CN208856901U - A kind of process system of hydride storage tank involved in the dilute product process units of hydrogen peroxide - Google Patents
A kind of process system of hydride storage tank involved in the dilute product process units of hydrogen peroxide Download PDFInfo
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- CN208856901U CN208856901U CN201821430422.2U CN201821430422U CN208856901U CN 208856901 U CN208856901 U CN 208856901U CN 201821430422 U CN201821430422 U CN 201821430422U CN 208856901 U CN208856901 U CN 208856901U
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Abstract
The utility model relates to gas-liquid safe separating disposal technology fields, the process system of hydride storage tank involved in especially a kind of dilute product process units of hydrogen peroxide, hydride storage tank upper end side is communicated with hydride inlet tube, one side-lower of hydride storage tank also passes through pipeline and is communicated with hydrogenation liquid pump, and expansion joint is additionally provided on the pipeline between hydride storage tank and hydrogenation liquid pump, and second butterfly valve is also communicated with discharge nozzle, hydride storage tank upper end also passes through pipeline and is communicated with pressure release liquid seal trough, hydride storage tank upper end also passes through pipeline and is communicated with condenser, and upper end of condenser side is communicated with the first pipe valve by pipeline, condenser lower end side is communicated with the second pipe valve by pipeline, condenser lower end side also passes through pipeline and is communicated with the second visor valve, and second visor valve by pipeline be connected in hydride storage tank side.The utility model improves the intrinsic safety of equipment and technique, and then reaches the production purpose for saving raw material, safety and stability.
Description
Technical field
The utility model relates to gas-liquid safe separating disposal technology field more particularly to a kind of dilute product process units of hydrogen peroxide
Involved in hydride storage tank process system.
Background technique
In hydrogen peroxide production process, it is most of at present be using 2- ethyl hydrazine as carrier, heavy aromatics, trioctyl phosphate and
Acetate is mixed solvent, is configured to the solution (claiming working solution) with definite composition.The solution is passed through one together with hydrogen
In hydrogenation trickle bed equipped with catalyst, hydrogenation is carried out in certain pressure and temperature, obtains (the letter of corresponding hydrogen anthraquinone solution
Claim hydride), for the solution again by the dioxygen oxidation in air, the hydrogen anthraquinone in solution reverts to original anthraquinone, generates simultaneously
Hydrogen peroxide.And the wherein a certain equipment containing more hydride, it is referred to as hydride storage tank (atmospheric pressure device) in technique.The hydrogenation
Liquid mainly hydrogeneous anthraquinone, heavy aromatics, trioctyl phosphate, acetate and is entrained with hydrogen, is all flammable and explosive substance, and opposite
Temperature is also relatively high, slightly careless manipulation, easily causes burning, explosion accident.Our company just occurred to run material, blow-down pipe burning
Accident, the same industry also occurred detonation, superpressure, the hydrogen accidents such as string, and belonged in Hydrogen Peroxide Production and safety accident ratio occurs
More equipment.As unit scale is increasing, accident potential is also increasing, and the device structure design of hydride storage tank is no doubt
It is important, but relevant some auxiliary processes and equipment are also critically important, and good process system will reduce accident from many aspects and machine occurs
Rate improves equipment safety while improving raw materials recovery rate to the full extent, meets equipment safety, stable production.
Summary of the invention
Purpose of the utility model is to solve disadvantages existing in the prior art, and the dilute product of a kind of hydrogen peroxide proposed
The process system of hydride storage tank involved in process units.
To achieve the goals above, the utility model adopts the technical scheme that
A kind of process system of hydride storage tank involved in the dilute product process units of hydrogen peroxide, including hydride storage tank are designed,
Hydride storage tank upper end side is communicated with hydride inlet tube, and the first visor valve is also equipped on hydride inlet tube,
One side-lower of hydride storage tank also passes through pipeline and is communicated with hydrogenation liquid pump, and the pipe between hydride storage tank and hydrogenation liquid pump
It is additionally provided with expansion joint on road, first butterfly valve is also equipped on the pipeline of the expansion joint two sides, the hydrogenation liquid pump passes through
Pipeline is communicated with second butterfly valve, and second butterfly valve is also communicated with discharge nozzle, and hydride storage tank upper end is also connected to by pipeline
There is pressure release liquid seal trough, and pressure release fluid-tight trench bottom and hydride sump bottom are located in same level, the pressure release liquid seal trough
Upper end is additionally provided with liquid barrier, and liquid barrier can be sealed pressure release liquid seal trough, and one upper side of pressure release liquid seal trough is also
It is communicated with the first inlet valve by pipeline, hydride storage tank upper end also passes through pipeline and is communicated with condenser, and on condenser
Side is held to be communicated with the first pipe valve by pipeline, condenser lower end side is communicated with the second pipe valve by pipeline, described cold
Condenser lower end side also passes through pipeline and is communicated with the second visor valve, and the second visor valve is connected to by pipeline in hydride storage tank one
Side, and go back pipeline and extend to bottom in hydride storage tank.
Preferably, it is also communicated with by pipeline below the hydride storage tank other side and drains valve.
Preferably, one upper side of hydride storage tank is also communicated with overflow pipe, and overflow pipe extends to hydride storage tank
Interior bottom, the overflow pipe upper end are also communicated with brokenly blank pipe.
Preferably, the first overflow valve is also communicated with by pipeline below the pressure release liquid seal trough other side.
Preferably, the upper end of condenser other side also passes through pipeline and is communicated with emptying liquid seal trough, and it is logical to be vented liquid seal trough
Piping is communicated with the second inlet valve, and the emptying liquid seal trough also passes through pipeline and is communicated with blow-down pipe, and is vented liquid seal trough side
Lower section is communicated with the second overflow valve by pipeline.
Preferably, hydride storage tank upper end side is also equipped with gaseous pressure table, and hydride storage tank upper end is another
Side also passes through pipeline and is communicated with nitrogen pressure adjusting valve group, and the nitrogen pressure adjusts valve group one end and is also connected in gaseous pressure table
On.
The utility model proposes a kind of dilute product process units of hydrogen peroxide involved in hydride storage tank process system, it is beneficial
Effect is: the process system of hydride storage tank involved in the dilute product process units of the hydrogen peroxide is set from device structure and related auxiliary
The standby process system being composed, not only strengthens gas-liquid separation effect, but also plays the role of recycling raw material, while reducing equipment
String, air sucking, material run material, discharge with gas, the accidents such as tempering of dropping a hint for superpressure, hydrogen, and various aspects farthest drop
The root that low accident occurs, that is, improve the intrinsic safety of equipment and technique, and then reaches and save raw material, safety and stability
Produce purpose.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of dilute product process units of hydrogen peroxide involved in hydride storage tank process system
Structural schematic diagram.
In figure: the first overflow valve 1, pressure release liquid seal trough 2, drain valve 3, the first inlet valve 4, liquid baffle board 5, hydride storage tank 6,
First visor valve 7, nitrogen pressure adjust valve group 8, the first pipe valve 9, condenser 10, the second pipe valve 11, gaseous pressure table 12, broken sky
It is pipe 13, the second visor valve 14, overflow pipe 15, emptying liquid seal trough 16, the second overflow valve 17, the second inlet valve 18, blow-down pipe 19, swollen
Swollen section 20, first butterfly valve 21, hydrogenation liquid pump 22, second butterfly valve 23, discharge nozzle 24, hydride inlet tube 25.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Referring to Fig.1, the process system of hydride storage tank involved in a kind of dilute product process units of hydrogen peroxide, including hydride storage
Slot 6,6 other side of hydride storage tank lower section, which is also communicated with by pipeline, drains valve 3, and 6 one upper side of hydride storage tank is also communicated with
Overflow pipe 15, and overflow pipe 15 extends to bottom in hydride storage tank 6,15 upper end of overflow pipe is also communicated with brokenly blank pipe 13, hydrogenation
The certain height in 6 side of liquid storage tank is equipped with an overflow pipe, overflows to specified equipment, in case equipment liquid level is in abnormal conditions
Excessively high phenomenon occurs, and then makes storage tank pressure-bearing, material is disorderly gone here and there.
6 upper end side of hydride storage tank is communicated with hydride inlet tube 25, and is also equipped on hydride inlet tube 25
One visor valve 7,6 one side-lower of hydride storage tank also pass through pipeline and are communicated with hydrogenation liquid pump 22, and hydride storage tank 6 and hydride
It is additionally provided with expansion joint 20 on pipeline between pump 22, is also equipped with first butterfly valve 21, hydrogen on the pipeline of 20 two sides of expansion joint
Change liquid pump 22 and second butterfly valve 23 be communicated with by pipeline, and second butterfly valve 23 is also communicated with discharge nozzle 24, and expansion joint is facilitated to replace,
It hydrogenates the outlet of liquid pump 22 and is equipped with second butterfly valve 23, the rate of discharge of hydrogenation liquid pump 22 adjusts flow by the frequency conversion of pump, then leads to
Piping enters subsequent processing.
6 upper end of hydride storage tank also passes through pipeline and is communicated with pressure release liquid seal trough 2, and 2 bottom of pressure release liquid seal trough and hydride
6 bottom of storage tank is located in same level, and 2 upper end of pressure release liquid seal trough is additionally provided with liquid barrier 5, and liquid barrier 5 can be to pressure release
Liquid seal trough 2 is sealed, and 2 one upper side of pressure release liquid seal trough also passes through pipeline and is communicated with the first inlet valve 4, and pressure release liquid seal trough 2 is another
One side-lower also passes through pipeline and is communicated with the first overflow valve 1.
6 upper end of hydride storage tank also passes through pipeline and is communicated with condenser 10, and 10 upper end side of condenser is connected by pipeline
It is connected with the first pipe valve 9,10 lower end side of condenser is communicated with the second pipe valve 11 by pipeline, and 10 lower end side of condenser also passes through
Pipeline is communicated with the second visor valve 14, and the second visor valve 14 is connected to by pipeline in 6 side of hydride storage tank, and is gone back pipeline and prolonged
Bottom in hydride storage tank 6 is extended to, condenser 10 uses low temperature water condensation, and the flow of water at low temperature bottom in and top out, water at low temperature passes through
The temperature that gas comes out is adjusted；Gas is enterprising above to be gone out, and is gone out under condensate liquid, lime set judges lime set size by visor valve, then passes through
Pipeline is accessed in hydride storage tank and is recycled.Fire arrester is equipped in condenser 10 to connect through fire arrester after gas condensation by pipeline
It is connected to emptying liquid seal trough 16.
The 10 upper end other side of condenser also passes through pipeline and is communicated with emptying liquid seal trough 16, controls certain water level rear high-lying back-fire relief
Emptying, and be vented liquid seal trough 16 and second inlet valve 18 is communicated with by pipeline, emptying liquid seal trough 16, which is also communicated with by pipeline, to be put
Blank pipe 19, and be vented 16 1 side-lower of liquid seal trough and the second overflow valve 17 is communicated with by pipeline.
6 upper end side of hydride storage tank is also equipped with gaseous pressure table 12, and the 6 upper end other side of hydride storage tank also passes through
Pipeline is communicated with nitrogen pressure and adjusts valve group 8, and nitrogen pressure adjusts 8 one end of valve group and is also connected on gaseous pressure table 12, hydrogenates
It is connected to nitrogen pressure at the top of liquid storage tank 6 and adjusts valve group 8 and the interlocking of 12 phase of gaseous pressure table, nitrogen automatic pressure-maintaining is set in 200-
300mm water column is automatically replenished nitrogen when hydride storage tank top gas phase pressure is lower than 200 mm water column, is higher than 300 mm water columns
When, it is automatically stopped.It to avoid vacuum phenomenon, outside air is drawn into this equipment.
Pressure release liquid seal trough 2 is located at a flooring when preventing broken seal, and material sinuous flow everywhere influences the instrument of surrounding and sets
Standby, fluid-tight water seal height is located at 400 ~ 600mm water column.Around emptying liquid seal trough 16 is located at the top of storage tank, second floor and the above position,
Emptying fluid-tight water seal height is located at 200 ~ 400mm water column, and blow-down pipe 19 is connected to three buildings and the above position, is vented, puts after fire arrester
There cannot be electrical equipment for 3 ~ 5 meters around null point, prevent electrostatic case of fire.Pressure release fluid-tight and emptying fluid-tight are equipped with inlet valve
And overflow port, to guarantee that water seal is hydraulic in normal position, the water of two all water seals is all using clean deionized water.
Hydride is flowed into 6 bottom of hydride storage tank by hydride inlet tube 25, the first visor valve 7, then from hydride
6 bottom of storage tank is by pipeline, expansion joint 20, first butterfly valve 21, and to hydrogenation 22 import of liquid pump, hydrogenation liquid pump 22 is exported, through second
Butterfly valve 23, discharge nozzle 24 flow to subsequent processing, and hydrogenation liquid pump 22 uses variable frequency adjustment rate of discharge.Nitrogen passes through nitrogen pressure tune
12 phase of the gaseous pressure table interlocking for saving valve group 8 and the top of hydride storage tank 6, with nitrogen to carrying out low pressure at the top of hydride storage tank 6
Automatically logical nitrogen.Overflow pipe 15 is abolished after siphonic effect through overflow pipe inflow designated equipment by breaking blank pipe 13, in order to avoid liquid level mistake
It is high and run material.It drops a hint and first passes through blowdown condenser 10, condensate liquid after cooling is flowed into hydrogenation by visor valve 14 and pipeline
In liquid storage tank 6, dropping a hint out is linked into emptying liquid seal trough 16 by pipeline again, is controlled after certain liquid level from blow-down pipe 19
The emptying of back-fire relief eminence, the low temperature water condensation of blowdown condenser 10 are accessed from 10 the second pipe valve of bottom 11 of condenser, and top first is managed
It is flowed out at valve 9, low temperature waterpipe will carry out cold insulation.The gas phase of another branch hydride storage tank 6 accesses pressure release fluid-tight by pipeline
In slot 2, the direct broken seal when pressure superelevation and go out.
Nitrogen pressure adjusts valve group 8, for maintaining 6 top gas phase micro-positive pressure 200 ~ 300mmH2O water column of hydride storage tank,
Outside air is avoided to enter in emptying liquid seal trough 16 by blow-down pipe 19.
It is vented liquid seal trough 16 and controls 200 ~ 400mmH2O of water column, deionized water is added by the second inlet valve 18 in water level, leads to
It crosses 17 overflow of the second overflow valve and goes out deionized water, for the water seal control in pressure release liquid seal trough 2 in 400 ~ 600mmH2O water column, water level is logical
It crosses the first inlet valve 4 and deionized water is added, deionized water is gone out by 1 overflow of the first overflow valve.Pressure release liquid seal trough 2 must be placed on Stall
Safe place prevents the electrical and equipment that surrounding is influenced when pressure release, and at a certain distance from above 2 inlet duct of pressure release liquid seal trough
If liquid baffle board 5, so as to the material that goes out pressure release to ambient influence to minimum, another two water sealed tank pays attention to preventing ice condition in winter
Occurring, overflow pipe 15 must set brokenly blank pipe 13, and the adapter tube road must reach at apparatus closing end, in case hydride is from broken blank pipe 13
It overflows.
It drops a hint and is flow back into hydride storage tank 6 after recycling certain material by condenser 10 through the second visor valve 14.
Condensed gas is entered in emptying liquid seal trough 16 by road road, is controlled certain water seal and is followed by the emptying of a fire arrester high position.Hydrogenation
6 another way of liquid storage tank connects pressure release liquid seal trough 2, seals gas after controlling certain fluid-tight, but can directly pressure release from there when superpressure.
Nitrogen pressure adjusts valve group 8 and 6 top gas phase pressure communication of hydride storage tank and locks, with retention groove inner top gaseous pressure at any time,
In order to avoid outside air enters.When the alarm of lotion position head tank, can be overflowed to by overflow pipe 15 in specified equipment.
When stopping production, after hydride storage tank 6 controls certain liquid level, stops hydrogenating liquid pump 22, drop a hint by being vented fluid-tight
Slot 16 seals, and pressure release fluid-tight is sealed by pressure release liquid seal trough 2, adjusts 8 retention groove inner top gas phase pressure of valve group by nitrogen pressure
Power certain pressure is so far equivalent to and has sealed all inlet and outlet nozzles of hydride storage tank, make in hydride storage tank 6 full of it is micro- just
Pressure, be isolated from the outside world, and it is in a safe condition in.
More than, the only preferable specific embodiment of the utility model, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, according to the utility model
Technical solution and its utility model design be subject to equivalent substitution or change, should all cover the protection scope of the utility model it
It is interior.
Claims (6)
1. a kind of process system of hydride storage tank involved in dilute product process units of hydrogen peroxide, which is characterized in that including hydride
Storage tank (6), hydride storage tank (6) the upper end side are communicated with hydride inlet tube (25), and on hydride inlet tube (25)
It is also equipped with the first visor valve (7), (6) one side-lower of hydride storage tank also passes through pipeline and is communicated with hydrogenation liquid pump (22),
And it is additionally provided with expansion joint (20) on the pipeline between hydride storage tank (6) and hydrogenation liquid pump (22), the expansion joint (20) two
It being also equipped on the pipeline of side first butterfly valve (21), the hydrogenation liquid pump (22) is communicated with second butterfly valve (23) by pipeline,
And second butterfly valve (23) is also communicated with discharge nozzle (24), hydride storage tank (6) upper end also passes through pipeline and is communicated with pressure release liquid
Sealing groove (2), and pressure release liquid seal trough (2) bottom and hydride storage tank (6) bottom are located in same level, the pressure release liquid seal trough
(2) upper end is additionally provided with liquid barrier (5), and liquid barrier (5) can be sealed pressure release liquid seal trough (2), the pressure release fluid-tight
(2) one upper side of slot also passes through pipeline and is communicated with the first inlet valve (4), and hydride storage tank (6) upper end is also connected by pipeline
It is connected with condenser (10), and condenser (10) upper end side is communicated with the first pipe valve (9) by pipeline, under the condenser (10)
End side is communicated with the second pipe valve (11) by pipeline, and condenser (10) the lower end side also passes through pipeline and is communicated with the second view
Mirror valve (14), and the second visor valve (14) is connected to by pipeline in hydride storage tank (6) side, and is gone back pipeline and extended to hydride
Storage tank (6) interior bottom.
2. the process system of hydride storage tank involved in the dilute product process units of a kind of hydrogen peroxide according to claim 1,
It is characterized in that, is also communicated with by pipeline below hydride storage tank (6) other side and drains valve (3).
3. the process system of hydride storage tank involved in the dilute product process units of a kind of hydrogen peroxide according to claim 1,
It is characterized in that, (6) one upper side of hydride storage tank is also communicated with overflow pipe (15), and overflow pipe (15) extends to hydride
Storage tank (6) interior bottom, overflow pipe (15) upper end are also communicated with brokenly blank pipe (13).
4. the process system of hydride storage tank involved in the dilute product process units of a kind of hydrogen peroxide according to claim 1,
It is characterized in that, the first overflow valve (1) is also communicated with by pipeline below pressure release liquid seal trough (2) other side.
5. the process system of hydride storage tank involved in the dilute product process units of a kind of hydrogen peroxide according to claim 1,
It is characterized in that, condenser (10) the upper end other side also passes through pipeline and is communicated with emptying liquid seal trough (16), and is vented liquid seal trough
(16) it is communicated with the second inlet valve (18) by pipeline, the emptying liquid seal trough (16) is also communicated with blow-down pipe by pipeline
(19), and emptying (16) one side-lower of liquid seal trough by pipeline is communicated with the second overflow valve (17).
6. the process system of hydride storage tank involved in the dilute product process units of a kind of hydrogen peroxide according to claim 1,
It is characterized in that, hydride storage tank (6) the upper end side is also equipped with gaseous pressure table (12), and hydride storage tank (6) upper end
The other side also passes through pipeline and is communicated with nitrogen pressure adjusting valve group (8), and the nitrogen pressure adjusts valve group (8) one end and is also connected to
On gaseous pressure table (12).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821430422.2U CN208856901U (en) | 2018-09-03 | 2018-09-03 | A kind of process system of hydride storage tank involved in the dilute product process units of hydrogen peroxide |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821430422.2U CN208856901U (en) | 2018-09-03 | 2018-09-03 | A kind of process system of hydride storage tank involved in the dilute product process units of hydrogen peroxide |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108892108A (en) * | 2018-09-03 | 2018-11-27 | 江山市双氧水有限公司 | A kind of process system of hydride storage tank involved in the dilute product process units of hydrogen peroxide |
| CN112190978A (en) * | 2020-09-29 | 2021-01-08 | 中冶焦耐(大连)工程技术有限公司 | Device and method for separating acid tar from ammonium sulfate mother liquor |
-
2018
- 2018-09-03 CN CN201821430422.2U patent/CN208856901U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108892108A (en) * | 2018-09-03 | 2018-11-27 | 江山市双氧水有限公司 | A kind of process system of hydride storage tank involved in the dilute product process units of hydrogen peroxide |
| CN112190978A (en) * | 2020-09-29 | 2021-01-08 | 中冶焦耐(大连)工程技术有限公司 | Device and method for separating acid tar from ammonium sulfate mother liquor |
| CN112190978B (en) * | 2020-09-29 | 2024-03-19 | 中冶焦耐(大连)工程技术有限公司 | Device and method for separating acid tar in ammonium sulfate mother liquor |
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