CN208320391U - Hydrogen chloride gas absorbing tower - Google Patents
Hydrogen chloride gas absorbing tower Download PDFInfo
- Publication number
- CN208320391U CN208320391U CN201820670595.5U CN201820670595U CN208320391U CN 208320391 U CN208320391 U CN 208320391U CN 201820670595 U CN201820670595 U CN 201820670595U CN 208320391 U CN208320391 U CN 208320391U
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- CN
- China
- Prior art keywords
- absorber portion
- hydrogen chloride
- chloride gas
- spray equipment
- liquid outlet
- 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.)
- Expired - Fee Related
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- Gas Separation By Absorption (AREA)
- Treating Waste Gases (AREA)
Abstract
The utility model relates to chemical production technical fields, more particularly to a kind of hydrogen chloride gas absorbing tower, including tower body, the tower body is internally provided with the first absorber portion and the second absorber portion above the first absorber portion, spray equipment A is provided between first absorber portion and second absorber portion, gas access and liquid outlet A are provided with below first absorber portion, gas vent and spray equipment B are provided with above second absorber portion, the liquid outlet A is connected to the inlet B of the spray equipment B.The utility model carries out first time absorption in the first absorber portion, hydrochloric acid solution is formed in tower bottom, then the spray equipment B that solution is delivered to tower top second is carried out to absorb, hydrogen chloride absorption effect is good, reduce the discharge of hydrogen chloride gas, and the dilute hydrochloric acid solution of tower bottom is subjected to double absorption to hydrogen chloride gas, reduce water consumption, reduces enterprise's production cost.
Description
Technical field
The utility model relates to chemical production technical fields, more particularly to a kind of hydrogen chloride gas absorbing tower.
Background technique
Mainly by halogenated flame retardant and phosphorus flame retardant, halogenated flame retardant produces currently used fire retardant in combustion
The good corrosive gas of raw many a large amount of smog, or even generate extremely toxic substance dioxin.As the environmental consciousness of people increasingly increases
By force, phosphate ester flame retardants are the environmentally friendly fire retardants of a kind of Halogen, low cigarette, low toxicity, and good etc. with Polymers Phase capacitive
Advantage is more and more favored.And deepening continuously with fire retardant research, phosphate ester flame retardants are from phosplate to more
Polyphosphoric acid esters transition, the especially oligomer of biphosphonate, bisphenol-A bis- (diphenyl phosphoesters) (BDP) belong to biphosphonate
One of main representative of oligomer, application are also increasingly valued by people.
The synthesis technology of BDP is mainly bisphenol-A first and polycondensation reaction occurs for phosphorus oxychloride, generates intermediate bisphenol-A tetrachloro
Biphosphonate and hydrogen chloride；Then intermediate carries out end capping reaction with phenol again and obtains product BDP, while generating hydrogen chloride.BDP
A large amount of hydrogen chloride by-product can be generated in the synthesis process, if hydrogen chloride by-product is comprehensively utilized, can not only be protected
Retaining ring border, and can turn waste into wealth, generate considerable economic benefit.However, existing hydrogen chloride absorption device water consumption compared with
Greatly, production cost is improved, while hydrogen chloride absorption effect is poor, still has partial oxidation hydrogen to drain into environment, pollutes environment.
Utility model content
The purpose of this utility model is that in view of the deficiencies of the prior art, and a kind of hydrogen chloride gas absorbing tower is provided,
First use water absorbing hydrogen chloride gas, the hydrogen chloride gas that then process is once absorbed with the hydrochloric acid solution that is formed after absorbing again into
Row double absorption improves the assimilation effect of hydrogen chloride gas so as to reduce the usage amount of water.
The technical scheme adopted by the utility model to solve the technical problem is as follows: a kind of hydrogen chloride gas absorbing tower, including
Tower body, the tower body are internally provided with the first absorber portion and the second absorber portion above the first absorber portion, and described first inhales
It receives section and is provided with several communicating pipe A for being connected to first absorber portion up and down, the first absorber portion side wall upper part and bottom
Portion is respectively arranged with cooling liquid outlet A and cooling liquid inlet A, is provided between first absorber portion and second absorber portion
Spray equipment A, the spray equipment A are provided with inlet A, and the first absorber portion lower section is provided with gas access and liquid outlet
A, be provided with above second absorber portion gas vent and spray equipment B, the liquid outlet A and the spray equipment B into
Liquid mouth B connection.
Further, second absorber portion is provided with several communicating pipe B for being connected to second absorber portion up and down, institute
It states the second absorber portion side wall upper part and bottom is respectively arranged with cooling liquid outlet B and cooling liquid inlet B.
Further, the cooling liquid outlet B is connected to the cooling liquid inlet A.
Further, the liquid outlet A is connected to the inlet B by flow pump.
Further, the communicating pipe A is spiral shape.
Further, the gas access is provided with flow control valve.
Further, the tower body bottom is provided with tap hole, and the tap hole is provided with valve.
The beneficial effects of the utility model are: a kind of hydrogen chloride gas absorbing tower, including tower body, tower body inside setting
There are the first absorber portion and the second absorber portion above the first absorber portion, first absorber portion is provided with several will be described
The communicating pipe A that first absorber portion is connected to up and down, the first absorber portion side wall upper part and bottom are respectively arranged with cooling liquid outlet A
With cooling liquid inlet A, spray equipment A, the spray equipment A are provided between first absorber portion and second absorber portion
It is provided with inlet A, gas access and liquid outlet A are provided with below first absorber portion, is set above second absorber portion
It is equipped with gas vent and spray equipment B, the liquid outlet A is connected to the inlet B of the spray equipment B.Water is from spray equipment A
The hydrogen chloride gas of rising together, into the first absorber portion, is carried out primary absorb in tower by the hydrochloric acid solution of same second absorber portion
Desalinization of soil by flooding or leaching acid solution is formed on body bottom, and dilute hydrochloric acid solution is transported to again in spray equipment B, carries out two to the gas by once absorbing
Secondary absorption.The utility model carries out double absorption to hydrogen chloride gas, and hydrogen chloride absorption effect is good, reduces hydrogen chloride gas
Discharge, and the dilute hydrochloric acid solution of tower bottom is subjected to double absorption to hydrogen chloride gas, reduce water consumption, it is raw to reduce enterprise
Produce cost.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model hydrogen chloride gas absorbing tower.
Description of symbols:
1 --- tower body, 11 --- gas access, 11a --- flow control valve, 12 --- liquid outlet A, 13 --- gas goes out
Mouthful, 14 --- tap hole, 15 --- valve, 2 --- the first absorber portion, 21 --- communicating pipe A, 22 --- cooling liquid outlet A,
23 --- cooling liquid inlet A, 3 --- the second absorber portion, 31 --- communicating pipe B, 32 --- cooling liquid outlet B, 33 --- it is cooling
Liquid import B, 4 --- spray equipment A, 41 --- inlet A, 5 --- spray equipment B, 52 --- inlet B, 6 --- flow
Pump.
Specific embodiment
The utility model is described in further detail in the following with reference to the drawings and specific embodiments, is not that this is practical
Novel practical range limited to this.
As shown in Figure 1, the hydrogen chloride gas absorbing tower of the present embodiment, including tower body 1, the tower body 1 are internally provided with
One absorber portion 2 and the second absorber portion 3 above the first absorber portion 2, first absorber portion 2 is provided with several will be described
The communicating pipe A21 of first about 2 absorber portion connection, 2 side wall upper part of the first absorber portion and bottom are respectively arranged with coolant liquid
A22 and cooling liquid inlet A23 is exported, is provided with spray equipment A4 between first absorber portion 2 and second absorber portion 3,
The spray equipment A4 is provided with inlet A41, is provided with gas access 11 and liquid outlet A12 below first absorber portion 2,
Gas vent 13 and spray equipment B5, the liquid outlet A12 and the spray equipment B5 are provided with above second absorber portion 3
Inlet B51 connection.In use, water from inlet A41 enter spray equipment with from the hydrochloric acid solution one of the second absorber portion 3
It rises, hydrogen chloride gas is absorbed into the first absorber portion 2, hydrochloric acid solution is formed in tower body bottom after absorption, by tower body bottom
The hydrochloric acid solution in portion is delivered to inlet B51, after spray equipment B5 spray, carries out to the gas by once absorbing secondary
It absorbs, improves the assimilation effect of hydrogen chloride, meanwhile, the hydrochloric acid solution of tower bottom is delivered to tower top, double absorption is carried out to gas,
The water consumption of absorbing hydrogen chloride gas can be reduced, production cost is reduced.
For improve hydrogen chloride double absorption effect, reduce overhead gas export 13 hydrogen chloride discharge amount, described second
Absorber portion 3 is provided with several communicating pipe B31 for being connected to about 3 second absorber portion, on 3 side wall of the second absorber portion
Portion and bottom are respectively arranged with cooling liquid outlet B32 and cooling liquid inlet B33.
Since the hydrogen chloride gas scale of construction is less in the second absorber portion 3, the heat for absorbing releasing is less, and the coolant liquid goes out
Mouth B32 is connected to the cooling liquid inlet A23, it is possible to reduce the dosage of coolant liquid.
The liquid outlet A12 is connected to the inlet B51 by flow pump 6, by flow pump 6 that the hydrochloric acid of tower bottom is molten
Liquid is delivered to the inlet B51 of tower top.
The communicating pipe A21 is spiral shape, can extend the convection current time of solution and hydrogen chloride gas, improve hydrogen chloride
Absorption efficiency.
The gas access 11 is provided with flow control valve 11a, convenient for adjusting the flow that hydrogen chloride gas enters tower body 1.
1 bottom of tower body is provided with tap hole 14, and the tap hole 14 is provided with valve 15, convenient for discharge 1 bottom of tower body
The hydrochloric acid solution in portion.
Finally it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than to this reality
With the limitation of novel protected range, although being explained in detail referring to preferred embodiment to the utility model, this field it is general
Lead to it will be appreciated by the skilled person that can be with the technical solution of the present invention is modified or equivalently replaced, without departing from this
The spirit and scope of utility model technical solution.
Claims (7)
1. hydrogen chloride gas absorbing tower, it is characterised in that: including tower body (1), the tower body (1) is internally provided with the first absorber portion
(2) and the second absorber portion (3) for being located above the first absorber portion (2), first absorber portion (2) is provided with several will be described
The communicating pipe A(21 that first absorber portion (2) is connected to up and down), the first absorber portion (2) side wall upper part and bottom are respectively arranged with
Cooling liquid outlet A(22) and cooling liquid inlet A(23), it is arranged between first absorber portion (2) and second absorber portion (3)
Have spray equipment A(4), the spray equipment A(4) it is provided with inlet A(41), the first absorber portion (2) lower section is provided with
Gas access (11) and liquid outlet A(12), the second absorber portion (3) top is provided with gas vent (13) and spray equipment B
(5), the liquid outlet A(12) it is connected to the inlet B(51 of the spray equipment B(5)).
2. hydrogen chloride gas absorbing tower according to claim 1, it is characterised in that: second absorber portion (3) is provided with
Several communicating pipe B(31 for being connected to second absorber portion (3) up and down), the second absorber portion (3) side wall upper part and bottom
Portion is respectively arranged with cooling liquid outlet B(32) and cooling liquid inlet B(33).
3. hydrogen chloride gas absorbing tower according to claim 2, it is characterised in that: the cooling liquid outlet B(32) and institute
State cooling liquid inlet A(23) connection.
4. hydrogen chloride gas absorbing tower according to claim 1, it is characterised in that: the liquid outlet A(12) with it is described into
Liquid mouth B(51) it is connected to by flow pump (6).
5. hydrogen chloride gas absorbing tower according to claim 1, it is characterised in that: the communicating pipe A(21) it is spiral shape.
6. hydrogen chloride gas absorbing tower according to claim 1, it is characterised in that: the gas access (11) is provided with stream
Adjustable valve (11a).
7. hydrogen chloride gas absorbing tower according to claim 1, it is characterised in that: tower body (1) bottom, which is provided with, puts
Liquid mouth (14), the tap hole (14) are provided with valve (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820670595.5U CN208320391U (en) | 2018-05-07 | 2018-05-07 | Hydrogen chloride gas absorbing tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820670595.5U CN208320391U (en) | 2018-05-07 | 2018-05-07 | Hydrogen chloride gas absorbing tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208320391U true CN208320391U (en) | 2019-01-04 |
Family
ID=64776679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820670595.5U Expired - Fee Related CN208320391U (en) | 2018-05-07 | 2018-05-07 | Hydrogen chloride gas absorbing tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208320391U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114570168A (en) * | 2022-05-05 | 2022-06-03 | 东营市赫邦化工有限公司 | Combined absorber for producing high-concentration hydrochloric acid |
-
2018
- 2018-05-07 CN CN201820670595.5U patent/CN208320391U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114570168A (en) * | 2022-05-05 | 2022-06-03 | 东营市赫邦化工有限公司 | Combined absorber for producing high-concentration hydrochloric acid |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190104 Termination date: 20210507 |