CN220223604U - Combustion tower for phosphoric acid production - Google Patents
Combustion tower for phosphoric acid production Download PDFInfo
- Publication number
- CN220223604U CN220223604U CN202320511493.XU CN202320511493U CN220223604U CN 220223604 U CN220223604 U CN 220223604U CN 202320511493 U CN202320511493 U CN 202320511493U CN 220223604 U CN220223604 U CN 220223604U
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- CN
- China
- Prior art keywords
- pipe
- air
- tower
- phosphoric acid
- connecting pipe
- 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.)
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- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 title claims abstract description 65
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 32
- 229910000147 aluminium phosphate Inorganic materials 0.000 title claims abstract description 31
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 238000007789 sealing Methods 0.000 claims description 34
- 238000001914 filtration Methods 0.000 claims description 11
- 238000009434 installation Methods 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 18
- 239000012535 impurity Substances 0.000 abstract description 4
- 235000011007 phosphoric acid Nutrition 0.000 description 28
- OBSZRRSYVTXPNB-UHFFFAOYSA-N tetraphosphorus Chemical compound P12P3P1P32 OBSZRRSYVTXPNB-UHFFFAOYSA-N 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 230000036571 hydration Effects 0.000 description 4
- 238000006703 hydration reaction Methods 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000003518 caustics Substances 0.000 description 2
- 239000003337 fertilizer Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- DLYUQMMRRRQYAE-UHFFFAOYSA-N tetraphosphorus decaoxide Chemical compound O1P(O2)(=O)OP3(=O)OP1(=O)OP2(=O)O3 DLYUQMMRRRQYAE-UHFFFAOYSA-N 0.000 description 2
- UEZVMMHDMIWARA-UHFFFAOYSA-N Metaphosphoric acid Chemical compound OP(=O)=O UEZVMMHDMIWARA-UHFFFAOYSA-N 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000013556 antirust agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 1
- 239000004327 boric acid Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- XPPKVPWEQAFLFU-UHFFFAOYSA-N diphosphoric acid Chemical compound OP(O)(=O)OP(O)(O)=O XPPKVPWEQAFLFU-UHFFFAOYSA-N 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000013373 food additive Nutrition 0.000 description 1
- 239000002778 food additive Substances 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 230000000399 orthopedic effect Effects 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 229940005657 pyrophosphoric acid Drugs 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
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Abstract
The utility model discloses a combustion tower for phosphoric acid production, which comprises a combustion tower, wherein an air pipe is fixedly arranged at one side of the combustion tower, a connecting pipe is detachably arranged at one end of the air pipe, an air inlet pipe is detachably arranged at one end of the connecting pipe, a drain pipe is fixed at the lower end of the connecting pipe, a user places the connecting pipe between the air inlet pipe and the air pipe, the connecting sleeve is arranged on the surfaces of the air inlet pipe and the air pipe, the connecting sleeve is in threaded connection with the air inlet pipe and the air pipe, the connecting pipe is convenient to rapidly install, condensed water in the air pipe is prevented from flowing into the combustion tower under the action of a check ring, the condensed water is discharged through the drain pipe, impurities in the condensed water are convenient to collect under the action of a filter screen, and when the filter screen is taken out, the user rotates the filter screen, so that a limiting block is pulled out along the inner part of an L groove, and the filter screen is convenient to take out.
Description
Technical Field
The utility model relates to the technical field of phosphoric acid production, in particular to a combustion tower for phosphoric acid production.
Background
Phosphoric acid, also known as orthophosphoric acid, is a common inorganic acid, is a medium strong acid, has a chemical formula of H3PO4, has a molecular weight of 97.994, is not easy to volatilize and decompose, and has almost no oxidizing property. The acid is a ternary weak acid, which is weaker than hydrochloric acid, sulfuric acid, nitric acid, but stronger than acetic acid, boric acid, etc. Phosphoric acid is easily deliquesced in air, and is dehydrated to obtain pyrophosphoric acid when heated, and further dehydrated to obtain metaphosphoric acid. Phosphoric acid is mainly used in the industries of pharmacy, food, fertilizer and the like, and can be used as an antirust agent, a food additive, dental and orthopedic surgery, an EDIC corrosive agent, an electrolyte, a scaling powder, a dispersing agent, an industrial corrosive agent, a raw material of fertilizer and a household cleaning product of components, and can also be used as a chemical reagent;
through retrieval, a concentrated phosphoric acid production system with the publication number of CN204778839U is disclosed, and comprises a yellow phosphorus storage tank, a yellow phosphorus combustion kettle, a phosphoric acid hydration tower, a phosphoric acid concentration tank and a vacuum barostat which are sequentially connected in series. The bottom of the yellow phosphorus storage tank is connected with the top of the yellow phosphorus combustion kettle, a spray head is arranged in the yellow phosphorus combustion kettle, an air pipeline is arranged at the lower part in the yellow phosphorus combustion kettle, an air outlet of the side wall of the yellow phosphorus combustion kettle is connected with an air inlet at the top of the phosphoric acid hydration tower, a water inlet pipeline is further arranged at the top of the phosphoric acid hydration tower, a discharge outlet at the bottom of the phosphoric acid hydration tower is connected with a feed inlet at the top of the phosphoric acid concentration tank, a spray head is arranged in the phosphoric acid concentration tank, guide plates which are arranged in a staggered manner are arranged on the inner side wall of the phosphoric acid concentration tank below the spray head, and a vacuum constant pressure device is further arranged at the top of the phosphoric acid concentration tank. The production line adopts a heating concentration method to prepare concentrated phosphoric acid, so that the concentration efficiency of the phosphoric acid is high, and the problem that the concentrated phosphoric acid is adhered to the inner wall of a reaction container and is difficult to collect can be solved;
the existing phosphoric acid combustion tower meets the use requirement of a user to a certain extent, but has certain defects in the use process, such as air is generally introduced through an air inlet pipe arranged on the phosphoric acid combustion tower, condensed water can be formed on the pipe wall of the air inlet pipe due to the mixing of cold and hot air in the process of air flowing through the air inlet pipe, the condensed water enters the phosphoric acid combustion tower along the pipe wall of the air inlet pipe and reacts with phosphorus pentoxide in the tower to generate phosphoric acid, the heating pipe, the phosphorus gun and other parts in the tower are corroded, the service life of the parts in the tower is shortened, and the production continuity is seriously influenced.
Disclosure of Invention
The utility model aims to provide a combustion tower for phosphoric acid production, which solves the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a phosphoric acid production is with burning tower, includes the burning tower, one side fixed mounting of burning tower has the air pipe, the one end demountable installation of air pipe has the connecting pipe, the one end demountable installation of connecting pipe has the intake pipe, the fixed drain pipe of lower extreme of connecting pipe, the inside demountable installation of drain pipe has the filter screen panel.
Preferably, a feeding pipe is arranged on one side of the combustion tower, and an air outlet pipe is arranged on one side of the combustion tower.
Preferably, a retaining ring is fixedly arranged at one end of the inner part of the air pipe, one end of the retaining ring is inclined, and the retaining ring is positioned at one end close to the combustion tower.
Preferably, the two ends of the connecting pipe are movably sleeved with connecting sleeves, and the connecting sleeves are movably sleeved on the outer sides of the air pipe and the air inlet pipe and are in threaded connection with the air pipe and the air inlet pipe.
Preferably, sealing components are arranged at positions, attached to the air pipe and the air inlet pipe, of two ends of the connecting pipe, and each sealing component comprises a sealing groove and a sealing groove, and the sealing grooves are formed in one ends of the air pipe and the air inlet pipe.
Preferably, sealing rings are fixedly arranged at two ends of the connecting pipe, and sealing sleeves are movably sleeved on the outer sides of the sealing rings.
Preferably, the sealing sleeve is movably inserted in the sealing groove, a supporting spring is fixedly arranged in the sealing sleeve, and one end of the supporting spring is fixedly provided with a sealing ring fixedly connected.
Preferably, the L groove has all been seted up to the inside both sides of drain pipe, the both sides of filtering the screen panel all fixed mounting have with L groove matched with stopper, the inside fixed mounting of drain pipe has the water conservancy diversion circle.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, the connecting pipe is placed between the air inlet pipe and the air pipe by a user, and the connecting sleeve is arranged on the surfaces of the air inlet pipe and the air pipe by the user, so that the connecting sleeve is in threaded connection with the air inlet pipe and the air pipe, and the connecting pipe is convenient to install quickly.
2. According to the utility model, when the connecting pipe is connected with the air inlet pipe and the air pipe, the sealing sleeve is inserted into the sealing groove, and the sealing ring moves towards the inside of the sealing sleeve along with the connection of the connecting pipe with the air inlet pipe and the air pipe, so that the supporting spring is compressed, the sealing sleeve is tightly attached to the sealing groove, and the sealing connection of the connecting pipe with the air inlet pipe and the air pipe is enhanced.
3. According to the utility model, when the condensed water is under the action of the check ring, the condensed water in the air pipe is prevented from flowing into the combustion tower, so that the condensed water is discharged through the drain pipe, impurities in the condensed water are conveniently collected under the action of the filter screen cover, and when the filter screen cover is taken out, a user rotates the filter screen cover, so that the limiting block is pulled out along the inner part of the L-shaped groove, and the filter screen cover is conveniently taken out.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the structure of the air inlet pipe of the present utility model;
FIG. 3 is an enlarged schematic view of the structure of FIG. 2A according to the present utility model;
FIG. 4 is an enlarged schematic view of the structure of FIG. 2B according to the present utility model;
in the figure: 1. a combustion tower; 2. a feed pipe; 3. an air outlet pipe; 4. an air inlet pipe; 5. an air tube; 6. a connecting pipe; 7. a drain pipe; 8. connecting sleeves; 9. sealing grooves; 10. a seal ring; 11. sealing sleeve; 12. a support spring; 13. filtering the net cover; 14. a guide ring; 15. an L-groove; 16. and a limiting block.
Detailed Description
The following description of the embodiments of the present utility model 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 utility model, but not all embodiments. Based on the technical solutions of the present utility model, all other embodiments obtained by a person skilled in the art without making any creative effort fall within the protection scope of the present utility model.
Referring to fig. 1 to 3, the present utility model provides a technical solution: the utility model provides a combustion tower for phosphoric acid production, including combustion tower 1 (the outside of combustion furnace 1 is not ordinary steel sheet, be the shell and tube constitution, then be steel sheet connection between the shell and tube, absorb heat with softened water in the shell and tube, become steam, one side fixed mounting of combustion tower 1 has air pipe 5, the one end demountable installation of air pipe 5 has connecting pipe 6, the one end demountable installation of connecting pipe 6 has intake pipe 4, one side of combustion tower 1 is provided with inlet pipe 2, one side of combustion tower 1 is provided with outlet duct 3, the one end of air pipe 5 inside is fixed mounting has the retaining ring, the one end of retaining ring is the slope form, the retaining ring is located the one end that is close to combustion tower 1, the both ends of connecting pipe 6 all movable sleeve is equipped with adapter sleeve 8, adapter sleeve 8 movable sleeve is established in the outside of air pipe 5 and intake pipe 4, and with air pipe 5 and intake pipe 4 threaded connection, sealing component is provided with in the position department that the both ends of connecting pipe 6 are laminated with air pipe 5 and intake pipe 4, sealing washer 10 is all seted up to sealing groove 9 to sealing ring 5 and intake pipe 4, sealing washer 10 is all fixed mounting at sealing washer 10's both ends, sealing washer 11 movable sleeve is equipped with seal 11, seal 11 movable sleeve alternates in seal groove 9 inside sealing washer 9, inside 12, inside supporting spring 12 is fixed mounting spring 12 is fixed connection fixed mounting spring is fixed;
wherein, the user places connecting pipe 6 between intake pipe 4 and air pipe 5, the user is with adapter sleeve 8 at the surface of intake pipe 4 and air pipe 5, make adapter sleeve 8 and intake pipe 4 and air pipe 5 threaded connection, be convenient for install fast connecting pipe 6, when connecting pipe 6 is connected with intake pipe 4 and air pipe 5, seal cover 11 inserts the inside of seal groove 9, along with connecting pipe 6 and intake pipe 4 and air pipe 5's connection, seal ring 10 moves to seal cover 11's inside, compress supporting spring 12, make seal cover 11 closely laminate with seal groove 9, the sealing connection of connecting pipe 6 and intake pipe 4 and air pipe 5 has been strengthened, under the effect of retaining ring, avoid the inside comdenstion water inflow of air pipe 5 to the inside of burning tower 1, make the comdenstion water pass through drain pipe 7 and discharge.
Referring to fig. 2 and 4, a drain pipe 7 is fixed at the lower end of a connecting pipe 6, a filter screen 13 is detachably mounted in the drain pipe 7, L grooves 15 are formed in two sides of the interior of the drain pipe 7, limiting blocks 16 matched with the L grooves 15 are fixedly mounted on two sides of the filter screen 13, and a guide ring 14 is fixedly mounted in the drain pipe 7;
wherein, under the effect of filtering screen panel 13, be convenient for collect the impurity of comdenstion water inside, when taking out filtering screen panel 13, the user rotates filtering screen panel 13 for stopper 16 is taken out along the inside of L groove 15, is convenient for take out filtering screen panel 13.
Working principle: the user places connecting pipe 6 between intake pipe 4 and air pipe 5, the user is with adapter sleeve 8 at the surface of intake pipe 4 and air pipe 5, make adapter sleeve 8 and intake pipe 4 and air pipe 5 threaded connection, be convenient for install connecting pipe 6 fast, when connecting pipe 6 and intake pipe 4 and air pipe 5 are connected, seal cover 11 inserts the inside of seal groove 9, along with connecting pipe 6 and being connected of intake pipe 4 and air pipe 5, seal ring 10 moves to the inside of seal cover 11, compress supporting spring 12, make seal cover 11 closely laminate with seal groove 9, the sealing connection of connecting pipe 6 and intake pipe 4 and air pipe 5 has been strengthened, under the effect of retaining ring, avoid the inside comdenstion water inflow of air pipe 5 to the inside of burning tower 1, make the comdenstion water pass through drain pipe 7 and discharge, under the effect of filtering screen 13, be convenient for collect the inside impurity of comdenstion water, when taking out filtering screen 13, the user rotates filtering screen 13, make stopper 16 follow the inside of L groove 15 and take out filtering screen 13 conveniently.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. The utility model provides a phosphoric acid production is with burning tower, includes burning tower (1), its characterized in that: one side fixed mounting of burning tower (1) has air pipe (5), the one end demountable installation of air pipe (5) has connecting pipe (6), the one end demountable installation of connecting pipe (6) has intake pipe (4), the lower extreme fixed drain pipe (7) of connecting pipe (6), the inside demountable installation of drain pipe (7) has filtration screen panel (13), the one end fixed mounting of air pipe (5) inside has the retaining ring, the one end of retaining ring is the slope form, the retaining ring is located the one end that is close to burning tower (1), the both ends of connecting pipe (6) all movable sleeve is equipped with adapter sleeve (8), adapter sleeve (8) movable sleeve is established in the outside of air pipe (5) and intake pipe (4), and with air pipe (5) and intake pipe (4) threaded connection, the position department that the both ends of connecting pipe (6) are laminated with air pipe (5) and intake pipe (4) is provided with seal assembly, seal assembly includes seal groove (9) have all been seted up to the one end of air pipe (5) inside, the both ends of connecting pipe (6) are fixed mounting has seal sleeve (10) in the outside seal groove (11), the sealing sleeve is characterized in that a supporting spring (12) is fixedly arranged in the sealing sleeve (11), and one end of the supporting spring (12) is fixedly provided with a sealing ring (10) which is fixedly connected.
2. A combustion tower for phosphoric acid production according to claim 1, wherein: one side of the combustion tower (1) is provided with a feeding pipe (2), and one side of the combustion tower (1) is provided with an air outlet pipe (3).
3. A combustion tower for phosphoric acid production according to claim 1, wherein: l grooves (15) are formed in two sides of the inside of the drain pipe (7), limiting blocks (16) matched with the L grooves (15) are fixedly arranged on two sides of the filter screen (13), and guide rings (14) are fixedly arranged in the drain pipe (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320511493.XU CN220223604U (en) | 2023-03-16 | 2023-03-16 | Combustion tower for phosphoric acid production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320511493.XU CN220223604U (en) | 2023-03-16 | 2023-03-16 | Combustion tower for phosphoric acid production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220223604U true CN220223604U (en) | 2023-12-22 |
Family
ID=89182686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320511493.XU Active CN220223604U (en) | 2023-03-16 | 2023-03-16 | Combustion tower for phosphoric acid production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220223604U (en) |
-
2023
- 2023-03-16 CN CN202320511493.XU patent/CN220223604U/en active Active
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| GR01 | Patent grant |