CN116768418A - Method for jointly utilizing iron pigment wastewater and reduced titanium tail gas - Google Patents
Method for jointly utilizing iron pigment wastewater and reduced titanium tail gas Download PDFInfo
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- CN116768418A CN116768418A CN202310983208.9A CN202310983208A CN116768418A CN 116768418 A CN116768418 A CN 116768418A CN 202310983208 A CN202310983208 A CN 202310983208A CN 116768418 A CN116768418 A CN 116768418A
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- spring
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 64
- 238000000034 method Methods 0.000 title claims abstract description 40
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 32
- 239000000049 pigment Substances 0.000 title claims abstract description 32
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 title claims abstract description 30
- 239000010936 titanium Substances 0.000 title claims abstract description 30
- 229910052719 titanium Inorganic materials 0.000 title claims abstract description 30
- 239000002351 wastewater Substances 0.000 title claims abstract description 28
- 238000003756 stirring Methods 0.000 claims abstract description 39
- 229910052602 gypsum Inorganic materials 0.000 claims abstract description 24
- 239000010440 gypsum Substances 0.000 claims abstract description 24
- 238000003825 pressing Methods 0.000 claims abstract description 12
- 238000001556 precipitation Methods 0.000 claims abstract description 7
- 238000007790 scraping Methods 0.000 claims description 83
- 239000007788 liquid Substances 0.000 claims description 69
- 230000007246 mechanism Effects 0.000 claims description 69
- 238000001914 filtration Methods 0.000 claims description 37
- 238000007599 discharging Methods 0.000 claims description 22
- 230000008569 process Effects 0.000 claims description 14
- 239000002244 precipitate Substances 0.000 claims description 11
- 230000000903 blocking effect Effects 0.000 claims description 10
- 239000012452 mother liquor Substances 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 10
- 239000000706 filtrate Substances 0.000 claims description 8
- 239000012528 membrane Substances 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 7
- 238000001223 reverse osmosis Methods 0.000 claims description 7
- 239000013049 sediment Substances 0.000 claims description 7
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 6
- 230000009471 action Effects 0.000 claims description 6
- 239000011575 calcium Substances 0.000 claims description 6
- 229910052791 calcium Inorganic materials 0.000 claims description 6
- 239000000919 ceramic Substances 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 5
- 238000000926 separation method Methods 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 230000005484 gravity Effects 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 abstract description 3
- 239000000203 mixture Substances 0.000 abstract description 2
- 238000002360 preparation method Methods 0.000 abstract description 2
- 238000004065 wastewater treatment Methods 0.000 abstract description 2
- 238000004904 shortening Methods 0.000 abstract 1
- 125000006850 spacer group Chemical group 0.000 description 5
- 239000011259 mixed solution Substances 0.000 description 4
- 239000011148 porous material Substances 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 235000003891 ferrous sulphate Nutrition 0.000 description 3
- 239000011790 ferrous sulphate Substances 0.000 description 3
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 3
- 229910000359 iron(II) sulfate Inorganic materials 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000010413 mother solution Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 235000010215 titanium dioxide Nutrition 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The invention discloses a method for jointly utilizing iron-based pigment waste water and reduced titanium tail gas, and relates to the technical field of iron-based pigment waste water preparation. The invention can realize uniform stirring and filter pressing of the mixture, and simultaneously can output gypsum precipitation more conveniently, thereby effectively improving the wastewater treatment efficiency, shortening the time required by cleaning equipment, saving manpower and further improving the filter pressing efficiency.
Description
Technical Field
The invention relates to the technical field of iron pigment wastewater preparation, in particular to a method for jointly utilizing iron pigment wastewater and reduced titanium tail gas.
Background
In the process of generating titanium white by a sulfuric acid method, a large amount of ferrous sulfate is generated, and at present, the ferrous sulfate is treated by a common treatment method, namely, ferrous sulfate is utilized to produce iron-based pigment, and in the process of generating the iron-based pigment, after a finished product is removed from mother liquor, mother liquor wastewater is slightly acidic, has higher salinity, cannot meet the direct discharge requirement, and needs to be further treated.
The invention patent of the issued publication No. CN 114291955B discloses a method for jointly utilizing iron-based pigment wastewater and reduced titanium tail gas, which comprises the following steps: s1, performing solid-liquid separation on an iron-based pigment mother solution through a ceramic membrane to obtain mother solution clear liquid; the iron-based pigment washing liquid is concentrated through a ceramic membrane and a reverse osmosis membrane in sequence to obtain reverse osmosis concentrated liquid; s2, adding calcium-containing alkaline substances into the mother liquor clear liquid and the reverse osmosis concentrated liquid, adjusting the pH to 9.5-10.5, and then performing filter pressing to obtain gypsum precipitate and filtrate; s3, regulating the pH value of the filtrate to be more than 11, and then carrying out contact reaction with the purified reduced titanium tail gas until no new precipitate is generated; s4, carrying out ceramic membrane separation on the reacted materials again, and carrying out MVR concentration on the separated clear liquid. The application effectively utilizes the waste liquid of the iron-based pigment and the tail gas of the reduced titanium, reduces the pollution to the environment and creates economic value.
However, the device still has some disadvantages in practical use, namely when the calcium-containing alkaline substance is added into the mixed solution of the mother liquor clear solution and the reverse osmosis concentrated solution, the mixed solution added with the calcium-containing alkaline substance is required to be stirred firstly to ensure uniform mixing, but when the follow-up filter pressing is carried out due to the limitation of a stirring structure, the mixed solution is required to be transferred, the integral stirring filter pressing cannot be realized, the operation steps and the operation time are increased, and meanwhile, the wastewater treatment efficiency is influenced to a certain extent.
In addition, after the mixed solution filter pressing is completed, a large amount of gypsum precipitates can remain in the filter pressing equipment, and due to the structural limitation of the filter pressing equipment and the characteristics of the gypsum precipitates, the cleaning difficulty of the gypsum precipitates is high, the labor is consumed, the cleaning time is long, and the integral filter pressing efficiency is seriously influenced.
Therefore, it is necessary to solve the above problems by inventing a method for jointly utilizing the iron-based pigment wastewater and the reduced titanium tail gas.
Disclosure of Invention
The invention aims to provide a method for jointly utilizing iron pigment wastewater and reduced titanium tail gas, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the method for jointly utilizing the iron-based pigment wastewater and the reduced titanium tail gas is realized through equipment for jointly utilizing the iron-based pigment wastewater and the reduced titanium tail gas, the equipment for jointly utilizing the iron-based pigment wastewater and the reduced titanium tail gas comprises an upper shell, a locking hole is formed in the top of the left side of the upper shell, a lower shell is fixedly arranged at the bottom of the outer side of the upper shell, a conveyor belt is fixedly arranged in the lower shell, and a liquid discharge pipeline is fixedly arranged on the right side of the lower shell in a penetrating manner;
the device comprises an upper shell, a lower shell, a stirring and discharging mechanism, a supporting and filtering mechanism, a plugging mechanism and a triggering limiting mechanism, wherein the driving mechanism is arranged in the upper shell and the lower shell, the stirring and discharging mechanism and the supporting and filtering mechanism are sequentially arranged outside the driving mechanism from top to bottom, the plugging mechanism is arranged at the bottom of the supporting and filtering mechanism, and the triggering limiting mechanism is arranged on two sides of the upper shell;
the driving mechanism comprises a reciprocating screw rod, a driving motor and a bottom plate;
the reciprocating screw penetrates through the top of the upper shell, extends into the lower shell and is in rotary connection with the upper shell through a bearing, the driving motor is fixedly arranged at the top of the upper shell and is in transmission connection with the reciprocating screw, and the bottom plate is rotatably sleeved at the bottom of the outer side of the reciprocating screw through the bearing and is fixedly arranged in the lower shell;
the stirring and discharging mechanism comprises an annular inner scraping plate, a stirring rod, a movable ring, a locking groove, an annular outer scraping plate, a sliding chamber, a sliding plate, a fixed sleeve plate and a first spring;
the utility model discloses a scraper blade is connected in the annular in scraper blade cover sets up in the reciprocating screw outside and with reciprocating screw drive connection, the puddler slip runs through annular in scraper blade and with expansion ring fixed connection, the locking groove is provided with a plurality of, a plurality of the locking groove evenly sets up in annular in scraper blade outside, annular outer scraper blade passes through the bearing and rotates the cover and set up in annular in scraper blade outside and slide the nested setting in the interior of last casing along vertical direction, the slip cavity is seted up in annular outer scraper blade inside, the slip board slip runs through and sets up in annular outer scraper blade left side and its left end is located the locking hole inboard, fixed sleeve plate and first spring all cup joint and set up in the slip board outside, fixed sleeve plate slip sets up in slip cavity inside and with slip board fixed connection, first spring is fixed to be set up between fixed sleeve plate and slip cavity inner wall.
Preferably, the bearing filter mechanism comprises a bearing plate, a filter hole, a U-shaped limiting rod and a second spring.
Preferably, the support plate is slidably sleeved outside the reciprocating screw rod, the filtering holes are formed in a plurality of holes, the filtering holes uniformly penetrate through the top of the support plate, the U-shaped limiting rods are two, the U-shaped limiting rods are fixedly arranged on two sides of the bottom of the support plate respectively and are slidably nested in the bottom of the upper shell, and the second springs are sleeved outside the reciprocating screw rod and fixedly arranged between the support plate and the bottom plate.
Preferably, the plugging mechanism comprises a movable plate, a third spring, a plugging column and a liquid discharge column.
Preferably, the movable plate is slidably sleeved outside the reciprocating screw, the third spring is sleeved outside the reciprocating screw and fixedly arranged between the movable plate and the bottom plate, the plugging columns and the liquid discharge columns are all provided with a plurality of holes, the plugging columns are slidably arranged inside the plurality of filtering holes respectively and are fixedly connected with the third spring, and the liquid discharge columns are fixedly arranged at the tops of the plurality of plugging columns respectively.
Preferably, the trigger limiting mechanism comprises a trigger pin, a limiting sleeve, a fourth spring, a limiting pin and a fifth spring.
Preferably, the trigger pin is slidably provided with the locking hole inside, the limit sleeve is sleeved on the outer side of the trigger pin and fixedly connected with the upper shell, the fourth spring is sleeved on the outer side of the limit sleeve and fixedly arranged between the trigger pin and the upper shell, the limit pin is slidably penetrated on the right side of the trigger pin, and the fifth spring is sleeved on the outer side of the limit pin and fixedly arranged between the limit pin and the upper shell.
Preferably, the method specifically comprises the following steps:
s1, adding clear mother liquor, reverse osmosis concentrated liquor and calcium-containing alkaline substances into an upper shell to form mixed liquor and adjust pH value, gradually forming gypsum precipitate in the mixed liquor, starting a driving motor, driving a reciprocating screw to continuously rotate after the driving motor is started, and driving the annular inner scraping plate to synchronously rotate by the reciprocating screw due to lack of positioning of the annular inner scraping plate in the rotating process of the reciprocating screw, and driving two stirring rods to synchronously rotate when the annular inner scraping plate rotates, wherein the stirring rods drive the mixed liquor to synchronously rotate at the top of a supporting plate in the rotating process of the stirring rods, and a plurality of liquid discharging columns continuously stir and mix the mixed liquor uniformly in the process;
s2, pressing the trigger pin after uniformly mixing to enable the trigger pin to continuously move right along the locking hole, compressing the fourth spring in the process of moving the trigger pin right, pushing the sliding plate, driving the fixed sleeve plate to compress the first spring after pushing the sliding plate, and enabling the end part of the sliding plate to enter any locking groove outside the annular inner scraping plate, so that the annular inner scraping plate is locked;
s3, along with the continuous rotation of the reciprocating screw, the reciprocating screw drives the annular inner scraping plate and the annular outer scraping plate to continuously descend, at the moment, the annular inner scraping plate does not drive the stirring rod to rotate any more, when the descending distance of the annular inner scraping plate reaches a first threshold value, the horizontal height of the annular inner scraping plate is lower than the heights of the left side feeding hopper of the upper shell and the right side input pipeline of the upper shell, at the moment, a sealing cavity is formed among the annular inner scraping plate, the annular outer scraping plate, the bearing plate and the inner wall of the upper shell, and along with the continuous descent of the annular inner scraping plate, the inside of the sealing cavity is gradually pressurized;
s4, when the descending distance of the annular inner scraping plate reaches a second threshold value, the bottom of the annular inner scraping plate is contacted with the top of the liquid discharge column, and then the annular inner scraping plate pushes the liquid discharge column downwards along with the continuous descending of the annular inner scraping plate, the liquid discharge column is driven to synchronously move downwards when moving downwards, and the movable plate is driven to compress the third spring when moving downwards;
s5, when the descending distance of the annular inner scraping plate reaches a third threshold value, the blocking column moves out from the inner side of the filter hole, and the liquid draining column cannot block the filter hole because the diameter of the liquid draining column is smaller than the inner diameter of the filter hole, so that mixed liquid in the sealing chamber continuously flows downwards into the shell through a gap between the filter hole and the liquid draining column under the action of gravity and pressure, and then falls into the bottom of the inner cavity of the lower shell from a gap between the conveying belt and the inner wall of the lower shell for liquid to pass through, and finally is output and collected through the liquid draining pipeline;
s6, adjusting the pH value of the collected filtrate, introducing purified reduced titanium tail gas into the filtrate for contact reaction until no new precipitate is generated, and finally, carrying out ceramic membrane separation on the reacted material again, and carrying out MVR concentration on the separated clear liquid to obtain the MVR mother liquor capable of being recycled;
s7, when the descending distance of the annular inner scraping plate reaches a fourth threshold value, completing mixed hydraulic filtration, only reserving gypsum sediment in the sealing cavity, and then pushing the bearing plate by the annular inner scraping plate through the gypsum sediment along with the continuous descending of the annular inner scraping plate, so that the bearing plate compresses the second spring, and simultaneously driving the U-shaped limiting rod to continuously slide downwards in the upper shell;
s8, when the descending distance of the annular inner scraping plate reaches a fifth threshold value, the supporting plate moves from the inner side of the upper shell to the inner side of the lower shell, the inner wall of the upper shell no longer blocks gypsum precipitation at the top of the supporting plate, at the moment, the gypsum precipitation slides down along the inclined plane at the top of the supporting plate under the action of pressure, and finally falls on the top of the conveying belt to be output;
and S9, when the descending distance of the annular inner scraping plate reaches a sixth threshold value, the annular inner scraping plate moves to the topmost end of the reciprocating thread on the outer side of the reciprocating screw rod, and then moves upwards to reset along with the continuous rotation of the reciprocating screw rod, and after the annular inner scraping plate drives the annular outer scraping plate to reach an initial position, the first spring pushes the fixed sleeve plate, so that the sliding plate moves out of the inner side of the locking groove and enters the locking hole again.
The invention has the technical effects and advantages that:
according to the invention, the driving mechanism, the stirring and discharging mechanism, the bearing and filtering mechanism, the plugging mechanism and the triggering limiting mechanism are arranged, so that the driving mechanism is used for driving the stirring and discharging mechanism, the stirring and discharging mechanism is used for continuously stirring mixed liquid, the mixed liquid is uniformly mixed, the triggering limiting mechanism is used for punishing the stirring and discharging mechanism, the driving mechanism is used for driving the stirring and discharging mechanism to continuously move downwards, attachments on the inner wall of the upper shell can be cleaned when the stirring and discharging mechanism moves downwards, the plugging mechanism and the bearing and filtering mechanism can be triggered successively, the plugging mechanism is triggered, the plugging of the bearing and filtering mechanism is released, the mixed liquid is filtered by the bearing and filtering mechanism, and the bearing and filtering mechanism is used for driving gypsum sediment to be transferred from the inside of the upper shell to the inside of the lower shell and be automatically output.
Drawings
Fig. 1 is a schematic diagram of the overall front sectional structure of the present invention.
Fig. 2 is a schematic sectional elevation view of a part of the driving mechanism and the trigger limiting mechanism of the present invention.
FIG. 3 is a schematic diagram showing a cross-sectional front view of the stirring and discharging mechanism of the present invention.
FIG. 4 is a schematic cross-sectional elevation view of a support filter mechanism according to the present invention.
Fig. 5 is a schematic diagram showing a front sectional structure of the plugging mechanism of the present invention.
In the figure: 1. an upper housing; 2. a lower housing; 3. a driving mechanism; 31. a reciprocating screw; 32. a driving motor; 33. a bottom plate; 4. a stirring and discharging mechanism; 41. an annular inner scraper; 42. a stirring rod; 43. a movable ring; 44. a locking groove; 45. an annular outer scraper; 46. a sliding chamber; 47. a sliding plate; 48. fixing the sleeve plate; 49. a first spring; 5. a supporting and filtering mechanism; 51. a bearing plate; 52. filtering holes; 53. a U-shaped limit rod; 54. a second spring; 6. a plugging mechanism; 61. a movable plate; 62. a third spring; 63. plugging the column; 64. a liquid discharge column; 7. triggering a limiting mechanism; 71. a trigger pin; 72. a limit sleeve; 73. a fourth spring; 74. a limiting pin; 75. and a fifth spring.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
The invention provides a method for jointly utilizing iron-based pigment waste water and reduced titanium tail gas, which is shown in figures 1-5, wherein the method for jointly utilizing iron-based pigment waste water and reduced titanium tail gas is realized through equipment for jointly utilizing iron-based pigment waste water and reduced titanium tail gas, the equipment for jointly utilizing iron-based pigment waste water and reduced titanium tail gas comprises an upper shell 1, a locking hole is formed in the top of the left side of the upper shell 1, a lower shell 2 is fixedly arranged at the bottom of the outer side of the upper shell 1, a conveying belt is fixedly arranged in the lower shell 2, and a liquid discharge pipeline is fixedly arranged on the right side of the lower shell 2 in a penetrating manner.
As shown in fig. 1, a driving mechanism 3 is commonly arranged inside the upper casing 1 and the lower casing 2, a stirring and discharging mechanism 4 and a supporting and filtering mechanism 5 are sequentially arranged outside the driving mechanism 3 from top to bottom, a plugging mechanism 6 is arranged at the bottom of the supporting and filtering mechanism 5, and trigger limiting mechanisms 7 are commonly arranged at two sides of the upper casing 1.
As shown in fig. 2 and 4, the driving mechanism 3 includes a reciprocating screw 31, a driving motor 32 and a bottom plate 33, wherein the reciprocating screw 31 penetrates through the top of the upper housing 1 and extends into the lower housing 2 and is rotationally connected with the upper housing 1 through a bearing, the driving motor 32 is fixedly arranged at the top of the upper housing 1 and is in transmission connection with the reciprocating screw 31, and the bottom plate 33 is rotationally sleeved at the bottom of the outer side of the reciprocating screw 31 through a bearing and is fixedly arranged in the lower housing 2.
As shown in fig. 3, the stirring and discharging mechanism 4 includes an annular inner scraper 41, a stirring rod 42, a movable ring 43, a locking groove 44, an annular outer scraper 45, a sliding chamber 46, a sliding plate 47, a fixed sleeve plate 48 and a first spring 49, wherein the annular inner scraper 41 is sleeved outside the reciprocating screw 31 and is in transmission connection with the reciprocating screw 31, the stirring rod 42 slidably penetrates through the annular inner scraper 41 and is fixedly connected with the movable ring 43, the locking groove 44 is provided with a plurality of locking grooves 44, the locking groove 44 is uniformly formed outside the annular inner scraper 41, the annular outer scraper 45 is rotatably sleeved outside the annular inner scraper 41 through a bearing and is slidably nested in the upper housing 1 along a vertical direction, the sliding chamber 46 is formed inside the annular outer scraper 45, the sliding plate 47 is slidably penetrated on the left side of the annular outer scraper 45 and the left end of the sliding plate 48 is positioned inside the locking hole, the fixed sleeve plate 48 and the first spring 49 are sleeved outside the sliding plate 47, the fixed sleeve plate 48 is slidably arranged inside the sliding chamber 46 and is fixedly connected with the sliding plate 47, and the first spring 49 is fixedly arranged between the fixed sleeve plate 48 and the sliding plate 46.
Through setting up above-mentioned structure to the fixed sleeve plate 48 of drive is compressed first spring 49 after the sliding plate 47 is promoted, and its tip enters into the arbitrary locking groove 44 in annular interior scraper 41 outside simultaneously, and then lock annular interior scraper 41, along with reciprocating screw 31's continuation rotation, reciprocating screw 31 drives annular interior scraper 41 and annular outer scraper 45 and continuously descends, annular interior scraper 41 no longer drives puddler 42 rotation this moment, annular interior scraper 41 decline distance reaches first threshold time, annular interior scraper 41 horizontal height is less than the height of upper housing 1 left side hopper and upper housing 1 right side input pipeline, form sealed cavity between annular interior scraper 41 this moment, annular outer scraper 45, the spanners 51 and the upper housing 1 inner wall, follow-up annular interior scraper 41's continuation decline, gradually the pressure boost in the sealed cavity.
As shown in fig. 4, the supporting and filtering mechanism 5 includes a supporting plate 51, a filtering hole 52, a U-shaped limiting rod 53 and a second spring 54, where the supporting plate 51 is slidably sleeved on the outer side of the reciprocating screw 31, the filtering hole 52 is provided with a plurality of filtering holes 52 uniformly penetrating through the top of the supporting plate 51, the U-shaped limiting rods 53 are provided with two, the two U-shaped limiting rods 53 are fixedly arranged on two sides of the bottom of the supporting plate 51 respectively and are slidably nested on the bottom of the upper casing 1, and the second spring 54 is sleeved on the outer side of the reciprocating screw 31 and is fixedly arranged between the supporting plate 51 and the bottom plate 33.
Through setting up above-mentioned structure to along with the continuation decline of annular inner scraper 41, annular inner scraper 41 promotes the supporting plate 51 through the gypsum deposit, and then makes supporting plate 51 compress second spring 54, drives U-shaped gag lever post 53 simultaneously and continuously glide in last casing 1 inside, until supporting plate 51 is moved to the inside of lower casing 2 by last casing 1 inboard, and the gypsum deposit at supporting plate 51 top is no longer blockked to last casing 1 inner wall, and the gypsum deposit is down the landing along supporting plate 51 top inclined plane under the effect of pressure this moment, finally falls at the conveyer belt top and is exported.
As shown in fig. 5, the plugging mechanism 6 includes a movable plate 61, a third spring 62, a plugging column 63 and a liquid draining column 64, wherein the movable plate 61 is slidably sleeved on the outer side of the reciprocating screw 31, the third spring 62 is sleeved on the outer side of the reciprocating screw 31 and fixedly arranged between the movable plate 61 and the bottom plate 33, the plugging column 63 and the liquid draining column 64 are respectively provided with a plurality of plugging columns 63 which are respectively slidably arranged on the inner sides of the plurality of filtering holes 52 and are respectively fixedly connected with the third spring 62, and the liquid draining column 64 is respectively fixedly arranged at the tops of the plurality of plugging columns 63.
Through setting up above-mentioned structure to drive two puddlers 42 synchronous rotation when rotatory in the annular scraper blade 41, the puddler 42 rotatory in-process drives the mixed liquor and rotates in step at carrier plate 51 top, in this process, a plurality of liquid discharge columns 64 continuously stir the misce bene, in addition, when annular scraper blade 41 will be discharged liquid column 64 and promote downwards, liquid discharge column 64 drives shutoff post 63 synchronous move down, then drive fly leaf 61 and compress third spring 62 when shutoff post 63 moves down, follow the continuous move down of annular scraper blade 41, shutoff post 63 is shifted out by the filtration pore 52 inboard, because liquid discharge column 64 diameter is less than the filtration pore 52 internal diameter, consequently, liquid discharge column 64 can't block up filtration pore 52, at this moment under gravity and pressure effect, the inside mixed liquor of sealed cavity continuously wears to filter pore 52 and liquid discharge column 64 is inside to flow down casing 2, and then by the clearance that supplies liquid to pass between conveyer belt and the inner wall of lower casing 2 falls into the bottom of lower casing 2 inner chamber, finally be exported through the drain pipe and collect.
As shown in fig. 2, the trigger limiting mechanism 7 includes a trigger pin 71, a limiting sleeve 72, a fourth spring 73, a limiting pin 74 and a fifth spring 75, where the trigger pin 71 is slidably disposed inside the locking hole, the limiting sleeve 72 is sleeved outside the trigger pin 71 and fixedly connected with the upper housing 1, the fourth spring 73 is sleeved outside the limiting sleeve 72 and fixedly disposed between the trigger pin 71 and the upper housing 1, the limiting pin 74 is slidably penetrating through the right side of the trigger pin 71, and the fifth spring 75 is sleeved outside the limiting pin 74 and fixedly disposed between the limiting pin 74 and the upper housing 1.
Through setting up above-mentioned structure to press the trigger pin 71, make the trigger pin 71 follow the locking hole and continue the right movement, the trigger pin 71 moves the in-process to the right and compresses fourth spring 73, promote the sliding plate 47 simultaneously, in addition when annular outer scraper blade 45 moves up the in-process, annular outer scraper blade 45 can promote spacer pin 74, and then make spacer pin 74 move outwards stretch fifth spring 75, when follow-up annular outer scraper blade 45 moves to spacer pin 74 top, fifth spring 75 drives spacer pin 74 and resets, spacer pin 74 supports annular outer scraper blade 45 this moment.
Example 2
The method specifically comprises the following steps:
s1, adding mother liquor clear liquid, reverse osmosis concentrated liquid and calcium-containing alkaline substances into an upper shell 1 to form mixed liquor, regulating pH value, gradually forming gypsum precipitate in the mixed liquor, starting a driving motor 32, driving a reciprocating screw 31 to continuously rotate after the driving motor 32 is started, and driving the reciprocating screw 31 to synchronously rotate due to the lack of positioning of an annular inner scraping plate 41 in the rotating process of the reciprocating screw 31, driving two stirring rods 42 to synchronously rotate when the annular inner scraping plate 41 rotates, driving the mixed liquor to synchronously rotate at the top of a supporting plate 51 in the rotating process of the stirring rods 42, and continuously stirring and uniformly mixing the mixed liquor by a plurality of liquid discharging columns 64 in the rotating process;
s2, pressing the trigger pin 71 after uniformly mixing, enabling the trigger pin 71 to continuously move right along the locking hole, compressing the fourth spring 73 in the process of moving the trigger pin 71 right, pushing the sliding plate 47, driving the fixed sleeve plate 48 to compress the first spring 49 after pushing the sliding plate 47, and enabling the end part of the fixed sleeve plate to enter any one of the locking grooves 44 outside the annular inner scraping plate 41, so as to lock the annular inner scraping plate 41;
s3, along with the continuous rotation of the reciprocating screw 31, the reciprocating screw 31 drives the annular inner scraping plate 41 and the annular outer scraping plate 45 to continuously descend, at the moment, the annular inner scraping plate 41 does not drive the stirring rod 42 to rotate any more, when the descending distance of the annular inner scraping plate 41 reaches a first threshold value, the horizontal height of the annular inner scraping plate 41 is lower than the heights of the left side hopper of the upper shell 1 and the right side input pipeline of the upper shell 1, at the moment, a sealing cavity is formed among the annular inner scraping plate 41, the annular outer scraping plate 45, the bearing plate 51 and the inner wall of the upper shell 1, and along with the continuous descent of the annular inner scraping plate 41, the inside of the sealing cavity is gradually pressurized;
s4, when the descending distance of the annular inner scraping plate 41 reaches a second threshold value, the bottom of the annular inner scraping plate 41 is contacted with the top of the liquid discharge column 64, and then the annular inner scraping plate 41 pushes the liquid discharge column 64 downwards along with the continuous descending of the annular inner scraping plate 41, when the liquid discharge column 64 moves downwards, the blocking column 63 is driven to synchronously move downwards, and when the blocking column 63 moves downwards, the movable plate 61 is driven to compress the third spring 62;
s5, when the descending distance of the annular inner scraping plate 41 reaches a third threshold value, the blocking column 63 moves out from the inner side of the filter hole 52, and the liquid discharge column 64 cannot block the filter hole 52 because the diameter of the liquid discharge column 64 is smaller than the inner diameter of the filter hole 52, at the moment, under the action of gravity and pressure, the mixed liquid in the sealed cavity continuously passes through a gap between the filter hole 52 and the liquid discharge column 64 to flow into the lower shell 2, and then falls into the bottom of the inner cavity of the lower shell 2 from a gap between the conveyor belt and the inner wall of the lower shell 2 for liquid to pass through, and finally is output and collected through a liquid discharge pipeline;
s6, adjusting the pH value of the collected filtrate, introducing purified reduced titanium tail gas into the filtrate for contact reaction until no new precipitate is generated, and finally, carrying out ceramic membrane separation on the reacted material again, and carrying out MVR concentration on the separated clear liquid to obtain the MVR mother liquor capable of being recycled;
s7, when the descending distance of the annular inner scraping plate 41 reaches a fourth threshold value, the mixed hydraulic filtration is completed, only gypsum sediment is reserved in the sealing chamber, and then the annular inner scraping plate 41 pushes the supporting plate 51 through the gypsum sediment along with the continuous descending of the annular inner scraping plate 41, so that the supporting plate 51 compresses the second spring 54, and meanwhile, the U-shaped limiting rod 53 is driven to continuously slide downwards in the upper shell 1;
s8, when the descending distance of the annular inner scraping plate 41 reaches a fifth threshold value, the supporting plate 51 moves from the inner side of the upper shell 1 to the inner side of the lower shell 2, the inner wall of the upper shell 1 no longer blocks gypsum precipitation at the top of the supporting plate 51, at the moment, the gypsum precipitation slides downwards along the inclined plane at the top of the supporting plate 51 under the action of pressure, and finally falls on the top of the conveyor belt to be output;
and S9, when the descending distance of the annular inner scraping plate 41 reaches a sixth threshold value, the annular inner scraping plate 41 moves to the topmost end of the reciprocating thread on the outer side of the reciprocating screw rod 31, and then the annular inner scraping plate 41 moves upwards to reset along with the continuous rotation of the reciprocating screw rod 31, and after the annular inner scraping plate 41 drives the annular outer scraping plate 45 to reach an initial position, the first spring 49 pushes the fixed sleeve plate 48, so that the sliding plate 47 moves out of the inner side of the locking groove 44 and enters the locking hole again.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present invention, and although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present invention.
Claims (8)
1. A method for jointly utilizing iron pigment wastewater and reduced titanium tail gas is characterized in that: the method for jointly utilizing the iron-based pigment wastewater and the reduced titanium tail gas is realized through equipment for jointly utilizing the iron-based pigment wastewater and the reduced titanium tail gas, the equipment for jointly utilizing the iron-based pigment wastewater and the reduced titanium tail gas comprises an upper shell (1), a locking hole is formed in the top of the left side of the upper shell (1), a lower shell (2) is fixedly arranged at the bottom of the outer side of the upper shell (1), a conveyor belt is fixedly arranged in the lower shell (2), and a liquid discharge pipeline is fixedly arranged on the right side of the lower shell (2) in a penetrating manner;
the device is characterized in that a driving mechanism (3) is arranged inside the upper shell (1) and the lower shell (2) together, a stirring and discharging mechanism (4) and a supporting and filtering mechanism (5) are sequentially arranged outside the driving mechanism (3) from top to bottom, a plugging mechanism (6) is arranged at the bottom of the supporting and filtering mechanism (5), and a triggering limiting mechanism (7) is arranged on two sides of the upper shell (1) together;
the driving mechanism (3) comprises a reciprocating screw (31), a driving motor (32) and a bottom plate (33);
the reciprocating screw (31) penetrates through the top of the upper shell (1) and extends into the lower shell (2) and is rotationally connected with the upper shell (1) through a bearing, the driving motor (32) is fixedly arranged at the top of the upper shell (1) and is in transmission connection with the reciprocating screw (31), and the bottom plate (33) is rotationally sleeved at the bottom of the outer side of the reciprocating screw (31) through the bearing and is fixedly arranged in the lower shell (2);
the stirring and discharging mechanism (4) comprises an annular inner scraping plate (41), a stirring rod (42), a movable ring (43), a locking groove (44), an annular outer scraping plate (45), a sliding chamber (46), a sliding plate (47), a fixed sleeve plate (48) and a first spring (49);
the utility model provides a scraper blade (41) cup joints and sets up in reciprocating screw (31) outside and is connected with reciprocating screw (31) transmission, puddler (42) slip runs through annular interior scraper blade (41) and with expansion ring (43) fixed connection, locking groove (44) are provided with a plurality of, a plurality of locking groove (44) are evenly offered in annular interior scraper blade (41) outside, annular outer scraper blade (45) cup joint the setting in annular interior scraper blade (41) outside and slide the nested setting in vertical direction inside last casing (1) through the bearing rotation, slide cavity (46) are offered in annular outer scraper blade (45) inside, slide plate (47) slip runs through and sets up in annular outer scraper blade (45) left side and its left end is located the locking hole inboard, fixed sleeve plate (48) all cup joints in slide plate (47) outside with first spring (49), fixed sleeve plate (48) slip sets up in slide cavity (46) inside and with slide plate (47) fixed connection, first spring (49) are fixed to be set up between fixed sleeve plate (46) and slide cavity (46).
2. The method for jointly utilizing iron-based pigment wastewater and reduced titanium tail gas according to claim 1, which is characterized in that: the bearing and filtering mechanism (5) comprises a bearing plate (51), a filtering hole (52), a U-shaped limiting rod (53) and a second spring (54).
3. The method for jointly utilizing iron-based pigment wastewater and reduced titanium tail gas according to claim 2, which is characterized in that: the bearing plate (51) is sleeved on the outer side of the reciprocating screw (31) in a sliding mode, a plurality of filtering holes (52) are formed in the outer side of the reciprocating screw (31), the filtering holes (52) are uniformly formed in the top of the bearing plate (51) in a penetrating mode, two U-shaped limiting rods (53) are arranged on the two sides of the bottom of the bearing plate (51) in a sleeved mode, the two U-shaped limiting rods (53) are fixedly arranged on the two sides of the bottom of the bearing plate (51) respectively and are arranged on the bottom of the upper shell (1) in a sliding nested mode, and a second spring (54) is sleeved on the outer side of the reciprocating screw (31) and is fixedly arranged between the bearing plate (51) and the bottom plate (33).
4. The method for jointly utilizing iron-based pigment wastewater and reduced titanium tail gas according to claim 3, which is characterized in that: the blocking mechanism (6) comprises a movable plate (61), a third spring (62), a blocking column (63) and a liquid draining column (64).
5. The method for jointly utilizing iron-based pigment wastewater and reduced titanium tail gas according to claim 4, which is characterized in that: the movable plate (61) is sleeved outside the reciprocating screw (31) in a sliding manner, the third spring (62) is sleeved outside the reciprocating screw (31) and fixedly arranged between the movable plate (61) and the bottom plate (33), a plurality of blocking columns (63) and liquid draining columns (64) are arranged, the blocking columns (63) are respectively and slidably arranged inside the plurality of filtering holes (52) and are fixedly connected with the third spring (62), and the liquid draining columns (64) are respectively and fixedly arranged at the tops of the plurality of blocking columns (63).
6. The method for jointly utilizing iron-based pigment wastewater and reduced titanium tail gas according to claim 5, which is characterized in that: the trigger limiting mechanism (7) comprises a trigger pin (71), a limiting sleeve (72), a fourth spring (73), a limiting pin (74) and a fifth spring (75).
7. The method for jointly utilizing iron-based pigment wastewater and reduced titanium tail gas according to claim 6, which is characterized in that: the trigger pin (71) is provided with the locking hole inboard in a sliding manner, the limit sleeve (72) is sleeved on the outer side of the trigger pin (71) and is fixedly connected with the upper shell (1), the fourth spring (73) is sleeved on the outer side of the limit sleeve (72) and is fixedly arranged between the trigger pin (71) and the upper shell (1), the limit pin (74) is arranged on the right side of the trigger pin (71) in a sliding manner in a penetrating manner, and the fifth spring (75) is sleeved on the outer side of the limit pin (74) and is fixedly arranged between the limit pin (74) and the upper shell (1).
8. The method for jointly utilizing iron-based pigment wastewater and reduced titanium tail gas according to claim 7, which is characterized by comprising the following steps:
s1, adding mother liquor clear liquid, reverse osmosis concentrated solution and calcium-containing alkaline substances into an upper shell (1) to form mixed liquor and adjust pH value, gradually forming gypsum precipitate in the mixed liquor, starting a driving motor (32), driving a reciprocating screw (31) to continuously rotate after the driving motor (32) is started, and in the rotating process of the reciprocating screw (31), the reciprocating screw (31) drives the annular inner scraping plate (41) to synchronously rotate due to the lack of positioning of the annular inner scraping plate (41), and the annular inner scraping plate (41) drives two stirring rods (42) to synchronously rotate when rotating, and the stirring rods (42) drive the mixed liquor to synchronously rotate at the top of a supporting plate (51) in the rotating process of the stirring rods, so that a plurality of liquid discharging columns (64) continuously stir and mix the mixed liquor uniformly;
s2, pressing the trigger pin (71) after uniformly mixing, enabling the trigger pin (71) to continuously move right along the locking hole, compressing the fourth spring (73) in the right moving process of the trigger pin (71), pushing the sliding plate (47), driving the fixed sleeve plate (48) to compress the first spring (49) after pushing the sliding plate (47), and enabling the end part of the fixed sleeve plate to enter any locking groove (44) outside the annular inner scraping plate (41) so as to lock the annular inner scraping plate (41);
s3, along with the continuous rotation of the reciprocating screw rod (31), the reciprocating screw rod (31) drives the annular inner scraping plate (41) and the annular outer scraping plate (45) to continuously descend, at the moment, the annular inner scraping plate (41) does not drive the stirring rod (42) to rotate any more, when the descending distance of the annular inner scraping plate (41) reaches a first threshold value, the horizontal height of the annular inner scraping plate (41) is lower than the heights of a left side hopper of the upper shell (1) and an input pipeline on the right side of the upper shell (1), at the moment, a sealing cavity is formed among the annular inner scraping plate (41), the annular outer scraping plate (45), the bearing plate (51) and the inner wall of the upper shell (1), and the sealing cavity is gradually pressurized along with the continuous descent of the annular inner scraping plate (41);
s4, when the descending distance of the annular inner scraping plate (41) reaches a second threshold value, the bottom of the annular inner scraping plate (41) is contacted with the top of the liquid discharge column (64), the annular inner scraping plate (41) pushes the liquid discharge column (64) downwards along with the continuous descending of the annular inner scraping plate (41), the liquid discharge column (64) is driven to synchronously move downwards when the liquid discharge column (64) moves downwards, and the movable plate (61) is driven to compress the third spring (62) when the liquid discharge column (63) moves downwards;
s5, when the descending distance of the annular inner scraping plate (41) reaches a third threshold value, the blocking column (63) is moved out from the inner side of the filtering hole (52), and the diameter of the liquid discharging column (64) is smaller than the inner diameter of the filtering hole (52), so that the liquid discharging column (64) cannot block the filtering hole (52), at the moment, under the action of gravity and pressure, mixed liquid in the sealed cavity continuously flows into the lower shell (2) through a gap between the filtering hole (52) and the liquid discharging column (64), and then falls into the bottom of an inner cavity of the lower shell (2) from a gap between the conveyor belt and the inner wall of the lower shell (2) for liquid to pass through, and finally is output and collected through a liquid discharging pipeline;
s6, adjusting the pH value of the collected filtrate, introducing purified reduced titanium tail gas into the filtrate for contact reaction until no new precipitate is generated, and finally, carrying out ceramic membrane separation on the reacted material again, and carrying out MVR concentration on the separated clear liquid to obtain the MVR mother liquor capable of being recycled;
s7, when the descending distance of the annular inner scraping plate (41) reaches a fourth threshold value, the mixed hydraulic filtration is completed, only gypsum sediment is reserved in the sealing chamber, and then the annular inner scraping plate (41) pushes the supporting plate (51) through the gypsum sediment along with the continuous descending of the annular inner scraping plate (41), so that the supporting plate (51) compresses the second spring (54), and meanwhile drives the U-shaped limiting rod (53) to continuously slide downwards in the upper shell (1);
s8, when the descending distance of the annular inner scraping plate (41) reaches a fifth threshold value, the supporting plate (51) moves from the inner side of the upper shell (1) to the inner side of the lower shell (2), the inner wall of the upper shell (1) does not block gypsum precipitation at the top of the supporting plate (51), at the moment, the gypsum precipitation slides downwards along the inclined plane at the top of the supporting plate (51) under the action of pressure, and finally falls on the top of the conveyor belt to be output;
s9, when the descending distance of the annular inner scraping plate (41) reaches a sixth threshold value, the annular inner scraping plate (41) moves to the topmost end of the reciprocating thread on the outer side of the reciprocating screw rod (31), the annular inner scraping plate (41) moves upwards to reset along with the continuous rotation of the reciprocating screw rod (31), and after the annular inner scraping plate (41) drives the annular outer scraping plate (45) to reach an initial position, the first spring (49) pushes the fixed sleeve plate (48), so that the sliding plate (47) moves out of the inner side of the locking groove (44) and enters the locking hole again.
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| CN202310983208.9A CN116768418A (en) | 2023-08-07 | 2023-08-07 | Method for jointly utilizing iron pigment wastewater and reduced titanium tail gas |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115779818A (en) * | 2022-12-13 | 2023-03-14 | 江西嘉源香料有限公司 | Method for synthesizing musk tonalide |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115779818A (en) * | 2022-12-13 | 2023-03-14 | 江西嘉源香料有限公司 | Method for synthesizing musk tonalide |
| CN115779818B (en) * | 2022-12-13 | 2024-05-24 | 江西嘉源香料有限公司 | Method for synthesizing tolna musk |
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