device, the concentrated finished sulfuric acid automatically flows to a finished acid first-stage cooler 8 and a finished acid second-stage cooler 9 for two-stage cooling and then flows into a finished acid tank 12 for storage, the dilute sulfuric acid can be concentrated to about 55 percent, the energy consumption can be saved by more than 50 percent,
the shell pass of the first-effect heater 2 is connected with raw steam to heat sulfuric acid in the first-effect evaporation chamber 3, secondary steam generated by evaporation is connected with the shell pass of the second-effect heater 4 to heat sulfuric acid in the second-effect evaporation chamber 5, the secondary steam generated by evaporation is connected with the tail gas condenser 10 to be condensed into condensate water and then flows into the condensate water tank 13 together with shell pass condensate water of the second-effect heater 4 to be collected, a gas phase port of a gas-liquid separator at the bottom of the tail gas condenser 10 is connected with the vacuum buffer tank 11 to carry out gas-liquid separation, and a separated gas phase port is connected with the vacuum unit 14, so that the heat values of the raw steam condensate water, finished acid and the secondary steam are fully utilized, the energy is saved to the maximum extent, the whole set of equipment is reasonable in layout, the occupied area is small, the infrastructure cost is greatly reduced, and the method is simple and practical, mature in technology, simple and convenient to operate and easy to learn and understand,
and the preheater 1, the first-effect heater 2, the second-effect heater 4, the finished acid first-stage cooler 8, the finished acid second-stage cooler 9 and the tail gas condenser 10 are all made of graphite equipment, the first-effect evaporation chamber 3, the second-effect evaporation chamber 5, the vacuum buffer tank 11, the finished acid tank 12 and the condensed water tank 13 are all made of enamel, glass fiber reinforced plastic, polypropylene and other anti-corrosion equipment, so that the effects of high anti-corrosion performance, long service life, low maintenance cost and the like of the whole set of equipment are realized on the premise of achieving the treatment purpose, and the whole set of equipment cannot generate any secondary pollution such as acid mist and the like in the operation process, and is environment-friendly, safe, stable, efficient and reliable.
It is well within the skill of those in the art to implement and protect the present invention without undue experimentation and without undue experimentation that the present invention is directed to software and process improvements.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (8)
1. The dilute sulfuric acid multi-effect energy-saving concentration complete equipment is characterized in that: the system comprises a preheater (1), a finished acid primary cooler (8) and a vacuum unit (14), wherein the finished acid primary cooler (8) is communicated with the preheater (1), the preheater (1) is communicated with a multi-effect evaporation combination device, the multi-effect evaporation combination device is communicated with the finished acid primary cooler (8), the finished acid primary cooler (8) is communicated with a finished acid secondary cooler (9), and the finished acid secondary cooler (9) is communicated with a finished acid tank (12);
the multi-effect evaporation combination device is communicated with a tail gas condenser (10), the tail gas condenser (10) is communicated with a condensation water tank (13) and a vacuum buffer tank (11) respectively, and the vacuum buffer tank (11) is communicated with a vacuum unit (14).
2. The multiple-effect energy-saving concentration complete equipment of dilute sulfuric acid as claimed in claim 1, which is characterized in that: the multi-effect evaporation combination device consists of a first-effect heater (2), a first-effect evaporation chamber (3), a second-effect heater (4), a second-effect evaporation chamber (5), a third-effect heater (6) and a third-effect evaporation chamber (7), the preheater (1) is respectively communicated with the primary effect heater (2) and the primary effect evaporation chamber (3), the primary-effect heater (2) is communicated with the primary-effect evaporation chamber (3), the primary-effect evaporation chamber (3) is respectively communicated with the secondary-effect heater (4) and the secondary-effect evaporation chamber (5), the double-effect heater (4) is respectively communicated with the condensed water tank (13) and the double-effect evaporation chamber (5), the two-effect evaporation chamber (5) is respectively communicated with the three-effect heater (6) and the three-effect evaporation chamber (7), the triple-effect heater (6) is respectively communicated with the condensed water tank (13) and the triple-effect evaporation chamber (7), the triple-effect evaporation chamber (7) is respectively communicated with a tail gas condenser (10) and a finished acid primary cooler (8).
3. The multiple-effect energy-saving concentration complete equipment of dilute sulfuric acid as claimed in claim 1, which is characterized in that: the multi-effect evaporation combination device is composed of an effect heater (2), an effect evaporation chamber (3), a double-effect heater (4) and a double-effect evaporation chamber (5), a preheater (1) is communicated with the effect heater (2) and the effect evaporation chamber (3) respectively, the effect heater (2) is communicated with the effect evaporation chamber (3), the effect evaporation chamber (3) is communicated with the double-effect heater (4) and the double-effect evaporation chamber (5) respectively, the double-effect heater (4) is communicated with a condensation water tank (13) and the double-effect evaporation chamber (5) respectively, and the double-effect evaporation chamber (5) is communicated with a tail gas condenser (10) and a finished acid primary cooler (8) respectively.
4. The multiple-effect energy-saving concentration complete equipment of dilute sulfuric acid as claimed in claim 1, which is characterized in that: the finished acid primary cooler (8) is fixedly connected with one end of a dilute sulfuric acid feeding pump through a pipeline.
5. The multiple-effect energy-saving concentration complete equipment of dilute sulfuric acid as claimed in claim 1, which is characterized in that: and the condensed water tank (13) is fixedly connected with one end of the first delivery pump through a pipeline.
6. The multiple-effect energy-saving concentration complete equipment of dilute sulfuric acid as claimed in claim 1, which is characterized in that: the finished acid tank (12) is fixedly connected with one end of the second delivery pump through a pipeline.
7. The multiple-effect energy-saving concentration complete equipment of dilute sulfuric acid as claimed in claim 2, characterized in that: the system is characterized in that the preheater (1), the first-effect heater (2), the second-effect heater (4), the third-effect heater (6), the finished acid first-stage cooler (8), the finished acid second-stage cooler (9) and the tail gas condenser (10) are all graphite equipment, and the first-effect evaporation chamber (3), the second-effect evaporation chamber (5), the third-effect evaporation chamber (7), the vacuum buffer tank (11), the finished acid tank (12) and the condensed water tank (13) are all corrosion-resistant equipment.
8. The multiple-effect energy-saving concentration complete equipment of dilute sulfuric acid as claimed in claim 3, characterized in that: the device comprises a preheater (1), a first-effect heater (2), a second-effect heater (4), a finished acid first-stage cooler (8), a finished acid second-stage cooler (9) and a tail gas condenser (10), wherein graphite equipment is adopted, and anticorrosion equipment is adopted for the first-effect evaporation chamber (3), the second-effect evaporation chamber (5), a vacuum buffer tank (11), a finished acid tank (12) and a condensation water tank (13).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120466811.6U CN214612003U (en) | 2021-03-03 | 2021-03-03 | Multiple-effect energy-saving concentrating complete equipment for dilute sulfuric acid |
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| CN202120466811.6U CN214612003U (en) | 2021-03-03 | 2021-03-03 | Multiple-effect energy-saving concentrating complete equipment for dilute sulfuric acid |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114558335A (en) * | 2022-03-17 | 2022-05-31 | 盛隆资源再生（无锡）有限公司 | Sulfuric acid concentration system device and concentration method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114558335A (en) * | 2022-03-17 | 2022-05-31 | 盛隆资源再生（无锡）有限公司 | Sulfuric acid concentration system device and concentration method |
| CN114558335B (en) * | 2022-03-17 | 2024-03-12 | 盛隆资源再生（无锡）有限公司 | Sulfuric acid concentration system device and concentration method |
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