CN101058016B - Fire-extinguishing system capable of continuously preparing carbon dioxide and its method for preparing carbon dioxide - Google Patents
Fire-extinguishing system capable of continuously preparing carbon dioxide and its method for preparing carbon dioxide Download PDFInfo
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- CN101058016B CN101058016B CN2007100646663A CN200710064666A CN101058016B CN 101058016 B CN101058016 B CN 101058016B CN 2007100646663 A CN2007100646663 A CN 2007100646663A CN 200710064666 A CN200710064666 A CN 200710064666A CN 101058016 B CN101058016 B CN 101058016B
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Abstract
The present invention provides a continuous carbon dioxide production system for fire-extinguishing, comprising one carbon dioxide production tank and two sulfuric acid tanks; said sulfuric acid tanks are installed above and below said carbon dioxide production tank respectively; air balancing pipe is located between said production tank and upper sulfuric acid tank, connection pipe is set between upper and lower sulfuric acid tank, the first feed pipe is set in the lower sulfuric acid tank, the bottom part of lower sulfuric acid tank is equipped with discharge port connected second feed pipe, and two feed pipes enters into production tank and connect with relative cloth device. The invention is characterized by compact structure, controllable sulfuric acid feed speed, high safety, and continuous and fast production carbon dioxide.
Description
Technical field
The present invention relates to the device of a kind of CO2 of producing, especially a kind of fire extinguishing system of producing CO2 gas by chemical method continuously.The invention still further relates to and use this device to prepare the method for CO2.
Background technology
The CO2 fire extinguisher that uses in the prior art mainly is to put out a fire as the CO2 source of the gas by the CO2 high-pressure gas cylinder, and its shortcoming is that gas-storing capacity is limited, and Keep Clear-High Voltage, uses inconvenient.Conflagration Caused by Coal Self-ignition fire extinguishing under the coal mine, what generally adopt at present is that the fire extinguishing of fuel oil waste gas separates the fire extinguishing of nitrogen making machine system nitrogen with high pressure.Its common shortcoming is, contains the oxygen composition in the inert gas of fire extinguishing usefulness, and is dangerous, and noble gas temperature height, poor safety performance, use inconvenient, the material of taking a lot of work, the energy consumption height pollutes and weighs.
At present, the device that also has use chemically to produce CO2 continuously in the prior art device of putting out a fire.
Usually the raw material of usefulness is the concentrated sulfuric acid and carbonic hydroammonium, and reaction equation is as follows:
H2SO4+2NaHCO3→Na2SO4+2CO2↑+2H2O
The common trait that existing chemical method prepares the equipment of CO2 continuously is: two independently containers are set, one of them holds the concentrated sulfuric acid in last container, the sulfuric acid charging door is set on sulfuric acid vessel, another under container hold the carbonic hydroammonium of pasty state, the carbonic hydroammonium charging door is set on ammonium hydrogen carbonate vessel.Connect this two containers by valve, pipeline, make sulfuric acid in last container flow under container in the carbonic hydroammonium reaction, between two containers, be provided with communicating pipe as pressure-equalizing pipe, connect two containers by pressure-equalizing pipe.In the ammonium hydrogen carbonate vessel upper end CO2 outlet is set, in this CO2 outlet the gas delivery valve is set, the ammonium hydrogen carbonate vessel lower end is provided with the residue discharge gate.
The shortcoming of this device is:
1) once reinforced gas production is limited, needs repeatedly reinforced.And course of reaction is used the concentrated sulfuric acid, the frequent reinforced danger that increases operation.
2) sulfuric acid in the sulfuric acid vessel enters ammonium hydrogen carbonate vessel and the reaction of carbonic hydroammonium wherein by the pipeline that is connected with ammonium hydrogen carbonate vessel, generate CO2 gas, in order to guarantee two pressure balances between the container, make sulfuric acid all successfully to be discharged in the ammonium hydrogen carbonate vessel, between two jars, be provided with communicating pipe as pressure-equalizing pipe, consumption hour if the CO2 that produces in the ammonium hydrogen carbonate vessel is more, unnecessary gas can enter in the sulfuric acid vessel by pressure-equalizing pipe, and it enters the effect that ammonium hydrogen carbonate vessel plays propelling for the sulfuric acid in the jar.Because the chemical reaction that adopts is more violent, does not have control device, the security of operation, stability are difficult for grasping, and the continuity of aerogenesis also just can not guarantee.
3) gas generation process can produce pressure and use the concentrated sulfuric acid, and pressure of equipment measure, anti-corrosion measure be nowhere near, in case blast or sulfuric acid leakage meeting causes serious injury to operating personnel.
Summary of the invention
The objective of the invention is to improve the defective of prior art, what provide that the known chemical method of a kind of volume is little, quick, stable, flexible, mobility is good, safe, workable use generates CO2 produces the CO2 fire extinguishing system continuously.
Another object of the present invention is to provide the method for using said system to prepare CO2.
The object of the present invention is achieved like this:
The CO2 fire extinguishing system of producing continuously provided by the invention comprises: a carbon dioxide generation tank and two sulfuric acid head tanks, described two sulfuric acid head tanks are separately positioned on the above and below of described carbon dioxide generation tank, described generation tank and above gas equalizing line is set between the sulfuric acid head tank, between sulfuric acid head tank and the below sulfuric acid head tank be set communicating pipe up, below one first feed pipe is set in the sulfuric acid head tank, its bottom from generation tank puts in, the end that is in the generation tank jar at this first feed pipe connects first distribution device, which is provided with discharge opening; Below the bottom of sulfuric acid head tank establish discharging opening and connect second feed pipe, its bottom from generation tank puts in, the end that is in the generation tank jar at this second feed pipe connects second distribution device, also is provided with discharge opening on it, or is connected to equally on described first distribution device; Comprise on gas equalizing line, communicating pipe, first feed pipe and second feed pipe and be equipped with valve being provided with on the described carbon dioxide generation tank; Described generation tank is provided with and comprises CO2 gas outlet, sewage draining exit and carbonic hydroammonium raw materials mouth, and CO2 connects blast pipe on the gas outlet, is equipped with charge door on two described sulfuric acid head tanks; At least generation tank and above be provided with Pressure gauge on the sulfuric acid head tank, on generation tank, be provided with safety valve.
In order to prevent discharge opening on jar interior distribution device by material, especially product stops up, and described distribution device is a cloth tube, and the discharge opening on it is arranged on cloth tube maximum half circumference up.When producing carbon dioxide gas, the concentrated sulfuric acid is emerged from the cloth mouth that makes progress of cloth tube, is dropped on the carbonic hydroammonium below the cloth tube reaction system gas then downwards.Described cloth tube can be the coil pipe that is provided with on the tank body horizontal plane of generation tank.
The tube section that the summation of the discharge opening area on the described cloth tube preferably is less than or equal to described feed pipe amasss.
Produce the method for carbon dioxide and be with the CO2 fire extinguishing system of producing continuously provided by the invention:
Step 1: the valve on the blow-off pipe on the closing carbon dioxide generation tank, blast pipe, communicating pipe, first feed pipe, second feed pipe and the pressure-equalizing pipe, in two sulfuric acid head tanks, add the sulfuric acid of aequum by charge door, seal charge door then;
Step 2: the ammonium hydrogencarbonate of aequum, the pastel that water is made into are joined in the generation tank by carbonic hydroammonium raw materials mouth, the addition of material is: make the upper surface of described material be arranged in two distribution devices that generation tank is provided with below, seal this charge door then;
Step 3: open the valve on pressure-equalizing pipe, communicating pipe, first feed pipe, sulfuric acid in the first sulfuric acid head tank is by entering the second sulfuric acid head tank communicating pipe and entering generation tank by first feed pipe, flow out from distribution device, be dropped on the carbonic hydroammonium that is positioned at below the distribution device, when the generation tank internal pressure reaches the degree that safety valve is opened, open the valve on the blast pipe;
Step 4: when the sulfuric acid in the first sulfuric acid head tank uses up fully, close the valve on communicating pipe and the pressure-equalizing pipe, at this moment, be full of CO2 gas in the first sulfuric acid head tank 1, and had certain pressure, simultaneously, stop in generation tank, to carry sulfuric acid.Make the air-generating reaction in the generation tank temporarily stop;
Step 5: when the generation tank internal pressure drops to normal pressure, close the valve on first feed pipe, open the valve on the communicating pipe and second feed pipe, make that the sulfuric acid in the second sulfuric acid head tank is pressed in the generation tank, begin to proceed reaction; When pressure is in a basic balance between the generation tank and the first sulfuric acid head tank, open pressure-equalizing pipe, allow the part of the CO2 gas that generation tank produces enter in the first sulfuric acid head tank closing presure balance pipe, the valve on communicating pipe when pressure rises to certain value once more; Pressure reduces in generation tank, repeats top-operation, and sulfuric acid reaction finishes in the second sulfuric acid head tank.
Step 6: blowdown, cleaning equipment, reinforced again, give over to next time and use.
This is produced the CO2 fire extinguishing system continuously and compares with prior art equipment and have the following advantages:
1) once reinforced gas production is big, has avoided repeatedly reinforced.Strengthened the security of operation.
2) aerogenesis pressure is bigger, use equipment provided by the invention to be transported to ignition point with the CO2 gas of this method preparation by pipeline, the resistance of pipeline can not reduce the pressure of CO2 gas midway, even some breakage of pipe, have some to leak, gas transmission also can be satisfied the needs of fire extinguishing.
3) gas production obtains increasing under the prerequisite that does not increase equipment size basically.
4) use self aerogenesis power as mass transport, can the realization response automatic control at certain phase.
5) coil pipe drips the formula distribution device, can remaining sulfuric acid, because the structure of this equipment can effectively avoid product with the discharge opening blocking problem, be beneficial to equipment anticorrosion.And increased on distribution device and prevent that sulfuric acid from entering too fast impact mitigation measure, promptly charging aperture cross section summation is less than or equal to the tube section of feed pipe, make aerogenesis more steadily, continuously, safety.Owing to adopt two feed pipes, be more conducive to control reaction speed.
Thus, originally produce the CO2 fire extinguishing system continuously and can provide the CO2 of abundance quick, stable, safely, flexibly, easily, satisfy the demand of putting out a fire according to fire under different location, the different condition and extinguishment requirement.
Description of drawings
The invention will be further described below in conjunction with accompanying drawing.
Fig. 1 is a structural representation of producing the CO2 fire extinguishing system continuously provided by the invention.
The specific embodiment
CO2 fire extinguishing system provided by the invention comprises: a co2 carbon dioxide generation tank 2 and two sulfuric acid head tanks 1,3, the first sulfuric acid head tank 1 of two tops, the second sulfuric acid head tank 3 of below is separately positioned on the above and below of co2 carbon dioxide generation tank 2, co2 carbon dioxide generation tank 2 and above the first sulfuric acid head tank 1 between gas equalizing line 6 is set, between first sulfuric acid head tank 1 up and the second sulfuric acid head tank 3 of below be set communicating pipe 5, below the second sulfuric acid head tank 3 in one first feed pipe 4 is set, the one end as for jar at the bottom of, its other end stretches out from the top of jar, and put in the carbon dioxide generation tank from the bottom of carbon dioxide generation tank 1, its end connects first distribution device 16, which is provided with discharge opening; Below the bottom of the second sulfuric acid head tank 3 establish discharging opening and connect second feed pipe 8, its bottom from co2 carbon dioxide generation tank 2 puts in, its end connects second distribution device 17, also is provided with discharge opening on it; On gas equalizing line 6, communicating pipe 5, first feed pipe 4 and second feed pipe 8, be equipped with valve; The carbon dioxide generation tank is provided with CO2 gas outlet and sewage draining exit, and blast pipe 7, blow-off pipe 9 are set respectively on it, is equipped with valve on it, also is provided with raw materials mouth 14 on the carbon dioxide generation tank, is respectively equipped with charge door 13,15 on two sulfuric acid head tanks; Be equipped with seal cover on each charge door.Co2 carbon dioxide generation tank 2 and above the first sulfuric acid head tank 1 on be respectively equipped with Pressure gauge 11,12, on co2 carbon dioxide generation tank 2, be provided with safety valve 10.
Use the above-mentioned method for preparing CO2 of producing the CO2 fire extinguishing system continuously to be:
Step 1: the valve on the blow-off pipe 9 on the closing carbon dioxide generation tank, blast pipe 7, communicating pipe 5, first feed pipe 4, second feed pipe 8 and the pressure-equalizing pipe 6, in two sulfuric acid head tanks 1,3, add the sulfuric acid of aequum by charging aperture 13,15, seal charge door 13,15 then.
Step 2: by carbonic hydroammonium raw materials mouth 14 ammonium hydrogencarbonate of aequum, the pastel that water is made into are joined in the carbon dioxide generation tank 2, seal charge door 14 then.The addition of material is: make the upper surface of described material be arranged in two distribution devices that generation tank is provided with below,
Step 3: open pressure-equalizing pipe 6, communicating pipe 5, valve on first feed pipe 4, sulfuric acid in the first sulfuric acid head tank 1 is by entering the second sulfuric acid head tank 3 communicating pipe 5 and entering carbon dioxide generation tank 2 by first feed pipe 4, flow out from distribution device 16, be dropped on the carbonic hydroammonium that is positioned at below the distribution device 16, this moment, material began reaction, and there is gas to generate, along with increasing carbon dioxide generation tank internal pressure, gas flow increases, observe Pressure gauge 11, when reaching the degree that safety valve 10 is opened, open the valve on the blast pipe 7, this moment, gas can output to the place that needs gas endlessly.
Step 4: because reaction is more violent, gas consumption promptly generally is lower than gas production from the CO2 that blast pipe 7 is discharged, and because be provided with pressure-equalizing pipe, CO2 gas can enter in the first sulfuric acid head tank 1 by pressure-equalizing pipe 6, simultaneously, pressure in the generation tank 1 also can increase, and observes the Pressure gauge 12 on the first sulfuric acid head tank 1.When being 0.1MPa, can think that the sulfuric acid in the first sulfuric acid head tank 1 uses up fully by the registration reduction of Pressure gauge 11 and near atmospheric pressure.The time that sulfuric acid in the first sulfuric acid head tank 1 flows out fully can calculate; The excessive situation of pressure in the generation tank can not appear in the valve control the when calculating by equipment design, operation.When the sulfuric acid in the first sulfuric acid head tank 1 uses up fully, close the valve on communicating pipe 5 and the pressure-equalizing pipe 6.At this moment, be full of CO2 gas in the first sulfuric acid head tank 1, and had certain pressure.Simultaneously, stop in carbon dioxide generation tank 2, carrying sulfuric acid.Make the air-generating reaction in the generation tank temporarily stop.
Step 5: along with the continuous discharge of CO2 gas in the carbon dioxide generation tank 2 is used, pressure in it constantly descends, when dropping near normal pressure, close the valve on first feed pipe 4, open the valve on the communicating pipe 5 and second feed pipe 8, this moment is owing to having pressure reduction between the first sulfuric acid head tank 1 and the carbon dioxide generation tank 2, under the effect of this pressure reduction, make the sulfuric acid in the second sulfuric acid head tank 3 be pressed in the carbon dioxide generation tank 2, begin to proceed reaction.This process notes observing Pressure gauge 11,12.When pressure during near balance, open pressure-equalizing pipe 6, allow the part of the CO2 gas that generation tank 1 produces enter in the first sulfuric acid head tank 1 closing presure balance pipe 6, the valve on communicating pipe 5 when pressure rises to certain value once more.Pressure reduces in carbon dioxide generation tank 2, repeats top-operation, and sulfuric acid reaction finishes in the second sulfuric acid head tank 3.
5) blowdown, cleaning establishing, reinforced again, give over to next time and use.
According to top description as can be known, the CO2 fire extinguishing system of producing continuously provided by the invention is divided into two stages, and the phase I is that the first sulfuric acid head tank 1 is sent into sulfuric acid in carbon dioxide generation tank 2, by liquid level difference as the transfusion power.After the material in the first sulfuric acid head tank 1 used up, the first sulfuric acid head tank 1 became air accumulator, simultaneously the motive force that enters generation tank as sulfuric acid in the second sulfuric acid head tank.By the valve on regulation and control balance pipe 6, communicating pipe 5 and second feed pipe 8, can effectively control the inlet amount of sulfuric acid, thus the speed of control reaction.
The control reaction speed be arranged in the generator 1 two distribution devices 16,17 that connect first feed pipe 4 and second feed pipe 8 in addition, this distribution device 16,17 preferably one in carbon dioxide generation tank 2 transverse tube or the coil pipe in the whole horizontal length scope, several apertures are set on the cloth tube, this aperture preferably is distributed on half tank skin up of cloth tube, and the gross area of described discharge opening is less than or equal to the sectional area of cloth pipeline.The gross area of aperture is preferably less than the sectional area of cloth pipeline.For example, the gross area in cloth hole is the 50-85% of cloth tube sectional area.Like this, can control the inlet of sulfuric acid well, thereby the control gas production adapts to and uses and security needs.
For guarantee under the second sulfuric acid head tank in material can all import in the generation tank smoothly, and make this fire extinguishing system rational in infrastructure stable, the volume of the second sulfuric acid head tank 3 is preferably less than the first sulfuric acid head tank 1, ratio is 1/2～1/3.The first sulfuric acid head tank 1 can be 1/7.5～1/5 with the volume ratio of carbon dioxide generation tank 2.
The volume of the second sulfuric acid head tank 3 is less than the first sulfuric acid head tank 1, this be because the first sulfuric acid head tank 1 except as the sulfuric acid vessel, also to store the gas of enough pressure as much as possible, guarantee the sulfuric acid in the second sulfuric acid head tank 3 is pressed into carbon dioxide generation tank 2.
In order to be implemented under the little situation of equipment size, gas production, aerogenesis pressure all improve, the present invention has adopted two sulfuric acid head tanks up and down, two small containers (first, second sulfuric acid head tank 1,3), a bulk container (carbon dioxide generation tank 2), the structure that is connected with valve by pipeline therebetween.The reaction incipient stage, when opening corresponding pipe valve, carbon dioxide generation tank 2 in the middle of the sulfuric acid in the uppermost first sulfuric acid head tank 1 of equipment enters reacts beginning gas and produces and enter the first sulfuric acid head tank 1 topmost.When the sulfuric acid in the first sulfuric acid head tank 1 flows to end fully, can store the gas of the required pressure of a certain amount of second stage in it.If close all valves that connect on the first sulfuric acid head tank 1, this moment, it promptly was a CO2 air accumulator.Treat in the first sulfuric acid head tank in the input generation tank 1 sulfuric acid gradually with generation tank 1 in the carbonic hydroammonium reaction, the continuous discharge of the CO2 gas that produces, pressure in the carbon dioxide generation tank 2 will constantly drop to normal pressure, at this moment, change by the second sulfuric acid head tank and carry sulfuric acid in generation tank 1.Method is very simple, promptly close the valve on first feed pipe 4, open the valve on communicating pipe 5, second feed pipe 8, this moment is by having pressure reduction between the first sulfuric acid head tank 1, the carbon dioxide generation tank 2, under the motive force of this pressure reduction promotes, sulfuric acid in the second sulfuric acid head tank 3 can be pressed into carbon dioxide generation tank 2, and reaction is proceeded.
The present invention has adopted the charging of dual circuit double valve.The purpose that workable, safe, the layout structure of realization equipment is rationally compact, and be on the cloth pipeline that feeding pipe links that through tight calculation Design some leak sources are the cloth hole, the gross area of leak source is less than the sectional area of cloth pipeline.Realized control, thereby realized control, guaranteed that further workable, safe, the layout structure of equipment is rationally compact chemical reaction velocity to the sulfuric acid charging rate.Make equipment can be continuously, steadily, safety, the generation fast needed CO2 gas of putting out a fire.
Claims (9)
1. produce CO continuously for one kind
2Fire extinguishing system, it is characterized in that, comprise a carbon dioxide generation tank and two sulfuric acid head tanks, described two sulfuric acid head tanks are separately positioned on the above and below of described carbon dioxide generation tank, described generation tank and above the first sulfuric acid head tank between gas equalizing line is set, between first sulfuric acid head tank up and the second sulfuric acid head tank of below be set communicating pipe, below the second sulfuric acid head tank in one first feed pipe is set, its bottom from the carbon dioxide generation tank puts in, the end that is in the carbon dioxide generation tank jar at this first feed pipe connects first distribution device, which is provided with discharge opening; Below the bottom of the second sulfuric acid head tank establish discharging opening and connect second feed pipe, its bottom from the carbon dioxide generation tank puts in, the end in the carbon dioxide generation tank jar of being at this second feed pipe, or connect second distribution device, also be provided with discharge opening on it, or be connected on described first distribution device; On described gas equalizing line, communicating pipe, first feed pipe and second feed pipe, be equipped with valve; Described generation tank is provided with CO
2Gas outlet, sewage draining exit and raw materials mouth are equipped with charge door on two described sulfuric acid head tanks; At least generation tank and above be provided with Pressure gauge on the sulfuric acid head tank, on the carbon dioxide generation tank, be provided with safety valve.
2. according to the described CO that produces continuously of claim 1
2Fire extinguishing system, it is characterized in that, the described distribution device that connects described first feed pipe and second feed pipe is the cloth tube in the whole horizontal length scope in described generation tank, and it is transverse tube or coil pipe, several apertures is set as described discharge opening on the described cloth tube.
3. the CO that produces continuously according to claim 2
2Fire extinguishing system is characterized in that, this discharge opening is distributed on maximum half circumference upper wall up of cloth tube.
4. according to claim 2 or the 3 described CO that produce continuously
2Fire extinguishing system is characterized in that, the gross area of described discharge opening is less than or equal to the sectional area of cloth pipeline.
5. the CO that produces continuously according to claim 1
2Fire extinguishing system is characterized in that, the volume of the described second sulfuric acid head tank is less than the first sulfuric acid head tank.
6. the CO that produces continuously according to claim 5
2The fire ignition system is characterized in that the ratio of the described second sulfuric acid head tank volume and the first sulfuric acid head tank volume is 1/2～1/3.
7. produce CO according to claim 1 or 5 continuously
2Fire extinguishing system is characterized in that, the volume ratio of described first sulfuric acid head tank and carbon dioxide generation tank is 1/7.5～1/5.
8. the CO that produces continuously according to claim 1
2Fire extinguishing system is characterized in that, described second feed pipe is installed in the bottom of the second sulfuric acid head tank, or is installed in the bottom of the side seal head of the second sulfuric acid head tank.
9. use such as the claim 1 described CO that produces continuously
2Fire extinguishing system prepares CO
2Method: it is characterized in that;
Step 1: the valve on the blow-off pipe on the closing carbon dioxide generation tank, blast pipe, communicating pipe, first feed pipe, second feed pipe and the pressure-equalizing pipe, in two sulfuric acid head tanks, add the sulfuric acid of aequum by charge door, seal charge door then;
Step 2: the ammonium hydrogencarbonate of aequum, the pastel that water is made into are joined in the generation tank by carbonic hydroammonium raw materials mouth, the addition of material is: make the upper surface of described material be arranged in two distribution devices that generation tank is provided with below, seal this charge door then;
Step 3: open the valve on pressure-equalizing pipe, communicating pipe, first feed pipe, sulfuric acid in the first sulfuric acid head tank is by entering the second sulfuric acid head tank communicating pipe and entering generation tank by first feed pipe, flow out from distribution device, be dropped on the carbonic hydroammonium that is positioned at below the distribution device, when the generation tank internal pressure reaches the degree that safety valve is opened, open the valve on the blast pipe;
Step 4: when the sulfuric acid in the first sulfuric acid head tank uses up fully, close the valve on communicating pipe and the pressure-equalizing pipe, at this moment, be full of CO in the first sulfuric acid head tank
2Gas, and have certain pressure, simultaneously, stop in generation tank, to carry sulfuric acid.Make the air-generating reaction in the generation tank temporarily stop;
Step 5: when the generation tank internal pressure drops to normal pressure, close the valve on first feed pipe, open the valve on the communicating pipe and second feed pipe, make that the sulfuric acid in the second sulfuric acid head tank is pressed in the generation tank, begin to proceed reaction; When pressure is in a basic balance between the generation tank and the first sulfuric acid head tank, open pressure-equalizing pipe, the CO that allows generation tank produce
2The part of gas enters in the first sulfuric acid head tank once more, closing presure balance pipe, the valve on communicating pipe when pressure rises to certain value; Pressure reduces in generation tank, repeats top-operation, and sulfuric acid reaction finishes in the second sulfuric acid head tank;
Step 6: blowdown, cleaning equipment, reinforced again, give over to next time and use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100646663A CN101058016B (en) | 2007-03-22 | 2007-03-22 | Fire-extinguishing system capable of continuously preparing carbon dioxide and its method for preparing carbon dioxide |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100646663A CN101058016B (en) | 2007-03-22 | 2007-03-22 | Fire-extinguishing system capable of continuously preparing carbon dioxide and its method for preparing carbon dioxide |
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| CN101058016A CN101058016A (en) | 2007-10-24 |
| CN101058016B true CN101058016B (en) | 2011-06-08 |
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| CN2007100646663A Expired - Fee Related CN101058016B (en) | 2007-03-22 | 2007-03-22 | Fire-extinguishing system capable of continuously preparing carbon dioxide and its method for preparing carbon dioxide |
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| CN101993076B (en) * | 2009-08-11 | 2013-06-12 | 北京凌天世纪自动化技术有限公司 | Sodium bicarbonate mixing and stirring tank car in carbon dioxide producing equipment |
| CN101993077B (en) * | 2009-08-11 | 2013-07-24 | 北京凌天世纪自动化技术有限公司 | Carbon-dioxide generator tank car in carbon-dioxide generating equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1259484A (en) * | 1998-11-06 | 2000-07-12 | 杜志刚 | Method and equipment for quickly conveniently and continuously preparing carbon dioxide |
| CN2521202Y (en) * | 2002-01-22 | 2002-11-20 | 杜志刚 | Apparatus for fast convenient continuous production of CO2 |
| CN2521203Y (en) * | 2002-01-22 | 2002-11-20 | 杜志刚 | Apparatus for fast, convenient and continuous preparing CO2 |
| CN201020187Y (en) * | 2007-03-22 | 2008-02-13 | 常建 | Fire-extinguishing system capable of continuously preparing CO2 |
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2007
- 2007-03-22 CN CN2007100646663A patent/CN101058016B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1259484A (en) * | 1998-11-06 | 2000-07-12 | 杜志刚 | Method and equipment for quickly conveniently and continuously preparing carbon dioxide |
| CN2521202Y (en) * | 2002-01-22 | 2002-11-20 | 杜志刚 | Apparatus for fast convenient continuous production of CO2 |
| CN2521203Y (en) * | 2002-01-22 | 2002-11-20 | 杜志刚 | Apparatus for fast, convenient and continuous preparing CO2 |
| CN201020187Y (en) * | 2007-03-22 | 2008-02-13 | 常建 | Fire-extinguishing system capable of continuously preparing CO2 |
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Address after: 101102 Beijing City, Tongzhou District Zhongguancun Tongzhou Science Park Science and technology industrial base of road bridge (East U Valley) No. 17 10B Patentee after: Chang Jian Address before: 101102 Beijing City, Tongzhou District Zhongguancun Tongzhou Science Park Bridge Science and technology industrial base, East Ring Road No. 17 U Valley yanchuang Enterprise Park 10B Beijing topskytech Automation Technology Co. Ltd. Patentee before: Chang Jian |
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| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110608 Termination date: 20140322 |