CN201634558U - Environment-friendly and energy-saving sludge drying treatment device for solar energy type greenhouse - Google Patents
Environment-friendly and energy-saving sludge drying treatment device for solar energy type greenhouse Download PDFInfo
- Publication number
- CN201634558U CN201634558U CN2010201310712U CN201020131071U CN201634558U CN 201634558 U CN201634558 U CN 201634558U CN 2010201310712 U CN2010201310712 U CN 2010201310712U CN 201020131071 U CN201020131071 U CN 201020131071U CN 201634558 U CN201634558 U CN 201634558U
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- solar energy
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- sludge drying
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- 238000001035 drying Methods 0.000 title claims abstract description 42
- 239000010802 sludge Substances 0.000 title claims abstract description 19
- 238000011282 treatment Methods 0.000 title claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 77
- 239000007788 liquid Substances 0.000 claims abstract description 15
- 238000009413 insulation Methods 0.000 claims abstract description 7
- 239000010801 sewage sludge Substances 0.000 claims description 17
- 230000007613 environmental effect Effects 0.000 claims description 12
- 239000011521 glass Substances 0.000 claims description 7
- 238000005496 tempering Methods 0.000 claims description 7
- 239000005341 toughened glass Substances 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 6
- 238000005286 illumination Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000007791 dehumidification Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003319 supportive effect Effects 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
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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
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- Drying Of Solid Materials (AREA)
- Treatment Of Sludge (AREA)
Abstract
The utility model discloses an environment-friendly and energy-saving sludge drying treatment device for a solar energy type greenhouse, which comprises a main body of a drying room and a heat collecting water tank, hollow toughened glass external walls are mounted on the periphery of the main body of the drying room, a sludge drying bed is mounted in the main body of the drying room, a solar energy heat collecting device is mounted at the top of the main body of the drying room, a solar energy liquid supply pipe and a solar energy liquid return pipe are mounted on the solar energy heat collecting device, the solar energy liquid supply pipe and the solar energy liquid return pipe are respectively connected with a first heat exchange coil which is mounted in the heat collecting water tank, a geothermal coil is mounted at the lower part of the sludge drying bed, a second water supply pipe and a second water return pipe are mounted on the geothermal coil, and the second water supply pipe and the second water return pipe are respectively connected and communicated with the heat collecting water tank; an exhaust fan is mounted on the main body of the drying room, an air pipe is mounted on the exhaust fan, an air drier is mounted on the air pipe, and an air outlet pipe of the air drier is connected and communicated with the main body of the drying room; and a thermal insulation layer is arranged on the periphery of the heat collecting water tank.
Description
Technical field
The utility model relates to the sludge drying treatment unit of a kind of solar energy type greenhouse environmental protection and energy saving.。
Background technology
The energy-saving solar greenhouse technology is perfect day by day at present, but all is with green house of vegetables, the flower planting garden, and the Agro-ecology garden is used in the majority.But because the heat energy collecting efficiency is low, can't be under the bad situation of illumination works better, therefore instability, is difficult to apply in industry.
Summary of the invention
The purpose of this utility model, provided the sludge drying treatment unit of a kind of solar energy type greenhouse environmental protection and energy saving, it can solve the problem that prior art exists, can have energy-storage function can be under the bad situation of illumination works better, high efficiency, operating safety is stable.
The utility model is achieved through the following technical solutions: the sludge drying treatment unit of solar energy type greenhouse environmental protection and energy saving, comprise kiln main body and heat collection water tank, hollow tempering glass outer wall is installed around the kiln main body, sewage sludge drying bed is installed in the kiln main body, solar energy heat collector is installed at the top of kiln main body, sun power feed pipe and sun power liquid returning tube are installed on the solar energy heat collector, the sun power feed pipe is connected with first heat exchange coil respectively with the sun power liquid returning tube, first heat exchange coil is installed in the heat collection water tank, the ground hot coil is installed in the bottom of sewage sludge drying bed, on the ground hot coil second water-supply pipe and second return water pipe are installed, second water-supply pipe is connected with heat collection water tank respectively with second return water pipe and communicates; On the kiln main body vent fan is installed, airduct is installed on the vent fan, instrument air dryer is installed on the airduct, the escape pipe of instrument air dryer is connected with the kiln main body and communicates; The periphery of heat collection water tank is provided with thermal insulation layer.
For further realizing the purpose of this utility model realizing by the following technical solutions: second heat exchange coil is installed in the heat collection water tank, and second heat exchange coil is connected with earth source heat pump by the liquid in-out pipe.First water-supply pipe and first return water pipe are installed on the heat collection water tank, one end of first water-supply pipe and first return water pipe is positioned at the kiln main body a plurality of fan coils is installed, the water inlet pipe and water outlet pipe of fan coil is connected with first return water pipe with first water-supply pipe respectively and communicates, and on first return water pipe water circulating pump is installed.On first water-supply pipe magnetic valve is installed, indoor temperature and humidity sensor and camera are installed in the kiln main body, earth source heat pump, indoor temperature and humidity sensor, camera, magnetic valve and water circulating pump are connected with controller by lead respectively.Paver is installed in the kiln main body, and paver is positioned at the top of sewage sludge drying bed.
Positively effect of the present utility model is: it adopts multilayered structure, can effectively utilize the space, reduces sludge treatment factory floor space, cuts operating costs; Its structure adopts frame-type building structure, both can multiaspect daylighting, possess the shockproof intensity of enough wind resistances again; Its three, its adopts the insulation higher hollow toughened glass of transmittance of holding concurrently, and is efficiently utilizing on the solar energy basis, accomplishes that efficient temperature keeps; It can be at the inefficient problem of solar energy greenhouse, takes in the sun power high-temperature technology to carry out initiatively adopting temperature, ensure the practicable of every indexs such as indoor needed temperature, humidity for way warm, warming and air-conditioning.It also can fully remedy because of its efficient is low by the terrestrial heat pump technology, and unsettled weak point makes it to satisfy the needs of sludge treatment.The utility model also has compactness simple for structure, cheap for manufacturing cost and advantages of simple operation.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Reference numeral: 1-solar energy heat collector 2-solar energy feed pipe 3-exhaust fan 4-fan coil 5-the first feed pipe 6-airduct 7-air dryer 8-hothouse main body 9-sewage sludge drying bed 10-heat-conducting layer 11-water circulating pump 12-heat collection water tank 14-ground hot coil 16-heat-insulation layer 17-earth source heat pump 18-the first return pipe 19-paver 20-magnetic valve 21-solar energy liquid back pipe 22-indoor temperature and humidity sensor 23-camera 24-hollow tempering glass outer wall 25-the first heat exchange coil 26 second heat exchange coil 27-the second feed pipe 28-the second return pipe 29-controller.
Embodiment
The sludge drying treatment unit of solar energy type described in the utility model greenhouse environmental protection and energy saving, comprise kiln main body 8 and heat collection water tank 12, hollow tempering glass outer wall 24 is installed around the kiln main body 8, can offer the door of transportation mud on the hollow tempering glass outer wall 24, kiln main body 8 is tower structures, cooperates with hollow tempering glass outer wall 24, has the effective and lightweight advantage of daylighting, and hollow tempering glass outer wall 24 can be incubated energy-conserving and environment-protective effectively; Sewage sludge drying bed 9 is installed in the kiln main body 8, sewage sludge drying bed 9 is to hold mud to carry out the exsiccant major parts, solar energy heat collector 1 is installed at the top of kiln main body 8, sun power feed pipe 2 and sun power liquid returning tube 21 are installed on the solar energy heat collector 1, sun power feed pipe 2 is connected with first heat exchange coil 25 respectively with sun power liquid returning tube 21, and first heat exchange coil 25 is installed in the heat collection water tank 12; Ground hot coil 14 is installed in the bottom of sewage sludge drying bed 9, second water-supply pipe 27 and second return water pipe, 28, the second water-supply pipes 27 is installed on the ground hot coil 14 is connected with heat collection water tank 12 respectively with second return water pipe 28 and communicates; Vent fan 3 is installed on the kiln main body 8, airduct 6 is installed on the vent fan 3, instrument air dryer 7 is installed on the airduct 6, the escape pipe of instrument air dryer 7 is connected with kiln main body 8 and communicates; The periphery of heat collection water tank 12 is provided with thermal insulation layer 16, thermal insulation layer 16 can prevent effectively that the heat in the heat collection water tank 12 scatters and disappears, therefore, the volume of heat collection water tank 12 can be very big, under the good situation of illumination, heat is stored in the water in the heat collection water tank 12, under the relatively poor situation of unglazed photograph or illumination, be used, guarantee that dry work can carry out continuously, and be not subjected to the influence of external environmental condition.
When mud is carried out drying, mud is transported in the kiln main body 8, and paves on sewage sludge drying bed 9, mud is contacted with air with maximum area, to increase heat interchanging area effectively; Solar energy heat collector 1 absorbs sun power, heat is passed to heat-conducting medium in the sun power feed pipe 2, described heat-conducting medium is through sun power feed pipe 2 first heat exchange coil 25 of flowing through, flow back in the solar energy heat collector 1 by sun power liquid returning tube 21 again, water in the heat collection water tank 12 heat up after absorbing the heat of first heat exchange coil 25, in second water-supply pipe, 27 inflow place hot coils 14, thereby ground hot coil 14 carries out heat exchange heating mud with sewage sludge drying bed 9, moisture in the mud is evaporated rapidly, flow through and flow back to heat collection water tank 12 by second return water pipe 28 and heat once more after the water heat release of ground hot coil 14, prepare against next circulation; Along with the moisture in the mud constantly evaporates, vent fan 3 will contain the air extraction of large quantity of moisture, carry out dehumidification treatments in airduct 6 is delivered to instrument air dryer 7, and unnecessary water is discharged by instrument air dryer 7, sends back in the kiln main body 8 afterwards again; After the drying sludge on the sewage sludge drying bed 9 finishes, exsiccant mud is reclaimed, sending into needs new a collection of mud to carry out drying treatment again.For preventing sewage sludge drying bed 9 with ground hot coil 14 compression failures, can be provided with 10,10 in ground hot coil 14 peripheries and be positioned at sewage sludge drying bed 9 bottoms, hot coil 14 plays a supportive role over the ground.10 materials of using good heat conductivity are made.
Realize non-stop run for the sludge drying treatment unit that makes the greenhouse environmental protection and energy saving of described solar energy type, be not subjected to the influence of extraneous weather, second heat exchange coil, 26, the second heat exchange coils 26 can be installed in heat collection water tank 12 be connected with earth source heat pump 17 by the liquid in-out pipe.But the heat of earth source heat pump 17 groundwater abstractions is with the water of heat in second heat exchange coil, 26 heating heat collection water tanks 12.
For further improving exsiccant efficient, shorten the exsiccant time, first water-supply pipe 5 and first return water pipe 18 can be installed on the heat collection water tank 12, one end of first water-supply pipe 5 and first return water pipe 18 is positioned at kiln main body 8 and a plurality of fan coils 4 is installed, the water inlet pipe and water outlet pipe of fan coil 4 is connected with first return water pipe 18 with first water-supply pipe 5 respectively and communicates, and water circulating pump 11 is installed on first return water pipe 18.During use, fan coil 4 and water circulating pump 11 start, hot water part in the heat collection water tank 12 is flowed in the fan coil 4 by first water-supply pipe 5, make air in the kiln main body 8 fully absorb heat in first water- supply pipe 5,5 heat releases of first water-supply pipe after first return water pipe 18 be back in the heat collection water tank 12.Air forms high temperature gas flow after fan coil 4 heat exchange, and flows out at a high speed, can improve the temperature of mud on the one hand, but the air flowing on accelerate sludge surface on the other hand can effectively make the moisture accelerated evaporation in the mud.
For realizing automatization control, on first water-supply pipe 5 magnetic valve 20 can be installed, indoor temperature and humidity sensor 22 and camera 23 are installed in the kiln main body 8, and earth source heat pump 17, indoor temperature and humidity sensor 22, camera 23, magnetic valve 20 and water circulating pump 11 can be connected with controller 29 by lead respectively.Indoor temperature and humidity sensor 22 can record the humiture in the kiln main body 8, and camera 23 can make operator observe the drying regime of mud on the sewage sludge drying bed 9 meticulously, for controller 29 provides reference data.Can be by the temperature height in the size regulation and control kiln main body 8 of Control Circulation water pump 11 flows.Temperature reaches in limited time in kiln main body 8, only need stop water circulating pump 11 and fan coil 4, and closes magnetic valve 20 and get final product.Described controller 29 can be micro-chip, programmable logic controller or computer.
For realizing that mechanize paves and stirs mud, save manpower, can paver 19 be installed in kiln main body 8, paver 19 is positioned at the top of sewage sludge drying bed 9.Paver 19 can be according to the data of the collection of indoor temperature and humidity sensor 22 and camera 23, carry out orderly pave or stirring work under the control of controller 29.Described paver 19 can be the device of the existing pitch prill that paves.
The technical solution of the utility model is not restricted in the scope of embodiment described in the utility model.The utility model not technology contents of detailed description is known technology.
Claims (5)
1. the sludge drying treatment unit of solar energy type greenhouse environmental protection and energy saving, it is characterized in that: comprise kiln main body (8) and heat collection water tank (12), hollow tempering glass outer wall (24) is installed around the kiln main body (8), sewage sludge drying bed (9) is installed in the kiln main body (8), solar energy heat collector (1) is installed at the top of kiln main body (8), solar energy heat collector (1) is gone up sun power feed pipe (2) and sun power liquid returning tube (21) is installed, sun power feed pipe (2) is connected with first heat exchange coil (25) respectively with sun power liquid returning tube (21), first heat exchange coil (25) is installed in the heat collection water tank (12), ground hot coil (14) is installed in the bottom of sewage sludge drying bed (9), ground hot coil (14) go up to be installed second water-supply pipe (27) and second return water pipe (28), and second water-supply pipe (27) is connected with heat collection water tank (12) respectively with second return water pipe (28) and communicates; Kiln main body (8) go up to be installed vent fan (3), and vent fan (3) is gone up airduct (6) is installed, and airduct (6) is gone up instrument air dryer (7) is installed, and the escape pipe of instrument air dryer (7) is connected with kiln main body (8) and communicates; The periphery of heat collection water tank (12) is provided with thermal insulation layer (16).
2. the sludge drying treatment unit of solar energy type according to claim 1 greenhouse environmental protection and energy saving, it is characterized in that: second heat exchange coil (26) is installed in the heat collection water tank (12), and second heat exchange coil (26) is connected with earth source heat pump (17) by the liquid in-out pipe.
3. the sludge drying treatment unit of solar energy type according to claim 1 greenhouse environmental protection and energy saving, it is characterized in that: heat collection water tank (12) is gone up first water-supply pipe (5) and first return water pipe (18) is installed, one end of first water-supply pipe (5) and first return water pipe (18) is positioned at kiln main body (8) a plurality of fan coils (4) is installed, the water inlet pipe and water outlet pipe of fan coil (4) is connected with first return water pipe (18) with first water-supply pipe (5) respectively and communicates, and first return water pipe (18) is gone up water circulating pump (11) is installed.
4. the sludge drying treatment unit of solar energy type according to claim 3 greenhouse environmental protection and energy saving, it is characterized in that: first water-supply pipe (5) is gone up magnetic valve (20) is installed, indoor temperature and humidity sensor (22) and camera (23) are installed in the kiln main body (8), and earth source heat pump (17), indoor temperature and humidity sensor (22), camera (23), magnetic valve (20) and water circulating pump (11) are connected with controller (29) by lead respectively.
5. the sludge drying treatment unit of solar energy type according to claim 1 greenhouse environmental protection and energy saving is characterized in that: paver (19) is installed in the kiln main body (8), and paver (19) is positioned at the top of sewage sludge drying bed (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201310712U CN201634558U (en) | 2010-03-15 | 2010-03-15 | Environment-friendly and energy-saving sludge drying treatment device for solar energy type greenhouse |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201310712U CN201634558U (en) | 2010-03-15 | 2010-03-15 | Environment-friendly and energy-saving sludge drying treatment device for solar energy type greenhouse |
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| CN201634558U true CN201634558U (en) | 2010-11-17 |
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| CN2010201310712U Expired - Fee Related CN201634558U (en) | 2010-03-15 | 2010-03-15 | Environment-friendly and energy-saving sludge drying treatment device for solar energy type greenhouse |
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102285748A (en) * | 2011-06-08 | 2011-12-21 | 天津城市建设学院 | Method and equipment for drying sludge by utilizing waste heat flue gas/solar energy |
| CN102559328A (en) * | 2011-12-31 | 2012-07-11 | 山东福航新能源环保科技有限公司 | Method and device for preparing fuel rod by mixing paper-making sludge with biomass |
| CN102559329A (en) * | 2011-12-31 | 2012-07-11 | 山东福航新能源环保科技有限公司 | Method and device for preparing fuel rod by mixing paper-making sludge and garbage oversize materials |
| CN103319062A (en) * | 2013-07-17 | 2013-09-25 | 江苏康泰环保设备有限公司 | Novel compound solar sludge drying equipment |
| CN103332847A (en) * | 2013-07-22 | 2013-10-02 | 江苏康泰环保设备有限公司 | Novel solar energy sludge drying device and method |
| CN103992019A (en) * | 2014-06-04 | 2014-08-20 | 宋雷震 | System for drying sludge by virtue of diversified heat energy |
| CN104129898A (en) * | 2014-06-28 | 2014-11-05 | 浙江绿治污泥处理技术有限公司 | Solar constant-temperature-drying harmless sludge treatment device and method |
| CN104355523A (en) * | 2014-10-13 | 2015-02-18 | 山东福航新能源环保股份有限公司 | Spreading and turning type sludge treatment device |
| CN104789707A (en) * | 2015-04-03 | 2015-07-22 | 成都力鑫科技有限公司 | Energy complementary type heating device |
| CN104789711A (en) * | 2015-04-03 | 2015-07-22 | 成都力鑫科技有限公司 | Double-side air blowing type leather processing equipment |
| CN104789709A (en) * | 2015-04-03 | 2015-07-22 | 成都力鑫科技有限公司 | Low-energy-consumption drying device |
| CN104789710A (en) * | 2015-04-03 | 2015-07-22 | 成都力鑫科技有限公司 | Environment-friendly heat source system |
| CN104789708A (en) * | 2015-04-03 | 2015-07-22 | 成都力鑫科技有限公司 | Hot air supply system |
| CN104789712A (en) * | 2015-04-03 | 2015-07-22 | 成都力鑫科技有限公司 | Drying equipment capable of realizing comprehensive utilization of energy |
| CN104803811A (en) * | 2015-03-27 | 2015-07-29 | 南阳市鼎吉肥料有限责任公司 | Organic fertilizer prepared from animal manure and preparation technology of organic fertilizer |
| CN104818352A (en) * | 2015-04-03 | 2015-08-05 | 成都力鑫科技有限公司 | Device for reducing leather moisture content |
| CN105481224A (en) * | 2016-01-21 | 2016-04-13 | 盐城琛丹低碳技术研究院有限公司 | Air source sludge drying method |
| CN110451765A (en) * | 2019-09-02 | 2019-11-15 | 安徽舜禹水务股份有限公司 | A kind of energy-saving sludge drying equipment |
-
2010
- 2010-03-15 CN CN2010201310712U patent/CN201634558U/en not_active Expired - Fee Related
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102285748A (en) * | 2011-06-08 | 2011-12-21 | 天津城市建设学院 | Method and equipment for drying sludge by utilizing waste heat flue gas/solar energy |
| CN102559328A (en) * | 2011-12-31 | 2012-07-11 | 山东福航新能源环保科技有限公司 | Method and device for preparing fuel rod by mixing paper-making sludge with biomass |
| CN102559329A (en) * | 2011-12-31 | 2012-07-11 | 山东福航新能源环保科技有限公司 | Method and device for preparing fuel rod by mixing paper-making sludge and garbage oversize materials |
| CN103319062A (en) * | 2013-07-17 | 2013-09-25 | 江苏康泰环保设备有限公司 | Novel compound solar sludge drying equipment |
| CN103332847A (en) * | 2013-07-22 | 2013-10-02 | 江苏康泰环保设备有限公司 | Novel solar energy sludge drying device and method |
| CN103992019A (en) * | 2014-06-04 | 2014-08-20 | 宋雷震 | System for drying sludge by virtue of diversified heat energy |
| CN103992019B (en) * | 2014-06-04 | 2015-09-16 | 宋雷震 | A kind of system utilizing diversification heat energy sludge-drying |
| CN104129898A (en) * | 2014-06-28 | 2014-11-05 | 浙江绿治污泥处理技术有限公司 | Solar constant-temperature-drying harmless sludge treatment device and method |
| CN104129898B (en) * | 2014-06-28 | 2016-06-08 | 浙江绿治污泥处理技术有限公司 | Solar energy mud constant temperature mummification harmless treatment device and method |
| CN104355523A (en) * | 2014-10-13 | 2015-02-18 | 山东福航新能源环保股份有限公司 | Spreading and turning type sludge treatment device |
| CN104355523B (en) * | 2014-10-13 | 2016-04-27 | 山东福航新能源环保股份有限公司 | One paves mixing type sludge treatment equipment |
| CN104803811A (en) * | 2015-03-27 | 2015-07-29 | 南阳市鼎吉肥料有限责任公司 | Organic fertilizer prepared from animal manure and preparation technology of organic fertilizer |
| CN104789709A (en) * | 2015-04-03 | 2015-07-22 | 成都力鑫科技有限公司 | Low-energy-consumption drying device |
| CN104789712A (en) * | 2015-04-03 | 2015-07-22 | 成都力鑫科技有限公司 | Drying equipment capable of realizing comprehensive utilization of energy |
| CN104789708A (en) * | 2015-04-03 | 2015-07-22 | 成都力鑫科技有限公司 | Hot air supply system |
| CN104818352A (en) * | 2015-04-03 | 2015-08-05 | 成都力鑫科技有限公司 | Device for reducing leather moisture content |
| CN104789710A (en) * | 2015-04-03 | 2015-07-22 | 成都力鑫科技有限公司 | Environment-friendly heat source system |
| CN104789711A (en) * | 2015-04-03 | 2015-07-22 | 成都力鑫科技有限公司 | Double-side air blowing type leather processing equipment |
| CN104789707A (en) * | 2015-04-03 | 2015-07-22 | 成都力鑫科技有限公司 | Energy complementary type heating device |
| CN105481224A (en) * | 2016-01-21 | 2016-04-13 | 盐城琛丹低碳技术研究院有限公司 | Air source sludge drying method |
| CN110451765A (en) * | 2019-09-02 | 2019-11-15 | 安徽舜禹水务股份有限公司 | A kind of energy-saving sludge drying equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Shandong Fuhang New Energy Environmental Technology Co., Ltd. Assignor: Wang Zhiheng Contract record no.: 2011370000562 Denomination of utility model: Environment-friendly and energy-saving sludge drying treatment device for solar energy type greenhouse Granted publication date: 20101117 License type: Exclusive License Record date: 20111221 |
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Owner name: SHANDONG FUHANG NEW ENERGY ENVIRONMENTAL TECHNOLOG Free format text: FORMER OWNER: WANG ZHIHENG Effective date: 20140813 |
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Effective date of registration: 20140813 Address after: 251200 Shandong city of Dezhou province Yucheng City East High Tech Development Zone, the first North Ring Patentee after: Shandong Fuhang New Energy Environmental Technology Co., Ltd. Address before: 251200, No. 116, North Street, central office, Yucheng, Shandong, Dezhou Patentee before: Wang Zhiheng |
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