CN113429097A - Sludge fermentation equipment - Google Patents
Sludge fermentation equipment Download PDFInfo
- Publication number
- CN113429097A CN113429097A CN202110920738.XA CN202110920738A CN113429097A CN 113429097 A CN113429097 A CN 113429097A CN 202110920738 A CN202110920738 A CN 202110920738A CN 113429097 A CN113429097 A CN 113429097A
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- air
- partition plate
- storage cavity
- fermentation
- sludge
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- 238000000855 fermentation Methods 0.000 title claims abstract description 49
- 230000004151 fermentation Effects 0.000 title claims abstract description 49
- 239000010802 sludge Substances 0.000 title claims abstract description 32
- 238000005192 partition Methods 0.000 claims description 30
- 239000000428 dust Substances 0.000 claims description 22
- 239000000463 material Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 2
- 230000002349 favourable effect Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/02—Biological treatment
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- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Apparatus Associated With Microorganisms And Enzymes (AREA)
Abstract
The invention discloses sludge fermentation equipment which comprises a fermentation box, wherein an air inlet device is arranged at the bottom of the fermentation box, and a negative pressure air exhaust device is arranged above the fermentation box. The invention has the beneficial effects that: still be provided with negative pressure air exhaust device above the mud heap of fermenting case, on the one hand can accelerate the flow of mud in-pile gas, and on the other hand can be favorable to the quick discharge of moisture in the mud with the gaseous suction in the mud heap.
Description
Technical Field
The invention relates to sewage treatment, in particular to sludge fermentation equipment.
Background
In the sewage treatment process, a large amount of sludge can be generated, and during the post-treatment, the effect of fermentation treatment can be reduced and the fermentation treatment time can be prolonged due to the influence of water, so that the excessive water in the sludge needs to be separated out firstly.
In the prior art, the sludge is treated in a drying mode, but the energy consumption is relatively high; the speed of water evaporation is increased by adopting a natural airing mode or a mode of increasing air flow on the surface of the sludge, although the energy consumption is reduced, the evaporation speed is too low, and the treatment efficiency of the sludge is severely restricted, so that the equipment for reducing the water content of the sludge by taking the efficiency and the energy consumption into consideration is particularly important.
Disclosure of Invention
The invention aims to overcome the defect of low efficiency of natural drying in the prior art and provide sludge fermentation equipment.
The purpose of the invention is realized by the following technical scheme:
the sludge fermentation equipment comprises a fermentation box, wherein an air inlet device is arranged at the bottom of the fermentation box, and a negative pressure air exhaust device is arranged above the fermentation box.
Preferably, the air intake device is a high-pressure intake pipe.
Preferably, the air inlet device comprises an air storage cavity arranged below the fermentation box, an air inlet channel is arranged on the air storage cavity, a separation plate is arranged at the top of the air storage cavity, air holes communicated with the fermentation box and the air storage cavity are formed in the separation plate, and the number of the air holes is more than two.
Preferably, a partition plate capable of moving up and down along the gas storage cavity is arranged in the gas storage cavity, the partition plate divides the gas storage cavity into an upper cavity and a lower cavity, and sealing gaskets are arranged on the periphery of the partition plate.
Preferably, a telescopic rod is arranged in the lower cavity, a base of the telescopic rod is installed on the bottom surface of the gas storage cavity, and a telescopic end of the telescopic rod is connected with the partition plate.
Preferably, the upper surface of division board is provided with prevents stifled pole, prevent stifled pole and air vent one-to-one, just prevent stifled pole and be located the below of corresponding air vent.
Preferably, the tail end of the anti-blocking rod is provided with an air flow adjusting section, and the cross section area of the air flow adjusting section is gradually increased from top to bottom.
Preferably, the partition plate is in a bucket shape with a low middle part and a high periphery, a dust suction pipe is arranged in the upper chamber, a dust outlet pipe is arranged on the side wall of the upper chamber, an inlet of the dust suction pipe is arranged in the middle part of the partition plate, an outlet of the dust suction pipe is connected with a suction device through the dust outlet pipe, and a valve is arranged on the dust outlet pipe.
Preferably, a material stirring device is arranged in the fermentation box.
Preferably, a hanging ring is arranged above the fermentation box.
The invention has the following advantages:
according to the invention, the negative pressure air extractor is arranged above the sludge pile of the fermentation box, so that on one hand, the flow of gas in the sludge pile can be accelerated, and on the other hand, the gas in the sludge pile can be sucked out, thereby being beneficial to the rapid discharge of water in the sludge.
The tail end of the anti-blocking rod is provided with the air flow adjusting section, the air flow adjusting section continuously penetrates into the vent hole, and the gap between the air flow adjusting section and the vent hole is gradually reduced, so that under the condition that the pressure in the upper chamber only slightly changes (the pressure in the upper chamber fluctuates due to the slight movement of the partition plate), the movement path of gas in sludge is adjusted while the gas outlet rate is adjusted by adjusting the area of the gas outlet gap.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of another embodiment of the present invention.
Fig. 3 is a schematic structural view of a partition plate and a partition plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
In addition, the embodiments of the present invention and the features of the embodiments may be combined with each other without conflict.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or orientations or positional relationships that the products of the present invention conventionally lay out when in use, or orientations or positional relationships that are conventionally understood by those skilled in the art, which are merely for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The embodiment provides a sludge fermentation equipment, as shown in fig. 1, comprising a fermentation box 1, wherein an air inlet device 2 is arranged at the bottom of the fermentation box 1, and a negative pressure air exhaust device 3 is arranged above the fermentation box.
When the sludge fermentation equipment in this application used, the mud of treating the fermentation was prevented in fermenting case 1, and air inlet unit 2 is in the mud heap of treating the fermentation with gaseous drum-in, then gaseous continuous rising, finally breaks away from the mud heap. Still be provided with negative pressure air exhaust device 3 above the mud heap of fermenting case 1, on the one hand can accelerate the gaseous flow in the mud heap, and on the other hand can be favorable to the quick discharge of moisture in the mud with the gaseous suction in the mud heap.
In this embodiment, air inlet unit 2 can be high-pressure air inlet pipe 4, and the intake pipe can disperse to set up in 1 bottoms of fermenting case, adopts the mode that the high pressure was admitted air can pierce through mud as far as possible.
In this embodiment, the air inlet device 2 may include an air storage cavity 7 disposed below the fermentation tank 1, an air inlet channel is disposed on the air storage cavity 7, a partition plate 6 is disposed on the top of the air storage cavity 7, an air vent 8 communicating the fermentation tank 1 and the air storage cavity 7 is disposed on the partition plate 6, and the number of the air vent 8 is two or more, as shown in fig. 2-3.
A gas storage cavity 7 is arranged below the fermentation box 1, the gas storage cavity 7 can be connected with a gas compression device, and compressed gas is stored in the gas storage cavity 7. Wherein the gas storage cavity 7 and the fermentation box 1 are separated by the isolation plate 6, and the ventilation condition in the sludge pile is adjusted by selecting the number, the position and the size of the ventilation holes 8.
In this embodiment, a partition plate 9 capable of moving up and down along the gas storage cavity 7 may be disposed in the gas storage cavity 7, the partition plate 9 divides the gas storage cavity 7 into an upper chamber 10 and a lower chamber 11, and a sealing gasket is disposed around the partition plate 9.
The partition plate 9 may act as a piston to further compress the gas in the upper chamber 10 or to adjust the size of the upper chamber 10 to adjust the inlet velocity and pressure of the inlet means 2.
In this embodiment, an expansion link 12 may be disposed in the lower chamber 11, a base of the expansion link 12 is mounted on a bottom surface of the gas storage chamber 7, and an expansion end of the expansion link 12 is connected to the partition plate 9.
The position of the partition plate 9 is adjusted by the expansion and contraction of the expansion rod 12, so that the size of the upper chamber 10 and the pressure of the gas in the upper chamber are adjusted. The telescopic rod 12 can be an electric telescopic rod 12, an air cylinder or an oil cylinder, and the separating plate 9 can be driven to move repeatedly according to the specified direction.
In this embodiment, the upper surface of division board 9 can be provided with prevents stifled pole 13, prevent stifled pole 13 and air vent 8 one-to-one, just prevent stifled pole 13 and be located the below that corresponds air vent 8.
The upper surface of division board 9 sets up prevents stifled pole 13, when the distance between division board 9 and division board 6 is less than the length of preventing stifled pole 13, prevents stifled pole 13 and can insert in air vent 8, will block up in air vent 8 in the foreign matter pushes back fermentation case 1.
In this embodiment, the end of the anti-blocking rod 13 may be provided with an airflow adjusting section, and the cross sectional area of the airflow adjusting section gradually increases from top to bottom.
The tail end of the anti-blocking rod 13 is provided with an air flow adjusting section, and along with the fact that the air flow adjusting section continuously extends into the vent hole 8, a gap between the air flow adjusting section and the vent hole 8 is gradually reduced, so that under the condition that the pressure in the upper chamber 10 only slightly changes (the pressure in the upper chamber 10 fluctuates due to the slight movement of the partition plate 9), the movement path of the gas in the sludge is adjusted while the gas outlet rate is adjusted by adjusting the area of the gas outlet gap.
The lower part of the air flow adjusting section can be directly connected to the partition plate 9, and also can be connected to the partition plate 9 through a columnar connecting part, wherein the section of the columnar connecting part is matched with the size of the vent hole 8.
In this embodiment, the partition plate 9 may be a bucket shape with a low middle part and a high periphery, a dust suction pipe is arranged in the upper chamber 10, a dust discharge pipe is arranged on the side wall, an inlet of the dust suction pipe is arranged in the middle part of the partition plate 9, an outlet of the dust suction pipe is connected with a suction device through the dust discharge pipe, and a valve is arranged on the dust discharge pipe.
Normally, the sludge will not fall into the upper chamber 10 due to the upward pressure of the gas in the vent 8. When division board 9 moves down, the inlet pressure of cavity 10 air inlet can increase under the normal condition for the pressure in last intracavity keeps invariable as far as possible, however, if because the misoperation, the condition that cavity 10 pressure descends may appear, mud can drop to division board 9 through air vent 8, at this moment, because division board 9 is the slope setting, mud will bounce gradually and fall to the lowest in division board 9 middle part, if this kind of condition takes place, can open getter device, with the mud suction of gathering.
The dust absorption pipe in this embodiment needs to have certain elasticity, can follow the removal of division board 9 and reciprocate, and technical personnel in the field should set up the route that the dust absorption pipe passes through according to the circumstances of setting up of preventing stifled pole 13, avoids the dust absorption pipe to obstruct the work of preventing stifled pole 13, when necessary, can tentatively spacing to the part of dust absorption pipe.
In this embodiment, can be provided with material mixing device in the fermenting case 1, be favorable to gaseous homodisperse, improve the homogeneity of mud.
In this embodiment, 1 top of fermenting case can be provided with rings, conveniently shifts fermenting case 1, also can put fermenting case 1 according to appointed logic, puts for example and is the matrix, improves space availability factor.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (10)
1. Sludge fermentation equipment, its characterized in that: the fermentation tank comprises a fermentation tank, wherein an air inlet device is arranged at the bottom of the fermentation tank, and a negative pressure air exhaust device is arranged above the fermentation tank.
2. The sludge fermentation apparatus of claim 1, wherein: the air inlet device is a high-pressure air inlet pipe.
3. The sludge fermentation apparatus of claim 1, wherein: the air inlet device comprises an air storage cavity arranged below the fermentation box, an air inlet channel is arranged on the air storage cavity, a partition plate is arranged at the top of the air storage cavity, air holes communicated with the fermentation box and the air storage cavity are formed in the partition plate, and the number of the air holes is more than two.
4. The sludge fermentation apparatus of claim 3, wherein: the air storage cavity is internally provided with a partition plate capable of moving up and down along the air storage cavity, the partition plate divides the air storage cavity into an upper cavity and a lower cavity, and the periphery of the partition plate is provided with a sealing gasket.
5. The sludge fermentation apparatus of claim 4, wherein: the lower cavity is internally provided with a telescopic rod, the base of the telescopic rod is arranged on the bottom surface of the gas storage cavity, and the telescopic end of the telescopic rod is connected with the partition plate.
6. The sludge fermentation apparatus of claim 5, wherein: the upper surface of division board is provided with prevents stifled pole, prevent stifled pole and air vent one-to-one, just prevent stifled pole and be located the below that corresponds the air vent.
7. The sludge fermentation apparatus of claim 6, wherein: the anti-blocking rod tail end is provided with the air current regulation section, the cross sectional area of air current regulation section is from last to increasing gradually down.
8. The sludge fermentation apparatus of claim 5, wherein: the partition plate is in a bucket shape with a low middle part and a high periphery, a dust suction pipe is arranged in the upper chamber, a dust outlet pipe is arranged on the side wall of the upper chamber, an inlet of the dust suction pipe is arranged in the middle of the partition plate, an outlet of the dust suction pipe is connected with a suction device through the dust outlet pipe, and a valve is arranged on the dust outlet pipe.
9. The sludge fermentation apparatus of claim 1, wherein: and a material stirring device is arranged in the fermentation box.
10. The sludge fermentation apparatus of claim 1, wherein: and a hanging ring is arranged above the fermentation box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110920738.XA CN113429097B (en) | 2021-08-11 | 2021-08-11 | Sludge fermentation equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110920738.XA CN113429097B (en) | 2021-08-11 | 2021-08-11 | Sludge fermentation equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113429097A true CN113429097A (en) | 2021-09-24 |
| CN113429097B CN113429097B (en) | 2024-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110920738.XA Active CN113429097B (en) | 2021-08-11 | 2021-08-11 | Sludge fermentation equipment |
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| CN (1) | CN113429097B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113564019A (en) * | 2021-08-11 | 2021-10-29 | 重庆灏宁生物技术有限公司 | Equipment and method for recovering humic acid by sludge fermentation |
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Cited By (2)
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| CN113564019A (en) * | 2021-08-11 | 2021-10-29 | 重庆灏宁生物技术有限公司 | Equipment and method for recovering humic acid by sludge fermentation |
| CN113564019B (en) * | 2021-08-11 | 2024-04-02 | 重庆灏宁生物技术有限公司 | Equipment and method for recycling humic acid by sludge fermentation |
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| Publication number | Publication date |
|---|---|
| CN113429097B (en) | 2024-05-14 |
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