CN210934487U - Novel phosphoric acid membrane separator - Google Patents
Novel phosphoric acid membrane separator Download PDFInfo
- Publication number
- CN210934487U CN210934487U CN201921862640.8U CN201921862640U CN210934487U CN 210934487 U CN210934487 U CN 210934487U CN 201921862640 U CN201921862640 U CN 201921862640U CN 210934487 U CN210934487 U CN 210934487U
- Authority
- CN
- China
- Prior art keywords
- pipe
- partition plate
- phosphoric acid
- membrane
- liquid
- 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 novel phosphoric acid membrane separator, which comprises a housin, be equipped with the separation chamber in this casing, be equipped with the membrane pipe in this separation intracavity, upper portion at the casing is connected with the scavenging solution discharge pipe, this scavenging solution discharge pipe is linked together with the clear solution export of membrane pipe, be connected with stoste feed liquor pipe and thick liquid drain pipe respectively on the lateral wall in separation chamber, bottom in this separation chamber is equipped with the drain, still be equipped with the vortex grid tray in the separation intracavity, this vortex is located between membrane pipe and the stoste feed liquor pipe, arbitrary surface of this vortex grid tray is towards stoste feed liquor pipe, the last array distribution of this vortex grid tray has the liquid hole. The beneficial effects of the utility model are that, after coarse phosphoric acid pours into from stoste feed liquor pipe, the liquid stream is disturbed the dispersion by the vortex grid tray to greatly reduced its impact force to the membrane pipe, reduced because the mechanical damage that the scouring action caused, extension membrane pipe life, and make its and more membrane pipe contact effect with the liquid stream dispersion, improve the separation effect.
Description
Technical Field
The utility model belongs to phosphoric acid production facility field, concretely relates to novel phosphoric acid membrane separator.
Background
The wet phosphoric acid process mainly uses sulfuric acid to decompose phosphorite to prepare phosphoric acid. Sulfuric acid reacts with phosphorite to generate calcium sulfate crystals and phosphoric acid solution, and then the solution is filtered to separate liquid from solid to obtain crude phosphoric acid. To obtain purified phosphoric acid, it is necessary to further remove small solid particles and colloidal impurities from the crude phosphoric acid. Membrane separation equipment is already in mature use, and the core component of the equipment is a phosphoric acid membrane separator. When the existing phosphoric acid membrane separator is used, stock solution is injected into the separator from the liquid inlet to generate a mechanical scouring effect on membrane tubes, the phenomenon that the membrane tubes are damaged by scouring possibly occurs, frequent parking is caused to replace the membrane tubes, continuous production is influenced, and liquid rapidly flows around the membrane tubes, so that the contact time with the membrane tubes is short, the separation effect is poor, and the economic benefit is influenced. Therefore, there is a need for an improved structure of a membrane separator.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a novel phosphoric acid membrane separator.
The technical scheme is as follows:
the utility model provides a novel phosphoric acid membrane separator, includes the casing, is equipped with the separation chamber in this casing, is equipped with the membrane pipe at this separation intracavity the upper portion of casing is connected with the scavenging solution discharge pipe, this scavenging solution discharge pipe with the clear solution export of membrane pipe is linked together be connected with stoste feed liquor pipe and thick liquid drain pipe on the lateral wall in separation chamber respectively, be equipped with the drain in the bottom in this separation chamber, its key lies in still be equipped with the vortex grid tray in the separation intracavity, this vortex grid tray is located the membrane pipe with between the stoste feed liquor pipe, arbitrary surface orientation of this vortex grid tray stoste feed liquor pipe, the last array distribution of this vortex grid tray has the liquid hole of crossing.
By adopting the design, the device has the advantages that after the crude phosphoric acid is injected from the stock solution liquid inlet pipe, the liquid flow is disturbed and dispersed by the turbulence grid plate, so that the impact force on the membrane pipe is greatly reduced, the mechanical damage caused by the scouring action is reduced, the service life of the membrane pipe is prolonged, the liquid flow is dispersed to enable the liquid flow to interact with more membrane pipes, and the separation effect is improved.
As a preferred technical scheme, the two turbulence grid plates are arranged, the two turbulence grid plates are mutually separated and parallel, and the liquid passing holes in the two turbulence grid plates are mutually staggered.
By adopting the design, the turbulent flow grid plate has a simple structure, a bent flow channel is formed between two turbulent flow grid plates with mutually staggered liquid passing holes, and liquid flow is dispersed and has strong deceleration effect.
As a preferred technical scheme, a flow blocking plate is further arranged in the separation cavity, the flow blocking plate is positioned in the middle of the separation cavity, at least one membrane tube is respectively arranged on two sides of the flow blocking plate, the raw liquid inlet tube and the concentrated liquid outlet tube are respectively arranged on the shells on two sides of the flow blocking plate, and a liquid flow channel is formed between the lower edge of the flow blocking plate and the bottom of the shell.
By adopting the design, the flow blocking plate can prevent liquid from directly flowing through the membrane tube horizontally, but can guide the liquid to bypass the flow blocking plate from the liquid flow channel below, so that the flow path of the liquid between the stock solution liquid inlet tube and the concentrated solution liquid outlet tube is prolonged, the action time of the liquid and the membrane tube is prolonged, and the separation effect is improved.
As a preferred technical solution, the housing includes a lower housing having an upward opening and an upper housing having a downward opening, the upper housing is covered on the lower housing, a partition plate is sandwiched between the lower housing and the upper housing, the partition plate is horizontally disposed, the partition plate and the lower housing enclose a separation chamber, and the partition plate and the upper housing enclose a clear liquid chamber;
the membrane tube is fixedly arranged on the partition plate and is positioned in the separation cavity, and one end, corresponding to the clear liquid outlet, of the membrane tube upwards penetrates through the partition plate and extends into the clear liquid cavity;
the turbulence grid plate and the spoiler are respectively and vertically arranged below the partition plate;
the upper shell is connected with the purified liquid discharge pipe;
the side wall of the lower shell is respectively connected with the stock solution inlet pipe and the concentrated solution outlet pipe, and the bottom of the lower shell is provided with the sewage outlet.
By adopting the design, the whole structure is simple, and the film tube, the turbulence grid plate and the spoiler are convenient to install.
As a preferred technical scheme, a partition plate is arranged in the clear liquid cavity, the partition plate and the flow blocking plate are positioned in the same plane, the edge of the partition plate is respectively connected with the upper shell and the partition plate so as to divide the clear liquid cavity into two clear liquid areas, the upper shell corresponding to the two clear liquid areas is respectively connected with one purified liquid discharge pipe, and the purified liquid discharge pipe is also connected with a back-blowing gas pipe.
By adopting the design, the partition plate divides the clear liquid cavity into two parts, and when the membrane tube is blown and regenerated by blowing and blowing air through the back blowing air tube, the gas flow rate is high, and the blowing and blowing effect is good.
As a preferred technical scheme, the bottom of the lower shell is downwards contracted to form the sewage draining outlet.
By adopting the design, the particles can be conveniently deposited at the bottom of the necking, and the deposited particles are not easily disturbed by the liquid above the necking.
According to a preferable technical scheme, an upper flange ring is sleeved outside the upper shell, a lower flange ring is sleeved outside the lower shell, and the lower flange ring is vertically parallel and opposite to the upper flange ring and is connected with the upper flange ring through bolts.
By adopting the design, the upper shell, the lower shell and the partition plate are convenient to be assembled in a sealing way.
Compared with the prior art, the beneficial effects of the utility model are that: after the crude phosphoric acid is injected from the stock solution inlet pipe, the liquid flow is disturbed and dispersed by the turbulence grid plate, so that the impact force of the crude phosphoric acid on the membrane pipe is greatly reduced, the mechanical damage caused by the scouring action is reduced, the service life of the membrane pipe is prolonged, the liquid flow is dispersed to enable the crude phosphoric acid to interact with more membrane pipes, and the separation effect is improved.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a cross-sectional view of the present invention at a-a in fig. 1;
fig. 3 is an enlarged view of a portion m in fig. 2.
Detailed Description
The present invention will be further described with reference to the following examples and accompanying drawings.
As shown in figure 1, the novel phosphoric acid membrane separator comprises a shell 1, a separation cavity 1c is arranged in the shell 1, a membrane tube 3 is arranged in the separation cavity 1c, the lower end of the membrane tube 3 is closed, and the upper end of the membrane tube is provided with a clear liquid outlet 3 a. The upper portion of casing 1 is connected with the scavenging solution discharge pipe 6, this scavenging solution discharge pipe 6 with the clear liquid export 3a of membrane tube 3 is linked together be connected with stoste feed liquor pipe 4 and thick liquid drain pipe 5 on the lateral wall of separation chamber 1c respectively, be equipped with drain 7 in the bottom of this separation chamber 1c still be equipped with vortex grid tray 8 in the separation chamber 1c, this vortex grid tray 8 is located membrane tube 3 with between the stoste feed liquor pipe 4, arbitrary surface orientation of this vortex grid tray 8 stoste feed liquor pipe 4, the last array distribution of this vortex grid tray 8 has liquid hole 8 a.
Specifically, the housing 1 is cylindrical, the housing 1 includes a lower housing 1b having an upward opening and an upper housing 1a having a downward opening, the upper housing 1a is covered on the lower housing 1b, a partition plate 2 is interposed between the lower housing 1b and the upper housing, the partition plate 2 is horizontally disposed, the partition plate 2 and the lower housing 1b enclose a separation chamber 1c, and the partition plate 2 and the upper housing 1a enclose a clear liquid chamber 1 d. The upper shell 1a is connected with the purified liquid discharge pipe 6, and the side wall of the lower shell 1b is respectively connected with the stock solution inlet pipe 4 and the concentrated solution outlet pipe 5. The bottom of the lower housing 1b is downwardly constricted to form the drain outlet 7.
The upper shell 1a is sleeved with an upper flange ring, the lower shell 1b is sleeved with a lower flange ring, and the lower flange ring is vertically parallel and opposite to the upper flange ring and is connected with the upper flange ring through bolts.
The membrane tube 3 is fixedly arranged on the partition plate 2, the membrane tube 3 is positioned in the separation cavity 1c, and one end of the membrane tube 3, corresponding to the clear liquid outlet 3a, upwards penetrates through the partition plate 2 and extends into the clear liquid cavity 1 d. The turbulence grid plate 8 and the spoiler 9 are respectively vertically arranged below the partition plate 2.
A flow baffle 9 is further arranged in the separation cavity 1c, the flow baffle 9 is positioned in the middle of the separation cavity 1c, at least one membrane tube 3 is respectively arranged on two sides of the flow baffle 9, the shell 1 on two sides of the flow baffle 9 is respectively provided with the stock solution inlet tube 4 and the concentrated solution outlet tube 5, and a liquid flow channel is formed between the lower edge of the flow baffle 9 and the bottom of the shell 1.
A partition plate 10 is arranged in the clear liquid cavity 1d, the partition plate 10 and the spoiler 9 are positioned in the same plane, the edge of the partition plate 10 is respectively connected with the upper shell 1a and the partition plate 2 to divide the clear liquid cavity 1d into two clear liquid areas, the upper shell 1a corresponding to the two clear liquid areas is respectively connected with one purified liquid discharge pipe 6, and the purified liquid discharge pipe 6 is further connected with an anti-blowing gas pipe 6 a.
As shown in fig. 2 and 3, there are two turbulence grid plates 8, two turbulence grid plates 8 are spaced apart from each other and are parallel to each other, and the liquid passing holes 8a of the two turbulence grid plates 8 are arranged in a staggered manner. As shown in fig. 3, after the crude phosphoric acid entering from the stock solution inlet pipe 4 flows through the two turbulence grid plates 8, the crude phosphoric acid passes through the bent channel, so that the flow velocity is reduced and the crude phosphoric acid is dispersed, the scouring effect on the membrane tubes is reduced, and the crude phosphoric acid is in more contact with the membrane tubes 3 close to the edge of the lower shell 1a, so that the separation effect is improved.
The turbulence grid plate 8 is an arc-shaped plate, and the arc-shaped plate has certain three-dimensional strength, and has better rigidity than a plane plate, strong impact resistance and difficult deformation. The convex surface of the turbulence grid plate 8 faces the stock solution inlet pipe 4 so as to guide and disperse the liquid flow.
The turbulence grid plate 8, the spoiler 9 and the partition plate 10 are respectively connected with the partition plate 2 in a welding mode.
The crude phosphoric acid is injected into the separation cavity 1c through the stock solution inlet pipe 4, then interacts with the membrane pipe 3, and the purified solution generated after being filtered by the membrane pipe flows to the clear solution cavity 1d from the clear solution outlet of the membrane pipe 3 and is then discharged from the purified solution discharge pipe 6. The concentrated solution circulates in the separation cavity and is discharged from a concentrated solution outlet pipe 5, and the particles are gradually deposited at the bottom of the lower shell 1b and are discharged from a sewage outlet 7.
Through increasing vortex grid tray 8, avoid membrane tube 4 to be washed by machinery and damage, play the dispersion simultaneously to the liquid stream, prolong the contact action time of liquid and membrane tube 4, set up spoiler 9 and further prolong the contact action time of liquid and membrane tube 4. Set up the blowback pipe 6a, be convenient for let in the air and sweep the regeneration to the membrane tube, and set up subregion board 10 and be convenient for sweep the membrane tube in the corresponding region, improve and sweep atmospheric pressure, reinforcing clean effect.
Finally, it should be noted that the above description is only a preferred embodiment of the present invention, and those skilled in the art can make various similar representations without departing from the spirit and the scope of the present invention.
Claims (7)
1. The utility model provides a novel phosphoric acid membrane separator, includes casing (1), is equipped with separation chamber (1c) in this casing (1), is equipped with membrane pipe (3) in this separation chamber (1c) the upper portion of casing (1) is connected with purifying liquid discharge pipe (6), this purifying liquid discharge pipe (6) with the clear liquid export (3a) of membrane pipe (3) are linked together be connected with stoste feed liquor pipe (4) and dense liquid drain pipe (5) on the lateral wall of separation chamber (1c) respectively, be equipped with drain (7) in the bottom of this separation chamber (1c), its characterized in that: still be equipped with vortex grid tray (8) in separation chamber (1c), this vortex grid tray (8) are located membrane tube (3) with between stoste feed liquor pipe (4), arbitrary surface orientation of this vortex grid tray (8) stoste feed liquor pipe (4), the last array distribution of this vortex grid tray (8) has liquid hole (8 a).
2. The novel phosphoric acid membrane separator as claimed in claim 1, wherein: the two turbulence grid plates (8) are separated from each other and are parallel to each other, and the liquid passing holes (8a) on the two turbulence grid plates (8) are arranged in a staggered mode.
3. The novel phosphoric acid membrane separator according to claim 1 or 2, characterized in that: still be equipped with spoiler (9) in separation chamber (1c), this spoiler (9) are located separation chamber (1c) middle part is equipped with one respectively in the both sides of this spoiler (9) at least membrane tube (3), be equipped with respectively on casing (1) of this spoiler (9) both sides stock solution feed liquor pipe (4) with dense liquid drain pipe (5), the lower limb of this spoiler (9) with form the liquid runner between the bottom of casing (1).
4. The novel phosphoric acid membrane separator as claimed in claim 3, wherein: the shell (1) comprises a lower shell (1b) with an upward opening and an upper shell (1a) with a downward opening, the upper shell (1a) is buckled on the lower shell (1b), a partition plate (2) is clamped between the lower shell and the upper shell, the partition plate (2) is horizontally arranged, the partition plate (2) and the lower shell (1b) enclose a separation cavity (1c), and the partition plate (2) and the upper shell (1a) enclose a clear liquid cavity (1 d);
the membrane tube (3) is fixedly arranged on the partition plate (2), the membrane tube (3) is positioned in the separation cavity (1c), and one end, corresponding to the clear liquid outlet (3a), of the membrane tube (3) upwards penetrates through the partition plate (2) and extends into the clear liquid cavity (1 d);
the turbulence grid plate (8) and the spoiler (9) are respectively and vertically arranged below the partition plate (2);
the upper shell (1a) is connected with the purified liquid discharge pipe (6);
the side wall of the lower shell (1b) is respectively connected with the stock solution inlet pipe (4) and the concentrated solution outlet pipe (5), and the bottom of the lower shell (1b) is provided with the sewage outlet (7).
5. The novel phosphoric acid membrane separator as claimed in claim 4, wherein: the device is characterized in that a partition plate (10) is arranged in the clear liquid cavity (1d), the partition plate (10) and the flow blocking plate (9) are located on the same plane, the edge of the partition plate (10) is respectively connected with the upper shell (1a) and the partition plate (2) to divide the clear liquid cavity (1d) into two clear liquid areas, the upper shell (1a) corresponding to the two clear liquid areas is respectively connected with one purified liquid discharge pipe (6), and the purified liquid discharge pipe (6) is further connected with an anti-blowing pipe (6 a).
6. The novel phosphoric acid membrane separator as claimed in claim 4, wherein: the bottom of the lower shell (1b) is downwards contracted to form the sewage draining outlet (7).
7. The novel phosphoric acid membrane separator as claimed in claim 4, wherein: an upper flange ring is sleeved outside the upper shell (1a), a lower flange ring is sleeved outside the lower shell (1b), and the lower flange ring is vertically parallel and opposite to the upper flange ring and is connected with the upper flange ring through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921862640.8U CN210934487U (en) | 2019-10-31 | 2019-10-31 | Novel phosphoric acid membrane separator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921862640.8U CN210934487U (en) | 2019-10-31 | 2019-10-31 | Novel phosphoric acid membrane separator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210934487U true CN210934487U (en) | 2020-07-07 |
Family
ID=71372693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921862640.8U Active CN210934487U (en) | 2019-10-31 | 2019-10-31 | Novel phosphoric acid membrane separator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210934487U (en) |
-
2019
- 2019-10-31 CN CN201921862640.8U patent/CN210934487U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201735239U (en) | Separation plate type filter capable of realizing thorough reverse flushing of filter cores | |
| CN203139800U (en) | Gas pipeline filter | |
| CN210934487U (en) | Novel phosphoric acid membrane separator | |
| CN206996162U (en) | The device of impurity in a kind of separation gas | |
| CN219149646U (en) | Dust collector dust collection box | |
| CN201030280Y (en) | Novel compressed air dehydrator | |
| CN203123700U (en) | Mist separator with wing type water baffle | |
| CN214820684U (en) | Water guide device for sizing sleeve of vacuum sizing box | |
| CN207243526U (en) | A kind of two grades of horizontal oil separator | |
| CN212523118U (en) | Novel steam-water separation device | |
| CN210825757U (en) | Integrated combined air-float filtering device | |
| CN211536854U (en) | Filtering and separating device | |
| CN202628462U (en) | Gas-water separator with crude separation and fine separation functions | |
| CN208426765U (en) | Water purification installation and wet scrubber | |
| CN202921124U (en) | Self-circulation revolving liquid composite gas filter | |
| CN112774445A (en) | Rod floating ball type gas-liquid separation ultrafiltration membrane component | |
| CN202379776U (en) | Oily water treatment settling tank | |
| CN209039191U (en) | A kind of filtering neutral section | |
| CN216726174U (en) | A filter equipment for NMP retrieves | |
| CN212188389U (en) | Be used for cyanate resin production process to generate exhaust gas purification equipment | |
| CN220696256U (en) | High-efficient wet dust collector | |
| CN218989045U (en) | Separator for waste acid concentration | |
| CN221607997U (en) | Gas-liquid separator for natural gas molecular sieve dewatering skid | |
| CN211999133U (en) | Novel intelligent sewage treatment equipment | |
| CN205803224U (en) | A kind of water purifier |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |