CN108926997A - Exhaust treatment system and its waste gas processing method for encaustic tile production line - Google Patents
Exhaust treatment system and its waste gas processing method for encaustic tile production line Download PDFInfo
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- CN108926997A CN108926997A CN201810887657.2A CN201810887657A CN108926997A CN 108926997 A CN108926997 A CN 108926997A CN 201810887657 A CN201810887657 A CN 201810887657A CN 108926997 A CN108926997 A CN 108926997A
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- dust
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 20
- 238000003672 processing method Methods 0.000 title claims description 6
- 239000002912 waste gas Substances 0.000 title claims description 6
- 239000007921 spray Substances 0.000 claims abstract description 98
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 88
- 239000003517 fume Substances 0.000 claims abstract description 51
- 239000007789 gas Substances 0.000 claims abstract description 51
- 239000000428 dust Substances 0.000 claims abstract description 49
- 238000000746 purification Methods 0.000 claims abstract description 38
- 238000005201 scrubbing Methods 0.000 claims abstract description 31
- 230000001699 photocatalysis Effects 0.000 claims abstract description 29
- 238000007146 photocatalysis Methods 0.000 claims abstract description 29
- 241000220317 Rosa Species 0.000 claims abstract description 23
- 239000000779 smoke Substances 0.000 claims abstract description 16
- 239000000843 powder Substances 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims description 14
- 230000001939 inductive effect Effects 0.000 claims description 8
- 239000002351 wastewater Substances 0.000 claims description 3
- 235000019504 cigarettes Nutrition 0.000 claims description 2
- 239000004071 soot Substances 0.000 abstract description 17
- 230000000694 effects Effects 0.000 abstract description 15
- 238000010926 purge Methods 0.000 abstract description 7
- 230000003197 catalytic effect Effects 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 235000013399 edible fruits Nutrition 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
-
- 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
- B01D47/06—Spray cleaning
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Treating Waste Gases (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
The invention discloses a kind of exhaust treatment systems for encaustic tile production line, including powder purification apparatus, fume purifier of fume and the feed cistern for cooperating powder purification apparatus and fume purifier of fume, powder purification apparatus includes the dust general pipeline being connected on multiple batch cans, the spray column group being connected in turn by pipeline on dust general pipeline, first photocatalysis box, first air-introduced machine and chimney, fume purifier of fume includes the exhaust fume collecting hood being arranged at the top of the oil sump of workshop, the dynamic wave scrubbing tower being connected in turn by pipeline on exhaust fume collecting hood, water Rose Box, second photocatalysis box, second air-introduced machine and chimney, feed cistern by water supplying pipe respectively with spray column group, dynamic wave scrubbing tower is connected with water Rose Box.The present invention separates dusty gas and soot gas using two purge lines to carry out purified treatment, prevents dust and oil smoke from mixing and is adhered, facilitates the purification of dusty gas and soot gas, it is ensured that dusty gas clean-up effect and soot gas clean-up effect.
Description
Technical field
The invention belongs to field of environment protection more particularly to a kind of exhaust treatment systems for encaustic tile production line and its useless
Gas disposal method.
Background technique
Encaustic tile production line has some dusty gas in each batch can and generates, in the oil sump of workshop when producing encaustic tile
Many soot gas can be generated again, if those gases are exhausted directly in atmosphere, will generate pollution to atmosphere；Therefore, it is necessary to
Atmosphere can be just discharged to after carrying out purified treatment to those gases using special exhaust treatment system；And current most of producer
The exhaust treatment system used is often handled dusty gas and soot gas, together due to dusty gas and soot gas
Characteristic it is different, after mixing together, dust is easy to be adhered by oil smoke, becomes large dust particle, and purification is got up number
It is tired, and oil smoke mixes in dust, can also improve fume purifying difficulty, and the clean-up effect of dusty gas and soot gas is caused to obtain
Less than guarantee.
Summary of the invention
The present invention provides a kind of by dusty gas and oil to solve above-mentioned defect existing in the prior art and deficiency
Flue gas body separates to carry out purified treatment, is finally discharged to atmosphere by chimney together again, prevents dust and oil smoke from mixing and is adhered,
Facilitate the purification of dusty gas and soot gas, it is ensured that dusty gas clean-up effect and soot gas clean-up effect are used for encaustic tile
The exhaust treatment system and its waste gas processing method of production line.
Technical solution of the present invention: a kind of exhaust treatment system for encaustic tile production line, including powder purification apparatus, oil
Fume purifying apparatus and the feed cistern for cooperating powder purification apparatus and fume purifier of fume, the powder purification apparatus include connection
On multiple batch cans dust general pipeline, be connected in turn by pipeline on dust general pipeline spray column group, the first photocatalysis box,
One air-introduced machine and chimney, the fume purifier of fume include that exhaust fume collecting hood at the top of the oil sump of workshop is arranged in, is successively connected by pipeline
Connect dynamic wave scrubbing tower, water Rose Box, the second photocatalysis box, the second air-introduced machine and chimney on exhaust fume collecting hood, the feed cistern
It is connect respectively with spray column group, dynamic wave scrubbing tower and water Rose Box by water supplying pipe.
The present invention separates dusty gas and soot gas using two purge lines to carry out purified treatment, last another
It rises and atmosphere is discharged to by chimney, prevent dust and oil smoke from mixing and be adhered, facilitate the purification of dusty gas and soot gas, and
It all uses Water warfare and light catalytic purifying to combine in every purge line, further ensures that dusty gas clean-up effect and oil smoke
Gas purifying effect.
Preferably, several first spray heads are intervally distributed in the dust general pipeline, the one end the dust general pipeline is equipped with
The mouth of a river, the water outlet lower section are equipped with air floatation machine, and the water inlet end of the air floatation machine connects a water feeding tank, the water inlet of the water feeding tank
End connects feed cistern by pipeline, and the water outlet of the air floatation machine connects a filtered water tank, and the water outlet of the filtered water tank passes through spray
Drench each first spray head of general pipeline connection.
This kind of structure allows dusty gas before entering spray column group, at the beginning of being carried out first by the first spray head
Spray cleaning is walked, the sewage for further increasing its clean-up effect, while spraying generation recycles benefit after can handling by air floatation machine
With.
Preferably, the quantity of first spray head and the quantity of batch can match, and each first spray head is one corresponding
Batch can, the total bottom of the tube of dust are equipped with a catch basin, and the water outlet is located at the end of catch basin.
This kind of structure further ensures that the available preliminary spray cleaning of dusty gas that each batch can comes out, and sprays simultaneously
The sewage that purification generates obtains effective collection processing.
Preferably, the spray column group includes the first spray column and the second spray column being cascaded, first spray
Drench tower blast pipe by pipeline connect dust general pipeline outlet air end, the first spray column outlet air end connection the second spray column into
Wind end, the outlet air end of the second spray column connect the air intake of the first photocatalysis box, the outlet air end of the first photocatalysis box by pipeline
The air intake of the first air-introduced machine is connected by pipeline, the outlet air end of the first air-introduced machine connects the air intake of chimney by pipeline.
This kind of structure ensures the connection continuity of each purifying part of powder purification apparatus, to guarantee its purification effect
Fruit.
Preferably, the quantity of first spray head and batch can is 5, and each batch can passes through a dust branch pipe connection
Dust general pipeline, each first spray head pass through a spray branch pipe connection spray general pipeline.
This kind of structure ensures that the dusty gas that batch can generates can smoothly enter road purified treatment after dust general pipeline is carried out.
Preferably, the second spray head is equipped in the dynamic wave scrubbing tower, the feed cistern is connected by a spray piping
Second spray head.
This kind of structure allows soot gas before dynamic wave scrubbing tower purified treatment, is carried out by the second spray head
First of preliminary spray cleaning, further increases its clean-up effect.
Preferably, the air intake of the dynamic wave scrubbing tower connects the outlet air end of exhaust fume collecting hood, dynamic wave scrubbing by pipeline
The outlet air end of tower connects the air intake of water Rose Box by pipeline, and the outlet air end of water Rose Box connects the second photocatalysis by pipeline
The air intake of case, the outlet air end of the second photocatalysis box connect the air intake of the second air-introduced machine by pipeline, and the second air-introduced machine goes out
Wind end connects chimney by pipeline.
This kind of structure ensures the connection continuity of each purifying part of fume purifier of fume, to guarantee its purification effect
Fruit.
Preferably, the exhaust fume collecting hood bottom is buckled on the lateral wall of workshop oil sump by retaining ring, and the lower end of exhaust fume collecting hood is opened
Open area is greater than the area of workshop oil sump, and the outlet air end opening area of exhaust fume collecting hood is less than the area of workshop oil sump.
This kind of structure ensures that the oil smoke that workshop oil sump generates can be more preferably more thoroughly collected by exhaust fume collecting hood.
Preferably, the feed cistern by water supplying pipe be separately connected dynamic wave scrubbing tower water inlet end and water Rose Box into
Water end (W.E.), second spray head are located at the air intake of dynamic wave scrubbing tower.
This kind of structure facilitates water supply of the feed cistern to dynamic wave scrubbing tower and water Rose Box, while facilitating the second spray head pair
Soot gas into dynamic wave scrubbing tower carries out preliminary purification.
A kind of waste gas processing method of the exhaust treatment system for encaustic tile production line, including dust purification method and oil smoke
Purification method,
Wherein dust purification method and step is as follows: the movement of the first air-introduced machine, containing dusty gas from the air outlet of each batch can
Dust general pipeline is entered, first of water spray purified treatment, water spray purification are carried out using the first spray head in dust general pipeline
The waste water that processing generates is flowed into air floatation machine to have handled and be recycled later into filtered water tank；At first of water spray purification
After reason containing dusty gas under the air inducing effect of air-introduced machine, at the purification that passes sequentially through spray column group and the first photocatalysis box
Reason is finally discharged from chimney；
Wherein steps are as follows for fume purifying method: the movement of the second air-introduced machine, oil-contg. smoke body is from workshop oil sump by exhaust fume collecting hood
Collect, then air-introduced machine air inducing effect under, pass sequentially through dynamic wave scrubbing tower, water Rose Box, the second photocatalysis box it is net
Change processing, is finally discharged from chimney.
The present invention separates dusty gas and soot gas using two purge lines to carry out purified treatment, last another
It rises and atmosphere is discharged to by chimney, prevent dust and oil smoke from mixing and be adhered, facilitate the purification of dusty gas and soot gas, and
It all uses Water warfare and light catalytic purifying to combine in every purge line, further ensures that dusty gas clean-up effect and oil smoke
Gas purifying effect.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
1. feed cistern in figure, 2. batch cans, 3. dust general pipeline, 4. first spray columns, 5. second spray columns, 6. first photocatalysis
Case, 7. first air-introduced machines, 8. air floatation machines, 9. filtered water tanks, 10. water feeding tanks, 11. first spray heads, 12. spray general pipeline, 13. workshops
Oil sump, 14. exhaust fume collecting hoods, 15. dynamic wave scrubbing towers, 16. water Rose Boxes, 17. second photocatalysis boxes, 18. second air-introduced machines, 19.
Second spray head, 20. chimneys, 21. dust branch pipes, 22. spray branch pipes, 23. water outlets, 24. spray pipings.
Specific embodiment
The invention will now be described in further detail with reference to the accompanying drawings, but is not the limit to the scope of the present invention
System.
As shown in Figure 1, a kind of exhaust treatment system for encaustic tile production line, including powder purification apparatus, fume purifying
Device and the feed cistern 1 for cooperating powder purification apparatus and fume purifier of fume.Powder purification apparatus includes being connected to 5 batch cans
Dust general pipeline 3 on 2, the spray column group being connected in turn by pipeline on dust general pipeline 3, the first photocatalysis box 6, the first air inducing
Machine 7 and chimney 20.Fume purifier of fume includes the exhaust fume collecting hood 14 that the top of workshop oil sump 13 is arranged in, is connected in turn by pipeline
Dynamic wave scrubbing tower 15, water Rose Box 16, the second photocatalysis box 17, the second air-introduced machine 18 and chimney 20 on exhaust fume collecting hood 14.For
Pond 1 is connect with spray column group, dynamic wave scrubbing tower 15 and water Rose Box 16 respectively by water supplying pipe.Interval in dust general pipeline 3
5 the first spray heads 11 are distributed with, 3 one end dust general pipeline is equipped with water outlet 23, is equipped with air floatation machine 8, air bearing below water outlet 23
The water inlet end of machine 8 connects a water feeding tank 10, and the water inlet end of water feeding tank 10 connects feed cistern 1, the water outlet of air floatation machine 8 by pipeline
A filtered water tank 9 is connected, the water outlet of filtered water tank 9 connects each first spray head 11 by spraying general pipeline 12.First spray head 11
Quantity and the quantity of batch can 2 match, the corresponding batch can 2 of each first spray head 11,3 bottom dust general pipeline is equipped with a collection
Sink, water outlet 23 are located at the end of catch basin.Spray column group includes the first spray column 4 and the second spray column being cascaded
5, the blast pipe of the first spray column 4 connects the outlet air end of dust general pipeline 3 by pipeline, the outlet air end connection of the first spray column 4 the
The air intake of two spray columns 5, the outlet air end of the second spray column 5 connect the air intake of the first photocatalysis box 6, the first light by pipeline
The outlet air end of catalyst container 6 connects the air intake of the first air-introduced machine 7 by pipeline, and the outlet air end of the first air-introduced machine 7 is connected by pipeline
The air intake of cigarette receiving chimney 20.Each batch can 2 connects dust general pipeline 3 by a dust branch pipe 21, and each first spray head 11 is logical
Cross a spray branch pipe 22 connection spray general pipeline 12.The second spray head 19 is equipped in dynamic wave scrubbing tower 15, feed cistern 1 passes through one
Spray piping 24 connects the second spray head 19.The air intake of dynamic wave scrubbing tower 15 connects the outlet air of exhaust fume collecting hood 14 by pipeline
End, the outlet air end of dynamic wave scrubbing tower 15 connect the air intake of water Rose Box 16 by pipeline, and the outlet air end of water Rose Box 16 is logical
Piping connects the air intake of the second photocatalysis box 17, and the outlet air end of the second photocatalysis box 17 connects the second air-introduced machine by pipeline
The outlet air end of 18 air intake, the second air-introduced machine 18 connects chimney 20 by pipeline.14 bottom of exhaust fume collecting hood is buckled in vehicle by retaining ring
Between oil sump 13 lateral wall on, and the lower ending opening area of exhaust fume collecting hood 14 be greater than workshop oil sump 13 area, exhaust fume collecting hood 14 go out
Wind end opening area is less than the area of workshop oil sump 13.Feed cistern 1 by water supplying pipe be separately connected dynamic wave scrubbing tower 15 into
The water inlet end of water end (W.E.) and water Rose Box 16, the second spray head 19 are located at the air intake of dynamic wave scrubbing tower 15.
A kind of waste gas processing method of the exhaust treatment system for encaustic tile production line, including dust purification method and oil smoke
Purification method,
Wherein dust purification method and step is as follows: the movement of the first air-introduced machine, containing dusty gas from the air outlet of each batch can
Dust general pipeline is entered, first of water spray purified treatment, water spray purification are carried out using the first spray head in dust general pipeline
The waste water that processing generates is flowed into air floatation machine to have handled and be recycled later into filtered water tank；At first of water spray purification
After reason containing dusty gas under the air inducing effect of air-introduced machine, at the purification that passes sequentially through spray column group and the first photocatalysis box
Reason is finally discharged from chimney；
Wherein steps are as follows for fume purifying method: the movement of the second air-introduced machine, oil-contg. smoke body is from workshop oil sump by exhaust fume collecting hood
Collect, then air-introduced machine air inducing effect under, pass sequentially through dynamic wave scrubbing tower, water Rose Box, the second photocatalysis box it is net
Change processing, is finally discharged from chimney.
The first spray column, the second spray column, the first photocatalysis box, the first air-introduced machine, air floatation machine, dynamic wave in the present invention
Scrubbing tower, water Rose Box, the second photocatalysis box, the second air-introduced machine are the conventional plants of market buying, carry out conventional installation
It can come into operation with connection, therefore specific structure and concrete operating principle are not stated carefully.
The present invention separates dusty gas and soot gas using two purge lines to carry out purified treatment, last another
It rises and atmosphere is discharged to by chimney, prevent dust and oil smoke from mixing and be adhered, facilitate the purification of dusty gas and soot gas, and
It all uses Water warfare and light catalytic purifying to combine in every purge line, further ensures that dusty gas clean-up effect and oil smoke
Gas purifying effect.
Claims (10)
1. a kind of exhaust treatment system for encaustic tile production line, it is characterised in that: it includes powder purification apparatus, fume purifying
Device and the feed cistern for cooperating powder purification apparatus and fume purifier of fume, the powder purification apparatus are multiple including being connected to
Dust general pipeline on batch can, the spray column group being connected in turn by pipeline on dust general pipeline, the first photocatalysis box, the first air inducing
Machine and chimney, the fume purifier of fume include that exhaust fume collecting hood at the top of the oil sump of workshop is arranged in, is connected to collection in turn by pipeline
Dynamic wave scrubbing tower, water Rose Box, the second photocatalysis box, the second air-introduced machine and chimney, the feed cistern on petticoat pipe pass through confession
Water pipe is connect with spray column group, dynamic wave scrubbing tower and water Rose Box respectively.
2. a kind of exhaust treatment system for encaustic tile production line according to claim 1, it is characterised in that: the dust
Several first spray heads are intervally distributed in general pipeline, the one end the dust general pipeline is equipped with water outlet, is equipped with below the water outlet
Air floatation machine, the water inlet end of the air floatation machine connect a water feeding tank, and the water inlet end of the water feeding tank connects feed cistern, institute by pipeline
The water outlet for stating air floatation machine connects a filtered water tank, and the water outlet of the filtered water tank passes through each first spray of spray general pipeline connection
Head.
3. a kind of exhaust treatment system for encaustic tile production line according to claim 2, it is characterised in that: described first
The quantity of spray head and the quantity of batch can match, and the corresponding batch can of each first spray head, the total bottom of the tube of dust is set
There is a catch basin, the water outlet is located at the end of catch basin.
4. a kind of exhaust treatment system for encaustic tile production line according to claim 2, it is characterised in that: the spray
Tower group includes the first spray column and the second spray column being cascaded, and the blast pipe of first spray column is connected by pipeline
The outlet air end of dust general pipeline, the outlet air end of the first spray column connect the air intake of the second spray column, the outlet air end of the second spray column
The air intake of the first photocatalysis box is connected by pipeline, the outlet air end of the first photocatalysis box connects the first air-introduced machine by pipeline
Air intake, the outlet air end of the first air-introduced machine connect the air intake of chimney by pipeline.
5. a kind of exhaust treatment system for encaustic tile production line according to claim 2, it is characterised in that: described first
The quantity of spray head and batch can is 5, and each batch can connects dust general pipeline, each first spray head by a dust branch pipe
Pass through a spray branch pipe connection spray general pipeline.
6. a kind of exhaust treatment system for encaustic tile production line according to claim 1, it is characterised in that: the power
The second spray head is equipped in wave scrubbing tower, the feed cistern connects the second spray head by a spray piping.
7. a kind of exhaust treatment system for encaustic tile production line according to claim 6, it is characterised in that: the power
The air intake of wave scrubbing tower connects the outlet air end of exhaust fume collecting hood by pipeline, and the outlet air end of dynamic wave scrubbing tower connects water by pipeline
The air intake of Rose Box, the outlet air end of water Rose Box connect the air intake of the second photocatalysis box, the second photocatalysis box by pipeline
Outlet air end the air intake of the second air-introduced machine is connected by pipeline, the outlet air end of the second air-introduced machine connects chimney by pipeline.
8. a kind of exhaust treatment system for encaustic tile production line according to claim 7, it is characterised in that: the collection cigarette
Cover bottom is buckled on the lateral wall of workshop oil sump by retaining ring, and the lower ending opening area of exhaust fume collecting hood is greater than the face of workshop oil sump
Product, the outlet air end opening area of exhaust fume collecting hood are less than the area of workshop oil sump.
9. a kind of exhaust treatment system for encaustic tile production line according to claim 6, it is characterised in that: the water supply
Pond is separately connected the water inlet end of dynamic wave scrubbing tower and the water inlet end of water Rose Box by water supplying pipe, and second spray head is located at
The air intake of dynamic wave scrubbing tower.
10. a kind of waste gas processing method for the exhaust treatment system of encaustic tile production line as claimed in claim 2, feature
Be: it includes dust purification method and fume purifying method,
Wherein dust purification method and step is as follows: the movement of the first air-introduced machine, enters containing dusty gas from the air outlet of each batch can
To dust general pipeline, first of water spray purified treatment, water spray purified treatment are carried out using the first spray head in dust general pipeline
The waste water of generation is flowed into air floatation machine to have handled and be recycled later into filtered water tank；After first of water spray purified treatment
Containing dusty gas air-introduced machine air inducing effect under, pass sequentially through the purified treatment of spray column group and the first photocatalysis box, most
It is discharged afterwards from chimney；
Wherein steps are as follows for fume purifying method: the movement of the second air-introduced machine, oil-contg. smoke body are collected from workshop oil sump by exhaust fume collecting hood,
Then under the air inducing effect of air-introduced machine, at the purification that passes sequentially through dynamic wave scrubbing tower, water Rose Box, the second photocatalysis box
Reason is finally discharged from chimney.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810887657.2A CN108926997A (en) | 2018-08-06 | 2018-08-06 | Exhaust treatment system and its waste gas processing method for encaustic tile production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810887657.2A CN108926997A (en) | 2018-08-06 | 2018-08-06 | Exhaust treatment system and its waste gas processing method for encaustic tile production line |
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|---|---|
| CN108926997A true CN108926997A (en) | 2018-12-04 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810887657.2A Pending CN108926997A (en) | 2018-08-06 | 2018-08-06 | Exhaust treatment system and its waste gas processing method for encaustic tile production line |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112206648A (en) * | 2020-10-16 | 2021-01-12 | 无锡星亿智能环保装备股份有限公司 | Electroplating waste gas groove limit comprehensive purification treatment system |
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