CN209155363U - A kind of exhaust-gas treatment conveying device for environmental protection equipment - Google Patents
A kind of exhaust-gas treatment conveying device for environmental protection equipment Download PDFInfo
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- CN209155363U CN209155363U CN201821828476.4U CN201821828476U CN209155363U CN 209155363 U CN209155363 U CN 209155363U CN 201821828476 U CN201821828476 U CN 201821828476U CN 209155363 U CN209155363 U CN 209155363U
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- treatment
- box
- exhaust
- wall
- filter screen
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Abstract
The utility model discloses a kind of exhaust-gas treatment conveying devices for environmental protection equipment, it is related to technical field of waste gas treatment, it includes pedestal, the upper surface of the pedestal is fixedly connected by first support with the lower surface for the treatment of box, the left side of the treatment box is connected with appendix, the left end of the appendix is connected with the air outlet of blower, and the lower surface of appendix is fixedly connected to the upper surface of the base by the first fixed link, the air inlet of the blower is connected with the right end of blast pipe, and the lower surface of blower is fixedly connected to the upper surface of the base by second support.This is used for the exhaust-gas treatment conveying device of environmental protection equipment, pass through the collective effect of baffle, the first filter screen, telescopic rod, spring and handle, to realize the cleaning for some large granular impurities, to ensure boiling water, the second filter screen and third filter screen for the assimilation effect of toxic gas, to improve the treatment effeciency for exhaust gas.
Description
Technical field
The utility model relates to technical field of waste gas treatment, specially a kind of exhaust-gas treatment for environmental protection equipment conveys dress
It sets.
Background technique
Waste gas purification is primarily referred to as the industrial waste gas generated for industrial site such as dust particle, flue gas flue dust, different
The work that taste gas, toxic and harmful gas are administered.Common waste gas purification has factory's fume and exhaust gas purifying, workshop dust useless
Gas purification, organic waste-gas purification, the purification of exhaust gas peculiar smell, acid-base waste gas purifying, purification of chemical waste gas etc..
Traditional exhaust-gas treatment conveying device typically directly carries out adsorption treatment to exhaust gas, in exhaust gas transmission treatment process
A preliminary filtering is not carried out to exhaust gas, so that the blocking filtering of the impurity such as some hairs, copolymer of fiber suede, large particle and scurf
Net reduces absorption of the filter screen for noxious material, to reduce the efficiency of emission-control equipment.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model provides a kind of exhaust-gas treatment conveying dress for environmental protection equipment
It sets, solves traditional exhaust-gas treatment conveying device and adsorption treatment typically directly is carried out to exhaust gas, transmit treatment process in exhaust gas
In a preliminary filtering is not carried out to exhaust gas so that the impurity such as some hairs, copolymer of fiber suede, large particle and scurf blocked
Strainer reduces absorption of the filter screen for noxious material, thus the problem of reducing the efficiency of emission-control equipment.
(2) technical solution
To achieve the above objectives, the technical scheme adopted by the utility model is that: a kind of exhaust-gas treatment for environmental protection equipment
The upper surface of conveying device, including pedestal, the pedestal is fixedly connected by first support with the lower surface for the treatment of box, the place
The left side of reason case is connected with appendix, and the left end of the appendix is connected with the air outlet of blower, and the following table of appendix
Face is fixedly connected to the upper surface of the base by the first fixed link, and the air inlet of the blower is connected with the right end of blast pipe,
And the lower surface of blower is fixedly connected to the upper surface of the base by second support, the inner wall of the blast pipe is provided with the first mistake
Strainer, and the lower surface of blast pipe is connected with the top of collecting pipe, the lower surface of the collecting pipe open up that there are two grooves, and
The inner wall of two grooves is fixedly connected with telescopic device, and the bottom end of two telescopic devices is fixed with the upper surface of baffle and connected
It connects, the upper surface of the baffle and the bottom end of collecting pipe overlap, and the lower surface of baffle is provided with handle.
The bottom end of the processing chamber interior wall is provided with electric heater, and the inner wall for the treatment of box is provided with the second filter screen and the
Three filter screens, and the right side for the treatment of box offers cleaning eye, the inner wall of the cleaning eye is connected with snap-gauge, the treatment box
Upper surface is fixedly connected with purifying box, the upper surface of the purifying box offers through-hole, and purifying box is internally provided with conveying
Pump, the discharge port of the dehvery pump are connected with one end of conveying pipeline, and the other end of the conveying pipeline passes through through-hole and treatment box
Upper surface and be connected with the upper surface of storage material slot, the lower surface of the storage material slot is provided with several spray heads.
The right side of the treatment box is provided with discharging device, and the upper surface for the treatment of box is connected with the bottom end of discharge pipe
Logical, the upper surface of the pedestal is provided with power supply, first switch, second switch and third switch, and the output end of the power supply is logical
It crosses conducting wire to be electrically connected with the input terminal of first switch, second switch and third switch respectively, the output end of the first switch is logical
It crosses conducting wire to be electrically connected with the output end of blower, the output end of the second switch is electrically connected by the input terminal of conducting wire and electric heater
It connects, the output end of the third switch is electrically connected by conducting wire with the input terminal of dehvery pump.
Preferably, the telescopic device includes telescopic rod, and the outer wall of the telescopic rod is socketed with spring, the spring and is stretched
The top and bottom end of contracting bar are fixedly connected with the upper surface of the upper surface of groove inner wall and baffle respectively.
Preferably, the telescopic rod includes shell, and the upper surface of the shell is fixedly connected with groove inner wall upper surface, and
The left and right sides of inner walls offer sliding slot, and the inner wall of two sliding slots slides with the left and right ends of T-bar connect respectively
It connects, the bottom end of the T-bar passes through shell and is fixedly connected with the upper surface of baffle.
Preferably, the discharging device includes outlet pipe, and the left end of the outlet pipe is connected with the right side for the treatment of box,
And the front of outlet pipe is provided with valve.
Preferably, first filter screen is primary filter screen, and second filter screen is activated charcoal strainer, the third
Filter screen is HEPA strainer.
Preferably, the electric heater includes one group of electric heating tube that treatment box interior lower surface is arranged in, electric heating tube
Electric heating tube in drier silk.
Preferably, the upper surface of the baffle is provided with gasket, and the inner wall of the cleaning eye is provided with sealing ring.
(3) beneficial effect
The utility model has the beneficial effects that:
1, the exhaust-gas treatment conveying device for being used for environmental protection equipment, by baffle, the first filter screen, telescopic rod, spring and
The collective effect of handle, the exhaust gas of the inflow of blast pipe pass through the filtering of the first filter screen, so that some hairs, copolymer of fiber suede, big
The impurity such as particulate matter and scurf are fallen by collecting pipe in the upper surface of baffle, pull handle, spring and telescopic rod elongation, baffle
It moves downward and is separated with collecting pipe, then the impurity on the impurity and the first filter screen on baffle is cleared up, it is then loose
Opened handle, baffle is moved upwards under the action of spring tension and is contacted with collecting pipe, to realize for some bulky grains
The cleaning of impurity, to ensure boiling water, the second filter screen and third filter screen for the assimilation effect of toxic gas, to mention
The high treatment effeciency for exhaust gas.
2, the exhaust-gas treatment conveying device for being used for environmental protection equipment, by heater, the first filter screen, the second filter screen and
The collective effect of dehvery pump, electric heater work, heats the water flow for the treatment of box bottom, exhaust gas enters treatment box bottom end
In hot water, so that some noxious materials in exhaust gas are absorbed degradation, then exhaust gas is filtered using the second filter screen and third
The filtering of net, so that some noxious materials are adsorbed, conveying pump work, so that scavenging solution in purifying box is from dehvery pump
Discharge port enters conveying pipeline, is finally sprayed into storage material slot from several spray heads, and the scavenging solution of atomization again carries out gas net
Change, finally more clean gas is flowed out from discharge pipe, so that the Multilevel method absorption for exhaust gas is realized, to improve
For the treatment effeciency of exhaust gas.
3, exhaust-gas treatment conveying device for being used for environmental protection equipment, by the way that blower is arranged, to accelerate for exhaust gas
Conveying, improves transfer efficiency, to improve exhaust treatment efficiency, by setting outlet pipe and valve so that outlet pipe with
Extraneous pipeline connection, opens valve, replaces to the water flow for the treatment of box bottom, to facilitate the replacement for water flow.
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 partial profile structure that the utility model is faced；
Fig. 3 is the structural schematic diagram of the portion the utility model A amplification；
Fig. 4 is the schematic diagram of the section structure that the utility model purifying box is faced；
Fig. 5 is the schematic diagram of the section structure that the utility model telescopic rod is faced.
In figure: 1 pedestal, 2 first supports, 3 treatment boxes, 4 appendixs, 5 first fixed links, 6 blowers, 7 blast pipes, 8 second
Bracket, 9 first filter screens, 10 collecting pipes, 11 grooves, 12 telescopic devices, 121 telescopic rods, 1211 shells, 1212 sliding slots, 1213
T-bar, 122 springs, 13 baffles, 14 handles, 15 heaters, 16 second filter screens, 17 third filter screens, 18 cleaning eyes, 19 cards
Plate, 20 purifying boxs, 21 through-holes, 22 dehvery pumps, 23 conveying pipelines, 24 second fixed links, 25 storage material slots, 26 spray heads, 27 discharging devices,
271 outlet pipes, 272 valves, 28 power supplys, 29 first switches, 30 second switches, 31 thirds switch, 32 discharge pipes.
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 Figs. 1-5, the utility model provides a kind of technical solution: a kind of exhaust-gas treatment conveying for environmental protection equipment
The upper surface of device, including pedestal 1, pedestal 1 is fixedly connected by first support 2 with the lower surface for the treatment of box 3, and setting the is passed through
One bracket 2, to realize the support and fixation for the treatment of box 3, the left side for the treatment of box 3 is connected with appendix 4, appendix 4
Left end is connected with the air outlet of blower 6, and the lower surface of appendix 4 is fixed by the first fixed link 5 and the upper surface of pedestal 1
Connection, by the way that the first fixed link 5 is arranged, so that the fixation of appendix 4 is realized, the air inlet of blower 6 and the right end of blast pipe 7
It is connected, transfer efficiency is improved to accelerate the conveying for exhaust gas by setting blower 6, to improve at exhaust gas
Efficiency is managed, and the lower surface of blower 6 is fixedly connected by second support 8 with the upper surface of pedestal 1, by the way that second support 8 is arranged,
To realize the fixation of 6 fuselage of blower, the inner wall of blast pipe 7 is provided with the first filter screen 9, and the first filter screen 9 is just effect filter
Net, by the way that the first filter screen 9 is arranged, the exhaust gas of the inflow of blast pipe 7 passes through the filtering of the first filter screen 9, so that some hairs,
The impurity such as copolymer of fiber suede, large particle and scurf fall the upper surface in baffle 13 by collecting pipe 10, to realize for one
The cleaning of a little large granular impurities, and the lower surface of blast pipe 7 is connected with the top of collecting pipe 10, the lower surface of collecting pipe 10 is opened
If there are two grooves 11, and the inner wall of two grooves 11 is fixedly connected with telescopic device 12, and the bottom end of two telescopic devices 12
It is fixedly connected with the upper surface of baffle 13, telescopic device 12 includes telescopic rod 121, by the way that telescopic rod 121 is arranged, so that baffle
13 lifting is more steady, and telescopic rod 121 includes shell 1211, and upper surface and the 11 inner wall upper surface of groove of shell 1211 are fixed
Connection, and the left and right sides of 1211 inner wall of shell offer sliding slot 1212, and the inner wall of two sliding slots 1212 respectively with T shape
The left and right ends of bar 1213 are slidably connected, by setting T-bar 1213 and sliding slot 1212, so that the lifting of baffle 13 is more flat
Surely, and prevent the rotation of baffle 13, the bottom end of T-bar 1213 pass through shell 1211 and with the upper surface of baffle 13 is fixed connects
It connects, the outer wall of telescopic rod 121 is socketed with spring 122, and the top and bottom end of spring 122 and telescopic rod 121 are respectively and in groove 11
The upper surface of wall is fixedly connected with the upper surface of baffle 13, by the way that spring 122 is arranged, the reset of baffle 13 is realized, so that gear
The contact of 13 collecting pipe 10 of plate is more steady, and the upper surface of baffle 13 and the bottom end of collecting pipe 10 overlap, the upper surface of baffle 13
It is provided with gasket, gasket is provided with by the upper surface of baffle 13, so as to avoid the leakage of exhaust gas, and under baffle 13
Surface is provided with handle 14.
The bottom end of 3 inner wall for the treatment of box is provided with electric heater 15, by the way that electric heater 15 is arranged, to realize for water
The heating of stream, accelerates the absorption degradation of exhaust gas, and electric heater 15 includes that one group of electricity that 3 interior lower surface for the treatment of box is arranged in adds
Heat pipe, electric heating tube electric heating tube in drier silk, and the inner wall for the treatment of box 3 are provided with the second filter screen 16 and third filter screen 17, the
Two filter screens 16 are activated charcoal strainer, and third filter screen 17 is HEPA strainer, pass through the second filter screen 16 of setting and third mistake
Strainer 17, so that the cleaning absorption for exhaust gas is more comprehensively thorough, and the right side for the treatment of box 3 offers cleaning eye
18, the inner wall of cleaning eye 18 is provided with sealing ring, and the inner wall of cleaning eye 18 is connected with snap-gauge 19, passes through setting cleaning eye 18 and card
Plate 19 pulls snap-gauge 19 to separate with cleaning eye 18, to facilitate the second filter screen 16 and third filter screen 17 to dismantle, to its surface
Impurity handle, and the upper surface for the treatment of box 3 is fixedly connected with purifying box 20, and the upper surface of purifying box 20 offers through-hole
21, and purifying box 20 is internally provided with dehvery pump 22, by setting dehvery pump 22 and spray head 26, dehvery pump 22 works, thus
So that the scavenging solution in purifying box 20 enters conveying pipeline 23 from the discharge port of dehvery pump 22, into storage material slot 25 finally from several
Spray head 26 sprays, and the scavenging solution of atomization again purifies gas, to realize the conveying and atomization of scavenging solution, makes to bring about the desired sensation
The filtering of body is more comprehensive, and the discharge port of dehvery pump 22 is connected with one end of conveying pipeline 23, and the other end of conveying pipeline 23 passes through
The upper surface of through-hole 21 and treatment box 3 is simultaneously connected with the upper surface of storage material slot 25, and the lower surface of storage material slot 25 is provided with several
A spray head 26.
The right side for the treatment of box 3 is provided with discharging device 27, and discharging device 27 includes outlet pipe 271, a left side for outlet pipe 271
End is connected with the right side for the treatment of box 3, and the front of outlet pipe 271 is provided with valve 272, by the way that 271 He of outlet pipe is arranged
Valve 272 is opened valve 272, is replaced to the water flow of 3 bottom for the treatment of box so that outlet pipe 271 is connect with extraneous pipeline,
To facilitate the replacement for water flow, and the upper surface for the treatment of box 3 is connected with the bottom end of discharge pipe 32, the upper table of pedestal 1
Face is provided with power supply 28, first switch 29, second switch 30 and third switch 31, the output end of power supply 28 by conducting wire respectively with
The input terminal of first switch 29, second switch 30 and third switch 31 is electrically connected, the output end of first switch 29 by conducting wire with
The output end of blower 6 is electrically connected, by the way that first switch 29 is arranged, so that worker is more square for the manipulation of 6 working condition of blower
Just, the output end of second switch 30 is electrically connected by conducting wire with the input terminal of electric heater 15, by the way that second switch 30 is arranged, is made
Worker is more convenient for the manipulation of 15 working condition of electric heater, the output end of third switch 31 passes through conducting wire and dehvery pump
22 input terminal electrical connection, by the way that third switch 31 is arranged, so that worker is more square for the manipulation of 22 working condition of dehvery pump
Just.
The operating procedure of the utility model are as follows:
S1, worker make blower 6 work by operating first switch 29, make electric heater by operating second switch 30
15 work make dehvery pump 22 work by operating third switch 31, and the exhaust gas of the inflow of blast pipe 7 passes through the first filter screen 9
Filtering so that the impurity such as some hairs, copolymer of fiber suede, large particle and scurf fall the upper table in baffle 13 by collecting pipe 10
Then face delivers into appendix 4 by blower 6, electric heater 15 works, heats to the water flow of 3 bottom for the treatment of box,
Exhaust gas enters in the hot water of 3 bottom end for the treatment of box so that some noxious materials in exhaust gas are absorbed degradation, then exhaust gas using
The filtering of second filter screen 16 and third filter screen 17, so that some noxious materials are adsorbed；
S2, dehvery pump 22 work, so that the scavenging solution in purifying box 20 enters conveying from the discharge port of dehvery pump 22
Pipe 23 is finally sprayed from several spray heads 26 into storage material slot 25, and the scavenging solution of atomization again purifies gas, finally compared with
It is flowed out for clean gas from discharge pipe 32；
After the completion of S3, processing, worker is stopped working by operating 29 blower 6 of first switch, by operating second switch 30
So that electric heater 15 stops working, by operating third switch 31 dehvery pump 22 is stopped working, then pull handle 14,
Spring 122 and telescopic rod 121 extend, and baffle 13 is moved downward and separated with collecting pipe 10, then on baffle 13 impurity and
Impurity on first filter screen 9 is cleared up, and handle 14 is then unclamped, and baffle 13 is transported upwards under the action of 122 pulling force of spring
It moves and is contacted with collecting pipe 10, so that outlet pipe 271 is connect with extraneous pipeline, valve 272 is opened, to the water of 3 bottom for the treatment of box
Stream is replaced.
Above-described specific embodiment, to the purpose of this utility model, technical scheme and beneficial effects carried out into
One step is described in detail, it should be understood that being not used to limit the foregoing is merely specific embodiment of the present utility model
The utility model processed, within the spirit and principle of the utility model, any modification, equivalent substitution, improvement and etc. done,
It should be included within the scope of protection of this utility model.
Claims (7)
1. a kind of exhaust-gas treatment conveying device for environmental protection equipment, including pedestal (1), it is characterised in that: the pedestal (1)
Upper surface is fixedly connected by first support (2) with the lower surface for the treatment of box (3), and the left side of the treatment box (3) is connected with
The left end of appendix (4), the appendix (4) is connected with the air outlet of blower (6), and the lower surface of appendix (4) passes through
First fixed link (5) is fixedly connected with the upper surface of pedestal (1), the right end phase of the air inlet and blast pipe (7) of the blower (6)
Connection, and the lower surface of blower (6) is fixedly connected by second support (8) with the upper surface of pedestal (1), the blast pipe (7)
Inner wall be provided with the first filter screen (9), and the lower surface of blast pipe (7) is connected with the top of collecting pipe (10), the receipts
The lower surface of collector (10) is opened up there are two groove (11), and the inner wall of two grooves (11) is fixedly connected with telescopic device
(12), and the bottom end of two telescopic devices (12) is fixedly connected with the upper surface of baffle (13), the upper table of the baffle (13)
The bottom end of face and collecting pipe (10) overlaps, and the lower surface of baffle (13) is provided with handle (14)；
The bottom end for the treatment of box (3) inner wall is provided with electric heater (15), and the inner wall for the treatment of box (3) is provided with the second filtering
Net (16) and third filter screen (17), and the right side for the treatment of box (3) offers cleaning eye (18), the cleaning eye (18) it is interior
Wall is connected with snap-gauge (19), and the upper surface of the treatment box (3) is fixedly connected with purifying box (20), the purifying box (20) it is upper
Surface offers through-hole (21), and purifying box (20) is internally provided with dehvery pump (22), the discharge port of the dehvery pump (22)
It is connected with one end of conveying pipeline (23), the other end of the conveying pipeline (23) passes through the upper table of through-hole (21) and treatment box (3)
Face is simultaneously connected with the upper surface of storage material slot (25), and the lower surface of the storage material slot (25) is provided with several spray heads (26)；
The right side of the treatment box (3) is provided with discharging device (27), and the upper surface for the treatment of box (3) and discharge pipe (32)
Bottom end is connected, and the upper surface of the pedestal (1) is provided with power supply (28), first switch (29), second switch (30) and third
It switchs (31), the output end of the power supply (28) is opened with first switch (29), second switch (30) and third respectively by conducting wire
The input terminal electrical connection of (31) is closed, the output end of the first switch (29) is electrically connected by conducting wire with the output end of blower (6),
The output end of the second switch (30) is electrically connected by conducting wire with the input terminal of electric heater (15), and the third switchs (31)
Output end be electrically connected with the input terminal of dehvery pump (22) by conducting wire.
2. a kind of exhaust-gas treatment conveying device for environmental protection equipment according to claim 1, it is characterised in that: described to stretch
Compression apparatus (12) includes telescopic rod (121), and the outer wall of the telescopic rod (121) is socketed with spring (122), the spring (122)
It fixes and connects with the upper surface of groove (11) inner wall and the upper surface of baffle (13) respectively with the top of telescopic rod (121) and bottom end
It connects.
3. a kind of exhaust-gas treatment conveying device for environmental protection equipment according to claim 2, it is characterised in that: described to stretch
Contracting bar (121) includes shell (1211), and the upper surface of the shell (1211) is fixedly connected with groove (11) inner wall upper surface, and
The left and right sides of shell (1211) inner wall offer sliding slot (1212), and the inner wall of two sliding slots (1212) respectively with T shape
The left and right ends of bar (1213) are slidably connected, the bottom end of the T-bar (1213) pass through shell (1211) and with baffle (13)
Upper surface is fixedly connected.
4. a kind of exhaust-gas treatment conveying device for environmental protection equipment according to claim 1, it is characterised in that: it is described go out
Water installations (27) include outlet pipe (271), and the left end of the outlet pipe (271) is connected with the right side for the treatment of box (3), and are gone out
The front of water pipe (271) is provided with valve (272).
5. a kind of exhaust-gas treatment conveying device for environmental protection equipment according to claim 1, it is characterised in that: described
One filter screen (9) is primary filter screen, and second filter screen (16) is activated charcoal strainer, and the third filter screen (17) is
HEPA strainer.
6. a kind of exhaust-gas treatment conveying device for environmental protection equipment according to claim 1, it is characterised in that: the electricity
Heater (15) includes electric heating tube of one group of setting in treatment box (3) interior lower surface, electric heating tube electric heating tube in drier silk.
7. a kind of exhaust-gas treatment conveying device for environmental protection equipment according to claim 1, it is characterised in that: the gear
The upper surface of plate (13) is provided with gasket, and the inner wall of the cleaning eye (18) is provided with sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821828476.4U CN209155363U (en) | 2018-11-07 | 2018-11-07 | A kind of exhaust-gas treatment conveying device for environmental protection equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821828476.4U CN209155363U (en) | 2018-11-07 | 2018-11-07 | A kind of exhaust-gas treatment conveying device for environmental protection equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209155363U true CN209155363U (en) | 2019-07-26 |
Family
ID=67336979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821828476.4U Expired - Fee Related CN209155363U (en) | 2018-11-07 | 2018-11-07 | A kind of exhaust-gas treatment conveying device for environmental protection equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209155363U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111948350A (en) * | 2020-08-19 | 2020-11-17 | 邢台职业技术学院 | Environment-friendly online detection and transmission device for various waste gases |
| CN113072210A (en) * | 2021-03-31 | 2021-07-06 | 成渝钒钛科技有限公司 | Three-step method vanadium extraction production system sack is from cleaning device |
-
2018
- 2018-11-07 CN CN201821828476.4U patent/CN209155363U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111948350A (en) * | 2020-08-19 | 2020-11-17 | 邢台职业技术学院 | Environment-friendly online detection and transmission device for various waste gases |
| CN113072210A (en) * | 2021-03-31 | 2021-07-06 | 成渝钒钛科技有限公司 | Three-step method vanadium extraction production system sack is from cleaning device |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: 20190726 Termination date: 20211107 |