CN109772142A - A kind of energy saving and environment friendly combined waste gas treating device - Google Patents
A kind of energy saving and environment friendly combined waste gas treating device Download PDFInfo
- Publication number
- CN109772142A CN109772142A CN201910200708.4A CN201910200708A CN109772142A CN 109772142 A CN109772142 A CN 109772142A CN 201910200708 A CN201910200708 A CN 201910200708A CN 109772142 A CN109772142 A CN 109772142A
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- Prior art keywords
- shell
- paddle
- collecting chamber
- waste gas
- energy saving
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Abstract
The invention discloses a kind of energy saving and environment friendly combined waste gas treating devices, it is related to technical field of waste gas treatment, it includes shell, the upper surface of the inner walls is connected with first bearing, and shaft is socketed in first bearing, the outer surface of the shaft is fixedly connected with the first paddle and the second paddle, and the first paddle is located at the lower section of the second paddle.The energy saving and environment friendly combined waste gas treating device, pass through shell, collection port, filter plate, aspiration pump, the mutual cooperation of collecting chamber and driving device, exhaust gas enters in collecting chamber by collection port, it is filtered using filter plate, the permeability of three filter plates is sequentially reduced from top to bottom, the adsorption capacity of impurity in exhaust gas is sequentially increased, only pass through exhaust gas, impurity is stayed on filter plate, reduce corrosion and destruction of the impurity to enclosure interior, improve the efficiency of waste gas purification processing, not exclusively continue to pollute the environment so as to avoid exhaust-gas treatment.
Description
Technical field
The present invention relates to technical field of waste gas treatment, specially a kind of energy saving and environment friendly combined waste gas treating device.
Background technique
Exhaust gas refers to the poisonous and hazardous gas that the mankind are discharged in production and life process.Especially chemical plant, steel
The exhaust gas smell of factory, pharmaceutical factory, coking plant and oil plant etc., discharge is big, serious to pollute environment and influence human health.
Exhaust-gas treatment refers to that the exhaust gas generated for industrial site, factory floor is pre-processed before external discharge,
To reach the work for the standard that national exhaust gas externally discharges.General exhaust-gas treatment includes VOCs treatment, at dust exhaust gas
Reason, soda acid exhaust-gas treatment, peculiar smell exhaust-gas treatment and air sterilizing purification etc..
Currently, existing exhaust treating purifier, is all that exhaust gas is directly discharged into waste gas treatment equipment mostly, in exhaust gas
Comprising various substances, wherein these substances are easy to cause to corrode to equipment inside and destroy comprising particulate matters such as dust, waste residues,
It causes processing equipment to the inefficiency of waste gas purification, the exhaust gas not being fully cleaned up is discharged into atmosphere again.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, it the present invention provides a kind of energy saving and environment friendly combined waste gas treating device, solves useless
The particulate matters such as dust, waste residue in gas are easy to cause to corrode to equipment inside and destroy, and cause processing equipment to waste gas purification
The exhaust gas not being fully cleaned up is discharged into the problems in atmosphere by inefficiency again.
(2) technical solution
To achieve the above objectives, the technical solution adopted by the present invention is that: a kind of energy saving and environment friendly combined waste gas treating device, packet
Shell is included, the upper surface of the inner walls is connected with first bearing, and shaft is socketed in first bearing, outside the shaft
Surface is fixedly connected with the first paddle and the second paddle, and first paddle and the second paddle are respectively positioned on the interior of shell
Portion, and the first paddle is located at the top of the second paddle, the top of the shaft passes through under first bearing and driving device
Surface is fixedly connected, and the bottom end of the shaft is socketed in second bearing, and under the lower surface and inner walls of second bearing
Surface clamping.
The lower surface of the driving device is fixedly connected with the upper surface of shell, and the right side of inner walls and exhaust pipe
Left side be connected, and the right side of inner walls is connected with the left end of liquid discharge device, and the liquid discharge device is located at exhaust
The lower section of pipe, there are two flushers for the upper surface clamping of the inner walls, and under the top and connecting tube of flusher
Surface is connected.
The upper surface of the connecting tube left end is connected with the bottom end of water inlet pipe, and connecting tube be inlaids in the shell the upper of wall
Surface, the water inlet pipe is connected to the upper surface of shell, and water inlet pipe is located at the left side of first bearing.
The lower surface of the shell is fixedly connected with the upper surface of bottom plate, and the left side of inner walls and aspiration pump go out
Gas end is connected, and the right side of the aspiration pump is fixedly connected with the left side of shell, the inlet end of the aspiration pump and collection
The right side of chamber interior walls is connected, and the lower surface of collecting chamber is fixedly connected with the upper surface of bottom plate, and collects on the left of chamber interior walls
Face and right side are fixedly connected with the left side of filter plate and right side respectively, the upper surface of the collecting chamber and the following table of cover board
Face overlap joint, and the left side of collecting chamber is flexibly connected by hinge with the left side of cover board, and the right side of collecting chamber and cover board
Right side by lock be fixedly connected, the upper surface of the cover board is connected with the top of collection port.
Preferably, the driving device includes driven wheel, and the lower surface of driven wheel is fixedly connected with the top of shaft, institute
It states driven wheel to connect by belt with capstan drive, and the lower surface of driving wheel is fixedly connected with the output shaft of motor, and electricity
The fuselage of machine is fixedly connected with the upper surface of shell.
Preferably, the liquid discharge device includes outlet tube, and the left end of outlet tube is connected with the right side of inner walls,
The upper surface of the outlet tube is provided with valve.
Preferably, the quantity of the filter plate is three, and the permeability of three filter plates is sequentially reduced from top to bottom.
Preferably, the flusher includes spray head, and the top of the spray head is connected with the bottom end of drainage tube, and is drained
The top of pipe is connected with the lower surface of connecting tube.
Preferably, the left side of the collecting chamber is fixedly installed with power supply, and the left side of collecting chamber is provided with switch, and
Switch is located at the top of power supply.
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 motor and aspiration pump.
(3) beneficial effect
The beneficial effects of the present invention are:
1, the energy saving and environment friendly combined waste gas treating device, passes through shell, collection port, filter plate, aspiration pump, collecting chamber and drive
The mutual cooperation of dynamic device, aspiration pump carries out air-breathing in the operating condition, to collecting chamber inside, in the stream of air-flow inside collecting chamber
Dynamic lower generation pressure difference, exhaust gas are entered in collecting chamber by collection port, are filtered using filter plate, due to filter plate
Quantity is three, and the permeability of three filter plates is sequentially reduced from top to bottom, and is sequentially increased to the adsorption capacity of impurity in exhaust gas, only
Only pass through exhaust gas, impurity is stayed on filter plate, reduces corrosion and destruction of the impurity to enclosure interior, it is net to improve exhaust gas
Change the efficiency of processing, not exclusively continues to pollute the environment so as to avoid exhaust-gas treatment.
2, the energy saving and environment friendly combined waste gas treating device, passes through the mutual of collecting chamber, collection port, filter plate and cover board
Cooperation, when aspiration pump is sent to exhaust gas in shell, staff will be added at purification night from water inlet pipe to shell, using
Scavenging solution is sprayed onto shell by spray head, and motor drives driving wheel rotation, and driving wheel drives driven wheel rotation, and driven wheel drives
Shaft rotation, shaft drives the first paddle and the rotation of the second paddle, thus mix scavenging solution with exhaust gas, scavenging solution
With exhaust gas contact more sufficiently, accelerate the mixing velocity of scavenging solution and exhaust gas, improve waste gas purification processing efficiency.
3, the energy saving and environment friendly combined waste gas treating device passes through the first paddle, the second paddle, shaft, spray head
With the mutual cooperation of shell, when motor drives the first paddle and the second paddle to rotate together with, the second paddle drives useless
Gas flows diffusion in shell, convenient for being sufficiently mixed for exhaust gas and scavenging solution, the scavenging solution that the first paddle sprays spray head
Agitation disperses scavenging solution more uniform, improves the contact area of exhaust gas and scavenging solution.
4, the energy saving and environment friendly combined waste gas treating device passes through the phase interworking of hinge, lock, cover board and collection port
It closes, staff is opened cover board by latching, and convenient for being cleaned or being replaced to filter plate, while being conducive to staff couple
The collection of metal particulate in impurity.
5, the energy saving and environment friendly combined waste gas treating device, by the mutual cooperation of liquid discharge device, shell and outlet tube,
Purified gas is discharged by outlet tube, and used scavenging solution is discharged by outlet tube, is collected convenient for staff.
Detailed description of the invention
Fig. 1 is the schematic diagram of the section structure that the present invention faces；
Fig. 2 is the structural schematic diagram of collecting chamber left view of the present invention；
Fig. 3 is the structural schematic diagram of the right view of inventive shell.
In figure: 1 bottom plate, 2 collecting chambers, 3 hinges, 4 cover boards, 5 collection ports, 6 filter plates, 7 flushers, 71 drainage tubes, 72
Spray head, 8 driving devices, 81 driven wheels, 82 belts, 83 driving wheels, 84 motors, 9 connecting tubes, 10 first bearings, 11 second bearings,
12 shafts, 13 water inlet pipes, 14 exhaust pipes, 15 first paddles, 16 liquid discharge devices, 161 valves, 162 outlet tubes, 17 shells, 18
Second paddle, 19 aspiration pumps, 20 locks, 21 power supplys, 22 switches.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As shown in Figure 1-3, the present invention provides a kind of technical solution: a kind of energy saving and environment friendly combined waste gas treating device,
Including shell 17, the upper surface of 17 inner wall of shell is connected with first bearing 10, and shaft 12, shaft are socketed in first bearing 10
12 outer surface is fixedly connected with the first paddle 15 and the second paddle 18, passes through the first paddle of setting 15 and the second stirring
Leaf 18, when motor 84 drives the first paddle 15 and the second paddle 18 to rotate together with, the second paddle 18 drives exhaust gas to exist
Flowing diffusion in shell 17, convenient for being sufficiently mixed for exhaust gas and scavenging solution, the purification that the first paddle 15 sprays spray head 72
Liquid agitation disperses scavenging solution more uniform, improves the contact area of exhaust gas and scavenging solution, the first paddle 15 and second
Paddle 18 is respectively positioned on the inside of shell 17, and the first paddle 15 is located at the top of the second paddle 18, the top of shaft 12
It is fixedly connected across first bearing 10 with the lower surface of driving device 8, the bottom end of shaft 12 is socketed in second bearing 11, is passed through
Second bearing 11 is set, makes the bottom end of shaft 12 in 17 inner rotation of shell, improves the stability in 12 rotary course of shaft,
And the lower surface of second bearing 11 and the lower surface of 17 inner wall of shell are clamped.
The lower surface of driving device 8 is fixedly connected with the upper surface of shell 17, and driving device 8 includes driven wheel 81, is passed through
Driving device 8 is set, and motor 84 drives driving wheel 83 to rotate, and driving wheel 83 drives driven wheel 81 to rotate, and driven wheel 81 is with turn
Axis 12 rotates, and shaft 12 drives the first paddle 15 and the rotation of the second paddle 18, thus mix scavenging solution with exhaust gas,
Scavenging solution and exhaust gas contact more sufficiently, accelerate the mixing velocity of scavenging solution and exhaust gas, and the lower surface of driven wheel 81 with
The top of shaft 12 is fixedly connected, and driven wheel 81 is sequentially connected by belt 82 and driving wheel 83, and the lower surface of driving wheel 83
It is fixedly connected with the output shaft of motor 84, and the fuselage of motor 84 is fixedly connected with the upper surface of shell 17, and 17 inner wall of shell
Right side be connected with the left side of exhaust pipe 14, by be arranged exhaust pipe 14, purified gas pass through 162 row of outlet tube
Out, and the right side of 17 inner wall of shell is connected with the left end of liquid discharge device 16, and liquid discharge device 16 includes outlet tube 162, passes through
Liquid discharge device 16 is set, and used scavenging solution is discharged by outlet tube 162, is collected convenient for staff, and outlet tube
162 left end is connected with the right side of 17 inner wall of shell, and the upper surface of outlet tube 162 is provided with valve 161, liquid discharge device 16
Positioned at the lower section of exhaust pipe 14, there are two flusher 7, flusher 7 includes spray head 72 for the upper surface clamping of 17 inner wall of shell,
By the way that flusher 7 is arranged, the scavenging solution that the first paddle 15 sprays spray head 72 is stirred, and disperses scavenging solution more equal
It is even, the contact area of exhaust gas and scavenging solution is improved, the top of spray head 72 is connected with the bottom end of drainage tube 71, and drainage tube 71
Top be connected with the lower surface of connecting tube 9, and the top of flusher 7 is connected with the lower surface of connecting tube 9.
The upper surface of 9 left end of connecting tube is connected with the bottom end of water inlet pipe 13, and connecting tube 9 is embedded in 17 inner wall of shell
Upper surface, water inlet pipe 13 are connected to the upper surface of shell 17, and by the way that water inlet pipe 13 is arranged, staff will be purified by water inlet pipe 13
Night is added to shell 17, and using spray head 72 scavenging solution is sprayed onto shell 17, and water inlet pipe 13 is located at first axle
Hold 10 left side.
The lower surface of shell 17 is fixedly connected with the upper surface of bottom plate 1, and the left side of 17 inner wall of shell and aspiration pump 19
Outlet side be connected, by the way that aspiration pump 19 is arranged, aspiration pump 19 in the operating condition, to carrying out air-breathing inside collecting chamber 2, is received
Collection generates pressure difference inside room 2 under the flowing of air-flow, and gas sampling mouth 5 enters in collecting chamber 2, the right side of aspiration pump 19
It is fixedly connected with the left side of shell 17, the inlet end of aspiration pump 19 is connected with the right side of 2 inner wall of collecting chamber, and collecting chamber
2 lower surface is fixedly connected with the upper surface of bottom plate 1, and 2 inner wall left side of collecting chamber and the right side left side with filter plate 6 respectively
Side is fixedly connected with right side, and since the quantity of filter plate 6 is three, the permeability of three filter plates 6 is from top to bottom successively
Reduce, the adsorption capacity of impurity in exhaust gas is sequentially increased, only passes through exhaust gas, impurity is stayed on filter plate 6, is reduced miscellaneous
Corrosion and destruction inside confrontation shell 17 improve the efficiency of waste gas purification processing, incomplete so as to avoid exhaust-gas treatment
And continue to pollute the environment, the quantity of filter plate 6 is three, and the permeability of three filter plates 6 successively subtracts from top to bottom
Small, the upper surface of collecting chamber 2 and the lower surface of cover board 4 overlap, and the left side of collecting chamber 2 passes through the left side of hinge 3 and cover board 4
Face is flexibly connected, and the right side of collecting chamber 2 is fixedly connected with the right side of cover board 4 by lock 20, by the way that cover board 4 is arranged,
Staff is opened cover board 4 by lock 20, convenient for filter plate 6 is cleaned or replaced, while being conducive to staff
The upper surface of collection to metal particulate in impurity, cover board 4 is connected with the top of collection port 5, and the left side of collecting chamber 2 is solid
Dingan County is equipped with power supply 21, and the left side of collecting chamber 2 is provided with switch 22, and switch 22 is located at the top of power supply 21, by setting
Power supply 21 is set, carries out providing power for motor 84 and aspiration pump 19, convenient for staff to the behaviour in waste gas purification treatment process
Make, the input terminal of switch 22 is electrically connected by conducting wire with the output end of power supply 21, the output end of switch 22 pass through respectively conducting wire and
The electrical connection of the input terminal of motor 84 and aspiration pump 19.
Operating procedure of the invention are as follows:
S1, firstly, aspiration pump 19 enters working condition, to air-breathing is carried out inside collecting chamber 2, in the stream of air-flow inside collecting chamber 2
Dynamic lower generation pressure difference, gas sampling mouth 5 enter in collecting chamber 2, and exhaust gas is filtered by filter plate 6, due to filter plate 6
Quantity be three, the permeability of three filter plates 6 is sequentially reduced from top to bottom, and is successively increased to the adsorption capacity of impurity in exhaust gas
Greatly, only pass through exhaust gas, impurity is stayed on filter plate 6；
S2, then, staff will purify night from water inlet pipe 13 and be added to shell 17, using spray head 72 by scavenging solution
It is sprayed onto shell 17, motor 84 drives driving wheel 83 to rotate, and driving wheel 83 drives driven wheel 81 to rotate, and driven wheel 81 is with turn
Axis 12 rotates, and shaft 12 drives the first paddle 15 and the rotation of the second paddle 18, thus mix scavenging solution with exhaust gas,
Scavenging solution and exhaust gas contact more sufficiently；
S3, finally, purified gas is discharged by outlet tube 162, used scavenging solution is discharged by outlet tube 162, just
It is collected in staff.
Above-described specific embodiment has carried out further the purpose of the present invention, technical scheme and beneficial effects
It is described in detail, it should be understood that being not limited to this hair the foregoing is merely a specific embodiment of the invention
Bright, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should be included in the present invention
Protection scope within.
Claims (8)
1. a kind of energy saving and environment friendly combined waste gas treating device, including shell (17), it is characterised in that: in the shell (17)
The upper surface of wall is connected with first bearing (10), and is socketed with shaft (12) in first bearing (10), outside the shaft (12)
Surface is fixedly connected with the first paddle (15) and the second paddle (18), first paddle (15) and the second paddle
(18) it is respectively positioned on the inside of shell (17), and the first paddle (15) is located at the top of the second paddle (18), the shaft
(12) top passes through first bearing (10) and is fixedly connected with the lower surface of driving device (8), the bottom end set of the shaft (12)
It connects in second bearing (11), and the lower surface of second bearing (11) and the lower surface of shell (17) inner wall are clamped；The driving
The lower surface of device (8) is fixedly connected with the upper surface of shell (17), and the right side of shell (17) inner wall and exhaust pipe (14)
Left side be connected, and the right side of shell (17) inner wall is connected with the left end of liquid discharge device (16), the liquid discharge device
(16) it is located at the lower section of exhaust pipe (14), there are two flusher (7) for the upper surface clamping of shell (17) inner wall, and spray
The top of device (7) is connected with the lower surface of connecting tube (9)；The upper surface and water inlet pipe (13) of connecting tube (9) left end
Bottom end be connected, and connecting tube (9) is embedded in the upper surface of shell (17) inner wall, and the water inlet pipe (13) is connected to shell
(17) upper surface, and water inlet pipe (13) is located at the left side of first bearing (10)；The lower surface and bottom plate (1) of the shell (17)
Upper surface be fixedly connected, and the left side of shell (17) inner wall is connected with the outlet side of aspiration pump (19), the aspiration pump
(19) right side is fixedly connected with the left side of shell (17), the inlet end and collecting chamber (2) inner wall of the aspiration pump (19)
Right side be connected, and the lower surface of collecting chamber (2) is fixedly connected with the upper surface of bottom plate (1), and collecting chamber (2) inner wall is left
Side and right side are fixedly connected with the left side of filter plate (6) and right side respectively, the upper surface of the collecting chamber (2) and lid
The lower surface of plate (4) overlaps, and the left side of collecting chamber (2) is flexibly connected by hinge (3) with the left side of cover board (4), and
The right side of collecting chamber (2) and the right side of cover board (4) are fixedly connected by latching (20), the upper surface of the cover board (4) with
The top of collection port (5) is connected.
2. a kind of energy saving and environment friendly combined waste gas treating device according to claim 1, it is characterised in that: the driving
Device (8) includes driven wheel (81), and the lower surface of driven wheel (81) is fixedly connected with the top of shaft (12), the driven wheel
(81) it is sequentially connected by belt (82) and driving wheel (83), and the output shaft of the lower surface of driving wheel (83) and motor (84) is solid
Fixed connection, and the fuselage of motor (84) is fixedly connected with the upper surface of shell (17).
3. a kind of energy saving and environment friendly combined waste gas treating device according to claim 1, it is characterised in that: the liquid out
Device (16) includes outlet tube (162), and the left end of outlet tube (162) is connected with the right side of shell (17) inner wall, described
The upper surface of outlet tube (162) is provided with valve (161).
4. a kind of energy saving and environment friendly combined waste gas treating device according to claim 1, it is characterised in that: the filtering
The quantity of plate (6) is three, and the permeability of three filter plates (6) is sequentially reduced from top to bottom.
5. a kind of energy saving and environment friendly combined waste gas treating device according to claim 1, it is characterised in that: the sprinkling
Device (7) includes spray head (72), and the top of the spray head (72) is connected with the bottom end of drainage tube (71), and drainage tube (71)
Top is connected with the lower surface of connecting tube (9).
6. a kind of energy saving and environment friendly combined waste gas treating device described in -5 according to claim 1, it is characterised in that: the receipts
The left side of collection room (2) is fixedly installed with power supply (21), and the left side of collecting chamber (2) is provided with switch (22), and is switched
(22) it is located at the top of power supply (21).
7. a kind of energy saving and environment friendly combined waste gas treating device described in -6 according to claim 1, it is characterised in that: described to open
The input terminal for closing (22) is electrically connected by conducting wire with the output end of power supply (21), and the output end of the switch (22) passes through respectively leads
Line is electrically connected with the input terminal of motor (84) and aspiration pump (19).
8. a kind of energy saving and environment friendly combined type waste gas processing method, it is characterised in that: S1, firstly, aspiration pump 19 enter work shape
State generates pressure difference to air-breathing is carried out inside collecting chamber 2 under the flowing of air-flow inside collecting chamber 2, gas sampling mouth 5 enters
Into collecting chamber 2, exhaust gas is filtered by filter plate 6, since the quantity of filter plate 6 is three, three filter plates 6 it is penetrating
Property is sequentially reduced from top to bottom, and is sequentially increased to the adsorption capacity of impurity in exhaust gas, is only passed through exhaust gas, impurity is stayed in filtering
On plate 6；S2, then, staff will purify night from water inlet pipe 13 and be added to shell 17, using spray head 72 will purification
Liquid is sprayed onto shell 17, and motor 84 drives driving wheel 83 to rotate, and driving wheel 83 drives driven wheel 81 to rotate, and driven wheel 81 drives
Shaft 12 rotates, and shaft 12 drives the first paddle 15 and the rotation of the second paddle 18, so that scavenging solution be made to be mixed with exhaust gas
Close, scavenging solution and exhaust gas contact more sufficiently；S3, finally, purified gas is discharged by outlet tube 162, it is used
Scavenging solution is discharged by outlet tube 162, is collected convenient for staff.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910200708.4A CN109772142A (en) | 2019-03-17 | 2019-03-17 | A kind of energy saving and environment friendly combined waste gas treating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910200708.4A CN109772142A (en) | 2019-03-17 | 2019-03-17 | A kind of energy saving and environment friendly combined waste gas treating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109772142A true CN109772142A (en) | 2019-05-21 |
Family
ID=66489612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910200708.4A Withdrawn CN109772142A (en) | 2019-03-17 | 2019-03-17 | A kind of energy saving and environment friendly combined waste gas treating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109772142A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110559836A (en) * | 2019-11-07 | 2019-12-13 | 山东海普欧环保设备科技有限公司 | Polluting gas treatment equipment |
| CN112691489A (en) * | 2021-01-27 | 2021-04-23 | 刘美琴 | A fountain air purification equipment for exhaust-gas treatment of mill |
-
2019
- 2019-03-17 CN CN201910200708.4A patent/CN109772142A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110559836A (en) * | 2019-11-07 | 2019-12-13 | 山东海普欧环保设备科技有限公司 | Polluting gas treatment equipment |
| CN110559836B (en) * | 2019-11-07 | 2020-02-11 | 山东海普欧环保设备科技有限公司 | Polluting gas treatment equipment |
| CN112691489A (en) * | 2021-01-27 | 2021-04-23 | 刘美琴 | A fountain air purification equipment for exhaust-gas treatment of mill |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| WW01 | Invention patent application withdrawn after publication | ||
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Application publication date: 20190521 |