CN207102452U - A kind of alkali lye configuration device - Google Patents
A kind of alkali lye configuration device Download PDFInfo
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- CN207102452U CN207102452U CN201721040586.XU CN201721040586U CN207102452U CN 207102452 U CN207102452 U CN 207102452U CN 201721040586 U CN201721040586 U CN 201721040586U CN 207102452 U CN207102452 U CN 207102452U
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- storage tank
- alkali lye
- configuration device
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Abstract
The utility model discloses it is a kind of can uninterruptedly pump, the alkali lye configuration device that concentration is stable, including prepare storage tank, dividing plate be set in described preparation storage tank, storage tank will be prepared and be divided into the disconnected region I and II of two internal mutuals；Region I and II bottom set discharge pipe respectively, and lye pump is connected after in parallel；Discharge valve A and discharge valve C are set respectively on the bottom discharge pipeline of the region I and II, and valve B connecting pipe is provided with the downstream of discharge valve A upstream and discharge valve C.The utility model is divided into two mutual disconnected regions by will prepare storage tank, and realize the switching in two regions in outside, the dilution that alkali lye can be completed using only an alkali liquor storage tank is prepared and sent outside, and its process for preparation does not influence the concentration and continuity of device filling alkali lye, ensure to send the continuous, stably of alkali lye outside.
Description
Technical field
It the utility model is related to a kind of alkali lye dilution device for formulating, it is stable more particularly to a kind of concentration, can be uninterrupted
The alkali lye configuration device of pumping.
Background technology
Caustic wash tower is indispensable a set of emphasis equipment in ethylene cracker and methanol-to-olefins device, the purpose is to
By alkali liquid washing, CO in product gas is removed2、H2The sour gas such as S, to prevent it in follow-up cryogenic separation because low temperature is formed
Dry ice blocks pipeline, etching apparatus etc..Because concentration need to form gradient distribution in the circulation of three sections independent in caustic wash tower alkali lye
(10%, 6%, 2%), of a relatively high is required to concentration of lye, excessive concentration is easily caused the waste of alkali lye and the generation of butter, dense
Spend it is low, be easily caused sour gas washing it is unqualified, cause follow-up system frozen block and corrosion.Due to that can purchase in the market
The concentration of lye arrived is 30% or so, and the alkali lye of so high concentration is difficult with the monitoring of on-line analysis device moment, control.
Such as directly filled without dilution, then problems with easily occur：
1st, concentration of lye is too high easily produces corrosion to pipeline, equipment, shortens equipment service life, long period to device,
Safe and stable operation produces negative effect；
2nd, concentration of lye in caustic wash tower should not be controlled when concentration of lye filling is too high, filing provision slightly fluctuates i.e. can be obvious
Influence the stability of each section of concentration of lye；
With reference to similar or similar device longtime running experience is covered, alkali lye, which is diluted to 10% or so and goes to fill again, not only pacifies more
Full property is higher, while is also the relatively low reasonable selection of operating cost.
Therefore, how the alkali lye of high concentration (30%) is diluted to 10% or so, and can guarantee that dilution does not influence
Continuous, the stable filling of alkali lye, which becomes one, needs optimization to solve the problems, such as.To solve this problem, can by set two with
Upper alkali liquor storage tank, to be isolated by switching, the method for row filling solves again after preparation, so not only trivial operations, and equipment is more,
Floor space is larger.
The content of the invention
The purpose of this utility model be to provide it is a kind of can uninterruptedly pump, the alkali lye configuration device that concentration is stable, only make
With an alkali liquor storage tank, you can complete alkali lye dilution prepare, and its process for preparation do not influence device filling alkali lye concentration and
Continuity, described alkali lye configuration device device structure is simple, and easy to operate, floor space is small.
For achieving the above object, the utility model adopts the following technical scheme that：
A kind of alkali lye configuration device, including prepare storage tank, it is characterised in that dividing plate is set in described preparation storage tank, will
Prepare storage tank and be divided into the disconnected region I and II of two internal mutuals；Region I and II bottom set discharge pipe respectively, in parallel
After connect lye pump；Discharge valve A and discharge valve C are set respectively on the bottom discharge pipeline of the region I and II, and gone out
Material valve A upstream and discharge valve C downstream are provided with valve B connecting pipe.
Preferably, described divider height is prepares the 70%-75% of storage tank height, both sides and base and storage tank wall and
Bottom surface full weld connection, and dividing plate middle and lower part is easy to the later stage to overhaul provided with manhole；
Preferably, two regions that preparation storage tank is divided into by described dividing plate, region I and II volumetric ratio are 3/7.
Described alkali lye configuration device is divided into two disconnected regions of internal mutual by storage tank is prepared, and outside is communicated with
The flow in two regions, the outside switching in two regions can be achieved, to ensure to send the continuous and stability of concentration of lye outside.
Further,
Described configuration device sets agitator in preparation storage tank；
Described configuration device sets liquid level gauge respectively in the region I and II for preparing storage tank；
Being prepared in described configuration device also includes alkali lye inlet valve and configures to use water water intaking valve on storage tank.
Beneficial effect：The utility model is divided into two mutual disconnected regions by will prepare storage tank, and is realized in outside
The switching in two regions, using only an alkali liquor storage tank, you can the dilution for completing alkali lye is prepared and sent outside, and its process for preparation not shadow
The concentration and continuity of device filling alkali lye are rung, ensures to send the continuous, stably of alkali lye outside, and equipment is few (an only storage tank),
Simple in construction, easy to operate, floor space is small.
Brief description of the drawings
The structural representation of Fig. 1 alkali lye configuration devices of the present utility model；
The front view of Fig. 2 dividing plates；
Wherein, 1- prepares storage tank 2- dividing plate 3- agitator leaf oar 4- agitator motor 5- connecting pipelines and valve group 6-
Alkali lye is unloaded pipeline and valve 7- liquid level gauges 1#8- liquid level gauges 2#9- configurations water pipeline and valve 10- dividing plate inspection manholes.
Embodiment
Technical scheme described in the utility model is further described in detail below by specific embodiment, but had
Necessity points out that following examples are served only for the description to the content of the invention, does not form the limitation to scope of protection of the utility model.
According to alkali lye configuration device of the present utility model, it is a fixation arch-roof tank that its apparatus main body, which prepares storage tank 1, inside sets one
Dividing plate 2, the height of dividing plate 2 are entered to prepare the 70%-75% of the height of storage tank 1, both sides and base with preparing the facade of storage tank 1 and ground
Row full weld connects, and the middle and lower part of dividing plate 2 is easy to the later stage to overhaul provided with a manhole 10, and storage tank is divided into 3/7 two regions by dividing plate 2
I and II.Prepare storage tank 1 and be divided into I areas and II areas two parts, wherein I areas account for tank volume about 30%, II areas account for it is remaining about
70%.
The flow that two regions are communicated with outside storage tank 1 is prepared, to realize that the outside of two regions switches.Connecting pipeline and
Valve group 5 includes the discharge pipe of region I and II bottom, and lye pump is connected after two discharge pipe parallel connections；In region I and II bottom
Discharge pipe on discharge valve A and discharge valve C are set respectively, and in discharge valve A upstream and discharge valve C downstream
It is provided with valve B connecting pipe.
Agitator, including agitator leaf oar 3 and agitator motor 4 are set on described preparation storage tank 1；Described configuration dress
Put and liquid level gauge 1 is set in the region I for preparing storage tank 1#Liquid level gauge 2 is set in 7, region II#8；Prepare also includes alkali lye on storage tank 1
Unload pipeline and valve 6 and configuration water pipeline and valve 9.
Can uninterruptedly it be pumped using alkali lye configuration device of the present utility model, the dilution alkali lye that concentration is stable, its method is such as
Under：
A, C valves are normally-open in connecting pipeline and valve group 5 during normal use, by the alkali lye that concentration in II areas is 10% or so
It is delivered to lye pump and is pumped to caustic wash tower；
B, when the less (liquid level gauge 2 of alkali lye amount in II areas#Show value is relatively low), when need to configure new alkali lye, by connecting pipeline
And the A valves in valve group 5 are opened, C valves are closed, by the alkali lye continuous conveying of same concentration in I areas；
C, pipeline is unloaded by alkali lye and valve 6 unloads 30% alkali lye into storage tank II areas, and water pipeline is used by configuring
And valve 9 introduces preparation and enters II areas with desalted water, and high-concentration alkali liquor is diluted into 10% or so；It should open and stir when preparing alkali lye
Device is mixed, is easy to stir and radiates.
D, C valves in connecting pipeline and valve group 5 are opened, A valves are closed, and Gai You II areas are sent outside, while open B valves, by II areas
Middle alkali lye is added to I areas, in case using (liquid level gauge 1 when preparing alkali lye next time#With liquid level gauge 2#With height).
By said process, stabilization, uninterrupted pumping and the dilution for completing single alkali liquor storage tank are prepared.
Claims (6)
1. a kind of alkali lye configuration device, including prepare storage tank, it is characterised in that dividing plate is set in described preparation storage tank, will be matched somebody with somebody
Storage tank processed is divided into the disconnected region I and II of two internal mutuals；Region I and II bottom set discharge pipe respectively, after in parallel
Connect lye pump；Discharge valve A and discharge valve C are set respectively on the bottom discharge pipeline of the region I and II, and discharged
Valve A upstream and discharge valve C downstream are provided with valve B connecting pipe.
2. alkali lye configuration device according to claim 1, it is characterised in that described divider height is preparation storage tank height
70%-75%, and dividing plate middle and lower part is provided with manhole.
3. alkali lye configuration device according to claim 1, it is characterised in that the area that preparation storage tank is divided into by described dividing plate
Domain I and II volumetric ratio are 3/7.
4. alkali lye configuration device according to claim 1, it is characterised in that described configuration device is set in preparation storage tank
Put agitator.
5. alkali lye configuration device according to claim 1, it is characterised in that described configuration device is preparing the area of storage tank
Liquid level gauge is set respectively in domain I and II.
6. alkali lye configuration device according to claim 1, it is characterised in that prepared in described configuration device on storage tank also
Including alkali lye inlet valve and configuration water water intaking valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721040586.XU CN207102452U (en) | 2017-08-19 | 2017-08-19 | A kind of alkali lye configuration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721040586.XU CN207102452U (en) | 2017-08-19 | 2017-08-19 | A kind of alkali lye configuration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207102452U true CN207102452U (en) | 2018-03-16 |
Family
ID=61570224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721040586.XU Active CN207102452U (en) | 2017-08-19 | 2017-08-19 | A kind of alkali lye configuration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207102452U (en) |
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2017
- 2017-08-19 CN CN201721040586.XU patent/CN207102452U/en active Active
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