CN104230630A - Acetylene recovery device and method for recovering acetylene from waste sodium hypochlorite solution - Google Patents
Acetylene recovery device and method for recovering acetylene from waste sodium hypochlorite solution Download PDFInfo
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Abstract
The invention relates to the technical field of acetylene recovery methods and particularly relates to an acetylene recovery device and method for recovering acetylene from a waste sodium hypochlorite solution. The method for recovering acetylene from the waste sodium hypochlorite solution comprises the following steps of enabling the acetylene-containing waste sodium hypochlorite solution to enter a flash evaporation tank from a waste liquid inlet of the flash evaporation tank, resolving the acetylene-containing waste sodium hypochlorite solution in the flash evaporation tank, so as to obtain acetylene and a treatment solution, discharging acetylene from an acetylene outlet of the flash evaporation tank, and discharging the treatment solution from a lower liquid outlet of the flash evaporation tank. According to the method for recovering acetylene from the waste sodium hypochlorite solution and the acetylene recovery device, disclosed by the invention, acetylene can be effectively recovered, and the volume percent of the recovery rate of acetylene is 73.3-91.4%, so that the waste of acetylene is reduced, waste sodium hypochlorite and industrial water are effectively recycled, the operating cost of an enterprise is reduced, and the pollution to the environment caused by discharging the waste sodium hypochlorite solution is reduced.
Description
Technical field
the present invention relates to and reclaim acetylene method technical field, is a kind of acetylene recovery device and the method reclaiming acetylene in useless time sodium liquid.
Background technology
at present, the useless time sodium liquid that domestic acetylene cleaning system uses adopts the mode of directly outer row to process, owing to being dissolved with the gases such as acetylene gas in useless time sodium liquid, therefore, directly outer waste discharge time sodium liquid not only can make the acetylene gas be dissolved in useless time sodium liquid evaporate in air the waste causing acetylene gas, and pollution to a certain degree is also caused to environment, simultaneously, containing a large amount of process waters in useless time sodium liquid, directly during the secondary sodium liquid of outer waste discharge, cause the waste of useless time sodium and process water, add the running cost of enterprise.
Summary of the invention
the invention provides the method for acetylene in a kind of acetylene recovery device and the useless time sodium liquid of recovery, overcome the deficiency of above-mentioned prior art, it effectively can solve existing useless the sodium liquid directly problem of waste acetylene gas that exists of outer row, solves the existing useless time sodium liquid directly useless time sodium of waste that exists of outer row and the industrial water problem of waste further.
one of technical scheme of the present invention is realized by following measures: a kind of acetylene recovery device, comprise flash tank, flash tank has waste liquid import, acetylene outlet and liquid outlet, useless time sodium liquid-inlet pipe is installed with in waste liquid import, acetylene hose is installed with in acetylene outlet, acetylene hose is installed with Acetylene Gas Holder, on acetylene hose between acetylene outlet and Acetylene Gas Holder, from a left side, the right side is sequentially installed with measurement of oxygen content device and pressurizing device, useless time device for processing sodium is installed with at liquid outlet, useless time sodium liquid-inlet pipe and acetylene hose are all installed with the variable valve being no less than.
here is the further optimization and/or improvements to one of foregoing invention technical scheme:
above-mentioned measurement of oxygen content device can comprise two online oxygen analysers, and each online oxygen analyser is fixedly mounted on acetylene hose; Or/and, pressurizing device comprises knockout drum and two water ring vacuum pumps, inlet end and the acetylene hose of water ring vacuum pump are fixedly installed togather, the outlet side of water ring vacuum pump communicates with the liquid feeding end of knockout drum, heat transfer tube is installed with between the outlet end and the liquid feeding end of water ring vacuum pump of knockout drum, heat transfer tube is installed with interchanger and variable valve, outside the middle part of flash tank, is all installed with liquidometer with the outside of knockout drum.
can there be alternate outlets at the top of above-mentioned flash tank, standby pipes is installed with between alternate outlets and acetylene hose, acetylene hose is installed with the first blow-down pipe, acetylene hose between the first blow-down pipe and standby pipes is installed with variable valve, acetylene hose between online oxygen analyser and Acetylene Gas Holder is installed with the second blow-down pipe, second blow-down pipe is installed with variable valve, acetylene hose between Acetylene Gas Holder and the second blow-down pipe is installed with variable valve, nitrogen tube is installed with on the top of flash tank, nitrogen tube is installed with variable valve.
above-mentioned useless time device for processing sodium can comprise aeration tank and drain pipe, drain pipe is fixedly mounted on liquid outlet, dividing plate aeration tank being divided into Zuo Chi and right pond is had at aeration tank internal fixtion, the exit end of drain pipe is positioned at left pond, have leakage fluid dram in the bottom in left pond, leakage fluid dram is installed with pumping pipe, in right pond, internal fixtion has water cooling tower, the outlet of pumping pipe is positioned at water cooling tower, and pumping pipe is installed with pump and variable valve.
above-mentioned pumping pipe can be installed with auxiliary tube, auxiliary tube is installed with pump and variable valve, pumping pipe and auxiliary tube are all installed with arm for subsequent use, arm for subsequent use is all installed with variable valve.
above-mentioned right pond can be fixed with time sodium liquid pipe, secondary sodium liquid pipe there are pump and variable valve, secondary sodium liquid pipe are installed with time sodium liquid arm, secondary sodium liquid arm has pump and variable valve, secondary sodium liquid pipe and time sodium liquid arm are all fixed with emergent pipe, emergent pipe has variable valve.
two of technical scheme of the present invention is realized by following measures: a kind of method of the acetylene reclaimed in useless time sodium liquid, carry out in the steps below: the useless time sodium liquid containing acetylene enters in flash tank from the waste liquid import of flash tank, useless time sodium liquid containing acetylene obtains acetylene and treatment solution after resolving in flash tank, acetylene is discharged from the acetylene outlet flash tank, treatment solution is discharged from the liquid outlet of flash tank bottom, wherein: the volumetric flow rate of the useless time sodium liquid containing acetylene is 150 cubes ms/h to 170 cubes ms/h, temperature when useless the sodium liquid containing acetylene enters flash tank is 20 DEG C to 40 DEG C, pressure when useless the sodium liquid containing acetylene enters flash tank is 0.2MPa to 0.4MPa, acetylene is being 300 mg/litre to 400 mg/litre containing the concentration in the useless time sodium liquid of acetylene, pressure in flash tank is-80KPa to-50KPa, acetylene is 40 cubes ms/h to 50 cubes ms/h in the volumetric flow rate that acetylene exports, the concentration of the acetylene in treatment solution is 30 mg/litre to 80 mg/litre.
here is the further optimization and/or improvements to foregoing invention technical scheme two:
the above-mentioned useless time liquid level of sodium liquid in flash tank containing acetylene can be 0.1 times of flash tank height to 0.4 times.
the give up method of the acetylene in time sodium liquid and acetylene recovery device of recovery of the present invention can reclaim acetylene effectively, the volume percent of the rate of recovery of acetylene is 73.3% to 91.4%, decrease the waste of acetylene, and the useless time sodium of recycle and process water effectively, reduce the running cost of enterprise, reduce outer waste discharge time sodium liquid pollution on the environment.
Accompanying drawing explanation
accompanying drawing 1 is process flow sheet of the present invention.
coding in accompanying drawing is respectively: 1 is flash tank, 2 is useless time sodium liquid-inlet pipe, 3 is acetylene hose, 4 is Acetylene Gas Holder, 5 is online oxygen analyser, 6 is knockout drum, 7 is water ring vacuum pump, 8 is heat transfer tube, 9 is interchanger, 10 is variable valve, 11 is emergent pipe, 12 is liquidometer, 13 is standby pipes, 14 is the first blow-down pipe, 15 is the second blow-down pipe, 16 is nitrogen tube, 17 is drain pipe, 18 is left pond, 19 is right pond, 20 is dividing plate, 21 is pumping pipe, 22 is water cooling tower, 23 is pump, 24 is auxiliary tube, 25 is arm for subsequent use, 26 is time sodium liquid pipe, 27 is time sodium liquid arm.
Embodiment
the present invention by the restriction of following embodiment, can not determine concrete embodiment according to technical scheme of the present invention and practical situation.
in invention, for convenience of description, the description of the relative position relation of each parts is all be described according to the Butut mode of Figure of description 1 in an embodiment, as: the position relationship of upper and lower, left and right etc. determines according to the Butut direction of Figure of description.
below in conjunction with embodiment, the invention will be further described:
embodiment 1: as shown in Figure 1, this acetylene recovery device, comprise flash tank 1, flash tank 1 has waste liquid import, acetylene outlet and liquid outlet, useless time sodium liquid-inlet pipe 2 is installed with in waste liquid import, acetylene hose 3 is installed with in acetylene outlet, acetylene hose 3 is installed with Acetylene Gas Holder 4, on acetylene hose 3 between acetylene outlet and Acetylene Gas Holder 4, from a left side, the right side is sequentially installed with measurement of oxygen content device and pressurizing device, useless time device for processing sodium is installed with at liquid outlet, useless time sodium liquid-inlet pipe 2 and acetylene hose 3 are all installed with the variable valve 10 being no less than.
according to actual needs, above-mentioned acetylene recovery device can be made further optimization and/or improvements:
as shown in Figure 1, measurement of oxygen content device comprises two online oxygen analysers 5, and each online oxygen analyser 5 is fixedly mounted on acetylene hose 3; Or/and, pressurizing device comprises knockout drum 6 and two water ring vacuum pumps 7, inlet end and the acetylene hose 3 of water ring vacuum pump 7 are fixedly installed togather, the outlet side of water ring vacuum pump 7 communicates with the liquid feeding end of knockout drum 6, heat transfer tube 8 is installed with between the outlet end and the liquid feeding end of water ring vacuum pump 7 of knockout drum 6, heat transfer tube 8 is installed with interchanger 9 and variable valve 10, outside the middle part of flash tank 1, is all installed with liquidometer 12 with the outside of knockout drum 6.The setting of online oxygen analyser 5 can detect the oxygen level in acetylene hose 3 in acetylene.Useless time sodium liquid enters in flash tank 1 by useless time sodium liquid-inlet pipe 2, and acetylene enters Acetylene Gas Holder 4 by acetylene hose 3.The setting of interchanger 9 and heat transfer tube 8 can carry out heat exchange for the water ring vacuum pump 7 of work, ensures the normal operation of water ring vacuum pump 7.Entering acetylene in Water-ring vacuum with entering from knockout drum 6 enters knockout drum 6 together with the liquid in water ring vacuum pump 7 and carries out gas-liquid separation, and the acetylene after separation can enter follow-up Acetylene Gas Holder 4.The setting of liquidometer 12 is convenient to observe the liquid level in flash tank 1 and knockout drum 6.The pressure of acetylene after water ring vacuum pump 7 pressurizes is 4KPa to 6KPa, so that the conveying of acetylene.
as shown in Figure 1, alternate outlets is arranged at the top of flash tank 1, standby pipes 13 is installed with between alternate outlets and acetylene hose 3, acetylene hose 3 is installed with the first blow-down pipe 14, acetylene hose 3 between the first blow-down pipe 14 and standby pipes 13 is installed with variable valve 10, acetylene hose 3 between online oxygen analyser 5 and Acetylene Gas Holder 4 is installed with the second blow-down pipe 15, second blow-down pipe 15 is installed with variable valve 10, acetylene hose 3 between Acetylene Gas Holder 4 and the second blow-down pipe 15 is installed with variable valve 10, nitrogen tube 16 is installed with on the top of flash tank 1, nitrogen tube 16 is installed with variable valve 10.When the oxygen level volume percent that online oxygen analyser 5 detects acetylene in acetylene hose 3 is less than 0.9%, the acetylene in acetylene hose 3 is sent into Acetylene Gas Holder 4; When the oxygen level volume percent of acetylene is greater than 0.9% in acetylene hose 3, acetylene in acetylene hose 3 is entered in air by the second blow-down pipe 15, ensure that the acetylene reclaimed reaches recovery requirement thus.When there is potential safety hazard in the acetylene in flash tank 1; by nitrogen tube 16 to nitrogen injection in flash tank 1; thus the acetylene in flash tank 1 is protected, meanwhile, by the first blow-down pipe 14 and the second blow-down pipe 15, the acetylene in flash tank 1 can be carried out emptying.
as shown in Figure 1, useless time device for processing sodium comprises aeration tank and drain pipe 17, drain pipe 17 is fixedly mounted on liquid outlet, have the dividing plate 20 aeration tank being divided into left pond 18 and right pond 19 at aeration tank internal fixtion, the exit end of drain pipe 17 is positioned at left pond 18, has leakage fluid dram in the bottom in left pond 18, leakage fluid dram is installed with pumping pipe 21, in right pond 19, internal fixtion has water cooling tower 22, and the outlet of pumping pipe 21 is positioned at water cooling tower 22, and pumping pipe 21 is installed with pump 23 and variable valve 10.Aeration tank and water cooling tower 22 are existing known technology, the acetylene be dissolved in treatment solution can further be resolved by the setting of aeration tank and water cooling tower 22, reduce further the content of acetylene in treatment solution, treatment solution is made to can be used in the preparation of time sodium liquid, achieve the recycling of resource (useless time sodium liquid), the useless time sodium of recycle and process water, reduce further the running cost of enterprise effectively, reduces outer waste discharge time sodium liquid pollution on the environment.
as shown in Figure 1, pumping pipe 21 is installed with auxiliary tube 24, auxiliary tube 24 is installed with pump 23 and variable valve 10, pumping pipe 21 and auxiliary tube 24 are all installed with arm 25 for subsequent use, arm 25 for subsequent use is all installed with variable valve 10.Treatment solution in pumping pipe 21 and auxiliary tube 24 can be discharged by the setting of arm 25 for subsequent use.
as shown in Figure 1, right pond 19 is fixed with time sodium liquid pipe 26, secondary sodium liquid pipe 26 there are pump 23 and variable valve 10, secondary sodium liquid pipe 26 is installed with time sodium liquid arm 27, secondary sodium liquid arm 27 there are pump 23 and variable valve 10, secondary sodium liquid pipe 26 and time sodium liquid arm 27 are all fixed with emergent pipe 11, emergent pipe 11 has variable valve 10.Treatment solution in right pond 19 can be delivered in follow-up secondary sodium preparation process by the setting of secondary sodium liquid pipe 26 and time sodium liquid arm 27.
embodiment 2: as shown in Figure 1, this recovery is given up the method for the acetylene in time sodium liquid, carry out in the steps below: the useless time sodium liquid containing acetylene enters in flash tank 1 from the waste liquid import of flash tank 1, useless time sodium liquid containing acetylene obtains acetylene and treatment solution after resolving in flash tank 1, acetylene is discharged from the acetylene outlet flash tank 1, treatment solution is discharged from the liquid outlet of flash tank 1 bottom, wherein: the volumetric flow rate of the useless time sodium liquid containing acetylene is 150 cubes ms/h to 170 cubes ms/h, temperature when useless the sodium liquid containing acetylene enters flash tank 1 is 20 DEG C to 40 DEG C, pressure when useless the sodium liquid containing acetylene enters flash tank 1 is 0.2MPa to 0.4MPa, acetylene is being 300 mg/litre to 400 mg/litre containing the concentration in the useless time sodium liquid of acetylene, pressure in flash tank 1 is-80KPa to-50KPa, acetylene is 40 cubes ms/h to 50 cubes ms/h in the volumetric flow rate that acetylene exports, the concentration of the acetylene in treatment solution is 30 mg/litre to 80 mg/litre.The method of the acetylene that the recovery according to the present embodiment is given up in time sodium liquid can reclaim acetylene effectively, and in the present embodiment, the volume percent of the rate of recovery of acetylene is 73.3% to 91.4%, decreases the waste of acetylene, reduces the running cost of enterprise.
embodiment 3: as shown in Figure 1, this recovery is given up the method for the acetylene in time sodium liquid, carry out in the steps below: the useless time sodium liquid containing acetylene enters in flash tank 1 from the waste liquid import of flash tank 1, useless time sodium liquid containing acetylene obtains acetylene and treatment solution after resolving in flash tank 1, acetylene is discharged from the acetylene outlet flash tank 1, treatment solution is discharged from the liquid outlet of flash tank 1 bottom, wherein: the volumetric flow rate of the useless time sodium liquid containing acetylene is 150 cubes ms/h or 170 cubes ms/h, temperature when useless the sodium liquid containing acetylene enters flash tank 1 is 20 DEG C or 40 DEG C, pressure when useless the sodium liquid containing acetylene enters flash tank 1 is 0.2MPa or 0.4MPa, acetylene is being 300 mg/litre or 400 mg/litre containing the concentration in the useless time sodium liquid of acetylene, pressure in flash tank 1 is-80KPa or-50KPa, acetylene is 40 cubes ms/h or 50 cubes ms/h in the volumetric flow rate that acetylene exports, the concentration of the acetylene in treatment solution is 30 mg/litre or 80 mg/litre.
embodiment 4: be with the difference of above-described embodiment 2 and embodiment 3, the useless time liquid level of sodium liquid in flash tank 1 containing acetylene is 0.1 times to 0.4 times of flash tank 1 height.
embodiment 5: as shown in Figure 1, this recovery is given up the method for the acetylene in time sodium liquid, carry out in the steps below: the useless time sodium liquid containing acetylene enters in flash tank 1 from the waste liquid import of flash tank 1, useless time sodium liquid containing acetylene obtains acetylene and treatment solution after resolving in flash tank 1, acetylene is discharged from the acetylene outlet flash tank 1, treatment solution is discharged from the liquid outlet of flash tank 1 bottom, wherein: the volumetric flow rate of the useless time sodium liquid containing acetylene is 150 cubes ms/h, temperature when useless the sodium liquid containing acetylene enters flash tank 1 is 20 DEG C, pressure when useless the sodium liquid containing acetylene enters flash tank 1 is 0.2MPa, acetylene is being 300 mg/litre containing the concentration in the useless time sodium liquid of acetylene, pressure in flash tank 1 is-80KPa, the volumetric flow rate that acetylene exports at acetylene is 40 cubes ms/h, the concentration of the acetylene in treatment solution is 30 mg/litre.The method of the acetylene that the recovery according to the present embodiment is given up in time sodium liquid can reclaim acetylene effectively, and in the present embodiment, the volume percent of the rate of recovery of acetylene is 73.3%, decreases the waste of acetylene, reduces the running cost of enterprise.
embodiment 6: as shown in Figure 1, this recovery is given up the method for the acetylene in time sodium liquid, carry out in the steps below: the useless time sodium liquid containing acetylene enters in flash tank 1 from the waste liquid import of flash tank 1, useless time sodium liquid containing acetylene obtains acetylene and treatment solution after resolving in flash tank 1, acetylene is discharged from the acetylene outlet flash tank 1, treatment solution is discharged from the liquid outlet of flash tank 1 bottom, wherein: the volumetric flow rate of the useless time sodium liquid containing acetylene is 170 cubes ms/h, temperature when useless the sodium liquid containing acetylene enters flash tank 1 is 40 DEG C, pressure when useless the sodium liquid containing acetylene enters flash tank 1 is 0.4MPa, acetylene is being 400 mg/litre containing the concentration in the useless time sodium liquid of acetylene, pressure in flash tank 1 is-50KPa, the volumetric flow rate that acetylene exports at acetylene is 50 cubes ms/h, the concentration of the acetylene in treatment solution is 80 mg/litre.The method of the acetylene that the recovery according to the present embodiment is given up in time sodium liquid can reclaim acetylene effectively, and in the present embodiment, the volume percent of the rate of recovery of acetylene is 91.4%, decreases the waste of acetylene, reduces the running cost of enterprise.
in sum, effectively acetylene can be reclaimed according to the give up method of the acetylene in time sodium liquid and acetylene recovery device of recovery of the present invention, the volume percent of the rate of recovery of acetylene is 73.3% to 91.4%, decrease the waste of acetylene, and the useless time sodium of recycle and process water effectively, reduce the running cost of enterprise, reduce outer waste discharge time sodium liquid pollution on the environment.
above technical characteristic constitutes embodiments of the invention, and it has stronger adaptability and implementation result, can increase and decrease non-essential technical characteristic according to actual needs, meet the demand of different situations.
Claims (9)
1. an acetylene recovery device, it is characterized in that comprising flash tank, flash tank has waste liquid import, acetylene outlet and liquid outlet, useless time sodium liquid-inlet pipe is installed with in waste liquid import, acetylene hose is installed with in acetylene outlet, acetylene hose is installed with Acetylene Gas Holder, on acetylene hose between acetylene outlet and Acetylene Gas Holder, from a left side, the right side is sequentially installed with measurement of oxygen content device and pressurizing device, be installed with useless time device for processing sodium at liquid outlet, useless time sodium liquid-inlet pipe and acetylene hose are all installed with the variable valve being no less than.
2. acetylene recovery device according to claim 1, it is characterized in that measurement of oxygen content device comprises two online oxygen analysers, each online oxygen analyser is fixedly mounted on acetylene hose; Or/and, pressurizing device comprises knockout drum and two water ring vacuum pumps, inlet end and the acetylene hose of water ring vacuum pump are fixedly installed togather, the outlet side of water ring vacuum pump communicates with the liquid feeding end of knockout drum, heat transfer tube is installed with between the outlet end and the liquid feeding end of water ring vacuum pump of knockout drum, heat transfer tube is installed with interchanger and variable valve, outside the middle part of flash tank, is all installed with liquidometer with the outside of knockout drum.
3. acetylene recovery device according to claim 2, it is characterized in that alternate outlets is arranged at the top of flash tank, standby pipes is installed with between alternate outlets and acetylene hose, acetylene hose is installed with the first blow-down pipe, acetylene hose between the first blow-down pipe and standby pipes is installed with variable valve, acetylene hose between online oxygen analyser and Acetylene Gas Holder is installed with the second blow-down pipe, second blow-down pipe is installed with variable valve, acetylene hose between Acetylene Gas Holder and the second blow-down pipe is installed with variable valve, nitrogen tube is installed with on the top of flash tank, nitrogen tube is installed with variable valve.
4. the acetylene recovery device according to claim 1 or 2 or 3, it is characterized in that useless time device for processing sodium comprises aeration tank and drain pipe, drain pipe is fixedly mounted on liquid outlet, dividing plate aeration tank being divided into Zuo Chi and right pond is had at aeration tank internal fixtion, the exit end of drain pipe is positioned at left pond, leakage fluid dram is had in the bottom in left pond, leakage fluid dram is installed with pumping pipe, in right pond, internal fixtion has water cooling tower, the outlet of pumping pipe is positioned at water cooling tower, and pumping pipe is installed with pump and variable valve.
5. acetylene recovery device according to claim 4, it is characterized in that pumping pipe is installed with auxiliary tube, auxiliary tube is installed with pump and variable valve, pumping pipe and auxiliary tube are all installed with arm for subsequent use, arm for subsequent use is all installed with variable valve.
6. acetylene recovery device according to claim 4, it is characterized in that You Chishang is fixed with time sodium liquid pipe, secondary sodium liquid pipe there are pump and variable valve, secondary sodium liquid pipe is installed with time sodium liquid arm, secondary sodium liquid arm there are pump and variable valve, secondary sodium liquid pipe and time sodium liquid arm are all fixed with emergent pipe, emergent pipe has variable valve.
7. acetylene recovery device according to claim 5, it is characterized in that You Chishang is fixed with time sodium liquid pipe, secondary sodium liquid pipe there are pump and variable valve, secondary sodium liquid pipe is installed with time sodium liquid arm, secondary sodium liquid arm there are pump and variable valve, secondary sodium liquid pipe and time sodium liquid arm are all fixed with emergent pipe, emergent pipe has variable valve.
8. the method using acetylene recovery device described in claim 1 or 2 or 3 or 4 or 5 or 6 or 7 to reclaim acetylene in useless time sodium liquid, it is characterized in that carrying out in the steps below: the useless time sodium liquid containing acetylene enters in flash tank from the waste liquid import of flash tank, useless time sodium liquid containing acetylene obtains acetylene and treatment solution after resolving in flash tank, acetylene is discharged from the acetylene outlet flash tank, treatment solution is discharged from the liquid outlet of flash tank bottom, wherein: the volumetric flow rate of the useless time sodium liquid containing acetylene is 150 cubes ms/h to 170 cubes ms/h, temperature when useless the sodium liquid containing acetylene enters flash tank is 20 DEG C to 40 DEG C, pressure when useless the sodium liquid containing acetylene enters flash tank is 0.2MPa to 0.4MPa, acetylene is being 300 mg/litre to 400 mg/litre containing the concentration in the useless time sodium liquid of acetylene, pressure in flash tank is-80KPa to-50KPa, acetylene is 40 cubes ms/h to 50 cubes ms/h in the volumetric flow rate that acetylene exports, the concentration of the acetylene in treatment solution is 30 mg/litre to 80 mg/litre.
9. recovery according to claim 8 is given up the method for acetylene in time sodium liquid, it is characterized in that the useless secondary liquid level of sodium liquid in flash tank containing acetylene is 0.1 times of flash tank height to 0.4 times.
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| CN201410463574.2A CN104230630B (en) | 2014-09-12 | 2014-09-12 | The method of acetylene in acetylene recovery device and useless sodium liquid of recovery |
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Effective date of registration: 20170619 Address after: 831511 the Xinjiang Uygur Autonomous Region Changji Hui Autonomous Prefecture, Fukang City, Junggar Road No. 3188 Co-patentee after: Xinjiang Zhongtai Chemical Co., Ltd. Patentee after: XINJIANG ZHONGTAI CHEMICAL FUKANG ENERGY CO., LTD. Co-patentee after: Xinjiang Zhongtai chemical Limited by Share Ltd, Xinjiang Zhongtai (Group) Co., Ltd. Address before: 831511 the Xinjiang Uygur Autonomous Region Changji Hui Autonomous Prefecture, Fukang City, Junggar Road No. 3188 Patentee before: Xinjiang Zhongtai Chemical Co., Ltd. |