CN109395561A - A kind of crystal seed tail gas treatment device and processing method - Google Patents
A kind of crystal seed tail gas treatment device and processing method Download PDFInfo
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- CN109395561A CN109395561A CN201811371367.9A CN201811371367A CN109395561A CN 109395561 A CN109395561 A CN 109395561A CN 201811371367 A CN201811371367 A CN 201811371367A CN 109395561 A CN109395561 A CN 109395561A
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- 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
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
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- 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
- B01D53/02—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 by adsorption, e.g. preparative gas chromatography
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- 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
- B01D53/46—Removing components of defined structure
- B01D53/54—Nitrogen compounds
- B01D53/56—Nitrogen oxides
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- 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
- B01D53/76—Gas phase processes, e.g. by using aerosols
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/10—Oxidants
- B01D2251/102—Oxygen
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- Environmental & Geological Engineering (AREA)
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Abstract
The invention discloses a kind of crystal seed tail gas treatment device, including gas reaction tank, exhaust-gas treatment tank and wasted nickel catalyst device, gas reaction tank, exhaust-gas treatment tank and wasted nickel catalyst device are sequentially connected；It is provided with reacting tank body to be convenient for the nitric oxide in exhaust gas becoming nitrogen dioxide, while being provided with coil pipe makes nitric oxide come into full contact with and reflect with oxygen；The exhaust-gas treatment tank of setting, convenient for fully absorbing the nitrogen dioxide in exhaust gas；The exhaust gas delivery detection device of setting is convenient for the exhaust gas progress real-time monitoring to discharge to close valve when the nitrogen dioxide in exhaust gas does not handle clean, and the time of contact for increasing water and exhaust gas completely removes the nitrogen dioxide in exhaust gas to reach.
Description
Technical field
The present invention relates to a kind of pigment production devices, and in particular to a kind of crystal seed tail gas treatment device.
Background technique
Ferrous sulfate is slowly oxidized to di-iron trioxide now and is deposited in α-Fe2O3The periphery of nucleus is so that nucleus
Need to heat nitric acid when slowly growing up to form iron oxide red, but nitric acid can generate nitrogen dioxide and an oxidation when carrying out complex acid
Nitrogen can easily be sponged the nitrogen dioxide in exhaust gas since nitrogen dioxide is dissolved in water by water exclusive method, but exhaust gas
In there is also nitric oxides, and nitric oxide is not soluble in water, can not be removed the nitric oxide in exhaust gas by water exclusive method
Fall, in the air that the nitric oxide in tail gas is discharged to the external world, nitrogen dioxide can be quickly oxidized to, to local environment composition ratio
Large effect.
Summary of the invention
In view of the above shortcomings of the prior art, the invention proposes a kind of crystal seed tail gas treatment devices, and being convenient for will be in exhaust gas
Nitric oxide disposed together with nitrogen dioxide, while also can to the carry out real-time monitoring discharged, prevent nitric oxide with
Nitrogen dioxide is arranged outwardly.
In order to achieve the above object, the solution of the present invention；A kind of crystal seed tail gas treatment device, including it is gas reaction tank, useless
Gas disposal tank and wasted nickel catalyst device, gas reaction tank, exhaust-gas treatment tank and wasted nickel catalyst device are sequentially connected, gas reaction tank
Tracheae is discharged including reacting tank body, spiral coil, air intake duct and air, is provided with bolt coil pipe and spiral in reacting tank body
The both ends of coil pipe are separately fixed at the upper and lower ends of reacting tank body, and multiple pores and helical disk are provided on the tube wall of spiral coil
The upper end closed of pipe, extending outwardly in the lower end of spiral coil and pass through the outer wall of reacting tank body is connected with exhaust inlet pipe,
It is fixed with columnar spongy layer on the inner wall of air inlet pipe, is connected with air intake duct and air intake duct in the lower end of reacting tank body
Across the bottom of reacting tank body, it is fixed with air pump on air intake duct, spherical shell is connected at the top of air intake duct
And it is provided with hole on spherical shell, air discharge tracheae is connected at the top of reacting tank body；Tracheae and exhaust-gas treatment is discharged in air
Tank connection, exhaust-gas treatment tank include processing tank body, water inlet pipe, outlet pipe and paddle, handle and are fixed on the inner wall of tank body
Multiple isocons and more isocons are connect with same root air discharge duct, multiple pores are provided on every isocon, are being located
It is additionally provided with paddle in reason tank body, is respectively fixed with outlet pipe and water inlet on the upper/lower terminal of the outer wall of processing pipe tank body
Pipe；It is connected with exhaust emission tube at the top of exhaust-gas treatment tank, wasted nickel catalyst device, exhaust gas inspection are provided in exhaust emission tube
Surveying device includes detection ware, check valve, PH meter and valve, detection ware is provided in exhaust emission tube, in the bottom of detection ware
It is fixed with check valve and check valve is connected to the bottom of detection ware, fill water in detection ware, wherein being provided in detection ware
PH meter, detection ware below exhaust emission tube be provided with valve, wherein PH meter be connected with controller, controller control and valve into
Row connection.
A kind of processing method based on crystal seed tail gas treatment device；
One, the exhaust gas generated when by nitric acid complex acid is entered in spiral coil by exhaust inlet pipe, exhaust gas by exhaust gas into
When tracheae, in exhaust inlet pipe column spongy layer in exhaust gas steam and nitric acid adsorb, the corruption in such exhaust gas
The substance of corrosion is discharged；
Two, exhaust gas enters in bolt coil pipe, and by the pore on spiral coil enter in reacting tank body with a large amount of oxygen
Gas, which liquidates, to react, and makes the conversion of nitric oxide gas in exhaust gas at nitrogen dioxide；
Three, exhaust gas carries a large amount of air and enters processing tank body, due to, there are a large amount of water, passing through stirring in process tank body
Mode reacts the nitrogen dioxide in exhaust gas with water completely, in this way excludes the nitrogen dioxide in exhaust gas；
Four, the water inlet of water inlet pipe and outlet pipe and discharging water realizes that the intracorporal water of reactor tank recycles, and so intracorporal water of reactor tank is not
Can reach saturation without being reacted with nitrogen dioxide, while exhaust gas from exhaust emission tube exclude when need by PH count detection inspection
Whether the water surveyed in ware is acidity, and when for acidity, closed shutter increases the reaction time.
Compared with the prior art, the advantages of the present invention are as follows；1, reacting tank body is provided with to be convenient for the oxidation in exhaust gas
Nitrogen becomes nitrogen dioxide, while being provided with coil pipe makes nitric oxide come into full contact with and reflect with oxygen；2, the exhaust-gas treatment being arranged
Tank, convenient for fully absorbing the nitrogen dioxide in exhaust gas；3, the exhaust gas delivery detection device being arranged is convenient for the exhaust gas to discharge
It carries out real-time monitoring to close valve when the nitrogen dioxide in exhaust gas does not handle clean, increases connecing for water and exhaust gas
The touching time completely removes the nitrogen dioxide in exhaust gas to reach.
Detailed description of the invention
Fig. 1 is cross-sectional view of the invention.
Fig. 2 is the partial view of wasted nickel catalyst device of the present invention.
Wherein, 1, gas reaction tank, 1.1, reacting tank body, 1.2, spiral coil, 1.3, exhaust inlet pipe, 1.4, sponge
Layer, 1.5, air intake duct, 1.6, air pump, 1.7, air be discharged tracheae, 2, exhaust-gas treatment tank, 2.1, processing tank body, 2.2, into
Water pipe, 2.3, outlet pipe, 2.4, paddle, 2.5, exhaust emission tube, 3, wasted nickel catalyst device, 3.1, detection ware, 3.2, unidirectional
Valve, 3.3, PH meter, 3.4, valve, 3.5, controller.
Specific embodiment
It is further elucidated above to the present invention presently in connection with attached drawing.
As shown in Figs. 1-2, a kind of crystal seed tail gas treatment device, including gas reaction tank 1, exhaust-gas treatment tank 2 and exhaust gas are examined
Device 3 is surveyed, gas reaction tank 1, exhaust-gas treatment tank 2 pass sequentially through pipeline with wasted nickel catalyst device 3 and connect, and gas reaction tank 1 wraps
It includes reacting tank body 1.1, spiral coil 1.2, air intake duct 1.5 and air and tracheae 1.7 is discharged, be provided in reacting tank body 1.1
The both ends of bolt coil pipe and spiral coil 1.2 are fixed on the upper and lower ends of 1.1 inner wall of reacting tank body by welding respectively,
The upper end closed of multiple pores and spiral coil 1.2 is provided on the tube wall of spiral coil 1.2, in the lower end of spiral coil 1.2
Extend outwardly and the outer wall for passing through reacting tank body 1.1 is welded with exhaust inlet pipe 1.3, leads on the inner wall of exhaust inlet pipe 1.3
Cross the fixed mode of glue and be fixed with columnar spongy layer 1.4, spongy layer 1.4 can in exhaust gas steam and nitric acid inhale
It receives, prevents from there is acid liquid in exhaust gas and corroding spiral coil 1.2 in this way, it is logical in the lower end of reacting tank body 1.1
The mode for crossing welding is fixed with the bottom that air intake duct 1.5 and air intake duct 1.5 pass through reacting tank body 1.1, air into
Air pump 1.6 is fixed on tracheae 1.5 by welding, is welded with spherical shell and ball at the top of air intake duct 1.5
Hole is provided on shape shell, the gas in air pipe is spread around by spherical shell, is welded at the top of reacting tank body 1.1
It is connected to air discharge tracheae 1.7, exhaust gas is sprayed from multiple pores on bolt coil pipe, since exhaust gas is from four circumferentially intermediate ejections,
And air is spread around from centre, exhaust gas and air generate convection current, and such air is uniformly mixed with exhaust gas, the oxygen in exhaust gas
Change nitrogen to carry out reacting generation nitrogen dioxide with the oxygen in reacting tank body 1.1, in this way excludes the nitric oxide in exhaust gas；It is empty
Gas discharge tracheae 1.7 connect with exhaust-gas treatment tank 2 by pipeline, exhaust-gas treatment tank 2 including handle tank body 2.1, water inlet pipe 2.2,
Outlet pipe 2.3 and paddle 2.4 handle and multiple isocons and more such as are fixed on the inner wall of tank body 2.1 by welding
Root isocon and same root air discharge duct are welded to connect, and multiple pores are provided on every isocon, in processing tank body 2.1
Paddle 2.4 is fixed with by sealing bearing and paddle 2.4 is by the motor driven of 2.1 lower section of processing tank body, is handling pipe
It is fixed with outlet pipe 2.3 and water inlet pipe 2.2 on the upper/lower terminal of the outer wall of tank body by welding respectively；At exhaust gas
The top of reason tank 2 is welded with exhaust emission tube 2.5, and exhaust gas passes through knockout drum from four circumferentially intermediate diffusions, while passing through paddle
2.4 are stirred, and are uniformly mixed exhaust gas with water, due in exhaust gas there are a large amount of oxygen and nitrogen dioxide, in water to two
When nitrogen oxide is absorbed, nitric oxide will not be generated；It is fixed with by welding in exhaust emission tube 2.5 useless
Gas detection device 3, wasted nickel catalyst device 3 include detection ware 3.1, check valve 3.2, PH meter 3.3 and valve 3.4, are discharged in exhaust gas
Detection ware 3.1 and detection ware 3.1 are fixed in pipe 2.5 by welding by 2.5 top closure of exhaust emission tube, is being detected
Check valve 3.2 is arranged by welding at the bottom of ware 3.1 and check valve 3.2 is connected to the bottom of detection ware 3.1, in detection ware
Water is filled in 3.1, wherein being placed with PH meter 3.3 in detection ware 3.1, the exhaust emission tube 2.5 below detection ware 3.1 passes through
Ring flange fixed valve 3.4, wherein PH meter 3.3 is connected with controller 3.5 by conducting wire, and the control of controller 3.5 passes through with valve 3.4
Conducting wire is attached, and exhaust gas is entered in detection ware 3.1 by exhaust emission tube 2.5 and check valve 3.2, when in exhaust gas there is also
When nitrogen dioxide, nitrogen dioxide is reacted with water generates nitric acid, and acidity is presented in nitric acid, and at this time PH meter 3.3 is in acidity, PH
Signal is fed back to controller 3.5 by meter 3.3, and 3.5 control valve 3.4 of controller is closed, and at this time exhaust gas stops discharge, is given up simultaneously
Gas also stops entering in processing tank body 2.1, also increases the reaction time of nitrogen dioxide and water in this way.
A kind of processing method based on crystal seed tail gas treatment device；
One, the exhaust gas generated when by nitric acid complex acid is entered in spiral coil 1.2 by exhaust inlet pipe 1.3, is passed through in exhaust gas
When exhaust inlet pipe 1.3, in exhaust inlet pipe 1.3 column spongy layer 1.4 in exhaust gas steam and nitric acid adsorb,
Corrosive substance in this way in exhaust gas is discharged；
Two, exhaust gas enters in bolt coil pipe, and by the pore on spiral coil 1.2 enter in reacting tank body 1.1 with it is big
The oxygen of amount, which liquidates, to react, and makes the conversion of nitric oxide gas in exhaust gas at nitrogen dioxide；
Three, exhaust gas carries a large amount of air and enters processing tank body 2.1, due to, there are a large amount of water, passing through in processing tank body 2.1
The mode of stirring reacts the nitrogen dioxide in exhaust gas with water completely, in this way excludes the nitrogen dioxide in exhaust gas；
Four, the water inlet of water inlet pipe 2.2 and outlet pipe 2.3 is recycled with the water realized in reacting tank body 1.1 that discharges water, such reacting tank body
Water in 1.1 be not up to saturation without being reacted with nitrogen dioxide, while exhaust gas from exhaust emission tube 2.5 exclude when need
It whether is acidity by the water in 3.3 detection detection ware 3.1 of PH meter, when for acidity, closed shutter, when increasing reaction
Between.
In use, exhaust gas is passed into gas reaction tank 1, it, will by being filled with a large amount of oxygen in gas reaction tank 1
Then exhaust gas is passed into exhaust-gas treatment tank 2 by the oxidation of nitric oxide in exhaust gas at nitrogen dioxide, anti-with water with nitrogen dioxide
Nitrogen dioxide in exhaust gas should be fully absorbed, while be circulating water in exhaust-gas treatment tank 2, the exhaust gas in exhaust-gas treatment tank 2
It is outwardly discharged by exhaust emission tube 2.5, exhaust gas is entered in detection ware 3.1 by check valve 3.2, detects ware by detection
Whether the pH value of water detects in exhaust gas there is also for fully erased nitrogen dioxide, when there is also titanium dioxides in exhaust gas in 3.1
When nitrogen, 3.5 control valve 3.4 of controller is closed, and increases the reaction time of nitrogen dioxide and water, by the titanium dioxide in exhaust gas
Nitrogen completely removes, then the water in replacement detection ware 3.1, convenient for detecting to nitrogen dioxide in exhaust gas.
Claims (2)
1. a kind of crystal seed tail gas treatment device, including gas reaction tank, exhaust-gas treatment tank and wasted nickel catalyst device, gas reaction
Tank, exhaust-gas treatment tank and wasted nickel catalyst device are sequentially connected, which is characterized in that gas reaction tank includes reacting tank body, helical disk
Tracheae is discharged in pipe, air intake duct and air, is provided with bolt coil pipe in reacting tank body and the both ends of spiral coil are fixed respectively
In the upper and lower ends of reacting tank body, the upper end closed of multiple pores and spiral coil is provided on the tube wall of spiral coil, in spiral shell
The lower end of capstan pipe, which extends outwardly and passes through the outer wall of reacting tank body, is connected with exhaust inlet pipe, fixed on the inner wall of air inlet pipe
There is columnar spongy layer, is connected with air intake duct in the lower end of reacting tank body and air intake duct passes through the bottom of reacting tank body
Portion is fixed with air pump on air intake duct, is connected on spherical shell and spherical shell and is provided at the top of air intake duct
Hole is connected with air discharge tracheae at the top of reacting tank body；Air discharge tracheae is connect with exhaust-gas treatment tank, exhaust-gas treatment tank
Including processing tank body, water inlet pipe, outlet pipe and paddle, handles and multiple isocons and more points such as be fixed on the inner wall of tank body
Flow tube is connect with same root air discharge duct, and multiple pores are provided on every isocon, is additionally provided with and is stirred in process tank body
Leaf is mixed, is respectively fixed with outlet pipe and water inlet pipe on the upper/lower terminal of the outer wall of processing pipe tank body；On the top of exhaust-gas treatment tank
Portion is connected with exhaust emission tube, and wasted nickel catalyst device is provided in exhaust emission tube, and wasted nickel catalyst device includes detection ware, list
To valve, PH meter and valve, it is provided with detection ware in exhaust emission tube, is fixed with check valve and check valve in the bottom of detection ware
It is connected to the bottom of detection ware, fills water in detection ware, wherein PH meter is provided in detection ware, it is useless below detection ware
Gas discharge pipe is provided with valve, and wherein PH meter is connected with controller, and controller control is attached with valve.
2. based on a kind of processing method of crystal seed tail gas treatment device described in claim 1, it is characterised in that；
One, the exhaust gas generated when generation crystal seed is entered in spiral coil by exhaust inlet pipe, is passed through in exhaust gas useless
When gas air inlet pipe, in exhaust inlet pipe column spongy layer in exhaust gas steam and nitric acid adsorb, in such exhaust gas
Corrosive substance be discharged；
Two, exhaust gas enters in bolt coil pipe, and by the pore on spiral coil enter in reacting tank body with a large amount of oxygen
Gas, which liquidates, to react, and makes the conversion of nitric oxide gas in exhaust gas at nitrogen dioxide；
Three, exhaust gas carries a large amount of air and enters processing tank body, due to, there are a large amount of water, passing through stirring in process tank body
Mode reacts the nitrogen dioxide in exhaust gas with water completely, in this way excludes the nitrogen dioxide in exhaust gas；
Four, the water inlet of water inlet pipe and outlet pipe and discharging water realizes that the intracorporal water of reactor tank recycles, and so intracorporal water of reactor tank is not
Can reach saturation without being reacted with nitrogen dioxide, while exhaust gas from exhaust emission tube exclude when need by PH count detection inspection
Whether the water surveyed in ware is acidity, and when for acidity, closed shutter increases the reaction time.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811371367.9A CN109395561A (en) | 2018-11-18 | 2018-11-18 | A kind of crystal seed tail gas treatment device and processing method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811371367.9A CN109395561A (en) | 2018-11-18 | 2018-11-18 | A kind of crystal seed tail gas treatment device and processing method |
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| CN201811371367.9A Pending CN109395561A (en) | 2018-11-18 | 2018-11-18 | A kind of crystal seed tail gas treatment device and processing method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110124414A (en) * | 2019-04-15 | 2019-08-16 | 柳保来 | Boiler, kiln exhaust gas treating device |
| CN110448987A (en) * | 2019-09-03 | 2019-11-15 | 安徽徽天标准件制造有限公司 | A kind of antipollution plasma cutting machines dust-extraction unit of environmental protection |
| CN110545624A (en) * | 2019-10-12 | 2019-12-06 | 沈雪峰 | Etching machine upper cover device for circuit board etching |
| CN114308992A (en) * | 2021-11-26 | 2022-04-12 | 西安航天发动机有限公司 | Totally-enclosed integrated intelligent kitchen waste treatment tank and treatment process |
| CN114887575A (en) * | 2022-06-23 | 2022-08-12 | 宁夏润夏能源化工有限公司 | Heat recovery energy-saving nitric acid apparatus for producing based on liquid ammonia |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110124414A (en) * | 2019-04-15 | 2019-08-16 | 柳保来 | Boiler, kiln exhaust gas treating device |
| CN110448987A (en) * | 2019-09-03 | 2019-11-15 | 安徽徽天标准件制造有限公司 | A kind of antipollution plasma cutting machines dust-extraction unit of environmental protection |
| CN110545624A (en) * | 2019-10-12 | 2019-12-06 | 沈雪峰 | Etching machine upper cover device for circuit board etching |
| CN110545624B (en) * | 2019-10-12 | 2021-02-12 | 中山市宝悦嘉电子有限公司 | Etching machine upper cover device for circuit board etching |
| CN114308992A (en) * | 2021-11-26 | 2022-04-12 | 西安航天发动机有限公司 | Totally-enclosed integrated intelligent kitchen waste treatment tank and treatment process |
| CN114887575A (en) * | 2022-06-23 | 2022-08-12 | 宁夏润夏能源化工有限公司 | Heat recovery energy-saving nitric acid apparatus for producing based on liquid ammonia |
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Application publication date: 20190301 |
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| RJ01 | Rejection of invention patent application after publication |