CN210410178U - Sour gas absorbing device - Google Patents
Sour gas absorbing device Download PDFInfo
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- CN210410178U CN210410178U CN201921003726.5U CN201921003726U CN210410178U CN 210410178 U CN210410178 U CN 210410178U CN 201921003726 U CN201921003726 U CN 201921003726U CN 210410178 U CN210410178 U CN 210410178U
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- tank
- alkali liquor
- acid gas
- lye
- absorption
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Abstract
The utility model provides a pair of sour gas absorbing device, a serial communication port, include: the device comprises an absorption tank with a hollow floating ball packing layer, a spraying alkali liquor inlet fixed at the top of the absorption tank, an alkali liquor tank arranged below the absorption tank, an outlet valve arranged at the bottom of the alkali liquor tank, and a circulating pump for circulating alkali liquor between the spraying alkali liquor inlet and the outlet valve. The utility model provides a sour gas absorbing device utilizes hollow floater as the filler, will be used for with the alkali lye circulation of sour gas neutralization reaction spray under the effect of circulating pump to reach the purpose of the even neutralization reaction of high efficiency.
Description
Technical Field
The utility model relates to an acid gas absorbing device, in particular to absorb even acid gas absorbing device.
Background
In the chlorination or bromination reaction in the drug synthesis, the generation of gases with strong acidic corrosivity such as hydrogen chloride or hydrogen bromide is often accompanied. The acid gas absorption device has the advantages that the environment is polluted, other equipment in a production workshop is corroded, meanwhile, adverse effects are brought to the health of operators, and the conventional acid gas absorption device is slow in absorption speed or uneven in absorption distribution and still has partial acid gas to leak.
Disclosure of Invention
The utility model relates to a solve above-mentioned problem and go on, aim at provides an sour gas absorbing device, utilizes hollow floater as the filler, will be used for with the alkali lye circulation of sour gas neutralization reaction spray under the effect of circulating pump to reach the purpose of the even neutralization reaction of high efficiency.
To achieve the above object, the present invention provides an acid gas absorption device having the following features, including: the device comprises an absorption tank with a hollow floating ball packing layer, a spraying alkali liquor inlet fixed at the top of the absorption tank, an alkali liquor tank arranged below the absorption tank, an outlet valve arranged at the bottom of the alkali liquor tank, and a circulating pump for circulating alkali liquor between the spraying alkali liquor inlet and the outlet valve.
The utility model provides an acid gas absorbing device still has such characteristic, still has to install spray the universal ball that sprays on the alkali lye entry.
The utility model provides an acid gas absorbing device still has such characteristic, still has to install the purge valve of alkali lye tank bottoms portion.
The utility model provides a sour gas absorbing device still has such characteristic, still has to install new alkali lye inlet valve on the lye tank.
The utility model provides an acid gas absorbing device still has such characteristic, still have with the vacuum pump that the lye tank links to each other.
The utility model provides an acid gas absorbing device still has such characteristic, still has to install the absorption tank with orifice plate between the lye tank.
The utility model provides a sour gas absorbing device still has such characteristic, the absorption tank with the lye tank is fixed through flange joint, the orifice plate clamp is in the flange.
Action and Effect of the invention
The utility model relates to a sour gas absorbing device adopts hollow floater as the filler of adsorption tank, can increase the contact time and the area of contact of alkali lye with sour gas, guarantees the porosity in the adsorption tank simultaneously, does benefit to the liquid flow in below lye tank after the neutralization. The tetrafluoro pore plate is clamped between the flanges of the alkali liquor tank and the absorption tank, so that the neutralized liquid can flow out conveniently, and meanwhile, the falling of the hollow floating ball can be prevented. And simultaneously, the utility model discloses in, the new lye that the configuration was good passes through new lye inlet valve, and in going to the lye tank through vacuum siphon under the effect of vacuum pump, lye tank below still has the drain valve and can discharge waste lye. An outlet valve at the bottom of the alkali liquor tank is connected with a circulating fluorine pump, alkali liquor circulation is carried out under the action of the circulating fluorine pump, the alkali liquor is conveyed to an alkali liquor inlet valve above the absorption tank, and the alkali liquor is uniformly sprayed into the absorption tank through a universal spraying ball on the alkali liquor inlet valve.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural view of an acid gas absorption apparatus according to an embodiment of the present invention.
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
An acid gas absorption apparatus according to the present invention will be described in detail below with reference to the accompanying drawings and examples. The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.
Fig. 1 is an overall schematic view of an acid gas absorption apparatus according to an embodiment of the present invention.
As shown in fig. 1, the utility model provides an acid gas absorption device, include: the device comprises an absorption tank 1 with a hollow floating ball packing layer 11, a sprayed alkali liquor inlet 12 fixed at the top of the absorption tank 1, an alkali liquor tank 2 arranged below the absorption tank 1, an outlet valve 21 arranged at the bottom of the alkali liquor tank 2, and a circulating pump 3 for circulating alkali liquor between the sprayed alkali liquor inlet 12 and the outlet valve 21.
Generally, at the top of the above-mentioned absorption tank 1, there is an acid gas inlet 13 for introducing acid gas, similar to a conventional acid gas absorption apparatus or an acid gas absorption tower. Acid gas to be purified enters the absorption tank 1 through the acid gas inlet 13 to be neutralized. In some embodiments, the absorption tank 1 is made of PVC.
The spraying alkali liquor inlet 12 arranged at the top of the absorption tank 1 is used for introducing alkali liquor which is subjected to neutralization reaction with the acid gas. After the acid gas and the alkali liquor sprayed on the top of the absorption tank 1 are subjected to neutralization reaction, the generated liquid falls through the hollow floating ball packing layer 11 of the absorption tank 1.
In addition, the acid gas absorption device of the utility model is also provided with a universal spraying ball 14 arranged on the spraying alkali liquor inlet 12. The alkali liquor flowing out from the spraying alkali liquor inlet 12 passes through the universal spraying ball 14, is sprayed in the absorption tank 1 from all directions, and is fully contacted with the acid gas entering the absorption tank 1 to carry out neutralization reaction.
In some embodiments, the packing layer of the absorption tank 1 is a hollow floating ball packing layer 11. The hollow floating ball packing 11 is used as a packing layer in the absorption tank 1, and the characteristics of small specific gravity and large porosity of the hollow floating ball are utilized, so that the contact time and area of the alkali liquor and the acid gas in the hollow floating ball can be increased, the neutralization reaction efficiency is improved, a certain porosity is ensured, and the neutralized liquid can flow into the lower part.
In addition, the acid gas absorption device of the utility model is also provided with an orifice plate 4 which is arranged between the absorption tank 1 and the lye tank. The orifice plate 4 can facilitate the neutralized liquid to flow into the lye tank 2 and simultaneously prevent the hollow floating ball in the absorption tank 1 from falling. The absorption tank 1 and the lye tank 2 are fixedly connected through a pair of flanges (not shown in the figure), and the orifice plate 4 is clamped in the interlayer of the pair of flanges.
In some embodiments, the lye tank 2 can be a 304 stainless steel lye tank, and the pore plate 4 can be a tetrafluoro pore plate 4.
In addition, after entering the lye tank 2, the neutralized liquid flows out from an outlet valve 21 at the bottom of the lye tank, enters the sprayed lye inlet 12 through a pipeline under the action of the circulating pump 3, and is circularly sprayed and neutralized. In some embodiments, the vacuum pump 3 is a fluorine pump 3.
In addition, the acid gas absorption device of the utility model is also provided with a drain valve 22 arranged at the bottom of the lye tank 2. When acid gas is continuously introduced into the absorption tank 1 for neutralization reaction, neutralized liquid falls along the gap of the hollow floating ball and flows into the lye tank 2 below from the orifice plate 4. When the neutralized liquid is accumulated to a certain amount in the lye tank 2, the pH value of the liquid in the lye tank 2 is too low to perform efficient neutralization reaction with the acid gas, which can be called as waste liquid, and the waste liquid in the lye tank 2 can be discharged by opening the purge valve 22 at the bottom of the lye tank 2. The above pH value may be set in advance, and when the pH value in the alkali solution tank 2 falls to the set pH value, the waste liquid in the tank is purged.
When the waste liquid in the lye tank 2 is discharged, new lye needs to be introduced to continue to circulate for neutralization reaction. The utility model discloses an among the sour gas absorbing device, still have with the vacuum pump 5 that lye tank 2 links to each other, and install new lye inlet valve 23 on the lye tank. And under the action of the vacuum pump 5, introducing the prepared new alkali liquor into the new alkali liquor inlet valve 23 through a pipeline, sucking the new alkali liquor into the alkali liquor tank 2 under the action of vacuum siphonage, conveying the alkali liquor to the upper part of the absorption tank 1 under the circulating action of the tank bottom circulating pump 3, and continuously and uniformly spraying through the universal spraying ball.
Example 1
Fig. 1 is an overall schematic view of an acid gas absorption apparatus according to an embodiment of the present invention.
As shown in fig. 1, the present embodiment provides an acid gas absorption apparatus, including: the device comprises a PVC absorption tank 1 with a hollow floating ball packing layer 11, a spraying alkali liquor inlet 12 fixed at the top of the PVC absorption tank 1, a 304 stainless steel alkali liquor tank 2 arranged below the PVC absorption tank 1, an outlet valve 21 arranged at the bottom of the 304 stainless steel alkali liquor tank 2, and a fluorine pump 3 for circulating alkali liquor among the spraying alkali liquor inlet 12, the 304 stainless steel alkali liquor tank 2 and the outlet valve 21.
At the top of the above-mentioned PVC absorption tank 1, there is an acid gas inlet 13 for introducing acid gas. Acid gas to be purified enters the PVC absorption tank 1 through the acid gas inlet 13 to be subjected to neutralization reaction.
The spraying alkali liquor inlet 12 arranged at the top of the PVC absorption tank 1 is used for introducing alkali liquor which is subjected to neutralization reaction with the acid gas. After the acid gas and the alkali liquor sprayed on the top of the PVC absorption tank 1 are subjected to neutralization reaction, the generated liquid falls through the hollow floating ball packing layer 11 of the PVC absorption tank 1.
In addition, the acid gas absorption device of the embodiment further comprises a universal spray ball 14 installed on the spray alkali liquor inlet 12. And the alkali liquor flowing out from the spraying alkali liquor inlet 12 passes through the universal spraying ball 14, is sprayed in the PVC absorption tank 1 from all directions, and is fully contacted with the acid gas entering the PVC absorption tank 1 to perform neutralization reaction.
In addition, the acid gas absorption apparatus of the present example further includes a tetrafluoro-perforated plate 4 installed between the PVC absorption tank 1 and the 304 stainless-steel alkaline solution tank. The orifice plate 4 can facilitate the neutralized liquid to flow into the 304 stainless steel alkaline liquor tank 2 and simultaneously prevent the hollow floating ball in the PVC absorption tank 1 from falling. The PVC absorption tank 1 and the 304 stainless steel alkaline solution tank 2 are fixedly connected by a flange (not shown in the figure), and the tetrafluoro orifice plate 4 is clamped in the flange.
In addition, after entering the 304 stainless steel lye tank 2, the neutralized liquid flows out from an outlet valve 21 at the bottom of the 304 stainless steel lye tank, enters the spraying lye inlet 12 through a pipeline under the action of the fluorine pump 3, and is circularly sprayed and neutralized.
In addition, the acid gas absorption apparatus of the present embodiment further includes a purge valve 22 installed at the bottom of the 304 stainless steel alkaline solution tank 2. When acid gas is continuously introduced into the PVC absorption tank 1 for neutralization reaction, neutralized liquid falls along the gap of the hollow floating ball and flows into a 304 stainless steel alkaline solution tank 2 below from a tetrafluoro pore plate 4. When the neutralized liquid is accumulated in the 304 stainless steel lye tank 2 to a certain amount, the pH value of the liquid in the 304 stainless steel lye tank 2 is too low to perform efficient neutralization reaction with the acid gas, which can be called as waste liquid, and the waste liquid in the 304 stainless steel lye tank 2 can be discharged by opening the purge valve 22 at the bottom of the 304 stainless steel lye tank 2.
When the waste liquid in the 304 stainless steel alkali liquor tank 2 is discharged completely, new alkali liquor needs to be introduced to continuously and circularly carry out neutralization reaction. The acid gas absorption apparatus of this embodiment further comprises a vacuum pump 5 connected to the 304 stainless steel lye tank 2, and a new lye inlet valve 23 installed on the 304 stainless steel lye tank. And under the action of the vacuum pump 5, introducing the prepared new alkali liquor into the new alkali liquor inlet valve 23 through a pipeline, sucking the new alkali liquor into the 304 stainless steel alkali liquor tank 2 under the action of vacuum siphoning, conveying the alkali liquor to the upper part of the PVC absorption tank 1 under the circulating action of the tank bottom fluorine pump 3, and continuously and uniformly spraying through the universal spraying ball.
Effects and effects of the embodiments
According to the acid gas absorption device, the hollow floating ball is used as the filler of the absorption tank, so that the contact time and the contact area of the alkali liquor and the acid gas can be prolonged, the porosity in the absorption tank is ensured, and the neutralized liquid can flow into the alkali liquor tank below. The tetrafluoro pore plate is clamped between the flanges of the alkali liquor tank and the absorption tank, so that the neutralized liquid can flow out conveniently, and meanwhile, the falling of the hollow floating ball can be prevented. And simultaneously, the utility model discloses in, the new lye that the configuration was good passes through new lye inlet valve, and in going to the lye tank through vacuum siphon under the effect of vacuum pump, lye tank below still has the drain valve and can discharge waste lye. An outlet valve at the bottom of the alkali liquor tank is connected with a circulating fluorine pump, alkali liquor circulation is carried out under the action of the circulating fluorine pump, the alkali liquor is conveyed to an alkali liquor inlet valve above the absorption tank, and the alkali liquor is uniformly sprayed into the absorption tank through a universal spraying ball on the alkali liquor inlet valve.
The above embodiment numbers of the present invention are only for description, and do not represent the advantages and disadvantages of the embodiments.
The above is only the preferred embodiment of the present invention, and not the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings or the direct or indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims (7)
1. An acid gas absorption apparatus, comprising:
an absorption tank with a hollow floating ball packing layer,
a spraying alkali liquor inlet fixed on the top of the absorption tank,
an alkali liquor tank arranged below the absorption tank,
an outlet valve arranged at the bottom of the lye tank,
and a circulating pump for circulating the alkali liquor between the spraying alkali liquor inlet and the outlet valve.
2. The acid gas absorption apparatus according to claim 1, further comprising a universal spray ball mounted on said spray lye inlet.
3. The acid gas absorption apparatus according to claim 1, further comprising a purge valve installed at the bottom of said lye tank.
4. The acid gas absorption apparatus according to claim 1 further comprising a fresh lye inlet valve installed on said lye tank.
5. The acid gas absorption apparatus according to claim 4, further comprising a vacuum pump connected to said lye tank.
6. The acid gas absorption apparatus according to claim 1 further comprising an orifice plate installed between the absorption tank and the lye tank.
7. The acid gas absorption apparatus according to claim 6, wherein the absorption tank and the lye tank are fixed by flange connection, and the orifice plate is sandwiched by the flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921003726.5U CN210410178U (en) | 2019-06-28 | 2019-06-28 | Sour gas absorbing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921003726.5U CN210410178U (en) | 2019-06-28 | 2019-06-28 | Sour gas absorbing device |
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| Publication Number | Publication Date |
|---|---|
| CN210410178U true CN210410178U (en) | 2020-04-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921003726.5U Active CN210410178U (en) | 2019-06-28 | 2019-06-28 | Sour gas absorbing device |
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| CN (1) | CN210410178U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112011785A (en) * | 2020-10-10 | 2020-12-01 | 常州艾恩希纳米镀膜科技有限公司 | Waste gas neutralizing system for CVD coating equipment |
-
2019
- 2019-06-28 CN CN201921003726.5U patent/CN210410178U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112011785A (en) * | 2020-10-10 | 2020-12-01 | 常州艾恩希纳米镀膜科技有限公司 | Waste gas neutralizing system for CVD coating equipment |
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