CN112096488B - DPF pneumatic cleaning device - Google Patents

DPF pneumatic cleaning device Download PDF

Info

Publication number
CN112096488B
CN112096488B CN202011283161.8A CN202011283161A CN112096488B CN 112096488 B CN112096488 B CN 112096488B CN 202011283161 A CN202011283161 A CN 202011283161A CN 112096488 B CN112096488 B CN 112096488B
Authority
CN
China
Prior art keywords
frame
dpf
bevel gear
rod
cleaning device
Prior art date
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.)
Active
Application number
CN202011283161.8A
Other languages
Chinese (zh)
Other versions
CN112096488A (en
Inventor
王锋英
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shandong Atk Environmental Protection Technology Co ltd
Original Assignee
Shandong Atk Environmental Protection Technology Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shandong Atk Environmental Protection Technology Co ltd filed Critical Shandong Atk Environmental Protection Technology Co ltd
Priority to CN202011283161.8A priority Critical patent/CN112096488B/en
Publication of CN112096488A publication Critical patent/CN112096488A/en
Application granted granted Critical
Publication of CN112096488B publication Critical patent/CN112096488B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/02Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
    • F01N3/021Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
    • F01N3/023Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles
    • F01N3/0237Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles for regenerating ex situ

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Processes For Solid Components From Exhaust (AREA)

Abstract

The invention relates to the field of DPF treatment, in particular to a DPF pneumatic cleaning device which comprises an operation table board, wherein clamping devices are respectively arranged on two sides of the upper end of the operation table board, a rack is arranged at the lower end of the operation table board, a gas supply device is arranged on the upper portion of the rack, a power transmission device is arranged in the middle of the rack, an impurity filtering device is arranged on the lower portion of the rack, the gas supply device comprises clean gas connecting blocks which are arranged on two sides of the upper portion of the rack, the clean gas connecting blocks are connected through a first pipe body, heating plates are respectively arranged on two sides of the middle of the first pipe body, a supporting frame is arranged in the middle of the first pipe body, PM (particulate matters) in a DPF can be burnt through heated air, the burnt particulate matters can be blown out through airflow, and good cleaning performance can be realized through forward and reverse work, the operation is easy, the steps are simple, and the particulate matters in the DPF can be effectively removed.

Description

DPF pneumatic cleaning device
Technical Field
The invention relates to the field of DPF treatment, in particular to a DPF pneumatic cleaning device.
Background
The DPF, i.e., the particulate trap, is actually a large filter element for filtering particulate matters, and collects all impurities such as black smoke generated by the engine, so that the emission of the particulate matters is reduced, the more harmful substances are, the better the harmful substances are, the problem is caused, so the DPF can try to get rid of the impurities by themselves, the collected black smoke is burnt out in an exhaust gas heating mode, the process is called DPF regeneration, the filter element after regeneration can keep smooth, the performance of the engine cannot be influenced by blockage, and ash cannot be eliminated by heating or burning, so the ash can be always present in the DPF. Under normal conditions, after DPF runs for a period of mileage, ash can block up DPF gradually, so we must carry out a series of maintenance such as periodic deashing, and current DPF cleaning device washs through ultrasonic wave and washing liquid, can appear that the step is loaded down with trivial details, the trouble condition of washing stoste aftertreatment can appear.
Disclosure of Invention
The invention aims to provide a DPF pneumatic cleaning device to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a DPF pneumatic cleaning device comprises an operation table board, wherein clamping devices are respectively arranged on two sides of the upper end of the operation table board, a rack is arranged at the lower end of the operation table board, an air supply device is arranged on the upper portion of the rack, a power transmission device is arranged in the middle of the rack, an impurity filtering device is arranged on the lower portion of the rack, the air supply device comprises clean gas connecting blocks arranged on two sides of the upper portion of the rack, the clean gas connecting blocks are connected through a first pipe body, heating plates are respectively arranged on two sides of the middle portion of the first pipe body, a supporting frame is arranged in the middle of the first pipe body, a second pipe body is connected with the middle portion of the supporting frame through a bearing, a fan is arranged on one side of the second pipe body, the impurity filtering device comprises waste gas connecting blocks arranged on two sides of the middle, at least 2 groups of stirring rods are arranged at the lower part of the stirring shaft, and gas connecting devices are arranged at one sides of the gas supply device and the impurity filtering device.
As a further scheme of the invention: clamping device installs first internal thread piece including fixing backup pad and the L type bracing piece in the operation mesa both sides on backup pad upper portion, and first internal thread piece threaded connection has first external screw thread pole, and rotation hand wheel is installed to first external screw thread pole one side, and first external screw thread pole opposite side installs first bearing, and first bearing and L type bracing piece one side all install and press from both sides tight piece.
As a further scheme of the invention: and a flexible cushion block is arranged on the inner side of the clamping block.
As a further scheme of the invention: the supporting plate is provided with a second bearing in the middle, and the second bearing is connected with a first rod body fixedly arranged at the lower part of the clamping block connected with the first bearing in a sliding manner.
As a further scheme of the invention: and the upper end of the water tank frame is provided with an air outlet guide pipe communicated with the outside of the rack.
As a further scheme of the invention: the power transmission device comprises a motor fixed inside a rack, an output shaft is installed on one side of the motor, a second driving bevel gear is installed in the middle of the output shaft, a second driven bevel gear is meshed at the upper end of the second driving bevel gear, a third rod body is installed in the middle of the second driven bevel gear, a first driving bevel gear is installed at the upper end of the third rod body, a first driven bevel gear fixed on one side of the second rod body is meshed at one side of the first driving bevel gear, a third driving bevel gear is installed on the right side of the output shaft, and a third driven bevel gear fixed at the upper end of a stirring shaft is meshed.
As a further scheme of the invention: the gas connecting device comprises a breather pipe which is connected with the gas supply device and the impurity filtering device in a clamping manner, an elastic rubber pipe is arranged on the other side of the breather pipe, and an automatic fastening and fixing belt is arranged on the outer side of the elastic rubber pipe.
As a further scheme of the invention: and one side of the rack is provided with an operation panel.
As a further scheme of the invention: and a maintenance switch board is installed on one side of the rack.
As a still further scheme of the invention: the upper part of the water tank frame is provided with a liquid injection switch, and the lower part of the water tank frame is provided with a liquid outlet switch.
Compared with the prior art, the invention has the beneficial effects that: through clamping device, power transmission device, impurity filter equipment, air supply device and gas connecting device's setting make this device burn for PM (particulate matter) in the DPF through the air of heating to blow out the particulate matter of burning through the air current, realize good cleaning performance through forward and reverse work, the easy operation, the step is simple, and can carry out effectual cleaing away to the particulate matter in the DPF.
Drawings
Fig. 1 is a schematic structural diagram of a DPF pneumatic cleaning device.
Fig. 2 is a schematic diagram of the internal structure of a frame in a DPF pneumatic cleaning device.
Fig. 3 is a schematic structural diagram of an air outlet guide pipe in a DPF pneumatic cleaning device.
In the figure: 1-rotating hand wheel, 2-first internal thread block, 3-first external thread rod, 4-first rod body, 5-first bearing, 6-second bearing, 7-clamping block, 8-flexible cushion block, 9-L-shaped support rod, 10-support plate, 11-operation table top, 12-frame, 13-maintenance switch plate, 14-waste gas connection block, 15-clean gas connection block, 16-vent pipe, 17-elastic rubber pipe, 18-automatic fastening fixing belt, 19-heating plate, 20-first pipe body, 21-support frame, 22-fan, 23-second rod body, 24-first driven bevel gear, 25-first driving bevel gear, 26-third rod body, 27-second driven bevel gear, 28-a second driving bevel gear, 29-a motor, 30-an output shaft, 31-a third driving bevel gear, 32-a third driven bevel gear, 33-an air outlet guide pipe, 34-a water tank frame, 35-a stirring shaft, 36-a stirring rod, 37-a second pipe body, 38-a liquid injection switch and 39-a liquid outlet switch.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore are not to be construed as limiting the invention, and further, the terms "first", "second", etc., are used only for descriptive purposes and are not intended to indicate or imply relative importance or to implicitly indicate the number of technical features indicated, whereby the features defined as "first", "second", etc., may explicitly or implicitly include one or more of such features, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, and the two elements may be communicated with each other, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art through specific situations.
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
Example 1
Referring to fig. 1 to 3, in the embodiment of the present invention, a DPF pneumatic cleaning device includes an operation table 11, clamping devices are mounted on both sides of an upper end of the operation table 11, a frame 12 is mounted on a lower end of the operation table 11, an air supply device is mounted on an upper portion of the frame 12, a power transmission device is mounted in a middle portion of the frame 12, an impurity filtering device is mounted on a lower portion of the frame 12, the air supply device includes clean gas connecting blocks 15 mounted on both sides of an upper portion of the frame 12, the clean gas connecting blocks 15 are connected with each other through a first pipe 20, heating plates 19 are mounted on both sides of a middle portion of the first pipe 20, a support frame 21 is mounted in the middle portion of the first pipe 20, a second pipe 23 is connected to the middle portion of the support frame 21 through a bearing, a fan 22 is mounted on one side of the second pipe 23, the impurity filtering, the second pipe body 37 is connected through a water tank frame 34, the middle part of the bottom end of the water tank frame 34 is connected with a stirring shaft 35 through a bearing, at least 2 groups of stirring rods 36 are installed on the lower part of the stirring shaft 35, and a gas connecting device is installed on one side of the gas supply device and one side of the impurity filtering device.
Further, clamping device is including fixing backup pad 10 and the L type bracing piece in 11 both sides of operation mesa, and first internal thread piece 2 is installed on backup pad 10 upper portion, and 2 threaded connection of first internal thread piece have first external screw thread pole 3, and rotation hand wheel 1 is installed to 3 one sides of first external screw thread pole, and first bearing 5 is installed to 3 opposite sides of first external screw thread pole, and first bearing 5 and L type bracing piece 9 one side are all installed and are pressed from both sides tight piece 7, press from both sides tight piece 7 inboard and install flexible cushion 8, backup pad 10 mid-mounting has second bearing 6, and 6 sliding connection of second bearing have fix the first body of rod 4 who is connected with the tight piece 7 lower part of clamp of first bearing 5, the guide tube 33 of giving vent to anger of the outside intercommunication with frame 12 is installed to water tank frame 34 upper.
Further, the power transmission device comprises a motor 29 fixed inside the frame 12, an output shaft 30 is installed on one side of the motor 29, a second driving bevel gear 28 is installed in the middle of the output shaft 30, a second driven bevel gear 27 is meshed with the upper end of the second driving bevel gear 28, a third rod body 26 is installed in the middle of the second driven bevel gear 27, a first driving bevel gear 25 is installed on the upper end of the third rod body 26, a first driven bevel gear 24 fixed on one side of the second rod body 23 is meshed with one side of the first driving bevel gear 25, a third driving bevel gear 31 is installed on the right side of the output shaft 30, and a third driven bevel gear 32 fixed on the upper end of the stirring shaft 35 is meshed with the third driving bevel.
Further, the gas connecting device comprises a vent pipe 16 which is connected with the gas supply device and the impurity filtering device in a clamping manner, an elastic rubber pipe 17 is installed on the other side of the vent pipe 16, an automatic fastening and fixing belt 18 is installed on the outer side of the elastic rubber pipe 17, an operation and control panel is installed on one side of the rack 12, and an overhaul and maintenance switch board 13 is installed on one side of the rack 12.
Example 2
In another embodiment of the present invention, the embodiment is different from the above-mentioned embodiments in that a liquid filling switch 38 is installed at an upper portion of the tank frame 34, and a liquid discharging switch 39 is installed at a lower portion of the tank frame 34 for discharging the impurity-containing water and filling new clean water.
The working principle of the invention is as follows: firstly, the DPF is placed between two clamping devices, the hand wheel 1 is rotated by rotating, the hand wheel 1 is rotated to drive the first external thread rod 3 to rotate, the first external thread rod 3 moves inwards under the limit of the first internal thread block 2 and the first rod body 4, so that the two clamping blocks 7 at the same side clamp the DPF tightly, the DPF is fixed, the elastic rubber pipes 17 at the left side and the right side are sleeved at the two sides of the DPF and are fixed by an automatic fastening belt fixing 18, the vent pipes 16 at the two sides are respectively arranged on the waste gas connecting block 14 and the clean gas connecting block 15, when the vent pipe 16 at the right side is connected with the clean gas connecting block 15, the heating plate 19 at the right side and the motor 29 is started, when the vent pipe 16 at the left side is connected with the clean gas connecting block 15, the motor 29 is started to rotate reversely and the heating plate 19 at the left side, the reason is that the fan 22, the second rod body 23, the first driving bevel gear 25, the first, the shortening of the service life of parts caused by hot air is avoided, the cleaning principle is that a motor 29 drives an output shaft 30 to rotate, the output shaft 30 drives a second driving bevel gear 28 to rotate, the second driving bevel gear 28 drives a second driven bevel gear 27 to rotate, the second driven bevel gear 27 drives a third rod body 26 to rotate, the third rod body 26 drives a first driving bevel gear 25 to rotate, the first driving bevel gear 25 drives a first driven bevel gear 24 to rotate, the first driven bevel gear 24 drives a second rod body 23 to rotate, the second rod body 23 drives a fan 22 to rotate, so that the wind power is started, when passing through a heating plate 19, the wind is changed into high-temperature wind exceeding 600 ℃, enters the DPF through a vent pipe 16, particulate matters in the DPF are taken away with the wind after carbonization and combustion, so that the cleaning of the DPF is realized, the carbonized ash enters a water tank frame 34 along with the wind through the vent pipe 16, and a stirring rod 36 in the water, the bubble is broken, the waste gas is filtered, the waste gas is prevented from directly entering the outside, and the principle of rotation of the stirring rod 36 is that the output shaft 30 drives the third driving bevel gear 31 to rotate, the third driving bevel gear 31 drives the third driven bevel gear 32 to rotate, the third driven bevel gear 32 drives the stirring shaft 35 to rotate, and the stirring shaft 35 drives the stirring rod 36 to rotate.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (9)

1. The utility model provides a pneumatic belt cleaning device of DPF, includes operation mesa (11), its characterized in that, clamping device is all installed to operation mesa (11) upper end both sides, and frame (12) are installed to operation mesa (11) lower extreme, and frame (12) upper portion installs the air supply unit, and frame (12) mid-mounting has power transmission device, and impurity filter equipment is installed to frame (12) lower part, air supply unit is including installing clean gas connecting block (15) in frame (12) upper portion both sides, connects through first body (20) between clean gas connecting block (15), and hot plate (19) are all installed to first body (20) middle part both sides, and first body (20) mid-mounting has support frame (21), and support frame (21) middle part is connected with second body of rod (23) through the bearing, and fan (22) are installed to second body of rod (23) one side, impurity filter equipment is including installing waste gas connecting block (14) of frame (12) middle part both, waste gas connecting block (14) inboard all installs second body (37), connects through water tank frame (34) between second body (37), and water tank frame (34) bottom middle part is connected with (mixing) shaft (35) through the bearing, (mixing) shaft (35) lower part is installed and is organized puddler (36) 2 at least, gas supply device and impurity filter equipment one side all install gas junction device, power transmission device is including fixing motor (29) inside frame (12), and output shaft (30) are installed to motor (29) one side, and output shaft (30) mid-mounting has second initiative bevel gear (28), and second initiative bevel gear (28) upper end meshing has second passive bevel gear (27), and second passive bevel gear (27) mid-mounting has third body of rod (26), and first initiative bevel gear (25) are installed to third body of rod (26) upper end, and first initiative bevel gear (25) one side meshing has first passive bevel gear (24) of fixing in second body of rod (23) one side A third driving bevel gear (31) is installed on the right side of the output shaft (30), and a third driven bevel gear (32) fixed to the upper end of the stirring shaft (35) is meshed with the third driving bevel gear (31).
2. The pneumatic DPF cleaning device according to claim 1, wherein the clamping device comprises a support plate (10) and an L-shaped support rod (9) which are fixed on two sides of an operation table top (11), a first internal thread block (2) is installed on the upper portion of the support plate (10), a first external thread rod (3) is connected to the first internal thread block (2) in a threaded mode, a rotating hand wheel (1) is installed on one side of the first external thread rod (3), a first bearing (5) is installed on the other side of the first external thread rod (3), and a clamping block (7) is installed on each of the first bearing (5) and the L-shaped support rod (9).
3. Pneumatic DPF cleaning device according to claim 2, characterized in that inside the clamping blocks (7) there is mounted a flexible mat (8).
4. Pneumatic DPF cleaning device according to claim 2, characterized in that a second bearing (6) is mounted in the middle of the support plate (10), the second bearing (6) being slidably connected to a first rod (4) fixed to the lower part of the clamping block (7) to which the first bearing (5) is connected.
5. The pneumatic DPF cleaning device as claimed in claim 1, wherein an air outlet guide pipe (33) communicated with the outside of the frame (12) is installed at the upper end of the water tank frame (34).
6. The pneumatic DPF cleaning device according to claim 1, wherein the gas connecting device comprises a vent pipe (16) clamping the gas feeding device and the impurity filtering device, an elastic rubber pipe (17) is installed on the other side of the vent pipe (16), and an automatic buckle fixing belt (18) is installed on the outer side of the elastic rubber pipe (17).
7. A DPF pneumatic cleaning device according to claim 1, characterized in that a control panel is mounted on one side of the frame (12).
8. A DPF pneumatic cleaning device according to claim 2, characterized in that a service switch board (13) is installed at one side of the frame (12).
9. The pneumatic DPF cleaning device as claimed in claim 1 or 2, wherein a liquid filling switch (38) is installed at the upper part of the water tank frame (34), and a liquid outlet switch (39) is installed at the lower part of the water tank frame (34).
CN202011283161.8A 2020-11-17 2020-11-17 DPF pneumatic cleaning device Active CN112096488B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011283161.8A CN112096488B (en) 2020-11-17 2020-11-17 DPF pneumatic cleaning device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011283161.8A CN112096488B (en) 2020-11-17 2020-11-17 DPF pneumatic cleaning device

Publications (2)

Publication Number Publication Date
CN112096488A CN112096488A (en) 2020-12-18
CN112096488B true CN112096488B (en) 2021-02-02

Family

ID=73785469

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011283161.8A Active CN112096488B (en) 2020-11-17 2020-11-17 DPF pneumatic cleaning device

Country Status (1)

Country Link
CN (1) CN112096488B (en)

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8241403B2 (en) * 2009-06-08 2012-08-14 Catalytic Solutions, Inc. Apparatus and method for regenerating a carbon filter
CN106050364A (en) * 2016-07-29 2016-10-26 东风商用车有限公司 Rotary back-blowing cleaning device of diesel particulate filter
CN207348935U (en) * 2017-06-05 2018-05-11 贵州黄帝车辆净化器有限公司 For purging the cleaning plant of vehicle-mounted particle trapper offline
CN108104910A (en) * 2017-11-03 2018-06-01 宁波行瑞汽车尾气监测有限公司 A kind of DPF mounting brackets of DPF cleaning plants
CN208431049U (en) * 2018-07-04 2019-01-25 无锡双翼汽车环保科技有限公司 Multifunctional recycled device
IT201900001509A1 (en) * 2019-02-01 2020-08-01 Nuova A F R Air Filter Recycling S R L Cleaning apparatus for motor vehicle unloading units
CN209976599U (en) * 2019-05-25 2020-01-21 浙江银轮智能装备有限公司 DPF cleaning machine
CN111420713B (en) * 2020-05-15 2024-04-02 张洪东 Regeneration device of catalytic converter of automobile engine
CN111894719A (en) * 2020-08-12 2020-11-06 杭州界羽科技有限公司 Detachable tail gas purification device with cleaning and replacing functions

Also Published As

Publication number Publication date
CN112096488A (en) 2020-12-18

Similar Documents

Publication Publication Date Title
CN112096488B (en) DPF pneumatic cleaning device
CN210645881U (en) Grate-fired furnace flue gas denitration SCR reactor
CN112076541B (en) Carbon removal machine for DPF
CN217854781U (en) Self-cleaning air source heat pump for vehicle
CN216703950U (en) Automatic cleaning device of honeycomb formula catalyst kiln ammonium sulfate
CN214653919U (en) Novel MBR membrane complete sewage treatment equipment
CN214513645U (en) Activated carbon adsorption desorption exhaust gas purification device
CN220656856U (en) Waste gas purification device for glass fiber reinforced plastic grille production
CN112675620A (en) Energy-concerving and environment-protective industrial waste gas treatment device
CN217785164U (en) A exhaust purification is discharged and is kept away subassembly for coating production
CN201454320U (en) Smoke dust purifying device
CN213335256U (en) Power station boiler coal slime flue gas drying device
CN221006021U (en) Thermal waste heat recovery device
CN219361033U (en) Railway diesel locomotive exhaust chimney outlet protection device
CN214836627U (en) Particle filter supporting mechanism
CN220968510U (en) Gas module steam generator
CN216844709U (en) Safe energy-saving heat retrieval and utilization manifold type catalytic combustion equipment
CN217560413U (en) Heat energy recovery device of steam boiler with sectional combustion
CN214075586U (en) High-efficient boiler exhaust treatment device that filters
CN220322143U (en) Heat energy recovery device for heat energy power engineering
CN216868523U (en) Domestic waste burns gaseous purifier
CN220779693U (en) Dry quenching Jiao Weiqi desulfurization dust remover
CN219128749U (en) Tail gas emission device of heat supply boiler
CN218901197U (en) Steam turbine drainage heat recovery device of power plant
CN220454367U (en) Waste heat recovery device based on flue gas emission

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
PE01 Entry into force of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of invention: DPF pneumatic cleaning device

Effective date of registration: 20211220

Granted publication date: 20210202

Pledgee: Shandong Zhucheng rural commercial bank Limited by Share Ltd.

Pledgor: SHANDONG ATK ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd.

Registration number: Y2021980015754

PC01 Cancellation of the registration of the contract for pledge of patent right
PC01 Cancellation of the registration of the contract for pledge of patent right

Date of cancellation: 20230109

Granted publication date: 20210202

Pledgee: Shandong Zhucheng rural commercial bank Limited by Share Ltd.

Pledgor: SHANDONG ATK ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd.

Registration number: Y2021980015754