CN203428992U - Sewage treatment device for recycling digested sludge - Google Patents
Sewage treatment device for recycling digested sludge Download PDFInfo
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- CN203428992U CN203428992U CN201320296221.9U CN201320296221U CN203428992U CN 203428992 U CN203428992 U CN 203428992U CN 201320296221 U CN201320296221 U CN 201320296221U CN 203428992 U CN203428992 U CN 203428992U
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- mud
- sludge
- sludge digestion
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- sewage
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Abstract
The utility model provides a sewage treatment device for recycling digested sludge. The sewage treatment device for recycling digested sludge is mainly characterized by a multistage sewage treatment device which is provided with an internal circulation back flow and jet flow mixing or sewage discharging system or a stirring and mixing as well as pressure difference sewage discharging system; the sewage treatment device is composed of a sludge pretreatment space and a mud-water separating treatment unit; the upper part of the mud-water separating treatment unit is provided with a sewage treatment space, and the lower part of the mud-water separating treatment unit is provided with a sludge digesting chamber; accumulated digested sludge in the sludge digesting chamber is mixed and stirred, and is blended with sewage so as to form high-water-content muddy water, and the muddy water is discharged through the sewage discharging system for agricultural utilization. The sewage treatment device treats sewage and meanwhile converts the digested sludge into liquid muddy water for utilization, resources are utilized and secondary pollution is avoided, facilitating to energy conservation and emission reduction.
Description
Technical field
The utility model relates to a kind of sewage and sludge treatment equipment.
background technology
The key of sewage disposal is to have disposed sludge problem, if the mud in sewage treatment facility is not rationally processed, will affect draining water quality.In Rural areas, sanitary sewage such as can irrigate at the plantation aspect, but sewage is all producing every day, and irrigate, is intersexuality sometimes, does not easily carry out irrigation, and much water needs discharge.Sanitary sewage can produce mud after treatment, is rich in the nutriment in a fertilizer materials such as organism, ammonia nitrogen phosphorus in mud, can be for soil improvement, plant fertilising, in 1 year, the sludge quantity of accumulation is limited, for limited mud, utilizes, and more meets feature and the demand in rural area.Generally, in septic tank, sewage mixes with mud, fresh pollution continues to enter septic tank, without the mud of fully digestion and digested sludge in admixture, wherein still contain a large amount of pathogenic agent, and the mud in septic tank presents the different states such as settling, floating matter, and inconvenience is drawn clearly and utilized.Generally, mud forms thickened sludge after long deposition, and the poor fluidity of thickened sludge, is unfavorable for Collection and use.In relatively static anaerobic digestion environment, mud can be in the bottom of facility deposition, settled sludge is thickened sludge, its poor fluidity, if have sewage in container, take measures the settled sludge of poor fluidity to stir, thickened sludge is mixed with sewage and form high water content sludge or high-concentration sewage, mobility is just improved, and with regard to being more conducive to, carrying and utilizes.In traditional wastewater treatment technology, sewage contacts with mud, exists and disturbs each other, and in two-story sedimentation tank, settlement of sewage groove and sludge digestion are isolated in different spaces, have overcome each other and have disturbed, and sludge digestion degree is high, be suitable for agricultural, therefore, take technical measures, in the facility of mud-water separation, change digested sludge state and and carry out liquid state utilization, can, in the situation that not affecting sewage disposal, effectively realize the utilization of resources of fertilizer.
summary of the invention
The purpose of this utility model is the waste disposal plant of a kind of sludge digestion reuse of design.
Method of the present utility model is in a multistage waste disposal plant, the front end spaces of device is sludge pretreatment digestion space, first by sludge pretreatment, digest space precipitation interception large granular impurity thing, then sewage enters subsequent disposal space, subsequent disposal space is the mud-water separation processing unit of at least one-level, there is layer of mud water separating device at the middle part of mud-water separation processing unit, on muddy water separating device, be provided with and draw clearly exhaust-duct and be provided with heavy mud mouth, muddy water separating device is divided into upper and lower two spaces by mud-water separation processing unit, superjacent air space is sewage disposal space, lower side space is sludge digestion chamber, anaerobism or sewage disposal aerobic or precipitation can be carried out in sewage disposal space, the sludge settling that sewage disposal produces is in sludge digestion chamber, mud in sludge digestion chamber is progressively accumulated, sludge digestion through certain hour, when a part of mud is accumulated by sludge digestion chamber, and while retaining certain sewage, by inner circulating reflux jet mixing and drainage or be uniformly mixed and pressure reduction drainage, mud in sludge digestion chamber is mixed with sewage, form high-concentration sewage or high water content sludge, discharge muddy water also utilizes muddy water to carry out the soil utilizations such as plant fertilising or soil remediation.
The technical scheme of the utility model sludge digestion reused sewage treatment unit is that the sludge digestion system of a multi-stage sewage treatment process that has a two-story sedimentation structure is installed inner circulating reflux jet mixing and drainage or is uniformly mixed and the device of pressure reduction drainage, waste disposal plant is whole multi-stage sewage treatment device or the multi-stage sewage treatment device of separable assembled, the front end spaces of device is the sludge pretreatment digester unit of at least one lattice, sludge pretreatment digester unit passed through water hole mouth or communicating pipe connects mud-water separation processing unit, mud-water separation processing unit has one group of monomer at least or processes monomer series-connected by organizing mud-water separation more, there is muddy water separating device at the middle part that mud-water separation is processed monomer, muddy water separating device is processed monomer by mud-water separation and is divided into the sewage disposal space of top and the sludge digestion chamber of below, the high level of muddy water separating device be provided be communicated with sludge digestion chamber draw clearly exhaust-duct, low level place is provided with heavy mud mouth, in sludge digestion chamber and device outside be provided with inner circulating reflux jet mixing and drainage or be uniformly mixed and pressure reduction drainage, in space, sludge digestion chamber, there are mud suction mouth and blow-off pipe, outside blow-off pipe caterpillar, the one end, top of drawing clearly exhaust-duct exceeds liquid level, connection sludge digestion chamber, one end, below, heavy mud mouth is arranged the elbow of mouth or be provided with choke baffle plate below heavy mud mouth to having with side, the water hole mouth excessively that has respectively at least one Inlet and outlet water on the both sides pool wall in sewage disposal space, current are flat flow or deflector type, sewage disposal space is settling bath or the sewage treatment tank that pollution cutting device or filler are installed in mistake water cross section, or the sewage treatment tank of filler and aerating apparatus is installed, the top of device is open or has the top board of inspection port, the top of enclosed space is provided with vapor pipe.
The upper position of described inner circulating reflux jet mixing and drainage Shi sludge digestion chamber is installed blow-off pipe and is drawn sludge digestion chamber, on the indoor blow-off pipe of sludge digestion, at least one mud suction mouth is set, the outdoor blow-off pipe of sludge digestion is provided with valve and residual sea water pump, the blow-off pipe of residual sea water pump water outlet is provided with valve, in pipeline blowdown process, be provided with the return line of bypass, return line is provided with valve and introduces the indoor container bottom of sludge digestion, and the indoor return line of sludge digestion is provided with at least one jet orifice.
Described be uniformly mixed and pressure reduction drainage above mud-water separation processing unit or exterior lateral sides or draw clearly exhaust-duct and introduce whipping appts to the mud district of sludge digestion chamber bottom, indoor or draw clearly exhaust-duct and at least one mud suction mouth is installed and draws sludge digestion chamber auto levelizer by blow-off pipe outside in sludge digestion, install outside shore pipe and be provided with valve, the height of shore pipe is lower than the liquid level of waste disposal plant.
The multi-stage sewage treatment device of described integral body is that the pond body of finger device adopts multi-stage sewage treatment facility brick or that Steel Concrete is built, or the integral type sewage treatment unit that adopts plastics or matrix material or engineering materials to manufacture, on the partition wall of spaces at different levels, established water hole mouth and overflow ventilation and be communicated with hole, the mud district, bottom in spaces at different levels is separated by partition wall or has a connection hole.
The multi-stage sewage treatment device of described separable assembled refers to the monomeric unit in waste disposal plant is connected in series to the device forming, monomeric unit is to be made by reinforced concrete prefabricated container, or the monomeric unit container of being made by plastics or engineering materials, is connected by least one communicating pipe between each monomer.
The utility model is applicable to sanitary sewage disposal and the mud nutriment in a fertilizer in sanitary sewage is utilized, usefulness is to provide a kind of method and device that carries out the utilization of resources in sewage disposal, contribute to solve the problem of dissolving of mud in sanitary sewage, avoid secondary pollution, the method that provides organic fertilizer to utilize.
Accompanying drawing explanation
Below in conjunction with accompanying drawing and example, structure of the present utility model is further illustrated
Fig. 1 is the schematic diagram of the utility model embodiment 1.
Fig. 2 is the schematic diagram of the utility model embodiment 2.
Fig. 3 is the schematic diagram of the utility model embodiment 3.
In accompanying drawing, 1, water inlet pipe; 2, rising pipe; 3, pre-treatment digester unit; 4, muddy water separating device; 5, draw clearly exhaust-duct; 6, pond partition wall; 7, cross water hole mouth or be communicated with hole; 8, pollution cutting device or filler; 9, blow-off pipe; 10, return line; 11, valve; 12, residual sea water pump; 13, mud suction mouth; 14, jet orifice; 15, inspection port; 16, whipping appts; 17, communicating pipe; 18, mud-water separation sewage disposal space; 19, sludge digestion chamber;
Embodiment
Embodiment 1 is as shown in Figure 1 the digested sludge reused sewage treatment unit consisting of a lattice pre-treatment digester unit 3 and a lattice mud-water separation processing unit, the device that belongs to inner circulating reflux jet and drainage, there is water inlet pipe 1 one end in pre-treatment digester unit 3, in one end of mud-water separation processing unit, there is rising pipe 2, there is muddy water separating device 4 at mud-water separation processing unit middle part, mud-water separation processing unit is divided into the sludge digestion chamber 19 of the 18He bottom, sewage disposal space on top, the water-carrying section in sewage disposal space 18 is provided with filler, there are mud suction mouth 13 and blow-off pipe 9 in the middle part of sludge digestion chamber 19, the residual sea water pump 12 of blow-off pipe 9 coupling device outsides is also guided outside into, the return line 10 that has bypass in the water outlet direction of residual sea water pump 12, return line 10 is introduced the bottom of sludge digestion chamber 19, end at return line 10 is provided with jet orifice 14.
Embodiment 2 is as shown in Figure 2 the digested sludge reused sewage treatment unit that consist of a lattice pre-treatment digester unit 3 and a lattice mud-water separation processing unit, belong to and be uniformly mixed and the device of pressure reduction drainage, there is water inlet pipe 1 one end in pre-treatment digester unit 3, in one end of mud-water separation processing unit, there is rising pipe 2, there is muddy water separating device 4 at mud-water separation processing unit middle part, mud-water separation processing unit is divided into the sludge digestion chamber 19 of the 18He bottom, sewage disposal space on top, the water-carrying section in sewage disposal space 18 is provided with filler, there are mud suction mouth 13 and blow-off pipe 9 in the middle part of sludge digestion chamber 19, blow-off pipe 9 is drawn out to the outside of device, the height of blow-off pipe 9 is lower than the liquid level in device, on the top of mud-water separation processing unit, introduce whipping appts 16 downwards until the bottom of sludge digestion chamber 19.
Claims (3)
1. the waste disposal plant of a digested sludge reuse, be primarily characterized in that it is that the sludge digestion system of a multi-stage sewage treatment process that has a two-story sedimentation structure is installed inner circulating reflux jet mixing and drainage or is uniformly mixed and the device of pressure reduction drainage, waste disposal plant is whole multi-stage sewage treatment device or the multi-stage sewage treatment device of separable assembled, the front end spaces of device is the sludge pretreatment digester unit of at least one lattice, sludge pretreatment digester unit passed through water hole mouth or communicating pipe connects mud-water separation processing unit, mud-water separation processing unit has one group of monomer at least or processes monomer series-connected by organizing mud-water separation more, there is muddy water separating device at the middle part that mud-water separation is processed monomer, muddy water separating device is processed monomer by mud-water separation and is divided into the sewage disposal space of top and the sludge digestion chamber of below, the high level of muddy water separating device be provided be communicated with sludge digestion chamber draw clearly exhaust-duct, low level place is provided with heavy mud mouth, in sludge digestion chamber and device outside be provided with inner circulating reflux jet mixing and drainage or be uniformly mixed and pressure reduction drainage, in space, sludge digestion chamber, there are mud suction mouth and blow-off pipe, outside blow-off pipe caterpillar, the one end, top of drawing clearly exhaust-duct exceeds liquid level, connection sludge digestion chamber, one end, below, heavy mud mouth is arranged the elbow of mouth or be provided with choke baffle plate below heavy mud mouth to having with side, the water hole mouth excessively that has respectively at least one Inlet and outlet water on the both sides pool wall in sewage disposal space, sewage disposal space is settling bath or the sewage treatment tank that pollution cutting device or filler are installed in mistake water cross section, or the sewage treatment tank of filler and aerating apparatus is installed, the top of device is open or has the top board of inspection port, the top of enclosed space is provided with vapor pipe.
2. the waste disposal plant of digested sludge reuse according to claim 1, the upper position that it is characterized in that described inner circulating reflux jet mixing and drainage Shi sludge digestion chamber is installed blow-off pipe and draws sludge digestion chamber, on the indoor blow-off pipe of sludge digestion, at least one mud suction mouth is set, the outdoor blow-off pipe of sludge digestion is provided with valve and residual sea water pump, the blow-off pipe of residual sea water pump water outlet is provided with valve, in pipeline blowdown process, be provided with the return line of bypass, return line is provided with valve and introduces the indoor container bottom of sludge digestion, the indoor return line of sludge digestion is provided with at least one jet orifice.
3. the waste disposal plant of digested sludge reuse according to claim 1, described in it is characterized in that, be uniformly mixed and pressure reduction drainage above mud-water separation processing unit or exterior lateral sides or draw clearly exhaust-duct and introduce whipping appts to the mud district of sludge digestion chamber bottom, indoor or draw clearly exhaust-duct and at least one mud suction mouth is installed and draws sludge digestion chamber auto levelizer by blow-off pipe outside in sludge digestion, install outside shore pipe and be provided with valve, the height of shore pipe is lower than the liquid level of waste disposal plant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320296221.9U CN203428992U (en) | 2013-05-18 | 2013-05-18 | Sewage treatment device for recycling digested sludge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320296221.9U CN203428992U (en) | 2013-05-18 | 2013-05-18 | Sewage treatment device for recycling digested sludge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203428992U true CN203428992U (en) | 2014-02-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320296221.9U Expired - Fee Related CN203428992U (en) | 2013-05-18 | 2013-05-18 | Sewage treatment device for recycling digested sludge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203428992U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104843866A (en) * | 2015-05-11 | 2015-08-19 | 扬州大学 | Sewage disposal method with low sludge yield and low energy consumption |
-
2013
- 2013-05-18 CN CN201320296221.9U patent/CN203428992U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104843866A (en) * | 2015-05-11 | 2015-08-19 | 扬州大学 | Sewage disposal method with low sludge yield and low energy consumption |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140212 Termination date: 20140518 |