CN203904181U - Spiral propulsion continuous drying device - Google Patents
Spiral propulsion continuous drying device Download PDFInfo
- Publication number
- CN203904181U CN203904181U CN201420276085.1U CN201420276085U CN203904181U CN 203904181 U CN203904181 U CN 203904181U CN 201420276085 U CN201420276085 U CN 201420276085U CN 203904181 U CN203904181 U CN 203904181U
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Abstract
The utility model discloses a spiral propulsion continuous drying device which comprises a strip-shaped casing, a grooved cylinder for thermal insulation, and a spiral propellor positioned inside the casing; the periphery of the casing is wrapped by the grooved cylinder; a feeding end and a discharging end are arranged on the casing and in positions correspondingly to the grooved cylinder; the spiral propellor comprises a rotating and driving device and a spiral rod driven to rotate through the rotating and driving device; an oil delivery pipeline is arranged inside the rod body of the spiral rod; the oil delivery pipeline is provided with an oil outlet and an oil inlet used for feeding hot oil, and the oil inlet and the oil outlet are formed in the same end of the rod body; the front wall, the rear wall and the bottom wall of the grooved cylinder all adopt hollow structures, so as to form an oil chamber, an oil inlet and an oil discharge opening are respectively formed in the front wall and the rear wall of the grooved cylinder, one side of the oil inlet is communicated with the oil discharge opening through the oil chamber, and the other side of the oil inlet is communicated with the oil outlet through a guide pipe. The spiral propulsion continuous drying device provided by the utility model can achieve continuous and efficient sludge anhydration.
Description
Technical field
The utility model relates to drying installation, is specifically related to the continuous drier for a kind of screw propulsion of drying sludge.
Background technology
In recent years, along with the fast development of Chinese industrial economy, in the time of economic technology rapid development, the municipal sludge that industrial wastewater discharge brings becomes a severe environmental problem gradually.The processing speed of domestic sewage work is unable to catch up with the output of sewage far away, will cause thus sewage accumulation or raw sewerage arbitrarily to discharge, thereby causes the pollution of environment.
At present, although occurred various mud being carried out to dry dry technology, as biological dewatered technology, chemical drying technique etc., use the widest or heat drying technology both at home and abroad.In this heat drying technology, with Flash Type moisture eliminator, use the most extensive, it is after directly contacting with mud by hot blast, carry out dewatered sludge, but it need carry out off gas treatment to the hot blast after mummification use, be not easy to recycle, and cannot be greatly high due to hot blast temperature, so its mummification efficiency is also lower.
Utility model content
In order to overcome the deficiencies in the prior art, the purpose of this utility model is to provide a kind of continuous drier of screw propulsion, can realize continuous, efficient dewatered sludge.
The purpose of this utility model adopts following technical scheme to realize:
A kind of continuous drier of screw propulsion, comprise long strip shape housing, be wrapped in the groove cylinder of housing periphery and the spiral propeller that is positioned at housing, the correspondence position of described housing and groove cylinder has feeding end and discharge end, described spiral propeller comprises rotating driving device and by rotating driving device, is driven the screw rod of rotation, in the body of rod of screw rod, be provided with pipeline road, this pipeline road has oil outlet and for passing into the oil-in of deep fat, oil-in and oil outlet are positioned at same one end of the body of rod; The antetheca of described groove cylinder, rear wall and diapire are hollow structure, form oil pocket, and the antetheca of groove cylinder and rear wall have had oiler and oil discharge outlet, and oiler one side is communicated with oil discharge outlet through oil pocket, and oiler opposite side is communicated with oil outlet through a conduit.
Preferably, the body of rod outer side of described screw rod is provided with screw-blade, in screw-blade, hollow forms spiral oil duct, and described oil-in connects oil duct through one first and is communicated with one end of spiral oil duct, and the other end of spiral oil duct connects oil duct through one second and is communicated with oil outlet; Described the first connection oil duct, spiral oil duct are connected oil duct with second and form described pipeline road.
Preferably, described oil-in is a plurality of, and bobbin is symmetrical centered by the rotary middle spindle of screw rod; First to connect oil duct be corresponding with oil-in quantity a plurality of, and extend internally along the length direction of screw rod.
Preferably, in the body of rod of described screw rod, be made as hollow heat insulation chamber, described second connect oil duct by one end of the body of rod of screw rod to unsettled stretching out in hollow heat insulation chamber, this second external part that connects oil duct is communicated with oil outlet.
Preferably, described spiral propeller also comprises transmission rig, and described rotating driving device is in transmission connection through transmission rig and screw rod.
Preferably, the body of rod of described screw rod is two, comprise active rotation bar and driven dwang, described screw-blade comprises the active screw-blade of being located at active rotation bar outer side and the driven screw-blade of being located at driven dwang outer side, initiatively the rotation direction of screw-blade is contrary with the rotation direction of driven screw-blade, initiatively screw-blade and the engagement of driven screw-blade; Described transmission rig comprises driving toothed gear, follower gear, the rotation output terminal of rotating driving device is fixedly inserted to the center of driving toothed gear, follower gear and driving toothed gear engagement, active rotation bar is all connected with housing along the length direction of housing rotationally with driven dwang, active rotation bar is fixed in the center of driving toothed gear, and driven dwang is fixed in the center of follower gear.
Preferably, the two ends of described active rotation bar and driven dwang are stretched out by the two ends of groove cylinder respectively, and the two ends of described groove cylinder have the perforate that supplies active rotation bar and driven dwang to pass.
Preferably, the two ends of described groove cylinder are respectively equipped with right baffle-plate and right baffle plate, and described perforate lays respectively in right baffle-plate and right baffle plate; Described groove cylinder is enclosed with for heat insulation iron sheet cover.
Preferably, described housing comprises cell body and is sealed on the upper cover plate on the notch of cell body, and described feeding end protrudes upward in upper cover plate, and runs through groove cylinder; Described discharge end is stretched out downwards by the bottom land of cell body, and runs through groove cylinder; Described upper cover plate is also provided with outlet port.
Preferably, described rotating driving device is motor, the output shaft that described rotation output terminal is this motor.
Compared to existing technology, the beneficial effects of the utility model are:
(1) the utility model adopts the screw rod with pipeline road, when making screw rod to sludge agitation, can contact mud by the high-temperature hot oil of the pipeline road of flowing through, the heat of deep fat is transferred to mud, provide sludge drying required main heat, meanwhile, the rotation process of screw rod increases screw rod and mud contact area greatly, the mummification speed of mud that added piece, improve mummification efficiency, be applicable to a large amount of continuous sludge treatment; Meanwhile, the deep fat that flows out screw rod also can be to housing insulation in the oil pocket of groove cylinder, and the deep fat that prevents from passing into screw rod is too fast toward extraneous heat radiation;
(2) screw rod of the present utility model is two, and active rotation and the incorgruous rotation of driven dwang can realize the effect that stirs mud, mud are heated more even, further improve mummification efficiency;
(3) the first connection oil duct of the present utility model, spiral oil duct, second connect the setting of oil duct, can make deep fat flow at the body of rod internal recycle of screw rod, realize the repeatedly utilization of the remaining temperature of deep fat, again further improve the mummification efficiency of mud;
(4) of the present utility modelly by feeding end, pass into mud, utilize deep fat as heat-conducting medium, mud is provided after heat, deep fat self can facilitate recycle, and the waste gas of sludge creation will be discharged by outlet port, and the mud after mummification is discharged by discharge end.
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is one of the enclosure interior structural representation of the continuous drier of the utility model screw propulsion;
Fig. 2 be the utility model screw propulsion continuous drier enclosure interior structural representation two;
Fig. 3 is the structural representation of upper cover plate of the continuous drier of the utility model screw propulsion;
Fig. 4 is the STRUCTURE DECOMPOSITION figure of groove cylinder of the continuous drier of the utility model screw propulsion;
Fig. 5 is the sectional view of the utility model groove cylinder;
Fig. 6 is one of structural representation of the utility model pipeline road;
Fig. 7 be the utility model pipeline road structural representation two;
Fig. 8 is the schematic diagram of the end of the utility model active rotation bar.
In figure: 1, motor; 2, transmission rig; 3, spiral propeller; 4, housing; 41, cell body; 42, upper cover plate; 5, oil discharge outlet; 6, right baffle-plate; 7, oiler; 8, right baffle plate; 9, iron sheet cover; 10, groove cylinder; 11, oil pocket; 12, driving toothed gear; 13, follower gear; 14, driven screw-blade; 15, active screw-blade; 16, first connects oil duct; 17, second connects oil duct; 18, oil-in; 19, spiral oil duct; 20, oil outlet; 21, hollow heat insulation chamber; 22, feeding end; 23, outlet port; 24, discharge end; 25, pipeline road; 26, active rotation bar; 27, driven dwang; 28, perforate.
Embodiment
The continuous drier of a kind of screw propulsion as shown in Fig. 1 ~ 4, comprise the housing 4 of long strip shape, the spiral propeller 3 that is wrapped in the groove cylinder 10 of housing 4 peripheries and is positioned at housing 4, the correspondence position of housing 4 and groove cylinder 10 has feeding end 22 and discharge end 24, and spiral propeller 3 comprises rotating driving device and by rotating driving device, driven the screw rod of rotation.As shown in Fig. 6 ~ 7, in the body of rod of screw rod, be provided with pipeline road 25, this pipeline road 25 has oil outlet 20 and for passing into the oil-in 18 of deep fat, oil-in 18 and oil outlet 20 are positioned at same one end of the body of rod; As shown in Figure 5, the antetheca of groove cylinder 10, rear wall and diapire are hollow structure, form oil pocket 11, the antetheca of groove cylinder 10 and rear wall have had oiler 7 and oil discharge outlet 5, oiler 7 one sides are communicated with oil discharge outlet 5 through oil pocket 11, and oiler 7 opposite sides are communicated with oil outlet 20 through a conduit (not shown).
Mud enters housing 4 through feeding end 22, under the rotation of screw rod by fully, uniform stirring, simultaneously, deep fat enters the pipeline road 25 of screw rod through oil-in 18, through screw rod heating mud, make mud in whipping process, obtain being subject to heat drying, deep fat enters oil pocket 11 through oiler 7 after oil outlet 20, heating tank cylinder 10 comes the heat-preservation sludge in housing 4, the remaining temperature of performance deep fat, and deep fat is finally by oil discharge outlet 5 outputs.Due to the continuous rotation of screw rod, make mud from feeding end 22, enter housing 4 incessantly, the mud after mummification is discharged from discharge end 24, realizes continuous, the efficient mummification of mud.Deep fat externally well heater can return again and enter oil-in 18 recycles after heating up.This example is furnished with conventional dynamic sealing swivel coupling at catheter interface place, so that deep fat still can seal smoothly input and output in the rotation process of screw rod.
As shown in Figure 4, be the heat insulation effect of upgrading slot cylinder 10, can, in groove cylinder 10 external parcel for heat insulation iron sheet cover 9, further can in overlapping 9, iron sheet add resistant to elevated temperatures asbestos.
For strengthening the heat conduction efficiency of deep fat to mud, the body of rod outer side of screw rod is provided with screw-blade, as shown in Fig. 6 ~ 7, in screw-blade, hollow forms spiral oil duct 19, oil-in 18 connects oil duct 16 through one first and is communicated with one end of spiral oil duct 19, and the other end of spiral oil duct 19 connects oil duct 17 through one second and is communicated with oil outlet 20; The first connection oil duct 16, spiral oil duct 19 are connected oil duct 17 and form above-mentioned pipeline road 25 with second.At the first connection oil duct 16, be connected under the effect of oil duct 17 with second, pipeline road 25 obtains bending roundabout, and under the effect of spiral oil duct 19, pipeline road 25 obtains spiral and goes for a stroll, make screw rod obtain fully, be heated uniformly, and then strengthened the heating surface area of mud.
As shown in Figure 8, this example is made as oil-in 18 a plurality of, and bobbin is symmetrical centered by the rotary middle spindle of screw rod; First to connect oil duct 16 be corresponding with oil-in 18 quantity a plurality of, and extend internally along the length direction of screw rod.
As shown in Figure 7, for preventing that deep fat from having reduced the temperature of screw-blade at spiral oil duct 19 with interacting during second is connected oil duct 17, in the body of rod of screw rod, be made as hollow heat insulation chamber 21, second connect oil duct 17 by one end of the body of rod of screw rod to hollow heat insulation chamber 21 interior unsettled stretching out, this second external part that connects oil duct 17 is communicated with oil outlet 20.In the second connection oil duct 17, deep fat that reflux, lesser temps, by 21 isolation of hollow heat insulation chamber, guarantees that screw-blade obtains the temperature that deep fat is higher.
As shown in Figure 1 and 2, this routine spiral propeller 3 also comprises transmission rig 2, and rotating driving device is in transmission connection through transmission rig 2 and screw rod.The body of rod of screw rod is two, comprise active rotation bar 26 and driven dwang 27, screw-blade comprises the driven screw-blade 14 of being located at the active screw-blade 15 of active rotation bar 26 outer sides and being located at driven dwang 27 outer sides, initiatively the rotation direction of screw-blade 15 is contrary with the rotation direction of driven screw-blade 14, initiatively screw-blade 15 and driven screw-blade 14 engagements; Transmission rig 2 comprises driving toothed gear 12, follower gear 13, the rotation output terminal of rotating driving device is fixedly inserted to driving toothed gear 12 center, follower gear 13 and driving toothed gear 12 engagements, active rotation bar 26 is all connected with housing 4 along the length direction of housing 4 rotationally with driven dwang 27, active rotation bar 26 is fixed in driving toothed gear 12 center, and driven dwang 27 is fixed in follower gear 13 center.This routine rotating driving device is motor 1, and rotation output terminal is the output shaft of this motor 1.
Motor 1 drives driving toothed gear 12 to rotate, drive follower gear 13 to rotate, and then make active rotation bar 26 and the incorgruous rotation of driven dwang 27, initiatively screw-blade 15 and also incorgruous rotation of driven screw-blade 14, further be beneficial to uniform stirring mud, promote stirring efficiency.Due to active rotation bar 26, driven dwang 27, initiatively screw-blade 15, driven screw-blade 14 is interior all has deep fat to pass through, so mud obtained more heating surface area, further promotes mummification efficiency.Driving toothed gear 12 and follower gear 13 also can be made as elliptic gear, and active rotation bar 26 and driven dwang 27 transmitting ratio in rotation process are changed constantly, are beneficial to initiatively screw-blade 15 extruding relative to driven screw-blade 14 and pulverize mud.
The two ends of active rotation bar 26 and driven dwang 27 are stretched out by the two ends of groove cylinder 10 respectively, and the two ends of groove cylinder 10 have the perforate 28 that supplies active rotation bar 26 and driven dwang 27 to pass.The two ends of groove cylinder 10 are respectively equipped with right baffle-plate 6 and right baffle plate 8, and perforate 28 lays respectively in right baffle-plate 6 and right baffle plate 8.
This routine housing 4 comprises cell body 41 and is sealed on the upper cover plate 42 on the notch of cell body 41, and feeding end 22 protrudes upward in upper cover plate 42, and runs through groove cylinder 10; Discharge end 24 is stretched out downwards by the bottom land of cell body 41, and runs through groove cylinder 10; As shown in Figure 3, upper cover plate 42 is also provided with outlet port 23.
During work, mud enters in housing 4 through groove cylinder 10 from feeding end 22, follow the rotation of the screw rod under motor 1 driving, mud is advanced to discharge end 24 places by screw rod from feeding end 22 places, in this process, owing to being subject to the interior deep fat heating of pipeline road 25, moisture evaporation obtains mummification to mud, and the mud that arrives discharge end 24 places has obtained mummification, and mud heating makes the waste gas producing discharge through outlet port 23.Mud is subject to the stirring of screw rod in the process advancing simultaneously, mud is heated evenly and is unlikely to caking.
Hot oiling oil circuit: active rotation bar 26 is identical with the deep fat principle of work on driven dwang 27 and driven screw-blade 14 with the deep fat principle of work on active screw-blade 15, the oil circuit in this selects active rotation bar 26 and active screw-blade 15 describes.
Deep fat enters the first connection oil duct 16 by oil-in 18, wherein, this routine oil-in 18 is evenly distributed with six on the rod end of active rotation bar 26, deep fat enters spiral oil duct 19 after entering the first connection oil duct 16, deep fat flows and realizes heat exchange with the mud of active screw-blade 15 outsides in spiral oil duct 19, then deep fat enters the rear backflow of the second connection oil duct 17, through oil outlet 20, leaves active rotation bar 26.Then deep fat again via conduit by the oiler of lead-in groove cylinder 10 7, thereby deep fat enters in oil pocket 11, realizes the second stage employ of the remaining temperature of deep fat, finally by the oil discharge outlet 5 of groove cylinder 10, flows out.Also can again deep fat be inducted into external heater and heat up, again lead back to oil-in 18, realize hot oiling utilization.
Above-mentioned embodiment is only preferred implementation of the present utility model; can not limit with this scope of the utility model protection, the variation of any unsubstantiality that those skilled in the art does on basis of the present utility model and replacement all belong to the utility model scope required for protection.
Claims (10)
1. the continuous drier of a screw propulsion, it is characterized in that: comprise the housing of long strip shape, for the groove cylinder being incubated and the spiral propeller that is positioned at housing, described groove cylinder is wrapped in housing periphery, the correspondence position of described housing and groove cylinder has feeding end and discharge end, described spiral propeller comprises rotating driving device and by rotating driving device, is driven the screw rod of rotation, in the body of rod of screw rod, be provided with pipeline road, this pipeline road has oil outlet and for passing into the oil-in of deep fat, oil-in and oil outlet are positioned at same one end of the body of rod; The antetheca of described groove cylinder, rear wall and diapire are hollow structure, form oil pocket, and the antetheca of groove cylinder and rear wall have had oiler and oil discharge outlet, and oiler one side is communicated with oil discharge outlet through oil pocket, and oiler opposite side is communicated with oil outlet through a conduit.
2. the continuous drier of screw propulsion according to claim 1, it is characterized in that: the body of rod outer side of described screw rod is provided with screw-blade, in screw-blade, hollow forms spiral oil duct, described oil-in connects oil duct through one first and is communicated with one end of spiral oil duct, and the other end of spiral oil duct connects oil duct through one second and is communicated with oil outlet; Described the first connection oil duct, spiral oil duct are connected oil duct with second and form described pipeline road.
3. the continuous drier of screw propulsion according to claim 2, it is characterized in that: described oil-in is a plurality of, and bobbin is symmetrical centered by the rotary middle spindle of screw rod; First to connect oil duct be corresponding with oil-in quantity a plurality of, and extend internally along the length direction of screw rod.
4. the continuous drier of screw propulsion according to claim 2, it is characterized in that: in the body of rod of described screw rod, be made as hollow heat insulation chamber, described second connect oil duct by one end of the body of rod of screw rod to unsettled stretching out in hollow heat insulation chamber, this second external part that connects oil duct is communicated with oil outlet.
5. according to the continuous drier of the screw propulsion described in claim 2 ~ 4 any one, it is characterized in that: described spiral propeller also comprises transmission rig, described rotating driving device is in transmission connection through transmission rig and screw rod.
6. the continuous drier of screw propulsion according to claim 5, it is characterized in that: the body of rod of described screw rod is two, comprise active rotation bar and driven dwang, described screw-blade comprises the active screw-blade of being located at active rotation bar outer side and the driven screw-blade of being located at driven dwang outer side, initiatively the rotation direction of screw-blade is contrary with the rotation direction of driven screw-blade, initiatively screw-blade and the engagement of driven screw-blade; Described transmission rig comprises driving toothed gear, follower gear, the rotation output terminal of rotating driving device is fixedly inserted to the center of driving toothed gear, follower gear and driving toothed gear engagement, active rotation bar is all connected with housing along the length direction of housing rotationally with driven dwang, active rotation bar is fixed in the center of driving toothed gear, and driven dwang is fixed in the center of follower gear.
7. the continuous drier of screw propulsion according to claim 6, it is characterized in that: the two ends of described active rotation bar and driven dwang are stretched out by the two ends of groove cylinder respectively, the two ends of described groove cylinder have the perforate that supplies active rotation bar and driven dwang to pass.
8. the continuous drier of screw propulsion according to claim 7, is characterized in that: the two ends of described groove cylinder are respectively equipped with right baffle-plate and right baffle plate, and described perforate lays respectively in right baffle-plate and right baffle plate; Described groove cylinder is enclosed with for heat insulation iron sheet cover.
9. the continuous drier of screw propulsion according to claim 6, is characterized in that: described housing comprises cell body and be sealed on the upper cover plate on the notch of cell body, and described feeding end protrudes upward in upper cover plate, and runs through groove cylinder; Described discharge end is stretched out downwards by the bottom land of cell body, and runs through groove cylinder; Described upper cover plate is also provided with outlet port.
10. the continuous drier of screw propulsion according to claim 6, is characterized in that: described rotating driving device is motor the output shaft that described rotation output terminal is this motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420276085.1U CN203904181U (en) | 2014-05-27 | 2014-05-27 | Spiral propulsion continuous drying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420276085.1U CN203904181U (en) | 2014-05-27 | 2014-05-27 | Spiral propulsion continuous drying device |
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| CN203904181U true CN203904181U (en) | 2014-10-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420276085.1U Expired - Fee Related CN203904181U (en) | 2014-05-27 | 2014-05-27 | Spiral propulsion continuous drying device |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104496147A (en) * | 2014-12-11 | 2015-04-08 | 杭州塘栖热电有限公司 | Paddle dryer |
| CN104649562A (en) * | 2015-03-13 | 2015-05-27 | 郑州汇腾环保设备有限公司 | Drying shaft and drying shaft unit |
| CN104761115A (en) * | 2015-03-13 | 2015-07-08 | 李登平 | Vertical-trough rotational drying device |
| CN105000784A (en) * | 2015-08-07 | 2015-10-28 | 浙江彩蝶实业有限公司 | Effective environment protective sludge dryer |
| CN106754255A (en) * | 2016-12-05 | 2017-05-31 | 江西省三余环保节能科技有限公司 | It is a kind of to dry Zymolysis Equipment |
| CN108840538A (en) * | 2018-06-25 | 2018-11-20 | 南京中电环保固废资源有限公司 | A kind of combustion gas indirect type heating rotary inside spin carbide furnace |
| CN109237874A (en) * | 2018-08-31 | 2019-01-18 | 广东西屋康达空调有限公司 | A kind of novel drying room |
| CN110790471A (en) * | 2019-09-30 | 2020-02-14 | 北京化工大学 | Spiral roll-in dehydration drying device |
-
2014
- 2014-05-27 CN CN201420276085.1U patent/CN203904181U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104496147A (en) * | 2014-12-11 | 2015-04-08 | 杭州塘栖热电有限公司 | Paddle dryer |
| CN104496147B (en) * | 2014-12-11 | 2016-09-07 | 杭州塘栖热电有限公司 | A kind of blade dryer |
| CN104649562A (en) * | 2015-03-13 | 2015-05-27 | 郑州汇腾环保设备有限公司 | Drying shaft and drying shaft unit |
| CN104761115A (en) * | 2015-03-13 | 2015-07-08 | 李登平 | Vertical-trough rotational drying device |
| CN105000784A (en) * | 2015-08-07 | 2015-10-28 | 浙江彩蝶实业有限公司 | Effective environment protective sludge dryer |
| CN106754255A (en) * | 2016-12-05 | 2017-05-31 | 江西省三余环保节能科技有限公司 | It is a kind of to dry Zymolysis Equipment |
| CN106754255B (en) * | 2016-12-05 | 2024-01-12 | 江西省三余环保节能科技有限公司 | Drying fermentation equipment |
| CN108840538A (en) * | 2018-06-25 | 2018-11-20 | 南京中电环保固废资源有限公司 | A kind of combustion gas indirect type heating rotary inside spin carbide furnace |
| CN109237874A (en) * | 2018-08-31 | 2019-01-18 | 广东西屋康达空调有限公司 | A kind of novel drying room |
| CN110790471A (en) * | 2019-09-30 | 2020-02-14 | 北京化工大学 | Spiral roll-in dehydration drying device |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: GUANGZHOU HAISEN ENVIRONMENTAL PROTECTION TECHNOLO Free format text: FORMER NAME: GUANGZHOU HAISEN ENVIRONMENT ENERGY SAVING TECHNOLOGY ENGINEERING CO., LTD. |
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| CP01 | Change in the name or title of a patent holder |
Address after: 510000, 314, 5, two street, Keshan Road, Ring West Road, Liwan District, Guangdong, Guangzhou Patentee after: GUANGZHOU HAISEN ENVIRONMENT ENERGY SAVING TECHNOLOGY ENGINEERING CO., LTD. Address before: 510000, 314, 5, two street, Keshan Road, Ring West Road, Liwan District, Guangdong, Guangzhou Patentee before: Guangzhou Haisen Environment Energy-saving Technology Engineering Co.,Ltd. |
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| 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: 20141029 Termination date: 20210527 |