CN215102439U - Sulfuric acid production wastewater treatment system - Google Patents
Sulfuric acid production wastewater treatment system Download PDFInfo
- Publication number
- CN215102439U CN215102439U CN202120606702.XU CN202120606702U CN215102439U CN 215102439 U CN215102439 U CN 215102439U CN 202120606702 U CN202120606702 U CN 202120606702U CN 215102439 U CN215102439 U CN 215102439U
- Authority
- CN
- China
- Prior art keywords
- intercommunication
- outlet pipe
- collecting pit
- feeding bin
- sedimentation tank
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model discloses a sulphuric acid waste water treatment system belongs to sulphuric acid waste water treatment technical field, and aim at solves the not thorough problem of sulphuric acid waste water treatment. It includes the collecting pit, the collecting pit intercommunication has the inlet tube, the collecting pit intercommunication has first outlet pipe, the collecting pit top is equipped with first feeding bin and second feeding bin, be equipped with calcium hydroxide in the first feeding bin, be equipped with PAM flocculating agent and PAC flocculating agent in the second feeding bin, first slush pump intercommunication in the waste water pond has the plate and frame filter press, first outlet pipe intercommunication has the sedimentation tank, second slush pump and plate and frame filter press intercommunication in the sedimentation tank, the sedimentation tank intercommunication has the second outlet pipe, second outlet pipe intercommunication has the ultrafilter, the clear liquid discharging pipe intercommunication of ultrafilter has special filter, the dense liquid discharging pipe and the sedimentation tank intercommunication of ultrafilter, special filter intercommunication has the clear liquid drain pipe, special filter intercommunication has the dense liquid drain pipe, dense liquid drain pipe and collecting pit intercommunication. The utility model is suitable for a sulphuric acid waste water treatment.
Description
Technical Field
The utility model belongs to the technical field of sulphuric acid waste water treatment, concretely relates to sulphuric acid waste water treatment system.
Background
At present, sulfuric acid wastewater is generated in various links such as chemical production, ore mining and the like, and comprises sulfur production, sulfur-containing flue gas washing, sulfur ore acid-making wastewater, slag flushing wastewater and the like. The sulfuric acid wastewater contains pollutants such as sulfuric acid, sulfurous acid, sulfate, heavy metal ions and the like, and if the sulfuric acid wastewater is not effectively treated, the ecological environment is seriously influenced. However, the sulfuric acid wastewater treatment process at the present stage is not thorough in pollutant treatment, certain environmental pollution still exists, or a complex treatment process is needed to carry out multiple pollutants, which can greatly increase the production cost of enterprises, so that the development of the sulfuric acid wastewater treatment method with thorough pollutant treatment and simple process has important significance.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: provides a sulfuric acid production wastewater treatment system, and solves the problem of incomplete sulfuric acid wastewater treatment in the prior art.
The utility model adopts the technical scheme as follows:
a sulfuric acid production wastewater treatment system comprises a collecting tank, wherein the collecting tank is communicated with a water inlet pipe, the collecting tank is communicated with a first water outlet pipe, a first feeding bin and a second feeding bin are arranged above the collecting tank, calcium hydroxide is arranged in the first feeding bin, a PAM flocculating agent and a PAC flocculating agent are arranged in the second feeding bin, a first slurry pump and a plate and frame filter press are arranged in the collecting tank, a discharge end of the first slurry pump is communicated with a feed end of the plate and frame filter press, the first water outlet pipe is communicated with a sedimentation tank, a second slurry pump is arranged in the sedimentation tank, a discharge end of the second slurry pump is communicated with the feed end of the plate and frame filter press, the sedimentation tank is communicated with a second water outlet pipe, the second water outlet pipe is communicated with an ultrafilter, a clear liquid discharge pipe of the ultrafilter is communicated with a special filter, and a concentrated liquid discharge pipe of the ultrafilter is communicated with the sedimentation tank, the special filter is communicated with a clear liquid outlet pipe, the special filter is communicated with a concentrated liquid outlet pipe, and the concentrated liquid outlet pipe is communicated with the collecting tank.
Furthermore, the special filter membrane of the special filter is made of a polyamide composite membrane.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. the utility model discloses a, including the collecting pit, the collecting pit intercommunication has the inlet tube, the collecting pit intercommunication has first outlet pipe, be provided with first feeding bin and second feeding bin above the collecting pit, be provided with calcium hydroxide in the first feeding bin, be provided with PAM flocculating agent and PAC flocculating agent in the second feeding bin, be provided with first slush pump in the collecting pit, still be provided with the plate and frame filter press, the discharge end of first slush pump and the feed end of plate and frame filter press communicate, first outlet pipe intercommunication has the sedimentation tank, be provided with the second slush pump in the sedimentation tank, the discharge end of the second slush pump and the feed end of plate and frame filter press communicate, the sedimentation tank intercommunication has the second outlet pipe, the second outlet pipe intercommunication has the ultrafilter, the clear liquid discharging pipe intercommunication of ultrafilter has special filter, the concentrated liquid discharging pipe and the sedimentation tank intercommunication of ultrafilter, the special filter is communicated with a clear liquid outlet pipe, the special filter is communicated with a concentrated liquid outlet pipe, and the concentrated liquid outlet pipe is communicated with the collecting tank.
Through the setting, sulfuric acid wastewater is sent into a collecting tank, calcium hydroxide is put into a first feeding bin to neutralize the wastewater, a PAM flocculating agent and a PAC flocculating agent are added into the wastewater by a second feeding bin, calcium sulfate particles in the wastewater form colloid, overflow is introduced into a settling tank through a first water outlet pipe to carry out secondary sedimentation, precipitated sludge formed by other hydroxides is discharged by a first slurry pump and then is subjected to filter pressing treatment through a plate and frame filter press, precipitated sludge generated by secondary sedimentation is discharged by a second slurry pump and then is subjected to filter pressing treatment through the plate and frame filter press, overflow generated by secondary sedimentation is introduced into an ultrafiltration machine through a second water outlet pipe to carry out ultrafiltration treatment, concentrated solution generated by ultrafiltration treatment is introduced into the settling tank through a concentrated solution discharging pipe to carry out secondary sedimentation, clear solution generated by ultrafiltration treatment is introduced into a special filter through a clear solution discharging pipe to separate clear solution and concentrated solution containing heavy metal ions through a special type filtration membrane, the concentrated solution containing heavy metal ions is introduced into the collecting tank through the concentrated solution liquid outlet pipe for secondary treatment, and clear solution is discharged through the clear solution liquid outlet pipe for recycling.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and that for those skilled in the art, other relevant drawings can be obtained according to the drawings without inventive effort, wherein:
fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a process flow diagram of the present invention;
the labels in the figure are: 1-a collection pool, 2-a water inlet pipe, 3-a first water outlet pipe, 4-a first feeding bin, 5-a second feeding bin, 6-a first slurry pump, 7-a plate and frame filter press, 8-a sedimentation tank, 9-a second slurry pump, 10-a second water outlet pipe, 11-an ultrafiltration machine, 12-a clear liquid discharge pipe, 13-a special filter, 14-a concentrated liquid discharge pipe, 15-a clear liquid discharge pipe and 16-a concentrated liquid discharge pipe.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
It should be noted that: reference numerals and letters designate similar items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; mechanical connection or electrical connection can be realized; the two original pieces can be directly connected or indirectly connected through an intermediate medium, or the two original pieces can be communicated with each other. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
A sulfuric acid production wastewater treatment system comprises a collecting tank, wherein the collecting tank is communicated with a water inlet pipe, the collecting tank is communicated with a first water outlet pipe, a first feeding bin and a second feeding bin are arranged above the collecting tank, calcium hydroxide is arranged in the first feeding bin, a PAM flocculating agent and a PAC flocculating agent are arranged in the second feeding bin, a first slurry pump and a plate and frame filter press are arranged in the collecting tank, a discharge end of the first slurry pump is communicated with a feed end of the plate and frame filter press, the first water outlet pipe is communicated with a sedimentation tank, a second slurry pump is arranged in the sedimentation tank, a discharge end of the second slurry pump is communicated with the feed end of the plate and frame filter press, the sedimentation tank is communicated with a second water outlet pipe, the second water outlet pipe is communicated with an ultrafilter, a clear liquid discharge pipe of the ultrafilter is communicated with a special filter, and a concentrated liquid discharge pipe of the ultrafilter is communicated with the sedimentation tank, the special filter is communicated with a clear liquid outlet pipe, the special filter is communicated with a concentrated liquid outlet pipe, and the concentrated liquid outlet pipe is communicated with the collecting tank.
Furthermore, the special filter membrane of the special filter is made of a polyamide composite membrane.
The utility model discloses in the implementation process, send sulphuric acid waste water into the collecting pit, first add the feed bin and drop into calcium hydroxide and waste water neutralization, the second adds the feed bin and adds PAM flocculating agent and PAC flocculating agent to waste water, make the calcium sulfate granule in the waste water form the colloid, the overflow lets in the sedimentation tank through first outlet pipe and carries out the secondary settlement, the precipitated sludge that other hydroxides formed carries out the filter-pressing treatment through the plate and frame filter press after first slush pump discharges, the precipitated sludge that the secondary settlement produced carries out the filter-pressing treatment through the plate and frame filter press after the second slush pump discharges, the overflow that the secondary settlement produces lets in the ultrafiltration machine through the second outlet pipe and carries out the ultrafiltration treatment, the thick liquid that the ultrafiltration treatment produced lets in the sedimentation tank through the thick liquid discharging pipe and carries out the secondary settlement, the clear liquid that the ultrafiltration treatment produced lets in special type filter through the clear liquid discharging pipe and separates out clear liquid and the thick liquid that contains heavy metal ion, the concentrated solution containing heavy metal ions is introduced into the collecting tank through the concentrated solution liquid outlet pipe for secondary treatment, and clear solution is discharged through the clear solution liquid outlet pipe for recycling.
Example 1
A sulfuric acid production wastewater treatment system comprises a collecting tank, wherein the collecting tank is communicated with a water inlet pipe, the collecting tank is communicated with a first water outlet pipe, a first feeding bin and a second feeding bin are arranged above the collecting tank, calcium hydroxide is arranged in the first feeding bin, a PAM flocculating agent and a PAC flocculating agent are arranged in the second feeding bin, a first slurry pump and a plate and frame filter press are arranged in the collecting tank, a discharge end of the first slurry pump is communicated with a feed end of the plate and frame filter press, the first water outlet pipe is communicated with a sedimentation tank, a second slurry pump is arranged in the sedimentation tank, a discharge end of the second slurry pump is communicated with the feed end of the plate and frame filter press, the sedimentation tank is communicated with a second water outlet pipe, the second water outlet pipe is communicated with an ultrafilter, a clear liquid discharge pipe of the ultrafilter is communicated with a special filter, and a concentrated liquid discharge pipe of the ultrafilter is communicated with the sedimentation tank, the special filter is communicated with a clear liquid outlet pipe, the special filter is communicated with a concentrated liquid outlet pipe, and the concentrated liquid outlet pipe is communicated with the collecting tank.
Example 2
On the basis of the embodiment 1, the material of the special filter membrane of the special filter is a polyamide composite membrane.
The above is the embodiment of the present invention. The foregoing is the preferred embodiments of the present invention, and if the preferred embodiments in the preferred embodiments are not obviously contradictory or are based on a certain preferred embodiment, the preferred embodiments can be combined and used by being superimposed at will, and the specific parameters in the embodiments and examples are only for the purpose of clearly describing the verification process of the present invention, and are not used to limit the patent protection scope of the present invention, which is still based on the claims, and all the equivalent structural changes made by applying the contents of the specification and the drawings of the present invention should be included in the protection scope of the present invention.
Claims (2)
1. The utility model provides a sulphuric acid waste water treatment system, its characterized in that, includes collecting pit (1), collecting pit (1) intercommunication has inlet tube (2), collecting pit (1) intercommunication has first outlet pipe (3), collecting pit (1) top is provided with first feeding bin (4) and second feeding bin (5), is provided with calcium hydroxide in the first feeding bin (4), is provided with PAM flocculating agent and PAC flocculating agent in the second feeding bin (5), be provided with first slush pump (6) in collecting pit (1), still be provided with sheet frame filter press (7), the discharge end of first slush pump (6) and the feed end of sheet frame filter press (7) communicate, first outlet pipe (3) intercommunication has sedimentation tank (8), be provided with second slush pump (9) in sedimentation tank (8), the discharge end of second slush pump (9) and the feed end of sheet frame filter press (7) communicate, sedimentation tank (8) intercommunication has second outlet pipe (10), and second outlet pipe (10) intercommunication has ultrafilter (11), clear liquid discharging pipe (12) intercommunication of ultrafilter (11) has special filter (13), dense liquid discharging pipe (14) and sedimentation tank (8) intercommunication of ultrafilter (11), special filter (13) intercommunication has clear liquid drain pipe (15), special filter (13) intercommunication has dense liquid drain pipe (16), dense liquid drain pipe (16) and collecting pit (1) intercommunication.
2. A sulfuric acid production wastewater treatment system according to claim 1, characterized in that the material of the special filter membrane of the special filter (13) is a polyamide composite membrane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120606702.XU CN215102439U (en) | 2021-03-25 | 2021-03-25 | Sulfuric acid production wastewater treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120606702.XU CN215102439U (en) | 2021-03-25 | 2021-03-25 | Sulfuric acid production wastewater treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215102439U true CN215102439U (en) | 2021-12-10 |
Family
ID=79344797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120606702.XU Active CN215102439U (en) | 2021-03-25 | 2021-03-25 | Sulfuric acid production wastewater treatment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215102439U (en) |
-
2021
- 2021-03-25 CN CN202120606702.XU patent/CN215102439U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101648757B (en) | Recycling processing method for stainless steel processing process wastewater grading precipitation | |
| CN101628761B (en) | Treatment method of nickel-cobalt-manganese wastewater generated in waste and old battery treatment process | |
| CN101817575B (en) | Electric flocculation method and device for recovering and processing desulfurized wastewater | |
| CN106882884B (en) | A kind of method of chloride ion in recycling waste water | |
| CN104176852A (en) | Treatment process for chemical nickel plating waste liquid in circuit board industry | |
| CN105439326A (en) | Treatment method of chemical nickel-plating wastewater | |
| CN107244773A (en) | Zero-discharge process and equipment for desulfurization wastewater treatment and recycling | |
| CN108726727A (en) | The processing method of cold rolling acid waste water and the application for being sintered semi-dry desulphurization ash | |
| CN108975570A (en) | A kind of device and method handling industrially desulfurized waste water using stack gases | |
| CN202558715U (en) | Treatment and reuse device for electrolytic manganese industrial wastewater | |
| CN112897730B (en) | System and method for treating and recycling high-arsenic high-fluorine waste acid | |
| CN100400427C (en) | Process of treating and utilizing acid waste water containing heavy metal | |
| CN104787927A (en) | Novel method for purifying and repeatedly using lead and zinc smelting flue gas washing contaminated acid wastewater | |
| CN215102439U (en) | Sulfuric acid production wastewater treatment system | |
| CN209143930U (en) | A kind of coal fired power plant desulfurization wastewater dechlorination processing unit | |
| CN216377740U (en) | High ammonia-nitrogen wastewater treatment and resource utilization system | |
| CN215049487U (en) | Processing system of oxidation method SOx/NOx control waste water | |
| CN210915748U (en) | Organic wastewater treatment system is used in glass fiber cloth production | |
| CN109761383B (en) | Recycling and treating method and recycling and treating system for heavy metal wastewater | |
| CN113105032A (en) | Method and device for treating heavy metals and total phosphorus in waste water of incineration line | |
| CN209193691U (en) | A kind of equipment handling industrially desulfurized waste water using stack gases | |
| CN209065501U (en) | A kind of desulfurization wastewater treatment system | |
| CN206940612U (en) | Desulfurization wastewater treatment system | |
| CN112939287A (en) | Sulfuric acid production wastewater treatment method | |
| CN110746003A (en) | Convenient integrated paint spraying wastewater treatment and recycling system and method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |