CN205820888U - A kind of integral type innovation of hydrochloric acid desorption units - Google Patents
A kind of integral type innovation of hydrochloric acid desorption units Download PDFInfo
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- CN205820888U CN205820888U CN201620377090.0U CN201620377090U CN205820888U CN 205820888 U CN205820888 U CN 205820888U CN 201620377090 U CN201620377090 U CN 201620377090U CN 205820888 U CN205820888 U CN 205820888U
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- hydrochloric acid
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Abstract
The utility model discloses a kind of integral type innovation of hydrochloric acid desorption units, include the acid solution heated reboiler section of unitary design, filler desorbing tower section, overhead condenser section the most successively.Being provided with concentrated hydrochloric acid input port between described filler desorbing tower section and overhead condenser section, the lower section of described concentrated hydrochloric acid input port is provided with acid solution distributor.This utility model is simple and reasonable, is superimposed upon on desorber by overhead condenser single in original hydrochloric acid desorption system, combines single reboiler in original desorption system in desorber bottom, and inside is directly connected, and becomes an equipment；Overcoming the disadvantage that regular hydrochloric acid desorption apparatus needs multiple devices to combine and needs many pipelines to connect, equipment uses flow process simple, and convenient operating maintenance is taken up an area little, and work efficiency is high, and practical, application prospect is good.
Description
Technical field
This utility model relates to a kind of innovation of hydrochloric acid desorption units, uses impregnated graphite to make particularly to a kind of material of main part,
Integral type innovation of hydrochloric acid desorption units be applicable to the chemical process of hydrochloric acid desorbing hydrogen chloride, belongs to chemical industry equipment technology neck
Territory.
Background technology
For hydrochloric acid desorbing hydrogen chloride, conventional desorption apparatus is formed by technological process concatenation by multiple devices, respectively
Have: main equipment hydrochloric acid desorber, be arranged at the acid solution heated reboiler of side, hydrochloric acid desorber bottom, be arranged at hydrochloric acid desorbing
Overhead condenser above tower；Having gaseous phase materials pipeline, liquid phase material pipeline to connect between each equipment respectively, whole system compares
Complicated.
During operation, the acid solution heated reboiler of side, hydrochloric acid desorber bottom utilizes steam (or other adds thermal medium) to heat
Acid solution, reaches more than hydrochloric acid constant boiling point temperature, and the vaporization of part acid solution forms water and hydrogen chloride steam flows upward, and tower top adds
Concentrated acid by gravity to dirty, with tower at the bottom of rise gas phase counter current contacting, occur heat and mass exchange, the chlorination in concentrated acid after being heated
Hydrogen constantly transfers to gas phase, and in gas phase, moisture content transfers to liquid phase, during in tower, upwards hydrogen chloride is enriched to gas phase, and chlorine in downward liquid phase
Change hydrogen constantly to reduce, until reaching constant boiling point concentration.Part water vapour is also had from the hydrogen chloride gas of tower top output, configured
Remove moisture content after overhead condenser condensation above hydrochloric acid desorber, the hydrogen chloride of purity more than 99.9% can be obtained；Tower
The top condensed hydrochloric acid reflux of condenser enters desorber.
The conventional desorption apparatus at least equipment of more than three connects into desorption system, device complexity by pipeline, grasps
Make maintenance workload big.
Thus, the shortcoming existed according to existing innovation of hydrochloric acid desorption units, improved the most further, overcome regular hydrochloric acid solution
Inhale the disadvantage that device needs multiple devices to combine and needs many pipelines to connect, become the research side that current industry research staff is new
To.
Utility model content
Main purpose of the present utility model is to provide a kind of integral type innovation of hydrochloric acid desorption units, of the prior art to overcome
Not enough.
To achieve these goals, the technical scheme that this utility model is used is as follows:
This utility model embodiment provides a kind of integral type innovation of hydrochloric acid desorption units, includes that integral type sets the most successively
The acid solution heated reboiler section of meter, filler desorbing tower section, overhead condenser section.
As one of preferred version of the present utility model, the bottom of described acid solution heated reboiler section includes reboiler shell
With acid solution heated reboiler low head, the bottom of described acid solution heated reboiler low head offers dilute hydrochloric acid liquid delivery outlet, institute
That states reboiler shell is internally provided with the first graphite heat exchange block.
As one of preferred version of the present utility model, described filler desorbing tower section includes desorbing tower section graphite cylinder body and sets
It is placed in the filler within desorbing tower section graphite cylinder body.
As one of another preferred version of the present utility model, set between described filler desorbing tower section and overhead condenser section
Being equipped with concentrated hydrochloric acid input port, the lower section of described concentrated hydrochloric acid input port is provided with acid solution distributor.
As one of preferred version of the present utility model, the top of described overhead condenser section includes overhead condenser shell
With overhead condenser upper cover, the top of described overhead condenser upper cover offers hydrogen chloride gas delivery outlet, described tower top
Condenser casing be internally provided with the second graphite heat exchange block.
It is furthermore preferred that the top of the side of described reboiler shell, be respectively arranged below and added thermal medium input port, heating
Medium delivery outlet.
It is furthermore preferred that the lower section of side of described overhead condenser shell, top be respectively arranged with cooling medium input port,
Cooling medium delivery outlet.
Concrete, it is provided with circulation passage in the middle of described first graphite heat exchange block.
Further, described second graphite heat exchange block includes that longitudinal arrangement is in longitudinal heat exchange of overhead condenser intrasegmental part
Block, and transversely arranged in the horizontal heat transfer block of overhead condenser intrasegmental part.
Further, described desorbing tower section graphite cylinder body includes a plurality of absorption towers joint being overlapped mutually.
Compared with prior art, the beneficial effects of the utility model at least that:
This utility model is simple and reasonable, and overhead condenser single in original hydrochloric acid desorption system is superimposed upon solution
Inhaling on tower, combine single reboiler in original desorption system in desorber bottom, inside is directly connected, and becomes one
Equipment；Overcoming the disadvantage that regular hydrochloric acid desorption apparatus needs multiple devices to combine and needs many pipelines to connect, equipment uses
Flow process is simple, and convenient operating maintenance is taken up an area little, and work efficiency is high, and practical, application prospect is good.
Accompanying drawing explanation
For structure of the present utility model is described, below in conjunction with the accompanying drawings, detailed description of the invention of the present utility model is made into one
Step explains.
Fig. 1 is the structural representation of a kind of integral type innovation of hydrochloric acid desorption units disclosed in this utility model preferred embodiment
Figure.
Description of reference numerals: 100-acid solution heated reboiler section, 11-reboiler shell, seals under 12-acid solution heated reboiler
Head, 13-dilute hydrochloric acid liquid delivery outlet, 14-the first graphite heat exchange block, 15-adds thermal medium input port, and 16-adds thermal medium delivery outlet,
200-filler desorbing tower section, 21-desorbing tower section graphite cylinder body, 22-filler, 300-overhead condenser section, outside 31-overhead condenser
Shell, 32-overhead condenser upper cover, 33-hydrogen chloride gas delivery outlet, 34-the second graphite heat exchange block, 35-cooling medium inputs
Mouthful, 36-cooling medium delivery outlet, 400-concentrated hydrochloric acid input port, 41-acid solution distributor.
Detailed description of the invention
A kind of integral type innovation of hydrochloric acid desorption units is provided, from lower among a typical embodiments of the present utility model
On include the acid solution heated reboiler section of unitary design, filler desorbing tower section, overhead condenser section successively.
As one of preferred version of the present utility model, the bottom of described acid solution heated reboiler section includes reboiler shell
With acid solution heated reboiler low head, the bottom of described acid solution heated reboiler low head offers dilute hydrochloric acid liquid delivery outlet, institute
That states reboiler shell is internally provided with the first graphite heat exchange block.
As one of preferred version of the present utility model, described filler desorbing tower section includes desorbing tower section graphite cylinder body and sets
It is placed in the filler within desorbing tower section graphite cylinder body.
As one of another preferred version of the present utility model, set between described filler desorbing tower section and overhead condenser section
Being equipped with concentrated hydrochloric acid input port, the lower section of described concentrated hydrochloric acid input port is provided with acid solution distributor.
As one of preferred version of the present utility model, the top of described overhead condenser section includes overhead condenser shell
With overhead condenser upper cover, the top of described overhead condenser upper cover offers hydrogen chloride gas delivery outlet, described tower top
Condenser casing be internally provided with the second graphite heat exchange block.
It is furthermore preferred that the top of the side of described reboiler shell, be respectively arranged below and added thermal medium input port, heating
Medium delivery outlet.
It is furthermore preferred that the lower section of side of described overhead condenser shell, top be respectively arranged with cooling medium input port,
Cooling medium delivery outlet.
Concrete, it is provided with circulation passage in the middle of described first graphite heat exchange block.
Further, described second graphite heat exchange block includes that longitudinal arrangement is in longitudinal heat exchange of overhead condenser intrasegmental part
Block, and transversely arranged in the horizontal heat transfer block of overhead condenser intrasegmental part.
Further, described desorbing tower section graphite cylinder body includes a plurality of absorption towers joint being overlapped mutually.
The technical solution of the utility model is carried out clear, complete below in conjunction with accompanying drawing and some exemplary embodiments
Describe.
Refer to shown in Fig. 1, for a kind of integral type innovation of hydrochloric acid desorption units of the present embodiment, include one the most successively
The acid solution heated reboiler section 100 of formula design, filler desorbing tower section 200, overhead condenser section 300.Described filler desorbing tower section
Being provided with concentrated hydrochloric acid input port 400 between 200 and overhead condenser section 300, the lower section of described concentrated hydrochloric acid input port is provided with acid
Liquid distributor 41.
The bottom of described acid solution heated reboiler section 100 includes reboiler shell 11 and acid solution heated reboiler low head
12, the bottom of described acid solution heated reboiler low head 12 offers dilute hydrochloric acid liquid delivery outlet 13, described reboiler shell interior
Portion is provided with the first graphite heat exchange block 14.It is provided with circulation passage in the middle of described first graphite heat exchange block 14.Outside described reboiler
The top of the side of shell, it is respectively arranged below and adds thermal medium input port 15, add thermal medium delivery outlet 16.
Described filler desorbing tower section 200 includes desorbing tower section graphite cylinder body 21 and is arranged at inside desorbing tower section graphite cylinder body
Filler 22.Described desorbing tower section graphite cylinder body includes a plurality of absorption towers joint being overlapped mutually.
The top of described overhead condenser section 300 includes overhead condenser shell 31 and overhead condenser upper cover 32, institute
The top stating overhead condenser upper cover 32 offers hydrogen chloride gas delivery outlet 33, and the inside of described overhead condenser shell sets
It is equipped with the second graphite heat exchange block 34.Described second graphite heat exchange block 34 includes that longitudinal arrangement is in the longitudinal direction of overhead condenser intrasegmental part
Heat transfer block, and transversely arranged in the horizontal heat transfer block of overhead condenser intrasegmental part.The side of described overhead condenser shell
Lower section, top are respectively arranged with cooling medium input port 35, cooling medium delivery outlet 36.
The operation principle of integral type innovation of hydrochloric acid desorption units of the present utility model particularly as follows:
The concentrated hydrochloric acid treating desorbing is added in integral type innovation of hydrochloric acid desorption units from concentrated hydrochloric acid input port, by acid solution distributor
It is distributed on packing layer and flows downward, when, after acid solution submergence whole reboiler section heat transfer block, reboiler outer steel shell adds heating
Medium (such as steam) begins to warm up hydrochloric acid solution, and overhead condenser section is passed through cooling medium；After hydrochloric acid heating inside reboiler
Circulating in a direction indicated by the arrow, the vaporization of part acid solution forms water and hydrogen chloride steam flows upward, the concentrated acid that tower top adds
By gravity to dirty, with the gas phase counter current contacting of liter on tower bottom, there is heat and mass exchange, the hydrogen chloride in concentrated acid after being heated
Constantly transferring to gas phase, in gas phase, moisture content transfers to liquid phase, during in tower, upwards hydrogen chloride is enriched to gas phase, and chlorination in downward liquid phase
Hydrogen constantly reduces, until reaching constant boiling point concentration.Leave and the hydrogen chloride gas of filler desorbing tower section output also has part water steam
Vapour, configured above filler desorbing tower section overhead condenser section condensation after remove moisture content, can obtain purity 99.9% with
On hydrogen chloride gas, from hydrogen chloride gas delivery outlet export；The condensed hydrochloric acid of overhead condenser section drips directly down, with
The concentrated hydrochloric acid being newly added confluxes.The diluted acid of constant boiling point concentration is dropped to from the acid solution dilute salt of heated reboiler pars infrasegmentalis through desorbing concentration
Acid solution delivery outlet discharges whole device.
Integral type innovation of hydrochloric acid desorption units of the present utility model is a single equipment, and overcoming regular hydrochloric acid desorption apparatus needs
The disadvantage wanting multiple devices to combine and to need many pipelines to connect, equipment uses flow process simple, and convenient operating maintenance is taken up an area little,
Work efficiency is high.
Above-mentioned detailed description of the invention is a better embodiment, only illustrates that technology of the present utility model design and structure are special
Point, it is therefore intended that person skilled in the art can be implemented according to this, does not limit protection model of the present utility model with this
Enclose.Every any equivalence change done according to spirit of the present utility model or modification, all should contain at this utility model
Protection domain in.
Claims (2)
1. an integral type innovation of hydrochloric acid desorption units, it is characterised in that include that the acid solution of unitary design heats again the most successively
Boiling device section, filler desorbing tower section, overhead condenser section, the bottom of described acid solution heated reboiler section includes reboiler shell and acid
Liquid heated reboiler low head, the bottom of described acid solution heated reboiler low head offers dilute hydrochloric acid liquid delivery outlet, described again
Boiling device shell be internally provided with the first graphite heat exchange block, described filler desorbing tower section includes desorbing tower section graphite cylinder body and setting
It is provided with concentrated hydrochloric acid defeated between the filler within desorbing tower section graphite cylinder body, described filler desorbing tower section and overhead condenser section
Entrance, the lower section of described concentrated hydrochloric acid input port is provided with acid solution distributor, and the top of described overhead condenser section includes that tower top is cold
Condenser shell and overhead condenser upper cover, the top of described overhead condenser upper cover offers hydrogen chloride gas delivery outlet,
Described overhead condenser shell be internally provided with the second graphite heat exchange block, the top of side of described reboiler shell, lower section
Being respectively arranged with and add thermal medium input port, add thermal medium delivery outlet, the lower section of side of described overhead condenser shell, top are divided
It is not provided with cooling medium input port, cooling medium delivery outlet, is provided with circulation passage in the middle of described first graphite heat exchange block, institute
State the second graphite heat exchange block and include that longitudinal arrangement is in longitudinal heat transfer block of overhead condenser intrasegmental part and transversely arranged in tower top
Horizontal heat transfer block within condenser section.
Integral type innovation of hydrochloric acid desorption units the most according to claim 1, it is characterised in that: described desorbing tower section graphite cylinder body bag
Include a plurality of absorption towers joint being overlapped mutually.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620377090.0U CN205820888U (en) | 2016-04-29 | 2016-04-29 | A kind of integral type innovation of hydrochloric acid desorption units |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620377090.0U CN205820888U (en) | 2016-04-29 | 2016-04-29 | A kind of integral type innovation of hydrochloric acid desorption units |
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| CN205820888U true CN205820888U (en) | 2016-12-21 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108525337A (en) * | 2018-05-29 | 2018-09-14 | 杭州东日节能技术有限公司 | A kind of dilute hydrochloric acid is concentrated in vacuo tower and its application method |
-
2016
- 2016-04-29 CN CN201620377090.0U patent/CN205820888U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108525337A (en) * | 2018-05-29 | 2018-09-14 | 杭州东日节能技术有限公司 | A kind of dilute hydrochloric acid is concentrated in vacuo tower and its application method |
| CN108525337B (en) * | 2018-05-29 | 2023-07-18 | 杭州东日节能技术有限公司 | Dilute hydrochloric acid vacuum concentration tower and its use method |
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| GR01 | Patent grant |