CN214579632U - A detachable filler pipe for sulphuric acid production - Google Patents
A detachable filler pipe for sulphuric acid production Download PDFInfo
- Publication number
- CN214579632U CN214579632U CN202120317297.XU CN202120317297U CN214579632U CN 214579632 U CN214579632 U CN 214579632U CN 202120317297 U CN202120317297 U CN 202120317297U CN 214579632 U CN214579632 U CN 214579632U
- Authority
- CN
- China
- Prior art keywords
- acid
- pipe
- barrel
- upper pipe
- resistant
- 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
Abstract
The utility model relates to a detachable water feeding pipe for sulfuric acid production, which is provided with an upper pipe barrel, wherein the top end of the upper pipe barrel is provided with a water feeding port, and a connecting flange plate is arranged on the outer side wall of the upper pipe barrel and is close to the water feeding port; a separation grid disc is arranged on the outer side wall of the upper pipe barrel and close to the lower part of the upper pipe barrel, and a plurality of separation meshes are arranged on the separation grid disc; an acid-resistant pipe section immersed in acid liquor is sleeved on a pipe orifice at the lower end of the upper pipe barrel, and the acid-resistant pipe section is made of polytetrafluoroethylene materials; the utility model discloses a structural style and the material to the filler pipe improve, acidproof protection adopts low price material just can reach anticipated effect, has realized the safe long period operation of filler pipe to guarantee the normal operating of subsequent handling, have higher reliability, can extensively apply to the sulphuric acid trade.
Description
Technical Field
The utility model belongs to the technical field of chemical production equipment technique and specifically relates to a detachable filler pipe for sulphuric acid production.
Background
In the dry absorption process of the smelting flue gas acid making system, in order to maintain the acid concentration of the absorption acid and the output product in the absorption circulating tank at 98%, the absorption circulating tank needs to continuously supply process water,
the device for adding water into the tank is called a water adding pipe, after water in the water adding pipe enters the circulating tank, concentrated sulfuric acid can generate a large amount of heat after contacting with the water, the temperature difference of a part of acid mixing area reaches nearly 50 ℃, the water is boiled to cause liquid splashing, a certain amount of dilute acid is formed, and the corrosion rate of the water adding pipe is accelerated. Therefore, the material and the structural form of the water feeding pipe are particularly important, the important premise of ensuring the acid concentration to be stable is provided, the service life of the water feeding pipe directly influences the continuous operation rate of a system, the water feeding pipe is designed to be made of the Baumet alloy material with excellent corrosion resistance in the United states, the production requirement of sulfuric acid can be basically met, but the defects of high corrosion speed, high investment, easy breakage of a connection part and the like generally exist, and the maintenance period of the large-scale sulfuric acid device is long. In recent years, the price of imported equipment is gradually increased, imported materials are more difficult to purchase and have long period, domestic manufacturers break through the material of water feeding pipes at present, and the domestic chlorine MeiTe alloy water feeding pipes are tried to be adopted, although the price is lower, the material performance strength and the corrosion resistance are inferior to those of the imported alloys, the service life is greatly shortened, and certain influence is caused on the continuous production of the system.
Disclosure of Invention
The utility model aims at providing a detachable filler pipe for sulphuric acid production to above-mentioned condition, this filler pipe structural improvement is simple and practical, can dismantle the change, and is nimble convenient, and life can prolong.
The utility model has the following concrete scheme: a detachable water feeding pipe for sulfuric acid production is provided with an upper pipe barrel, wherein the top end of the upper pipe barrel is provided with a water feeding port, and a connecting flange plate is arranged on the outer side wall of the upper pipe barrel, close to the water feeding port; a separation grid disc is arranged on the outer side wall of the upper pipe barrel and close to the lower part of the upper pipe barrel, and a plurality of separation meshes are arranged on the separation grid disc; an acid-resistant pipe section immersed in acid liquor is sleeved on a pipe opening at the lower end of the upper pipe barrel, and the acid-resistant pipe section is made of polytetrafluoroethylene materials.
Further, in the utility model discloses a plurality of acid water mixing hole has evenly been seted up on the latter half pipe wall of acidproof pipeline section, the round outer wall setting around acidproof pipeline section is mixed to the acid water mixing hole.
Furthermore, in the present invention, the upper end of the acid-proof pipe section and the lower end of the upper pipe barrel are connected in an expansion manner.
Furthermore, in the utility model, the upper pipe barrel is made of acid-resistant cast iron material.
Further, in the present invention, the diameter of the separation grid plate is smaller than the diameter of the connection flange plate.
The utility model discloses a structural style and the material to the filler pipe improve, acidproof protection adopts low price material just can reach anticipated effect, has realized the safe long period operation of filler pipe to guarantee the normal operating of subsequent handling, have higher reliability, can extensively apply to the sulphuric acid trade.
Drawings
FIG. 1 is a schematic view of the main section structure of the present invention;
fig. 2 is a schematic view of the structure of the present invention in the bottom view;
fig. 3 is a schematic view of the utility model when it is installed in practical use.
In the figure: 1-water filling port, 2-upper pipe barrel, 3-connecting flange, 4-separating grid disc, 5-separating mesh, 6-acid-resistant pipe section, 7-acid water mixing hole, 8-acid inlet, 9-acid mist exhaust port and 10-acid precipitating sleeve.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the utility model is used, and are only for convenience of describing the present invention or simplifying the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed or operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the connection may be direct or indirect via an intermediate medium, and may be a communication between the two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-3, the utility model relates to a detachable water feeding pipe for sulfuric acid production, which comprises an upper pipe barrel 2, a water feeding port 1 is arranged at the top end of the upper pipe barrel, and a connecting flange 3 is arranged on the outer side wall of the upper pipe barrel and close to the water feeding port; a separation grid disc 4 is arranged on the outer side wall of the upper pipe barrel and close to the lower part, and a plurality of separation meshes 5 are arranged on the separation grid disc; an acid-resistant pipe section 6 immersed in acid liquor is sleeved on the pipe orifice at the lower end of the upper pipe barrel, and the acid-resistant pipe section is made of polytetrafluoroethylene materials.
Further, in this embodiment, a plurality of acid water mixing holes 7 are uniformly formed in the lower half pipe wall of the acid-resistant pipe section, and the acid water mixing holes are formed around the outer wall of the acid-resistant pipe section.
Furthermore, in this embodiment, the upper end of the acid-resistant pipe section and the lower end of the upper pipe barrel are connected in an expansion manner, and the connection manner is that the upper port of the acid-resistant pipe section is expanded and sleeved on the upper surface of the upper pipe barrel to be tightly wrapped, so that the sleeving is very tight.
Further, in this embodiment, the upper tube is made of acid-resistant cast iron material.
Further, in this embodiment, the diameter of the separation grid disc is smaller than the diameter of the connection flange plate.
The water adding pipe of the utility model is used together with the acid precipitating sleeve when in use, the water adding pipe has the function of supplementing water into the circulating groove to ensure the acid concentration, after the water of the water adding pipe enters the circulating groove, the concentrated sulfuric acid can generate a large amount of heat after contacting with water, the temperature difference of partial acid mixing areas reaches nearly 50 ℃, and the water is boiled to cause the liquid to splash, a certain amount of dilute acid is formed, the corrosion rate of the water feeding pipe is accelerated, therefore, in the actual use, the acid precipitation sleeve is sleeved on the outer side of the water adding pipe to be used together to form an acid mixing area, when water is added and acid is mixed, the acid-proof pipe section at the lower part is immersed into the sulfuric acid, the water in the water adding pipe is mixed with the sulfuric acid entering from the acid water inlet after coming out from the acid water mixing holes at the lower part and the side wall, and the generated acid mist goes upward through the separation meshes on the separation mesh disc and is finally pumped out from the acid mist extraction opening to enter other process equipment.
The acid water mixing hole on the acid-resistant pipe section can make sulphuric acid and water intensive mixing, provides convenience for the mixing, and the separation grid disc also can prevent that sulphuric acid upwards splashes, also can prevent simultaneously that acid mist from taking out too much sulphuric acid mixed liquid.
The acid-resistant pipe section in the embodiment is made of polytetrafluoroethylene materials with strong corrosion resistance and is durable, and the upper pipe barrel is made of acid-resistant cast iron pipe materials, so that safe long-period operation of the water feeding pipe is realized.
The water feeding pipe of the utility model is composed of an upper acid-proof cast iron pipe, a cast iron flange, a polytetrafluoroethylene flange and a lower polytetrafluoroethylene pipe.
The utility model discloses a structural style and the material to the filler pipe improve, acidproof protection adopts low price material just can reach anticipated effect, has realized the safe long period operation of filler pipe to guarantee the normal operating of subsequent handling, have higher reliability, can extensively apply to the sulphuric acid trade.
Claims (5)
1. The utility model provides a detachable filler pipe for sulphuric acid production, has the upper tube barrel, and the top of upper tube barrel is the filler, its characterized in that: a connecting flange is arranged on the outer side wall of the upper pipe barrel and close to the water filling port; a separation grid disc is arranged on the outer side wall of the upper pipe barrel and close to the lower part of the upper pipe barrel, and a plurality of separation meshes are arranged on the separation grid disc; an acid-resistant pipe section immersed in acid liquor is sleeved on a pipe opening at the lower end of the upper pipe barrel, and the acid-resistant pipe section is made of polytetrafluoroethylene materials.
2. The detachable water adding pipe for sulfuric acid production according to claim 1, wherein: a plurality of acid water mixing holes are uniformly formed in the wall of the lower half portion of the acid-resistant pipe section, and the acid water mixing holes are arranged around the outer wall of the acid-resistant pipe section.
3. The detachable water adding pipe for sulfuric acid production according to claim 1, wherein: the upper end of the acid-proof pipe section and the lower end of the upper pipe barrel are connected in an expansion mode.
4. The detachable water adding pipe for sulfuric acid production according to claim 1, wherein: the upper pipe barrel is made of acid-resistant cast iron material.
5. The detachable water adding pipe for sulfuric acid production according to claim 1, wherein: the diameter of the separation grid disc is smaller than that of the connecting flange disc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120317297.XU CN214579632U (en) | 2021-02-04 | 2021-02-04 | A detachable filler pipe for sulphuric acid production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120317297.XU CN214579632U (en) | 2021-02-04 | 2021-02-04 | A detachable filler pipe for sulphuric acid production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214579632U true CN214579632U (en) | 2021-11-02 |
Family
ID=78349880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120317297.XU Active CN214579632U (en) | 2021-02-04 | 2021-02-04 | A detachable filler pipe for sulphuric acid production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214579632U (en) |
-
2021
- 2021-02-04 CN CN202120317297.XU patent/CN214579632U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207918982U (en) | A kind of molten copper system system of foil | |
| CN208201154U (en) | A kind of novel energy-conserving copper dissolution device | |
| CN214579632U (en) | A detachable filler pipe for sulphuric acid production | |
| CN203971733U (en) | A kind of dynamic wave scrubber reverse jet tube | |
| CN215901307U (en) | Mixed acid system | |
| CN202460426U (en) | Falling film absorption column | |
| CN201579004U (en) | Sulphuric acid diluting device | |
| CN207649427U (en) | A kind of waste water heat circulating system | |
| CN207524979U (en) | A kind of dry desorption system of sulfuric acid | |
| CN205084746U (en) | Polyferric sulfate reaction unit | |
| CN213492894U (en) | Water adding device for circulating tank of acid making absorption tower | |
| CN212048878U (en) | Novel aboveground liquid sulfur storage facility | |
| CN210620955U (en) | Electrolytic ozone generator with compact structure | |
| CN203392858U (en) | Recovery system for sulfur dioxide conversion waste heat in acid production process through sulfuric acid | |
| CN207797818U (en) | A kind of flue gas waste heat recovery heating plant | |
| CN214734533U (en) | A corrosion-resistant acid casing that sinks for concentrated sulfuric acid production | |
| CN201454504U (en) | Hydrocyanic acid reactor body | |
| CN214552612U (en) | Acid mixing mechanism of absorption circulation tank for sulfuric acid production | |
| CN203663688U (en) | Sulfur dioxide absorption tower | |
| CN2524196Y (en) | High-efficiency anode protection casing type concentrated sulfuric acid cooler | |
| CN113600045A (en) | Mixed acid system | |
| CN213408561U (en) | Novel water feeding pipe structure of acid mixer | |
| CN219712569U (en) | Novel dilute acid ware water pipe | |
| CN202725051U (en) | Acid mixer | |
| CN213376549U (en) | Be used for silver nitrate to make liquid heating device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |