CN209295148U - A kind of sulfuric acid production plant driving temperature elevation system - Google Patents
A kind of sulfuric acid production plant driving temperature elevation system Download PDFInfo
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- CN209295148U CN209295148U CN201821724938.8U CN201821724938U CN209295148U CN 209295148 U CN209295148 U CN 209295148U CN 201821724938 U CN201821724938 U CN 201821724938U CN 209295148 U CN209295148 U CN 209295148U
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Abstract
The utility model provides a kind of sulfuric acid production plant driving temperature elevation system, including gas supply system and ignition system；Gas supply system includes booster, transport vehicle, storage tank, gasifier, type electric-heating water-bathing type vaporizer；Booster connection transportation vehicle, transport vehicle connect storage tank, and storage tank includes liquid-phase outlet valve, from pressure charging system；Liquid-phase outlet valve connects gasifier；Air-heating type gasifier connects type electric-heating water-bathing type vaporizer；Type electric-heating water-bathing type vaporizer connects pressure regulator, and pressure regulator connects ignition system；Ignition system includes control cabinet, main air gun, burning torch, bellows；Air-introduced machine is equipped at the air inlet of bellows bottom part body；Burner hearth is burned in the mouth connection of lighting of bellows main body；The side connecting line III of main air gun, the other side penetrate into burning burner hearth；The spark lever of burning torch, which penetrates into, to be burned in burner hearth, and spark lever is located at the lower part of main air gun, is burned roof of the furnace and is equipped with fire inspection device.The utility model has the advantages that being conducive to protect environment, pollution is reduced, is economized on resources.
Description
Technical field
The utility model belongs to gas washing in SA production field, more particularly, to a kind of sulfuric acid production plant driving temperature elevation system.
Background technique
Sulfuric acid production system is currently to be heated up by oil gun burning diesel oil, and diesel oil is transported to oil nozzle by pump, through oil nozzle
It is atomized after-combustion.There are the following problems for this heating mode, first is that diesel combustion less clean and environmental protection, second is that not filled in the presence of burning
Point, waste of resource, third is that burning, which generates black smoke, has damage to catalyst.
In view of the above-mentioned problems, the new sulfuric acid production system of one kind need to be developed to solve the above problems.
Natural gas is gas at normal temperatures and pressures, under pressure or is chilled to certain temperature and can be turned to by gas
Liquid is easy to transport.LNG (Liquefied Natural Gas) is the english abbreviation of liquefied natural gas.Liquefaction process are as follows: liquid
Changing natural gas is just to form liquid by gaseous natural gas purification processing under normal pressure, then through the liquefaction of ultralow temperature (- 162 DEG C) normal pressure
Change natural gas.Storage and transportation space can be greatlyd save after natural gas liquefaction, and has the characteristics that calorific value is big, performance is high.
Liquefied natural gas has a characteristic that as clean energy resource
1) colourless, tasteless, nontoxic and non-corrosive.
2) natural gas of liquefied natural gas volume ratio homogenous quantities is 624 times small.
3) LNG storage is high-efficient, and land occupation is few.It is with low investment, 10m3LNG storage amount is just for 10,000 families
1 day gas for domestic use of resident.
4) liquefied natural gas is compared with gasoline, it has, and octane number is high, the capability of antidetonance is good, engine life is long.Fuel cost
With low.The advantages that good environmental protection.HC in gasoline automobile tail gas can be reduced by 72%, NOx and reduce 39%, CO reduction 90% by it,
SOx, Pb are reduced to zero.
5) liquefied natural gas vaporization latent heat is high, the cooling capacity recoverable in liquefaction process.
6) due to after liquefied natural gas vaporization density it is very low, the only half or so of air is slightly leaked and is dispersed out immediately
Come, will not set off an explosion.
7) since natural gas liquid is purer, burning completely, generates carbon dioxide and water, so it is fine after burning
Clean fuel, be conducive to protect environment, reduce municipal pollution.
Utility model content
To solve the above-mentioned problems, the utility model, which provides, a kind of replaces diesel oil using liquefied natural gas to heat up, rise
A kind of sulfuric acid production plant driving temperature elevation system of black smoke will not be generated during temperature when clean and environmental protection, burning.
To achieve the goals above, the utility model provides the following technical solutions:
A kind of sulfuric acid production plant driving temperature elevation system, including gas supply system and ignition system；
The gas supply system includes booster, transport vehicle, storage tank, gasifier, type electric-heating water-bathing type vaporizer；
The booster is provided with liquefied natural gas by I connection transportation vehicle of pipeline, the transport vehicle, natural using liquefaction
Gas unload booster make transport interior pressure increase, the transport vehicle by pipeline II connect storage tank, by liquid in the transport vehicle
Change natural gas to send by pipeline II to storing in LNG cold storage tank.The storage tank includes liquid-phase outlet valve, is pressurized certainly
System；The liquid-phase outlet valve connects gasifier by pipeline III；By the storage tank from pressure charging system, make the storage tank pressure
Power increases, and then opens the storage tank liquid-phase outlet valve, liquefied natural gas is made to drain into gasifier outside the storage tank；
Wherein, the transport vehicle is tank car；
Wherein, the gasifier is air-heating type gasifier；
The air-heating type gasifier connects type electric-heating water-bathing type vaporizer by pipeline I；The type electric-heating water-bathing type vaporizer is logical
It crosses pipeline II and connects pressure regulator, the pressure regulator connects ignition system by pipeline III；
Wherein, the type electric-heating water-bathing type vaporizer outer layer is surrounded by auxiliary heating layer；
The auxiliary heating layer is provided with water；The water heated inside it in auxiliary heating layer is arranged in heater, described to add
Hot device assists the switch I outside heating layer by connection；
Wherein, branch pipeline I, solenoid valve are successively arranged from type electric-heating water-bathing type vaporizer to pressure regulator direction on the pipeline II
I and pressure sensor I；The solenoid valve I, pressure regulator, pressure sensor I, which are powered, connects control cabinet；The one of the branch pipeline I
Hold II other end connecting line I of connecting line；
Wherein, the branch pipeline I is equipped with solenoid valve II；The solenoid valve II connects control cabinet；
Wherein, surge tank is additionally provided between the pressure regulator and ignition system, the pressure regulator is slow by the connection of pipeline III
Tank is rushed, the surge tank connects ignition system by pipeline III, and the pipeline III between the surge tank and ignition system is equipped with
Pressure sensor II and solenoid valve III, the pressure sensor II and solenoid valve III connect control cabinet；
The ignition system includes control cabinet, main air gun, burning torch, bellows；
The bellows include bellows main body, air inlet, light mouth；
The bottom of the bellows main body is air inlet, is equipped with air-introduced machine at the air inlet；
The side of the bellows main body is equipped with lighting-up tuyere, air inlet；
The other side of the bellows main body is to light mouth, described to light mouth connection burning burner hearth；
The side connecting line III of the main air gun, the air inlet crossing point of the other side of the main air gun from bellows main body
Combustion mouth penetrates into burning burner hearth；
The spark lever of the burning torch is passed through from the lighting-up tuyere of bellows main body, is penetrated into the burning burner hearth, the point
Picker bar is located at the lower part of main air gun, conveniently lights the gas exported from the main air gun；
Wherein, the burning torch is equipped with switch II, and the switch II connects control cabinet；
Wherein, the burning roof of the furnace is equipped with fiery inspection device, and the fire inspection device, which is powered, connects control cabinet.
Specific operation process are as follows: liquefied natural gas is transported to gasification station by the transport vehicle, is unloaded institute using liquefied natural gas
It states booster and makes to transport interior pressure and increase, liquefied natural gas in the transport vehicle is sent to storing up in LNG cold storage tank
It deposits.When from storage tank outlet described in liquefied natural gas, first pass through the storage tank from pressure charging system, make the pressure of storage tank liter
Then height opens the storage tank liquid-phase outlet valve, sent the liquefied natural gas in the storage tank to gasifier by pressure difference.When
Outdoor environment temperature is higher, when the fuel gas temperature of the air-heating type gasifier outlet is higher than 5 DEG C, directly passes through the control cabinet control
It makes and opens the solenoid valve II in branch pipeline I and solenoid valve I；When outdoor environment temperature is lower, the air-heating type gasifier is exported
Fuel gas temperature be lower than 5 DEG C when, need to the air-heating type gasifier export series connection type electric-heating water-bathing type vaporizer, to the day after gasification
Right gas is heated, and operating method is to close the solenoid valve II, only opens the solenoid valve I, then the combustion gas after gasifying enters
To the type electric-heating water-bathing type vaporizer, the switch I is opened, the heater plays the combustion gas in type electric-heating water-bathing type vaporizer
The effect of heating is assisted, the pressure sensor I uploads pressure to control cabinet in real time, and the control cabinet is according to actual pressure, control
The pressure regulator is made further for gaseous-pressure tune 30KPa-50KPa, and the surge tank is passed through in combustion gas, and the surge tank plays slow
The pressure oscillation of flushing system makes more stable, the II real-time measurement gaseous-pressure of pressure sensor of system work.The pipeline III
By the burning torch of fuel gas transmission to ignition system to burning burner hearth.The control cabinet controls main air gun and lights a fire.In burning
In the process, the air-introduced machine is sent into required air into burner hearth, and the fire inspection device is according to the combustion characteristics of flame to burner
Condition is measured in real time, once flame combustion state be unsatisfactory for normal condition or it is flame-out when, by certain way to the control cabinet
It sends signal to stop gas supply or re-start igniting by the switch II on control cabinet control burning torch, guarantee in the burning burner hearth
Fuel gas buring completely, guarantee boiler extinguishment when stop fuel supply.Since liquefied natural gas is good clean fuel, so
Black smoke will not be generated, the controller can be automatically controled the solenoid valve of burning torch and gas supply, the fire inspection device energy real-time detection combustion
Operating condition is burnt, so so there is no insufficient problems of burning.
The utility model has the following beneficial effects: the utility model replaces oil gun burning diesel oil to rise using liquefied natural gas
Temperature, required air is sent into from air-introduced machine into burner hearth, and fire inspection device carries out combustion conditions according to the combustion characteristics of flame real-time
Detection, once flame combustion state be unsatisfactory for normal condition or it is flame-out when, by certain way to control cabinet send signal stop confession
Gas re-starts igniting by the switch II on control cabinet control burning torch, guarantees that the fuel gas buring in burning burner hearth is complete, protects
Stop fuel supply when demonstrate,proving boiler extinguishment.Since liquefied natural gas is good clean fuel, so black smoke will not be generated, control
Device can be automatically controled the solenoid valve of burning torch and gas supply, fire inspection device energy real-time detection combustion conditions, so so there is no combustions
Burn insufficient problem.The utility model be provided with two pipelines, make the heating of natural gas selectivity, when outdoor environment temperature compared with
Height is directly controlled by the control cabinet and opens the solenoid valve II in branch pipeline I and solenoid valve I；When outdoor environment temperature compared with
Low, when the fuel gas temperature of the air-heating type gasifier outlet is lower than 5 DEG C, the heater is to the combustion in type electric-heating water-bathing type vaporizer
Gas plays the effect of auxiliary heating, and such heater need not be kept it turned in real time, has saved the energy, and can ensure natural gas
The problem of.The utility model is conducive to protect environment, reduces the effect of municipal pollution.
Detailed description of the invention
Fig. 1: for the utility model sulfuric acid production plant driving temperature elevation system schematic diagram；
Fig. 2: for the utility model ignition system schematic diagram；
In figure:
1, feed system 2, ignition system 3, booster
4, transport vehicle 5, storage tank 6, gasifier
7, type electric-heating water-bathing type vaporizer 5-1, outlet valve 5-2, from pressure charging system
8, pipeline I 9, pipeline II 10, pressure regulator
7-1, auxiliary heating layer 7-2, heater 7-3, switch I
9-1, I 9-2 of branch pipeline, I 9-3 of solenoid valve, pressure sensor I
9-1-1, solenoid valve II 11, control cabinet 12, pipeline III
13, pressure sensor II 14, solenoid valve III 15, surge tank
2-1, main air gun 2-2, burning torch 2-3, bellows
2-3-1, bellows main body 2-3-2, air inlet 2-3-3, mouth is lighted
16, air-introduced machine 2-3-1-1, lighting-up tuyere 2-3-1-2, air inlet
17, burner hearth 2-2-1, spark lever 2-2-2, switch II are burned
18, fire inspection device
Specific embodiment
Combined with specific embodiments below, the technical solution of the utility model is further described.
A kind of sulfuric acid production plant driving temperature elevation system of the present embodiment, including gas supply system 1 and ignition system 2；Institute
Stating gas supply system 1 includes booster 3, transport vehicle 4, storage tank 5, gasifier 6, type electric-heating water-bathing type vaporizer 7；The booster
3 by I connection transportation vehicle 4 of pipeline, and the transport vehicle 4 is provided with liquefied natural gas, is unloaded booster 3 using liquefied natural gas
Increase pressure in transport vehicle 4, the transport vehicle 4 connects storage tank 5 by pipeline II, by liquefied natural gas in the transport vehicle 4
It is sent by pipeline II to storing in LNG cold storage tank 5.The storage tank 5 includes liquid-phase outlet valve 5-1, from pressure charging system
5-2；The liquid-phase outlet valve 5-1 connects gasifier 6 by pipeline III；By the storage tank 5 from pressure charging system 5-2, make institute
5 pressure rise of storage tank is stated, the 5 liquid-phase outlet valve 5-1 of storage tank is then opened, drains into liquefied natural gas outside the storage tank 5
Gasifier 6；
Wherein, the transport vehicle 4 is tank car；
Wherein, the gasifier 6 is air-heating type gasifier 6；
The air-heating type gasifier 6 connects type electric-heating water-bathing type vaporizer 7 by pipeline I 8；The type electric-heating water-bathing type vaporizer
7 connect pressure regulator 10 by pipeline II 9, and the pressure regulator 10 connects ignition system 2 by pipeline III 12；
Wherein, 7 outer layer of type electric-heating water-bathing type vaporizer is surrounded by auxiliary heating layer 7-1；
The auxiliary heating layer 7-1 is provided with water；Heater 7-2, which is arranged in auxiliary heating layer 7-1, to be heated inside it
Water, the heater 7-2 assist I 7-3 of switch outside heating layer 7-1 by connection；
The heater 7-2 plays the effect of auxiliary heating to the combustion gas in type electric-heating water-bathing type vaporizer 7.
Wherein, I 9- of branch pipeline is successively arranged from type electric-heating water-bathing type vaporizer 7 to 10 direction of pressure regulator on the pipeline II 9
1, I 9-3 of I 9-2 of solenoid valve and pressure sensor；I 9-2 of solenoid valve, pressure regulator 10, I 9-3 of pressure sensor are powered connection
Control cabinet 11；II 9 other end connecting line I 8 of one end connecting line of I 9-1 of branch pipeline；
I 9-3 of pressure sensor uploads pressure to control cabinet 11 in real time, and the control cabinet 11 is according to actual pressure, control
The pressure regulator 10 is made further for gaseous-pressure tune 30KPa-50KPa；
Wherein, I 9-1 of branch pipeline is equipped with II 9-1-1 of solenoid valve；The II 9-1-1 connection control cabinet 11 of solenoid valve；
When outdoor environment temperature is higher, and the fuel gas temperature that the air-heating type gasifier 6 exports is higher than 5 DEG C, directly pass through
The control cabinet 11 controls and opens I 9-2 of II 9-1-1 of solenoid valve and solenoid valve on I 9-1 of branch pipeline；Work as outdoor environment temperature
It is lower, when the natural gas temperature that the air-heating type gasifier 6 exports is lower than 5 DEG C, it need to export and connect in the air-heating type gasifier 6
Type electric-heating water-bathing type vaporizer 7 heats the natural gas after gasification, and operating method is to close II 9-1-1 of solenoid valve, only
I 9-2 of solenoid valve is opened, then the natural gas after gasifying enters the type electric-heating water-bathing type vaporizer 7.
Wherein, surge tank 15 is additionally provided between the pressure regulator 10 and ignition system 2, the pressure regulator 10 passes through pipeline
III 12 connection surge tanks 15, the surge tank 15 connect ignition system 2, the surge tank 15 and ignition system by pipeline III 12
Pipeline III 12 between 2 is equipped with pressure sensor II 13 and solenoid valve III 14, the pressure sensor II 13 and solenoid valve III
14 connection control cabinets 11；
The surge tank 15 is passed through in combustion gas, and the surge tank 15 plays the pressure oscillation of buffer system, makes system work more
Steadily, the II 13 real-time measurement gaseous-pressure of pressure sensor.
The ignition system 2 includes control cabinet 11, main air gun 2-1, burning torch 2-2, bellows 2-3；
The bellows 2-3 includes bellows main body 2-3-1, air inlet 2-3-2, lights a mouthful 2-3-3；
The bottom of the bellows main body 2-3-1 is air inlet 2-3-2, is equipped with air-introduced machine 16 at the air inlet 2-3-2；
The side of the bellows main body 2-3-1 is equipped with lighting-up tuyere 2-3-1-1, air inlet 2-3-1-2；
The other side of the bellows main body 2-3-1 is to light a mouthful 2-3-3, described to light a mouthful 2-3-3 connection burning burner hearth 17；
The side connecting line III 12 of the main air gun 2-1, the other side of the main air gun 2-1 is from bellows main body 2-3-1
Air inlet 2-3-1-2 pass through light a mouthful 2-3-3 penetrate into burn burner hearth 17；
The spark lever 2-2-1 of the burning torch 2-2 is passed through from the lighting-up tuyere 2-3-1-1 of bellows main body 2-3-1, penetrates into institute
It states and burns in burner hearth 17, the spark lever 2-2-1 is located at the lower part of main air gun 2-1, conveniently lights and exports from the main air gun 2-1
Gas；
Wherein, the burning torch 2-2 is equipped with II 2-2-2 of switch, and II 2-2-2 of switch, which is powered, connects control cabinet 11；
Wherein, fire inspection device 18 is equipped at the top of the burning burner hearth 17.The fire inspection device 18, which is powered, connects control cabinet 11.
The burning torch 2-2 of fuel gas transmission to ignition system 2 is extremely burned burner hearth 17 by the pipeline III 12.The control cabinet 11
It controls main air gun 2-1 to light a fire, the air-introduced machine conveys air into burner hearth, and the fire inspection device 18 is special according to the burning of flame
Property is measured in real time combustion conditions, once flame combustion state be unsatisfactory for normal condition or it is flame-out when, by certain way to
The control cabinet 11, which sends signal, to be stopped gas supply or is re-started by II 2-2-2 of switch on the control of control cabinet 11 burning torch 2-2
Igniting guarantees that the fuel gas buring burned in burner hearth 17 is complete, guarantees to stop fuel supply when boiler extinguishment.Due to the day that liquefies
Right gas is good clean fuel, so black smoke will not be generated, the controller can be automatically controled the electricity of burning torch 2-2 and gas supply
Magnet valve, the 18 energy real-time detection combustion conditions of fire inspection device, so so there is no insufficient problems of burning.
The utility model changes sulfuric acid industry system in the heating technology of initial start-up due to the adoption of the above technical scheme.
The heating of same size sulfuric acid production system, heating-up time shorten nearly one third, it is often more important that have prevented diesel oil heating side
The problem of environmental pollution of formula, the heating technology belong to pioneering in sulfuric acid industry in fact.
In the description of the present invention, it should be understood that term " on ", "lower", "front", "rear", "left", "right",
The orientation or positional relationship of the instructions such as "top", "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
One embodiment of the utility model is described in detail above, but the content is only the utility model
Preferred embodiment should not be considered as limiting the scope of the present invention.It is all to be made according to application scope of the utility model
All the changes and improvements etc., should still belong within the patent covering scope of the utility model.
Claims (5)
1. a kind of sulfuric acid production plant driving temperature elevation system, it is characterised in that: including gas supply system (1) and ignition system
(2)；
The gas supply system (1) includes booster (3), transport vehicle (4), storage tank (5), gasifier (6), electrothermal water bath type vapour
Change device (7)；
The booster (3) is provided with liquefied natural gas, the fortune by I connection transportation vehicle (4) of pipeline, the transport vehicle (4)
Defeated vehicle (4) connects storage tank (5) by pipeline II；The storage tank (5) includes liquid-phase outlet valve (5-1), from pressure charging system (5-2)；
The liquid-phase outlet valve (5-1) connects gasifier (6) by pipeline III；
Air-heating type gasifier (6) passes through pipeline I (8) connection type electric-heating water-bathing type vaporizer (7)；The type electric-heating water-bathing type vaporizer
(7) by pipeline II (9) connection pressure regulator (10), the pressure regulator (10) passes through pipeline III (12) connection ignition system (2)；
Wherein, branch pipeline I is successively arranged from type electric-heating water-bathing type vaporizer (7) to pressure regulator (10) direction on the pipeline II (9)
(9-1), solenoid valve I (9-2) and pressure sensor I (9-3)；The solenoid valve I (9-2), pressure regulator (10), pressure sensor I
(9-3) is powered and connects control cabinet (11)；One end connecting line II (9) other end connecting line I of the branch pipeline I (9-1)
(8)；
Wherein, the branch pipeline I (9-1) is equipped with solenoid valve II (9-1-1)；The solenoid valve II (9-1-1) connects control cabinet
(11)；
The ignition system (2) includes control cabinet (11), main air gun (2-1), burning torch (2-2), bellows (2-3)；
The bellows (2-3) include bellows main body (2-3-1), air inlet (2-3-2), light mouth (2-3-3)；
The bottom of the bellows main body (2-3-1) is air inlet (2-3-2), is equipped with air-introduced machine at the air inlet (2-3-2)
(16)；
The side of the bellows main body (2-3-1) is equipped with lighting-up tuyere (2-3-1-1), air inlet (2-3-1-2)；
The other side of the bellows main body (2-3-1) is to light mouth (2-3-3), described to light mouth (2-3-3) connection burning burner hearth
(17)；
The side connecting line III (12) of the main air gun (2-1), the other side of the main air gun (2-1) is from bellows main body (2-
Air inlet (2-3-1-2) 3-1) penetrates into burning burner hearth (17) across mouth (2-3-3) is lighted；
The spark lever (2-2-1) of the burning torch (2-2) is passed through from the lighting-up tuyere (2-3-1-1) of bellows main body (2-3-1), is penetrated
In to the burning burner hearth (17), the spark lever (2-2-1) is located at the lower part of main air gun (2-1), conveniently lights from the master
The gas of air gun (2-1) output；
Wherein, the burning torch (2-2) is equipped with switch II (2-2-2), and the switch II (2-2-2) connects control cabinet (11)；
Wherein, fiery inspection device (18) is equipped at the top of the burning burner hearth (17), fire inspection device (18), which is powered, connects control cabinet (11).
2. a kind of sulfuric acid production plant driving temperature elevation system according to claim 1, it is characterised in that: the transport vehicle
It (4) is tank car.
3. a kind of sulfuric acid production plant driving temperature elevation system according to claim 1, it is characterised in that: the gasifier
(6) it is air-heating type gasifier (6).
4. a kind of sulfuric acid production plant driving temperature elevation system according to claim 1, it is characterised in that: the electrothermal water bath
Formula vaporizer (7) outer layer is surrounded by auxiliary heating layer (7-1)；
The auxiliary heating layer (7-1) is provided with water；Heater (7-2) setting is heated inside it in auxiliary heating layer (7-1)
Water, the heater (7-2) passes through connection auxiliary heating layer (7-1) outer switch I (7-3).
5. a kind of sulfuric acid production plant driving temperature elevation system according to claim 1 or 4, it is characterised in that: the pressure regulation
It is additionally provided between device (10) and ignition system (2) surge tank (15), the pressure regulator (10) passes through pipeline III (12) connection buffering
Tank (15), the surge tank (15) pass through pipeline III (12) connection ignition system (2), the surge tank (15) and ignition system
(2) pipeline III (12) between is equipped with pressure sensor II (13) and solenoid valve III (14), the pressure sensor II (13)
And solenoid valve III (14) connection control cabinet (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821724938.8U CN209295148U (en) | 2018-10-24 | 2018-10-24 | A kind of sulfuric acid production plant driving temperature elevation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821724938.8U CN209295148U (en) | 2018-10-24 | 2018-10-24 | A kind of sulfuric acid production plant driving temperature elevation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209295148U true CN209295148U (en) | 2019-08-23 |
Family
ID=67646609
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|---|---|---|---|
| CN201821724938.8U Active CN209295148U (en) | 2018-10-24 | 2018-10-24 | A kind of sulfuric acid production plant driving temperature elevation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209295148U (en) |
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2018
- 2018-10-24 CN CN201821724938.8U patent/CN209295148U/en active Active
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| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 300270 Dagang Petrochemical Industrial Park, Binhai New Area, Tianjin Patentee after: Tianjin Huanbo New Material Co.,Ltd. Address before: NO.67 GangShi street, Dagang Petrochemical Industrial Park, Binhai New Area, Tianjin 300270 Patentee before: TIANJIN BODA SULFURIC ACID Co.,Ltd. |