CN217103506U

CN217103506U - Municipal sludge biofilm fermentation device

Info

Publication number: CN217103506U
Application number: CN202221127698.XU
Authority: CN
Inventors: 冯国成; 林庆锋; 高智杨; 黎新泽; 邵成志
Original assignee: Guangning Aoyin Environmental Engineering Technology Co ltd
Current assignee: Guangning Aoyin Environmental Engineering Technology Co ltd
Priority date: 2022-05-12
Filing date: 2022-05-12
Publication date: 2022-08-02
Anticipated expiration: 2032-05-12

Abstract

The utility model provides a municipal sludge biofilm fermentation device, including air-blower, air heater, multi-way valve, perforation tuber pipe, micropore biomembrane, dustcoat and deodorizing filter, wherein the air outlet of air-blower passes through pipeline and air heater's air intake connection, air heater's air outlet passes through the pipeline and is connected with the multi-way valve, be connected with a plurality of parallel interval arrangement's perforation tuber pipe on the multi-way valve, perforation has all evenly been arranged on every perforation tuber pipe surface, and mud is piled up on the perforation tuber pipe and is covered through the micropore biomembrane, and the dustcoat covers the micropore biomembrane, the dustcoat passes through the blast pipe and is connected with deodorizing filter. This municipal sludge biofilm fermentation device simple structure, reasonable in design can guarantee that the oxygen suppliment is even with temperature distribution, maintains the internal and external air current balance of biofilm, guarantees that aerobic fermentation is abundant thorough to can get rid of secondary pollution through setting up deodorizing filter.

Description

Municipal sludge biofilm fermentation device

Technical Field

The utility model relates to a fermenting installation, concretely relates to municipal sludge biofilm fermenting installation.

Background

For a typical municipal sewage plant, the cost of sludge treatment accounts for about 40% of the total cost. In order to solve the problems, the research and development of an economical and efficient new sewage biological treatment denitrification process becomes a key.

The biomembrane method is a biological treatment method for degrading nutrient substances in sewage by adding filler to enable microorganisms to grow and proliferate on the surface of the filler to form an activated sludge biomembrane, can realize a relatively constant climatic environment by utilizing the semi-permeable function of the microporous biomembrane, and is beneficial to fermentation. Compared with the activated sludge process, it is convenient to manage and has a very low excess sludge yield. And the biofilm method is beneficial to the growth of anaerobic ammonia oxidation bacteria and nitrifying bacteria with long generation period and low proliferation speed, and is beneficial to the realization of enhanced denitrification ways such as anaerobic ammonia oxidation, synchronous nitrification and denitrification and the like. However, the existing sludge biological fermentation device mainly has the following technical problems: (1) the whole structure is complex, and the fermentation environment is not easy to control; (2) the oxygen supply and the temperature distribution are not uniform, the air flow in the biological membrane body and the air flow out of the biological membrane body are not balanced, and the aerobic fermentation can not be ensured to be full and thorough; (3) will release organic matters and ammonia nitrogen, etc., to cause secondary pollution.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a municipal sludge biofilm fermentation device, simple structure can guarantee that the oxygen suppliment is even with temperature distribution, maintains the internal and external air current balance of biomembrane, guarantees that aerobic fermentation is abundant thorough to can get rid of secondary pollution through setting up deodorizing filter.

In order to realize the technical scheme, the utility model provides an urban sludge biofilm fermentation device, including air-blower, air heater, multi-way valve, perforation tuber pipe, micropore biofilm, dustcoat and deodorizing filter, wherein the air outlet of air-blower passes through pipeline and air heater's air intake connection, air heater's air outlet passes through the pipeline and is connected with the multi-way valve, be connected with a plurality of parallel interval arrangement's perforation tuber pipe on the multi-way valve, perforation has all evenly been arranged on every perforation tuber pipe surface, and mud is piled up on the perforation tuber pipe and is covered through the micropore biofilm, and the dustcoat covers the micropore biofilm, the dustcoat passes through the blast pipe and is connected with deodorizing filter.

In the technical scheme, during actual work, air is conveyed into the air heater through the air blower, the air is heated to the temperature suitable for fermentation through the air heater, then the heated air is uniformly conveyed into the sludge pile covered by the microporous biological membrane through the perforated air pipes through the multi-way valve, the uniform air distribution at each position of the sludge pile is ensured, the overall temperature of fermentation can be controlled through the air heater, the fermentation efficiency is improved, a relatively constant fermentation environment can be realized through the semi-permeable function of the microporous biological membrane, a micro high-pressure inner cavity can be formed in the microporous biological membrane under the action of air blowing, so that oxygen is uniformly and fully supplied into the sludge pile, the temperature distribution is uniform, a suitable small environment is constructed for aerobic fermentation, and meanwhile, water vapor and carbon dioxide can be diffused out through the microporous structure of the microporous biological membrane, the air flow balance inside and outside the membrane of the fermentation pile is maintained, and the aerobic fermentation is ensured to be carried out more fully and thoroughly. Can collect the gaseous pollutants that the fermentation produced through the dustcoat that sets up in the biomembrane outside, then carry and outwards discharge again after carrying out deodorization filtration in the deodorization filter, avoid causing the secondary pollution of air.

Preferably, install the main air intake valve on the pipeline that air heater air outlet and multi-ported valve are connected, can the effective control total air supply volume through setting up the main air intake valve, conveniently adjust according to the fermentation condition.

Preferably, the exhaust pipe is provided with an air outlet valve, so that the exhaust amount can be controlled according to the actual fermentation condition.

Preferably, all install a plurality of thermometers on the every perforation tuber pipe, can monitor everywhere temperature condition in the mud heap in real time through the thermometer to adjust the air feed temperature.

Preferably, the air conditioner further comprises a control cabinet, the control cabinet is electrically connected with the air blower, the air heater, the multi-way valve, the main air inlet valve, the air outlet valve and the thermometer respectively, and the control and adjustment of the air blower, the air heater, the multi-way valve, the main air inlet valve and the air outlet valve can be achieved through the control cabinet.

The utility model provides a pair of municipal sludge biofilm fermentation device's beneficial effect lies in: this municipal sludge biofilm fermentation device simple structure, reasonable in design can guarantee that the oxygen suppliment is even with temperature distribution, maintains the internal and external air current balance of biofilm, guarantees that aerobic fermentation is abundant thorough to can get rid of secondary pollution through setting up deodorizing filter. During actual work, air is conveyed into the air heater through the air blower, the air is heated to the temperature suitable for fermentation through the air heater, then the heated air is uniformly conveyed into the sludge pile covered by the microporous biological membrane through the perforated air pipes through the multi-way valve, the uniform air distribution at each position of the sludge pile is ensured, the overall fermentation temperature can be controlled through the air heater, the fermentation efficiency is improved, a more constant fermentation environment can be realized through the semi-permeation function of the microporous biological membrane, a micro high-pressure inner cavity can be formed in the microporous biological membrane under the action of air blowing, so that the oxygen supply in the sludge pile is uniform and sufficient, the temperature distribution is uniform, a suitable small environment is established for aerobic fermentation, meanwhile, water vapor and carbon dioxide can be diffused out by virtue of the microporous structure of the microporous biological membrane, and the balance of air flow inside and outside the fermentation pile body membrane is maintained, ensuring that the aerobic fermentation is carried out more fully and thoroughly. Can collect the gaseous pollutants that the fermentation produced through the dustcoat that sets up in the biomembrane outside, then carry to and carry out the deodorization and filter in the deodorization filter and outwards discharge again, avoid causing the secondary pollution of air.

Drawings

Fig. 1 is a schematic diagram of the connection of the device of the present invention.

In the figure: 1. a blower; 2. an air heater; 3. a main intake valve; 4. a multi-way valve; 5. perforating an air pipe; 6. a thermometer; 7. a microporous biofilm; 8. a housing; 9. an air outlet valve; 10. an exhaust pipe; 11. a deodorizing filter; 12. a control cabinet.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments obtained by a person skilled in the art without any inventive step are within the scope of the present invention.

Example (b): a municipal sludge biofilm fermentation device.

Referring to fig. 1, a municipal sludge biofilm fermentation device comprises an air blower 1, an air heater 2, a multi-way valve 4, perforated air pipes 5, a microporous biofilm 7, an outer cover 8 and a deodorizing filter 11, wherein an air outlet of the air blower 1 is connected with an air inlet of the air heater 2 through a pipeline, the air blower 1 is used for providing oxygen for fermentation to a system and keeping a certain pressure environment, an air outlet of the air heater 2 is connected with the multi-way valve 4 through a pipeline, the multi-way valve 4 is connected with a plurality of perforated air pipes 5 which are arranged in parallel at intervals, perforations are uniformly arranged on the surface of each perforated air pipe 5, the multi-way valve 4 is used for uniformly distributing air heated by the air heater 2 to a sludge pile through the plurality of perforated air pipes 5, and an air inlet main valve 3 is arranged on the pipeline connecting the air outlet of the air heater 2 and the multi-way valve 4, the total gas supply amount can be effectively controlled by arranging the gas inlet main valve 3, the adjustment can be conveniently carried out according to the fermentation condition, a plurality of thermometers 6 are arranged on each perforated air pipe 5, the temperature conditions of all parts in a sludge pile can be monitored in real time through the thermometers 6, the gas supply temperature can be adjusted, the sludge is piled on the perforated air pipes 5 and is covered by the microporous biological membrane 7, the microporous biological membrane 7 has the function of realizing a more constant fermentation environment through the semi-permeation function of the microporous biological membrane 7, the microporous biological membrane 7 is covered by the outer cover 8, the outer cover 8 has the function of collecting the pollution gas generated by the fermentation, the outer cover 8 is connected with the deodorization filter 11 through the exhaust pipe 10, the pollution gas generated by the fermentation can be discharged outwards after passing through the deodorization filter 11 during the actual work, the secondary pollution of the air is avoided, and the gas outlet valve 9 is arranged on the exhaust pipe 10, can realize the control to the displacement according to the fermentation condition of reality, this device still includes switch board 12, switch board 12 respectively with air-blower 1, air heater 2, multi-way valve 4, air inlet main valve 3, air outlet valve 9 and thermometer 6 electric connection, can realize the control regulation of air-blower 1, air heater 2, multi-way valve 4, air inlet main valve 3, air outlet valve 9 through switch board 12, ensure the steady operation of system.

This municipal sludge biofilm fermentation device simple structure, reasonable in design can guarantee that the oxygen suppliment is even with temperature distribution, maintains the internal and external air current balance of biofilm, guarantees that aerobic fermentation is abundant thorough to can get rid of secondary pollution through setting up deodorizing filter. During actual work, air is conveyed into the air heater 2 through the air blower 1, the air is heated to the temperature suitable for fermentation through the air heater 2, then the heated air is uniformly conveyed into the sludge pile covered by the microporous biological membrane 7 through the perforated air pipes 5 through the multi-way valve 4, the uniform air distribution at each position of the sludge pile is ensured, the overall temperature of fermentation can be controlled through the air heater 2, the fermentation efficiency is improved, a more constant fermentation environment can be realized through the semi-permeable function of the microporous biological membrane 7, a micro high-pressure inner cavity can be formed in the microporous biological membrane 7 under the action of blowing, so that oxygen supply in the sludge pile is uniform and sufficient, the temperature distribution is uniform, a suitable small environment is constructed for aerobic fermentation, and meanwhile, water vapor and carbon dioxide can be diffused out by means of the microporous structure of the microporous biological membrane 7, the air flow balance inside and outside the membrane of the fermentation pile is maintained, and the aerobic fermentation is ensured to be carried out more fully and thoroughly. The polluted gas generated by fermentation can be collected by the outer cover 8 arranged outside the microporous biofilm cover 7, and then is conveyed into the deodorizing filter 11 to be deodorized and filtered and then discharged, so that the secondary pollution of air is avoided.

The above description is a preferred embodiment of the present invention, but the present invention should not be limited to the disclosure of the embodiment and the accompanying drawings, and therefore, all equivalents and modifications that can be accomplished without departing from the spirit of the present invention are within the protection scope of the present invention.

Claims

1. The utility model provides a municipal sludge biofilm fermentation device which characterized in that includes: air-blower, air heater, multi-way valve, perforation tuber pipe, micropore biomembrane, dustcoat and deodorizing filter, wherein the air outlet of air-blower passes through the air intake connection of pipeline with air heater, air heater's air outlet passes through the pipeline and is connected with the multi-way valve, be connected with the perforation tuber pipe of a plurality of parallel interval arrangements on the multi-way valve, every perforation tuber pipe surface has evenly arranged the perforation, and mud is piled up on the perforation tuber pipe and is covered through the micropore biomembrane, and the dustcoat covers the micropore biomembrane, the dustcoat passes through the blast pipe and is connected with deodorizing filter.

2. The municipal sludge biofilm fermentation device of claim 1, wherein: an air inlet main valve is arranged on a pipeline connecting an air outlet of the air heater and the multi-way valve.

3. The municipal sludge biofilm fermentation device of claim 2, wherein: an air outlet valve is arranged on the exhaust pipe.

4. The municipal sludge biofilm fermentation device of claim 3, wherein: and a plurality of thermometers are arranged on each perforated air pipe.

5. The municipal sludge biofilm fermentation device of claim 4, wherein: the air conditioner further comprises a control cabinet, and the control cabinet is electrically connected with the air blower, the air heater, the multi-way valve, the air inlet main valve, the air outlet valve and the thermometer respectively.