CN104211191A - Mechanical apparatus for producing ethylenebis(nitrilodimethylene)tetraphosphonic acid compounded scale inhibitor - Google Patents
Mechanical apparatus for producing ethylenebis(nitrilodimethylene)tetraphosphonic acid compounded scale inhibitor Download PDFInfo
- Publication number
- CN104211191A CN104211191A CN201310212887.6A CN201310212887A CN104211191A CN 104211191 A CN104211191 A CN 104211191A CN 201310212887 A CN201310212887 A CN 201310212887A CN 104211191 A CN104211191 A CN 104211191A
- Authority
- CN
- China
- Prior art keywords
- reaction kettle
- chemical reaction
- storage tank
- import
- 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.)
- Pending
Links
Landscapes
- Preventing Corrosion Or Incrustation Of Metals (AREA)
Abstract
The invention discloses a mechanical apparatus for producing an ethylenebis(nitrilodimethylene)tetraphosphonic acid compounded scale inhibitor, and the apparatus belongs to the field of chemical engineering. The apparatus comprises a phosphorus trichloride storage tank, a formaldehyde aqueous solution storage tank, a first chemical reaction kettle, an agitator tank and a second chemical reaction kettle, and is characterized in that a first pipe is arranged between the phosphorus trichloride storage tank and the first chemical reaction kettle; a second pipe is arranged between the formaldehyde aqueous solution storage tank and the first chemical reaction kettle; the first chemical reaction kettle is provided with an ethene diamine inlet and a water inlet; a first slurry pump and a pipe is arranged between the first chemical reaction kettle and the agitator tank, and the agitator tank is provided with a sodium phosphate aqueous solution inlet; a second slurry pump and a pipe are arranged between the agitator tank and the second chemical reaction kettle, and the second chemical reaction kettle is provided with an ammonia water inlet, a water-soluble benzotriazole inlet, a sodium polyacrylate inlet and a finished product outlet; and all slurry pumps are stainless steel slurry pumps, and all pipes are polyethylene pipes.
Description
Technical field
The invention belongs to chemical field, particularly relate to a kind of mechanism producing ethylenediamine tetramethylene phosphonic acid combinational antisludging agent.
Background technology
Ethylenediamine tetramethylene phosphonic acid, has another name called ethylenediamine tetraacetic methene phosphoric acid, EDTMPA, molecular formula is C6H20N2O12P4, molecular weight is 436.12, and under normal temperature, ethylenediamine tetramethylene phosphonic acid is white crystalline powder, fusing point 215-217 DEG C, industrial goods are faint yellow or brown color clear viscous liquids, relative density 1.3 ~ 1.4, chemical stability is good, is slightly soluble in water, at room temperature solubleness is less than 5%, is soluble in ammoniacal liquor.The purposes of ethylenediamine tetramethylene phosphonic acid has: 1. the anti-incrustation corrosion inhibitor, the Scale inhibitors of recirculated cooling water, the stablizer, electroplating industry metal ion chelation agent etc. of superoxide that are used as steam boiler, ethylenediamine tetramethylene phosphonic acid has the ability of very strong chelated metal ions, maximum in all sequestrants with the complexation constant of cupric ion, the sequestering power of ethylenediamine tetramethylene phosphonic acid far exceedes ethylenediamine tetraacetic acid (EDTA) and diethyl pentetic acid, almost all can substitute with ethylenediamine tetramethylene phosphonic acid in the place that sequestrant made by all use ethylenediamine tetraacetic acid (EDTA)s; 2. ethylenediamine tetramethylene phosphonic acid is high purity reagent and nontoxic, can be used as the clean-out system of semi-conductor chip for the manufacture of unicircuit in electron trade; 3. that makes radioelement in pharmaceutical industries carries agent, for checking and disease therapy.The present invention is a kind of mechanism producing ethylenediamine tetramethylene phosphonic acid combinational antisludging agent, this device is with the first chemical reaction kettle, phosphorus trichloride storage tank, formalin storage tank, stirred pot, second chemical reaction kettle is equipment, with quadrol, water, phosphorus trichloride, formalin, sodium phosphate, ammoniacal liquor, water-soluble benzotriazole, sodium polyacrylate is raw material, producing by ethylenediamine tetramethylene phosphonic acid, the composite of auxiliary material produces ethylenediamine tetramethylene phosphonic acid combinational antisludging agent, this device has use general-purpose equipment, technique is simple, low production cost, without the advantage that " three wastes " discharge, product is except having fabulous scale effect, also there is excellent corrosion mitigating effect.
Summary of the invention:
The problem that the present invention mainly solves there is provided a kind of mechanism producing ethylenediamine tetramethylene phosphonic acid combinational antisludging agent, this device produces ethylenediamine tetramethylene phosphonic acid combinational antisludging agent with the first chemical reaction kettle, phosphorus trichloride storage tank, formalin storage tank, stirred pot, the second chemical reaction kettle for equipment, the advantage of this device is: use general-purpose equipment, technique is simple, low production cost, without " three wastes " discharge, product, except having fabulous scale effect, also has excellent corrosion mitigating effect.
The technical solution used in the present invention is:
Produce a mechanism for ethylenediamine tetramethylene phosphonic acid combinational antisludging agent, comprising: phosphorus trichloride storage tank, formalin storage tank, the first chemical reaction kettle, stirred pot, the second chemical reaction kettle; It is characterized in that: between phosphorus trichloride storage tank and the first chemical reaction kettle, be provided with the first pipeline, second pipe is provided with between formalin storage tank and the first chemical reaction kettle, first chemical reaction kettle is provided with quadrol import, water inlet, the first shurry pump and pipeline is provided with between the first chemical reaction kettle and stirred pot, stirred pot is provided with sodium phosphate aqueous solution import, be provided with the second shurry pump and pipeline between stirred pot and the second chemical reaction kettle, the second chemical reaction kettle is provided with ammoniacal liquor import, water-soluble benzotriazole import, sodium polyacrylate import, product outlet.
Further technical scheme of the present invention is:
Described whole shurry pumps are stainless steel shurry pump, and whole pipeline is polyethylene pipe.
The invention has the beneficial effects as follows: provide a kind of mechanism producing ethylenediamine tetramethylene phosphonic acid combinational antisludging agent, this device uses general-purpose equipment, and technique is simple, low production cost, without " three wastes " discharge, product, except having fabulous scale effect, also has excellent corrosion mitigating effect.
Accompanying drawing illustrates:
If Fig. 1 is structure iron of the present invention.
Embodiment
The particular content using this mechanism to produce ethylenediamine tetramethylene phosphonic acid combinational antisludging agent most preferred embodiment is further illustrated below in conjunction with accompanying drawing:
1, produce a mechanism for ethylenediamine tetramethylene phosphonic acid combinational antisludging agent, comprising: phosphorus trichloride storage tank 1, formalin storage tank 2, first chemical reaction kettle 3, stirred pot 4, second chemical reaction kettle 5, it is characterized in that: between phosphorus trichloride storage tank 1 and the first chemical reaction kettle 3, be provided with the first pipeline 6, second pipe 7 is provided with between formalin storage tank 2 and the first chemical reaction kettle 3, first chemical reaction kettle 3 is provided with quadrol import 8, water inlet 9, the first shurry pump and pipeline 10 is provided with between the first chemical reaction kettle 3 and stirred pot 4, stirred pot 4 is provided with sodium phosphate aqueous solution import 11, the second shurry pump and pipeline 12 is provided with between stirred pot 4 and the second chemical reaction kettle 5, second chemical reaction kettle 5 is provided with ammoniacal liquor import 13, water-soluble benzotriazole import 14, sodium polyacrylate import 15, product outlet 16, described whole shurry pumps are stainless steel shurry pump, and whole pipeline is polyethylene pipe.
2, by being arranged at the quadrol import 8 on chemical reaction kettle 3, the quadrol of formula ratio and water are sent in chemical reaction kettle 3 by water inlet 9, still is sealed, start agitator, the rotating speed of agitator is 30 revs/min, then being utilized by the phosphorus trichloride in phosphorus trichloride storage tank 1 difference of altitude to pass through the first pipeline 6 be arranged between phosphorus trichloride storage tank 1 and the first chemical reaction kettle 3 is dropping in the first chemical reaction kettle 3 slowly, because of exothermic heat of reaction, by the rate of addition that controls phosphorus trichloride and then the real-time temperature that controls in the first chemical reaction kettle 3 between 45-55 DEG C, after phosphorus trichloride drips and finishes, utilize difference of altitude to pass through the second pipe 7 be arranged between formalin storage tank 2 and the first chemical reaction kettle 3 slowly formalin to be instilled in the first chemical reaction kettle 3, drip after finishing and in the interlayer of the first chemical reaction kettle 3, send into steam immediately temperature in the first chemical reaction kettle 3 is risen to 105-115 DEG C, stirring reaction 5.1-5.3 hour.
3, the reaction solution in the first chemical reaction kettle 3 is sent into stirred pot 4 and stirred by being arranged at the first shurry pump between the first chemical reaction kettle 3 and stirred pot 4 and pipeline 10 and use the mode of blowing to be cooled to normal temperature, to normal temperature, the sodium phosphate aqueous solution being added formula ratio by the sodium phosphate aqueous solution import 11 be arranged on stirred pot 4 is stirred, and obtains ethylenediamine tetramethylene phosphonic acid solution.
4, ethylenediamine tetramethylene phosphonic acid solution is sent into and started stirrer after in the second chemical reaction kettle 5 by being arranged at the second shurry pump between stirred pot 4 and the second chemical reaction kettle 5 and pipeline 12 and stir, the rotating speed of agitator is 40 revs/min, steam is sent into immediately in the interlayer of the second chemical reaction kettle 5, make slowly to heat up in reactor, control temperature is between 35 DEG C-40 DEG C, stop heating up, by being arranged at the ammoniacal liquor import 13 on the second chemical reaction kettle 5, water-soluble benzotriazole import 14, sodium polyacrylate import 15 adds the ammoniacal liquor of formula ratio respectively, water-soluble benzotriazole and sodium polyacrylate, stir after 0.5 hour and stop stirring, finished product is obtained after being cooled to normal temperature, by being arranged at outlet 16 discharging on the second chemical reaction kettle 5.
Claims (2)
1. produce a mechanism for ethylenediamine tetramethylene phosphonic acid combinational antisludging agent, comprising: phosphorus trichloride storage tank (1), formalin storage tank (2), the first chemical reaction kettle (3), stirred pot (4), the second chemical reaction kettle (5), it is characterized in that: between phosphorus trichloride storage tank (1) and the first chemical reaction kettle (3), be provided with the first pipeline (6), second pipe (7) is provided with between formalin storage tank (2) and the first chemical reaction kettle (3), first chemical reaction kettle (3) is provided with quadrol import (8), water inlet (9), the first shurry pump and pipeline (10) is provided with between the first chemical reaction kettle (3) and stirred pot (4), (4 are provided with sodium phosphate aqueous solution import (11) to stirred pot, the second shurry pump and pipeline (12) is provided with between stirred pot (4) and the second chemical reaction kettle (5), second chemical reaction kettle (5) is provided with ammoniacal liquor import (13), water-soluble benzotriazole import (14), sodium polyacrylate import (15), product outlet (16).
2. a kind of mechanism producing ethylenediamine tetramethylene phosphonic acid combinational antisludging agent according to claim 1, it is characterized in that: described whole shurry pumps are stainless steel shurry pump, whole pipeline is polyethylene pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310212887.6A CN104211191A (en) | 2013-06-02 | 2013-06-02 | Mechanical apparatus for producing ethylenebis(nitrilodimethylene)tetraphosphonic acid compounded scale inhibitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310212887.6A CN104211191A (en) | 2013-06-02 | 2013-06-02 | Mechanical apparatus for producing ethylenebis(nitrilodimethylene)tetraphosphonic acid compounded scale inhibitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104211191A true CN104211191A (en) | 2014-12-17 |
Family
ID=52093158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310212887.6A Pending CN104211191A (en) | 2013-06-02 | 2013-06-02 | Mechanical apparatus for producing ethylenebis(nitrilodimethylene)tetraphosphonic acid compounded scale inhibitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104211191A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104193018A (en) * | 2014-09-05 | 2014-12-10 | 张慧慧 | Novel ethylenediamine tetramethylenephosphonic acid compound scale inhibitor production device |
-
2013
- 2013-06-02 CN CN201310212887.6A patent/CN104211191A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104193018A (en) * | 2014-09-05 | 2014-12-10 | 张慧慧 | Novel ethylenediamine tetramethylenephosphonic acid compound scale inhibitor production device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103059825B (en) | Corrosion inhibitor for oil wells and preparation method | |
| CN103642479A (en) | Cleaning agent for residual oil well cement precipitation layer on inner wall of pipeline | |
| CN103275121B (en) | A kind of Amino Trimethylene Phosphonic Acid continuous production technology | |
| CN110294982A (en) | Anti-corrosion, wax control, scale prevention coating and preparation method thereof | |
| CN101519244A (en) | Compound scale inhibitor for treating recirculated cooling water and preparation method thereof | |
| CN101565490B (en) | Method for producing environment-friendly high-performance novolac resin | |
| CN204017849U (en) | Novel ethylene diamine tetramethylene phosphonic acid combinational antisludging agent process units | |
| CN104211191A (en) | Mechanical apparatus for producing ethylenebis(nitrilodimethylene)tetraphosphonic acid compounded scale inhibitor | |
| CN105152370A (en) | Preparation method of bis-imidazoline phosphate corrosion and scale inhibitor | |
| CN104193018A (en) | Novel ethylenediamine tetramethylenephosphonic acid compound scale inhibitor production device | |
| CN103420509A (en) | Preparation method of sodium salt of hydroxyl ethylidene diphosphonic acid compound scale inhibitor | |
| CN105585342B (en) | Amino trimethylene methylenephosphonic acid chelated microelement fertilizer, and preparation method thereof and Preparation equipment | |
| CN202542959U (en) | Novel ethylenediamine tetramethylene sodium phosphonate composite corrosion and scale inhibitor production device | |
| CN102515372A (en) | Composite scale inhibitor using recycled water in circulating cooling water system and preparation method of composite scale inhibitor | |
| CN104211186A (en) | Preparation method for ethylenebis(nitrilodimethylene)tetraphosphonic acid compounded scale inhibitor | |
| CN104671445A (en) | Low-phosphorus treatment method of boiler water | |
| CN102502976A (en) | High-efficiency scale inhibition and dispersion bactericide and preparation method thereof | |
| CN203307127U (en) | Novel hydroxyethylidene diphosphonic acid compounded scale inhibitor production device | |
| CN103483380B (en) | A kind of ethylenediamine tetramethylene phosphonic acid continuous production method | |
| CN104211192A (en) | Preparation method for 2-phosphonobutane-1,2,4-tricarboxylic acid compounded scale inhibitor | |
| CN101497480B (en) | Novel industrial water treatment agent and preparation thereof | |
| CN104710022A (en) | Scale inhibitor and production method thereof | |
| CN105692931A (en) | Polyaspartic acid-diethylenetriamine pentamethylene phosphonic acid compound scale inhibitor | |
| CN104773844B (en) | Corrosion inhibitor for closed circulating cooling water system and preparation method and application thereof | |
| CN104211193A (en) | Mechanical apparatus for producing 2-phosphonobutane-1,2,4-tricarboxylic acid compounded scale inhibitor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20141217 |