CN113354081A - Sewage treatment anaerobic reactor with scum incrustation eliminating function - Google Patents
Sewage treatment anaerobic reactor with scum incrustation eliminating function Download PDFInfo
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- CN113354081A CN113354081A CN202110750105.9A CN202110750105A CN113354081A CN 113354081 A CN113354081 A CN 113354081A CN 202110750105 A CN202110750105 A CN 202110750105A CN 113354081 A CN113354081 A CN 113354081A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/28—Anaerobic digestion processes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C19/00—Other disintegrating devices or methods
- B02C19/06—Jet mills
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2203/00—Apparatus and plants for the biological treatment of water, waste water or sewage
- C02F2203/006—Apparatus and plants for the biological treatment of water, waste water or sewage details of construction, e.g. specially adapted seals, modules, connections
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
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Abstract
The invention discloses a sewage treatment anaerobic reactor with a function of eliminating scum crusting, which comprises: the reactor body, its lower part is equipped with water inlet and mud outlet, and lower floor's three-phase separator, upper strata three-phase separator are fixed in reactor body inner chamber from upwards in proper order. The overflow weir is fixed above the upper three-phase separator in the inner cavity of the reactor body, and a water outlet is arranged at the overflow weir. The lower three-phase separator and the upper three-phase separator are communicated with an exhaust pipe, the exhaust pipe is connected with a liquid seal device fixed on the top surface of the reactor body, and the liquid seal device is connected with a methane cabinet outside the reactor body. The pneumatic shell breaking mechanism is fixed between the upper three-phase separator and the overflow weir, a plurality of upward air nozzles are arranged on the pneumatic shell breaking mechanism, and the pneumatic shell breaking mechanism is connected with the biogas cabinet through a pressure pump. The device not only can utilize the generated methane to break the scum or crust on the upper part of the reactor, but also has the characteristic of improving the solid-liquid separation effect.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to a sewage treatment anaerobic reactor with a scum and crust eliminating function.
Background
The information disclosed in this background of the invention is only for enhancement of understanding of the general background of the invention and is not necessarily to be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
In the aspect of industrial wastewater treatment, the pollutant components in wastewater of some chemical and chemical industrial parks are complex, benzene compounds, pyridine compounds, refractory polymers and the like, and meanwhile, the wastewater often contains a large amount of salt, so that the biodegradability of the wastewater is poor. Therefore, the sewage is firstly treated by anaerobic organisms before being treated by the aerobic organisms, and macromolecular substances can be converted into micromolecules, so that the concentration of organic matters in the sewage is effectively reduced. Anaerobic biological treatment is to convert most organic matters in sewage into simple micromolecular organic matters such as methane and inorganic matters under the anaerobic condition by means of the action of the convertible anaerobic bacteria and the facultative anaerobic bacteria, so that the sewage is purified, and an anaerobic reactor is a main device for carrying out anaerobic biological treatment.
However, since the sewage needs to stay in the anaerobic reactor for a long time, scum is easily formed at the sewage level along with the reaction, and even crusts are formed in severe cases, and the crusts can hinder the discharge of the treated sewage and methane.
Disclosure of Invention
In view of the above problems, the present invention provides an anaerobic reactor for sewage treatment having a function of eliminating scum crusting, which is capable of not only breaking scum or crusting on the upper part of the reactor by using generated biogas, but also improving the effect of solid-liquid separation. In order to achieve the purpose, the technical scheme of the invention is as follows.
An anaerobic reactor for sewage treatment with the function of eliminating scum crusting, which comprises: reactor body, lower floor's three-phase separator, upper strata three-phase separator, overflow weir, blast pipe, liquid seal ware, natural pond gas cabinet, pneumatic broken shell mechanism and force pump, wherein: the lower part of the reactor body is provided with a water inlet and a sludge outlet, and the lower three-phase separator and the upper three-phase separator are sequentially fixed in the inner cavity of the reactor body from bottom to top. The overflow weir is fixed above the upper three-phase separator in the inner cavity of the reactor body, and a water outlet is arranged at the overflow weir. The lower three-phase separator and the upper three-phase separator are communicated with an exhaust pipe, the exhaust pipe is connected with a liquid seal device fixed on the top surface of the reactor body, and the liquid seal device is connected with a methane cabinet outside the reactor body. The pneumatic shell breaking mechanism is fixed between the upper three-phase separator and the overflow weir, a plurality of upward air nozzles are arranged on the pneumatic shell breaking mechanism, and the pneumatic shell breaking mechanism is connected with the biogas cabinet through the pressure pump.
Further, the pneumatic shell breaking mechanism comprises: dead lever, gas distribution pipe and annular positioning tube, wherein: the both ends of gas distribution pipe are connected with the lower extreme and the annular registration arm of dead lever respectively, and the perpendicular annular registration arm place horizontal plane of dead lever, a plurality of gas distribution pipe is radial distribution between dead lever and annular registration arm, gas distribution pipe and annular registration arm are the connected state, the air jet is seted up on gas distribution pipe's upper surface.
Further, the pressure pump is communicated with the gas distribution pipe through a first gas inlet pipe, the upper end of the fixing rod is fixed on the top wall of the reactor body, and the annular positioning pipe is fixedly connected with the inner wall of the reactor body so as to increase the stability of the pneumatic shell breaking mechanism.
Furthermore, the top wall of the reactor body is communicated with the liquid seal device so as to discharge biogas discharged when the pneumatic shell breaking mechanism impacts scum at the sewage level or crusts of the scum.
Furthermore, an observation window is arranged on the top wall of the reactor body and is sealed by toughened glass, so that the reaction condition of the internal sewage liquid level can be observed conveniently, and the pneumatic shell breaking mechanism is started to intervene when needed.
Furthermore, the fixing rod, the gas distribution pipe and the annular positioning pipe are made of plastic materials, so that the reactor has better corrosion resistance on the one hand, and is relatively lighter in mass on the other hand, and convenient to assemble and fix in the reactor body.
Furthermore, the anaerobic reactor also comprises sedimentation promoting plates, the sedimentation promoting plates are corrugated, a plurality of sedimentation promoting plates are vertically arranged below the lower layer three-phase separator, and the sedimentation promoting plates are distributed at intervals so as to facilitate the passing of a liquid phase and a gas phase.
Furthermore, a gas injection pipe is arranged below the sedimentation promoting plate and is communicated with the pressure pump through a second gas inlet pipe, so that sediments such as sludge on the surface of the sedimentation promoting plate can be impacted by utilizing methane.
Further, the sedimentation promoting plate is fixed in the reactor body through a connecting rod, and the connecting rod is fixed on the inner wall of the reactor body.
Furthermore, valves are arranged on the first air inlet pipe and the second air inlet pipe, so that the on-off of the biogas on the pipelines of the first air inlet pipe and the second air inlet pipe can be controlled independently.
Compared with the prior art, the invention has the following beneficial effects:
(1) according to the invention, the pneumatic shell breaking mechanism is arranged between the upper three-phase separator and the overflow weir, when scum or scum crusting is observed to be formed at the liquid level at the upper part in the reactor body, the pressure pump is started to pressurize the methane in the methane tank into high-pressure methane, and then the scum or scum crusting is impacted and broken, so that sewage and partial methane can be discharged conveniently. The pneumatic shell breaking mechanism is not only beneficial to solving the problem that scum at the sewage liquid level blocks the discharge of treated sewage and methane; meanwhile, due to the fact that the biogas is used as power, the anaerobic environment in the reactor body cannot be damaged, the influence on anaerobic reaction is avoided, the biogas is used for breaking scum and then can be collected together with the biogas generated in the reactor body for recycling, the components of the biogas cannot be influenced, impurity gas cannot be brought into the biogas collected in the biogas cabinet, and the biogas can be utilized nearby and without loss.
(2) After the corrugated settling promoting plate is arranged, when sewage carrying activated sludge flows upwards, the corrugated plate surface is touched continuously, the balance between the sewage and the activated sludge is damaged, the capacity of the sewage carrying the activated sludge is reduced, the sludge is settled, and solid-liquid separation is realized. Meanwhile, when sewage passes through the corrugated settling promoting plate, the sewage forms disturbance in the horizontal direction due to the action of the corrugated flow channel, so that the flow state of the sewage is changed, and when the sewage in the flow state passes through the lower three-phase separator above, the sewage not only can be easily separated from methane, but also is beneficial to cleaning sludge deposited on the surface of the three-phase separator, and the separation capacity of the three-phase separator is improved.
(3) According to the anaerobic reactor, after the body injection pipe connected with the methane tank is arranged below the sedimentation promoting plate, the pressure pump and the valve on the second air inlet pipe can be started periodically, and the methane in the methane tank is used for carrying out high-speed impact on the surface of the sedimentation promoting plate so as to remove the sludge deposited on the surface of the sedimentation promoting plate, wherein the removal can be carried out during the period of not carrying out sewage treatment and is not influenced by whether the sewage treatment is carried out or not. Similarly, due to the fact that the biogas is used as power, the anaerobic environment in the reactor body cannot be damaged, the influence on anaerobic reaction is avoided, the sprayed biogas can be recycled, the components of the biogas cannot be influenced, impurity gas cannot be brought into the biogas collected in the biogas cabinet, and the near utilization and lossless utilization of the biogas are achieved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and not to limit the invention.
FIG. 1 is a schematic diagram of the mechanism of an anaerobic reactor for sewage treatment according to an embodiment of the present invention.
Fig. 2 is a top view of a pneumatic crust breaking mechanism in an embodiment of the invention.
FIG. 3 is a schematic diagram showing the distribution of settling promoting plates in an anaerobic reactor according to another embodiment of the present invention.
The scores in the above figures represent:
1-reactor body, 2-lower three-phase separator, 3-upper three-phase separator,
4-overflow weir, 5-exhaust pipe, 6-liquid sealer,
7-methane tank, 8-pneumatic shell breaking mechanism, 8.1-fixed rod,
8.2-gas distribution pipe, 8.3-annular positioning pipe, 8.4-gas nozzle,
8.5-a first air inlet pipe, 9-a pressure pump, 10-a water inlet,
11-a mud outlet, 12-a water outlet, 13-a settling promoting plate,
14-an injection pipe, 15-a second air inlet pipe, 16-a connecting rod,
17-valve.
Detailed Description
It is to be understood that the following detailed description is exemplary and is intended to provide further explanation of the invention as claimed. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise. Furthermore, it will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
For convenience of description, the words "up", "down", "left" and "right" in the present invention, if any, merely indicate that the directions of movement are consistent with those of the drawings, and do not limit the structure, but merely facilitate the description of the invention and simplify the description, rather than indicate or imply that the referenced device or element needs to have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.
Term interpretation section: the terms "mounted," "connected," "fixed," and the like in the present invention are to be understood in a broad sense, and for example, the terms "mounted," "connected," and "fixed" may be fixed, detachable, or integrated; the connecting lines may be mechanical, direct or indirect through an intermediate, and those skilled in the art will understand the specific meaning of the above terms in the present invention according to specific situations.
As described above, since the sewage needs to stay in the anaerobic reactor for a long time, scum is easily formed at the sewage level as the reaction proceeds, and in a severe case, incrustation is formed, which may hinder the discharge of the treated sewage and the discharge of biogas. Therefore, the present invention provides an anaerobic reactor for sewage treatment with a function of eliminating scum crusting, which is further described with reference to the attached drawings and the detailed description of the specification.
Referring to fig. 1 and 2, there is illustrated an anaerobic reactor for sewage treatment having a function of eliminating scum crusting, which mainly comprises: reactor body 1, lower floor's three-phase separator 2, upper strata three-phase separator 3, overflow weir 4, blast pipe 5, liquid seal ware 6, marsh gas cabinet 7, pneumatic broken shell mechanism 8 and force pump 9, wherein:
the reactor body 1 is a vertically arranged cylindrical steel tank body, and the lower part of the reactor body 1 is provided with a water inlet 10 and a sludge outlet 11 so as to conveniently drive sewage to be treated into the reactor body through the water inlet 10; the sludge outlet 11 is used for discharging sludge discarded in the reactor body 1 at a later stage. The utility model discloses a reactor body, including reactor body, pneumatic shell breaking mechanism, observation window, toughened glass, pneumatic shell breaking mechanism, sewage and marsh gas are broken through to the pneumatic shell breaking mechanism that starts when forming a large amount of dross crust, the reaction condition of inside sewage liquid level department is sealed to the roof of reactor body has seted up the observation window, and this observation window passes through toughened glass to start pneumatic shell breaking mechanism and break it when forming a large amount of dross or even dross crust, avoid sewage and marsh gas to pass through.
An upper layer three-phase separator and a lower layer three-phase separator are arranged in an inner cavity of the reactor body 1, namely the lower layer three-phase separator 2 and the upper layer three-phase separator 3, the three-phase separators are mainly used for separating solid, liquid and gas, in the process of carrying out anaerobic reaction treatment on sewage, organic matters in the sewage are decomposed by anaerobic microorganisms to generate methane, and meanwhile, activated sludge containing the anaerobic microorganisms flows upwards along with the sewage to form a solid-liquid-gas mixture flowing upwards at the same time.
The overflow weir 4 is fixed above the upper three-phase separator 3 in the inner cavity of the reactor body 1, and a water outlet 12 is arranged at the overflow weir 4. The sewage separated by the two-layer three-phase separator passes through the overflow weir 4 and the water outlet 12 and then is discharged out of the reactor for further treatment. The top wall of the reactor body 1 is communicated with a liquid seal device 6 so as to discharge biogas discharged when the pneumatic shell breaking mechanism 8 impacts scum at the sewage level or crusts thereof.
The lower three-phase separator 2 and the upper three-phase separator 3 are both communicated with an exhaust pipe 5, the exhaust pipe 5 is connected with a liquid seal device 6 fixed on the top surface of the reactor body 1, and the liquid seal device 6 is connected with a methane cabinet 7 outside the reactor body 1. The biogas generated in the reactor body 1 is separated by a three-phase separator, enters a liquid sealer 6 through an exhaust pipe 5, and is finally pumped into a biogas cabinet 7 for storage.
The pneumatic shell breaking mechanism 8 is fixed between the upper three-phase separator 3 and the overflow weir 4, and specifically: the pneumatic crust breaking mechanism 8 comprises: dead lever 8.1, gas distribution pipe 8.2 and annular registration arm 8.3, wherein: the fixing rod 8.1, the gas distribution pipe 8.2 and the annular positioning pipe 8.3 are all made of plastic materials, so that the reactor has better corrosion resistance on one hand, and is relatively lighter in weight on the other hand, and convenient to assemble and fix in the reactor body 1. Annular registration arm 8.3 is the loop configuration, the both ends of gas distribution pipe 8.2 are connected with the lower extreme and the annular registration arm 8.3 of dead lever 8.1 respectively, and 8.1 perpendicular annular registration arm 8.3 places horizontal plane of dead lever, a plurality of gas distribution pipe 8.2 is radial distribution between dead lever 8.1 and annular registration arm 8.3, gas distribution pipe 8.2 is the feed through state with annular registration arm 8.3, jet orifice 8.4 sets up on gas distribution pipe 8.2's upper surface. The pressure pump 9 is communicated with the gas distribution pipe 8.2 through a first gas inlet pipe 8.5, and a valve 17 is arranged on the first gas inlet pipe 8.5 so as to control the on-off of the methane. The upper end of the fixed rod 8.1 is fixed on the top wall of the reactor body 1, and the annular positioning tube 8.3 is fixedly connected with the inner wall of the reactor body 1 so as to increase the stability of the pneumatic shell breaking mechanism 8.
Through arranging the pneumatic shell breaking mechanism 8 between the upper three-phase separator 3 and the overflow weir 4, when scum or scum crusting is observed to be formed at the liquid level at the upper part in the reactor body 1, the pressure pump 9 is started to pressurize the methane in the methane cabinet 7 into high-pressure methane, and then the high-pressure methane is conveyed into the gas distribution pipe 8.2 through the first gas inlet pipe 8.5, and the high-pressure methane is sprayed from the gas nozzle 8.4 on the upper surface of the gas distribution pipe 8.2 to impact and break the scum or scum crusting so as to discharge sewage and partial methane. In addition, the pneumatic shell breaking mechanism 8 can be started at regular time to avoid scum from being formed at the liquid level at the upper part in the reactor body 1 or to avoid scum in the early stage from being broken and directly discharged with sewage. The pneumatic shell breaking mechanism 8 is not only beneficial to solving the problem that scum at the sewage level obstructs the discharge of treated sewage and methane; meanwhile, due to the fact that the biogas is used as power, the anaerobic environment in the reactor body 1 cannot be damaged, the influence on anaerobic reaction is avoided, the biogas is used for breaking scum and then can be collected together with the biogas generated in the reactor body 1 for recycling, the components of the biogas cannot be influenced, impurity gas cannot be brought into the biogas collected in the biogas cabinet, and the biogas can be utilized nearby and without loss.
With continued reference to fig. 1 and 3, in another embodiment, the anaerobic sewage treatment reactor with scum crust elimination function further comprises a settling promotion plate 13, wherein the settling promotion plate 13 is corrugated, a plurality of settling promotion plates 13 are vertically distributed below the lower three-phase separator 2, and the settling promotion plates 13 are distributed at intervals, that is, gaps are formed between adjacent settling promotion plates to facilitate the liquid phase and the gas phase to pass through. The deposition promoting plate 13 is fixed in the reactor body 1 through a connecting rod 16, and the connecting rod 16 is fixed on the inner wall of the reactor body 1.
After the sedimentation promoting plate 13 is arranged below the lower three-phase separator 2, sedimentation of activated sludge in sewage can be effectively promoted, so that solid-liquid separation between the sewage and the activated sludge is promoted, and the cleanliness of the sewage is improved. In traditional anaerobic reactor, the sewage after anaerobic reaction handles directly discharges through three-phase separator, nevertheless because the sewage of continuous upstream can carry partial activated sludge upward movement, not only leads to the waste water of discharge to be more muddy, and purifying effect is not good, can lead to activated sludge's in the reactor loss moreover, influences the processing of follow-up sewage. After the corrugated settling promoting plate 13 is arranged, when sewage carrying activated sludge flows upwards, the corrugated plate surface is touched continuously, the balance between the sewage and the activated sludge is damaged, the capacity of the sewage carrying the activated sludge is reduced, the sludge is settled, and solid-liquid separation is realized. Meanwhile, when sewage passes through the corrugated settling promoting plate 13, the sewage forms disturbance in the horizontal direction due to the action of the corrugated flow channel, so that the flow state of the sewage is changed, and when the sewage in the flow state passes through the lower three-phase separator 2 above, the sewage not only can be easily separated from methane, but also is beneficial to cleaning sludge deposited on the surface of the three-phase separator, and the separation capacity of the three-phase separator is improved.
With continued reference to fig. 1, in another embodiment, a gas injection pipe 14 is further disposed below the sinking promoting plate 13, the gas injection pipe 14 has a plurality of gas injection ports facing the sinking promoting plate 13, the gas injection pipe 14 is communicated with the pressure pump 9 through a second gas inlet pipe 15, and the second gas inlet pipe 15 is provided with a valve 17, so as to impact sludge and other sediments on the surface of the sinking promoting plate 13 with biogas.
With the increase of the service time, sludge is deposited on the surfaces of the sedimentation promoting plates 13, which easily causes the narrowing and even the blockage of the flow passages between the sedimentation promoting plates 13 and influences the passing of sewage. After the body injection pipe 14 connected with the methane tank is arranged below the sedimentation promoting plate 13, the pressure pump 9 and the valve 17 on the second air inlet pipe 15 can be started periodically, and the methane in the methane tank 7 is used for impacting the surface of the sedimentation promoting plate 13 at a high speed so as to remove the sludge deposited on the surface of the sedimentation promoting plate 13, wherein the removal can be carried out during the period of not carrying out sewage treatment without being influenced by whether the sewage treatment is carried out or not. Similarly, due to the fact that the biogas is used as power, the anaerobic environment in the reactor body 1 cannot be damaged, the influence on anaerobic reaction is avoided, the sprayed biogas can be recycled, the components of the biogas cannot be influenced, impurity gas cannot be brought into the biogas collected in the biogas cabinet, and the near utilization and lossless utilization of the biogas are achieved.
Finally, any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present invention shall be included in the protection scope of the present invention. Although the embodiments of the present invention have been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and it should be understood by those skilled in the art that various modifications and variations can be made without inventive efforts by those skilled in the art based on the technical solution of the present invention.
Claims (10)
1. An anaerobic reactor for sewage treatment with the function of eliminating scum crusting, which comprises:
the reactor comprises a reactor body, wherein the lower part of the reactor body is provided with a water inlet and a sludge outlet;
the lower-layer three-phase separator and the upper-layer three-phase separator are sequentially fixed in the inner cavity of the reactor body from bottom to top;
the overflow weir is fixed above the upper three-phase separator in the inner cavity of the reactor body, and a water outlet is arranged at the overflow weir;
the lower three-phase separator and the upper three-phase separator are communicated with the exhaust pipe, and the exhaust pipe is connected with a liquid seal device fixed on the top surface of the reactor body;
the biogas cabinet is positioned outside the reactor body, and the liquid seal device is connected with the biogas cabinet;
the pneumatic shell breaking mechanism is fixed between the upper three-phase separator and the overflow weir, a plurality of upward air nozzles are arranged on the pneumatic shell breaking mechanism, and the pneumatic shell breaking mechanism is connected with the methane cabinet through a pressure pump.
2. The anaerobic reactor for sewage treatment with the function of eliminating scum crusting according to claim 1, wherein the pneumatic crust breaking mechanism comprises: the novel gas distribution device comprises a fixing rod, a gas distribution pipe and an annular positioning pipe, wherein two ends of the gas distribution pipe are respectively connected with the lower end of the fixing rod and the annular positioning pipe, the fixing rod is perpendicular to the horizontal plane where the annular positioning pipe is located, the gas distribution pipe is radially distributed between the fixing rod and the annular positioning pipe and is in a communicated state, and a gas nozzle is arranged on the upper surface of the gas distribution pipe.
3. The anaerobic reactor for sewage treatment with function of eliminating scum crusting according to claim 2, wherein the pressure pump is communicated with the gas distribution pipe through a first gas inlet pipe, the upper end of the fixed rod is fixed on the top wall of the reactor body, and the annular positioning pipe is fixedly connected with the inner wall of the reactor body.
4. The anaerobic reactor for sewage treatment with the function of eliminating scum crusting according to claim 2, wherein the top wall of the reactor body is communicated with a liquid sealer.
5. The anaerobic reactor for sewage treatment with the function of eliminating scum crusting according to claim 2, wherein the fixed rod, the gas distribution pipe and the annular positioning pipe are all made of plastic materials.
6. The anaerobic reactor for sewage treatment with the function of eliminating scum crusting according to any one of claims 1 to 5, which is characterized in that the anaerobic reactor further comprises a plurality of settling promoting plates which are corrugated, and a plurality of settling promoting plates are vertically arranged below the lower layer three-phase separator and are distributed at intervals.
7. The anaerobic reactor for sewage treatment with the function of eliminating scum crusting according to claim 6, wherein the settling-promoting plate is fixed in the reactor body by connecting rods, and the connecting rods are fixed on the inner wall of the reactor body.
8. The anaerobic reactor for sewage treatment with the function of eliminating scum crusting according to claim 6, wherein the material of the settling-promoting plate comprises any one of plastic and stainless steel.
9. The anaerobic reactor for sewage treatment with the function of eliminating scum crusting according to claim 6, wherein a gas injection pipe is further arranged below the sedimentation promotion plate, and the gas injection pipe is communicated with the pressure pump through a second gas inlet pipe.
10. The anaerobic reactor for sewage treatment with the function of eliminating scum crusting according to claim 9, wherein an observation window is arranged on the top wall of the reactor body, and toughened glass is hermetically connected in the observation window; preferably, valves are arranged on the first air inlet pipe and the second air inlet pipe.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114538611A (en) * | 2022-04-25 | 2022-05-27 | 山东省食品药品检验研究院 | Sewage treatment plant is used in biological medicine production |
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| CN204625278U (en) * | 2015-05-15 | 2015-09-09 | 重庆泰克环保工程设备有限公司 | Box triphase separator |
| CN208087622U (en) * | 2018-02-09 | 2018-11-13 | 山东宝力生物质能源股份有限公司 | A kind of anti-crusting large size producing methane through anaerobic fermentation device |
| CN209162047U (en) * | 2018-10-11 | 2019-07-26 | 南京和润隆环保科技有限公司 | A kind of plug-flow reactor liquid level hulling machine |
| CN112777737A (en) * | 2020-12-22 | 2021-05-11 | 华中科技大学 | Device for preventing scum incrustation of anaerobic reactor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114538611A (en) * | 2022-04-25 | 2022-05-27 | 山东省食品药品检验研究院 | Sewage treatment plant is used in biological medicine production |
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Denomination of invention: A sewage treatment anaerobic reactor with the function of eliminating scum crusting Effective date of registration: 20230925 Granted publication date: 20220211 Pledgee: Bank of China Limited Jinan high tech sub branch Pledgor: SHANDONG YANGFAN ENVIRONMENTAL ENGINEERING CO.,LTD. Registration number: Y2023370000109 |