CN212315876U - Sludge sterilization treatment device - Google Patents
Sludge sterilization treatment device Download PDFInfo
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- CN212315876U CN212315876U CN202021947852.9U CN202021947852U CN212315876U CN 212315876 U CN212315876 U CN 212315876U CN 202021947852 U CN202021947852 U CN 202021947852U CN 212315876 U CN212315876 U CN 212315876U
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Abstract
The utility model discloses a sludge sterilization treatment device, which comprises a sterilization tank, an alkali washing tank and a sludge neutralization tank, wherein the sterilization tank is connected with the alkali washing tank and the sludge neutralization tank, the alkali washing tank is connected with the sludge neutralization tank, the sterilization tank is provided with a pH monitor, the pH monitor is electrically connected with a pH adjusting device, the sludge sterilization treatment device also comprises a medicine feeding tank, the medicine feeding tank is connected with the sterilization tank through a medicine feeding pump, the pH adjusting device is electrically connected with the medicine feeding pump, the alkali washing tank is provided with an alkali washing spraying device, the utility model has the advantages that the sterilization tank is arranged, pathogenic microorganisms and bacteria in the sludge are killed in the sterilization stage, the quality of subsequent environmental treatment is improved, the pollution to the environment and the risk of disease propagation are reduced, the running cost is reduced for the subsequent sludge treatment, and the pH monitor is matched with the pH adjusting device, the pH range can be adjusted according to the requirement during sterilization, thereby achieving different sterilization effects.
Description
Technical Field
The utility model belongs to the technical field of the sludge sterilization technique and specifically relates to a sludge sterilization processing apparatus is related to.
Background
In the prior art, sludge in urban sewage treatment plants is a byproduct of sewage treatment and mainly comes from process links such as a primary sedimentation tank, a secondary sedimentation tank and the like. Because an effective sterilization process unit is not added in a sewage treatment plant, and the sludge contains more pathogenic microorganisms and parasitic ova, the sludge can be contacted with a human body through various links in the treatment and disposal process of the sludge, so that certain disease propagation risk exists; at present, sludge treatment in China mainly comprises three processes of composting, drying and incineration, wall breaking pretreatment and anaerobic digestion. The composting process occupies a large amount of land, and bacteria and pathogens can cause secondary pollution to soil and environment; the running cost in the drying incineration process is high and exceeds the bearing capacity of most sludge plants.
The application numbers are: 201720398792.1 discloses a device for the concentrated harmless treatment of breeding feces, which comprises the feces treatment, the organic fertilizer production, the livestock treatment of disease death, four large plates of the intelligent control system, they are interconnected, the functions are complementary, the methane can provide energy to conveniently realize high-temperature sterilization, the temperature is also needed for the organic fertilizer fermentation, simultaneously, the organic fertilizer zymogen agent is helpful for the later-stage fermentation treatment of the livestock disease death to prepare fertilizer, the intelligent control is the central nerve of the system, the high-efficiency treatment of the system, and the effect of improving the treatment efficiency is huge. However, this device cannot be applied to sludge treatment processes and cannot solve the problem of secondary pollution of bacteria and pathogens to soil and environment.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a sludge sterilization processing apparatus.
In order to achieve the above object, the present invention provides a technical solution:
the utility model provides a mud sterilization processing apparatus, is including sterilization jar, alkali wash jar and mud neutralization jar, the sterilization jar with alkali wash jar and mud neutralization jar is all connected, alkali wash jar with mud neutralization jar is connected, be equipped with the pH monitor on the sterilization jar, pH monitor and pH adjusting device electric connection still include the dosing jar, the dosing jar through add the medicine pump with the sterilization jar is connected, pH adjusting device and dosing pump electric connection, be equipped with neutralization pump and pH monitor on the mud neutralization jar, alkali wash the spray set with alkaline on the jar.
The alkaline washing spraying device comprises a liquid passing device, a spraying device, a filtering device and a liquid collecting device, the liquid passing device is located on the side wall of the alkaline washing tank, the spraying device is located on the inner side of the liquid passing device, the filtering device is located in the alkaline washing tank and located below the spraying device, and the liquid collecting device is located on the lower portion of the alkaline washing tank.
The liquid passing device comprises a liquid passing pump and a liquid passing pipe, the liquid passing pump is arranged on the side face of the alkaline washing tank and communicated with the alkaline washing tank, the liquid passing pipe is arranged around the side wall inside the alkaline washing tank and fixedly connected with the alkaline washing tank, and the liquid passing pump is communicated with the liquid passing pipe.
Spray set includes shower head and filter screen, the shower head setting is in logical liquid pipe inner wall and with logical liquid pipe intercommunication, the filter screen sets up shower head one end and with shower head fixed connection.
Filter equipment includes the filter, the filter sets up inside the alkaline washing jar and with the inner wall fixed connection who washes the alkaline jar, the filter is located the shower head below, the filter middle part is equipped with subsides the through-hole, it runs through to subside the through-hole the filter.
The liquid collecting device comprises a liquid collecting box, a return spring and a liquid collecting ball, the liquid collecting box is arranged at the lower end of the alkaline washing tank and fixedly connected with the alkaline washing tank, the liquid collecting box is communicated with the alkaline washing tank, the return spring is arranged at the lower part of the inner side of the liquid collecting box, the lower end of the return spring is fixedly connected with the liquid collecting box, the liquid collecting ball is arranged at the upper end of the return spring and abutted against the return spring, and the upper part of the liquid collecting ball is clamped with the alkaline washing tank.
The upper part of the alkaline washing tank is provided with an air inlet which penetrates through the alkaline washing tank and is communicated with the alkaline washing tank.
The lower part of the alkaline washing tank is provided with a support, and the support is fixedly connected with the alkaline washing tank.
The hydrogen sulfide detector is arranged on the lower portion of the alkaline washing tank and fixedly connected with the alkaline washing tank.
The liquid passing devices, the spraying devices and the filtering devices are all provided with three groups, and the three groups of liquid passing devices, the spraying devices and the filtering devices are arranged in the alkaline washing tank in parallel.
The utility model has the advantages that:
set up the sterilization jar, kill pathogenic microorganism and bacterium in the mud in the sterilization stage, improve follow-up environmental processing's quality, reduce the pollution to the environment and the risk of disease propagation to for follow-up sludge treatment has reduced the running cost, through the cooperation of pH monitor and pH adjusting device, can adjust the scope of pH when disinfecting as required, thereby reach different sterilization effects, and the alkali wash liquid in the alkali wash jar can be retrieved to mud and in the jar.
Drawings
Fig. 1 is a block diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural view of an alkaline cleaning spray device according to an embodiment of the present invention;
fig. 3 is a process flow diagram of the second embodiment of the present invention.
In the figure: 1. sterilizing the tank; 2. an alkaline washing tank; 3. a sludge neutralization tank; 4. a pH monitor; 5. a pH adjusting device; 6. a medicine adding tank; 7. a dosing pump; 8. a neutralization pump; 9. an alkaline washing spray device; 10. a liquid pump is introduced; 11. a liquid pipe is communicated; 12. a shower head; 13. a filter screen; 14. a filter plate; 15. settling the through hole; 16. a liquid collecting box; 17. a return spring; 18. collecting liquid balls; 19. an air inlet; 20. a support; 21. hydrogen sulfide detector.
Detailed Description
The invention will be described in further detail with reference to the accompanying drawings,
the first embodiment is as follows:
the utility model provides a mud sterilization processing apparatus, including sterilization jar, alkali wash jar and mud neutralization jar, the sterilization jar is all connected with alkali wash jar and mud neutralization jar, alkali wash jar is connected with mud neutralization jar, is equipped with the pH monitor on the sterilization jar, pH monitor and pH adjusting device electric connection, still includes the dosing jar, the dosing jar is connected with the sterilization jar through dosing pump, pH adjusting device and dosing pump electric connection are equipped with neutralization pump and pH monitor in the mud and on the jar, alkali wash the last alkali wash spray set that is equipped with of jar, the embodiment of the utility model provides a structural diagram is as shown in FIG. 1.
Alkali wash spray set is including leading to liquid device, spray set, filter equipment and album of liquid device, leads to the liquid device to be located alkali wash tank lateral wall, and spray set is located and leads to the liquid device inboard, and filter equipment is located alkali wash tank inside and is located the spray set below, and album of liquid device is located alkali wash tank lower part, the embodiment of the utility model provides an alkali wash spray set structure schematic is shown in fig. 2.
Lead to the liquid device including logical liquid pump and lead to the liquid pipe, lead to the liquid pump setting in alkaline washing jar side and with alkaline washing jar intercommunication, lead to the liquid pipe around set up on alkaline washing jar inside lateral wall and with alkaline washing jar fixed connection, lead to the liquid pump and lead to the liquid pipe intercommunication, lead to the liquid device through leading to the liquid pump and lead to the cooperation of liquid pipe, can be with calcium oxide solution, perhaps sodium hydroxide solution, perhaps magnesium oxide solution, perhaps magnesium hydroxide solution lets in alkaline washing jar.
Spray set includes shower head and filter screen, the shower head has four, four shower heads evenly encircle to set up at logical liquid intraductal wall and with lead to liquid pipe intercommunication, the filter screen setting in shower head one end and with shower head fixed connection, spray set passes through the calcium oxide solution that the shower head will lead to in the liquid pipe, perhaps sodium hydroxide solution, perhaps magnesium oxide solution, perhaps magnesium hydroxide solution sprays the operation to the hydrogen sulfide gas body that the sterilization tank transmitted, wherein the filter screen can be with leading to the impurity filtration in the liquid pipe.
The filter equipment includes the filter, the filter setting inside alkaline cleaning jar and with the inner wall fixed connection who alkaline cleaning jar, the filter is located the shower head below, the filter middle part is equipped with the settlement through-hole, subsides the through-hole and runs through the filter, the filter will be washed alkaline the jar in sodium sulfide that produces after the reaction and hold back, the setting of subsiding the through-hole is convenient for hydrogen sulfide gas and is subsided.
Wherein the reaction formula of the reaction generated in the alkaline washing tank is as follows: h2S+2NaOH＝Na2S+2H2O。
The liquid collecting device comprises a liquid collecting box, a return spring and a liquid collecting ball, wherein the liquid collecting box is arranged at the lower end of the alkaline washing tank and fixedly connected with the alkaline washing tank, the liquid collecting box is communicated with the alkaline washing tank, the return spring is arranged at the lower part of the inner side of the liquid collecting box, the lower end of the return spring is fixedly connected with the liquid collecting box, the liquid collecting ball is arranged at the upper end of the return spring and is abutted against the return spring, the upper part of the liquid collecting ball is clamped with the alkaline washing tank, the liquid collecting box can collect alkaline washing liquid generated in the alkaline washing tank, the liquid collecting ball is driven to descend after the alkaline washing liquid in the alkaline washing tank is accumulated to a certain amount and flows into the liquid collecting box along a gap between the liquid collecting ball and the alkaline washing tank, the liquid collecting box is communicated with the sludge neutralizing tank, the alkaline washing liquid is recycled into the sludge neutralizing tank, after the alkaline washing liquid in the alkaline washing tank is reduced by a certain amount, the return spring drives the liquid collecting ball to ascend so that the liquid collecting ball is, the phenomenon that the alkali washing liquid cannot play a role due to small amount of alkali washing liquid is prevented, and the resource is utilized to the maximum extent.
The upper part of the alkaline washing tank is provided with an air inlet which penetrates through the alkaline washing tank and is communicated with the alkaline washing tank, the sterilization tank is communicated with the alkaline washing tank through the air inlet, and hydrogen sulfide gas generated in the sterilization tank enters the alkaline washing tank from the air inlet.
The lower part of the alkaline washing tank is provided with a bracket which is fixedly connected with the alkaline washing tank, and the alkaline washing tank is erected on the ground through the bracket.
The device comprises an alkali cleaning tank, a hydrogen sulfide detector and a hydrogen sulfide detection device, wherein the alkali cleaning tank is arranged on the lower portion of the alkali cleaning tank, the hydrogen sulfide detector is fixedly connected with the alkali cleaning tank, and the hydrogen sulfide detector can detect the concentration of residual hydrogen sulfide gas after alkali cleaning in the alkali cleaning tank, so that whether the hydrogen sulfide gas can be subjected to pollution-free treatment in an alkali cleaning operation or not is reflected.
The liquid passing devices, the spraying devices and the filtering devices are all three groups, the three groups of liquid passing devices, the spraying devices and the filtering devices are arranged inside the alkaline washing tank in parallel, and the three groups of liquid passing devices, the spraying devices and the filtering devices perform triple alkaline washing spraying operation on the hydrogen sulfide gas in the alkaline washing tank so as to fully react with the hydrogen sulfide gas.
Example two:
a sludge sterilization treatment process comprises the following steps:
a. and (3) sterilization: the method comprises the following steps that sludge enters a sterilization tank, the pH value in the sterilization tank is monitored through a pH monitor, a medicine adding pump is controlled to be started through a pH adjusting device, a sulfuric acid solution, a hydrochloric acid solution or an acetic acid solution in the medicine adding tank is added into the sterilization tank, and pickling sterilization is carried out on the sludge;
b. alkali washing: hydrogen sulfide gas generated in the acid washing and sterilizing process enters an alkaline washing tank, and an alkaline washing spray device on the alkaline washing tank performs spray alkaline washing on the hydrogen sulfide gas entering the alkaline washing tank by using a calcium oxide solution, a sodium hydroxide solution, a magnesium oxide solution or a magnesium hydroxide solution;
c. neutralizing: and c, feeding the sludge subjected to acid cleaning sterilization into a sludge neutralization tank, adding a calcium oxide solution, or a sodium hydroxide solution, or a magnesium oxide solution, or a magnesium hydroxide solution into the sludge neutralization tank through a neutralization pump to neutralize the sludge, wherein the alkaline solution generated in the step b is fed into the sludge neutralization tank.
In the step a, the pH adjusting device can control the opening and closing of the dosing pump, so that the pH in the sterilization tank is controlled to be kept stable, the water content of the incoming sample sludge is 95%, the pH value in the sterilization tank is controlled to be 3.0 by the pH adjusting device and the dosing pump, the reaction temperature is 25 ℃, the reaction pressure is normal pressure, and the content of escherichia coli in the detected sludge is 0.
And in the step b, carrying out spraying operation by using an alkali washing spraying device at normal temperature and normal pressure.
In the step c, calcium oxide solution, sodium hydroxide solution, magnesium oxide solution or magnesium hydroxide solution is utilized for neutralization and then subsequent resource treatment is carried out.
The second process flow diagram of the embodiment of the present invention is shown in fig. 3.
The beneficial effects of the utility model are that set up the sterilization jar, kill pathogenic microorganism and bacterium in the mud in the sterilization stage, improve the quality of follow-up environmental processing, reduce the pollution and the risk that the disease propagates to the environment, and for follow-up sludge treatment reduced the running cost, through the cooperation of pH monitor and pH adjusting device, can adjust the scope of pH when disinfecting as required, thereby reach different sterilization effects, and the alkali wash liquid in the alkali wash jar can retrieval and utilization to mud in with jar.
While one embodiment of the present invention has been described in detail, the present invention is only a preferred embodiment of the present invention, and should not be construed as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.
Claims (10)
1. The utility model provides a mud sterilization processing apparatus, its characterized in that, including sterilization jar (1), alkali wash jar (2) and mud neutralization tank (3), sterilization jar (1) with alkali wash jar (2) and mud neutralization tank (3) are all connected, alkali wash jar (2) with mud neutralization tank (3) are connected, be equipped with pH monitor (4) on sterilization jar (1), pH monitor (4) and pH adjusting device (5) electric connection still include with medicine jar (6), with medicine jar (6) through adding medicine pump (7) with sterilization jar (1) is connected, pH adjusting device (5) and medicine pump (7) electric connection, be equipped with neutralization pump (8) and pH monitor (4) on mud neutralization tank (3), be equipped with alkali wash spray set (9) on alkali wash jar (2).
2. The sludge sterilization treatment device according to claim 1, wherein the alkaline cleaning spray device (9) comprises a liquid passing device, a spray device, a filter device and a liquid collecting device, the liquid passing device is located on the side wall of the alkaline cleaning tank (2), the spray device is located inside the liquid passing device, the filter device is located inside the alkaline cleaning tank (2) and below the spray device, and the liquid collecting device is located at the lower part of the alkaline cleaning tank (2).
3. The sludge sterilization treatment device according to claim 2, wherein the liquid passing device comprises a liquid passing pump (10) and a liquid passing pipe (11), the liquid passing pump (10) is arranged on the side surface of the alkaline washing tank (2) and is communicated with the alkaline washing tank (2), the liquid passing pipe (11) is arranged on the inner side wall of the alkaline washing tank (2) in a surrounding manner and is fixedly connected with the alkaline washing tank (2), and the liquid passing pump (10) is communicated with the liquid passing pipe (11).
4. The sludge sterilization treatment device according to claim 2, wherein the spraying device comprises a spraying head (12) and a filter screen (13), the spraying head (12) is arranged on the inner wall of the liquid passing pipe (11) and is communicated with the liquid passing pipe (11), and the filter screen (13) is arranged at one end of the spraying head (12) and is fixedly connected with the spraying head (12).
5. The sludge sterilization treatment device according to claim 2, characterized in that the filtering device comprises a filtering plate (14), the filtering plate (14) is arranged inside the alkaline washing tank (2) and fixedly connected with the inner wall of the alkaline washing tank (2), the filtering plate (14) is positioned below the spray header (12), the middle part of the filtering plate (14) is provided with a sedimentation through hole (15), and the sedimentation through hole (15) penetrates through the filtering plate (14).
6. The sludge sterilization treatment device according to claim 2, wherein the liquid collecting device comprises a liquid collecting box (16), a return spring (17) and a liquid collecting ball (18), the liquid collecting box (16) is arranged at the lower end of the alkaline washing tank (2) and is fixedly connected with the alkaline washing tank (2), the liquid collecting box (16) is communicated with the alkaline washing tank (2), the return spring (17) is arranged at the lower part of the inner side of the liquid collecting box (16) and is fixedly connected with the liquid collecting box (16) at the lower end thereof, the liquid collecting ball (18) is arranged at the upper end of the return spring (17) and is abutted against the return spring (17), and the upper part of the liquid collecting ball (18) is clamped with the alkaline washing tank (2).
7. The sludge sterilization treatment device according to claim 1, wherein an air inlet (19) is arranged at the upper part of the alkaline washing tank (2), and the air inlet (19) penetrates through the alkaline washing tank (2) and is communicated with the alkaline washing tank (2).
8. The sludge sterilization treatment device according to claim 1, wherein a support (20) is arranged at the lower part of the alkaline washing tank (2), and the support (20) is fixedly connected with the alkaline washing tank (2).
9. The sludge sterilization treatment device according to claim 1, further comprising a hydrogen sulfide detector (21), wherein the hydrogen sulfide detector (21) is arranged at the lower part of the alkaline washing tank (2) and is fixedly connected with the alkaline washing tank (2).
10. The sludge sterilization treatment device according to claim 2, wherein the liquid passing device, the spraying device and the filtering device are all three groups, and the three groups of liquid passing devices, the spraying device and the filtering device are arranged in parallel inside the alkaline washing tank (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021947852.9U CN212315876U (en) | 2020-09-08 | 2020-09-08 | Sludge sterilization treatment device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021947852.9U CN212315876U (en) | 2020-09-08 | 2020-09-08 | Sludge sterilization treatment device |
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| CN212315876U true CN212315876U (en) | 2021-01-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112110622A (en) * | 2020-09-08 | 2020-12-22 | 天津壹新环保工程有限公司 | Sludge sterilization treatment device and process |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112110622A (en) * | 2020-09-08 | 2020-12-22 | 天津壹新环保工程有限公司 | Sludge sterilization treatment device and process |
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