CN110152581A - Spent acid separation and processing system - Google Patents
Spent acid separation and processing system Download PDFInfo
- Publication number
- CN110152581A CN110152581A CN201910403093.5A CN201910403093A CN110152581A CN 110152581 A CN110152581 A CN 110152581A CN 201910403093 A CN201910403093 A CN 201910403093A CN 110152581 A CN110152581 A CN 110152581A
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- CN
- China
- Prior art keywords
- spent acid
- conveyance conduit
- processing system
- storage tank
- flowmeter
- 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
- 239000002253 acid Substances 0.000 title claims abstract description 118
- 238000000926 separation method Methods 0.000 title claims abstract description 38
- 238000012545 processing Methods 0.000 title claims abstract description 33
- 238000003860 storage Methods 0.000 claims abstract description 31
- 239000007788 liquid Substances 0.000 claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000012530 fluid Substances 0.000 claims abstract description 6
- 238000004891 communication Methods 0.000 claims abstract description 5
- 239000003317 industrial substance Substances 0.000 claims abstract description 5
- 238000004140 cleaning Methods 0.000 claims description 8
- 239000002351 wastewater Substances 0.000 claims description 8
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 5
- 239000008367 deionised water Substances 0.000 claims description 3
- 229910021641 deionized water Inorganic materials 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 125000003473 lipid group Chemical group 0.000 claims 1
- 239000012071 phase Substances 0.000 description 33
- 239000000047 product Substances 0.000 description 27
- 239000007795 chemical reaction product Substances 0.000 description 5
- 230000006378 damage Effects 0.000 description 3
- 235000013399 edible fruits Nutrition 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 150000002632 lipids Chemical class 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- XHXFXVLFKHQFAL-UHFFFAOYSA-N phosphoryl trichloride Chemical compound ClP(Cl)(Cl)=O XHXFXVLFKHQFAL-UHFFFAOYSA-N 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- BWDBEAQIHAEVLV-UHFFFAOYSA-N 6-methylheptan-1-ol Chemical compound CC(C)CCCCCO BWDBEAQIHAEVLV-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000008346 aqueous phase Substances 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000011344 liquid material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 235000021110 pickles Nutrition 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000013517 stratification Methods 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
- B01D17/02—Separation of non-miscible liquids
- B01D17/0208—Separation of non-miscible liquids by sedimentation
- B01D17/0214—Separation of non-miscible liquids by sedimentation with removal of one of the phases
-
- 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
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0053—Details of the reactor
-
- 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
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/18—Stationary reactors having moving elements inside
-
- 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
- B01J4/00—Feed or outlet devices; Feed or outlet control devices
- B01J4/008—Feed or outlet control devices
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
The present invention provides a kind of separation of spent acid and processing system, comprising: reaction kettle (1), with bottom opening (2), industrial chemicals react generation oil phase product and water phase spent acid in the reaction kettle；Bottom valve (3), it is neighbouring to be arranged in the bottom opening (2), for controlling the opening and closing of bottom opening (2)；Closed spent acid storage tank (4) is arranged in bottom valve (3) downstream；First conveyance conduit (5), for the bottom valve and the spent acid storage tank to be in fluid communication；Flowmeter (6) is arranged in first conveyance conduit (5), for measuring the total amount of liquid value for flowing through the flowmeter close to the bottom valve (3)；Conductivity meter (7) is arranged in first conveyance conduit (5) between the flowmeter (6) and the spent acid storage tank (4)；With control module (8), it is connected respectively to the conductivity meter (7) and the bottom valve (3), the control module is used to receive the measured value of the conductivity meter, and the bottom valve (3) is closed when detecting the measured value suddenly change.
Description
Technical field
The present invention relates to chemical field more particularly to a kind of separation of spent acid and processing systems.
Background technique
In Chemical Manufacture, after reaction, it usually needs by liquid reaction product stratification.For example, in organic product
Density be less than water in the case where, first release lower layer's aqueous phase liquid such as spent acid, then release upper oil phase liquid such as product.Such as
Fruit is only visually observed by operator to determine whether reach the interface of oily phase (upper layer) and water phase (lower layer), may cause useless
Acid separation is not exclusively or portioned product is taken as spent acid to remove.
In addition, the spent acid isolated has stronger volatility and corrosivity can be to operation if put into open-top receptacle
The safety and ambient enviroment of personnel causes centainly to endanger, while can also corrode surrounding devices.
Also, the spent acid needs isolated send to waste water workshop and are handled, and fill the container of spent acid during transportation such as
Fruit topples or leaks, and may cause personal injury or environmental pollution.
Summary of the invention
The purpose of the present invention is to provide a kind of separation of spent acid and processing systems, by by flowmeter and conductivity meter phase
In conjunction with, can more accurately judge the liquid reaction product comprising spent acid drawn out of reaction kettle whether reach two-phase boundary
Face causes product quality problem or portioned product that spent acid is taken as to go out and product is caused to damage so that spent acid be avoided not to be kept completely separate
It loses.
For this purpose, the present invention provides a kind of separation of spent acid and processing system comprising the reaction kettle with bottom opening, chemical industry
Raw material reacts the oily phase product of generation and water phase spent acid in the reaction kettle；The bottom valve of neighbouring bottom opening setting, for controlling
The opening and closing of bottom opening；The closed spent acid storage tank in the bottom valve downstream is set；Bottom valve and spent acid storage tank fluid are connected
The first logical conveyance conduit；It is arranged in the flowmeter in the first conveyance conduit close to the bottom valve, flows through the flowmeter for measuring
Total amount of liquid value；Conductivity meter, the conductivity meter are arranged in the first conveyance conduit between flowmeter and spent acid storage tank；With
And control module, it is connected respectively to conductivity meter and bottom valve, which is used to receive the measured value of the conductivity meter, and
The bottom valve is closed when the measured value suddenly change.
Advantageously, in the present invention, it is known that the amount of industrial chemicals can substantially calculate oily phase product in reaction product
With the respective amount of water phase spent acid, due to being provided with flowmeter, it is measurable go out the total amount of liquid that is flowed out from bottom valve, when the liquid of outflow
When total amount reaches the amount of calculated water phase spent acid, bottom valve can be closed；Further, conductivity meter is detected in control module
When numerical value suddenly change, shows there is oily phase product to enter the first conveyance conduit, at this moment can close bottom valve immediately.Flowmeter and
The effect that can achieve dual fail-safe is used in combination in conductivity meter.
Preferably, spent acid separation and processing system further include valve, valve cloth between flowmeter and conductivity meter
Set in first conveyance conduit and be connected to control module, the control module is also connected to the flowmeter to receive and measure
Total amount of liquid value, when the total amount of liquid value is equal to the 90%~95% of the calculating magnitude of the water phase spent acid, the control module
Adjusting the valve reduces the flow rate of liquid through the valve.
Since the spent acid isolated has stronger volatility and corrosivity, in order to prevent to the safety of operator and week
Collarette border causes certain dangerous and corrosion surrounding devices to provide closed spent acid storage tank in the present invention and be advantageous, in order to anti-
The container for only filling spent acid topples or leaks during transportation, and spent acid separation and processing system further include being connected to the spent acid
Second conveyance conduit of the outlet of storage tank and the pump being arranged in second conveyance conduit, for that will give up in the spent acid storage tank
Acid is delivered directly to effluent treatment plant and is handled.
In a preferred embodiment, spent acid separation and processing system may additionally include between flowmeter and conductivity meter and be somebody's turn to do
The cleaning system that first conveyance conduit is in fluid communication.By the way that cleaning system is arranged, after having separated spent acid, to bottom valve and can give up
Pipeline between acid storage tank is cleaned, the influence to avoid remaining spent acid to product.
Advantageously, which cleans first conveyance conduit using deionized water.
In the present invention, the oily phase product can be lipid material, and spent acid can be about 1% dilute hydrochloric acid, dilute salt
Acid is transported to pH value of the effluent treatment plant for waste water and adjusts.
Preferably, spent acid separation and processing system further include third conveyance conduit, and one end of the third conveyance conduit exists
The conductivity meter and the spent acid storage tank are connected to first conveyance conduit, return for conveying the spent acid of oil-containing phase product
To reaction kettle, to avoid the waste of oily phase product.
Spent acid according to the present invention separation and processing system in, be in reaction kettle product and spent acid layering after, give up
Acid is transferred in closed container by pipeline, monitors the variation of the conductivity of liquid especially by conductivity meter to accurately sentence
Disconnected whether to reach two-phase interface, the spent acid in closed container is fed directly to waste water workshop by pipeline and is handled, such as
For adjusting the pH value of waste water.In addition, spent acid according to the present invention separation and processing system have further the advantage that, i.e., most
Existing equipment is utilized to limits, the continuous production of reaction kettle is realized by spent acid separation and spent acid conveying, and be totally-enclosed
Operation, does not pollute the environment.
Detailed description of the invention
The attached drawing constituted part of this application is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the schematic diagram of another embodiment of spent acid separation according to the present invention and processing system；With
Fig. 2 is the schematic diagram of another embodiment of spent acid separation according to the present invention and processing system.
Specific embodiment
The cleaning device for reaction kettle realized according to the present invention is described below with reference to accompanying drawings and by embodiment.
In the following description, numerous specific details are set forth to make person of ordinary skill in the field that this hair be appreciated more fully
It is bright.But for the technical staff in technical field it is evident that realization of the invention can not have these details
In it is some.However, it should be understood that the specific embodiment that the present invention is not limited to be introduced.On the contrary, it may be considered that under use
Any combination of the feature in face and element implements the present invention, regardless of whether they are related to different embodiments.
Fig. 1 shows one embodiment of spent acid separation and processing system according to the present invention, spent acid separation and processing
System may include for making industrial chemicals in the reaction kettle 1 for generating oily phase product and water phase spent acid that wherein reacts, the reaction
Kettle has bottom opening 2, and bottom valve 3 is located at the downstream of the bottom opening and the neighbouring bottom opening is arranged, and opens for controlling bottom
The opening and closing of mouth.Advantageously, spent acid separation and processing system further include closed spent acid storage tank, it is arranged in bottom valve
3 downstream is equipped with the first conveyance conduit, for the spent acid generated in reaction kettle to be transferred between spent acid storage tank 4 and bottom valve 3
Spent acid storage tank.
Due to the amount according to industrial chemicals, the respective of the i.e. oily phase product of reaction product and water phase spent acid can be calculated
Amount, in order to judge whether the liquid flowed out from bottom valve 3 is spent acid, flowmeter 6 can be arranged in the first conveying close to the bottom valve 3
In pipeline 5.Also, between flowmeter 6 and conductivity meter 7 in the first conveyance conduit 5, i.e., the downstream of flowmeter 6 can also be set
Set a valve 12.If amount of the total amount of liquid that flowmeter 6 measures close to calculated water phase spent acid, adjustable valve
12, reduce the flow rate of liquid passed through from the first conveyance conduit 5, preferably to control the separation of oily phase product and spent acid.Such as
The total amount of liquid that fruit flowmeter 6 measures reaches the amount of calculated water phase spent acid, then can directly close bottom valve 3.It is more favorable
It is that conductivity meter 7 is set in the first conveyance conduit 5 between flowmeter 6 and spent acid storage tank 4, it is defeated to flow through first for measurement
The conductivity value for sending the liquid of pipeline 5, when the conductivity value that conductivity meter 7 measures suddenly from large to small when, then show acid pickle
Containing oily phase product in body, bottom valve 3 at this moment can be closed immediately, to prevent product from removing as spent acid.Flowmeter 6 and conductivity meter
7 can be used to judge simultaneously whether the separation of oily phase and water phase to be completed, and have the function that dual fail-safe.
In the present invention, spent acid storage tank is closed storage tank, to prevent with stronger volatility and corrosive spent acid pair
The safety and ambient enviroment of operator causes centainly to endanger, and prevents corrosion surrounding devices.
Preferably, spent acid separation and processing system further include control module 8, which is connected respectively to conductivity
Instrument 7 and bottom valve 3 for receiving the measured value of the conductivity meter, and close bottom valve 3 when the measured value suddenly change.By setting
Control module is set, the closing of bottom valve can be more effectively controlled, spent acid separation is avoided not exclusively or portioned product is gone as spent acid
It removes.
Advantageously, control module 8 is also connected to flowmeter 6 and valve 12, when the total amount of liquid value is equal to the water phase
When for example, about 90%-95% of the calculating magnitude of spent acid, which adjusts the valve 12 and makes the liquid flow through the valve
Speed reduces, preferably to control the separation of oily phase product and spent acid.
In the above-described embodiments, spent acid separation and processing system may include be connected to the spent acid storage tank 3 outlet second
Conveyance conduit 9 and the pump 10 being arranged in second conveyance conduit 9, for the spent acid in the spent acid storage tank to be delivered directly to
Effluent treatment plant is handled, and avoids toppling or leaking during transportation, in order to avoid cause personal injury or environment dirty
Dye.
In addition, spent acid separation and processing system may additionally include between flowmeter 6 and conductivity meter 7 with first delivery pipe
The cleaning system 11 that road 5 is in fluid communication, such as the cleaning system 11 clean first conveyance conduit using deionized water.
By setting cleaning system, the pipeline between bottom valve and spent acid storage tank can be cleaned after having separated spent acid, to avoid
Influence of the remaining spent acid to product.
Fig. 2 shows another embodiment of spent acid separation and processing system, the difference with embodiment illustrated in fig. 1 only exists
It further include third conveyance conduit 13 in spent acid separation and processing system, one end of the third conveyance conduit 13 is in conductivity meter 7
First conveyance conduit is connected between spent acid storage tank 4, the other end is connected to the top of the reaction kettle, for that will close bottom valve
The spent acid of the oil-containing phase product stayed in the first conveyance conduit after 3 is transmitted back in reaction kettle, to avoid the waste of oily phase product.
In the various embodiments described above of the invention, the oil phase product for example can be lipid material, and spent acid for example can be with
It is about 1% dilute hydrochloric acid, is used in such a case, it is possible to which dilute hydrochloric acid is transported to effluent treatment plant through the second conveyance conduit
The pH value of waste water is adjusted, and reduces the cost in waste water workshop.
Wherein, it is also conceivable that liquidometer is equipped in spent acid storage tank, for measuring the waste acid quantity in spent acid storage tank, and can evidence
When this auxiliary judgment adjusts bottom valve and makes to reduce from the flow rate of liquid for flowing through bottom valve.
In spent acid according to the present invention separation and processing system, such as reaction kettle can be glassed steel reaction vessels, be used for
Production is using phosphorus oxychloride and isooctanol as the textile auxiliary of primary raw material, and after the completion of reaction, reaction product is divided in reaction kettle
It is two layers, upper layer is oily phase product, and lower layer is water phase spent acid, and spent acid needs are separated off from product.Open the bottom of reaction kettle 1
Valve 3, lower layer's spent acid enter closed spent acid storage tank through flowmeter 6 and conductivity meter 7 by the first conveyance conduit 5, work as conductivity
Instrument 7 monitor to flow through the conductivity of its liquid material suddenly from large to small when, then pass through the bottom that control module closes reaction kettle
Valve, and the spent acid in spent acid storage tank can be transported to waste water workshop by diaphragm pump 10 and be handled or be recycled.
Although the present invention has been disclosed in the preferred embodiments as above, present invention is not limited to this.Any art technology
Personnel, made various changes and modification, should all be included in protection model of the invention without departing from the spirit and scope of the present invention
In enclosing, therefore protection scope of the present invention should be defined by the scope defined by the claims..
Claims (7)
1. a kind of spent acid separation and processing system, comprising:
Reaction kettle (1), with bottom opening (2), industrial chemicals reacts the oily phase product of generation in the reaction kettle and water phase is useless
Acid；
Bottom valve (3) is arranged, for controlling the opening and closing of bottom opening (2) adjacent to the bottom opening (2)；
Closed spent acid storage tank (4) is arranged in bottom valve (3) downstream；
First conveyance conduit (5), for the bottom valve and the spent acid storage tank to be in fluid communication；
Flowmeter (6) is arranged in first conveyance conduit (5) close to the bottom valve (3), flows through the flowmeter for measuring
Total amount of liquid value；
Conductivity meter (7) is arranged in first conveyance conduit between the flowmeter (6) and the spent acid storage tank (4)
(5) in；With
Control module (8) is connected respectively to the conductivity meter (7) and the bottom valve (3), and the control module is for receiving this
The measured value of conductivity meter, and the bottom valve (3) is closed when detecting the measured value suddenly change.
2. spent acid separation according to claim 1 and processing system, wherein the spent acid separates and processing system further includes valve
Door (12), the valve are arranged in first conveyance conduit (5) simultaneously between the flowmeter (6) and the conductivity meter (7)
It is connected to the control module, the control module (8) is also connected to the total amount of liquid value that the flowmeter (6) is measured with reception, when
When the total amount of liquid value is equal to the 90%~95% of the calculating magnitude of the water phase spent acid, which adjusts the valve
(12) reduce the flow rate of liquid through the valve.
3. spent acid separation according to claim 1 or 2 and processing system, wherein spent acid separation and processing system are also wrapped
The pump for including the second conveyance conduit (9) for the outlet for being connected to the spent acid storage tank (3) and being arranged in second conveyance conduit (9)
(10), it is handled for the spent acid in the spent acid storage tank to be delivered directly to effluent treatment plant.
4. spent acid separation according to claim 1 or 2 and processing system, wherein spent acid separation and processing system are also wrapped
Include the cleaning system (11) being in fluid communication between the flowmeter (6) and the conductivity meter (7) with first conveyance conduit (5).
5. spent acid according to claim 4 separation and processing system, wherein further include third conveyance conduit (13), this
One end of three conveyance conduits is connected to first conveyance conduit (5) between the conductivity meter and the spent acid storage tank, another
End is connected to the top of the reaction kettle (1).
6. spent acid separation according to claim 4 and processing system, wherein the cleaning system (11) utilizes deionized water pair
First conveyance conduit is cleaned.
7. spent acid separation according to claim 3 and processing system, wherein the oil phase product is lipid material, described
The dilute hydrochloric acid that spent acid is about 1%, the dilute hydrochloric acid are transported to pH value of the effluent treatment plant for waste water and adjust.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910403093.5A CN110152581A (en) | 2019-05-15 | 2019-05-15 | Spent acid separation and processing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910403093.5A CN110152581A (en) | 2019-05-15 | 2019-05-15 | Spent acid separation and processing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110152581A true CN110152581A (en) | 2019-08-23 |
Family
ID=67634767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910403093.5A Pending CN110152581A (en) | 2019-05-15 | 2019-05-15 | Spent acid separation and processing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110152581A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113476900A (en) * | 2021-08-23 | 2021-10-08 | 北京美斯顿科技开发有限公司 | Liquid separation equipment and control method thereof |
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