CN216946418U - Reaction device - Google Patents
Reaction device Download PDFInfo
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- CN216946418U CN216946418U CN202220830379.9U CN202220830379U CN216946418U CN 216946418 U CN216946418 U CN 216946418U CN 202220830379 U CN202220830379 U CN 202220830379U CN 216946418 U CN216946418 U CN 216946418U
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Abstract
The utility model discloses a reaction device for treating sulfate in sewage, which comprises a hydrolysis tank for treating the sewage and a sewage circulating pump, wherein a water distributor is arranged at the lower part of the hydrolysis tank, the top of the water distributor is connected with a sewage input pipe, the middle part of the water distributor is connected with an outlet of the sewage circulating pump by a circulating water outlet pipe, and an inlet of the sewage circulating pump is connected with the upper part of the hydrolysis tank by a circulating water inlet pipe. The reaction device is provided with a sewage circulating pump which pumps sewage from the upper part of the hydrolysis tank and conveys the sewage to the lower part of the hydrolysis tank. On one hand, the sewage circulation can play a role of stirring, so that the partially decomposed sewage is mixed with the sewage newly entering the hydrolysis tank, the contact of sulfate radicals with strains in the hydrolysis tank is increased, and the decomposition speed is increased; on the other hand, the sewage circulation can increase the retention time and further promote the decomposition of sulfate radicals.
Description
Technical Field
The utility model relates to the technical field of sewage treatment, in particular to a reaction device.
Background
In the industry of producing acid oil from soapstock, a large amount of sulfuric acid is added in the production process, so that the produced sewage often contains pollutant sulfate. The sulfate radicals need to be removed by converting the sulfate radicals into hydrogen sulfide gas through sulfate reducing bacteria in an anaerobic manner and then discharging the hydrogen sulfide gas out of the water body. Sulfate reducing bacteria can reduce sulfate radicals under specific anaerobic conditions to generate hydrogen sulfide. The prior art has slower treatment speed of sulfate.
Therefore, how to increase the treatment speed of sulfate in sewage is a technical problem that needs to be solved urgently by the technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a reaction device which is provided with a sewage circulating pump to drive sewage in a hydrolysis tank to circularly flow, so that the contact between sulfate radicals and strains is increased, and the treatment speed of the sulfate is increased.
In order to achieve the purpose, the utility model provides a reaction device for treating sulfate in sewage, which comprises a hydrolysis tank for treating the sewage and a sewage circulating pump, wherein a water distributor is arranged at the lower part of the hydrolysis tank, the top of the water distributor is connected with a sewage input pipe, a circulating water outlet pipe connects the middle part of the water distributor with the outlet of the sewage circulating pump, and a circulating water inlet pipe connects the inlet of the sewage circulating pump with the upper part of the hydrolysis tank.
Preferably, the lower part of the hydrolysis tank is provided with a detection mechanism for detecting sulfate radicals.
Preferably, the sewage output pipe of the hydrolysis tank is higher than the circulating water inlet pipe.
Preferably, the sewage treatment device further comprises a controller, and the detection mechanism and the sewage circulating pump are both connected with the controller.
Preferably, still include the tail gas absorption tank for absorbing hydrogen sulfide, the tail gas absorption tank pass through the blast pipe with the top of hydrolysis tank links to each other, hydrolysis tank with be equipped with conveying mechanism between the tail gas absorption tank.
Preferably, the tail gas absorption device further comprises an absorption circulating pump, an inlet of the absorption circulating pump is connected with the lower part of the tail gas absorption tank through an absorption water inlet pipe, and an outlet of the absorption circulating pump is connected with the top of the tail gas absorption tank through an absorption water outlet pipe.
Preferably, the conveying mechanism is an ejector, the ejector is arranged at the rear part of the exhaust pipe, and the tail end of the absorption water outlet pipe is connected with the ejector.
Preferably, the top of the hydrolysis tank is provided with an air inlet, and the height of the air inlet is lower than the inlet of the exhaust pipe.
The reaction device provided by the utility model is used for treating sulfate in sewage and comprises a hydrolysis tank for treating sewage and a sewage circulating pump, wherein a water distributor is arranged at the lower part of the hydrolysis tank, the top of the water distributor is connected with a sewage input pipe, the middle part of the water distributor is connected with an outlet of the sewage circulating pump by a circulating water outlet pipe, and an inlet of the sewage circulating pump is connected with the upper part of the hydrolysis tank by a circulating water inlet pipe.
The reaction device is provided with a sewage circulating pump which pumps sewage from the upper part of the hydrolysis tank and conveys the sewage to the lower part of the hydrolysis tank. On one hand, the sewage circulation can play a role of stirring, so that the partially decomposed sewage is mixed with the sewage newly entering the hydrolysis tank, the contact between sulfate radicals and strains in the hydrolysis tank is increased, and the decomposition speed is increased; on the other hand, the sewage circulation can increase the retention time and further promote the decomposition of sulfate radicals.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings 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 embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a reaction apparatus provided in the present invention.
Wherein the reference numerals in fig. 1 are:
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
In order that those skilled in the art will better understand the disclosure, the utility model will be described in further detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a reaction apparatus provided in the present invention.
The reaction device provided by the utility model is used for treating sulfate in sewage. As shown in figure 1, the reaction device comprises a hydrolysis tank 1, a water distributor 2 and a sewage circulating pump 4. The hydrolysis tank 1 is filled with sludge containing sulfate reducing bacteria, the water distributor 2 is positioned at the lower part of the hydrolysis tank 1, the sewage input pipe 7 is connected with the top of the water distributor 2, and sewage flows downwards to contact with the sludge after entering the water distributor 2. The strain in the sludge decomposes sulfate radicals in the sewage. The inlet of the sewage circulating pump 4 is connected with the upper part of the hydrolysis tank 1 by the circulating water inlet pipe 5, one end of the circulating water outlet pipe 6 is connected with the middle part of the water distributor 2, and the other end is connected with the outlet of the sewage circulating pump 4.
Alternatively, the water distributor 2 may be a triangular cone structure, and the cross-sectional area thereof gradually increases from top to bottom. The sewage inlet pipe 7 is connected to the top of the water distributor 2, and the flow velocity thereof is gradually decreased as the sewage flows downward. The circulating water outlet pipe 6 is connected with the middle part of the water distributor 2, and the partially decomposed sewage is mixed with the sewage which newly enters the hydrolysis tank 1, so that the function of the mixing tank can replace stirring, and the operation cost of equipment is saved.
Optionally, the lower part of the hydrolysis tank 1 is provided with a detection mechanism for detecting sulfate radicals. The reaction device also comprises a controller, the detection mechanism is connected with the controller, and a user can control the input of the sewage according to the sulfate radical concentration of the sewage in the hydrolysis tank 1. The sewage which does not reach the standard is repeatedly circulated in the hydrolysis tank 1, so that the sewage treatment effect is ensured. The detection mechanism can be specifically sulfate radical analyzer 3, and sulfate radical analyzer 3 can determine the content of sulfate radical in the sewage, and of course, the user also can adopt other detection equipment as required as detection mechanism, and does not limit here.
Optionally, the sewage output pipe 9 and the circulating water inlet pipe 5 of the hydrolysis tank 1 are positioned on two opposite sides, and the height of the sewage output pipe 9 is higher than that of the circulating water inlet pipe 5. The sulfate radical concentration of the sewage is obviously reduced after the sewage is circulated for many times, and then the sewage flows out of the hydrolysis tank 1 from the sewage output pipe 9, so that the quality of the output sewage is ensured.
The sewage circulating pump 4 is also connected with the controller, and the controller can control the circulating time length and the circulating flow of the sewage circulating pump 4 according to needs.
In one embodiment of the present application, the wastewater is at 0.5m3The flow rate/h enters the hydrolysis tank 1. And after the sewage reaches a preset liquid level, controlling the sulfate radical analyzer 3 and the sewage circulating pump 4 to start. The operator sets the retention time to be 12h through the controller, and the index of the sulfate radical of the inlet water is 1200 mg/L. The controller is connected with a water inlet flow valve in the sewage input pipe 7, controls the water inlet speed of the sewage on line according to the detection result of the sulfate radical analyzer 3, and stops water inlet when the sulfate radical concentration in the tank exceeds 1200 mg/L.
After 12h, the sulfate index is detected at the position of the sewage output pipe 9, the sulfuric acid index is 32mg/L through the effluent detection, and the sulfate radical removal rate reaches 97%.
In another embodiment of the present application, the wastewater is treated at 1m3The flow rate/h enters the hydrolysis tank 1. And after the sewage reaches a preset liquid level, controlling the sulfate radical analyzer 3 and the sewage circulating pump 4 to start. The operator sets the retention time to be 24h through the controller, and the index of the sulfate radical of the inlet water is 5056 mg/L. The controller is connected with a water inlet flow valve in the sewage input pipe 7, controls the water inlet speed of the sewage on line according to the detection result of the sulfate radical analyzer 3, and stops water inlet when the sulfate radical concentration in the tank exceeds 5000 mg/L.
And detecting the sulfate index at a water outlet after 24 hours, wherein the sulfuric acid index is 87mg/L through water outlet detection. The removal rate of sulfate radicals reaches 98.2 percent.
It should be noted that, the user may set parameters such as sewage flow, residence time, sulfate concentration threshold, etc. in the treatment process as required, and the setting is not limited herein.
In this embodiment, reaction unit has set up sewage circulating system, and sewage circulating system can carry the sewage of low sulfate radical concentration to the water-locator 2 in and carry out retreatment, improves the treatment degree of depth, and then improves the sulfate radical clearance. In both embodiments, the removal rate can be more than 95%.
Optionally, the reaction device further comprises a tail gas absorption tank 10, and alkali liquor with the concentration of 5% can be filled in the tail gas absorption tank 10. The top of the hydrolysis tank 1 is connected with an exhaust pipe 15, and the other end of the exhaust pipe 15 extends into the alkali liquor of the tail gas absorption tank 10. Hydrogen sulfide gas generated in the sulfate radical hydrolysis process enters the tail gas absorption tank 10 along the exhaust pipe 15 and is absorbed by alkali liquor. In addition, the exhaust pipe 15 is provided with a conveying mechanism, and the conveying mechanism can provide power for the exhaust gas to smoothly enter the exhaust gas absorption tank 10.
Optionally, the reaction apparatus further comprises an absorption circulation pump 11. As shown in fig. 1, an inlet of the absorption circulation pump 11 is connected to a lower portion of the tail gas absorption tank 10 through an absorption water inlet pipe 13, and an outlet of the absorption circulation pump 11 is connected to a top portion of the tail gas absorption tank 10 through an absorption water outlet pipe 14. The absorption circulating pump 11 drives the alkali liquor to circularly flow, so that the alkali liquor in the tail gas absorption tank 10 is mixed, and the absorption effect of the hydrogen sulfide is ensured.
Optionally, the delivery mechanism is an ejector 12. As shown in fig. 1, the ejector 12 is provided at the rear of the exhaust pipe 15, and the end of the absorption water outlet pipe 14 is connected to the ejector 12. The alkali liquor can generate micro negative pressure in the flowing process in the jet device 12, the tail gas in the hydrolysis tank 1 flows into the jet device 12 under the pushing of the micro negative pressure, and enters the tail gas absorption tank 10 after being mixed with the alkali liquor in the jet device 12, and finally, all hydrogen sulfide gas is absorbed by the alkali liquor.
Optionally, in order to maintain the hydrolysis tank 1 at a slight negative pressure, the top of the hydrolysis tank 1 is provided with an air inlet 8. The height of the intake port 8 is lower than the inlet of the exhaust pipe 15. After tail gas is flowed by blast pipe 15, jar 1 production of hydrolysising is little negative pressure, and the air gets into jar 1 of hydrolysising by air inlet 8, makes the negative pressure reduce, prevents to hydrolysise jar 1 interior negative pressure too high and causes the damage to equipment.
In this embodiment, reaction unit has set up tail gas absorption tank 10, absorbs the hydrogen sulfide that the reaction produced through tail gas absorption tank 10, has avoided poisonous and harmful gas to leak and has caused the pollution to the environment.
It should be noted that in this specification, relational terms such as first and second, and the like are used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities.
The reaction apparatus provided by the present invention is described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (8)
1. The utility model provides a reaction unit for handle the sulphate in the sewage, its characterized in that, including hydrolysis tank (1) and sewage circulating pump (4) that are used for handling sewage, the lower part of hydrolysis tank (1) is equipped with water-locator (2), the top of water-locator (2) links to each other with sewage input tube (7), and circulating water outlet pipe (6) will the middle part of water-locator (2) with the export of sewage circulating pump (4) links to each other, and circulating water inlet pipe (5) will the entry of sewage circulating pump (4) with the upper portion of hydrolysis tank (1) links to each other.
2. The reactor according to claim 1, characterized in that the lower part of the hydrolysis tank (1) is provided with a detection mechanism for detecting sulfate.
3. A reactor device according to claim 2, characterized in that the effluent outlet conduit (9) of the hydrolysis tank (1) is higher than the circulation inlet conduit (5).
4. A reactor device according to claim 3, further comprising a controller, wherein the detection means and the sewage circulation pump (4) are connected to the controller.
5. The reaction device according to any one of claims 1 to 4, further comprising a tail gas absorption tank (10) for absorbing hydrogen sulfide, wherein the tail gas absorption tank (10) is connected with the top of the hydrolysis tank (1) through an exhaust pipe (15), and a conveying mechanism is arranged between the hydrolysis tank (1) and the tail gas absorption tank (10).
6. The reaction device according to claim 5, further comprising an absorption circulation pump (11), wherein an inlet of the absorption circulation pump (11) is connected with the lower part of the tail gas absorption tank (10) through an absorption water inlet pipe (13), and an outlet of the absorption circulation pump (11) is connected with the top part of the tail gas absorption tank (10) through an absorption water outlet pipe (14).
7. The reactor according to claim 6, characterized in that the conveying mechanism is an ejector (12), the ejector (12) is arranged at the rear part of the exhaust pipe (15), and the tail end of the absorbing water outlet pipe (14) is connected with the ejector (12).
8. The reaction device according to claim 7, characterized in that the top of the hydrolysis tank (1) is provided with an air inlet (8), and the height of the air inlet (8) is lower than the inlet of the exhaust pipe (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220830379.9U CN216946418U (en) | 2022-04-11 | 2022-04-11 | Reaction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220830379.9U CN216946418U (en) | 2022-04-11 | 2022-04-11 | Reaction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216946418U true CN216946418U (en) | 2022-07-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220830379.9U Active CN216946418U (en) | 2022-04-11 | 2022-04-11 | Reaction device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216946418U (en) |
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2022
- 2022-04-11 CN CN202220830379.9U patent/CN216946418U/en active Active
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