CN109966906A - A kind of recycle device and application method of constructing tunnel pernicious gas - Google Patents
A kind of recycle device and application method of constructing tunnel pernicious gas Download PDFInfo
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- CN109966906A CN109966906A CN201910340425.XA CN201910340425A CN109966906A CN 109966906 A CN109966906 A CN 109966906A CN 201910340425 A CN201910340425 A CN 201910340425A CN 109966906 A CN109966906 A CN 109966906A
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- reaction flask
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/02—Separating dispersed particles from gases, air or vapours by liquid as separating agent by passing the gas or air or vapour over or through a liquid bath
- B01D47/021—Separating dispersed particles from gases, air or vapours by liquid as separating agent by passing the gas or air or vapour over or through a liquid bath by bubbling the gas through a liquid bath
-
- 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
- B01D53/04—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 with stationary adsorbents
-
- 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
- B01D53/26—Drying gases or vapours
- B01D53/263—Drying gases or vapours by absorption
-
- 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
-
- 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
- B01D53/48—Sulfur compounds
- B01D53/50—Sulfur oxides
-
- 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
-
- 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
- B01D53/62—Carbon oxides
-
- 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
- B01D53/79—Injecting reactants
-
- 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
- B01D53/81—Solid phase processes
- B01D53/82—Solid phase processes with stationary reactants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/30—Alkali metal compounds
- B01D2251/304—Alkali metal compounds of sodium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/60—Inorganic bases or salts
- B01D2251/604—Hydroxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2252/00—Absorbents, i.e. solvents and liquid materials for gas absorption
- B01D2252/10—Inorganic absorbents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/80—Water
Abstract
The invention discloses the recycle devices and application method of a kind of constructing tunnel pernicious gas, by being provided with exhaust fan on cart, exhaust fan rear end is provided with several reaction flasks and gas collector, while making the present apparatus that tunnel environment action can be overcome to be limited, pernicious gas in tunnel can be absorbed again, and has also achieved the purpose of raw material of industry Gas recovery.The present apparatus has many advantages, such as that toxic gas transport distance is short, ventilation time is short, work efficiency is high, use cost is low, device is simple, action is convenient, resource recoverable.
Description
Technical field
The invention belongs to constructing tunnel fields, and in particular to a kind of recycle device of constructing tunnel pernicious gas and make
Use method.
Background technique
The toxic gas generated in the flue dust that explosive generates when tunnel, mine working Blasting Excavation is to evaluate its security level
Important indicator, explosive charge product mainly has CO, NO2, NO, sulfide, dust.CO is formed easily in conjunction with hemoglobin
Carbonyl haemoglobin makes hemoglobin lose the ability and effect of oxygen carrying, tissue is caused to suffocate, dead when serious.CO is to complete
The toxic effect of the histocyte of body, it is especially the most serious on corticocerebral influence.CO has combustibility simultaneously, is a kind of
Industrial reduction agent can be recycled and be used for industrial metal smelting and industrial fuel.
S0 in atmosphere2Concentration has potential impact to human body in 0.5ppm or more；In 1~3ppm, majority start to feel
Stimulation；People will appear ulcer and pulmonary edema until death by suffocation when 400~500ppm.Sulfur dioxide has with the flue dust in atmosphere
Synergistic effect.As S0 in atmosphere2Concentration is 0.21ppm, and dust concentration is greater than 0.3mg/L, and respiratory disease disease incidence can be made to increase
The state of an illness of height, chronic deteriorates rapidly.Hydrogen sulfide (H2It S) is a kind of colourless gas for having rotten-egg odour, it is soluble easily in water,
There is intense stimulus effect to ocular delivery and respiratory tract, can seriously make conjunctival congestion, lung's dry rale.
Toxic gas, the dust of tunnel blasting excavation generation, excavator are toxic with the engine exhaust of large-scale slag waggon
Gas seriously endangers the life and health of construction personnel.Fresh air is sent by ventilation duct and is tunneled by existing major long tunnel
Working face, the wind pressure that the toxic gas after dilution is provided by blower take pernicious gas out of tunnel, and ventilation time is too long, imitates
Rate is low.Since the long range tunnel less than 300m short distance and big 3000m can not be discharged in the increase of major long tunnel ventilation resistance in time
Road pernicious gas and the requirement for meeting construction.As urban transportation builds ground tremendous development, major long tunnel needs more and more
Construction proposes increasingly higher demands for construction environment, air quality, and existing method of ventilation has been unable to meet in construction
Requirement.
Summary of the invention
The purpose of the present invention is to overcome the above shortcomings and to provide a kind of recycle device of constructing tunnel pernicious gas and
Application method, to overcome the shortcomings that existing major long tunnel drafting efficiency is low, the time is long, the at high cost, wasting of resources.
In order to achieve the above object, a kind of recycle device of constructing tunnel pernicious gas, including the first exhaust fan and
Second exhaust fan, the first exhaust fan and the second exhaust fan and rear end are disposed with several reaction flasks, the air inlet of the first exhaust fan
It is provided with the first hurricane globe on mouthful, the second hurricane globe is provided on the air inlet of the second exhaust fan, the first exhaust fan and second are taken out
The gas of the discharge of working off one's feeling vent one's spleen of blower is successively passed through in the reaction flask at rear, and the gas outlet of end reaction bottle is provided with gas
Body collection device, if being liquid in reaction flask, air inlet end is placed in liquid, and outlet side is placed in outside liquid, if being in reaction flask
Solid, then air inlet end is lower than outlet side.
First exhaust fan and the second exhaust fan and rear end are disposed with the first reaction flask, the second reaction flask and third reaction
Bottle is connected between the first reaction flask and the second reaction flask by the first connecting tube, by the between the second reaction flask and third reaction flask
Two connecting tubes connect, and the gas after cleaning in the first reaction flask is passed through in the liquid of the second reaction flask, clean in the second reaction flask
Gas afterwards is passed through in the powder of third reaction flask, and the gas outlet of third reaction flask is provided with gas collector.
It is alkaline reagent in first reaction flask and the second reaction flask, third reaction flask is provided with sodium powder, the first connecting tube
It is inside filled with active carbon powder, soda lime powder is filled in the second connecting tube.
First windproof cover opening 45 degree of settings obliquely, the opening up setting of the second hurricane globe.
Gas collector uses air bag.
First exhaust fan and the second exhaust fan are placed on cart.
Cart uses crawler type cart.
A kind of application method of the recycle device of constructing tunnel pernicious gas, comprising the following steps:
First exhaust fan and the second exhaust fan are placed in operating position by step 1；
Step 2 opens the first exhaust fan and the second exhaust fan, the first exhaust fan and the second exhaust fan for constructing tunnel mistake
The pernicious gas that journey generates is sent into reaction flask；
After cleaning and absorption that pernicious gas passes through several reaction flasks, final residual gas is received by gas for step 3
Acquisition means are collected.
First exhaust fan and the second exhaust fan and rear end are disposed with the first reaction flask, the second reaction flask and third reaction
Bottle is connected between the first reaction flask and the second reaction flask by the first connecting tube, by the between the second reaction flask and third reaction flask
The connection of two connecting tubes, is alkaline reagent in the first reaction flask and the second reaction flask, and third reaction flask is provided with sodium powder, and first
It is filled with active carbon powder in connecting tube, soda lime powder is filled in the second connecting tube；
NO, NO in alkaline solution absorption pernicious gas in first reaction flask2And CO2, sulfide and dust, first connects
Active carbon powder in adapter tube adsorbs the formaldehyde in pernicious gas, in the alkaline solution absorption pernicious gas in the second reaction flask
Remaining NO, NO2And CO2, the soda lime powder in the second connecting tube absorbs the moisture in pernicious gas, in third reaction flask
Sodium powder absorb pernicious gas in O2, and remaining CO gas is sent into air bag and is collected.
In step 1, the first exhaust fan, the second exhaust fan, the first reaction flask, the second reaction flask and third reaction flask are set
In on cart；
Cart is pushed into operating position.
Compared with prior art, recycle device of the invention is provided with exhaust fan, and exhaust fan rear end is provided with several
Reaction flask and gas collector are filled with the present apparatus by acquisition and separate with recyclable device, can overcome tunnel environment action by
While limit, and pernicious gas in tunnel can be absorbed, and have also achieved the purpose of raw material of industry Gas recovery.This
Device is with toxic gas transport distance is short, ventilation time is short, work efficiency is high, use cost is low, device is simple, action side
Just, the advantages that resource recoverable.
Working method of the invention is that cart is placed in operating position, and the first exhaust fan and the second exhaust fan are by constructing tunnel
The pernicious gas that process generates is sent into reaction flask, will be final remaining after cleaning and absorption that pernicious gas passes through several reaction flasks
Gas is collected by gas collector, is able to solve the ineffective problem of major long tunnel construction ventilation, is reached simultaneously
The purpose of pernicious gas resource recycling, this method is with toxic gas transport distance is short, ventilation time is short, working efficiency
High, the advantages that use cost is low, device is simple, resource recoverable, it is possible to prevente effectively from pernicious gas pair in constructing tunnel
The harm of human life safety.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is work flow diagram of the invention；
Wherein, the 1, first hurricane globe；2, the first exhaust fan；3, the second hurricane globe；4, the second exhaust fan；11, the first reaction
Bottle；14, the first connecting tube；17, the second reaction flask；20, the second connecting tube；23, third reaction flask；25, gas collector；
26, cart.
Specific embodiment
The present invention will be further described with reference to the accompanying drawing.
Referring to Fig. 1, a kind of recycle device of constructing tunnel pernicious gas, including cart 26,26 upper surface of cart
Front end is provided with the first exhaust fan 2 and the second exhaust fan 4, and the first exhaust fan 2 and the second exhaust fan 4 and rear end are disposed with
Several reaction flasks are provided with the first hurricane globe 1 on the air inlet of the first exhaust fan 2, are arranged on the air inlet of the second exhaust fan 4
There are the second hurricane globe 3, the 45 degree of settings obliquely of the first hurricane globe 1 opening, the opening up setting of the second hurricane globe 3, the first exhausting
The gas of the discharge of working off one's feeling vent one's spleen of machine 2 and the second exhaust fan 4 is successively passed through in the reaction flask at rear, and the gas of end reaction bottle goes out
It is provided with gas collector 25 at mouthful, if being liquid in reaction flask, air inlet end is placed in liquid, and outlet side is placed in liquid
Outside, if in reaction flask being solid, air inlet end is lower than outlet side.
Preferably, the first exhaust fan 2 and the second exhaust fan 4 and rear end are disposed with the reaction of the first reaction flask 11, second
Bottle 17 and third reaction flask 23 are connected between first reaction flask 11 and the second reaction flask 17 by the first connecting tube 14, the second reaction
It is connected between bottle 17 and third reaction flask 23 by the second connecting tube 20, the gas after cleaning in the first reaction flask 11 is passed through second
In the liquid of reaction flask 17, the gas after cleaning in the second reaction flask 17 is passed through in the powder of third reaction flask 23, third reaction
The gas outlet of bottle 23 is provided with gas collector 25, is alkaline examination in the first reaction flask 11 and the second reaction flask 17
Agent, third reaction flask 23 are provided with sodium powder, and active carbon powder, filling in the second connecting tube 20 are filled in the first connecting tube 14
There is soda lime powder.
Preferably, gas collector 25 uses air bag, and cart 26 uses crawler type cart.
Referring to fig. 2, a kind of application method of the recycle device of constructing tunnel pernicious gas, comprising the following steps:
Step 1 pushes cart 26 to be placed in operating position；
Step 2, opens the first exhaust fan 2 and the second exhaust fan 4, the first exhaust fan 2 and the second exhaust fan 4 apply tunnel
The pernicious gas that work process generates is sent into reaction flask, the NO in alkaline solution absorption pernicious gas in the first reaction flask 11,
NO2And CO2, sulfide and dust, the formaldehyde in active carbon powder absorption pernicious gas in the first connecting tube 14, the second reaction
Remaining NO, NO in alkaline solution absorption pernicious gas in bottle 172And CO2, soda lime powder in the second connecting tube 20
The moisture in pernicious gas is absorbed, the sodium powder in third reaction flask 23 absorbs the O in pernicious gas2；
After cleaning and absorption that pernicious gas passes through several reaction flasks, final residual gas is received by gas for step 3
Acquisition means 25 are collected.
First exhaust fan 1 and the second exhaust fan 2 are centrifugal exhauster.
Alkaline solution is sodium hydroxide solution, solution concentration 20%-30%, preferably 25%.
Gas in gas collector 25 is CO and N actually2Mixed gas, it is contemplated that when CO excessive concentration, prevent
Worker is exploded because mixing with air when careless manipulation stores gas, so nitrogen does not remove, but using nitrogen as guarantor
Protect gas.
Claims (10)
1. a kind of recycle device of constructing tunnel pernicious gas, which is characterized in that taken out including the first exhaust fan (2) and second
Blower (4), the first exhaust fan (2) and the second exhaust fan (4) and rear end are disposed with several reaction flasks, the first exhaust fan (2)
Air inlet on be provided with the first hurricane globe (1), be provided on the air inlet of the second exhaust fan (4) the second hurricane globe (3), first
The gas of the discharge of working off one's feeling vent one's spleen of exhaust fan (2) and the second exhaust fan (4) is successively passed through in the reaction flask at rear, end reaction bottle
Gas outlet is provided with gas collector (25), if being liquid in reaction flask, air inlet end is placed in liquid, and outlet side is set
In outside liquid, if in reaction flask being solid, air inlet end is lower than outlet side.
2. a kind of recycle device of constructing tunnel pernicious gas according to claim 1, which is characterized in that first takes out
Blower (2) and the second exhaust fan (4) and rear end are disposed with the first reaction flask (11), the second reaction flask (17) and third reaction
Bottle (23) is connected between the first reaction flask (11) and the second reaction flask (17) by the first connecting tube (14), the second reaction flask (17)
It is connected between third reaction flask (23) by the second connecting tube (20), the gas in the first reaction flask (11) after cleaning is passed through second
In the liquid of reaction flask (17), the gas in the second reaction flask (17) after cleaning is passed through in the powder of third reaction flask (23), the
The gas outlet of three reaction flasks (23) is provided with gas collector (25).
3. a kind of recycle device of constructing tunnel pernicious gas according to claim 2, which is characterized in that first is anti-
Answering in bottle (11) and the second reaction flask (17) is alkaline reagent, and third reaction flask (23) is provided with sodium powder, the first connecting tube
(14) it is filled with active carbon powder in, is filled with soda lime powder in the second connecting tube (20).
4. a kind of recycle device of constructing tunnel pernicious gas according to claim 1, which is characterized in that first is anti-
The 45 degree of settings obliquely of fan housing (1) opening, the second hurricane globe (3) opening up setting.
5. a kind of recycle device of constructing tunnel pernicious gas according to claim 1, which is characterized in that gas is received
Acquisition means (25) use air bag.
6. a kind of recycle device of constructing tunnel pernicious gas according to claim 1, which is characterized in that first takes out
Blower (2) and the second exhaust fan (4) are placed on cart (26).
7. a kind of recycle device of constructing tunnel pernicious gas according to claim 6, which is characterized in that cart
(26) crawler type cart is used.
8. a kind of application method of the recycle device of constructing tunnel pernicious gas described in claim 1, which is characterized in that
The following steps are included:
First exhaust fan (2) and the second exhaust fan (4) are placed in operating position by step 1；
Step 2 opens the first exhaust fan (2) and the second exhaust fan (4), the first exhaust fan (2) and the second exhaust fan (4) for tunnel
The pernicious gas that road work progress generates is sent into reaction flask；
After cleaning and absorption that pernicious gas passes through several reaction flasks, final residual gas is filled by gas collection for step 3
(25) are set to be collected.
9. a kind of application method of the recycle device of constructing tunnel pernicious gas according to claim 8, feature
It is, the first exhaust fan (2) and the second exhaust fan (4) and rear end are disposed with the first reaction flask (11), the second reaction flask
(17) and third reaction flask (23) it, is connected between the first reaction flask (11) and the second reaction flask (17) by the first connecting tube (14),
It is connected between second reaction flask (17) and third reaction flask (23) by the second connecting tube (20), the first reaction flask (11) and second is instead
Answering is alkaline reagent in bottle (17), and third reaction flask (23) is provided with sodium powder, is filled with active carbon in the first connecting tube (14)
Powder, the second connecting tube (20) is interior to be filled with soda lime powder；
NO, NO in alkaline solution absorption pernicious gas in first reaction flask (11)2And CO2, sulfide and dust, first connects
The formaldehyde in the active carbon powder absorption pernicious gas in (14) is taken over, the alkaline solution in the second reaction flask (17) adsorbs harmful
Remaining NO, NO in gas2And CO2, the soda lime powder in the second connecting tube (20) absorbs the moisture in pernicious gas, the
Sodium powder in three reaction flasks (23) absorbs the O in pernicious gas2, and remaining CO gas is sent into air bag and is collected.
10. a kind of application method of the recycle device of constructing tunnel pernicious gas according to claim 8, feature
It is, in step 1, the first exhaust fan (2), the second exhaust fan (4), the first reaction flask (11), the second reaction flask (17) and third
Reaction flask (23) is placed on cart (26)；
Cart (26) are pushed into operating position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910340425.XA CN109966906A (en) | 2019-04-25 | 2019-04-25 | A kind of recycle device and application method of constructing tunnel pernicious gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910340425.XA CN109966906A (en) | 2019-04-25 | 2019-04-25 | A kind of recycle device and application method of constructing tunnel pernicious gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109966906A true CN109966906A (en) | 2019-07-05 |
Family
ID=67086470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910340425.XA Pending CN109966906A (en) | 2019-04-25 | 2019-04-25 | A kind of recycle device and application method of constructing tunnel pernicious gas |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10323540A (en) * | 1997-05-26 | 1998-12-08 | Kurimoto Ltd | Waste gas treating device |
| CN2928875Y (en) * | 2006-06-02 | 2007-08-01 | 包荣初 | Hydrogen generator device |
| CN102434183A (en) * | 2011-11-03 | 2012-05-02 | 谢飞鸿 | Air purifier for clearing away harmful gases and dust for long tunneling working surface |
| CN102505952A (en) * | 2011-11-03 | 2012-06-20 | 谢飞鸿 | Method for clearing harmful gas and dust in long tunnel |
| CN106431339A (en) * | 2016-09-29 | 2017-02-22 | 蒋文兰 | Cylindrical activated carbon light porous ceramsite with function of purifying air |
| CN206701004U (en) * | 2017-03-16 | 2017-12-05 | 广州昕曦冶金设备科技有限公司 | A kind of tunnel cave dust pelletizing system |
| CN109000998A (en) * | 2018-09-04 | 2018-12-14 | 株洲时代新材料科技股份有限公司 | A kind of material at high temperature decomposes poison gas collection device and method |
| CN209865757U (en) * | 2019-04-25 | 2019-12-31 | 西安建筑科技大学 | Recycling device for harmful gas in tunnel construction |
-
2019
- 2019-04-25 CN CN201910340425.XA patent/CN109966906A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10323540A (en) * | 1997-05-26 | 1998-12-08 | Kurimoto Ltd | Waste gas treating device |
| CN2928875Y (en) * | 2006-06-02 | 2007-08-01 | 包荣初 | Hydrogen generator device |
| CN102434183A (en) * | 2011-11-03 | 2012-05-02 | 谢飞鸿 | Air purifier for clearing away harmful gases and dust for long tunneling working surface |
| CN102505952A (en) * | 2011-11-03 | 2012-06-20 | 谢飞鸿 | Method for clearing harmful gas and dust in long tunnel |
| CN106431339A (en) * | 2016-09-29 | 2017-02-22 | 蒋文兰 | Cylindrical activated carbon light porous ceramsite with function of purifying air |
| CN206701004U (en) * | 2017-03-16 | 2017-12-05 | 广州昕曦冶金设备科技有限公司 | A kind of tunnel cave dust pelletizing system |
| CN109000998A (en) * | 2018-09-04 | 2018-12-14 | 株洲时代新材料科技股份有限公司 | A kind of material at high temperature decomposes poison gas collection device and method |
| CN209865757U (en) * | 2019-04-25 | 2019-12-31 | 西安建筑科技大学 | Recycling device for harmful gas in tunnel construction |
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