CN207595755U - A kind of hydrochloric acid tank - Google Patents
A kind of hydrochloric acid tank Download PDFInfo
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- CN207595755U CN207595755U CN201721696752.1U CN201721696752U CN207595755U CN 207595755 U CN207595755 U CN 207595755U CN 201721696752 U CN201721696752 U CN 201721696752U CN 207595755 U CN207595755 U CN 207595755U
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- hydrochloric acid
- reative cell
- probe tube
- housing
- detection
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Abstract
The utility model discloses a kind of hydrochloric acid tanks, are related to storage facilities technical field.It includes Stainless Steel Shell, inner walls are provided with acidproof liner layer, the inner cavity of storage hydrochloric acid is formed inside liner layer, feed pipe and discharge nozzle are respectively arranged at the top and bottom of housing, the probe tube connected with inner cavity is provided on housing, sampling valve is provided on probe tube, probe tube is provided with the reative cell communicated therewith far from shell one end, and reative cell uses transparent and corrosion-resistant material；The detection device for detecting reaction indoor sample is provided on housing exterior walls.By setting probe tube, reative cell and detection device, testing staff does not need to sampling and send to test in laboratory, easy to detect, and can find whether liner layer crack occurs in time, improves hydrochloric acid storage quality；By setting pH detectors, detection hole and pure water pipe, accuracy of detection is improved.
Description
Technical field
The utility model is related to storage facilities technical field, more specifically, it relates to a kind of hydrochloric acid tank.
Background technology
Hydrochloric acid (HCl/water solution) is important industrial chemicals, and about 20,000,000 tons of world's hydrochloric acid annual output, commercially available hydrochloric acid is general
Mass fraction is 37%.Hydrochloric acid is corrosive, and reacts with iron and generates ferrous iron, and ferrous iron becomes trivalent iron salt after being aoxidized
Displaing yellow.
A kind of acid storage tank is disclosed in the Chinese utility model patent of Publication No. CN204297432U, including more piece not
Become rusty steel sheel, often saves and flange is equipped in Stainless Steel Shell, and the flange in adjacent Stainless Steel Shell is mutually fixed by bolt, described
Often section Stainless Steel Shell inner wall be coated with polytetrafluoroethylene ethylene layer, the polytetrafluoroethylene ethylene layer is stretched along Stainless Steel Shell inner wall
Go out stainless steel case it is external and it is turned-out fold edge, the edge is set between the flange of two adjacent Stainless Steel Shells.
The inner wall of Stainless Steel Shell is coated with polytetrafluoroethylene ethylene layer liner in above-mentioned patent, although with good corrosion resistant
Corrosion energy, but aging can occur under conditions of acid, high pressure for a long time for polytetrafluoroethylene (PTFE), and then generate crack, hydrochloric acid from
Frerrous chloride is generated after reacting in crack with stainless steel and reoxidizes generation iron chloride so that hydrochloric acid turns yellow, and ferrous contaminants increase
Add, need to send after hydrochloric acid is sampled in the prior art to test in laboratory, it is inconvenient and not prompt enough to detect.
Utility model content
For it is existing the technical issues of, the utility model provides a kind of hydrochloric acid tank, is set by being arranged on surface of shell
Hydrochloric acid detection device has the advantages that easy to detect, timely.
To achieve the above object, the utility model provides following technical solution：
A kind of hydrochloric acid tank, including Stainless Steel Shell, the inner walls are provided with acidproof liner layer, the liner layer
Inside forms the inner cavity of storage hydrochloric acid, and feed pipe and discharge nozzle, the housing are respectively arranged at the top and bottom of the housing
On be provided with probe tube in communication with the inner cavity, sampling valve is provided on the probe tube, the probe tube is far from the shell
Body one end is provided with the reative cell communicated therewith, and the reative cell uses transparent and corrosion-resistant material；
The detection device for detecting reaction indoor sample is provided on the housing exterior walls.
Through the above technical solutions, working as hydrochloric acid tank after a period of use, sampling valve is opened, passes through a small amount of hydrochloric acid
Probe tube enters in reative cell, then detects in hydrochloric acid whether contain iron ion, while judge containing for iron ion by detection device
Whether amount is exceeded.It is sent since testing staff does not need to sampling to test in laboratory, it is easy to detect, and liner can be found in time
Whether layer there is crack.
Further, the detection device includes reagent chamber, detection pipe and detection valve, and liquid is contained in the reagent chamber
Reagent, the reagent can react with iron ion and generate colored precipitate；
The both ends of the detection pipe connect respectively with the reagent chamber and reative cell, and the detection valve is located at the detection pipe
On；
The reative cell is provided with drain pipe far from the probe tube side, and drain valve is provided on the drain pipe.
Through the above technical solutions, closing drain valve, after a small amount of hydrochloric acid enters reative cell by probe tube, inspection is opened
Side valve, the reagent of liquid enter reative cell by detection pipe and are reacted with the iron ion in hydrochloric acid solution and generate colored precipitate, by
It is transparent material in reative cell, when not occurring colored precipitate, illustrates that liner layer is in good condition, unaged generation crack；Work as appearance
During colored precipitate, illustrate that liner layer aging generates crack, need that liner layer is repaired or replaced；After detection, open
Tapping valve passes through the solution after drain pipe discharge reaction.
Further, the reagent is sodium hydroxide solution.
Through the above technical solutions, sodium hydroxide solution can first neutralize hydrochloric acid solution, then with the iron ion in solution
Reaction, ferrous ion generate the ferrous hydroxide precipitation of white after being reacted with sodium hydroxide, then rapid oxidation is red
Iron hydroxide, ferric ion directly reacts the red ferric hydroxide precipitate of generation with sodium hydroxide, by the face for observing solution
The depth of color change and color may determine that the degree of liner layer aging, and the reaction is mild and will not have pollution
Substance.
Further, pH detectors are provided on the lateral wall of the housing, the pH detectors include controller, display
Panel and electrode probe, the reative cell offer the detection hole being inserted into for the electrode probe towards the housing side.
Through the above technical solutions, the electrode probe of pH detectors is inserted into detection hole during detection, detection valve, hydrogen are opened
It is 7 that sodium oxide molybdena enters reative cell first to react with hydrochloric acid to pH value of solution by detection pipe, adds excessive sodium hydroxide, hydroxide
Sodium reacts the red ferric hydroxide precipitate of generation with iron ion, avoids sodium hydroxide additive amount is very few from causing to judge by accident, so as to improve
Accuracy of detection.
Further, the probe tube is set as multiple on the lateral wall of the housing, taking far from the reative cell
Sample pipe is connected with reative cell by branch pipe.
Through the above technical solutions, by setting multiple probe tubes, the use shape of the liner layer of different parts can be detected
State further improves accuracy of detection.
Further, the pure water pipe communicated therewith, the connection of the pure water pipe and probe tube are provided on the probe tube
Place is located at side of the sampling valve far from the housing.
Through the above technical solutions, after detecting each time, a small amount of hydrochloric acid solution can be remained in probe tube, can be influenced
Testing result next time.After detection, drain valve is opened, the solution after reaction is discharged, sampling valve is closed, passes through pure water
Pipe conveys pure water into probe tube, probe tube and reative cell is cleaned, so as to improve accuracy of detection next time.
Further, the mounting height of the reagent chamber is more than the reative cell.
Through the above technical solutions, after opening detection valve, the indoor reagent of reagent is automatically flowed by gravity in reative cell,
It does not need to that kinetic pump additionally is installed.
Further, the reative cell is cylindrical and using glass steel material.
Through the above technical solutions, fiberglass is not only transparent but also acid-alkali-corrosive-resisting performance is good, detection knot is facilitated look at
Fruit.
Compared with prior art, the beneficial effects of the utility model are：
（1）By setting probe tube, reative cell and detection device, testing staff does not need to sampling and send to test in laboratory,
It is easy to detect, and can find whether liner layer crack occurs in time, improve hydrochloric acid storage quality；
（2）By setting pH detectors and detection hole, the pH of hydrochloric acid solution is first adjusted to 7, sodium hydroxide is avoided to add
Measure it is very few cause to judge by accident, so as to improve accuracy of detection；
（3）By setting multiple probe tubes, the use state of the liner layer of different parts can be detected, further improves inspection
Survey precision；
（4）By setting pure water pipe, after detection, the solution after reaction is discharged, sampling valve is closed, passes through pure water pipe
Pure water is conveyed into probe tube, probe tube and reative cell is cleaned, avoids remaining a small amount of hydrochloric acid solution, so as to improve next time
Accuracy of detection.
Description of the drawings
Fig. 1 is the overall structure diagram of the utility model.
Reference numeral：1st, housing；2nd, liner layer；3rd, inner cavity；4th, feed pipe；5th, discharge nozzle；6th, probe tube；7th, sampling valve；
8th, reative cell；9th, reagent chamber；10th, detection pipe；11st, valve is detected；12nd, drain pipe；13rd, drain valve；14th, pH detectors；141st, it controls
Device processed；142nd, display panel；143rd, electrode probe；15th, detection hole；16th, branch pipe；17th, pure water pipe.
Specific embodiment
With reference to the accompanying drawings and examples, the utility model is described in detail.
As shown in Figure 1, a kind of hydrochloric acid tank, including Stainless Steel Shell 1,1 inner wall of housing is provided with acidproof liner layer 2,
Fiberglass or polytetrafluoroethylene material may be used in liner layer 2.2 inside of liner layer forms the inner cavity 3 of storage hydrochloric acid, housing 1
Top and bottom be respectively arranged with feed pipe 4 and discharge nozzle 5.
In order to facilitate the state of detection liner layer 2, it is provided with the probe tube 6 connected with inner cavity 3 on housing 1, on probe tube 6
Sampling valve 7 is provided with, probe tube 6 is provided with the columned reative cell 8 communicated therewith far from 1 one end of housing, and reative cell 8 uses
Transparent and corrosion-resistant material, preferably glass steel material.It is provided with to detect sample in reative cell 8 on 1 outer wall of housing
Detection device, detection device include reagent chamber 9, detection pipe 10 and detection valve 11, the reagent of liquid, examination are contained in reagent chamber 9
Agent can react with iron ion and generate colored precipitate, and reagent is preferably sodium hydroxide solution.The both ends of detection pipe 10 respectively with
Reagent chamber 9 connects with reative cell 8, and detection valve 11 is located in detection pipe 10, and reative cell 8 is provided with discharge far from 6 side of probe tube
The drain pipe 12 of solution after reaction is provided with drain valve 13 on drain pipe 12.In order to energy saving, the installation of reagent chamber 9 is high
Degree is more than reative cell 8, so as to which the reagent in reagent chamber 9 be made to be automatically flowed into reative cell 8 by gravity.
When hydrochloric acid tank after a period of use, close drain valve 13, open sampling valve 7, pass through a small amount of hydrochloric acid and take
Sample pipe 6 enters in reative cell 8, opens detection valve 11, and sodium hydroxide solution enters reative cell 8 and hydrochloric acid solution by detection pipe 10
In iron ion react and generate the ferric hydroxide precipitate of white ferrous hydroxide precipitation or red.Since reative cell 8 is
Bright material when not occurring colored precipitate, illustrates that liner layer 2 is in good condition, unaged generation crack；When there is colored precipitate,
Illustrate that 2 aging of liner layer generates crack, need that liner layer 2 is repaired or replaced.It is sent since testing staff does not need to sampling
It is easy to detect to test in laboratory, and can find whether liner layer 2 crack occurs in time.
In order to improve accuracy of detection, pH detectors 14 are provided on the lateral wall of housing 1, pH detectors 14 include controller
141st, display panel 142 and electrode probe 143, reative cell 8 offer the inspection of 143 insertion of power pole probe towards 1 side of housing
Gaging hole 15.The electrode probe 143 of pH detectors 14 is inserted into detection hole 15 during detection, opens detection valve 11, sodium hydroxide leads to
It is 7 to cross detection pipe 10 to enter reative cell 8 first to react with hydrochloric acid to pH value of solution, adds excessive sodium hydroxide, sodium hydroxide and
The red ferric hydroxide precipitate of iron ion reaction generation, avoids sodium hydroxide additive amount is very few from causing to judge by accident.
In order to further improve accuracy of detection, probe tube 6 is set as multiple on the lateral wall of housing 1, the number of probe tube 6
Amount preferably three and the both ends and bottom for being located at 1 length direction of housing respectively.Probe tube 6 and reative cell 8 far from reative cell 8
It is connected by branch pipe 16.By setting multiple probe tubes 6, the use state of the liner layer 2 of different parts can be detected.
After detecting each time, a small amount of hydrochloric acid solution can be remained in probe tube 6, detection next time can be influenced
As a result.Therefore, the pure water pipe 17 communicated therewith is provided on probe tube 6, pure water pipe 17 and the connectivity part of probe tube 6 are located at sampling
Side of the valve 7 far from housing 1.After detection, the solution after reaction is discharged, closes sampling valve 7, by pure water pipe 17 to taking
Conveying pure water in sample pipe 6, cleans probe tube 6 and reative cell 8, so as to improve accuracy of detection next time.
It the course of work of the utility model and has the beneficial effect that：
When hydrochloric acid tank after a period of use, close drain valve 13, open sampling valve 7, pass through a small amount of hydrochloric acid and take
Sample pipe 6 enters in reative cell 8, and the electrode probe 143 of pH detectors 14 is inserted into detection hole 15, opens detection valve 11, hydrogen-oxygen
It is 7 to change sodium to enter reative cell 8 first to react with hydrochloric acid to pH value of solution by detection pipe 10, adds excessive sodium hydroxide, hydrogen-oxygen
Change sodium solution react with the iron ion in hydrochloric acid solution and generate that white ferrous hydroxide precipitates or red iron hydroxide sinks
It forms sediment.
Since reative cell 8 is transparent material, may determine that by the depth of color change and color for observing solution interior
The degree of 2 aging of lining.It is sent since testing staff does not need to sampling to test in laboratory, it is easy to detect, and can send out in time
Whether existing liner layer 2 there is crack.
After detection, open drain valve 13, by after reaction solution discharge, close sampling valve 7, by pure water pipe 17 to
Conveying pure water in probe tube 6, cleans probe tube 6 and reative cell 8, avoids remaining a small amount of hydrochloric acid solution, so as to improve next time
Accuracy of detection.
The above is only the preferred embodiment of the utility model, and the scope of protection of the utility model is not limited merely to
Above-described embodiment, all technical solutions belonged under the utility model thinking belong to the scope of protection of the utility model.It should refer to
Go out, for those skilled in the art, several improvement under the premise of the utility model principle is not departed from and
Retouching, these improvements and modifications also should be regarded as the scope of protection of the utility model.
Claims (8)
1. a kind of hydrochloric acid tank, including Stainless Steel Shell（1）, the housing（1）Inner wall is provided with acidproof liner layer（2）, institute
State liner layer（2）Inside forms the inner cavity of storage hydrochloric acid（3）, the housing（1）Top and bottom be respectively arranged with feed pipe
（4）And discharge nozzle（5）, which is characterized in that the housing（1）On be provided with and the inner cavity（3）The probe tube of connection（6）, institute
State probe tube（6）On be provided with sampling valve（7）, the probe tube（6）Far from the housing（1）One end is provided with what is communicated therewith
Reative cell（8）, the reative cell（8）Using transparent and corrosion-resistant material；
The housing（1）It is provided with to detect reative cell on outer wall（8）The detection device of interior sample.
2. hydrochloric acid tank according to claim 1, which is characterized in that the detection device includes reagent chamber（9）, detection pipe
（10）With detection valve（11）, the reagent chamber（9）The reagent of liquid is inside contained with, the reagent can be reacted and be given birth to iron ion
Into colored precipitate；
The detection pipe（10）Both ends respectively with the reagent chamber（9）And reative cell（8）Connection, the detection valve（11）It is located at
The detection pipe（10）On；
The reative cell（8）Far from the probe tube（6）Side is provided with drain pipe（12）, the drain pipe（12）On be provided with
Drain valve（13）.
3. hydrochloric acid tank according to claim 2, which is characterized in that the reagent is sodium hydroxide solution.
4. hydrochloric acid tank according to claim 3, which is characterized in that the housing（1）Lateral wall on be provided with pH inspection
Survey instrument（14）, the pH detectors（14）Including controller（141）, display panel（142）And electrode probe（143）, it is described anti-
Answer room（8）Towards the housing（1）Side is offered for the electrode probe（143）The detection hole of insertion（15）.
5. hydrochloric acid tank according to claim 2, which is characterized in that the probe tube（6）In the housing（1）Outside
It is set as multiple on wall, far from the reative cell（8）Probe tube（6）With reative cell（8）Pass through branch pipe（16）Connection.
6. hydrochloric acid tank according to claim 2, which is characterized in that the probe tube（6）On be provided with what is communicated therewith
Pure water pipe（17）, the pure water pipe（17）With probe tube（6）Connectivity part be located at the sampling valve（7）Far from the housing（1）
Side.
7. hydrochloric acid tank according to claim 2, which is characterized in that the reagent chamber（9）Mounting height be more than it is described
Reative cell（8）.
8. hydrochloric acid tank according to claim 1, which is characterized in that the reative cell（8）It is cylindrical and using glass
Steel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721696752.1U CN207595755U (en) | 2017-12-07 | 2017-12-07 | A kind of hydrochloric acid tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721696752.1U CN207595755U (en) | 2017-12-07 | 2017-12-07 | A kind of hydrochloric acid tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207595755U true CN207595755U (en) | 2018-07-10 |
Family
ID=62763893
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721696752.1U Active CN207595755U (en) | 2017-12-07 | 2017-12-07 | A kind of hydrochloric acid tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207595755U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114655593A (en) * | 2022-04-15 | 2022-06-24 | 南通四方罐式储运设备制造有限公司 | Tank container and cleaning method thereof |
-
2017
- 2017-12-07 CN CN201721696752.1U patent/CN207595755U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114655593A (en) * | 2022-04-15 | 2022-06-24 | 南通四方罐式储运设备制造有限公司 | Tank container and cleaning method thereof |
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