CN219701875U - 105 acid production system - Google Patents
105 acid production system Download PDFInfo
- Publication number
- CN219701875U CN219701875U CN202320903039.9U CN202320903039U CN219701875U CN 219701875 U CN219701875 U CN 219701875U CN 202320903039 U CN202320903039 U CN 202320903039U CN 219701875 U CN219701875 U CN 219701875U
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- CN
- China
- Prior art keywords
- acid
- fixedly connected
- tower
- working section
- nicotinic 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.)
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- 239000002253 acid Substances 0.000 title claims abstract description 47
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 32
- PVNIIMVLHYAWGP-UHFFFAOYSA-N Niacin Chemical compound OC(=O)C1=CC=CN=C1 PVNIIMVLHYAWGP-UHFFFAOYSA-N 0.000 claims abstract description 80
- 229960003512 nicotinic acid Drugs 0.000 claims abstract description 40
- 235000001968 nicotinic acid Nutrition 0.000 claims abstract description 40
- 239000011664 nicotinic acid Substances 0.000 claims abstract description 40
- 238000006243 chemical reaction Methods 0.000 claims abstract description 32
- 238000005507 spraying Methods 0.000 claims abstract description 26
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000002994 raw material Substances 0.000 claims abstract description 11
- 239000007921 spray Substances 0.000 claims description 16
- 238000009792 diffusion process Methods 0.000 claims description 13
- 238000010521 absorption reaction Methods 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 10
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 238000001354 calcination Methods 0.000 claims 2
- 238000000746 purification Methods 0.000 claims 2
- 239000007789 gas Substances 0.000 description 10
- 241001233242 Lontra Species 0.000 description 7
- HIFJUMGIHIZEPX-UHFFFAOYSA-N sulfuric acid;sulfur trioxide Chemical compound O=S(=O)=O.OS(O)(=O)=O HIFJUMGIHIZEPX-UHFFFAOYSA-N 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- AKEJUJNQAAGONA-UHFFFAOYSA-N sulfur trioxide Chemical compound O=S(=O)=O AKEJUJNQAAGONA-UHFFFAOYSA-N 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The utility model relates to a 105 acid production system, which comprises a raw material working section, a roasting working section, a purifying working section, a dry absorbing working section, a conversion working section and an acid storage working section, wherein the raw material working section, the roasting working section, the purifying working section, the dry absorbing working section, the conversion working section and the acid storage working section are sequentially connected, a nicotinic acid tower is fixedly connected to a primary conversion output end of the conversion working section, the primary conversion output end is connected to the bottom of the nicotinic acid tower, a spraying device is fixedly connected to the top of the nicotinic acid tower, and 98% concentrated sulfuric acid can be sprayed out by the spraying device.
Description
Technical Field
The utility model relates to the technical field of sulfuric acid production, in particular to a 105 acid production system.
Background
The sulfuric acid production process mainly comprises a raw material working section, a roasting working section, a purifying working section, a dry suction working section, a conversion working section and an acid storage working section, but the mode can only be used for producing concentrated sulfuric acid, fuming sulfuric acid cannot be produced, and the concentrated sulfuric acid with the concentration of 105 percent, namely 105 acid, is fuming sulfuric acid, is high-concentration volatile nicotinic acid, fuming sulfuric acid cannot be directly produced by adopting the process, but fuming sulfuric acid is mainly used as a raw material for producing hydrofluoric acid, so that the sulfuric acid production process has certain limitation, cannot meet the production requirement, and brings great difficulty to production control.
Disclosure of Invention
Therefore, the utility model provides a 105 acid production system which is used for solving the problems that fuming sulfuric acid cannot be directly produced in the prior art, but the fuming sulfuric acid is mainly used as a raw material for producing hydrofluoric acid, so that the sulfuric acid production process has certain limitation, the production requirement cannot be met, and great difficulty is brought to production control.
In order to achieve the purpose, the utility model provides a 105 acid production system, which comprises a raw material working section, a roasting working section, a purifying working section, a dry suction working section, a conversion working section and an acid storage working section, wherein the raw material working section, the roasting working section, the purifying working section, the dry suction working section, the conversion working section and the acid storage working section are sequentially connected, a nicotinic acid tower is fixedly connected to a primary conversion output end of the conversion working section, the primary conversion output end is connected to the bottom of the nicotinic acid tower, a spraying device is fixedly connected to the top of the nicotinic acid tower, and the spraying device can spray 98% concentrated sulfuric acid.
Further, the primary conversion of the conversion section comprises a heat exchanger component, a converter and an absorption tower, wherein the heat exchanger component, the converter and the absorption tower are sequentially connected, the heat exchanger component comprises two heat exchangers, and the output end of the heat exchanger component is fixedly connected with the nicotinic acid tower through a connecting pipe.
Further, still fixedly connected with circulation acid tank on the nicotinic acid tower, fixedly connected with circulation pipeline on the circulation acid tank, and circulation pipeline output and spray set fixed connection, be provided with sour circulating pump and cooler on the circulation pipeline, fixedly connected with underground acid tank on the circulation acid tank, and underground acid tank passes through delivery pump and finished product jar fixed connection.
Further, the nicotinic acid tower is internally fixed with a slow flow component and a diffusion component, the slow flow component and the diffusion component are sequentially arranged at the lower end of the spraying device, the slow flow component can slow down the flow speed of liquid and gas respectively, and the diffusion component can diffuse the flow range of gas.
Further, the slow flow component comprises a plurality of spoilers, the spoilers are sequentially fixed in the nicotinic acid tower from top to bottom, a plurality of arc-shaped grooves are fixedly arranged on the spoilers at intervals, a plurality of vent holes are fixedly arranged on the spoilers, guide holes are fixedly arranged on each spoiler, and the guide holes are staggered from top to bottom.
Further, the diffusion subassembly includes arc otter board, arc otter board is fixed in the nicotinic acid tower, and arc otter board extrados sets up.
Further, the spraying device comprises a spraying head and a spraying pipe, wherein the spraying head is fixedly connected with the spraying pipe, and the spraying pipe is fixedly connected with a concentrated sulfuric acid injection device externally connected with the spraying pipe by 98%.
Further, a gas output pipe is fixedly connected to the top of the nicotinic acid tower, and the gas output pipe is fixedly connected with the absorption tower.
Compared with the prior art, the utility model has the beneficial effects that: through fixedly connected with nicotinic acid tower on the primary conversion output of conversion workshop section to and nicotinic acid tower top fixedly connected with spray set realizes the cooperation and uses, can directly accomplish 105% concentrated sulfuric acid production based on current sulfuric acid production technology, the effectual production demand that satisfies.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
fig. 2 is a schematic diagram of a partial structure of the nicotinic acid tower according to the utility model.
In the figure: nicotinic acid tower 1, spray set 2, heat exchanger subassembly 3, converter 4, absorption tower 5, circulation acid tank 6, acid circulating pump 7, spoiler 8, arc recess 9, water conservancy diversion hole 10, arc otter board 11, secret acid tank 12, finished product jar 13.
Detailed Description
In order that the objects and advantages of the utility model will become more apparent, the utility model will be further described with reference to the following examples; it should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Preferred embodiments of the present utility model are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are merely for explaining the technical principles of the present utility model, and are not intended to limit the scope of the present utility model.
It should be noted that, in the description of the present utility model, terms such as "upper," "lower," "left," "right," "inner," "outer," and the like indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the apparatus or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Furthermore, it should be noted that, in the description of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those skilled in the art according to the specific circumstances.
Referring to fig. 1 and 2, the utility model discloses 105 an acid production system, which comprises a raw material working section, a roasting working section, a purifying working section, a dry suction working section, a conversion working section and an acid storage working section, wherein the raw material working section, the roasting working section, the purifying working section, the dry suction working section, the conversion working section and the acid storage working section are sequentially connected, a nicotinic acid tower 1 is fixedly connected to a primary conversion output end of the conversion working section, the primary conversion output end is connected to the bottom of the nicotinic acid tower 1, a spraying device 2 is fixedly connected to the top of the nicotinic acid tower 1, and the spraying device 2 can spray 98% concentrated sulfuric acid.
Specifically, through fixedly connected with nicotinic acid tower 1 on the primary conversion output of conversion workshop section to and nicotinic acid tower 1 top fixedly connected with spray set 2, realize the cooperation and use, can directly accomplish 105% concentrated sulfuric acid production based on current sulfuric acid production technology, the effectual production demand that satisfies.
In the actual production process, after primary conversion of a conversion section, sulfur trioxide gas enters the nicotinic acid tower 1 and reversely contacts with concentrated sulfuric acid with the concentration of 98% sprayed from a spraying device 2 at the upper part of the nicotinic acid tower 1, and gas-liquid heat exchange and absorption are carried out, so that concentrated sulfuric acid with the concentration of 104.5% and the concentration of about 105% can be produced.
The primary conversion of the conversion section comprises a heat exchanger component 3, a converter 4 and an absorption tower 5, wherein the heat exchanger component 3, the converter 4 and the absorption tower 5 are sequentially connected, the heat exchanger component 3 comprises two heat exchangers, and the output end of the heat exchanger component 3 is fixedly connected with the nicotinic acid tower 1 through a connecting pipe.
The nicotinic acid tower 1 is also fixedly connected with a circulating acid tank 6, a circulating pipeline is fixedly connected to the inside of the circulating acid tank 6, the output end of the circulating pipeline is fixedly connected with the spraying device 2, an acid circulating pump 7 and a cooler are arranged on the circulating pipeline, an underground acid tank 12 is fixedly connected to the circulating acid tank 6, and the underground acid tank 12 is fixedly connected with a finished product tank 13 through a conveying pump.
Specifically, the acid produced by the acid circulating pump 7 and the circulating pipeline can be circulated for a plurality of times, so that the finished product can reach the required concentration accurately, and the acid can be conveyed to the finished product tank 13 for storage after the production is completed.
The nicotinic acid tower 1 internal fixation has slow flow subassembly and diffusion subassembly, and slow flow subassembly and diffusion subassembly set gradually in spray set 2 lower extreme, and slow flow subassembly can slow down the flow velocity of liquid and gas respectively, but diffusion subassembly diffusion gas flow range. The slow flow component comprises a plurality of spoilers 8, the spoilers 8 are sequentially fixed in the nicotinic acid tower 1 from top to bottom, a plurality of arc-shaped grooves 9 are fixedly arranged on the spoilers 8 at intervals, a plurality of vent holes are fixedly arranged on the spoilers 8, guide holes 10 are fixedly arranged on each spoiler 8, and the guide holes 10 are staggered from top to bottom. The diffusion subassembly includes arc otter board 11, and arc otter board 11 is fixed in nicotinic acid tower 1, and the outer arc face of arc otter board 11 sets up.
Specifically, by means of the arrangement of the slow flow component, in the process of countercurrent flow of liquid and gas, the gas-liquid flow speed can be slowed down, the contact time of the gas-liquid is longer, the gas-liquid interaction is more sufficient, meanwhile, the arc-shaped screen plate 11 can directly diffuse the gas rapidly, and the contact area with the liquid can be increased;
at the same time, the spoiler 8 and the arc-shaped screen plate 11 must be made of acid-resistant and high-temperature-resistant materials.
The spraying device 2 comprises a spraying head and a spraying pipe, wherein the spraying head is fixedly connected with the spraying pipe, and the spraying pipe is fixedly connected with an externally connected 98% concentrated sulfuric acid injection device. The top of the nicotinic acid tower 1 is also fixedly connected with a gas output pipe which is fixedly connected with the absorption tower 5.
Specifically, the spraying device 2 realizes an effective spraying effect, and meanwhile, after the gas-liquid reverse contact is completed, the flue gas discharged from the nicotinic acid tower 1 enters the absorption tower 5 again to complete further process production.
In the operation process of the whole system, the corresponding valves and instruments are required to be installed according to actual requirements in the connection process of each pipeline, so that the whole system can be ensured to normally operate.
Thus far, the technical solution of the present utility model has been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of protection of the present utility model is not limited to these specific embodiments. Equivalent modifications and substitutions for related technical features may be made by those skilled in the art without departing from the principles of the present utility model, and such modifications and substitutions will be within the scope of the present utility model.
The foregoing description is only of the preferred embodiments of the utility model and is not intended to limit the utility model; various modifications and variations of the present utility model will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (8)
1.105 acid production system, including raw materials workshop section, calcination workshop section, purification workshop section, dry section of inhaling, conversion workshop section, store sour workshop section, and raw materials workshop section, calcination workshop section, purification workshop section, dry section of inhaling, conversion workshop section, store sour workshop section and connect gradually, its characterized in that, be connected with nicotinic acid tower on the primary conversion output of conversion workshop section, and once convert the output and connect in nicotinic acid tower bottom, nicotinic acid tower top fixedly connected with spray set, and spray set can spray 98% concentrated sulfuric acid.
2. The 105 acid production system of claim 1, wherein the primary conversion of the conversion section comprises a heat exchanger assembly, a converter and an absorption tower, the heat exchanger assembly, the converter and the absorption tower are connected in sequence, the heat exchanger assembly comprises two heat exchangers, and an output end of the heat exchanger assembly is fixedly connected with the nicotinic acid tower through a connecting pipe.
3. The 105 acid production system of claim 2, wherein the nicotinic acid tower is further fixedly connected with a circulating acid tank, a circulating pipeline is fixedly connected to the inside of the circulating acid tank, the output end of the circulating pipeline is fixedly connected with a spraying device, an acid circulating pump and a cooler are arranged on the circulating pipeline, an underground acid tank is fixedly connected to the circulating acid tank, and the underground acid tank is fixedly connected with a finished product tank through a conveying pump.
4. The acid production system of claim 3, wherein the nicotinic acid tower is internally fixed with a slow flow component and a diffusion component, the slow flow component and the diffusion component are sequentially arranged at the lower end of the spraying device, the slow flow component can respectively slow down the flow speed of liquid and gas, and the diffusion component can diffuse the flow range of gas.
5. The acid production system of claim 4, wherein the slow flow assembly comprises a plurality of spoilers, the spoilers are sequentially fixed in the nicotinic acid tower from top to bottom, a plurality of arc-shaped grooves are fixedly arranged on the spoilers at intervals, a plurality of vent holes are fixedly arranged on the spoilers, flow guide holes are fixedly arranged on each spoiler, and the flow guide holes are staggered from top to bottom.
6. The 105 acid production system of claim 5, wherein the diffusion assembly comprises an arcuate screen secured within the nicotinic acid tower with the arcuate screen having an extrados facing upward.
7. The 105 acid production system of any one of claims 1-6, wherein the spray device comprises a spray header and a spray pipe, the spray header is fixedly connected with the spray pipe, and the spray pipe is fixedly connected with a concentrated sulfuric acid injection device externally connected with 98%.
8. The 105 acid production system of claim 7, wherein the top of the nicotinic acid tower is further fixedly connected with a gas output pipe, and the gas output pipe is fixedly connected with the absorption tower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320903039.9U CN219701875U (en) | 2023-04-20 | 2023-04-20 | 105 acid production system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320903039.9U CN219701875U (en) | 2023-04-20 | 2023-04-20 | 105 acid production system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219701875U true CN219701875U (en) | 2023-09-19 |
Family
ID=88015639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320903039.9U Active CN219701875U (en) | 2023-04-20 | 2023-04-20 | 105 acid production system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219701875U (en) |
-
2023
- 2023-04-20 CN CN202320903039.9U patent/CN219701875U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 014412 Ulat Front Banner Industrial Park, Bayannur City, Inner Mongolia Autonomous Region Patentee after: Inner Mongolia Jinhui Rare Ore Co.,Ltd. Country or region after: China Address before: 014400 wulateqian banner Industrial Park, Bayannaoer City, Inner Mongolia Autonomous Region Patentee before: Inner Mongolia Jinhui rare ore Co.,Ltd. Country or region before: China |