CN212051173U - Device for improving water-soluble phosphorus in ammonium phosphate neutralization slag - Google Patents
Device for improving water-soluble phosphorus in ammonium phosphate neutralization slag Download PDFInfo
- Publication number
- CN212051173U CN212051173U CN202020568393.7U CN202020568393U CN212051173U CN 212051173 U CN212051173 U CN 212051173U CN 202020568393 U CN202020568393 U CN 202020568393U CN 212051173 U CN212051173 U CN 212051173U
- Authority
- CN
- China
- Prior art keywords
- weighing
- tank
- tank body
- ammonium phosphate
- sulfuric acid
- 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
- Processing Of Solid Wastes (AREA)
Abstract
A device for improving the water-soluble phosphorus in ammonium phosphate neutralized slag comprises a bracket, wherein a plurality of weighing hoppers are mounted at the top end of the bracket, a material port opening mechanism is correspondingly arranged at the lower end of each weighing hopper, and the material port opening mechanism opens or closes openings of the weighing hoppers; a second screw conveyor is transversely arranged below the weighing hoppers, a feed port corresponding to the weighing hoppers is formed in the upper end of the second screw conveyor, and a discharge port is formed in the lower end of the second screw conveyor; a heating and stirring tank is arranged below the discharge port and comprises a tank body, a sulfuric acid inlet is arranged on the tank body, and the sulfuric acid inlet is connected with an automatic sulfuric acid adding mechanism; a spiral stirring rod is arranged in the tank body and is driven to rotate by a stirring motor; the tank body is externally provided with a heating interlayer, the heating interlayer keeps a gap with the side wall of the tank body, and a heating pipe is arranged in the gap. The utility model provides a pair of improve device of water-soluble phosphorus in ammonium phosphate neutralization slag can quantitative unloading and react the synthesis under the uniform temperature.
Description
Technical Field
The utility model relates to a chemical fertilizer preparation field, especially a device for improving water-soluble phosphorus in ammonium phosphate neutralization slag.
Background
The wet process phosphoric acid production process adopted by the existing company is a dihydrate process, in the production process, neutralized slurry is naturally settled in a settling tank, the upper layer is ammonium phosphate clear liquid with low solid content, and the bottom is ammonium phosphate neutralized slag with high solid content. The ammonium phosphate neutralization slag is used for producing agricultural compound fertilizer after being filtered. Because ammonium phosphate neutralization slag contains a large amount of citrate soluble phosphorus which is not easy to be absorbed by plants, the problem to be solved in the current fertilizer production process is how to improve the yield of the citrate soluble phosphorus and reduce the yield of the citrate soluble phosphorus.
The patent with the application number of '201910095327.4' relates to a production method for improving the water-soluble phosphorus content of citrate-soluble phosphorus fertilizer, which replaces the operation mode, but does not provide specific equipment, particularly on the process of mixing reaction.
Disclosure of Invention
The utility model aims to solve the technical problem that a device for improving water-soluble phosphorus in ammonium phosphate neutralization slag is provided, can automatic ration unloading, and keep the uniform temperature for three kinds of materials carry out fine mixed reaction, for follow-up
The content of water-soluble phosphorus in ammonium phosphate neutralization slag is improved, the practical operable basis is improved, and the feasibility is improved for subsequent production of high-quality agricultural compound fertilizer.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is:
a device for improving water-soluble phosphorus in ammonium phosphate neutralized slag comprises a support, wherein a plurality of weighing hoppers are mounted at the top end of the support, a material port opening mechanism is correspondingly arranged at the lower end of each weighing hopper, the material port opening mechanism opens or closes an opening of each weighing hopper, and one side of each weighing hopper conveys materials through a first spiral conveyer which is obliquely arranged; a second screw conveyor is transversely arranged below the weighing hoppers, a feed port corresponding to the weighing hoppers is formed in the upper end of the second screw conveyor, and a discharge port is formed in the lower end of the second screw conveyor; a heating and stirring tank is arranged below the discharge port and comprises a tank body, a sulfuric acid inlet is arranged on the tank body, and the sulfuric acid inlet is connected with an automatic sulfuric acid adding mechanism; a spiral stirring rod is arranged in the tank body and is driven to rotate by a stirring motor; the tank body is externally provided with a heating interlayer, the heating interlayer keeps a gap with the side wall of the tank body, and a heating pipe is arranged in the gap.
The weighing hoppers are three and respectively comprise a urea weighing hopper, a standby weighing hopper and a ammonium phosphate neutralization slag weighing hopper.
The material opening mechanism comprises an arc-shaped baffle, two ends of the arc-shaped baffle are fixed with a connecting plate, and the other end of the connecting plate is connected to the weighing hopper in a cross mode; the weighing hopper is hinged with a first cylinder, the other end of the first cylinder is hinged with a cross beam, and the cross beam is installed between two connecting plates and is far away from a hinge point on the connecting plates.
The opening part at the lower end of the weighing hopper is connected with a weighing sensor through a flange plate, and the weighing sensor is arranged on the support through a connecting block
And a plurality of thermocouples are arranged on the tank body.
The automatic sulfuric acid adding mechanism is arranged on one side above the heating and stirring tank and comprises a liquid storage tank, a quantifying tank is arranged below the liquid storage tank, and the liquid storage tank is connected with the quantifying tank through a first pipeline; the other end of the quantitative tank is connected with a sulfuric acid inlet through a liquid outlet pipe.
The utility model relates to an improve device of water-soluble phosphorus in ammonium phosphate neutralization slag has following technological effect:
1) the automatic weighing and feeding urea weighing hopper and the ammonium phosphate neutralization slag weighing hopper are arranged, and the automatic sulfuric acid adding mechanism is installed, so that a certain proportion can be set according to needs, urea, sulfuric acid and ammonium phosphate neutralization slag are added quantitatively, and the automation level is improved.
2) The content of water-soluble phosphorus in the ammonium phosphate neutralization slag can be improved through the mixed reaction of the three components.
Drawings
The invention will be further explained with reference to the following figures and examples:
fig. 1 is a schematic structural diagram of the present invention (the automatic sulfuric acid adding mechanism is not shown).
Fig. 2 is a schematic structural diagram of the present invention.
Fig. 3 is the structural schematic diagram of the weighing hopper of the utility model.
Fig. 4 is the structural schematic diagram of the weighing hopper of the present invention.
Fig. 5 is a schematic view of the internal structure of the middle heating stirring tank of the present invention.
Fig. 6 is a schematic structural view of the middle spiral stirring rod of the present invention.
Fig. 7 is a schematic view of the automatic adding mechanism of sulfuric acid in the present invention.
Detailed Description
As shown in the figure 1-2, the device for improving the water-soluble phosphorus in ammonium phosphate neutralized slag comprises a support 1, wherein three weighing hoppers 2, namely a urea weighing hopper 2-1, a standby weighing hopper 2-2 and an ammonium phosphate neutralized slag weighing hopper 2-3, are arranged at the top end of the support 1. Through setting up a reserve weighing hopper more, when one in other two damages, can adopt reserve weighing hopper to continue work.
As shown in FIG. 3, an opening at the lower end of the weighing hopper 2 is connected with a weighing sensor 17 through a flange 16, and the weighing sensor 17 is installed on the bracket 1 through a connecting block. When three weighing hoppers 2 are charged, the weighing sensor 17 is used for detecting the weight change of the materials in the weighing hoppers 2 in real time.
As shown in figures 1-2, materials are conveyed by the first spiral conveyor 4 obliquely arranged on one side of each weighing hopper 2, and a feeding hopper is arranged at the bottom end of each first spiral conveyor 4 and is used for directly adding the materials. The lower end of each weighing hopper 2 is correspondingly provided with a material opening mechanism 3, and the opening of the weighing hopper 2 is opened or closed through the material opening mechanism 3.
Specifically, as shown in fig. 4, the material opening mechanism 3 includes an arc-shaped baffle 3-1, two ends of the arc-shaped baffle 3-1 are fixed to a connecting plate 3-2, and the other end of the connecting plate 3-2 is connected to the weighing hopper 2; the weighing hopper 2 is hinged with a first cylinder 3-3, the other end of the first cylinder 3-3 is hinged with a cross beam 3-4, and the cross beam 3-4 is arranged between the two connecting plates 3-2 and is far away from a hinge point on the connecting plate 3-2. When the first air cylinder 3-3 extends out, the arc-shaped baffle 3-1 rotates rapidly and seals the bottom of the weighing hopper 2, and when the first air cylinder 3-3 contracts, the arc-shaped baffle 3-1 rotates rapidly so that the opening at the bottom of the weighing hopper 2 is opened. For the pull type opening and closing mechanism, the structure can avoid the blocking of the baffle under the condition of excessive materials.
As shown in fig. 1-2, a second screw conveyor 5 is transversely arranged below the three weighing hoppers 2, and feed inlets 6 corresponding to the three weighing hoppers 2 are arranged at the upper ends of the second screw conveyors 5, so that after the materials weighed by the weighing hoppers 2 reach a set weight, the material opening mechanism 3 is opened, the materials in the weighing hoppers 2 all fall into the second screw conveyors 5, and are primarily mixed and conveyed by the second screw conveyors 5.
A discharge port 7 is arranged at the lower end of one side of the second screw conveyor 5, the discharge port 7 is right opposite to a material port 15 of the heating and stirring tank 8 below, and the mixed material enters the heating and stirring tank 8 through the discharge port 7 and the port 15.
As shown in fig. 5-6, the heating and stirring tank 8 includes a tank body 9, a spiral stirring rod 10 is disposed in the tank body 9, and the spiral stirring rod 10 is driven to rotate by a stirring motor 11. The spiral rods on the spiral stirring rods 10 are divided into a plurality of groups which are arranged from top to bottom, each group of spiral rods comprises a forward-rotation screw rod and a reverse-rotation screw rod, and the forward-rotation screw rods and the reverse-rotation screw rods are arranged in a mirror symmetry mode. Through this setting can drive the mixing material and reciprocate and stir evenly.
As shown in fig. 5 and 7, the heating and stirring tank 8 is provided at an upper end thereof with a sulfuric acid inlet 18, and the sulfuric acid inlet 18 is connected to an automatic sulfuric acid adding mechanism (not shown in fig. 1). The automatic sulfuric acid adding mechanism is arranged above the heating and stirring tank 8.
The automatic sulfuric acid adding mechanism comprises a liquid storage tank 18-1, a quantitative tank 18-2 is arranged below the liquid storage tank 18-1, the liquid storage tank 18-1 is connected with the quantitative tank 18-2 through a first pipeline 18-3, an electromagnetic valve is arranged on the first pipeline 18-3, and when the electromagnetic valve is opened, liquid in the liquid storage tank 18-1 automatically enters the quantitative tank 18-2. A high level liquid level sensor and a low level liquid level sensor are arranged on the quantifying tank 18-2, and the liquid level sensors are used for detecting the amount of liquid in the quantifying tank 18-2.
And the other end of the quantitative tank 18-2 is connected with a sulfuric acid inlet 18 through a liquid outlet pipe 18-4. The liquid outlet pipe 18-4 is also provided with an electromagnetic valve.
When sulfuric acid needs to be added into the tank body 9, firstly, the electromagnetic valve of the first pipeline 18-3 is opened to enable the sulfuric acid to enter the quantifying tank 18-2, after the liquid reaches the quantified amount, the high-level liquid level sensor detects a signal and transmits the signal to the controller, the controller controls the electromagnetic valve of the first pipeline 18-3 to be closed, the electromagnetic valve on the liquid outlet pipe 18-4 is opened, and the sulfuric acid enters the tank body 9 under the action of gravity. When the outflow reaches a certain value, the low level liquid level sensor detects a signal and transmits the signal to the controller, and the controller controls the two electromagnetic valves to be closed.
A heating interlayer 12 is arranged outside the tank body 9, the heating interlayer 12 keeps a gap with the side wall of the tank body 9, and a heating pipe 13 is arranged in the gap. The device is heated by the heating pipe 13, so that the temperature is ensured to meet the chemical reaction between materials
A plurality of thermocouples 14 are mounted on the tank 9. The thermocouple 14 is connected with the controller, the thermocouple 14 is used for detecting the temperature in real time, and the heating time of the heating pipe 13 is controlled through the controller, so that the integral temperature is ensured to be between 60 ℃ and 90 ℃.
The devices are all subjected to antiseptic treatment.
The support 1 is provided with a control cabinet which mainly comprises a cabinet body and electrical components. The cabinet body is internally provided with a PLC, an alternating current contactor, a circuit breaker, a thermal relay, an intermediate relay, a fuse and a terminal strip, and the surface of the cabinet body is provided with a display panel, a motor start-stop switch, an electromagnetic valve start-stop switch and the like. The control cabinet controls and operates each mechanism to orderly act.
The mass ratio of the urea to the sulfuric acid to the ammonium phosphate neutralization residues is 2.2:1: 32.
The working principle and the process are as follows: urea and ammonium phosphate neutralization slag are added into corresponding urea weighing hoppers 2-1 and ammonium phosphate neutralization slag weighing hoppers 2-3 through a first spiral conveyer 4, when materials of the weighing hoppers 2 reach a set amount, a weighing sensor 17 transmits signals to a controller, the controller controls a motor of the first spiral conveyer 4 to stop, meanwhile, a first air cylinder 3-3 is controlled to shrink, a motor of a second spiral conveyer 5 is controlled to start, the two materials enter the second spiral conveyer 5 through a feed inlet 6, and in the spiral motion process of the second spiral conveyer 5, mixed materials gradually fall from the lower end of a port of the second spiral conveyer 5 and enter a heating stirring tank 8. At the same time, the relevant valve for sulfuric acid addition is opened and sulfuric acid is added to the heating agitation tank 8. Starting the stirring motor 11, the spiral stirring rod 10 drives the three materials to stir and react (the heating stirring tank 8 is heated to a proper temperature in advance before stirring), and after the stirring is completed, the materials are output from the lower end of the heating stirring tank 8, and the required products can be obtained after solidification and curing in the later stage.
Claims (6)
1. The utility model provides an improve device of water-soluble phosphorus in phosphorus ammonium neutralization sediment which characterized in that: the weighing device comprises a support (1), wherein a plurality of weighing hoppers (2) are mounted at the top end of the support (1), a material port opening mechanism (3) is correspondingly arranged at the lower end of each weighing hopper (2), an opening of each weighing hopper (2) is opened or closed by the material port opening mechanism (3), and one side of each weighing hopper (2) is used for conveying materials through a first spiral conveyor (4) which is obliquely arranged; a second screw conveyor (5) is transversely arranged below the weighing hoppers (2), the upper end of the second screw conveyor (5) is provided with a feed inlet (6) corresponding to the weighing hoppers (2), and the lower end of the second screw conveyor (5) is provided with a discharge outlet (7); a heating and stirring tank (8) is arranged below the discharge port (7), the heating and stirring tank (8) comprises a tank body (9), a sulfuric acid inlet (18) is formed in the tank body (9), and the sulfuric acid inlet (18) is connected with an automatic sulfuric acid adding mechanism; a spiral stirring rod (10) is arranged in the tank body (9), and the spiral stirring rod (10) is driven to rotate by a stirring motor (11); a heating interlayer (12) is arranged outside the tank body (9), the heating interlayer (12) keeps a gap with the side wall of the tank body (9), and a heating pipe (13) is arranged in the gap.
2. The device for improving the water-soluble phosphorus in the ammonium phosphate neutralized slag according to claim 1, characterized in that: the number of the weighing hoppers (2) is three, and the weighing hoppers are respectively a urea weighing hopper (2-1), a standby weighing hopper (2-2) and a ammonium phosphate neutralization slag weighing hopper (2-3).
3. The device for improving the water-soluble phosphorus in the ammonium phosphate neutralized slag according to claim 1, characterized in that: the material opening mechanism (3) comprises an arc-shaped baffle (3-1), two ends of the arc-shaped baffle (3-1) are fixed with the connecting plate (3-2), and the other end of the connecting plate (3-2) is connected to the weighing hopper (2); the weighing hopper (2) is hinged with a first cylinder (3-3), the other end of the first cylinder (3-3) is hinged with a cross beam (3-4), and the cross beam (3-4) is arranged between the two connecting plates (3-2) and is far away from a hinge point on the connecting plates (3-2).
4. The device for improving the water-soluble phosphorus in the ammonium phosphate neutralized slag according to claim 1, characterized in that: the opening part of the lower end of the weighing hopper (2) is connected with a weighing sensor (17) through a flange plate (16), and the weighing sensor (17) is installed on the support (1) through a connecting block.
5. The device for improving the water-soluble phosphorus in the ammonium phosphate neutralized slag according to claim 1, characterized in that: and a plurality of thermocouples (14) are arranged on the tank body (9).
6. The device for improving the water-soluble phosphorus in the ammonium phosphate neutralized slag according to claim 1, characterized in that: the automatic sulfuric acid adding mechanism is arranged on one side above the heating and stirring tank (8) and comprises a liquid storage tank (18-1), a quantifying tank (18-2) is arranged below the liquid storage tank (18-1), and the liquid storage tank (18-1) is connected with the quantifying tank (18-2) through a first pipeline (18-3); the other end of the quantitative tank (18-2) is connected with a sulfuric acid inlet (18) through a liquid outlet pipe (18-4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020568393.7U CN212051173U (en) | 2020-04-16 | 2020-04-16 | Device for improving water-soluble phosphorus in ammonium phosphate neutralization slag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020568393.7U CN212051173U (en) | 2020-04-16 | 2020-04-16 | Device for improving water-soluble phosphorus in ammonium phosphate neutralization slag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212051173U true CN212051173U (en) | 2020-12-01 |
Family
ID=73523375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020568393.7U Active CN212051173U (en) | 2020-04-16 | 2020-04-16 | Device for improving water-soluble phosphorus in ammonium phosphate neutralization slag |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212051173U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115288114A (en) * | 2022-08-16 | 2022-11-04 | 福建南方路面机械股份有限公司 | Continuous soil improvement system |
-
2020
- 2020-04-16 CN CN202020568393.7U patent/CN212051173U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115288114A (en) * | 2022-08-16 | 2022-11-04 | 福建南方路面机械股份有限公司 | Continuous soil improvement system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211418549U (en) | Batching system is used in refractory material production | |
| CN212051173U (en) | Device for improving water-soluble phosphorus in ammonium phosphate neutralization slag | |
| CN105903367A (en) | Weighing and burdening system and production process for weighing and burdening | |
| CN210286026U (en) | Refractory material raw materials for production feed arrangement | |
| CN204058337U (en) | A kind of continous way polyurethane water-proof paint production line | |
| CN2752972Y (en) | Full-automatic paste mixing machine | |
| CN206156766U (en) | Tetrabasic lead sulfate's production facility | |
| CN209440879U (en) | A kind of quantitative automatic feeding device for steel scrap cooked flake wrapping machine | |
| CN209292445U (en) | The device of the continuous sulfate radical of earth solution | |
| CN208757500U (en) | A kind of color grains bitumen processing installation | |
| CN213674748U (en) | Concrete production system | |
| CN210589934U (en) | Concrete weighing and batching device | |
| CN209178345U (en) | A kind of waste emulsified mixture sludge treatment equipment | |
| CN209537450U (en) | A kind of portable feed fermentation device | |
| CN204617028U (en) | A kind of granulator quality-adjusting device | |
| CN207254277U (en) | A kind of vertical response kettle automatic charging device | |
| CN112028677A (en) | Auxiliary material adding device and auxiliary material adding method | |
| CN2411055Y (en) | Material feeding device | |
| CN205517738U (en) | Slowly, split quick set cation asphalt emulsifier's apparatus for producing | |
| CN109517725A (en) | A kind of portable feed fermentation device and technique | |
| CN220386504U (en) | Oxygen release agent production system | |
| CN210079469U (en) | Charging reaction device for preparing lithium hexafluorophosphate | |
| CN212050542U (en) | Wet process phosphoric acid edulcoration device | |
| CN214106926U (en) | Coal fired power plant desulfurization waste water modified flocculant preparation facilities | |
| CN219722568U (en) | Sodium metasilicate production dosing unit for pottery |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |