CN218795004U - Device for removing harmful gas in sewage - Google Patents
Device for removing harmful gas in sewage Download PDFInfo
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- CN218795004U CN218795004U CN202222642754.XU CN202222642754U CN218795004U CN 218795004 U CN218795004 U CN 218795004U CN 202222642754 U CN202222642754 U CN 202222642754U CN 218795004 U CN218795004 U CN 218795004U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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Abstract
The utility model provides a get rid of harmful gas's in sewage device, this get rid of harmful gas's in sewage device includes: the deodorization device comprises a deodorization fan, a deodorization tank, an air inlet pipe and an exhaust pipe; the deodorization fan is arranged behind the sewage tank and used for pumping harmful gas in the sewage tank into the deodorization tank through the air inlet pipe for sewage treatment; the bottom of the deodorization tank is a medicament storage area, and the middle part of the deodorization tank is provided with a gas purification filler; an inlet of an air inlet pipe in the deodorization tank is arranged below the liquid level of the medicament in the medicament storage area; the exhaust pipe is arranged above the pall ring and used for discharging the treated gas outwards. The deodorization process has the advantages of small occupied area, low operation and investment cost, regeneration and cyclic utilization, and no other deodorization processes.
Description
Technical Field
The utility model relates to a novel harmful gas gets rid of device, at deodorant technical field of sewage, more specifically says, relates to a get rid of harmful gas's in sewage device.
Background
In the sewage treatment process, most polluted water bodies can emit unpleasant odor, and the environment is seriously affected. The odor of the polluted water mainly comes from the odor generated when organic matters in the sewage are rotten and fermented, and the common factors causing the odor can be divided into the following points:
(1) Odor generated by the propagation and decay of aquatic organisms, plants or microorganisms in the sewage treatment; (2) Odor emitted by the putrefaction and dispersion of organic substances in sewage treatment; (3) Dissolved gases such as SO in sewage treatment 2 、H 2 S and NH 3 The odor of (2); (4) dissolving the odor of salts or soil; and (5) adding chlorine and other odors in the disinfection process.
The above 5 points are main factors causing the polluted water body to generate the foul smell, and the special conditions that other pollutants invade to generate the foul smell and the like are not excluded. The treatment can be generally carried out by the following methods:
adsorption deodorization: the odor substance is converted from gaseous state to solid state by the adsorption function of the adsorbent. It is suitable for treating low-concentration malodorous gas with high purification requirement.
Biological filter type deodorization: after the foul gas is pretreated by removing dust, humidifying or cooling, the foul gas passes through the filter bed composed of filter material from bottom to top, and the foul gas is transferred from gas phase to water-microbe mixed phase and decomposed by microbe metabolism fixed on the filter material.
The thermodynamic method comprises the following steps: the thermodynamic method is a combustion method, and the most basic condition is that the gases can react with oxygen to collect the released odor, oxygen is introduced for combustion, some harmful gases can be generated in the complete combustion or incomplete combustion process, and other pollution can be generated after the gases are discharged.
A dilution and diffusion method: the principle is that malodorous gas is exhausted to the atmosphere through a chimney or diluted by odorless air, and the concentration of malodorous substances is reduced to reduce odor.
The above-mentioned treatments of malodorous gases have several disadvantages:
the adsorption deodorization purification efficiency is very high, multiple combination malodorous gases can be treated, the single adsorbent is expensive and difficult to regenerate, and the malodorous gases to be treated are required to have lower temperature and dust content; the biological filter type deodorization has the advantages of high purification efficiency and capability of treating multi-component malodorous gas; the thermodynamics method, the foul gas can't be totally treated effectively, the apparatus is apt to corrode, consume the fuel, the treatment cost is high, easy to form the secondary pollution; the advantages of the dilution diffusion method are low cost and simple equipment. But the disadvantages are easily limited by weather conditions and malodorous substances still exist.
SUMMERY OF THE UTILITY MODEL
The utility model provides a device for removing harmful gas in sewage, which can effectively solve the problem of odor generated in sewage treatment, and when in use, the system firstly solves the problem of hydrogen sulfide gas by utilizing the way that sodium hydroxide reacts with the hydrogen sulfide gas to generate sodium sulfide and water; and removing ammonia gas in the harmful gas by using a mode that the ammonia gas can generate ammonium salt through the reaction of the ammonia gas and the sulfuric acid solution. The deodorization process has the advantages of small occupied area, low operation and investment cost, regeneration and cyclic utilization, and no other deodorization processes.
An apparatus for removing harmful gas from sewage, comprising: the device comprises a deodorization fan, a deodorization tank, an air inlet pipe and an exhaust pipe; the deodorization fan is arranged behind the sewage tank and used for pumping harmful gas in the sewage tank into the deodorization tank through the air inlet pipe for sewage treatment;
the bottom of the deodorization tank is a medicament storage area, and the middle part of the deodorization tank is provided with a pall ring; the inlet of the air inlet pipe in the deodorization tank is arranged below the liquid level of the medicament in the medicament storage area; the exhaust pipe is arranged above the pall ring and used for discharging the treated gas outside.
Further, the deodorizing tank further includes: the setting is used for the even medicament shower nozzle of spraying on pall ring of medicament on deodorization jar upper portion for with medicament storage area medicament pump delivery to the medicament circulating pump of medicament shower nozzle department, be used for carrying the medicament conveyer pipe of medicament.
Further, the deodorization tank is serially connected with an alkaline deodorization tank and an acidic deodorization tank.
Further, the alkaline deodorization tank is internally provided with a sodium hydroxide solution and a sodium hypochlorite solution to remove acid gas in harmful gas, the acid gas is a highly toxic gas hydrogen sulfide which has higher density than air and can be dissolved in water, the sodium sulfide and the water can be generated after the hydrogen sulfide reacts with the sodium hydroxide solution, and the reaction equation is as follows: 2NaOH + H 2 S＝Na 2 S+2H 2 O, sodium hypochlorite does not participate in chemical reaction in the interior, and only serves as a bactericide to prevent bacteria from breeding.
A sulfuric acid solution is placed in the acidic deodorization tank, alkaline gas in harmful gas is removed, the alkaline gas is ammonia gas, the density of the ammonia gas is smaller than that of air, the ammonia gas can be dissolved in water, and the ammonia gas can react under an acidic condition to generate ammonium salt; after ammonia gas reacts with sulfuric acid, an ammonium sulfate solution is generated, and the reaction equation is as follows: 2NH 3 +H 2 SO 4 ＝(NH 4 ) 2 SO 4 。
Further, alkaline deodorization jar and acid deodorization tank bottom all set up the medicament evacuation pipe, set up the valve on the medicament evacuation pipe, the waste material discharge after the medicament evacuation pipe will react goes, and the valve is opened when getting rid of the waste material, closes when the medicament reaction.
Further, the material of the medicament delivery pipe and the medicament emptying pipe is PVC material.
Further, the volume of the deodorization tank is 1m 3 。
Furthermore, the medicament emptying pipe is connected with the waste collecting tank, waste materials are collected together and are treated in a centralized mode, and pollution to the environment caused by disordered discharge is prevented.
Furthermore, a water level line is arranged below the pall ring, and the function of measuring the water level of the medicament is achieved.
Furthermore, sodium hypochlorite in the alkaline deodorization tank is used as a bactericide to prevent bacteria from multiplying.
The technical effects of the utility model reside in that: the utility model provides a get rid of harmful gas's in sewage device, this device utilizes the mode that sodium hydroxide and hydrogen sulfide gas reaction can produce sodium sulfide and water, ammonia and sulphuric acid reaction can produce ammonium sulfate with hydrogen sulfide gas, solves the hydrogen sulfide gas and the ammonia in the foul gas effectively. The deodorization process has the advantages of small occupied area, low operation and investment cost and no other deodorization processes.
Drawings
FIG. 1 is a schematic view of an apparatus for removing harmful gases from sewage according to the present invention;
in the figure, 1, a deodorizing fan, 2, a deodorizing tank, 3, an air inlet pipe, 4, an air outlet pipe, 5, a medicament circulating pump, 6, a waste collecting tank, 20, a medicament storage area, 21, a pall ring, 22, a water line, 50, a medicament spray head, 51, a medicament conveying pipe, 52, a medicament emptying pipe, 200, an alkaline deodorizing tank, 201, an acidic deodorizing tank, 520, a valve
Detailed Description
The following describes an embodiment of the present invention with reference to fig. 1.
Referring to fig. 1, an apparatus for removing harmful gas from sewage includes: the deodorization device comprises a deodorization fan 1, a deodorization tank 2, an air inlet pipe 3 and an exhaust pipe 4; the deodorization fan 1 is arranged behind the sewage tank and used for pumping harmful gas in the sewage tank into the deodorization tank 2 through the air inlet pipe 3 for sewage treatment;
the bottom of the deodorization tank 2 is a medicament storage area 20, and the middle part of the deodorization tank is provided with a pall ring 21; the inlet of the air inlet pipe 3 in the deodorization tank 2 is arranged below the liquid level of the medicament in the medicament storage area 20; the exhaust pipe 4 is arranged above the pall ring 21 and used for discharging the treated gas outside; a water level line 22 is arranged below the pall ring 21 and plays a role in measuring the water level of the medicament.
The deodorizing tank further includes: a medicament nozzle 50 arranged on the upper part of the deodorization tank for uniformly spraying the medicament on the pall ring 21, a medicament circulating pump 5 for pumping the medicament in the medicament storage area 20 to the medicament nozzle 50, and a medicament delivery pipe 51 for delivering the medicament.
Deodorizing tank 2 establishes ties and sets up to alkaline deodorizing tank 200 and acid deodorizing tank 201, places sodium hydroxide solution and sodium hypochlorite solution in the alkaline deodorizing tank 200, gets rid of the acid gas among the harmful gas, and its acid gas is a highly toxic gas hydrogen sulfide, and its density is greater than the air, can dissolve in water, and after hydrogen sulfide and sodium hydroxide solution reaction, can generate and sulfurize sodium and water, the reaction equation is: 2NaOH + H 2 S＝Na 2 S+ 2H 2 O, sodium hypochlorite does not participate in chemical reaction in the interior, and only serves as a bactericide to prevent bacteria from multiplying;
sulfuric acid solution is placed in the acidic deodorization tank 201, alkaline gas in harmful gas is removed, the alkaline gas is ammonia gas, the density of the ammonia gas is smaller than that of air, the ammonia gas can be dissolved in water and can react to generate ammonium salt under an acidic condition, after the ammonia gas reacts with sulfuric acid, ammonium sulfate solution can be generated, and the reaction equation is as follows: 2NH 3 +H 2 SO 4
＝(NH 4 ) 2 SO 4 。
The bottoms of the alkaline deodorization tank 200 and the acidic deodorization tank 201 are respectively provided with a medicament emptying pipe 52, the medicament emptying pipe 52 is provided with a valve 520, the medicament emptying pipe 52 discharges waste materials after the reaction is finished, and the valve 520 is opened when the waste materials are discharged and is closed when the medicament is reacted.
The medicament delivery pipe 41 and the medicament emptying pipe 42 are made of PVC materials; the volume of the deodorization tank 2 is 1m 3 (ii) a The medicament emptying pipe 42 is connected with the waste collecting tank 6, and waste materials are collected together for centralized treatment, so that the pollution to the environment caused by the disordered discharge is prevented; the sodium hypochlorite in the alkaline deodorization tank 200 is used as a bactericide to prevent bacteria from breeding.
The working principle is as follows: in actual use, the reaction solvent is added into the two deodorizing tanks, and the sodium hydroxide solution are added into the alkaline deodorizing tank 200Sodium hypochlorite solution, and sulfuric acid solution is added into the acidic deodorization tank 201. When the field equipment runs and encounters malodorous gas, the harmful gas in the raw water tank is pumped into the alkaline deodorization tank 200 by the deodorization fan 1, and the medicament circulating pump 5 of the alkaline deodorization tank 200 starts to carry out circulating spraying to remove acid gas in the harmful gas; after the alkaline deodorization tank 200 finishes the reaction of the acid gas, the harmful gas enters the acidic deodorization tank 201, and the chemical adding circulating pump 5 of the acidic deodorization tank 201 also starts spraying to remove the alkaline gas in the harmful gas. Because the harmful gas in the raw water tank contains hydrogen sulfide gas and ammonia gas, the hydrogen sulfide is a highly toxic gas, the density of the gas is higher than that of air, the gas can be dissolved in water, and after the hydrogen sulfide reacts with the sodium hydroxide solution, sodium sulfide and water can be generated. Ammonia gas is also a harmful gas, is less dense than air, is soluble in water, and can react to form ammonium salts under acidic conditions. After the ammonia gas reacts with the sulfuric acid, an ammonium sulfate solution is generated. The reaction equations are respectively: 2NaOH solution H 2 S＝Na 2 S+2H 2 O、2NH 3 +H 2 SO 4 ＝(NH 4 ) 2 SO 4 After the reaction of the above substances is completed, harmful gas in the raw water is removed, and then harmless gas is discharged to the outside through the gas discharge pipe 4. At this time, the chemicals in the two deodorizing tanks have been reacted, and the remaining chemicals are all substances that have been reacted, and finally discharged to the waste collecting tank 6 through the chemical emptying pipe 52.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications or substitutions do not depart from the scope of the embodiments of the present invention.
Claims (9)
1. A device for removing harmful gases in sewage, which is characterized in that,
the method comprises the following steps: the deodorization device comprises a deodorization fan (1), a deodorization tank (2), an air inlet pipe (3) and an exhaust pipe (4);
the deodorization fan (1) is arranged behind the sewage tank and is used for pumping harmful gas in the sewage tank into the deodorization tank (2) through the gas inlet pipe (3) for sewage treatment;
the bottom of the deodorization tank (2) is a medicament storage area (20), and the middle part of the deodorization tank (2) is provided with a pall ring (21);
the inlet of the air inlet pipe (3) in the deodorization tank (2) is arranged below the liquid level of the medicament in the medicament storage area (20);
the exhaust pipe (4) is arranged above the pall ring (21) and used for discharging the treated gas outside.
2. The apparatus for removing harmful gases from sewage according to claim 1, wherein said deodorizing tank further comprises: a medicament spray head (50) which is arranged at the upper part of the deodorization tank and is used for uniformly spraying medicaments on the pall ring (21), a medicament circulating pump (5) which is used for pumping the medicaments in the medicament storage area (20) to the medicament spray head (50), and a medicament conveying pipe (51) which is used for conveying the medicaments.
3. The apparatus for removing harmful gases from sewage according to claim 1 or 2, wherein said deodorizing tank (2) is provided in series with an alkaline deodorizing tank (200) and an acidic deodorizing tank (201).
4. The apparatus for removing harmful gases from sewage according to claim 3, wherein the chemical storage area of said alkaline deodorization tank (200) is filled with sodium hydroxide solution and sodium hypochlorite solution, and the chemical storage area of said acidic deodorization tank (201) is filled with sulfuric acid solution.
5. The apparatus for removing harmful gases from sewage according to claim 4, wherein the chemical emptying pipe (52) is provided at the bottom of each of the alkaline deodorization tank (200) and the acidic deodorization tank (201), and a valve (520) is provided on the chemical emptying pipe (52).
6. The apparatus for removing harmful gases from sewage according to claim 2, wherein the material of said chemical delivery pipe (51) and said chemical emptying pipe (52) is PVC material.
7. The apparatus for removing harmful gases from sewage according to claim 1, wherein the volume of said deodorizing tank (2) is 1m 3 。
8. An apparatus for removing harmful gases from polluted water according to claim 5, wherein the chemical emptying pipe (52) is connected to a waste collection tank (6).
9. The apparatus for removing harmful gases from sewage according to claim 1, wherein a water line (22) is provided below said pall ring (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222642754.XU CN218795004U (en) | 2022-10-09 | 2022-10-09 | Device for removing harmful gas in sewage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222642754.XU CN218795004U (en) | 2022-10-09 | 2022-10-09 | Device for removing harmful gas in sewage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218795004U true CN218795004U (en) | 2023-04-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222642754.XU Active CN218795004U (en) | 2022-10-09 | 2022-10-09 | Device for removing harmful gas in sewage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218795004U (en) |
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2022
- 2022-10-09 CN CN202222642754.XU patent/CN218795004U/en active Active
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