CN207076150U - Flash the device of recovery acid - Google Patents
Flash the device of recovery acid Download PDFInfo
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- CN207076150U CN207076150U CN201720973150.XU CN201720973150U CN207076150U CN 207076150 U CN207076150 U CN 207076150U CN 201720973150 U CN201720973150 U CN 201720973150U CN 207076150 U CN207076150 U CN 207076150U
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- sour
- storage tank
- temporary storage
- acid
- bag
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Abstract
The utility model discloses the device of flash distillation recovery acid, the side bottom of flash tank is provided with depickling bag, sour temporary storage tank is provided with below depickling bag, diffusion chamber is provided with the middle part of sour temporary storage tank, the inwall of diffusion chamber is provided with deflector, and the lower end of diffusion chamber is arranged to the chamber that flows slowly, and the top inlet of sour temporary storage tank is connected by valve a with depickling bag bottom, the temporary pot bottom of acid is connected by pipeline with the top inlet of spent acid collecting tank, and spent acid collects pot bottom and connects spent acid cracker by pipeline；Nitrogen pipeline is installed at the top of sour temporary storage tank, valve b is installed in nitrogen pipeline, and be connected with booster pump and nitrogen source.Grid in depickling bag have collected miscellaneous wadding, sour temporary storage tank is set up using in flash tank depickling bag bottom, by acid in Action of Gravity Field depickling bag from flowing in sour temporary storage tank, recycles nitrogen that acid is delivered into spent acid collecting tank to sour temporary storage tank supercharging, depickling bag deacidification effect is improved, reduces rate of corrosion.
Description
Technical field
The utility model belongs to technical field of chemical, and in particular to flashes the device of recovery acid.
Background technology
The boiling point of liquid is to increase with pressure and raise, and pressure is lower, and boiling point is lower, makes high pressure, high temperature liquid rapid
Decompression, its boiling point is set to reduce a large amount of evaporations and take away substantial amounts of heat, here it is flash cooled.The cooling for being alkylated cryogen is a large amount of
Using the type of cooling of flash cooled, cryogen rapid boiling vaporization in flash tank, and two-phase laminated flow is carried out, cryogen is reached vapour
The equipment of change is not flash tank, but pressure-reducing valve, and the effect of flash tank is to provide the space of cryogen rapid vaporization and vapor-liquid separation.
Flash tank is divided into product side and cryogen side, there is a baffle plate among both sides.Product side bottom has a depickling bag, is produced for elimination reaction
Remaining acid in thing.The method that pipeline is fed directly to waste acid pot added using depickling bag bottom in design at present, because of flash tank and
Both spent acid collecting tank pressure differences are smaller so that sulfuric acid is difficult to deliver to waste acid pot in depickling bag.If sulfuric acid accumulates for a long time in depickling bag
It is poly-, depickling bag deacidification effect can be caused progressively to weaken or even lose deacidification effect, also result in follow-up equipment band acid corrosion in addition
Equipment.Therefore, a kind of device of new flash distillation recovery acid how is researched and developed, is had important practical significance.
Utility model content
Gathered for a long time in depickling bag for acid present in prior art, depickling bag deacidification effect can be caused progressively to weaken
Technical problem, the purpose of this utility model is to provide the device of flash distillation recovery acid.
The technical scheme that the utility model is taken is：
Flash the device of recovery acid, including flash tank, sour bag, nitrogen storage tank, sour temporary storage tank, spent acid collecting tank, the sudden strain of a muscle
The side bottom of steaming pot is provided with depickling bag, and sour temporary storage tank is provided with below depickling bag, diffusion is provided with the middle part of sour temporary storage tank
Chamber, the inwall of diffusion chamber are provided with deflector, and the lower end of diffusion chamber is arranged to the chamber that flows slowly, and the top inlet of sour temporary storage tank passes through valve
Door a is connected with depickling bag bottom, and the temporary pot bottom of acid is connected by pipeline with the top inlet of spent acid collecting tank, spent acid collecting tank
Bottom connects spent acid cracker by pipeline；Nitrogen pipeline is installed at the top of the sour temporary storage tank, installed in the nitrogen pipeline
Valve b, and be connected with booster pump and nitrogen source.
Further, detachable grid is provided with the middle part of the depickling bag, grid is arranged in horizontal arrangement
" well " shaped frame, dispersed is provided with " rice " font support upwards along the center of grid.
Further, the sour temporary storage tank whole installation is hollow for top is narrow, middle part is wide, bottom is narrow drives roll structure away.
Further, the diffusion chamber is arranged to hollow circular cylinder structure, and the internal diameter of diffusion chamber is upper and lower more than sour temporary storage tank
The internal diameter at both ends.
Further, inwall of the deflector along diffusion chamber, which is outwards heaved, is arranged to wooden dipper shape structure, outside deflector
In side wall some arch bars arranged in parallel are provided with along longitudinal direction.Area of passage is increased, is not easily blocked, cleaning is convenient, recovery effect
Fruit is good.
Further, the unhurried current chamber is arranged to inverted hollow cone cylinder body structure, and the bottom inner diameter for the chamber that flows slowly is more than acid
The upper end internal diameter of temporary storage tank.
Further, it is provided with liquid level gauge in the sour temporary storage tank.
The beneficial effects of the utility model are：
Device in the utility model solves the problems, such as that acid is gathered in flash tank depickling bag and can not discharged, using dodging
Sour temporary storage tank is set up in steaming pot depickling bag bottom, is flow to certainly in sour temporary storage tank by acid in Action of Gravity Field depickling bag, in depickling bag
Grid have collected miscellaneous wadding, recycle nitrogen that acid is delivered into spent acid collecting tank, the special knot of sour temporary storage tank to sour temporary storage tank supercharging
Structure, flash tank product side acid is rapidly and efficiently kept completely separate with reaction product, improve depickling bag deacidification effect, reduce rate of corrosion,
Both realize acid to efficiently separate with reaction product, and improve operability again.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present utility model.
Fig. 2 is the structural representation of sour temporary storage tank in the utility model.
Fig. 3 is the structural representation of grid in the utility model.
Wherein, 1, flash tank；2nd, acid bag；3rd, valve a；4th, sour temporary storage tank；5th, diffusion chamber；6th, flow slowly chamber；7th, valve b；8、
Nitrogen source；9th, spent acid collecting tank；10th, deflector；11st, grid；12nd, " rice " font support.
Embodiment
The utility model is further illustrated below in conjunction with the accompanying drawings.
Embodiment 1
As depicted in figs. 1 and 2, flash the device of recovery acid, including flash tank, sour bag, nitrogen storage tank, sour temporary storage tank, give up
Sour collecting tank, the side bottom of the flash tank are provided with depickling bag, sour temporary storage tank are provided with below depickling bag, the acid is temporarily
Deposit and liquid level gauge is provided with tank, be provided with diffusion chamber in the middle part of sour temporary storage tank, the inwall of diffusion chamber is provided with deflector, diffusion chamber
Lower end is arranged to the chamber that flows slowly, and the top inlet of sour temporary storage tank is connected by valve a with depickling bag bottom, and the temporary pot bottom of acid passes through
Pipeline is connected with the top inlet of spent acid collecting tank, and spent acid collects pot bottom and connects spent acid cracker by pipeline；The acid
Nitrogen pipeline is installed at the top of temporary storage tank, valve b is installed in the nitrogen pipeline, and be connected with booster pump and nitrogen source.
Sour temporary storage tank whole installation is hollow for top is narrow, middle part is wide, bottom is narrow to drive roll structure away.When nitrogen pressurizes, carry
The high speed of pressurization.
Carrying out practically process is：
Sour temporary storage tank is arranged to the lower section of flash tank depickling bag, can realize that acid is flow to certainly in depickling bag by Action of Gravity Field
In sour temporary storage tank, the liquid level gauge in sour temporary storage tank is observed, after sour temporary storage tank canful, closes depickling bag to valve between sour temporary storage tank
A, open the valve b in nitrogen pipeline, start after booster pump by come the nitrogen of nitrogen source to after the supercharging of sour temporary storage tank will acid temporarily
Deposit acid in tank to deliver in spent acid collecting tank, so that the depickling bag inner product polyacids of flash tank and efficiently separating for reaction product.
The diameter of diffusion chamber is more than the diameter of sour temporary storage tank upper end, and cavity is larger, when nitrogen pressurizes, is advantageous to make sour temporary storage tank epimere
Acid solution depressed fast to diffusion intracavitary, the liquid of diffusion intracavitary plays a part of slowly accelerating along unhurried current chamber, is advantageous to acid
Liquid depressed fast in temporary storage tank avoids clogging to spent acid collecting tank, and the acid pickle in spent acid collecting tank delivers to spent acid
Cracker is further handled.
When it is implemented, sour temporary storage tank is located underground, space is saved.The liquid level gauge and valve a of sour temporary storage tank realize it is chain,
Cause valve a to close after sour temporary storage tank canful, realize safety in production.
Embodiment 2
On the basis of embodiment 1, different from embodiment 1, as shown in figure 3, being provided with the middle part of depickling bag detachable
Grid, grid are arranged to " well " shaped frame in horizontal arrangement, dispersed are provided with " rice " word upwards along the center of grid
Shape support.When acid solution enters in depickling bag, the miscellaneous wadding in acid solution is curled up by " rice " font support, then passes through level
" well " shaped frame carries out secondary interception, miscellaneous wadding is fully suspended on grid, is convenient to clean and cleans, be advantageous to Maintenance and Repair,
Avoid blocking, improve the efficiency of depickling.
As shown in Fig. 2 diffusion chamber is arranged to hollow circular cylinder structure, the internal diameter of diffusion chamber is more than sour temporary storage tank upper and lower two
The internal diameter of end.The design of diffusion chamber, the air pressure on top is delivered to the liquid of diffusion intracavitary in acid temporary storage tank when the nitrogen is pressurizeed,
Area of passage is increased, is not easily blocked, cleaning is convenient, and recovering effect is good.
Inwall of the deflector along diffusion chamber, which is outwards heaved, is arranged to wooden dipper shape structure, is set on the lateral wall of deflector along longitudinal direction
There are some arch bars arranged in parallel.Deflector makes acid solution be flowed downward along cavity inner wall, plays a part of water conservancy diversion, contact surface
Product is big, avoids blocking.
Unhurried current chamber is arranged to inverted hollow cone cylinder body structure, and the bottom inner diameter for the chamber that flows slowly is more than the upper end of sour temporary storage tank
Internal diameter.The inwall of unhurried current chamber is set in the gradient, is played a part of accelerating drainage, liquid is uniformly flowed into spent acid collecting tank.
Described above is not to limitation of the present utility model, it should be pointed out that：For the ordinary skill people of the art
For member, on the premise of the utility model in essence scope is not departed from, some variations, modifications, additions or substitutions can also be made,
These improvements and modifications also should be regarded as the scope of protection of the utility model.
Claims (7)
1. flash the device of recovery acid, it is characterised in that including flash tank, sour bag, nitrogen storage tank, sour temporary storage tank, spent acid are collected
Tank, the side bottom of the flash tank are provided with depickling bag, and sour temporary storage tank is provided with below depickling bag, is set in the middle part of sour temporary storage tank
Diffusion chamber is equipped with, the inwall of diffusion chamber is provided with deflector, and the lower end of diffusion chamber is arranged to the chamber that flows slowly, entered at the top of sour temporary storage tank
Mouth is connected by valve a with depickling bag bottom, and the temporary pot bottom of acid is connected by pipeline with the top inlet of spent acid collecting tank, is given up
Acid collects pot bottom and connects spent acid cracker by pipeline；Installation nitrogen pipeline at the top of the sour temporary storage tank, in nitrogen pipeline
Valve b is installed, and is connected with booster pump and nitrogen source.
2. the device of recovery acid is flashed according to claim 1, it is characterised in that be provided with the middle part of the depickling bag removable
Formula grid is unloaded, grid is arranged to " well " shaped frame in horizontal arrangement, is provided with upwards in dispersed along the center of grid
" rice " font support.
3. the device of recovery acid is flashed according to claim 1, it is characterised in that the sour temporary storage tank whole installation is top
It is narrow, middle part is wide, bottom is narrow hollow drives roll structure away.
4. the device of recovery acid is flashed according to claim 1, it is characterised in that the diffusion chamber is arranged to hollow circular cylinder
Structure, the internal diameter of diffusion chamber are more than the internal diameter in sour temporary storage tank upper/lower terminal portion.
5. the device of recovery acid is flashed according to claim 1, it is characterised in that inwall of the deflector along diffusion chamber
Outwards heave and be arranged to wooden dipper shape structure, some arch bars arranged in parallel are provided with along longitudinal direction on the lateral wall of deflector.
6. the device of recovery acid is flashed according to claim 1, it is characterised in that the unhurried current chamber is arranged to inverted hollow
Round estrade structure, the bottom inner diameter for the chamber that flows slowly are more than the upper end internal diameter of sour temporary storage tank.
7. the device of recovery acid is flashed according to claim 1, it is characterised in that be provided with liquid level in the sour temporary storage tank
Meter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720973150.XU CN207076150U (en) | 2017-08-05 | 2017-08-05 | Flash the device of recovery acid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720973150.XU CN207076150U (en) | 2017-08-05 | 2017-08-05 | Flash the device of recovery acid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207076150U true CN207076150U (en) | 2018-03-09 |
Family
ID=61425006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720973150.XU Active CN207076150U (en) | 2017-08-05 | 2017-08-05 | Flash the device of recovery acid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207076150U (en) |
-
2017
- 2017-08-05 CN CN201720973150.XU patent/CN207076150U/en active Active
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