CN202785930U - Sludge hydrolysis acidizing system - Google Patents
Sludge hydrolysis acidizing system Download PDFInfo
- Publication number
- CN202785930U CN202785930U CN201220501500XU CN201220501500U CN202785930U CN 202785930 U CN202785930 U CN 202785930U CN 201220501500X U CN201220501500X U CN 201220501500XU CN 201220501500 U CN201220501500 U CN 201220501500U CN 202785930 U CN202785930 U CN 202785930U
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- water
- hot
- mud
- sludge
- hot water
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/52—Heat recovery pumps, i.e. heat pump based systems or units able to transfer the thermal energy from one area of the premises or part of the facilities to a different one, improving the overall efficiency
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/20—Sludge processing
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
A sludge hydrolysis acidizing system relates to the technical field of hydrolysis acidizing of sludge. According to the sludge hydrolysis acidizing system, 12 DEG C-outlet water of an existing secondary sedimentation tank in sewage treatment process is adopted to provide a heat source for a plate-type heat exchange device. In the plate-type heat exchange device, cold water entering from a cold water tank exchanges heat with the outlet water of the secondary sedimentation tank, and cold water with increased temperature is obtained and enters a heat pump device. Under the condition of inputting electric energy, a heat pump system abstracts heat from a water source exchanging heat with outlet water of the secondary sedimentation tank and conducts the heat to a water source entering from a hot water tank through acting, the water source exchanges the heat with sludge in the sludge exchanger to enable the sludge to be primarily heated. Simultaneously, the heat source enters a jacket out of an inner drum body to enable temperature of the sludge entering the inner drum body to be increased till the temperature required by hydrolysis is achieve.
Description
Technical field
The utility model relates to the Hydrolysis Acidification of mud, is specifically related to application and the system and device thereof of a kind of heat pump techniques in sludge hydrolysis, acidification.
Background technology
Mud is the by product that produces in municipal sewage plant's sewage treatment process, and there is " the light mud of heavy water " phenomenon in China's construction of municipal effluent plant, and most mud can not get the processing disposal of safe and reasonable all the time.
The acidication of mud is processed, to come lignin-sludge with biochemical mode, it has utilized the acidication stage in the anaerobic sludge digestion, organic matter in the mud becomes low-molecular-weight organic acid under anaerobism and certain temperature effect, dehydration property and the stability of mud have been improved, destroy and controlled the pathogenic microorganism in the mud, reduced the volume of mud, to have established technique basic for follow-up processing such as dehydration that further utilize useful component in the mud and mud.
Existing heating means for mud are utilized outside steam direct heating and the pond two kinds of preheatings.
Steam direct heating is exactly in the pond directly that injecting steam heats mud, this method reduced investment, simple to operate, and thermo-efficiency is high.But the mud around the vapour pipe has superheating phenomenon, affects the normal activity of microorganism in the pond.
Outside the pond mud being heated is exactly to adopt double-pipe exchanger, and mud flows in inner tube, and hot water flows in two-layer sleeve pipe, calculates by heat exchange, and when hot water was heating agent, the general requirement water temperature was 60-90 ℃.For thermal source is provided, usually need to adopt boiler to prepare hot water, boiler systems consumes mass energy, needs fire coal, combustion gas or fuel oil, can produce the pollutions such as waste water,waste gas and industrial residue and flue dust in the combustion processes.In this way heat supply does not have the mud superheating phenomenon, but its facility investment is large, running cost is high, and environmental pollution is heavy.
Summary of the invention
The utility model purpose is the drawback for existing mud pre-heating mean, proposes a kind of sludge hydrolysis, acidification system of energy-conservation, low operating cost.
The utility model comprises into mud system and sludge hydrolysis, acidification tank; Describedly enter the mud system and comprise that mud storage tank and an end and sludge storage are tank connected and advance the mud spiral pump; Described sludge hydrolysis, acidification tank comprises inner barrel and is arranged on the outer chuck of inner barrel, and agitator is set in inner barrel, in described inner barrel upper end sludge inlet is set, and in described inner barrel lower end the mud discharge port is set; It is characterized in that: hot water inlet and hot water outlet are set respectively on described chuck; Described sludge hydrolysis, acidification system also comprises circulating heat exchange system, and the hot water inlet on the described chuck is connected with described circulating heat exchange system with hot water outlet.
The utility model adopt circulating heat exchange system for the sludge hydrolysis, acidification tank provide constant temperature with uniform temperature to guarantee that microorganism lives in the mud souring tank under optimum envrionment temperature, realize the maximization of the sour efficient of product.
Circulating heat exchange system described in the utility model comprises plate type heat exchanger, thermal-pump unit, muddy water interchanger, cold water tank, water supply pump, hot-water cylinder and hot water pump; Plate type heat exchanger is provided with thermal source import, thermal source outlet, cooling water inlet and cooling water outlet; Thermal-pump unit is provided with hot water inlet, hot water outlet, cooling water inlet and cooling water outlet; The muddy water interchanger is provided with mud inlet, mud mouth, hot water inlet and hot water outlet; Cold water tank is provided with water-in and water outlet; Hot-water cylinder is provided with water-in and water outlet; The water outlet of described cold water tank is connected to by water supply pump on the cooling water inlet of plate type heat exchanger, and the cooling water outlet of plate type heat exchanger is connected on the cooling water inlet of thermal-pump unit, and the cooling water outlet of thermal-pump unit is connected with the water-in of cold water tank; The water outlet of described hot-water cylinder is connected with the hot water inlet of thermal-pump unit by hot water pump, the hot water outlet of thermal-pump unit is connected with the hot water inlet of muddy water interchanger, the hot water outlet of muddy water interchanger is connected with the hot water inlet of chuck, and the hot water outlet of chuck is connected with the water-in of hot-water cylinder; The described the other end that advances the mud spiral pump is connected on the mud inlet of muddy water interchanger, and the mud mouth of described muddy water interchanger is connected on the sludge inlet of described inner barrel.
Thermal source of the present utility model can adopt that existing second pond water outlet with 12 ℃ provides thermal source for plate type heat exchanger in the sewage treatment process, in plate type heat exchanger, carry out heat exchange by cold water and second pond water outlet that cold water tank enters, the cold water that obtains heating up enters thermal-pump unit.In the situation of input electric energy, heat pump extracts heat from the water source of second pond water outlet heat exchange, the water source that the heat transferred hot-water cylinder is entered by acting, again with the muddy water interchanger in mud carry out heat exchange, mud is tentatively heated up.Simultaneously, this thermal source enters in the outer chuck of inner barrel, and the mud that enters inner barrel is heated up again, until it is temperature required to reach hydrolysis.
The utility model also also is connected with the water-in of hot-water cylinder at the hot water outlet of muddy water interchanger.Its objective is, when temperature in the chuck is enough high, can be directly directly refluxes and enter hot-water cylinder in thermal-pump unit, carrying out hot water after the heat exchange with mud, in case too high temperature is to making hydrolysis temperature too high.
In order further to ensure the even water temperature in the chuck, the utility model also can arrange spiral deflector in chuck.
In order to prevent that further local temperature is irregular in the inner barrel, when being flowed, mud is turbulent state in cylinder, mix more evenly, to improve the efficient that is hydrolyzed, also the tangential turbulence plate of hollow can be set at the inwall of described inner barrel.
The advantage that the utlity model has is:
1, sludge reduction: the mud of municipal sewage plant adopts biochemical mode to process, than other sludge treating methods such as landfill, burning etc., its mild condition, the energy consumption nutritive substances such as organic acid little, output also can carry out follow-up deep development utilization, on the other hand, the acidication of mud can be realized mud decrement, improves the dewatering of mud.
2, green heat transfer technology: based on the heat-exchange system of heat pump techniques application, save the boiler combustion systems such as fire coal, fuel oil, combustion gas during its heat supply, without combustion processes, avoided the discharging of waste gas, waste water, waste residue, flue dust, very friendly to environment, be green heat supply process.
3, energy-efficient: based on the heat-exchange system that water source heat pump technology is used, its Energy Efficiency Ratio is high, and than other heat supply process, its operational efficiency is high, economic operating cost.
4, water saving economizes ground: the heat-exchange system based on water source heat pump technology is used, utilize this renewable energy source of second pond water outlet, and do not consume water resources, can not pollute it; Saved the facilities such as boiler house and attached coal yard, oil storage room, saved the space, also be conducive to unique and see.
5, stable, easy to maintenance: based on the heat-exchange system of water source heat pump technology application, with the second pond water outlet as thermal source, utilize the more constant characteristic of its water temperature, so that the heat pump set operation is more reliable, stable, also guaranteed high efficiency and the economy of system; Because system is simple, the unit parts are few, stable, so maintenance cost is low, long service life.
Description of drawings
Fig. 1 is structure principle chart of the present utility model.
Fig. 2 is the structural representation of sludge hydrolysis, acidification tank.
Fig. 3 is that the A-A of Fig. 2 is to sectional drawing.
Fig. 4 is that the B-B of Fig. 2 is to sectional drawing.
Embodiment
As shown in Figure 1, the utility model is provided with into mud system, sludge hydrolysis, acidification tank and circulating heat exchange system.
Advance the mud system comprise mud storage tank 1 with is connected that end is connected with mud storage tank 1 advance mud spiral pump 2.
Shown in Fig. 2,3 and 4, sludge hydrolysis, acidification tank 6 comprises inner barrel 61 and the chuck 62 that is arranged on outside the inner barrel 61.At the inner barrel 61 interior agitators 63 that arrange, the motor 64 that is connected with agitator 63 is set above sludge hydrolysis, acidification tank 6.In inner barrel 61 upper ends sludge inlet 65 is set, the lower end arranges mud discharge port 66, and the inwall of inner barrel 61 arranges the tangential turbulence plate 67 of hollow.
At the chuck 62 interior spiral deflectors 610 that arrange, hot water inlet 68 and hot water outlet 69 are set respectively on chuck 62.
As shown in Figure 1, circulating heat exchange system comprises plate type heat exchanger 3, thermal-pump unit 4, muddy water interchanger 5, cold water tank 9, water supply pump 10, hot-water cylinder 7 and hot water pump 8.
The water outlet of cold water tank 9 is connected to by water supply pump 10 on the cooling water inlet of plate type heat exchanger 3, and the cooling water outlet of plate type heat exchanger 3 is connected on the cooling water inlet of thermal-pump unit 4, and the cooling water outlet of thermal-pump unit 4 is connected with the water-in of cold water tank 9.
The water outlet of hot-water cylinder 7 is connected with the hot water inlet of thermal-pump unit 4 by hot water pump 8, the hot water outlet of thermal-pump unit 4 is connected with the hot water inlet of muddy water interchanger 5, the hot water outlet of muddy water interchanger 5 is connected with the hot water inlet 68 of chuck 62, and the hot water outlet 69 of chuck 62 is connected with the water-in of hot-water cylinder 7.Hot water inlet 68 at chuck 62 arranges control valve 11.
On the hot water outlet of muddy water interchanger 5, also be connected by the water-in of pipeline with hot-water cylinder 7, and at this pipeline serial connection control valve 12.
The other end that advances mud spiral pump 2 is connected on the mud inlet of muddy water interchanger 5, and the mud mouth of muddy water interchanger 5 is connected on the sludge inlet 65 of inner barrel 61.
Claims (5)
1. a sludge hydrolysis, acidification system comprises into mud system and sludge hydrolysis, acidification tank; Describedly enter the mud system and comprise that mud storage tank and an end and sludge storage are tank connected and advance the mud spiral pump; Described sludge hydrolysis, acidification tank comprises inner barrel and is arranged on the outer chuck of inner barrel, and agitator is set in inner barrel, in described inner barrel upper end sludge inlet is set, and in described inner barrel lower end the mud discharge port is set; It is characterized in that: hot water inlet and hot water outlet are set respectively on described chuck; Described sludge hydrolysis, acidification system also comprises circulating heat exchange system, and the hot water inlet on the described chuck is connected with described circulating heat exchange system with hot water outlet.
2. described sludge hydrolysis, acidification system according to claim 1, it is characterized in that: described circulating heat exchange system comprises plate type heat exchanger, thermal-pump unit, muddy water interchanger, cold water tank, water supply pump, hot-water cylinder and hot water pump; Plate type heat exchanger is provided with thermal source import, thermal source outlet, cooling water inlet and cooling water outlet; Thermal-pump unit is provided with hot water inlet, hot water outlet, cooling water inlet and cooling water outlet; The muddy water interchanger is provided with mud inlet, mud mouth, hot water inlet and hot water outlet; Cold water tank is provided with water-in and water outlet; Hot-water cylinder is provided with water-in and water outlet; The water outlet of described cold water tank is connected to by water supply pump on the cooling water inlet of plate type heat exchanger, and the cooling water outlet of plate type heat exchanger is connected on the cooling water inlet of thermal-pump unit, and the cooling water outlet of thermal-pump unit is connected with the water-in of cold water tank; The water outlet of described hot-water cylinder is connected with the hot water inlet of thermal-pump unit by hot water pump, the hot water outlet of thermal-pump unit is connected with the hot water inlet of muddy water interchanger, the hot water outlet of muddy water interchanger is connected with the hot water inlet of chuck, and the hot water outlet of chuck is connected with the water-in of hot-water cylinder; The described the other end that advances the mud spiral pump is connected on the mud inlet of muddy water interchanger, and the mud mouth of described muddy water interchanger is connected on the sludge inlet of described inner barrel.
3. described sludge hydrolysis, acidification system according to claim 2, it is characterized in that: the hot water outlet at the muddy water interchanger also is connected with the water-in of hot-water cylinder.
4. described sludge hydrolysis, acidification system according to claim 1 is characterized in that: spiral deflector is set in chuck.
5. described sludge hydrolysis, acidification system according to claim 1, it is characterized in that: the inwall at described inner barrel arranges the tangential turbulence plate of hollow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220501500XU CN202785930U (en) | 2012-09-27 | 2012-09-27 | Sludge hydrolysis acidizing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220501500XU CN202785930U (en) | 2012-09-27 | 2012-09-27 | Sludge hydrolysis acidizing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202785930U true CN202785930U (en) | 2013-03-13 |
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ID=47813236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220501500XU Withdrawn - After Issue CN202785930U (en) | 2012-09-27 | 2012-09-27 | Sludge hydrolysis acidizing system |
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| CN (1) | CN202785930U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102849912A (en) * | 2012-09-27 | 2013-01-02 | 扬州澄露环境工程有限公司 | Sludge hydrolysis acidification system |
| CN104556603A (en) * | 2015-01-27 | 2015-04-29 | 四川农业大学 | Fowl cultivation wastewater treatment pyrohydrolysis digestive system |
| CN114026047A (en) * | 2020-06-04 | 2022-02-08 | 纽威科技有限公司 | Integrated treatment facility is hydrolysised to mud slurrying |
-
2012
- 2012-09-27 CN CN201220501500XU patent/CN202785930U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102849912A (en) * | 2012-09-27 | 2013-01-02 | 扬州澄露环境工程有限公司 | Sludge hydrolysis acidification system |
| CN104556603A (en) * | 2015-01-27 | 2015-04-29 | 四川农业大学 | Fowl cultivation wastewater treatment pyrohydrolysis digestive system |
| CN114026047A (en) * | 2020-06-04 | 2022-02-08 | 纽威科技有限公司 | Integrated treatment facility is hydrolysised to mud slurrying |
| CN114026047B (en) * | 2020-06-04 | 2023-08-15 | 纽威科技有限公司 | Sludge slurrying and hydrolysis integrated treatment equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130313 Effective date of abandoning: 20140122 |
|
| RGAV | Abandon patent right to avoid regrant |