CN210683339U - UASB anaerobic reactor - Google Patents
UASB anaerobic reactor Download PDFInfo
- Publication number
- CN210683339U CN210683339U CN201921661883.5U CN201921661883U CN210683339U CN 210683339 U CN210683339 U CN 210683339U CN 201921661883 U CN201921661883 U CN 201921661883U CN 210683339 U CN210683339 U CN 210683339U
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- Prior art keywords
- sludge
- wall
- precipitator
- anaerobic reactor
- inclined wall
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- 238000009280 upflow anaerobic sludge blanket technology Methods 0.000 title claims abstract description 18
- 239000010802 sludge Substances 0.000 claims abstract description 119
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 33
- 239000012716 precipitator Substances 0.000 claims abstract description 19
- 238000007667 floating Methods 0.000 claims abstract description 6
- 238000001556 precipitation Methods 0.000 claims abstract description 6
- 238000005485 electric heating Methods 0.000 claims description 3
- 238000005191 phase separation Methods 0.000 claims description 3
- 238000005070 sampling Methods 0.000 claims description 3
- 244000005700 microbiome Species 0.000 abstract description 22
- 239000010865 sewage Substances 0.000 abstract description 2
- 239000002351 wastewater Substances 0.000 description 22
- 238000006243 chemical reaction Methods 0.000 description 14
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 10
- 239000007788 liquid Substances 0.000 description 9
- 238000010438 heat treatment Methods 0.000 description 5
- 230000001174 ascending effect Effects 0.000 description 4
- 238000005188 flotation Methods 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 4
- 239000005416 organic matter Substances 0.000 description 3
- 238000004062 sedimentation Methods 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005574 cross-species transmission Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 238000004065 wastewater treatment Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Treatment Of Sludge (AREA)
Abstract
The utility model relates to the technical field of sewage treatment, specifically disclose UASB anaerobic reactor, including the sludge impoundment, the sludge impoundment bottom is connected with the inlet tube, and the sludge impoundment top is connected with drain pipe and air duct, and the sludge impoundment bottom is equipped with the sludge blanket, and sludge impoundment upper portion fixed connection three-phase separator, three-phase separator include air chamber and settling zone, and three-phase separator is equipped with gas reflecting plate and precipitator, and gas reflecting plate fixed connection is on the outer wall of precipitator, and the gas reflecting plate of three-phase separator constitutes the air chamber with the outer wall of precipitator, and the air duct communicates with the air chamber; the precipitator is enclosed into a precipitation area, an overflow trough is arranged on the side wall of the precipitator, a floating drum is arranged in the precipitation area, and a switch is arranged at the top of the sludge tank; the water inlet pipe is connected with the water inlet pipe through a motor valve, and the switch is connected with a power switch of the motor valve in series. The scheme is used for solving the problem that a large amount of sludge rich in microorganisms runs off when the load in the sludge tank is suddenly increased in the prior art.
Description
Technical Field
The utility model relates to a sewage treatment technical field specifically is UASB anaerobic reactor.
Background
The UASB anaerobic reactor is an integrated waste water treatment equipment integrating three-phase separation of sludge (rich in microorganisms), water (treated water) and gas (methane) after organic matter removal, and is characterized in that granular sludge with good settling property and rich in microorganisms can be cultured in the reactor to form a sludge bed with extremely high sludge concentration, and a large amount of organic matter contained in waste water is degraded by the microorganisms on the sludge bed (namely anaerobic reaction) after entering the sludge bed.
However, in the prior art, once the wastewater entering the sludge tank from the water inlet pipe is greatly increased, the load in the sludge bed is suddenly increased, so that the overall liquid level in the reactor is increased, the sludge rich in microorganisms is discharged from the water discharge pipe at the top of the reactor, and the waste of the sludge rich in microorganisms is caused.
SUMMERY OF THE UTILITY MODEL
The utility model discloses it is providing UASB anaerobic reactor to solve among the prior art mud pond load appear when aggravating suddenly that the mud that is rich in the microorganism runs off in a large number the problem.
In order to achieve the above object, the basic scheme of the present invention is as follows:
the UASB anaerobic reactor comprises a sludge tank, wherein the bottom of the sludge tank is connected with a water inlet pipe, the top of the sludge tank is connected with a drain pipe and an air guide pipe, the bottom of the sludge tank is provided with a sludge bed, the upper part of the sludge tank is fixedly connected with a three-phase separator, the three-phase separator comprises an air chamber and a settling zone, the three-phase separator is provided with a gas reflecting plate and a precipitator, the gas reflecting plate is fixedly connected on the outer wall of the precipitator, the gas reflecting plate of the three-phase separator and the outer wall of the precipitator form an air chamber, and; the precipitator is enclosed into a precipitation area, an overflow trough is arranged on the side wall of the precipitator, a floating drum is arranged in the precipitation area, and a switch is arranged at the top of the sludge tank; the water inlet pipe is connected with the water inlet pipe through a motor valve, and the switch is connected with a power switch of the motor valve in series.
Technical principle and beneficial effect compared with the prior art:
waste water that enters into the mud pond when the inlet tube increases substantially, make the interior load of mud pond aggravate suddenly, the liquid level in the mud pond wholly risees, the position of the flotation pontoon of sedimentation zone risees, make the flotation pontoon press the switch, and force the switch-on, the switch-on makes motor valve's motor start and open motor valve, waste water in the inlet tube no longer directly gets into the mud pond (the great and pressure is greater than the buffer memory pond because of the load in the mud pond this moment), but get into and cache in the buffer memory pond, avoid waste water to continuously get into the mud pond, cause a large amount of mud that is rich in the microorganism to spill over from the sedimentation zone, and then discharge from the drain pipe, cause the extravagant problem of mud.
Compare the condition that the mud that is rich in the microorganism runs off in a large number among the prior art, this scheme can prevent in time when the mud runs off continuing entering of waste water, avoids a large amount of losses of mud, guarantees the time that mud stays in the mud pond, is favorable to prolonging mud age for the microorganism in the mud is more flourishing.
Furthermore, the precipitator comprises a flow guide wall, and a funnel-shaped first inclined wall and a funnel-shaped second inclined wall, wherein the first inclined wall and the second inclined wall are positioned above the flow guide wall, the second inclined wall is positioned above the first inclined wall, a gap is formed between the second inclined wall and the first inclined wall, and the gas reflecting plate is fixedly connected to the outer wall of the second inclined wall.
Has the advantages that: the separation of gas, sludge and treated water is realized through a specific structure, and the structure is simple and easy to realize.
Furthermore, a baffle is arranged below the three-phase separator and is positioned above the sludge bed, and the baffle is inverted V-shaped.
Has the advantages that: after the anaerobic reaction of waste water and the mud on the sludge bed, bubble and the liquid stream that rises that scurry are produced, bubble and the liquid stream that rises that scurry are reflected after striking the baffle, can make the treated water react with the microorganism on the sludge bed again on the one hand, the anaerobic reaction time has been prolonged, and on the other hand, the mud, marsh gas and the treated water that reflect back play the stirring effect in the anaerobic reaction that is taking place on the sludge bed equivalently, further are favorable to the organic matter in the waste water and the abundant contact of the microorganism in the sludge bed.
Furthermore, a grid is arranged on the overflow groove; the grid can prevent floating flocculent sludge from flowing out of the settling zone.
Furthermore, a grid is arranged on the water inlet pipe; the grid can avoid the bold debris in the waste water to enter into in the silt pond.
Further, a PH sensor is arranged in the sludge tank.
Has the advantages that: the pH value is one of important factors of anaerobic reaction, and the pH value condition in the sludge tank can be monitored in real time through a pH sensor, so that the control of the anaerobic reaction is facilitated.
Further, a sampling port is formed in the sludge tank; get the mixture in the mud pond through the sample connection, be convenient for detect.
Further, an electric heating wire is wound and fixed on the outer wall of the sludge tank.
Has the advantages that: the heating wire is externally connected with a temperature control system to keep the heating of the heating wire to the sludge tank at a constant temperature, which is beneficial to the anaerobic reaction.
Further, a stirrer is arranged in the sludge tank and is positioned on the sludge bed.
Has the advantages that: the agitator increases the agitation to the sludge bed during the anaerobic reaction, so that the wastewater is more fully contacted with the anaerobic sludge on the sludge bed, the anaerobic reaction of organic matters and microorganisms is quicker, and the treatment speed of the wastewater is quicker.
Further, the stirrer is driven by a motor; the motor drives, and the technology is mature, easily realizes.
Drawings
Fig. 1 is a front structural sectional view of a first embodiment of the present invention;
fig. 2 is a front structural sectional view of a second embodiment of the present invention.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the device comprises a sludge tank 1, a buffer tank 2, a water inlet pipe 3, a water outlet pipe 4, a gas guide pipe 5, a sludge bed 6, a three-phase separator 7, a gas reflecting plate 8, a flow guide wall 9, a first inclined wall 10, a second inclined wall 11, a gas chamber 12, an overflow groove 13, a settling zone 14, a buoy 15, a button switch 16, a baffle 17, a supporting plate 18, a PH sensor 19, a stirrer 20 and a servo motor 21.
Example one
An embodiment substantially as shown in figure 1:
the UASB anaerobic reactor comprises a sludge tank 1 and a buffer tank 2, wherein the sludge tank 1 is cylindrical, the bottom of the sludge tank 1 is connected with a water inlet pipe 3, and a grid for blocking large impurities in wastewater is arranged on the water inlet pipe 3; the top of the sludge tank 1 is connected with a drain pipe 4 and an air duct 5, the bottom of the sludge tank 1 is provided with a sludge bed 6 (the sludge bed 6 is high-concentration sludge rich in microorganisms, the high-concentration sludge has granular sludge or flocculent sludge), and the upper part of the sludge tank 1 is fixedly connected with a three-phase separator 7.
The three-phase separator 7 comprises a gas reflecting plate 8 and a precipitator, the precipitator comprises a flow guide wall 9, a funnel-shaped inclined wall I10 and an inclined wall II 11, the inclined wall I10 and the inclined wall II 11 are positioned above the flow guide wall 9, the inclined wall II 11 is positioned above the inclined wall I10, a gap is formed between the inclined wall II 11 and the inclined wall I10, the inner edge of the gas reflecting plate 8 is welded on the outer wall of the inclined wall II 11, and the outer edge of the inclined wall II 11 and the outer edge of the gas reflecting plate 8 are welded on the inner wall of the sludge tank 1. The gas reflecting plate 8 and the outer wall of the second inclined wall 11 form a gas chamber 12 of the three-phase separator 7, and the gas guide pipe 5 is communicated with the gas chamber 12; an overflow groove 13 is formed in the side wall of the second inclined wall 11, a settling zone 14 of the three-phase separator 7 is formed in a space enclosed by the second inclined wall 11, a grid for preventing floating flocculent sludge from flowing out of the settling zone 14 is installed on the overflow groove 13, a drainage groove is formed between the second inclined wall 11 and the inner wall of the sludge pool 1 and communicated with the drainage pipe 4, and treated water can overflow into the drainage groove through the overflow groove 13.
A float bowl 15 (the float bowl 15 is square, the top of the float bowl 15 is a plane) is arranged in the settling zone 14, and a button switch 16 is arranged at the top of the sludge tank 1; the buffer pool 2 is connected with the water inlet pipe 3 through a motor valve, and the button switch 16 is connected with a power switch of the motor valve in series.
Still install between three-phase separator 7 and the sludge blanket 6 and be the baffle 17 of "V" shape, the quantity of baffle 17 has three, and baffle 17 welds in backup pad 18, and backup pad 18 welds on the inner wall of sludge impoundment 1, and the welding has the bracing piece in the backup pad 18, supports water conservancy diversion wall 9 through the bracing piece, and the welding has the bracing piece that supports skew wall 10 simultaneously on the water conservancy diversion wall 9 upper surface.
A PH sensor 19 is inserted in the sludge tank 1 for monitoring the PH condition in the sludge tank 1 in real time.
A sampling port is arranged on the sludge tank 1.
The outer wall of the sludge tank 1 is wound and fixed with an electric heating wire (which can be fixed by a sticking way). The heating wire is externally connected with a temperature control system to keep the heating wire to heat the sludge tank 1 at a constant temperature (for example, the temperature in the sludge tank 1 is kept at 35-38 ℃).
The specific implementation process is as follows:
when the float bowl 15 in the settling zone 14 is not pressed to the button switch 16, the motor valve is in a closed state, and wastewater directly enters the sludge bed 6 in the sludge tank 1 from the water inlet pipe 3 for reaction.
When the embodiment is adopted for wastewater treatment, wastewater enters the sludge bed 6 of the sludge pool 1 through the water inlet pipe 3, a large amount of organic matters contained in the wastewater generate anaerobic reaction with microorganisms on the sludge bed 6, and further release biogas, in the anaerobic reaction process, the sludge, the biogas and the treated water form ascending liquid flow and ascending bubbles (the wastewater is called treated water after being degraded by the microorganisms), the ascending bubbles and the ascending liquid flow are reflected after impacting the baffle 17, on one hand, the treated water can react with the microorganisms on the sludge bed 6 again, the reaction time is prolonged, on the other hand, the reflected sludge, the biogas and the treated water play a role in stirring the anaerobic reaction on the sludge bed 6, and further, the organic matters in the wastewater are in full contact with the microorganisms in the sludge bed 6.
The sludge, the methane and the treated water pass through the baffle 17 and continue to rise to the three-phase separator 7, when rising liquid flow and upward bubbles touch the gas reflecting plate 8, the rising liquid flow and the upward bubbles are folded to the periphery of the gas reflecting plate 8, the methane rises and passes through the gas reflecting plate 8 and enters the gas chamber 12, and the methane concentrated in the gas chamber 12 is led out through the gas guide pipe 5; and the reflected treated water and part of sludge pass through the gap between the first inclined wall 10 and the second inclined wall 11 and enter the settling zone 14, the sludge is flocculated in the settling zone 14, particles of the sludge are gradually increased and slide back to the sludge bed 6 along the second inclined wall 11 and the flow guide wall 9 under the action of gravity, so that a large amount of sludge is accumulated in the sludge bed 6, and the treated water separated from the sludge overflows to a drainage tank from an overflow groove 13 of the settling zone 14 and is finally discharged through a drainage pipe 4.
The overflow groove 13 is provided with a grid for preventing floating flocculent sludge from flowing out of the sedimentation zone 14, so that the probability of discharging a large amount of sludge rich in microorganisms from the overflow groove 13 is further reduced, the time for the sludge to stay in the sludge tank 1 is relatively prolonged, the sludge age of the sludge is favorably prolonged, and the microorganisms in the sludge are more vigorous.
When the waste water that enters into sludge impoundment 1 when increasing by a wide margin as inlet tube 3, make the load aggravate suddenly in sludge impoundment 1, the liquid level in sludge impoundment 1 wholly risees, the position of flotation pontoon 15 of settling zone 14 risees, make flotation pontoon 15 press button switch 16, and force button switch 16 switch-on, button switch 16 switch-on makes motor valve's motor start and opens motor valve, waste water in inlet tube 3 no longer directly gets into sludge impoundment 1 (the great and pressure is greater than buffer memory pond 2 because of the load in sludge impoundment 1 this moment), but get into and cache in the buffer memory pond 2, avoid waste water to continuously get into sludge impoundment 1, cause a large amount of mud that is rich in the microorganism to spill over from settling zone 14, and then discharge from drain pipe 4, cause the extravagant problem of mud that is.
Example two
The second embodiment is substantially as shown in figure 2:
the second embodiment is improved on the basis of the first embodiment as follows: the stirrer 20 is rotatably connected in the sludge tank 1 through a bearing, the stirrer 20 is positioned on the sludge bed 6, the rotating shaft of the stirrer 20 extends out of the sludge tank 1, the rotating shaft is connected with an output shaft key of the motor, and the motor adopts a servo motor 21.
The existence of the stirrer 20 increases the stirring of the sludge bed 6 during the anaerobic reaction, so that the wastewater is more fully contacted with the sludge on the sludge bed 6, the anaerobic reaction of the organic matters and the microorganisms is quicker, and the treatment speed of the wastewater is quicker.
The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (10)
- UASB anaerobic reactor, including sludge impoundment, sludge impoundment bottom is connected with the inlet tube, and the sludge impoundment top is connected with drain pipe and air duct, and sludge impoundment bottom is equipped with the sludge blanket, sludge impoundment upper portion fixed connection three-phase separation ware, and the three-phase separation ware includes air chamber and settling zone, its characterized in that: the three-phase separator is provided with a gas reflecting plate and a precipitator, the gas reflecting plate is fixedly connected to the outer wall of the precipitator, the gas reflecting plate of the three-phase separator and the outer wall of the precipitator form a gas chamber, and the gas guide pipe is communicated with the gas chamber; the precipitator is enclosed into a precipitation area, an overflow trough is arranged on the side wall of the precipitator, a floating drum is arranged in the precipitation area, and a switch is arranged at the top of the sludge tank; the water inlet pipe is connected with the water inlet pipe through a motor valve, and the switch is connected with a power switch of the motor valve in series.
- 2. A UASB anaerobic reactor according to claim 1, wherein: the precipitator comprises a flow guide wall, a funnel-shaped first inclined wall and a funnel-shaped second inclined wall, the first inclined wall and the second inclined wall are located above the flow guide wall, the second inclined wall is located above the first inclined wall, a gap is reserved between the second inclined wall and the first inclined wall, and the gas reflecting plate is fixedly connected to the outer wall of the second inclined wall.
- 3. A UASB anaerobic reactor according to claim 2, wherein: and a baffle is arranged below the three-phase separator and is positioned above the sludge bed, and the baffle is inverted V-shaped.
- 4. A UASB anaerobic reactor according to claim 3, wherein: and the overflow groove is provided with a grid.
- 5. A UASB anaerobic reactor according to claim 1, wherein: the water inlet pipe is provided with a grid.
- 6. A UASB anaerobic reactor according to claim 1, wherein: a PH sensor is arranged in the sludge tank.
- 7. A UASB anaerobic reactor according to claim 1, wherein: and a sampling port is formed in the sludge tank.
- 8. A UASB anaerobic reactor according to claim 1, wherein: and the outer wall of the sludge tank is wound and fixed with an electric heating wire.
- 9. A UASB anaerobic reactor according to any of claims 1-8, characterized in that: and a stirrer is arranged in the sludge tank and is positioned on the sludge bed.
- 10. A UASB anaerobic reactor according to claim 9, wherein: the stirrer is driven by a motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921661883.5U CN210683339U (en) | 2019-09-30 | 2019-09-30 | UASB anaerobic reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921661883.5U CN210683339U (en) | 2019-09-30 | 2019-09-30 | UASB anaerobic reactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210683339U true CN210683339U (en) | 2020-06-05 |
Family
ID=70893279
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921661883.5U Expired - Fee Related CN210683339U (en) | 2019-09-30 | 2019-09-30 | UASB anaerobic reactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210683339U (en) |
-
2019
- 2019-09-30 CN CN201921661883.5U patent/CN210683339U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200605 |