CN205420123U - Primary sewage source sludge drying system - Google Patents
Primary sewage source sludge drying system Download PDFInfo
- Publication number
- CN205420123U CN205420123U CN201520984399.1U CN201520984399U CN205420123U CN 205420123 U CN205420123 U CN 205420123U CN 201520984399 U CN201520984399 U CN 201520984399U CN 205420123 U CN205420123 U CN 205420123U
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- heat
- sewage
- heat exchanger
- pipeline
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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
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
Abstract
The utility model relates to a primary sewage source sludge drying system. Ground heating pipeline's dry greenhouse is laid including sewage source heating device, solar energy heating device and ground, sewage source heating device includes dirty water heat exchanger and sewage source heat pump set, and dirty water heat exchanger's sewage entry and outlet of sewer pass through sewage cycle tube coupling to sewage trunk canal, are equipped with the sewage delivery pump on this sewer line, and dirty water heat exchanger's heat exchange coil's entry and export are connected to sewage source heat pump set through heat medium liquid circulation pipeline, are equipped with heat medium liquid circulating pump on this heat medium liquid circulation pipeline, solar heat collection device includes light and heat heat collector and heat -retaining formula heat exchanger, and the thermal -collecting tube of light and heat heat collector is equipped with heat medium liquid circulating pump through the heat transfer coiled pipe that heat medium liquid circulation pipeline was connected to heat -retaining formula heat exchanger on this heat medium liquid circulation pipeline, heat -retaining formula heat exchanger passes through the hot -water circulation pipeline with sewage source heat pump set hot water delivery port between them and hot water return water mouth to be connected with ground heating pipeline, is equipped with circulating water pump on the hot -water circulation pipeline.
Description
Technical field
This utility model belongs to sewage sludge processing equipment technical field, particularly relates to a kind of native sewage water source sludge dry system.
Background technology
Mud is the product in sewage disposal process, in mud, content of organics is high, perishable, there are strong stink, and the poisonous and harmful substance containing difficult degradations such as heavy metal and salt, Polychlorinated biphenyls, radionuclide such as parasitic ovum, pathogenic microorganism and copper, zinc, chromium, hydrargyrum.Along with Chinese society economy and the development of urbanization, sewage treatment plant is continuously increased, and sludge yield also increases substantially.Therefore mud needs to process in time, makes sewage sludge harmlessness and comprehensively utilizes.It is dried and can make mud greatly minimizing, innoxious.Drying sludge technology is mainly heated drying technology at present, is i.e. evaporated by the moisture in mud by external heat source, thus reduces the water content in mud.Traditional drying sludge mode is a highly energy-consuming, the process of high investment, and the subject matter that processing cost is higher, energy consumption is greatly restriction Treatment of Sludge, China's municipal sludge can not get effectively processing for a long time.
Municipal sewage is the Renewable resource of a kind of preciousness, and wherein Sewage heat energy recycle is one of important component part of municipal sewage as a resource.The heat that municipal sewage carries is one of city used heat, accounts for the significant proportion of city waste heat discharge, and reserves are huge.Along with improving constantly of Living consumption, this ratio also can increase considerably year by year.Therefore, reclaim sewage low temperature heat energy by untreated sewage source heat pump and produce high temperature heat, for heating, air-conditioning or production technology；Solar energy is good renewable, the energy of cleaning, and exploitation solar energy, as the thermal source i.e. solar energy heat distribution system of heating system, has the important energy-conservation and value of environmental protection.The utilization of solar energy is changed into heat energy by luminous energy and heat energy transmits, store, discharge Four processes forms, luminous energy changes into after the process of heat energy refers to that solar energy is irradiated to heat collector, by the reflection of light by light collection to straight line, i.e. being pooled to thermal-collecting tube makes thermal-collecting tube be warming up to more than 90 DEG C, realize the key problem in technology that continuous heat supply is solar energy heat distribution system, be also the major technical barrier of current application.Due to solar energy change over time, illumination changes therewith, and cloudy day, sleet sky and solar energy at night almost cannot utilize, and when water during solar energy is not enough to heating circulation system, does not just reach the purpose taking heat.Conventional solar heating system is to utilize the two kinds of heat collectors (vacuum tube type heat collector and flat-plate collector) on existing market, owing to both the above heat collector does not utilize focusing principle, if wanting, making liquid in pipe heat up takes long enough, and substantial amounts of heat is dispersed in outdoor cold air along with heat collector surface, solar energy optical-thermal changing effect is greatly reduced.
But current sludge treating method mainly have mode, drying sludge and the burnings such as sanitary landfills, agricultural, sludge incineration, sludge gasification, drying sludge, sludge composting be produce during the most complete, stable process means sludge incineration the gas pollutant such as nitrogen oxides, oxysulfide, big to secondary environmental pollution and intractability, visible drying sludge is studied particularly necessary.
Utility model content
This utility model provides a kind of native sewage water source sludge dry system for solving technical problem present in known technology, make full use of the heat energy in native sewage water source and solar energy as the desiccant energy, low for solar thermal collection system heat drying operating cost and that sewage source heat pump is stable advantage is combined, when solar radiation condition is good, solar thermal collection system is utilized to carry out sludge drying as far as possible, when rainy weather, solar radiation condition are bad, sewage source heat pump system is utilized to carry out sludge drying.
This utility model is adopted the technical scheme that by solving technical problem present in known technology: a kind of native sewage water source sludge dry system includes that source of sewage heat collector, solar energy heat collector and ground paving are provided with the drying greenhouse of ground heating pipeline；Source of sewage heat collector includes sewage heat exchanger and sewage source heat pump unit, sewage inlet and the outlet of sewer of sewage heat exchanger are connected to trunk sewer by effluent cycle pipeline, this sewage conduct is provided with sewage transport pump, the entrance and exit of the heat exchange coil of sewage heat exchanger is connected to sewage source heat pump unit by heating agent liquid circulation line, is provided with heating agent liquid circulating pump on this heating agent liquid circulation line；Solar energy heat collector includes photo-thermal heat collector and heat storage type heat exchanger, and the thermal-collecting tube of photo-thermal heat collector is connected to the heat exchange coil of heat storage type heat exchanger by heating agent liquid circulation line, is provided with heating agent liquid circulating pump on this heating agent liquid circulation line；Heat storage type heat exchanger is connected with ground heating pipeline by hot water circulating pipeline with hot water outlet and hot water backwater's mouth of sewage source heat pump unit, is provided with water circulating pump on hot water circulating pipeline.
Advantage of the present utility model and good effect be: compared with prior art, shape be in light collecting heat collector can make thermal-collecting tube anti-icing fluid be brought rapidly up, and temperature can be increased to more than 90 DEG C, and the heat of high temperature is delivered to inside heat storage type heat exchanger by heat medium water blood circulation, utilizing the water in heat storage type heat exchanger to carry out heat storage, simultaneity factor a set of sewage source heat pump sludge dry system in parallel, the coupling of the two system run, ensures this system extremely trembles with fear under weather at night and cloudy day, remains to realize drying sludge purpose, realize system stable operation.
Preferably: the cross sectional shape of photo-thermal heat collector is that circular arc is parabola shaped or semicircle, is provided with reflective coating at inner surface.
Preferably: the outer tube of thermal-collecting tube uses glass tubing to make, inner tube uses seamless steel pipe to make.
Preferably: in the outside of heat storage type heat exchanger, heat-insulation layer is set.
Preferably: heating agent liquid is chosen for freezing liquid or heat kerosene.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure: 1, photo-thermal heat collector；2, thermal-collecting tube；3, heat collector bearing；4, heating agent liquid circulation line；5, heating agent liquid circulating pump；6, heat storage type heat exchanger；7, heat exchange coil；8, heat exchanger bearing；9, sewage transport pump；10, sewage heat exchanger；11, heating agent liquid circulating pump；12, sewage source heat pump unit；13, water circulating pump；14, hot water circulating pipeline；15, drying greenhouse；16, ground heating pipeline；17, device is controlled.
Detailed description of the invention
For summary of the invention of the present utility model, feature and effect can be further appreciated that, hereby lift following example and describe in detail as follows:
Referring to Fig. 1, this utility model includes that source of sewage heat collector, solar energy heat collector and ground paving are provided with the drying greenhouse 15 of ground heating pipeline 16.
Source of sewage heat collector includes sewage heat exchanger 10 and sewage source heat pump unit 12, and sewage inlet and the outlet of sewer of sewage heat exchanger 10 are connected to trunk sewer by effluent cycle pipeline, are provided with sewage transport pump 9 on this sewage conduct.The entrance and exit of the heat exchange coil of sewage heat exchanger 10 is connected to sewage source heat pump unit 12 by heating agent liquid circulation line 4, is provided with heating agent liquid circulating pump 11 on this heating agent liquid circulation line 4.
Solar energy heat collector includes photo-thermal heat collector 1 and heat storage type heat exchanger 6, and the thermal-collecting tube 2 of photo-thermal heat collector 1 is connected to the heat exchange coil 7 of heat storage type heat exchanger 6 by heating agent liquid circulation line 4, is provided with heating agent liquid circulating pump 5 on this heating agent liquid circulation line 4.On the parallel central axis being placed in photo-thermal heat collector 1 of thermal-collecting tube 2.
In the present embodiment, the cross sectional shape of photo-thermal heat collector 1 is that circular arc is parabola shaped or semicircle, heat collector bearing 3 support, be provided with reflective coating at inner surface；The outer tube of thermal-collecting tube 2 uses glass tubing to make, inner tube uses seamless steel pipe to make.
Heat storage type heat exchanger 6 is supported by heat exchanger bearing 8, in order to reduce scattering and disappearing of heat, arranges heat-insulation layer in outside.
In the present embodiment, the heating agent liquid in heating agent liquid circulation line 4 is chosen for freezing liquid or heat kerosene.
Heat storage type heat exchanger 6 is connected with ground heating pipeline 16 by hot water circulating pipeline 14 with hot water outlet and hot water backwater's mouth of both sewage source heat pump units 12, is provided with water circulating pump 13 on hot water circulating pipeline 14.
Also including controlling device 17, heating agent liquid circulating pump 5, sewage transport pump 9, heating agent liquid circulating pump 11, sewage source heat pump unit 12 and water circulating pump 13 all electrically connect with control device 17, accept instruction scheduling.
Drying greenhouse 15 mainly absorbs shortwave radiation solar energy, makes solar energy can ensure that the far infrared that the air of indoor, material, absorber plate send after absorbing solar energy will not appear through the transparent material such as glass, plastic sheeting simultaneously, and the greenhouse effect of generation effectively prevent heat and is dissipated to outdoor.
The internal aquaporin cross section of crossing of the ground heating pipeline 16 that drying greenhouse 15 ground is laid is 4 × 4cm, and during actual motion, supply water temperature is 45 DEG C, return water temperature 35 DEG C.
Work process:
Utilize photo-thermal heat collector 1 will to heat its internal heating agent liquid on solar light focusing to thermal-collecting tube 2, under the pumping of heating agent liquid circulating pump 5, high temperature heating agent liquid enters heating agent liquid circulation line 4, delivering into the heat exchange coil 7 within heat storage type heat exchanger 6 again and carry out heat exchange, the water in heat storage type heat exchanger 6 heats up.
Under the pumping of sewage transport pump 9, native sewage water in trunk sewer enters sewage heat exchanger 10 heat exchange, under the pumping of heating agent liquid circulating pump 11, high temperature heating agent liquid in sewage heat exchanger 10 heat exchange coil enters heating agent liquid circulation line 4, entering back into sewage source heat pump unit 12, Lowlevel thermal energy is converted to high level heat.
The hot water that heat storage type heat exchanger 6 and both sewage source heat pump units 12 store, under the pumping of water circulating pump 13, enters the ground heating pipeline 16 of drying greenhouse 15 by hot water circulating pipeline 14.Two groups of devices are controlled, it is achieved optimum state runs by controlling device 17 coupling.
This native sewage water source sludge dry system is set about the most from the following aspect: one is the photothermal deformation making full use of solar energy, and employing Columnating type solar thermal collector makes the water temperature in thermal-collecting tube raise rapidly；Two is the storage to heat, uses heat storage type heat exchanger 6 by the water in the heat storage of collection in thermal-collecting tube 2 to heat exchanger shell, makes water temperature be increased to more than 90 DEG C；Three is to use sewage source heat pump system, utilizes sewage heat exchanger 10, sewage source heat pump unit 12 by the Lowlevel thermal energy extracting in sewage, provides hot water to be connected in parallel with solar energy heat collector for the ground heating pipeline 16 in drying greenhouse 15.Two covering devices couplings run, meet drying sludge and remain to stable operation purpose at weather of extremely trembling with fear.Sludge dry system of the present utility model has taken into account above three aspect, it is possible to achieve energy-saving and environmental protection, the implementation result of economical operation, it is achieved sludge drying is innoxious, stabilisation, recycling treatment are run, realized regenerative resource economic development.
The above, be only preferred embodiment of the present utility model, and structure of the present utility model is not made any pro forma restriction.Every any simple modification, equivalent variations and modification made above example according to technical spirit of the present utility model, all still falls within the range of the technical solution of the utility model.
Claims (5)
1. a native sewage water source sludge dry system, is characterized in that: include that source of sewage heat collector, solar energy heat collector and ground paving are provided with the drying greenhouse (15) of ground heating pipeline (16)；Source of sewage heat collector includes sewage heat exchanger (10) and sewage source heat pump unit (12), sewage inlet and the outlet of sewer of sewage heat exchanger (10) are connected to trunk sewer by effluent cycle pipeline, this effluent cycle pipeline is provided with sewage transport pump (9), the entrance and exit of the heat exchange coil of sewage heat exchanger (10) is connected to sewage source heat pump unit (12) by heating agent liquid circulation line (4), is provided with heating agent liquid circulating pump (11) on this heating agent liquid circulation line (4)；Solar energy heat collector includes photo-thermal heat collector (1) and heat storage type heat exchanger (6), the thermal-collecting tube (2) of photo-thermal heat collector (1) is connected to the heat exchange coil (7) of heat storage type heat exchanger (6) by heating agent liquid circulation line (4), is provided with heating agent liquid circulating pump (5) on this heating agent liquid circulation line (4)；Heat storage type heat exchanger (6) is connected with ground heating pipeline (16) by hot water circulating pipeline (14) with sewage source heat pump unit (12) both hot water outlets and hot water backwater's mouth, is provided with water circulating pump (13) on hot water circulating pipeline (14).
2. native sewage water source sludge dry system as claimed in claim 1, is characterized in that: the cross sectional shape of photo-thermal heat collector (1) is that circular arc is parabola shaped or semicircle, is provided with reflective coating at inner surface.
3. native sewage water source sludge dry system as claimed in claim 1, is characterized in that: the outer tube of thermal-collecting tube (2) uses glass tubing to make, inner tube uses seamless steel pipe to make.
4. native sewage water source sludge dry system as claimed in claim 1, is characterized in that: arrange heat-insulation layer in the outside of heat storage type heat exchanger (6).
5. native sewage water source sludge dry system as claimed in claim 1, is characterized in that: heating agent liquid is chosen for freezing liquid or heat kerosene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520984399.1U CN205420123U (en) | 2015-12-01 | 2015-12-01 | Primary sewage source sludge drying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520984399.1U CN205420123U (en) | 2015-12-01 | 2015-12-01 | Primary sewage source sludge drying system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205420123U true CN205420123U (en) | 2016-08-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520984399.1U Expired - Fee Related CN205420123U (en) | 2015-12-01 | 2015-12-01 | Primary sewage source sludge drying system |
Country Status (1)
| Country | Link |
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| CN (1) | CN205420123U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108164122A (en) * | 2018-02-09 | 2018-06-15 | 西安交通大学 | A kind of concentrating solar sludge dry system and its drying method for sludge |
| CN108264210A (en) * | 2018-02-09 | 2018-07-10 | 西安交通大学 | A kind of frequency dividing solar energy sludge dry system and its drying method for sludge |
| CN111816341A (en) * | 2020-08-04 | 2020-10-23 | 天津科技大学 | Device and method for separating and recycling solid-liquid radioactive waste based on interface evaporation radioactive waste water |
| CN111947217A (en) * | 2020-07-27 | 2020-11-17 | 万江新能源集团有限公司 | Centrifugal heat pump coupling efficient utilization system utilizing sewage source |
| CN112794617A (en) * | 2021-01-06 | 2021-05-14 | 陈傲然 | Intelligent drying equipment with motor input end penetrating through box body |
-
2015
- 2015-12-01 CN CN201520984399.1U patent/CN205420123U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108164122A (en) * | 2018-02-09 | 2018-06-15 | 西安交通大学 | A kind of concentrating solar sludge dry system and its drying method for sludge |
| CN108264210A (en) * | 2018-02-09 | 2018-07-10 | 西安交通大学 | A kind of frequency dividing solar energy sludge dry system and its drying method for sludge |
| CN111947217A (en) * | 2020-07-27 | 2020-11-17 | 万江新能源集团有限公司 | Centrifugal heat pump coupling efficient utilization system utilizing sewage source |
| CN111816341A (en) * | 2020-08-04 | 2020-10-23 | 天津科技大学 | Device and method for separating and recycling solid-liquid radioactive waste based on interface evaporation radioactive waste water |
| CN112794617A (en) * | 2021-01-06 | 2021-05-14 | 陈傲然 | Intelligent drying equipment with motor input end penetrating through box body |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20160803 Termination date: 20181201 |