CN208617686U - A kind of sludge resource, which crushes to be dried, utilizes device - Google Patents

A kind of sludge resource, which crushes to be dried, utilizes device Download PDF

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Publication number
CN208617686U
CN208617686U CN201820883751.6U CN201820883751U CN208617686U CN 208617686 U CN208617686 U CN 208617686U CN 201820883751 U CN201820883751 U CN 201820883751U CN 208617686 U CN208617686 U CN 208617686U
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CN
China
Prior art keywords
sludge
fixedly connected
agitator tank
shaft
shell
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201820883751.6U
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Chinese (zh)
Inventor
张焕朝
姚兰
冯烨
张丽
杨瑞珍
唐修峰
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Nanjing Forestry University
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Nanjing Forestry University
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Priority to CN201820883751.6U priority Critical patent/CN208617686U/en
Application granted granted Critical
Publication of CN208617686U publication Critical patent/CN208617686U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

It crushes to be dried the utility model discloses a kind of sludge resource and utilizes device, including agitator tank, the left side of the agitator tank is fixedly connected with the right side of shell, and the lower surface of inner walls is connected with filter plate, and the upper surface of the filter plate is connected with first bearing.The sludge resource, which crushes to be dried, utilizes device, pass through screw rod, feed inlet, first through hole, second through-hole, first rotating shaft, the mutual cooperation of second shaft and first motor, when sludge is poured into feed inlet by staff, sludge is under the action of the frictional force of screw rod and inner walls, sludge slowly moves up, the sewage being mingled in sludge slowly flows into housing bottom by screw rod, shell is flowed out by filter plate again, filter plate can obstruct sludge outflow shell, sludge is dropped into agitator tank by the second through-hole and is dried and crushes, improve the efficiency of drying sludge, be conducive to the raising of drying sludge product quality.

Description

A kind of sludge resource, which crushes to be dried, utilizes device
Technical field
The utility model relates to sludge resource processing technology field, specially a kind of sludge resource is crushed to be dried and be utilized Device.
Background technique
Recycling sludge utilizes, and refers to after sludge is carried out processing appropriate, becomes utilizable resource from waste. There are about 1000 tons daily for big city sludge of sewage treatment plant, about 300,000 tons every year, have resulted in second of pollution, traditional recycling Land use systems have: agricultural, direct brickmaking, heat energy utilization produce active carbon, landfill, burning, row sea and sludge treatment correlation skill Art preconditioning technique, including anaerobic digestion, wet oxidation process, compost stabilization method, using ecological bed for earthworms processing sludge, using super Sonicated sludge is improved dewatering performance of sludge using surfactant, sludge smelting technology, membrane bioreactor, destroys and give birth to Object cell cuts down sludge yield, ozone treatment technique etc. using microfauna.
After needing first to handle sewage before Treatment of Sludge, currently, existing sludge drier is all will be to be dried Sludge is directly thrown into drying box, but when sludge takes out from sewage still contains a large amount of sewage, and a large amount of sewage enters Drying box, the time spent in generating a large amount of vapor, not only wasting drying process and resource also result in the dry effect of sludge Fruit is undesirable, reduces the working efficiency of drying sludge processing.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model, which provides a kind of sludge resource and crushes, is dried using device, It solves and still contains a large amount of sewage when sludge takes out from sewage, a large amount of sewage enters drying box, generates a large amount of water and steams Gas, the time spent in not only wasting drying process and resource, the drying effect for also resulting in sludge is undesirable, and it is dry to reduce sludge The problem of dry processing work efficiency.
(2) technical solution
To achieve the above object, the utility model provides the following technical solutions: a kind of sludge resource crushing drying process benefit With device, including agitator tank, the left side of the agitator tank is fixedly connected with the right side of shell, and the lower surface of inner walls It is connected with filter plate, the upper surface of the filter plate is connected with first bearing, and first rotating shaft is socketed in first bearing, described The top of first rotating shaft is fixedly connected with the bottom end of screw rod.
The top of the screw rod is fixedly connected with the bottom end of the second shaft, and the top of the second shaft passes through second bearing It is fixedly connected with the output shaft of first motor, the upper surface of the second bearing clamping on the inner wall of the housing, and the machine of first motor The opposite face of other two fixed plates of status is fixedly connected, and the lower surface of two fixed plates is fixed with the upper surface of shell and connected It connects.
The left side of the inner walls offers first through hole, and the right side of the left side of first through hole and feed inlet It is connected, the right side of the feed inlet is fixedly connected with the left side of shell, and the right side of inner walls is logical by second Hole is connected with the left side of stirring chamber interior wall.
Preferably, the upper surface of the stirring chamber interior wall is fixedly connected with heating tube, and stirs the left side card of chamber interior wall It is connected to 3rd bearing, third shaft is socketed in the 3rd bearing, and the right end of third shaft and the left end of broken shaft are fixed Connection, the right end of the broken shaft are fixedly connected with the left end of the 4th shaft, and the right end of the 4th shaft passes through and is connected to stirring The fourth bearing of chamber interior wall right side is simultaneously fixedly connected with the left side of driving device, and the right side of driving device and agitator tank It is fixedly connected, the right side of the stirring chamber interior wall is connected with the left end of escape pipe, the lower surface of the agitator tank and discharging The upper surface of device is connected, and the four corners of agitator tank lower surface are fixedly connected to support base.
Preferably, the driving device includes driven wheel, and the right end of the left side of driven wheel and the 4th shaft is fixed and connected It connects, the driven wheel is connect by belt with capstan drive, and the left side of driving wheel and the output shaft of the second motor are fixed Connection, the fuselage of second motor are fixedly connected with the right side of agitator tank.
Preferably, the discharging device includes discharge nozzle, and the top of discharge nozzle is connected with the lower surface of stirring chamber interior wall Logical, the right side of the discharge nozzle is provided with valve.
Preferably, the first motor is the servo motor of HC-LP-52B model, and the second motor is 70STX-01 model Servo motor, the upper surface of the agitator tank is fixedly installed with power supply, and the upper surface of power supply is provided with switch.
Preferably, the input terminal of the switch is electrically connected by conducting wire with the output end of power supply, the output end of the switch It is electrically connected respectively by conducting wire with the input terminal of first motor, the second motor and heating tube.
(3) beneficial effect
The utility model, which provides a kind of sludge resource and crushes, to be dried using device, have it is following the utility model has the advantages that
(1), the sludge resource, which crushes to be dried, utilizes device, is led to by screw rod, feed inlet, first through hole, second The mutual cooperation in hole, first rotating shaft, the second shaft and first motor, when sludge is poured into feed inlet by staff, sludge by First through hole enters in shell, and first motor drives the rotation of the second shaft, and the second shaft drives screw rod rotation, and sludge is in spiral shell Under the action of the frictional force of spinner handle and inner walls, sludge is slowly moved up, and the sewage being mingled in sludge passes through screw rod Housing bottom is slowly flowed into, then shell is flowed out by filter plate, filter plate can obstruct sludge outflow shell, and sludge passes through second Through-hole, which drops into agitator tank, to be dried and crushes, and is improved the efficiency of drying sludge, is conducive to drying sludge product quality Raising.
(2), the sludge resource crush be dried utilize device, by broken shaft, driving device, broken shaft, escape pipe, The mutual cooperation of agitator tank, the second through-hole and heating tube enters in agitator tank when by the sludge of draining, and the second motor drives Driven wheel rotation, driven wheel drive driving wheel to rotate by belt, and driving wheel drives the rotation of the 4th shaft, and the 4th shaft drives broken Broken axis rotation, heating tube work in agitator tank, are thermally dried to sludge, effect of the dry sludge in broken shaft It is lower adequately to be crushed, improve the efficiency of ore crushing.
(3), the sludge resource, which crushes to be dried, utilizes device, passes through the mutual of escape pipe, discharging device and support base Cooperation can flow out agitator tank from escape pipe, the dirt handled by drying and crushing when the gas that sludge generates during heating Mud can be collected by discharging device by staff, by the way that support base is arranged, convenient for being placed to stablizing for agitator tank, and this reality Compact with new structure, design is rationally, practical.
Detailed description of the invention
Fig. 1 is the schematic diagram of the section structure that the utility model is faced;
Fig. 2 is the structural schematic diagram of the utility model left view;
Fig. 3 is the structural schematic diagram of the right view of the utility model.
In figure: 1 agitator tank, 2 first bearings, 3 filter plates, 4 first rotating shafts, 5 first through hole, 6 feed inlets, 7 second through-holes, 8 shells, 9 screw rods, 10 second bearings, 11 second shafts, 12 first motors, 13 fixed plates, 14 3rd bearings, 15 thirds turn Axis, 16 broken shafts, 17 fourth bearings, 18 the 4th shafts, 19 driving devices, 191 driven wheels, 192 belts, 193 driving wheels, 194 Second motor, 20 heating tubes, 21 discharging devices, 211 discharge nozzles, 212 valves, 22 support bases, 23 power supplys, 24 switches, 25 outlets Pipe.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figure 1-3, the utility model provides a kind of technical solution: a kind of sludge resource crushing drying process utilization dress It sets, including agitator tank 1, by the way that agitator tank 1 is arranged, agitator tank 1 provides the place of drying sludge and crushing, and it is dry to be conducive to sludge The left side of the progress of dry work, agitator tank 1 is fixedly connected with the right side of shell 8, and the lower surface of 8 inner wall of shell is connected with Filter plate 3, the upper surface of filter plate 3 are connected with first bearing 2, and by the way that filter plate 3 is arranged, the sewage being mingled in sludge passes through spiral shell Spinner handle 9 slowly flows into 8 bottom of shell, flows out shell 8 using filter plate 3, and filter plate 3 can obstruct sludge outflow shell 8, and First rotating shaft 4 is socketed in first bearing 2, the top of first rotating shaft 4 is fixedly connected with the bottom end of screw rod 9.
The top of screw rod 9 is fixedly connected with the bottom end of the second shaft 11, and by the way that screw rod 9 is arranged, sludge is in screw rod 9 Under the action of the frictional force of 8 inner wall of shell, sludge is slowly moved up, and the sewage being mingled in sludge is slow by screw rod 9 Slug flow enters 8 bottom of shell, and the top of the second shaft 11 passes through second bearing 10 and is fixedly connected with the output shaft of first motor 12, First motor 12 is the servo motor of HC-LP-52B model, by the way that first motor 12 is arranged, when sludge is entered by first through hole 5 Into shell 8, first motor 12 drives the rotation of the second shaft 11, and the second shaft 11 drives screw rod 9 to rotate, and realizes sludge fortune Draining process during material, second bearing 10 are connected to the upper surface of 8 inner wall of shell, and the fuselage difference two of first motor 12 The opposite face of a fixed plate 13 is fixedly connected, and by the way that fixed plate 13 is arranged, is conducive to being placed on shell 8 more for first motor 12 Add stabilization, and the lower surface of two fixed plates 13 is fixedly connected with the upper surface of shell 8.
The left side of 8 inner wall of shell offers first through hole 5, and the right side of the left side of first through hole 5 and feed inlet 6 Face is connected, and by setting feed inlet 6 and first through hole 5, when sludge is poured into feed inlet 6 by staff, sludge is by first Through-hole 5 enters in shell 8, and convenient for the progress of sludge haul process, the right side of feed inlet 6 and the left side of shell 8 are fixed Connection, and the right side of 8 inner wall of shell is connected by the second through-hole 7 with the left side of 1 inner wall of agitator tank, 1 inner wall of agitator tank Upper surface be fixedly connected with heating tube 20, by be arranged heating tube 20, heating tube 20 works in agitator tank 1, to dirt Mud is thermally dried, it should dry wet sludge faster under the stirring of broken shaft 16, and the left side of 1 inner wall of agitator tank Face is connected with 3rd bearing 14, and third shaft 15, and the right end of third shaft 15 and broken shaft 16 are socketed in 3rd bearing 14 Left end be fixedly connected, the right end of broken shaft 16 is fixedly connected with the left end of the 4th shaft 18, by be arranged broken shaft 16, make to fall Enter the crushing to the sludge progress on 16 surface of broken shaft, while improving the drying efficiency of sludge, and the right end of the 4th shaft 18 It is fixedly connected across the fourth bearing 17 for being connected to 1 inner wall right side of agitator tank and with the left side of driving device 19, driving dress Setting 19 includes driven wheel 191, by the way that driving device 19 is arranged, is entered in agitator tank 1 when by the sludge of draining, the second motor 194 drive driven wheel 191 to rotate, and driven wheel 191 drives driving wheel 193 to rotate by belt 192, and driving wheel 193 drives the 4th Shaft 18 rotates, and the 4th shaft 18 drives broken shaft 16 to rotate, and the right end of the left side of driven wheel 191 and the 4th shaft 18 is solid Fixed connection, driven wheel 191 are sequentially connected by belt 192 and driving wheel 193, and the left side of driving wheel 193 and the second motor 194 output shaft is fixedly connected, and the fuselage of the second motor 194 is fixedly connected with the right side of agitator tank 1, and the second motor 194 For the servo motor of 70STX-01 model, by the way that the second motor 194 is arranged, 194 high-speed rotation of the second motor makes broken shaft 16 exist In the state of high speed rotation, sludge is crushed, improve drying sludge crushing working efficiency, and driving device 19 with stir The right side for mixing case 1 is fixedly connected, and the right side of 1 inner wall of agitator tank is connected with the left end of escape pipe 25, by the way that outlet is arranged Pipe 25 can flow out agitator tank 1, the lower surface of agitator tank 1 from escape pipe 25 when the gas that sludge generates during heating It is connected with the upper surface of discharging device 21, discharging device 21 includes discharge nozzle 211, by setting discharging device 21, works as work Personnel open valve 212, can be collected by discharging device 21 by staff by the sludge that drying and crushing is handled, and discharge The top of pipe 211 is connected with the lower surface of 1 inner wall of agitator tank, and the right side of discharge nozzle 211 is provided with valve 212, and stirs The four corners of 1 lower surface of case are fixedly connected to support base 22, by the way that support base 22 is arranged, convenient for agitator tank 1 and shell 8 Stablize and place, the upper surface of agitator tank 1 is fixedly installed with power supply 23, and the upper surface of power supply 23 is provided with switch 24, by setting Power supply 23 is set, first motor 12, the second motor 194 and heating tube 20 are powered, convenient for staff to drying sludge powder The input terminal of the use of broken process, switch 24 is electrically connected by conducting wire with the output end of power supply 23, the output end difference of switch 24 It is electrically connected by conducting wire with the input terminal of first motor 12, the second motor 194 and heating tube 20.
In use, sludge is entered in shell 8 by first through hole 5 firstly, sludge is poured into feed inlet 6 by staff, First motor 12 drives the rotation of the second shaft 11, and the second shaft 11 drives screw rod 9 to rotate, and sludge is in screw rod 9 and shell 8 Under the action of the frictional force of inner wall, sludge is slowly moved up, and the sewage being mingled in sludge slowly flows into shell by screw rod 9 Shell 8 is flowed out using filter plate 3 in 8 bottom of body, and filter plate 3 can obstruct sludge outflow shell 8, then, by draining Sludge enters in agitator tank 1, and the second motor 194 drives driven wheel 191 to rotate, and driven wheel 191 drives master by belt 192 Driving wheel 193 rotates, and driving wheel 193 drives the rotation of the 4th shaft 18, and the 4th shaft 18 drives broken shaft 16 to rotate, and heating tube 20 exists It works in agitator tank 1, sludge is thermally dried, dry sludge carries out sufficient powder under the action of broken shaft 16 Broken, then, the gas that sludge generates during heating flows out agitator tank 1 from escape pipe 25, the dirt handled by drying and crushing Mud is collected by discharging device 21 by staff.
It can to sum up obtain, which, which crushes to be dried, utilizes device, passes through screw rod 9, feed inlet 6, first through hole 5, the mutual cooperation of the second through-hole 7, first rotating shaft 4, the second shaft 11 and first motor 12, when sludge is poured by staff Feed inlet 6, sludge are entered in shell 8 by first through hole 5, and first motor 12 drives the rotation of the second shaft 11, the second shaft 11 Screw rod 9 is driven to rotate, under the action of the frictional force of screw rod 9 and 8 inner wall of shell, sludge slowly moves up sludge, The sewage being mingled in sludge slowly flows into 8 bottom of shell by screw rod 9, flows out shell 8,3 energy of filter plate using filter plate 3 Enough barrier sludge flows out shell 8, and sludge is dropped into agitator tank 1 by the second through-hole 7 and is dried and crushes, and improves sludge Dry efficiency is conducive to the raising of drying sludge product quality.
Meanwhile the sludge resource crush be dried utilize device, by broken shaft 16, driving device 19, broken shaft 16, The mutual cooperation of escape pipe 25, agitator tank 1, the second through-hole 7 and heating tube 20, when the sludge for passing through draining enters agitator tank 1 Interior, the second motor 194 drives driven wheel 191 to rotate, and driven wheel 191 drives driving wheel 193 to rotate by belt 192, driving wheel 193 drive the rotation of the 4th shaft 18, and the 4th shaft 18 drives broken shaft 16 to rotate, and heating tube 20 works in agitator tank 1, Sludge is thermally dried, dry sludge is adequately crushed under the action of broken shaft 16, improves ore crushing Efficiency.
Meanwhile the sludge resource crushes to be dried and utilizes device, passes through escape pipe 25, discharging device 21 and support base 22 mutual cooperation can flow out agitator tank 1 from escape pipe 25, by drying when the gas that sludge generates during heating The sludge of pulverization process can be collected by discharging device 21 by staff, by the way that support base 22 is arranged, convenient for agitator tank 1 Stablize and place, and the utility model which has a compact structure and a reasonable design is practical.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (6)

1. a kind of sludge resource, which crushes to be dried, utilizes device, including agitator tank (1), it is characterised in that: the agitator tank (1) Left side be fixedly connected with the right side of shell (8), and the lower surface of shell (8) inner wall is connected with filter plate (3), the mistake The upper surface of filter plate (3) is connected with first bearing (2), and is socketed with first rotating shaft (4) in first bearing (2), described first turn The top of axis (4) is fixedly connected with the bottom end of screw rod (9);
The top of the screw rod (9) is fixedly connected with the bottom end of the second shaft (11), and the top of the second shaft (11) passes through Second bearing (10) is fixedly connected with the output shaft of first motor (12), and the second bearing (10) is connected to shell (8) inner wall Upper surface, and the fuselage of first motor (12) is distinguished the opposite faces of two fixed plates (13) and is fixedly connected, and two fixed plates (13) lower surface is fixedly connected with the upper surface of shell (8);
The left side of shell (8) inner wall offers first through hole (5), and the left side of first through hole (5) and feed inlet (6) Right side be connected, the right side of the feed inlet (6) is fixedly connected with the left side of shell (8), and shell (8) inner wall Right side is connected by the second through-hole (7) with the left side of agitator tank (1) inner wall.
2. a kind of sludge resource according to claim 1, which crushes to be dried, utilizes device, it is characterised in that: the stirring The upper surface of case (1) inner wall is fixedly connected with heating tube (20), and the left side of agitator tank (1) inner wall is connected with 3rd bearing (14), it is socketed with third shaft (15) in the 3rd bearing (14), and the right end of third shaft (15) and broken shaft (16) Left end is fixedly connected, and the right end of the broken shaft (16) is fixedly connected with the left end of the 4th shaft (18), and the 4th shaft (18) Right end pass through be connected to agitator tank (1) inner wall right side fourth bearing (17) and fixed with the left side of driving device (19) Connection, and driving device (19) is fixedly connected with the right side of agitator tank (1), the right side of agitator tank (1) inner wall with out The left end of tracheae (25) is connected, and the lower surface of the agitator tank (1) is connected with the upper surface of discharging device (21), and stirs The four corners of case (1) lower surface are fixedly connected to support base (22).
3. a kind of sludge resource according to claim 2, which crushes to be dried, utilizes device, it is characterised in that: the driving Device (19) includes driven wheel (191), and the left side of driven wheel (191) is fixedly connected with the right end of the 4th shaft (18), institute It states driven wheel (191) to be sequentially connected by belt (192) and driving wheel (193), and the left side of driving wheel (193) and the second electricity The output shaft of machine (194) is fixedly connected, and the fuselage of second motor (194) is fixedly connected with the right side of agitator tank (1).
4. a kind of sludge resource according to claim 2, which crushes to be dried, utilizes device, it is characterised in that: the discharging Device (21) includes discharge nozzle (211), and the top of discharge nozzle (211) is connected with the lower surface of agitator tank (1) inner wall, described The right side of discharge nozzle (211) is provided with valve (212).
5. a kind of sludge resource according to claim 3, which crushes to be dried, utilizes device, it is characterised in that: described first Motor (12) is the servo motor of HC-LP-52B model, and the second motor (194) is the servo motor of 70STX-01 model, institute The upper surface for stating agitator tank (1) is fixedly installed with power supply (23), and the upper surface of power supply (23) is provided with switch (24).
6. a kind of sludge resource according to claim 5, which crushes to be dried, utilizes device, it is characterised in that: the switch (24) input terminal is electrically connected by conducting wire with the output end of power supply (23), and the output end of the switch (24) passes through conducting wire respectively It is electrically connected with the input terminal of first motor (12), the second motor (194) and heating tube (20).
CN201820883751.6U 2018-06-08 2018-06-08 A kind of sludge resource, which crushes to be dried, utilizes device Expired - Fee Related CN208617686U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820883751.6U CN208617686U (en) 2018-06-08 2018-06-08 A kind of sludge resource, which crushes to be dried, utilizes device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820883751.6U CN208617686U (en) 2018-06-08 2018-06-08 A kind of sludge resource, which crushes to be dried, utilizes device

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Publication Number Publication Date
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110746060A (en) * 2019-10-25 2020-02-04 江西绿巨人生态环境股份有限公司 River sludge treatment device for ecological environment protection
CN112999720A (en) * 2021-03-02 2021-06-22 李哲 Sewage treatment device
CN116444121A (en) * 2023-04-24 2023-07-18 江苏博一环保科技有限公司 Heat pump sludge drying device for preventing sludge from agglomerating into large blocks

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110746060A (en) * 2019-10-25 2020-02-04 江西绿巨人生态环境股份有限公司 River sludge treatment device for ecological environment protection
CN112999720A (en) * 2021-03-02 2021-06-22 李哲 Sewage treatment device
CN112999720B (en) * 2021-03-02 2023-11-17 山西喜丰航化工有限公司 Sewage treatment device
CN116444121A (en) * 2023-04-24 2023-07-18 江苏博一环保科技有限公司 Heat pump sludge drying device for preventing sludge from agglomerating into large blocks

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GR01 Patent grant
GR01 Patent grant
EE01 Entry into force of recordation of patent licensing contract
EE01 Entry into force of recordation of patent licensing contract

Assignee: Nanjing jingyipu Photoelectric Technology Co., Ltd

Assignor: Nanjing Forestry University

Contract record no.: X2019320000200

Denomination of utility model: Mud resource crushing and drying handles and utilizes device

Granted publication date: 20190319

License type: Common License

Record date: 20191106

Assignee: Nanjing qunyue Technology Co., Ltd

Assignor: Nanjing Forestry University

Contract record no.: X2019320000199

Denomination of utility model: Mud resource crushing and drying handles and utilizes device

Granted publication date: 20190319

License type: Common License

Record date: 20191106

Assignee: Nanjing soutian Data Technology Co., Ltd.

Assignor: Nanjing Forestry University

Contract record no.: X2019320000201

Denomination of utility model: Mud resource crushing and drying handles and utilizes device

Granted publication date: 20190319

License type: Common License

Record date: 20191106

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: 20190319

Termination date: 20200608