CN215855121U - Complete equipment for recovering sulfuric acid - Google Patents
Complete equipment for recovering sulfuric acid Download PDFInfo
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- CN215855121U CN215855121U CN202122436861.2U CN202122436861U CN215855121U CN 215855121 U CN215855121 U CN 215855121U CN 202122436861 U CN202122436861 U CN 202122436861U CN 215855121 U CN215855121 U CN 215855121U
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Abstract
The utility model relates to a complete set of sulfuric acid recovery equipment. The apparatus comprises: the device comprises a centrifugal mechanism, a purification mechanism, a concentration mechanism, a dilution mechanism and a cooling mechanism; the centrifugal mechanism comprises a waste liquid inlet pipe and a filtrate outlet pipe, and the waste liquid inlet pipe is provided with a first control valve; the purification structure comprises a first purification tank and a second purification tank; the concentration mechanism comprises a heat exchanger, a circulating concentration tower and a draught fan; the diluting structure comprises a diluting groove and a diluting liquid pipe for discharging diluting liquid, and the diluting groove comprises a diluting part and a converging part; the dilution liquid pipe is communicated with the dilution part, and the convergence part is provided with a sulfuric acid drainage pipe; the cooling mechanism includes a cooling tank and a discharge pipe. According to the scheme provided by the utility model, sulfuric acid in the waste liquid can be recycled at one time, and the sulfuric acid can be diluted to the sulfuric acid with the target concentration according to requirements, so that the sulfuric acid can be recycled integrally, the recovery efficiency of the sulfuric acid is improved, and the recovery cost is reduced.
Description
Technical Field
The utility model relates to the technical field of concentrated sulfuric acid recovery, in particular to complete sulfuric acid recovery equipment.
Background
Waste sulfuric acid is often produced in the production and manufacturing process of batteries, and the common method is to pour the waste sulfuric acid into a sewage treatment center for treatment, so that the waste sulfuric acid is not recycled, the environment is easily polluted while resource waste is caused, and the healthy life of human beings and animals is influenced. With the progress of scientific technology, the technology of sulfuric acid recovery is more and more mature, and the sulfuric acid recovery equipment is widely applied and popularized, so that a large amount of sulfuric acid recovery equipment exists in various manufacturing industries at present.
At present, for sulfuric acid, which is a strong mineral acid with high corrosiveness, the sulfuric acid is usually required to be centrifuged, diluted and recovered when being recovered, and finally, the sulfuric acid is put into use again; the existing recovery process of the battery waste liquid (containing sulfuric acid) falls behind, the recovery equipment is old, and the sulfuric acid can be successfully recovered and applied only by using various different types of equipment for recovering the sulfuric acid; by applying the sulfuric acid recovery equipment, the recovery cost of an enterprise can be increased, the recovery efficiency is reduced, and the enterprise is unwilling to recover sulfuric acid and directly purchases new sulfuric acid; the waste liquid is directly poured into a sewage treatment plant to destroy the natural environment.
Therefore, a device capable of integrally recovering sulfuric acid needs to be designed to solve the defects of more recovery processes, high cost and low efficiency of the recovery equipment.
SUMMERY OF THE UTILITY MODEL
In order to overcome the problems in the related art, the utility model provides a sulfuric acid recovery complete plant which can integrally separate, precipitate, concentrate, dilute and cool sulfuric acid in waste liquid, and finally recover the sulfuric acid to be applied in industry again at standard sulfuric acid concentration.
In order to achieve the purpose, the utility model mainly adopts the following technical scheme that the complete sulfuric acid recovery equipment comprises:
the device comprises a centrifugal mechanism, a purification mechanism, a concentration mechanism, a dilution mechanism and a cooling mechanism; the centrifugal mechanism comprises a waste liquid inlet pipe and a filtrate outlet pipe, and the waste liquid inlet pipe is provided with a first control valve; the purification structure comprises a first purification tank and a second purification tank, wherein the filtrate outlet pipe is communicated with the first purification tank, the first purification tank is communicated with the second purification tank through a guide pipe, and the height of the guide pipe is equal to one-half of the depth of the first purification tank; the first purifying tank comprises an outflow pipe which is arranged at the bottom of the first purifying tank; the concentration mechanism comprises a heat exchanger, a circulating concentration tower and a draught fan; the circulating concentration tower is provided with a heating pipe and an atomizing absorption pipe, one end of the heating pipe is communicated with the outflow pipe, and a second control valve is arranged at the communication position of the heating pipe and the outflow pipe; the atomization absorption pipe is communicated with the other end of the heating pipe, the induced draft fan is arranged at the port of the other end of the atomization absorption pipe, and the heat exchanger is close to one side of the atomization absorption pipe and absorbs the heat of the atomization absorption pipe; the diluting structure comprises a diluting groove and a diluting liquid pipe for discharging diluting liquid, wherein the diluting groove comprises a diluting part and a converging part, and the converging part is funnel-shaped; the dilution liquid pipe is communicated with the dilution part, and the convergence part is provided with a sulfuric acid drainage pipe; the cooling mechanism comprises a cooling tank and a discharge pipe, the sulfuric acid drainage pipe is communicated with the cooling tank, and a third control valve is arranged at a port of the discharge pipe.
Further, still including sulphuric acid storage device, this sulphuric acid storage device is equipped with the sulphuric acid bottle and the shunt tubes that are used for accomodating sulphuric acid including placing the board on should placing the board, this shunt tubes one end and this sulphuric acid drainage tube intercommunication, the other end and this sulphuric acid bottle intercommunication.
Further, still include the waste liquid storage box, the bottom of this waste liquid storage box is equipped with four at least movable pulley, and wherein this waste liquid storage box is used for depositing the residue of sulphuric acid waste liquid.
Further, the purification structure also comprises a first cooler, wherein the first cooler is arranged at the bottom of the first purification tank and the second purification tank; wherein, a layer of protective plate is arranged between the first cooler and the first purifying tank and between the first cooler and the second purifying tank.
Furthermore, at least two isolation plates are arranged in the first purifying tank, and the isolation plates are vertical to the bottom surface of the first purifying tank; and the height of the isolation plate is less than the depth of the first purification tank.
Furthermore, the cooling mechanism also comprises a base for placing the convergence part; this base is equipped with the second cooler and places the recess, should place the recess and should assemble the portion adaptation, and this second cooler is located the bottom of this base.
Furthermore, the diluting structure also comprises a diluting pipe for flowing water, the diluting pipe is communicated with the diluting tank, and a connecting port of the diluting pipe is positioned at the top end of the diluting tank; the dilution pipe is provided with a fourth control valve.
Further, the first cooler is a shell and tube cooler.
Further, the second cooler is a plate cooler.
The technical scheme provided by the utility model can have the following beneficial effects:
in this example, the waste liquid enters the centrifugal mechanism through the waste liquid inlet pipe, the separated sulfuric acid flows into the first purifying tank of the purifying structure, flows into the second purifying tank to be precipitated again after being precipitated by the first purifying tank, and quickly precipitates impurities in the sulfuric acid after absorbing heat by the coolers arranged below the first purifying tank and the second purifying tank; after secondary precipitation, sulfuric acid flows through a concentration mechanism, heating is carried out by a heating pipe in a circulating concentration tower to enable water and sulfuric acid in the sulfuric acid to be changed into atomized water, the atomized water is treated by a heat exchanger and a draught fan to remove water, the sulfuric acid in the atomized water is liquefied by the circulating concentration tower and then flows into a dilution structure along with the sulfuric acid in the circulating concentration tower, the sulfuric acid is diluted by a dilution tank in the dilution structure and then flows into a cooling tank in a cooling mechanism, and the sulfuric acid is cooled to normal temperature and then is applied to work again; this sulphuric acid recovery complete sets can once only with sulphuric acid recycle in the waste liquid to can dilute sulphuric acid to the sulphuric acid of target concentration as required, realize improving the recovery efficiency of sulphuric acid to the recycle of integral type with sulphuric acid, reduce recovery cost.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the utility model, as claimed.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent by describing in more detail exemplary embodiments thereof with reference to the attached drawings, in which like reference numerals generally represent like parts throughout.
FIG. 1 is a schematic diagram of a sulfuric acid recovery plant according to an embodiment of the present invention;
FIG. 2 is another schematic diagram of the sulfuric acid recovery plant according to the embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly and completely apparent, the technical solutions in the embodiments of the present invention will be described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments obtained by a person skilled in the art without making any inventive step are within the scope of the present invention. Preferred embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While the preferred embodiments of the present invention are shown in the drawings, it should be understood that the present invention may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the utility model to those skilled in the art.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used in this specification and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.
It is to be understood that, although the terms first, second, third, etc. may be used herein to describe various information, such information should not be limited by these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the present invention. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
For the strong mineral acid with high corrosivity, the sulfuric acid is usually required to be centrifuged, diluted and recovered when being recovered, and finally, the mineral acid is put into use again; the existing recovery process of the battery waste liquid (containing sulfuric acid) falls behind, the recovery equipment is old, and the sulfuric acid can be successfully recovered and applied only by using various different types of equipment for recovering the sulfuric acid; by applying the sulfuric acid recovery equipment, the recovery cost of an enterprise can be increased, the recovery efficiency is reduced, and the enterprise is unwilling to recover sulfuric acid and directly purchases new sulfuric acid; the waste liquid is directly poured into a sewage treatment plant to destroy the natural environment.
In view of the above problems, embodiments of the present invention provide a sulfuric acid recovery plant, which is capable of integrally separating, precipitating, concentrating, diluting and cooling sulfuric acid in waste liquid, and finally recovering sulfuric acid from the waste liquid to industrial use at a standard sulfuric acid concentration.
The following describes a technical solution of an embodiment (embodiment one) of the present invention in detail with reference to the accompanying drawings.
FIG. 1 is a schematic diagram of a sulfuric acid recovery plant according to an embodiment of the present invention; FIG. 2 is another schematic diagram of the sulfuric acid recovery plant according to the embodiment of the present invention.
Referring to fig. 1 and 2, a sulfuric acid recovery plant includes:
a centrifugal mechanism 10, a purification structure 20, a concentration mechanism 30, a dilution structure 40 and a cooling mechanism 50; the centrifugal mechanism 10 comprises a waste liquid inlet pipe 11 and a filtrate outlet pipe 12, and the waste liquid inlet pipe 11 is provided with a first control valve a; the purification structure 20 comprises a first purification tank 21 and a second purification tank 22, the filtrate outlet pipe 12 is communicated with the first purification tank 21, the first purification tank 21 is communicated with the second purification tank 22 through a pipe A, and the pipe A is arranged at a height equal to one-half of the depth of the first purification tank 21; the first purification tank 21 includes an outflow pipe 211, and the outflow pipe 211 is disposed at the bottom of the first purification tank 21; the concentration mechanism 30 comprises a heat exchanger 31, a circulating concentration tower 32 and a draught fan 33; the circulation concentration tower 32 is provided with a heating pipe 321 and an atomization absorption pipe 322, one end of the heating pipe 321 is communicated with the outflow pipe 211, and a second control valve b is arranged at the communication position of the heating pipe 321 and the outflow pipe 211; the atomization absorption pipe 322 is communicated with the other end of the heating pipe 321, the induced draft fan is arranged at the port of the other end of the atomization absorption pipe 322, and the heat exchanger 31 is close to one side of the atomization absorption pipe 322 and absorbs the heat of the atomization absorption pipe 322; the diluting structure 40 comprises a diluting groove 41 and a diluting liquid pipe 42 for discharging the diluting liquid, the diluting groove 41 comprises a diluting part 411 and a converging part 412, wherein the converging part 412 is funnel-shaped; the dilution liquid pipe 42 is communicated with the dilution part 411, and the convergence part 412 is provided with a sulfuric acid drainage pipe 413; the cooling mechanism 50 comprises a cooling tank 51 and a discharge pipe 52, the sulfuric acid drainage pipe 413 is communicated with the cooling tank 51, and a third control valve c is arranged at a port of the discharge pipe 52.
Specifically, still including sulphuric acid storage device 60, sulphuric acid storage device 60 is including placing board 61, be equipped with the sulphuric acid bottle 62 and the shunt tubes 63 that are used for accomodating sulphuric acid on placing the board, shunt tubes 63 one end with sulphuric acid drainage tube 413 intercommunication, the other end with sulphuric acid bottle 62 intercommunication.
Specifically, the device further comprises a waste liquid storage box body 70, and the bottom of the waste liquid storage box body 70 is provided with at least four sliding wheels 71, wherein the waste liquid storage box body 70 is used for storing residues of the sulfuric acid waste liquid.
Specifically, the purification structure 20 further comprises a first cooler 23, and the first cooler 23 is disposed at the bottom of the first purification tank 21 and the second purification tank 22; wherein a shielding plate 24 is further disposed between the first cooler 23 and the first and second purge tanks 21 and 22.
Specifically, at least two isolation plates 211 are further disposed in the first purge tank 21, and the isolation plates 211 are perpendicular to the bottom surface of the first purge tank 21; and the height of the partition plate is smaller than the depth of the groove depth of the first purge groove.
Specifically, the cooling mechanism 50 further includes a base 53 for placing the converging portion; the base 53 is provided with a second cooler 531 and a placing groove 532, the placing groove 532 is matched with the converging part 412, and the second cooler 531 is positioned at the bottom of the base 53.
Specifically, the dilution structure 40 further comprises a dilution pipe 43 for flowing water, the dilution pipe 43 is communicated with the dilution tank 41, and a connection port of the dilution pipe 43 is positioned at the top end of the dilution tank 41; a fourth control valve d is arranged on the dilution pipe 43.
Specifically, the first cooler is a shell and tube cooler.
In particular, the second cooler is a plate cooler.
In the implementation of the application, concentrated sulfuric acid can emit a large amount of heat during dilution, the durability of a dilution tank can be reduced due to high temperature, the concentrated sulfuric acid can be conveyed and used after being naturally cooled, the production efficiency is seriously affected, and therefore the concentrated sulfuric acid needs to be cooled in time;
for example: the waste liquid enters the centrifugal mechanism through the waste liquid inlet pipe, the separated sulfuric acid flows into a first purifying tank of a purifying structure, flows into a second purifying tank for secondary precipitation after being precipitated by the first purifying tank, and quickly precipitates impurities in the sulfuric acid after absorbing heat by coolers arranged below the first purifying tank and the second purifying tank; after secondary precipitation, sulfuric acid flows through a concentration mechanism, heating is carried out by a heating pipe in a circulating concentration tower to enable water and sulfuric acid in the sulfuric acid to be changed into atomized water, the atomized water is treated by a heat exchanger and a draught fan to remove water, the sulfuric acid in the atomized water is liquefied by the circulating concentration tower and then flows into a dilution structure along with the sulfuric acid in the circulating concentration tower, the sulfuric acid is diluted by a dilution tank in the dilution structure and then flows into a cooling tank in a cooling mechanism, and the sulfuric acid is cooled to normal temperature and then is applied to work again; this sulphuric acid recovery complete sets can once only with sulphuric acid recycle in the waste liquid to can dilute sulphuric acid to the sulphuric acid of target concentration as required, realize improving the recovery efficiency of sulphuric acid to the recycle of integral type with sulphuric acid, reduce recovery cost.
The aspects of the utility model have been described in detail hereinabove with reference to the drawings. In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments. Those skilled in the art should also appreciate that the acts and modules referred to in the specification are not necessarily required by the utility model. In addition, it can be understood that the steps in the method according to the embodiment of the present invention may be sequentially adjusted, combined, and deleted according to actual needs, and the structure in the device according to the embodiment of the present invention may be combined, divided, and deleted according to actual needs.
Having described embodiments of the present invention, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The terminology used herein is chosen in order to best explain the principles of the embodiments, the practical application, or improvements made to the technology in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.
Claims (9)
1. A sulfuric acid recovery plant, comprising:
the device comprises a centrifugal mechanism, a purification mechanism, a concentration mechanism, a dilution mechanism and a cooling mechanism;
the centrifugal mechanism comprises a waste liquid inlet pipe and a filtrate outlet pipe, and the waste liquid inlet pipe is provided with a first control valve; the purification structure comprises a first purification tank and a second purification tank, wherein the filtrate outlet pipe is communicated with the first purification tank, the first purification tank is communicated with the second purification tank through a guide pipe, and the height of the guide pipe is equal to one-half of the depth of the first purification tank; the first purifying tank comprises an outflow pipe which is arranged at the bottom of the first purifying tank;
the concentration mechanism comprises a heat exchanger, a circulating concentration tower and a draught fan; the circulating concentration tower is provided with a heating pipe and an atomizing absorption pipe, one end of the heating pipe is communicated with the outflow pipe, and a second control valve is arranged at the communication position of the heating pipe and the outflow pipe; the atomization absorption pipe is communicated with the other end of the heating pipe, the induced draft fan is arranged at the port of the other end of the atomization absorption pipe, and the heat exchanger is close to one side of the atomization absorption pipe and absorbs the heat of the atomization absorption pipe;
the diluting structure comprises a diluting groove and a diluting liquid pipe for discharging diluting liquid, the diluting groove comprises a diluting part and a converging part, and the converging part is funnel-shaped; the dilution liquid pipe is communicated with the dilution part, and the convergence part is provided with a sulfuric acid drainage pipe; the cooling mechanism comprises a cooling tank and a discharge pipe, the sulfuric acid drainage pipe is communicated with the cooling tank, and a third control valve is arranged at the port of the discharge pipe.
2. The sulfuric acid recovery complete equipment according to claim 1, further comprising a sulfuric acid storage device, wherein the sulfuric acid storage device comprises a placing plate, a sulfuric acid bottle and a shunt pipe for containing sulfuric acid are arranged on the placing plate, one end of the shunt pipe is communicated with the sulfuric acid drainage pipe, and the other end of the shunt pipe is communicated with the sulfuric acid bottle.
3. The sulfuric acid recovery plant of claim 2, further comprising a waste storage tank having at least four sliding wheels at the bottom thereof, wherein the waste storage tank is configured to store the residue of the sulfuric acid waste.
4. The sulfuric acid recovery plant of claim 1, wherein the purification structure further comprises a first cooler, the first cooler being disposed at the bottom of the first purification tank and the second purification tank; wherein a layer of protection plate is arranged between the first cooler and the first purification tank and between the first cooler and the second purification tank.
5. The sulfuric acid recovery plant according to claim 1, wherein at least two partition plates are further provided in the first purification tank, the partition plates being perpendicular to a bottom surface of the first purification tank; and the height of the partition plate is smaller than the depth of the groove depth of the first purge groove.
6. The sulfuric acid recovery plant of claim 1, wherein the cooling mechanism further comprises a base for receiving the converging portion; the base is equipped with the second cooler and places the recess, place the recess with the portion adaptation that assembles, the second cooler is located the bottom of base.
7. The sulfuric acid recovery plant according to claim 1, wherein the dilution structure further comprises a dilution pipe for flowing water, the dilution pipe is communicated with the dilution tank, and a connection port of the dilution pipe is positioned at the top end of the dilution tank; and a fourth control valve is arranged on the dilution pipe.
8. The sulfuric acid recovery plant of claim 4, wherein the first cooler is a shell and tube cooler.
9. The sulfuric acid recovery plant of claim 6 wherein the second cooler is a plate cooler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122436861.2U CN215855121U (en) | 2021-10-11 | 2021-10-11 | Complete equipment for recovering sulfuric acid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122436861.2U CN215855121U (en) | 2021-10-11 | 2021-10-11 | Complete equipment for recovering sulfuric acid |
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| Publication Number | Publication Date |
|---|---|
| CN215855121U true CN215855121U (en) | 2022-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122436861.2U Active CN215855121U (en) | 2021-10-11 | 2021-10-11 | Complete equipment for recovering sulfuric acid |
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| CN (1) | CN215855121U (en) |
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- 2021-10-11 CN CN202122436861.2U patent/CN215855121U/en active Active
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