CN106178755B - A kind of hot waste gas environment-friendly temperature-reducing dust removal and filtration system - Google Patents
A kind of hot waste gas environment-friendly temperature-reducing dust removal and filtration system Download PDFInfo
- Publication number
- CN106178755B CN106178755B CN201610789059.2A CN201610789059A CN106178755B CN 106178755 B CN106178755 B CN 106178755B CN 201610789059 A CN201610789059 A CN 201610789059A CN 106178755 B CN106178755 B CN 106178755B
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- China
- Prior art keywords
- staving
- fixed
- waste gas
- bung
- hot waste
- Prior art date
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- 239000002912 waste gas Substances 0.000 title claims abstract description 28
- 238000001914 filtration Methods 0.000 title claims abstract description 22
- 239000000428 dust Substances 0.000 title claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 73
- 238000007789 sealing Methods 0.000 claims description 12
- 239000002184 metal Substances 0.000 claims description 10
- 229910052751 metal Inorganic materials 0.000 claims description 10
- 239000007789 gas Substances 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 239000012535 impurity Substances 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/02—Separating dispersed particles from gases, air or vapours by liquid as separating agent by passing the gas or air or vapour over or through a liquid bath
- B01D47/028—Separating dispersed particles from gases, air or vapours by liquid as separating agent by passing the gas or air or vapour over or through a liquid bath by directing the gas through a wetted wire mesh or a perforated plate
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention discloses a kind of hot waste gas environment-friendly temperature-reducing dust removal and filtration system, including staving, support frame and water tank, bung is fixed with the top of the staving, the top of the inner chamber body of bung covering staving, the bottom of staving has drainage conduit body, support frame includes main supporting plate, Main shoe plate top surface is fixed with side support plate, contiguous block is fixed in two side support plates, the middle top surface of contiguous block has slot, the middle part bottom surface of slot has conical through-hole, staving sleeve is in slot, the bottom of staving is tapered portion, tapered portion sleeve is in conical through-hole, the lateral wall of tapered portion is pressed against on the madial wall of conical through-hole, drainage conduit body extends downwardly from contiguous block；It can remove to the impurity in hot waste gas and be separated aqueous and magazine by water tank, meanwhile the aqueous that the heat energy of hot waste gas is exchanged heat and gives the logical middle flowing of heat exchange is heated, so as in the case where lowering the temperature of waste gas, heat energy can also be utilized, plays energy-saving effect.
Description
Technical field：
The present invention relates to technical field of environment protection equipment, more specifically to a kind of hot waste gas environment-friendly temperature-reducing dust removal and filtration system
System.
Background technology：
Dust and high temperature in existing hot waste gas be present, environment is easily polluted in directly discharge, and existing mode is to pass through
Hot gas can be removed by modes such as bag-type dusts to the dust in waste gas, but its heat can not be removed or profit
With so that its environment protecting is limited.
The content of the invention：
The purpose of the present invention and provides a kind of hot waste gas environment-friendly temperature-reducing dust removal and filtration system aiming at the deficiency of prior art
System, it can remove to the impurity in hot waste gas and be separated aqueous and magazine by water tank, meanwhile, the heat energy of hot waste gas is entered
The aqueous that row exchanges heat and gives the logical middle flowing of heat exchange is heated, so that in the case where lowering the temperature of waste gas, moreover it is possible to utilize
Heat energy, play energy-saving effect.
The technology solution of the present invention is as follows：
A kind of hot waste gas environment-friendly temperature-reducing dust removal and filtration system, including staving, support frame and water tank, the top of the staving are consolidated
Surely there are bung, the top of the inner chamber body of bung covering staving, the bottom of staving has drainage conduit body, and support frame includes main support
Plate, Main shoe plate top surface are fixed with side support plate, and contiguous block is fixed in two side support plates, the middle top surface tool of contiguous block
There is slot, the middle part bottom surface of slot has conical through-hole, and staving sleeve is in slot, and the bottom of staving is tapered portion, tapered portion
In conical through-hole, the lateral wall of tapered portion is pressed against on the madial wall of conical through-hole sleeve, and drainage conduit body extends downwardly from connecting
Block；
It is Main shoe plate to be fixedly arranged in the middle of total contiguous block, there is connecting hole in the middle part of the top surface of total contiguous block, connecting hole it is interior
Total sealing ring is nested with the positioning annular groove having in side wall, drainage conduit body sleeve is in connecting hole, total sealing ring elasticity
It is pressed against on the lateral wall of drainage conduit body, the bottom surface of connecting hole forms draining and is spirally connected through hole, and one end of main sewer is screwed onto
Draining is spirally connected in through hole, and the other end of main sewer connects the upper portion side wall of water tank, and water tank fixes putting of forming on the ground
Put on the bottom surface of groove, the lower sides of water tank have connected connecting water pipe, and the ground of standing groove is fixed with draining pump, and connecting water pipe leads to
Run in the water inlet end of water pump, and the water side of draining pump connects total outlet pipe body, and water tank is fixedly arranged in the middle of screen pack, and screen pack will
Water tank is separated into upper cavity and lower chamber, and main sewer communicates with upper cavity, and connecting water pipe connects lower chamber；
The inside middle portion wall of staving is fixed with annular brace circle, is fixed on the madial wall of the staving of the lower section of annular brace circle
There is permanent magnet ring body, in annular brace circle, the bottom face for the bucket that exchanges heat is pressed against and adsorbed in permanent magnet ring body heat exchange bucket sleeve
On top surface, exhaust inlet pipe is connected in the side wall of the staving of the lower section of permanent magnet ring body, the top surface edge of bung has gas
Exhaust outlet；
The middle top surface of the bung is fixed with electric rotating machine, and the output shaft of electric rotating machine extends downwardly from bung and is fixed with
Rotary blade, there is jack on bung, enter head and be fixed on bung, the bottom connection end for entering head is passed down through jack and spiral shell
Shower nozzle is connected to, shower nozzle is in the top of rotary blade.
Connection ring body is inserted with the staving of the top of the heat exchange bucket, the side wall for connecting ring body is bolted to connection
On the madial wall of staving, connect and metal filtration mesh sheet is fixed with ring body, metal filtration mesh sheet is in the top of heat exchange bucket, rotation
Rotary impeller is in the top of metal filtration mesh sheet.
Helical form opening is formed in the side wall of the heat exchange bucket, the bottom sidewall for the bucket that exchanges heat has connected water inlet pipe, changes
The upper portion side wall of hot bucket has connected outlet pipe, and the both ends of water inlet pipe and outlet pipe respectively with helical form opening communicate.
Water pipe is bolted with the water inlet pipe and outlet pipe, water pipe stretches out in the side wall of staving the corresponding side formed
Wall jack.
Sealing ring is nested with the madial wall of the side wall jack, sealing ring elasticity is pressed against on the lateral wall of water pipe.
Secondary seal ring is clamped between the end of the water pipe and corresponding water inlet pipe or the end of outlet pipe.
Sealed elastic layer is fixed with the madial wall of the annular brace circle, the lateral wall for the bucket that exchanges heat is pressed against sealed elastic
Layer.
Positioning ring part is fixed with the inside middle portion wall of the water tank, the edge of screen pack is pressed against positioning ring part
On top surface and it is bolted to connection on positioning ring part.
The beneficial effects of the present invention are：
It can remove to the impurity in hot waste gas and be separated aqueous and magazine by water tank, meanwhile, by hot waste gas
The aqueous that heat energy is exchanged heat and gives the logical middle flowing of heat exchange is heated, so that in the case where lowering the temperature of waste gas, also
Heat energy can be utilized, play energy-saving effect.
Brief description of the drawings：
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the structural representation at the staving of the present invention；
Fig. 3 is Fig. 2 partial enlarged drawing.
Embodiment：
Embodiment：As shown in Fig. 1 to Fig. 3, a kind of hot waste gas environment-friendly temperature-reducing dust removal and filtration system, including staving 10, support
Frame 50 and water tank 60, the top of the staving 10 are fixed with bung 20, and bung 20 covers the top of the inner chamber body of staving 10, staving
10 bottom has drainage conduit body 11, and support frame 50 includes main supporting plate 51, and the top surface of main supporting plate 51 is fixed with side support plate
52, contiguous block 53 is fixed in two side support plates 52, and the middle top surface of contiguous block 53 has slot 54, the middle part bottom of slot 54
Face has conical through-hole 55, and the sleeve of staving 10 is in slot 54, and the bottom of staving 10 is tapered portion, and tapered portion sleeve leads in taper
In hole 55, the lateral wall of tapered portion is pressed against on the madial wall of conical through-hole 55, and drainage conduit body 11 extends downwardly from contiguous block 53；
Main supporting plate 51 is fixedly arranged in the middle of total contiguous block 56, has connecting hole 561 in the middle part of the top surface of total contiguous block 56, even
Connect and total sealing ring 562 is nested with the positioning annular groove having on the madial wall in hole 561, the sleeve of drainage conduit body 11 is in connecting hole
In 561, total elasticity of sealing ring 562 is pressed against on the lateral wall of drainage conduit body 11, and the bottom surface of connecting hole 561 forms draining and is spirally connected
Through hole 563, one end of main sewer 5 are screwed onto draining and are spirally connected in through hole 563, and the other end of main sewer 5 connects water tank 60
Upper portion side wall, water tank 60 are fixed on the ground on the bottom surface of the standing groove 70 formed, and the lower sides of water tank 60 have connected company
Water receiving pipe 61, the ground of standing groove 70 are fixed with draining pump 62, and connecting water pipe 61 connects the water inlet end of draining pump 62, draining pump 62
Water side connect total outlet pipe body, water tank 60 is fixedly arranged in the middle of screen pack 64, and water tank 60 is separated into epicoele by screen pack 64
Body and lower chamber, main sewer 5 communicate with upper cavity, and connecting water pipe 61 connects lower chamber；
The inside middle portion wall of staving 10 is fixed with annular brace circle 12, the inner side of the staving 10 of the lower section of annular brace circle 12
Permanent magnet ring body 13 is fixed with wall, in annular brace circle 12, the bottom face of heat exchange bucket 30 is pressed against and inhaled the heat exchange sleeve of bucket 30
It is attached on the top surface of permanent magnet ring body 13, exhaust inlet pipe has been connected in the side wall of the staving 10 of the lower section of permanent magnet ring body 13
14, the top surface edge of bung 20 has gas exhaust port 21；
The middle top surface of the bung 20 is fixed with electric rotating machine 22, and the output shaft of electric rotating machine 22 extends downwardly from bung 20
And rotary blade 23 is fixed with, there is jack 24 on bung 20, enter head 25 and be fixed on bung 20, the bottom for entering head 25 connects
Connect end 251 to be passed down through jack 24 and be bolted with shower nozzle 252, shower nozzle 252 is in the top of rotary blade 23.
Further, connection ring body 140 is inserted with the staving 10 of the top of the heat exchange bucket 30, connects ring body 140
Side wall be bolted to connection on the madial wall of staving 10, connect ring body 140 on be fixed with metal filtration mesh sheet 15, gold
Belong to the top that filter net sheet 15 is in heat exchange bucket 30, rotary blade 23 is in the top of metal filtration mesh sheet 15.
Further, helical form opening 31 is formed in the side wall of the heat exchange bucket 30, the bottom side for the bucket 30 that exchanges heat
Wall has connected water inlet pipe 32, and the upper portion side wall of heat exchange bucket 30 has connected outlet pipe 33, water inlet pipe 32 and outlet pipe 33 respectively with spiral shell
The both ends of rotation shape opening 31 communicate.
Further, water pipe 34 is bolted with the water inlet pipe 32 and outlet pipe 33, water pipe 34 stretches out staving 10
The corresponding side wall jack 16 formed in side wall.
Further, sealing ring 17 is nested with the madial wall of the side wall jack 16, the elasticity of sealing ring 17 is pressed against
On the lateral wall of water pipe 34.
Further, it is clamped between the end of the water pipe 34 and corresponding water inlet pipe 32 or the end of outlet pipe 33
Secondary seal ring 35.
Further, sealed elastic layer 121 is fixed with the madial wall of the annular brace circle 12, outside the bucket 30 that exchanges heat
Side wall is pressed against sealed elastic layer 121.
Further, positioning ring part 65, the edge of screen pack 64 are fixed with the inside middle portion wall of the water tank 60
It is pressed against on the top surface of positioning ring part 65 and is bolted to connection on positioning ring part 65.
Operation principle:Hot waste gas is entered from exhaust inlet pipe 14, then, by exchange heat bucket 30 when, with heat exchange bucket 30 in
The cold water of flowing is exchanged heat, and cold water enters helical form opening 31 by the water pipe 34 of one end, and is flowed from another water pipe 34
Going out, the hot waste gas after heat exchange enters in metal filtration mesh sheet 15, and by entering the water flowing of head 25, aqueous is sprayed by shower nozzle 252, is led to
Cross electric rotating machine 22 to run so that rotary blade 23 is rotated, and aqueous is atomized and is at metal filtration mesh sheet 15, is thus made
Hot waste gas after must exchanging heat is contacted with the aqueous being atomized so that the impurity such as solid particle in hot waste gas is mixed and dripped with fog
Discharged from drainage conduit body 11, and the gas after handling is discharged from gas exhaust port 21.
After the aqueous for being mixed with impurity discharged from drainage conduit body 11 enters in water tank 60 and filtered by screen pack 64, lead to
Cross draining pump 62 to discharge aqueous, so as to play filter effect.
And the top surface of the main supporting plate 51 of support frame 50 is fixed with side support plate 52, contiguous block 53 is fixed on two collateral supports
On plate 52, the middle top surface of contiguous block 53 has slot 54, and the middle part bottom surface of slot 54 has conical through-hole 55, the sleeve of staving 10
In slot 54, the bottom of staving 10 is tapered portion, and in conical through-hole 55, the lateral wall of tapered portion is pressed against tapered portion sleeve
On the madial wall of conical through-hole 55, conical through-hole 55 therein plays good supporting role to staving 10, and effect is good.
Claims (6)
1. a kind of hot waste gas environment-friendly temperature-reducing dust removal and filtration system, including staving (10), support frame (50) and water tank (60), its feature
It is：Bung (20), the top of the inner chamber body of bung (20) covering staving (10), staving are fixed with the top of the staving (10)
(10) bottom has drainage conduit body (11), and support frame (50) includes main supporting plate (51), and the top surface of main supporting plate (51) is fixed
There is side support plate (52), contiguous block (53) is fixed on two side support plates (52), and the middle top surface of contiguous block (53), which has, inserts
Groove (54), the middle part bottom surface of slot (54) have conical through-hole (55), staving (10) sleeve in slot (54), staving (10)
Bottom is tapered portion, and for tapered portion sleeve in conical through-hole (55), the lateral wall of tapered portion is pressed against the interior of conical through-hole (55)
In side wall, drainage conduit body (11) extends downwardly from contiguous block (53)；
Main supporting plate (51) is fixedly arranged in the middle of total contiguous block (56), has connecting hole in the middle part of the top surface of total contiguous block (56)
(561) total sealing ring (562), drainage conduit body are nested with the positioning annular groove, having on the madial wall of connecting hole (561)
(11) sleeve is in connecting hole (561), and total sealing ring (562) elasticity is pressed against on the lateral wall of drainage conduit body (11), connecting hole
(561) bottom surface forms draining and is spirally connected through hole (563), and one end of main sewer (5) is screwed onto draining and is spirally connected through hole (563)
In, the other end of main sewer (5) connects the upper portion side wall of water tank (60), and water tank (60) fixes the placement formed on the ground
On the bottom surface of groove (70), the lower sides of water tank (60) have connected connecting water pipe (61), and the ground of standing groove (70) is fixed with row
Water pump (62), connecting water pipe (61) connect the water inlet end of draining pump (62), and the water side of draining pump (62) connects total outlet pipe body,
Water tank (60) is fixedly arranged in the middle of screen pack (64), and water tank (60) is separated into upper cavity and lower chamber by screen pack (64), total row
Water pipe (5) communicates with upper cavity, and connecting water pipe (61) connects lower chamber；
The inside middle portion wall of staving (10) is fixed with annular brace circle (12), the staving (10) of the lower section of annular brace circle (12)
Permanent magnet ring body (13) is fixed with madial wall, heat exchange bucket (30) sleeve is in annular brace circle (12), the bottom of heat exchange bucket (30)
End face is pressed against and adsorbed on the top surface of permanent magnet ring body (13), in the side wall of the staving (10) of the lower section of permanent magnet ring body (13)
Exhaust inlet pipe (14) is connected, the top surface edge of bung (20) has gas exhaust port (21)；
The middle top surface of the bung (20) is fixed with electric rotating machine (22), and the output shaft of electric rotating machine (22) extends downwardly from bung
(20) and rotary blade (23) is fixed with, there is jack (24) on bung (20), enter head (25) and be fixed on bung (20), enter
The bottom connection end (251) of head (25) is passed down through jack (24) and is bolted with shower nozzle (252), and shower nozzle (252) is in pivoting leaf
Take turns the top of (23)；
Connection ring body (140) is inserted with the staving (10) of the top of the heat exchange bucket (30), the side wall of connection ring body (140) is led to
Cross bolt to be fixedly connected on the madial wall of staving (10), metal filtration mesh sheet (15), metal are fixed with connection ring body (140)
Filter net sheet (15) is in the top of heat exchange bucket (30), and rotary blade (23) is in the top of metal filtration mesh sheet (15)；
Form helical form opening (31) in the side wall of the heat exchange bucket (30), the bottom sidewall of heat exchange bucket (30) connected into
Water pipe (32), the upper portion side wall of heat exchange bucket (30) have connected outlet pipe (33), water inlet pipe (32) and outlet pipe (33) respectively with spiral shell
The both ends of rotation shape opening (31) communicate.
A kind of 2. hot waste gas environment-friendly temperature-reducing dust removal and filtration system according to claim 1, it is characterised in that：The water inlet pipe
(32) water pipe (34) and on outlet pipe (33) is bolted with, is formed in the side wall of water pipe (34) stretching staving (10) corresponding
Side wall jack (16).
A kind of 3. hot waste gas environment-friendly temperature-reducing dust removal and filtration system according to claim 2, it is characterised in that：The side wall jack
(16) sealing ring (17) is nested with madial wall, sealing ring (17) elasticity is pressed against on the lateral wall of water pipe (34).
A kind of 4. hot waste gas environment-friendly temperature-reducing dust removal and filtration system according to claim 2, it is characterised in that：The water pipe (34)
End and the end of corresponding water inlet pipe (32) or outlet pipe (33) between be clamped with secondary seal ring (35).
A kind of 5. hot waste gas environment-friendly temperature-reducing dust removal and filtration system according to claim 1, it is characterised in that：The annular brace
Enclose on the madial wall of (12) and be fixed with sealed elastic layer (121), the lateral wall of heat exchange bucket (30) is pressed against sealed elastic layer
(121)。
A kind of 6. hot waste gas environment-friendly temperature-reducing dust removal and filtration system according to claim 1, it is characterised in that：The water tank (60)
Inside middle portion wall on be fixed with positioning ring part (65), the edge of screen pack (64) is pressed against the top surface of positioning ring part (65)
Go up and be bolted to connection on positioning ring part (65).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610789059.2A CN106178755B (en) | 2016-08-31 | 2016-08-31 | A kind of hot waste gas environment-friendly temperature-reducing dust removal and filtration system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610789059.2A CN106178755B (en) | 2016-08-31 | 2016-08-31 | A kind of hot waste gas environment-friendly temperature-reducing dust removal and filtration system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106178755A CN106178755A (en) | 2016-12-07 |
| CN106178755B true CN106178755B (en) | 2018-01-23 |
Family
ID=58086962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610789059.2A Active CN106178755B (en) | 2016-08-31 | 2016-08-31 | A kind of hot waste gas environment-friendly temperature-reducing dust removal and filtration system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106178755B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110801678B (en) * | 2019-11-19 | 2021-07-16 | 温岭市亚超童鞋业有限公司 | Dandelion-like self-dropping type filtering device for purifying heavily-polluted waste gas |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1070587A (en) * | 1992-05-19 | 1993-04-07 | 麦松泉 | Filtering system for muddy gas |
| CN201184599Y (en) * | 2008-02-01 | 2009-01-21 | 王泉成 | Environment protection chimney |
| CN202237693U (en) * | 2011-10-12 | 2012-05-30 | 中冶赛迪工程技术股份有限公司 | Device for treating vacuum smelting smoke |
| CN205164393U (en) * | 2015-10-21 | 2016-04-20 | 深圳粤通新能源环保技术有限公司 | Boiler flue gas dust -removal and purification device |
| CN206081990U (en) * | 2016-08-31 | 2017-04-12 | 叶青 | Hot waste gas environmental protection cooling dust removal filtration system |
-
2016
- 2016-08-31 CN CN201610789059.2A patent/CN106178755B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1070587A (en) * | 1992-05-19 | 1993-04-07 | 麦松泉 | Filtering system for muddy gas |
| CN201184599Y (en) * | 2008-02-01 | 2009-01-21 | 王泉成 | Environment protection chimney |
| CN202237693U (en) * | 2011-10-12 | 2012-05-30 | 中冶赛迪工程技术股份有限公司 | Device for treating vacuum smelting smoke |
| CN205164393U (en) * | 2015-10-21 | 2016-04-20 | 深圳粤通新能源环保技术有限公司 | Boiler flue gas dust -removal and purification device |
| CN206081990U (en) * | 2016-08-31 | 2017-04-12 | 叶青 | Hot waste gas environmental protection cooling dust removal filtration system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106178755A (en) | 2016-12-07 |
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| CB03 | Change of inventor or designer information |
Inventor after: Zhu Mingfu Inventor after: Niu Zhiyong Inventor after: Liu Dapeng Inventor after: Lei Zhikun Inventor before: Ye Qing |
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| CB03 | Change of inventor or designer information | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20171227 Address after: Xiangjiang Dong Lu, Qibin District Hebi Henan province 458030 City National Park Photo Applicant after: Zhu Mingfu Address before: 528000 Guangdong, Nanhai District, Guicheng City, the streets of the Buddha on the road, No. three, Golden Plaza, room 504, room 1, room 1, No. Applicant before: Ye Qing |
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Denomination of invention: Hot exhaust gas environment-friendly cooling, dedusting and filtering system Effective date of registration: 20181217 Granted publication date: 20180123 Pledgee: Hebi Branch of Central Plains Bank Co., Ltd. Pledgor: Zhu Mingfu|The state-run Optoelectronics Technology limited company in Hebi Registration number: 2018990001205 |
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Date of cancellation: 20200421 Granted publication date: 20180123 Pledgee: Hebi Branch of Central Plains Bank Co., Ltd. Pledgor: Zhu Mingfu Registration number: 2018990001205 |
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Denomination of invention: Hot exhaust gas environment-friendly cooling, dedusting and filtering system Effective date of registration: 20200421 Granted publication date: 20180123 Pledgee: Hebi Branch of Central Plains Bank Co., Ltd. Pledgor: Zhu Mingfu Registration number: Y2020980001681 |
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Date of cancellation: 20220228 Granted publication date: 20180123 Pledgee: Hebi Branch of Central Plains Bank Co.,Ltd. Pledgor: Zhu Mingfu Registration number: Y2020980001681 |
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