CN219355799U - Acid tail gas recovery device - Google Patents
Acid tail gas recovery device Download PDFInfo
- Publication number
- CN219355799U CN219355799U CN202320706158.5U CN202320706158U CN219355799U CN 219355799 U CN219355799 U CN 219355799U CN 202320706158 U CN202320706158 U CN 202320706158U CN 219355799 U CN219355799 U CN 219355799U
- Authority
- CN
- China
- Prior art keywords
- air inlet
- tail gas
- gas recovery
- inlet chamber
- side wall
- 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.)
- Active
Links
Landscapes
- Gas Separation By Absorption (AREA)
Abstract
The utility model provides an acid tail gas recovery device, which belongs to the technical field of tail gas treatment, and comprises a tail gas recovery tank, a tail gas recovery pipeline, three recovery chambers, three groups of air inlet units and a booster pump; the three recovery chambers are formed by four steel plates obliquely arranged on the inner side wall of the tail gas recovery pipe, and the three recovery chambers are a first air inlet chamber, a second air inlet chamber and a third air inlet chamber from bottom to top respectively; the air inlet unit comprises an air inlet steel pipe, an air inlet hose, an anti-falling suction head and a bubble stone sleeve, wherein the air inlet steel pipe is positioned on the lower side wall of the top end of the first air inlet chamber, the second air inlet chamber and the third air inlet chamber, the anti-falling suction head is connected with the air inlet steel pipe through the air inlet hose, and the bubble stone sleeve is positioned at the end part of the anti-falling suction head.
Description
Technical Field
The utility model relates to the technical field of tail gas treatment equipment, in particular to an acid tail gas recovery device.
Background
Sulfur dioxide is the only auxiliary material (except water and air) in the production process of the corn starch, and is derived from liquid sulfur dioxide (outsourcing) or sulfur combustion (self-making). Its use in corn starch production is mainly manifested in the role of sulfurous acid in the corn steeping process. The use of sulfur dioxide in corn steep water exhibits the reaction formula: SO (SO) 2 +H 2 O=H 2 SO 3 Because of the reversibility of the reaction, the sulfurous acid is a mixed solution of sulfur dioxide, hydrogen sulfite and water, and corresponding sulfur dioxide waste gas can be generated after the production is finished, so that the sulfur dioxide waste gas needs to be recovered;
the sulfur dioxide tail gas recycling device with the application number of 202220724337.7 comprises a device main body, wherein an air inlet pipe and a liquid outlet are respectively penetrated below one side of the device main body, and a purification assembly is arranged above the inside of the device main body;
the above-mentioned design scheme has increased absorption efficiency when using, but because too complicated, cost of maintenance is big, and absorption efficiency remains to improve, and tail gas and the contact of retrieving liquid are not thorough, and because retrieving liquid continuously flows, and it is in the next chamber that melts to flow to not pass through the saturation, has caused the waste, consequently needs a simple structure, can also increase the device of area of contact between tail gas and the retrieving liquid.
Disclosure of Invention
In view of the above, the utility model provides an acid tail gas recovery device, which is characterized in that through the obliquely arranged recovery chamber, the contact area between the tail gas and the recovery liquid is greatly enhanced by being matched with the bubble stone sleeve on the air inlet unit, and the recovery chamber has a simple structure and is convenient to maintain.
In order to solve the technical problems, the utility model provides an acid tail gas recovery device, which comprises a tail gas recovery tank, a tail gas recovery pipeline, three recovery chambers, three groups of air inlet units and a booster pump;
the three recovery chambers are formed by four steel plates obliquely arranged on the inner side wall of the tail gas recovery pipe, and the three recovery chambers are a first air inlet chamber, a second air inlet chamber and a third air inlet chamber from bottom to top respectively;
the air inlet unit comprises an air inlet steel pipe, an air inlet hose, an anti-falling suction head and a bubble stone sleeve, wherein the air inlet steel pipe is positioned on the lower side wall of the top ends of the first air inlet chamber, the second air inlet chamber and the third air inlet chamber, the anti-falling suction head is connected with the air inlet steel pipe through the air inlet hose, and the bubble stone sleeve is positioned at the end part of the anti-falling suction head.
After the design scheme is adopted, firstly, the recovery liquid for absorbing the acid tail gas is injected into the first air inlet chamber, the second air inlet chamber and the third air inlet chamber through the liquid inlet, so that the recovery liquid occupies two thirds of the first air inlet chamber, the second air inlet chamber and the third air inlet chamber, the air inlet unit is positioned in the recovery liquid, then, the acid tail gas containing sulfur dioxide is injected into the tail gas recovery tank through the tail gas recovery pipeline, and then, the acid tail gas enters the anti-fall suction head through the air inlet steel pipe of each air inlet chamber and is dispersed in the recovery liquid through the bubble stone, the contact area of the sulfur dioxide tail gas in the recovery liquid is greatly enhanced, and the production recovery efficiency is increased.
As still another improvement of the present utility model, in order to achieve that the acid off-gas can be introduced into the relevant recovery liquid layer by layer upward and the contact area is increased by dispersion of the bubble stone, an off-gas recovery pipe is connected to the bottom outer side wall of the off-gas recovery tank, and a booster pump is connected to the end of the off-gas recovery pipe.
As another improvement of the utility model, in order to facilitate replacement of saturated solution and continuous recovery, the side walls of the two end parts of the first air inlet chamber, the second air inlet chamber and the third air inlet chamber are respectively provided with a liquid exchange port and a liquid inlet, the liquid exchange port and the liquid inlet are respectively provided with a flat joint, and the flat joints are respectively connected with a manual diaphragm valve.
As a further improvement of the present utility model, in order to prevent the recovery liquid from leaking at the flat joints, the joints of the flat joints are each provided with a leak-proof rubber ring.
As another improvement of the utility model, in order to prevent the reclaimed liquid from entering the air inlet hose and corroding the air inlet hose, the acid tail gas can only flow unidirectionally, and the anti-fall suction head comprises a round short pipe, a round plug cover, a guide rod and a limit sleeve;
the lower end of the round short pipe is connected to the end of the air inlet hose, in order to enable the end of the round short pipe to fall on the end of the round short pipe vertically after being opened and closed, recovery liquid cannot flow in obliquely, the limiting sleeve is located on the inner side wall of the round short pipe, the round plug cover is located on the upper end of the round short pipe, the guide rod is arranged in the limiting sleeve in a sliding mode, and the guide rod is connected to the round plug cover.
As a further improvement of the utility model, in order to enable the circular plug cover to be separated from the circular short pipe without affecting the installation of the bubble stone sleeve, the shape of the circular plug cover is matched with the inner side wall of the circular short pipe, and the diameter of the circular plug cover is smaller than the inner diameter of the bubble stone sleeve.
As a further improvement of the utility model, in order to facilitate the disassembly of the bubble stone sleeve, the inner anti-fall suction head is overhauled, and the outer side wall of the lower end of the bubble stone sleeve is provided with a clamp which is used for being fixed on the outer side wall of the anti-fall suction head.
In summary, compared with the prior art, the method has at least one of the following beneficial technical effects:
1. after the design scheme is adopted, firstly, the recovery liquid for absorbing the acid tail gas is injected into the first air inlet chamber, the second air inlet chamber and the third air inlet chamber through the liquid inlet, so that the recovery liquid occupies two thirds of the first air inlet chamber, the second air inlet chamber and the third air inlet chamber, the air inlet unit is positioned in the recovery liquid, then, the acid tail gas containing sulfur dioxide is injected into the tail gas recovery tank through the tail gas recovery pipeline, and then, the acid tail gas enters the anti-fall suction head through the air inlet steel pipe of each air inlet chamber and is dispersed in the recovery liquid through the bubble stone, the contact area of the sulfur dioxide tail gas in the recovery liquid is greatly enhanced, and the production recovery efficiency is increased.
2. According to the utility model, the liquid exchange ports and the liquid inlet ports are arranged on the inner walls of the two sides of each air inlet cavity, so that saturated recovery liquid can be replaced timely, and the recovery efficiency of acid tail gas is ensured.
3. The utility model also ensures that the recovery liquid can not enter the air inlet hose through the arrangement of the anti-falling suction head, thereby ensuring the service life of the air inlet unit, reducing the investment, and the air inlet unit has simple structure, is economical and practical, is convenient for replacement and reduces the burden of enterprises.
Drawings
FIG. 1 is a schematic diagram of an acid tail gas recovery device;
FIG. 2 is a side view of an acid tail gas recovery device;
FIG. 3 is a schematic cross-sectional view of B-B of FIG. 2;
FIG. 4 is a schematic view of the structure of the anti-tip.
Reference numerals:
100. a tail gas recovery tank; 110. a steel plate; 120. a first air intake chamber; 130. a second air intake chamber; 140. a third air intake chamber; 150. a liquid exchange port; 160. a liquid inlet; 170. a flat joint; 200. a tail gas recovery pipeline; 300. an air intake unit; 310. an air inlet steel pipe; 320. an air intake hose; 330. anti-fall suction head; 331. a circular short tube; 332. a circular plug cover; 333. a guide rod; 334. a limit sleeve; 340. a bubble stone sleeve; 400. and a booster pump.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to fig. 1 to 4 of the embodiments of the present utility model. It will be apparent that the described embodiments are some, but not all, embodiments of the utility model. All other embodiments, which are obtained by a person skilled in the art based on the described embodiments of the utility model, fall within the scope of protection of the utility model.
An acid tail gas recovery apparatus as shown in fig. 1 to 4, comprising a tail gas recovery tank 100 and a tail gas recovery pipe 200, and further comprising three recovery chambers, three sets of air intake units 300, and a booster pump 400;
three supporting legs are arranged on the outer side wall of the tail gas recovery tank 100, a tail gas recovery pipe is fixed on the ground, a tail gas recovery pipeline 200 is communicated with the tail gas recovery tank 100 from the bottom of the tail gas recovery tank 100, and a booster pump 400 boosts the tail gas recovery pipe;
the three recovery chambers are composed of four steel plates 110 obliquely arranged on the inner side wall of the tail gas recovery pipe, the steel plates 110 are connected with the inner side wall of the tail gas recovery tank 100 through welding, the three recovery chambers are a first air inlet chamber 120, a second air inlet chamber 130 and a third air inlet chamber 140 from bottom to top, the lower side of the first air inlet chamber 120 is communicated with an air inlet space of the tail gas recovery pipe 200, and the upper side of the third air inlet chamber 140 is communicated with an air outlet space of the next purification step;
the air inlet unit 300 comprises an air inlet steel pipe 310, an air inlet hose 320, an anti-falling suction head 330 and a bubble stone sleeve 340, wherein the air inlet steel pipe 310 is positioned on the lower side wall of the top end of the first air inlet chamber 120, the second air inlet chamber 130 and the third air inlet chamber 140, the air inlet steel pipe 310 is sequentially communicated with an air inlet space, the first air inlet chamber 120, the second air inlet chamber 130 and the third air inlet chamber 140 and an air outlet space, the anti-falling suction head 330 is connected with the air inlet steel pipe 310 through the air inlet hose 320, the air inlet hose 320 is sleeved on the outer side wall of the air inlet steel pipe 310, then the air bubble stone sleeve 340 is positioned at the end part of the anti-falling suction head 330 and the bubble stone is positioned at the lowest end position of the air inlet chamber.
After the design scheme is adopted, firstly, the recovery liquid absorbing the acid tail gas is injected into the first air inlet chamber 120, the second air inlet chamber 130 and the third air inlet chamber 140 through the liquid inlet 160, so that the recovery liquid occupies two thirds of the first air inlet chamber 120, the second air inlet chamber 130 and the third air inlet chamber 140, the air inlet unit 300 is positioned in the recovery liquid, then the acid tail gas containing sulfur dioxide is injected into the tail gas recovery tank 100 through the tail gas recovery pipeline 200, and then the acid tail gas enters the anti-fall suction head 330 through the air inlet steel pipe 310 of each air inlet chamber and is dispersed in the recovery liquid through the bubble stone, thereby greatly enhancing the contact area of the sulfur dioxide tail gas in the recovery liquid and increasing the production recovery efficiency.
In one embodiment of the present application, as shown in FIGS. 1-4:
in order to realize that the acid tail gas can be introduced into the relevant recovery liquid layer by layer upwards and increase the contact area through the dispersion of the bubble stone, the tail gas recovery pipe 200 is connected to the bottom outer sidewall of the tail gas recovery tank 100, and is connected through a connection flange and a polyethylene gasket, and the booster pump 400 is connected to the end of the tail gas recovery pipe 200.
In one embodiment of the present application, as shown in FIGS. 1-4:
in order to be convenient for replace saturated solution, carry out continuous recovery, liquid exchange port 150 and inlet 160 have all been seted up on the both ends lateral wall of first inlet chamber 120, second inlet chamber 130 and third inlet chamber 140, inlet 160 and the steel pipe welded connection that the bore is 15mm and 25mm respectively, liquid exchange port 150 and inlet 160 department are provided with flush joint 170, flush joint 170 welding is at the steel pipe tip, flush joint 170 all is connected with manual diaphragm valve for control inflow and outflow.
In addition, in order to prevent the recovery liquid from leaking at the flat joint 170, the joints of the flat joint 170 are each provided with a leak-proof rubber ring.
In one embodiment of the present application, as shown in FIGS. 1-4:
in order to prevent the recovery liquid from entering the air inlet hose 320 and corroding the air inlet hose 320, so that the acid tail gas can only flow unidirectionally, the anti-fall suction head 330 comprises a round short pipe 331, a round plug cover 332, a guide rod 333 and a limit sleeve 334;
the lower end of circular nozzle stub 331 is connected in the tip of air inlet hose 320, carry out the banding through the steel wire between circular nozzle stub 331 and the air inlet hose 320 and fix, in order to make circular nozzle stub 331 tip open and shut the back can vertically fall on circular nozzle stub 331 tip, and can not incline and lead to the recovery liquid inflow, stop collar 334 is located on the inside wall of circular nozzle stub 331, fix through the welding between wall and the wall between stop collar 334 and the circular nozzle stub 331, circular cock 332 is located the upper end of circular nozzle stub 331, the diameter of circular cock 332 is greater than the internal diameter of circular nozzle stub 331 and is less than the external diameter, guide bar 333 slip sets up in stop collar 334, and guide bar 333 is connected on circular cock 332, through heat seal fusion link together between guide bar 333 and the circular cock 332.
In one embodiment of the present application, as shown in FIGS. 1-4:
in order to enable the circular plug cover 332 to be separated from the circular short pipe 331 without affecting the installation of the bubble stone sleeve 340, the shape of the circular plug cover 332 is matched with the inner side wall of the circular short pipe 331, and the diameter of the circular plug cover 332 is smaller than the inner diameter of the bubble stone sleeve 340.
In one embodiment of the present application, as shown in FIGS. 1-4:
in order to make the bubble stone cover 340 convenient to detach, overhaul the inside anti-fall suction head 330, be provided with the clamp that is used for fixing on the anti-fall suction head 330 lateral wall on the lower extreme lateral wall of bubble stone cover 340.
While the foregoing is directed to the preferred embodiments of the present utility model, it will be appreciated by those skilled in the art that various modifications and adaptations can be made without departing from the principles of the present utility model, and such modifications and adaptations are intended to be comprehended within the scope of the present utility model.
Claims (7)
1. The acid tail gas recovery device comprises a tail gas recovery tank (100) and a tail gas recovery pipeline (200), and is characterized by further comprising three recovery chambers, three groups of air inlet units (300) and a booster pump (400);
the three recovery chambers are composed of four steel plates (110) obliquely arranged on the inner side wall of the tail gas recovery pipe, and the three recovery chambers are a first air inlet chamber (120), a second air inlet chamber (130) and a third air inlet chamber (140) from bottom to top respectively;
the air inlet unit (300) comprises an air inlet steel pipe (310), an air inlet hose (320), an anti-tilting suction head (330) and a bubble stone sleeve (340), wherein the air inlet steel pipe (310) is positioned on the lower side wall of the top end of the first air inlet chamber (120), the second air inlet chamber (130) and the third air inlet chamber (140), the anti-tilting suction head (330) is connected with the air inlet steel pipe (310) through the air inlet hose (320), and the bubble stone sleeve (340) is positioned at the end part of the anti-tilting suction head (330).
2. The acid tail gas recovery device according to claim 1, wherein: the tail gas recovery pipeline (200) is connected to the outer side wall of the bottom of the tail gas recovery tank (100), and the booster pump (400) is connected to the end part of the tail gas recovery pipeline (200).
3. The acid tail gas recovery device according to claim 1, wherein: liquid exchange ports (150) and liquid inlet ports (160) are formed in the side walls of the two end parts of the first air inlet chamber (120), the second air inlet chamber (130) and the third air inlet chamber (140), flat joints (170) are arranged at the liquid exchange ports (150) and the liquid inlet ports (160), and the flat joints (170) are connected with manual diaphragm valves.
4. An acid tail gas recovery apparatus as claimed in claim 3, wherein: the joints of the flat joints (170) are provided with anti-leakage rubber rings.
5. The acid tail gas recovery device according to claim 1, wherein: the anti-falling suction head (330) comprises a round short pipe (331), a round plug cover (332), a guide rod (333) and a limit sleeve (334);
the lower end of the round short tube (331) is connected to the end of the air inlet hose (320), the limiting sleeve (334) is located on the inner side wall of the round short tube (331), the round plug cover (332) is located at the upper end of the round short tube (331), the guide rod (333) is slidably arranged in the limiting sleeve (334), and the guide rod (333) is connected to the round plug cover (332).
6. The acid tail gas recovery apparatus according to claim 5, wherein: the shape of the circular plug cover (332) is matched with the inner side wall of the circular short pipe (331), and the diameter of the circular plug cover (332) is smaller than the inner diameter of the bubble stone sleeve (340).
7. The acid tail gas recovery device according to claim 1, wherein: the lower end outer side wall of the bubble stone sleeve (340) is provided with a clamp which is used for being fixed on the outer side wall of the anti-falling suction head (330).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320706158.5U CN219355799U (en) | 2023-04-03 | 2023-04-03 | Acid tail gas recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320706158.5U CN219355799U (en) | 2023-04-03 | 2023-04-03 | Acid tail gas recovery device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219355799U true CN219355799U (en) | 2023-07-18 |
Family
ID=87141706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320706158.5U Active CN219355799U (en) | 2023-04-03 | 2023-04-03 | Acid tail gas recovery device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219355799U (en) |
-
2023
- 2023-04-03 CN CN202320706158.5U patent/CN219355799U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN219355799U (en) | Acid tail gas recovery device | |
| CN211694842U (en) | Deoxidization water tank | |
| CN210765194U (en) | Biomass pyrolysis gas cooling and purifying device | |
| CN216986992U (en) | Ammonia absorption device and ammonia absorption system for ammonia water storage tank | |
| CN110426277A (en) | A kind of coiled pipe heat exchange module water pressure test high pressure sealing docking facilities | |
| CN210656832U (en) | Floating ball type methane intake filtering device | |
| CN210560298U (en) | Combined coal bed gas purification system | |
| CN209623426U (en) | A kind of heating furnace waste heat recovery plant | |
| CN212091664U (en) | Malodorous gas treatment device | |
| CN209989339U (en) | Biogas biological desulfurization equipment with improved structural design | |
| CN207187513U (en) | Desulfurization regeneration device | |
| CN113202545A (en) | Tunnel gas and air purification system | |
| CN201826347U (en) | Direct-type negative pressure-free current-stabilizing water supply device | |
| CN205774374U (en) | A kind of single column formula washing Methane decarbonization tower | |
| CN207186904U (en) | A kind of ICU patients with severe symptoms are with oxygen humidification device | |
| CN207024937U (en) | A kind of convenient maintenance type purifying column | |
| CN216378086U (en) | Biogas digester | |
| CN217961966U (en) | Reation kettle waste gas absorbing device | |
| CN208590435U (en) | A kind of pond for cultivation apparatus of oxygen supply | |
| CN205892791U (en) | High -efficiency air flotation dissolves gas device | |
| CN2886258Y (en) | Breather valve for solar water heater | |
| CN214735592U (en) | Gas-liquid separation device for biogas pretreatment equipment | |
| CN219756029U (en) | Treatment recovery device for ammonia water storage tank leakage peculiar smell | |
| CN213610149U (en) | Drainage structure of filter | |
| CN217042484U (en) | Acid adding device for chemical production acid adjusting kettle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |