CN220634225U - Disodium dihydrogen phosphate production raw material neutralization device - Google Patents
Disodium dihydrogen phosphate production raw material neutralization device Download PDFInfo
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- CN220634225U CN220634225U CN202322226302.8U CN202322226302U CN220634225U CN 220634225 U CN220634225 U CN 220634225U CN 202322226302 U CN202322226302 U CN 202322226302U CN 220634225 U CN220634225 U CN 220634225U
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- Prior art keywords
- neutralization
- cylinder
- heat preservation
- fixed
- heat
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- 238000006386 neutralization reaction Methods 0.000 title claims abstract description 74
- 239000002994 raw material Substances 0.000 title claims abstract description 28
- CSVGEMRSDNSWRF-UHFFFAOYSA-L disodium;dihydrogen phosphate Chemical compound [Na+].[Na+].OP(O)([O-])=O.OP(O)([O-])=O CSVGEMRSDNSWRF-UHFFFAOYSA-L 0.000 title claims abstract description 23
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 238000004321 preservation Methods 0.000 claims abstract description 41
- 238000007599 discharging Methods 0.000 claims abstract description 16
- 239000007788 liquid Substances 0.000 claims description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 22
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 16
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 16
- 241001330002 Bambuseae Species 0.000 claims description 16
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 16
- 239000011425 bamboo Substances 0.000 claims description 16
- 238000003860 storage Methods 0.000 claims description 12
- 230000003472 neutralizing effect Effects 0.000 claims description 8
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 230000001154 acute effect Effects 0.000 claims description 3
- 230000006978 adaptation Effects 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 abstract description 36
- 238000006243 chemical reaction Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 7
- 239000002699 waste material Substances 0.000 abstract description 4
- 238000002360 preparation method Methods 0.000 abstract description 3
- 239000003507 refrigerant Substances 0.000 abstract description 3
- 239000000243 solution Substances 0.000 description 18
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 10
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 5
- 101100298225 Caenorhabditis elegans pot-2 gene Proteins 0.000 description 4
- 239000013078 crystal Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000007790 scraping Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 235000019820 disodium diphosphate Nutrition 0.000 description 1
- GYQBBRRVRKFJRG-UHFFFAOYSA-L disodium pyrophosphate Chemical compound [Na+].[Na+].OP([O-])(=O)OP(O)([O-])=O GYQBBRRVRKFJRG-UHFFFAOYSA-L 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 235000019799 monosodium phosphate Nutrition 0.000 description 1
- AJPJDKMHJJGVTQ-UHFFFAOYSA-M sodium dihydrogen phosphate Chemical compound [Na+].OP(O)([O-])=O AJPJDKMHJJGVTQ-UHFFFAOYSA-M 0.000 description 1
- 229910000162 sodium phosphate Inorganic materials 0.000 description 1
Landscapes
- Food Preservation Except Freezing, Refrigeration, And Drying (AREA)
Abstract
The utility model relates to the technical field of disodium dihydrogen phosphate preparation, in particular to a disodium dihydrogen phosphate production raw material neutralization device, wherein a neutralization cylinder is fixed in a heat preservation cylinder, a discharging component matched with the neutralization cylinder is arranged at the lower end of the inner part of the heat preservation cylinder, a feeding component is arranged at the top end of the inner part of the heat preservation cylinder, a heat exchange piece is arranged at the outer side of the neutralization cylinder in the heat preservation cylinder, and a slow flow piece is arranged at the position, close to the upper end, of the inner part of the neutralization cylinder. According to the utility model, the raw materials are input in a separated mode, the neutralization reaction process is controllable, the sodium hydroxide raw materials slowly flow into the neutralization cylinder along the fixed column and the outer wall of the hollow rotating shaft during input under the arrangement of the slow flow part, so that the solution splashing caused by too fast reaction is avoided, and in addition, the heat exchange between heat energy and refrigerant during the neutralization reaction process can be realized through the arrangement of the heat exchange part, so that the heat energy waste is avoided, and the heat energy utilization efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of disodium dihydrogen phosphate preparation, in particular to a neutralization device for disodium dihydrogen phosphate production raw materials.
Background
Disodium dihydrogen phosphate, the chemical formula of which is NaH2PO4, is an important chemical. It is a white crystal, which is easily dissolved in water and is acidic. Disodium dihydrogen phosphate has wide application in fields such as medicine, food, chemical industry and the like, and disodium dihydrogen phosphate can be prepared by reacting phosphoric acid and sodium hydroxide in a mass ratio of 1:1.05, and a reaction kettle is needed to neutralize raw materials in the reaction process, for example, a raw material neutralizing device for disodium dihydrogen pyrophosphate production is disclosed in Chinese patent publication No. CN216063221U, and the device can scrape raw materials on the inner wall of a tank body when the neutralizing device discharges by virtue of a scraping plate, so that waste caused by raw materials adhesion on the inner wall of the tank body is avoided, the discharge of the neutralizing device is cleaner, and the use effect and practicality of the neutralizing device are improved well.
However, the neutralization reaction of the raw materials of the disodium dihydrogen phosphate belongs to an exothermic reaction in the preparation process, so that a large amount of heat is released when the sodium hydroxide is added too fast, the loss of heat energy is easy to cause, and the solution is easy to boil and splash after a large amount of heat release, so that a certain potential safety hazard exists. Accordingly, a neutralizing device for raw materials for producing disodium dihydrogen phosphate is provided by a person skilled in the art to solve the problems set forth in the background art.
Disclosure of Invention
The utility model aims to provide a neutralization device for disodium dihydrogen phosphate production raw materials, which aims to solve the problems in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the neutralization device for the disodium dihydrogen phosphate production raw material comprises a heat preservation cylinder, wherein a neutralization cylinder is fixed in the heat preservation cylinder, a discharging component matched with the neutralization cylinder is arranged at the lower end of the inner part of the heat preservation cylinder, a feeding component is arranged at the top end of the inner part of the heat preservation cylinder, a heat exchange piece is arranged at the outer side of the neutralization cylinder in the heat preservation cylinder, and a slow flow piece is arranged at the position, close to the upper end, of the inner part of the neutralization cylinder;
the slow flow piece is installed including rotating the slow flow dish that is close to upper end position department in the heat preservation section of thick bamboo inside, equidistant fixed column that is fixed with on the slow flow dish, and the surface that the slow flow was coiled is located one side of fixed column and has been seted up first through-hole, the slow flow dish is close to middle part position department equidistant second through-hole of having seted up, the scraper blade with neutralizing section of thick bamboo inner wall adaptation is installed in the outside of fixed column.
As a further aspect of the present utility model: the feeding assembly comprises a liquid storage tank fixed at the upper end of the heat preservation cylinder, a first motor is fixed at the upper end of the liquid storage tank, a hollow rotating shaft which extends to the inside of the neutralization cylinder and is fixedly connected with the slow flow disc is installed at the output end of the first motor, the lower end of the hollow rotating shaft is in an opening state, the outer side of the hollow rotating shaft is located at the position of the liquid storage tank, liquid injection ports are formed at equal intervals, and a liquid inlet pipe which is communicated with the neutralization cylinder and corresponds to the slow flow disc is further installed at the upper end of the heat preservation cylinder.
As a further aspect of the present utility model: the heat exchange piece is including fixing the heat conduction welt in the neutralization section of thick bamboo outside, the spiral water pipe is installed in the outside of heat conduction welt, and heat conduction welt and spiral water pipe are the component of pure copper material, the upper end of spiral water pipe runs through heat preservation section of thick bamboo and forms hot water export, and the lower extreme of spiral water pipe runs through heat preservation section of thick bamboo and forms the cold water entry.
As a further aspect of the present utility model: the discharging assembly comprises a discharging pipe which is fixed at the lower end of the inside of the heat preservation barrel and is communicated with the neutralization barrel, one end of the discharging pipe is fixed with a second motor, the output end of the second motor is fixed with a rotating roller, a spiral feeder is arranged on the outer side of the rotating roller, and the other end of the discharging pipe penetrates through the heat preservation barrel and is provided with a stop valve.
As a further aspect of the present utility model: the inner lower end of the neutralization cylinder is fixed with a guide cover, and the inner upper end of the neutralization cylinder is provided with an explosion-proof pipe penetrating through the heat insulation cylinder.
As a further aspect of the present utility model: the connecting rod fixedly connected with the lower end of the fixed column is installed at equal intervals on the outer side of the hollow rotating shaft close to the lower end, stirring blades are fixed at equal intervals on the outer side of the hollow rotating shaft, an included angle between the second through hole and the horizontal plane is an acute angle, and the lower end of the second through hole is clung to the outer side of the hollow rotating shaft.
Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the raw materials are input in a separated mode, the neutralization reaction process is controllable, the sodium hydroxide raw materials slowly flow into the neutralization cylinder along the fixed column and the outer wall of the hollow rotating shaft during input under the arrangement of the slow flow part, so that the solution splashing caused by too fast reaction is avoided, and in addition, the heat exchange between heat energy and refrigerant during the neutralization reaction process can be realized through the arrangement of the heat exchange part, so that the heat energy waste is avoided, and the heat energy utilization efficiency is improved.
Drawings
FIG. 1 is a schematic diagram of a neutralization apparatus for disodium dihydrogen phosphate production raw materials;
FIG. 2 is a schematic diagram showing the internal structure of a neutralization apparatus for producing disodium dihydrogen phosphate;
fig. 3 is a schematic diagram of the structure of a slow flow disk in a neutralization device for producing disodium dihydrogen phosphate.
In the figure: 1. a heat preservation cylinder; 2. a liquid storage tank; 3. a liquid inlet pipe; 4. a first motor; 5. a discharge pipe; 6. explosion-proof pipe; 7. a neutralization drum; 8. a heat conducting lining plate; 9. a spiral water pipe; 10. a liquid injection port; 11. a slow flow disk; 12. fixing the column; 13. a scraper; 14. a connecting rod; 15. stirring blades; 16. a guide cover; 17. a second motor; 18. a rotating roller; 19. a screw feeder; 20. a first through hole; 21. a second through hole; 22. a hollow rotating shaft.
Detailed Description
Referring to fig. 1 to 3, in the embodiment of the utility model, a neutralization device for disodium dihydrogen phosphate production raw materials comprises a heat preservation cylinder 1, wherein a neutralization cylinder 7 is fixed in the heat preservation cylinder 1, a discharging component matched with the neutralization cylinder 7 is arranged at the lower end of the interior of the heat preservation cylinder 1, a feeding component is arranged at the top end of the interior of the heat preservation cylinder 1, a heat exchange piece is arranged at the outer side of the neutralization cylinder 7 in the interior of the heat preservation cylinder 1, and a slow flow piece is arranged at the position, close to the upper end, of the interior of the neutralization cylinder 7;
the slow flow piece is including rotating the slow flow dish 11 of installing in the inside upper end position department that is close to of heat preservation section of thick bamboo 1, equidistant fixed with fixed column 12 on the slow flow dish 11, and the first through-hole 20 has been seted up to the surface that is located fixed column 12 of slow flow dish 11, the equidistant second through-hole 21 of having seted up of the position department that is close to the middle part of slow flow dish 11, the scraper blade 13 with neutralization section of thick bamboo 7 inner wall adaptation is installed in the outside of fixed column 12, receive when realizing sodium hydroxide solution input through slow flow dish 11, and make it follow first through-hole 20, second through-hole 21 outflow, further make sodium hydroxide raw materials slowly flow into neutralization section of thick bamboo 7 bottom along fixed column 12, hollow pivot 22 outer wall when the input, thereby avoid the too fast solution that causes that the reaction splashes.
In fig. 2, the material loading subassembly includes the liquid storage pot 2 of fixing in heat preservation section of thick bamboo 1 upper end, the upper end of liquid storage pot 2 is fixed with first motor 4, the hollow rotating shaft 22 that extends to inside neutralization section of thick bamboo 7 and be connected with slow flow dish 11 fixed is installed to the output of first motor 4, the lower extreme of hollow rotating shaft 22 is the open state, and the outside of hollow rotating shaft 22 is located the position department of liquid storage pot 2 equidistant liquid injection mouth 10, liquid inlet pipe 3 that communicates and correspond with slow flow dish 11 with neutralization section of thick bamboo 7 is still installed to the upper end of heat preservation section of thick bamboo 1, pour into phosphoric acid solution into inside the liquid storage pot 2, through the setting of liquid injection mouth 10 and hollow rotating shaft 22, make phosphoric acid solution input to the inside neutralization section of thick bamboo 7 bottom, input sodium hydroxide solution from liquid inlet pipe 3 to inside neutralization section of thick bamboo 7, through the controllable of raw materials separation formula input, realize neutralization reaction process.
In fig. 2, the heat exchange member includes a heat conduction lining plate 8 fixed on the outer side of a neutralization cylinder 7, a spiral water pipe 9 is installed on the outer side of the heat conduction lining plate 8, and the heat conduction lining plate 8 and the spiral water pipe 9 are members made of pure copper, the upper end of the spiral water pipe 9 penetrates through the heat preservation cylinder 1 and forms a hot water outlet, the lower end of the spiral water pipe 9 penetrates through the heat preservation cylinder 1 and forms a cold water inlet, heat exchange between heat energy and a refrigerant in the neutralization reaction process can be realized through the heat conduction lining plate 8 and the spiral water pipe 9, so that heat energy waste is avoided, and the utilization efficiency of heat energy is improved.
In fig. 2, the discharging assembly comprises a discharging pipe 5 fixed at the lower end inside the heat preservation barrel 1 and communicated with the neutralization barrel 7, a second motor 17 is fixed at one end of the discharging pipe 5, a rotating roller 18 is fixed at the output end of the second motor 17, a spiral feeder 19 is installed at the outer side of the rotating roller 18, the other end of the discharging pipe 5 penetrates through the heat preservation barrel 1 and is provided with a stop valve, the stop valve is opened, the second motor 17 is started, and the rotating roller 18 drives the spiral feeder 19 to rotate through the second motor 17, so that the output of crystals and solutions inside the neutralization barrel 7 is facilitated.
In fig. 2, a guide cover 16 is fixed at the lower end of the inside of the neutralization cylinder 7, which is favorable for guiding the flow of the solution and the crystallization during output, and an explosion-proof pipe 6 penetrating through the insulation cylinder 1 is arranged at the upper end of the inside of the neutralization cylinder 7, so that the air pressure inside and outside the equipment is balanced, and the equipment burst caused by a large amount of hot air in the equipment is avoided.
In fig. 2 and 3, connecting rods 14 fixedly connected with the lower ends of the fixed columns 12 are installed at equal intervals on the outer sides of the hollow rotating shafts 22 close to the lower ends, the lower ends of the fixed columns 12 are fixed, stirring blades 15 are fixed on the outer sides of the hollow rotating shafts 22 at equal intervals, the neutralization reaction effect is improved, an included angle between the second through holes 21 and a horizontal plane is an acute angle, the lower ends of the second through holes 21 are tightly attached to the outer sides of the hollow rotating shafts 22, and sodium hydroxide solution is conveniently input to the inner bottom of the neutralization cylinder 7 along the hollow rotating shafts 22.
The working principle of the utility model is as follows: during use, phosphoric acid solution is injected into the liquid storage tank 2, through the setting of the liquid injection port 10 and the hollow rotating shaft 22, the phosphoric acid solution is input to the inner bottom of the neutralization drum 7, sodium hydroxide solution is input from the liquid inlet pipe 3 to the inner side of the neutralization drum 7, the control of the neutralization reaction process is realized through the raw material separation type input, the receiving of the sodium hydroxide solution during the input is realized through the slow flow disc 11, and the sodium hydroxide solution flows out of the first through hole 20 and the second through hole 21, the sodium hydroxide raw material is further enabled to slowly flow into the bottom of the neutralization drum 7 along the fixed column 12 and the outer wall of the hollow rotating shaft 22 during the input, so that the solution splashing caused by the too fast reaction is avoided, the first motor 4 is started to enable the hollow rotating shaft 22 to rotate, the stirring blade 15 is enabled to stir the solution in the neutralization drum 7, the neutralization reaction is facilitated, the slow flow disc 11 is enabled to drive the fixed column 12 to rotate through the hollow rotating shaft 22, the scraper 13 is enabled to work, the scraping of crystals adhered on the inner wall of the neutralization drum 7 is facilitated, the inside the equipment is ensured to be clean, the setting of the heat conducting lining plate 8 and the spiral water pipe 9 is further enabled to realize the heat exchange efficiency between the neutralization reaction and the heat energy is improved, the second heat energy is enabled to be utilized, the heat energy is further enabled to rotate the heat energy is enabled to be wasted by the heat energy of the spiral heat exchange valve 17 and the heat exchange valve 17, and the heat energy is enabled to rotate the heat energy is further enabled to rotate the heat energy 17 and the heat exchange material 17, and the heat exchange drum 17 is further is turned on the heat, and the heat energy is further used to be 17, and the heat energy is used to be used to rotate and the heat energy 17.
Claims (6)
1. The device for neutralizing the disodium dihydrogen phosphate production raw material comprises a heat preservation cylinder (1), and is characterized in that a neutralization cylinder (7) is fixed in the heat preservation cylinder (1), a discharging component matched with the neutralization cylinder (7) is arranged at the lower end of the inside of the heat preservation cylinder (1), a feeding component is arranged at the top end of the inside of the heat preservation cylinder (1), a heat exchange piece is arranged at the outer side of the neutralization cylinder (7) in the inside of the heat preservation cylinder (1), and a slow flow piece is arranged at the position, close to the upper end, of the inside of the neutralization cylinder (7);
the slow flow piece is including rotating slow flow dish (11) of installing in the inside upper end position department that is close to of heat preservation section of thick bamboo (1), equidistant fixed column (12) are fixed with on slow flow dish (11), and the surface that slow flow dish (11) is located one side of fixed column (12) and seted up first through-hole (20), slow flow dish (11) are close to middle part position department equidistant second through-hole (21) of having seted up, scraper blade (13) with neutralizing section of thick bamboo (7) inner wall adaptation are installed in the outside of fixed column (12).
2. The disodium dihydrogen phosphate production raw material neutralization apparatus as defined in claim 1, wherein the feeding assembly comprises a liquid storage tank (2) fixed at the upper end of the heat preservation cylinder (1), a first motor (4) is fixed at the upper end of the liquid storage tank (2), a hollow rotating shaft (22) extending into the neutralization cylinder (7) and fixedly connected with the slow flow disk (11) is installed at the output end of the first motor (4), the lower end of the hollow rotating shaft (22) is in an opening state, liquid injection ports (10) are formed in the outer side of the hollow rotating shaft (22) at the position of the liquid storage tank (2) at equal intervals, and a liquid inlet pipe (3) communicated with the neutralization cylinder (7) and corresponding to the slow flow disk (11) is further installed at the upper end of the heat preservation cylinder (1).
3. The disodium dihydrogen phosphate raw material neutralization apparatus as defined in claim 1, wherein the heat exchange member comprises a heat conducting lining plate (8) fixed at the outer side of the neutralization cylinder (7), a spiral water pipe (9) is installed at the outer side of the heat conducting lining plate (8), the heat conducting lining plate (8) and the spiral water pipe (9) are all members made of pure copper, the upper end of the spiral water pipe (9) penetrates through the heat preservation cylinder (1) and forms a hot water outlet, and the lower end of the spiral water pipe (9) penetrates through the heat preservation cylinder (1) and forms a cold water inlet.
4. The disodium dihydrogen phosphate production raw material neutralization apparatus as defined in claim 1, wherein the discharging assembly comprises a discharging pipe (5) fixed at the lower end inside the heat preservation cylinder (1) and communicated with the neutralization cylinder (7), one end of the discharging pipe (5) is fixed with a second motor (17), the output end of the second motor (17) is fixed with a rotating roller (18), a spiral feeder (19) is installed at the outer side of the rotating roller (18), and the other end of the discharging pipe (5) penetrates through the heat preservation cylinder (1) and is provided with a stop valve.
5. The neutralization device for the disodium dihydrogen phosphate production raw material as recited in claim 1, wherein a guide cover (16) is fixed at the inner lower end of the neutralization cylinder (7), and an explosion-proof pipe (6) penetrating through the heat insulation cylinder (1) is installed at the inner upper end of the neutralization cylinder (7).
6. The neutralization device for the disodium dihydrogen phosphate production raw material as recited in claim 2, wherein a connecting rod (14) fixedly connected with the lower end of the fixed column (12) is installed at an equidistant position on the outer side of the hollow rotating shaft (22) close to the lower end, stirring blades (15) are fixed at an equidistant position on the outer side of the hollow rotating shaft (22), an included angle between the second through hole (21) and a horizontal plane is an acute angle, and the lower end of the second through hole (21) is tightly attached to the outer side of the hollow rotating shaft (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322226302.8U CN220634225U (en) | 2023-08-18 | 2023-08-18 | Disodium dihydrogen phosphate production raw material neutralization device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322226302.8U CN220634225U (en) | 2023-08-18 | 2023-08-18 | Disodium dihydrogen phosphate production raw material neutralization device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220634225U true CN220634225U (en) | 2024-03-22 |
Family
ID=90270406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322226302.8U Active CN220634225U (en) | 2023-08-18 | 2023-08-18 | Disodium dihydrogen phosphate production raw material neutralization device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220634225U (en) |
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2023
- 2023-08-18 CN CN202322226302.8U patent/CN220634225U/en active Active
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