CN106000230A - High-pressure reaction vessel special for preparation of low-length/diameter-ratio iron oxide yellow - Google Patents
High-pressure reaction vessel special for preparation of low-length/diameter-ratio iron oxide yellow Download PDFInfo
- Publication number
- CN106000230A CN106000230A CN201610596246.9A CN201610596246A CN106000230A CN 106000230 A CN106000230 A CN 106000230A CN 201610596246 A CN201610596246 A CN 201610596246A CN 106000230 A CN106000230 A CN 106000230A
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- kettle
- valve
- pressure
- reactor
- iron oxide
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J3/00—Processes of utilising sub-atmospheric or super-atmospheric pressure to effect chemical or physical change of matter; Apparatus therefor
- B01J3/04—Pressure vessels, e.g. autoclaves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J3/00—Processes of utilising sub-atmospheric or super-atmospheric pressure to effect chemical or physical change of matter; Apparatus therefor
- B01J3/02—Feed or outlet devices therefor
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
The invention relates to a high-pressure reaction vessel special for preparation of low-length/diameter-ratio iron oxide yellow. The high-pressure reaction vessel special for preparation of the low-length/diameter-ratio iron oxide yellow comprises a kettle body, a kettle cover and an outer reaction kettle layer containing an electric heating wire, wherein the kettle body is connected with the kettle cover through a flange; a discharge valve is arranged at the bottom of the kettle body. The high-pressure reaction vessel is characterized in that an automatic pH control device, an electronic high-pressure caustic soda liquid charging valve, a high-pressure seed crystal charging valve, a temperature indication device, a high-pressure air inlet valve, a pressure meter and an automatic exhaust valve are arranged on the kettle cover. According to the reaction kettle, alkali liquor is automatically added according to the pH, and air is automatically exchanged, so that the pressure and the pH can be automatically controlled.
Description
Technical field
The present invention relates to one and prepare low draw ratio iron oxide yellow special high-pressure reactor.
Background technology
Need to use speciality autoclave during preparing low draw ratio iron oxide yellow, control the temperature of reaction, pH, pressure and other parameters with accurate.During preparing low draw ratio iron oxide yellow, need to reach the air pressure of 1.4-2.0MPa, and need to add liquid caustic soda regulation pH at any time, when controlling the air pressure of certain numerical value, need automatically more to ventilate, to ensure being normally carried out of reaction.
Summary of the invention
The present invention overcomes the deficiency existing for the reactor of currently available technology, it is provided that a kind of can automatically control pH, replacing automatic pressure-controlled, automatic reaction gas reactor device.
In order to realize above-mentioned purpose, present invention employs following technical scheme:
One prepares low draw ratio iron oxide yellow special high-pressure reactor, and this reactor includes kettle, kettle cover and the reactor outer layer containing heating wire, and kettle is connected by flange with kettle cover, and autoclave body bottom arranges baiting valve；It is characterized in that: on kettle cover, be provided with pH automaton, electronic high voltage liquid caustic soda charging valve, high pressure crystal seed charging valve, temperature indicating device, high pressure admission valve, Pressure gauge and automatic exhaust steam valve；PH automaton includes that pH display and pH measure probe, pH display is arranged on outside kettle cover, pH measures probe and is arranged on autoclave body bottom, and pH automaton connects control electronic high voltage liquid caustic soda charging valve, is automatically switched off electronic high voltage liquid caustic soda charging valve measuring after pH reaches to set pH；Temperature indicating device includes that temperature probe, temperature probe are arranged on autoclave body bottom；High pressure admission valve is connected with air hose, air hose extends to autoclave body bottom, outside air is squeezed in kettle for the oxygen needed for reaction by high pressure admission valve, by automatic exhaust steam valve, reactor off-gas is discharged outside kettle, then outside air is squeezed in kettle again by high pressure admission valve, circulate successively, it is ensured that oxygen content and force value in kettle.
As preferably, described air hose includes the comb being arranged on autoclave body bottom, and comb is provided with gas outlet.
Due to the fact that and have employed above-mentioned technical scheme, it is provided that a kind of reactor adding the automatic pressure-controlled control pH that alkali liquor the most more ventilates automatically according to pH.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawings the detailed description of the invention of the present invention is made a detailed explanation.
One as shown in Figure 1 prepares low draw ratio iron oxide yellow special high-pressure reactor, and this reactor includes kettle 12, kettle cover 13 and the reactor outer layer containing heating wire 8, and kettle 12 is connected by flange with kettle cover 13, arranges baiting valve 14 bottom kettle 12；PH automaton 1, electronic high voltage liquid caustic soda charging valve 2, high pressure crystal seed charging valve 3, temperature indicating device 4, high pressure admission valve 5, Pressure gauge 6 and automatic exhaust steam valve 7 it is provided with on kettle cover 13；PH automaton 1 includes that pH display and pH measure probe 9, pH display is arranged on outside kettle cover 13, pH measures probe 9 and is arranged on bottom kettle 12, pH automaton 1 connects control electronic high voltage liquid caustic soda charging valve 2, is automatically switched off electronic high voltage liquid caustic soda charging valve 2 measuring after pH reaches to set pH；Temperature indicating device 4 includes that temperature probe 10, temperature probe 10 are arranged on bottom kettle 12；High pressure admission valve 5 is connected with air hose 11, and air hose 11 extends to bottom kettle 12, and air hose 11 includes being arranged on the comb bottom kettle 12, and comb is provided with gas outlet.It is interior for the oxygen needed for reaction that outside air is squeezed into kettle 12 by high pressure admission valve 5, by automatic exhaust steam valve 7, reactor off-gas is discharged outside kettle 12, then outside air is squeezed in kettle 12 again by high pressure admission valve 5, circulates successively, it is ensured that oxygen content and force value in kettle 12.
The function of each parts of the present invention is as follows:
A: include heater heating wire 8 on kettle, can be electrically heated kettle 12, equipped with temperature-indicating instrument on kettle 12, temperature-indicating instrument includes temperature instruction 4 and temperature-sensing probe 10, reacting when can be accurate temperature in solution reaction kettle, in order to reaction is normally carried out.
PH automaton 1 is included on B: kettle 12, it is measured probe 9 by pH display, pH and forms, wherein pH analyzer is connected with electronic high voltage liquid caustic soda charging valve 2, it is automatically switched off charging valve after reaching to set pH, due to be used for reaction its control of pH is required higher, so pH automaton is normally carried out holding the balance for reaction.
The device of replacing automatic pressure-controlled, automatic reaction gas reactor is included on C: kettle 12, it is by Pressure gauge 6, high pressure admission valve 5, automatic exhaust valve 7, outside air squeezed in kettle 12 for the oxygen needed for reaction by high pressure admission valve 5, by automatic exhaust steam valve 7, reactor off-gas is discharged outside kettle 12, now outside air is squeezed into again in kettle 12 by high pressure admission valve, circulate successively, it is ensured that oxygen content and force value in kettle 12, to ensure being normally carried out of reaction.
D: kettle 12 includes high-pressure crystal seed charging valve 3, crystal seed can be squeezed into kettle 12 internal.
E: kettle 12 includes baiting valve, after completion of the reaction by baiting valve blowing.
Claims (2)
1. prepare low draw ratio iron oxide yellow special high-pressure reactor for one kind, this reactor includes kettle (12), kettle cover (13) and the reactor outer layer containing heating wire (8), kettle (12) is connected by flange with kettle cover (13), and kettle (12) bottom arranges baiting valve (14)；It is characterized in that: on kettle cover (13), be provided with pH automaton (1), electronic high voltage liquid caustic soda charging valve (2), high pressure crystal seed charging valve (3), temperature indicating device (4), high pressure admission valve (5), Pressure gauge (6) and automatic exhaust steam valve (7)；PH automaton (1) includes that pH display and pH measure probe (9), pH display is arranged on kettle cover (13) outside, pH measures probe (9) and is arranged on kettle (12) bottom, pH automaton (1) connects control electronic high voltage liquid caustic soda charging valve (2), is automatically switched off electronic high voltage liquid caustic soda charging valve (2) measuring after pH reaches to set pH；Temperature indicating device (4) includes that temperature probe (10), temperature probe (10) are arranged on kettle (12) bottom；High pressure admission valve (5) is connected with air hose (11), air hose (11) extends to kettle (12) bottom, it is interior for the oxygen needed for reaction that outside air is squeezed into kettle (12) by high pressure admission valve (5), by automatic exhaust steam valve (7), reactor off-gas is discharged kettle (12) outward, then in outside air is squeezed into again kettle (12) by high pressure admission valve (5), circulate successively, it is ensured that kettle (12) interior oxygen content and force value.
One the most according to claim 1 prepares low draw ratio iron oxide yellow special high-pressure reactor, it is characterised in that: air hose (11) includes the comb being arranged on kettle (12) bottom, and comb is provided with gas outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610596246.9A CN106000230A (en) | 2016-07-27 | 2016-07-27 | High-pressure reaction vessel special for preparation of low-length/diameter-ratio iron oxide yellow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610596246.9A CN106000230A (en) | 2016-07-27 | 2016-07-27 | High-pressure reaction vessel special for preparation of low-length/diameter-ratio iron oxide yellow |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106000230A true CN106000230A (en) | 2016-10-12 |
Family
ID=57114894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610596246.9A Pending CN106000230A (en) | 2016-07-27 | 2016-07-27 | High-pressure reaction vessel special for preparation of low-length/diameter-ratio iron oxide yellow |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106000230A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1415664A (en) * | 2002-10-21 | 2003-05-07 | 上海工大科技园区环境工程有限公司 | Method for preparing nano iron oxide yellow |
| CN201179441Y (en) * | 2008-03-24 | 2009-01-14 | 上海市凌桥环保设备厂有限公司 | High-pressure reaction still |
| CN103588252A (en) * | 2013-11-29 | 2014-02-19 | 中国科学技术大学 | Device and method for preparing ferric oxide yellow |
| CN105111063A (en) * | 2015-07-30 | 2015-12-02 | 山西瑞赛格纺织科技有限公司 | Method for preparing terephthalic acid by using waste polyester and cotton fiber |
| CN105126702A (en) * | 2015-09-24 | 2015-12-09 | 东北大学 | High-pressure reaction kettle capable of online measuring potential of pressurizing wet-method system |
-
2016
- 2016-07-27 CN CN201610596246.9A patent/CN106000230A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1415664A (en) * | 2002-10-21 | 2003-05-07 | 上海工大科技园区环境工程有限公司 | Method for preparing nano iron oxide yellow |
| CN201179441Y (en) * | 2008-03-24 | 2009-01-14 | 上海市凌桥环保设备厂有限公司 | High-pressure reaction still |
| CN103588252A (en) * | 2013-11-29 | 2014-02-19 | 中国科学技术大学 | Device and method for preparing ferric oxide yellow |
| CN105111063A (en) * | 2015-07-30 | 2015-12-02 | 山西瑞赛格纺织科技有限公司 | Method for preparing terephthalic acid by using waste polyester and cotton fiber |
| CN105126702A (en) * | 2015-09-24 | 2015-12-09 | 东北大学 | High-pressure reaction kettle capable of online measuring potential of pressurizing wet-method system |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161012 |