CN203810036U - Automatic loading system of leakage-free loading arms of liquefied chlorine tank truck - Google Patents
Automatic loading system of leakage-free loading arms of liquefied chlorine tank truck Download PDFInfo
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- CN203810036U CN203810036U CN201420210140.7U CN201420210140U CN203810036U CN 203810036 U CN203810036 U CN 203810036U CN 201420210140 U CN201420210140 U CN 201420210140U CN 203810036 U CN203810036 U CN 203810036U
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- chlorine
- liquid chlorine
- filling
- liquid
- stopping valve
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Abstract
The utility model discloses an automatic loading system of leakage-free loading arms of a liquefied chlorine tank truck. The automatic loading system is connected with a liquefied chlorine tank of the tank truck and a liquefied chlorine storage tank of a user to carry out liquefied chlorine loading operation; a liquid phase filling opening and a gas phase pump-back opening are formed in the top of the liquefied chlorine tank of the tank truck; the liquid phase filling opening is communicated with the liquefied chlorine storage tank through a liquid phase leakage-free loading arm of the liquefied chlorine and the gas phase pump-back opening is communicated with a chlorine recycling treatment device through a gas phase leakage-free loading arm of the liquefied chlorine. The automatic loading system is mainly applied when the liquefied chlorine is filled into the tank truck through the leakage-free loading arms; an explosion separation batch controller is used for switching each pneumatic stop valve to realize liquefied chlorine filling and excessive pumping-back and for measuring the pressures, temperatures and flow rates of liquefied chlorine and gasified chlorine in each pipeline, so that the purpose of automatic metering, quantitative control, safe measuring and interlocking during filling is realized.
Description
Technical field
The utility model belongs to the technical field that fills of liquefaction hazardous chemical, and particularly a kind of liquefied chlorine cistern car is without leaking oil filling riser automatic loading system.
Background technique
Liquid chlorine medium has severe toxicity, volatile, strong oxidizer, combustion improver, mix with other inflammable gas and easily produce the physicochemical characteristics such as explosion risk, and it is a kind of important basic material, and filling of liquid chlorine is essential.The leakage problem solving in liquid chlorine filling process is most important.At present domesticly to substantially also filling of liquefied chlorine cistern car, complete, manually under condition, adopting metallic hose, hard tube and common entrucking oil filling riser to fill, the universal connecting joint of entrucking oil filling riser is without containment measures, without safety interlocks such as antistatic, anti-leaks; To filling excess also without good solution; In filling process without the detection interlock of pressure, temperature; To filling flow velocity also without controlling interlocking.In simple terms to the filling process of liquefied chlorine cistern car without safety interlocking monitoring measure, have great potential safety hazard.
According to office of < < the State Council Safety Committee, about the instruction peace committee of further reinforcement hazardous chemical safety in production, do (2008) No. 26 > > and " at hazardous chemical tank car, fill link; promote the use of the universal pipe-line system that fills and replace filling flexible pipe, ban use of flexible pipe to fill the liquefaction hazardous chemicals such as liquid chlorine, liquefied ammonia, liquefied petroleum gas (LPG), LNG Liquefied natural gas.”
Therefore, adopt entrucking without leaking oil filling riser and using automatic safe interlocking ration loading system very necessary.Along with industrial expansion, the particularly development of chemical industry for making chlorine and alkali, liquid chlorine Regular loading truck control system has wide market prospects, and it just escorts the filling process for poisonous and harmful substances such as liquid chlorines safely.
Model utility content
Goal of the invention of the present utility model is: for the problem of above-mentioned existence, provide a kind of can be directly to the filling liquefied chlorine cistern car of liquid chlorine closed quantitative without leaking oil filling riser automatic loading system.
The technical solution of the utility model is achieved in that liquefied chlorine cistern car is without leaking oil filling riser automatic loading system, be connected with liquid chlorine tank on tank car and user's liquid chlorine storage tank, it is characterized in that: in the liquid chlorine tank top of described tank car, be provided with liquid phase filling exit and gas phase pumpback mouth, described liquid phase filling exit is communicated with without leaking oil filling riser one end with liquid chlorine liquid phase, described liquid chlorine liquid phase is communicated with liquid chlorine filling pipeline one end without leaking the oil filling riser the other end, the described liquid chlorine filling pipeline the other end is communicated with liquid chlorine storage tank by liquid chlorine pump, on described liquid chlorine filling pipeline, along liquid chlorine filling direction, be disposed with the first pneumatic stopping valve, the first mass flowmenter and the second pneumatic stopping valve, described gas phase pumpback mouth is communicated with without leaking oil filling riser one end with liquid chlorine gas phase, described liquid chlorine gas phase is communicated with negative pressure aspiration line one end without leaking the oil filling riser the other end, the described negative pressure aspiration line the other end is communicated with chlorine recycling and processing device by vacuum pump, in described negative pressure aspiration line, be provided with the 3rd pneumatic stopping valve, described the first pneumatic stopping valve, the second pneumatic stopping valve, the 3rd pneumatic stopping valve and the first mass flowmenter are electrically connected to flame proof batch controller respectively.
Liquefied chlorine cistern car described in the utility model is without leaking oil filling riser automatic loading system, described in it, liquid chlorine liquid phase is crossed liquid chlorine filling excess pumpback pipeline access chlorine recycling and processing device or liquid chlorine storage tank without leaking oil filling riser with the device for cleaning pipeline of the corresponding connection of the second pneumatic stopping valve, on described liquid chlorine filling excess pumpback pipeline, be disposed with the 4th pneumatic stopping valve and the second mass flowmenter along liquid chlorine pumpback direction, described the 4th pneumatic stopping valve and the second mass flowmenter are electrically connected to flame proof batch controller respectively.
Liquefied chlorine cistern car described in the utility model is without leaking oil filling riser automatic loading system, and it is provided with pressure vacuum gauge in described negative pressure aspiration line, and described pressure vacuum gauge is electrically connected to flame proof batch controller.
Liquefied chlorine cistern car described in the utility model is without leaking oil filling riser automatic loading system, on its pipeline being communicated with without leakage oil filling riser one end with liquid chlorine liquid phase at described liquid phase filling exit, be provided with liquid phase stop valve, on the pipeline being communicated with without leakage oil filling riser one end with liquid chlorine gas phase at described gas phase pumpback mouth, be provided with gas phase stop valve, described liquid chlorine liquid phase is crossed five pneumatic stopping valve connection without leaking oil filling riser with the corresponding device for cleaning pipeline being connected of the 3rd pneumatic stopping valve with pipeline and the described liquid chlorine gas phase of the corresponding connection of the first pneumatic stopping valve without leaking oil filling riser, described the 5th pneumatic stopping valve is electrically connected to flame proof batch controller.
Liquefied chlorine cistern car described in the utility model is without leaking oil filling riser automatic loading system, it is provided with liquid chlorine filling thermometer and liquid chlorine filling pressure gauge on described liquid chlorine filling pipeline, between the first mass flowmenter and the second pneumatic stopping valve, and described liquid chlorine filling thermometer and liquid chlorine filling pressure gauge are electrically connected to flame proof batch controller respectively.
Liquefied chlorine cistern car described in the utility model is without leaking oil filling riser automatic loading system, it is provided with thermometer, pressure gauge and level meter on the liquid chlorine tank of described tank car, and described thermometer, pressure gauge and level meter can be electrically connected to flame proof batch controller respectively under the condition with signal output.
The utility model is mainly used in liquid chlorine and leaks oil filling riser in filling process in tank car by nothing, utilize flame proof batch controller to realize filling of liquid chlorine and excess pumpback to the switching of each pneumatic stopping valve, simultaneously, utilize the detection of flame proof batch controller to the pressure of the gentle state chlorine of liquid chlorine in each pipeline, temperature, flow, realize autoweighing in filling process, quantitatively control and the object of safety detection interlocking.
Owing to having adopted technique scheme, the beneficial effects of the utility model are:
1, adopt special-purpose without leaking oil filling riser, in case chlorine leakage; At universal connecting joint place, adopt again nitrogen envelope technique, further guarantee that the leak free oil filling riser of chlorine fills, meet national relevant regulations, also reduced the impact on environment.
2, quantitatively fill the danger of excess while preventing from filling.
3, filling technique has automation to detect interlocked control, ensures filling process safety.
4, excess pumpback is controlled automatically, the disposal prediction scheme while having introduced excess.
5, emergency stop protection system, guarantees whole system safe operation.
Accompanying drawing explanation
Fig. 1 is connection of the present utility model and controls schematic diagram.
Mark in figure: 1 is tank car, 2 is liquid chlorine storage tank, 3 is liquid phase filling exit, 4 is gas phase pumpback mouth, 5 is that liquid chlorine liquid phase is without leaking oil filling riser, 6 is liquid chlorine filling pipeline, 7 is liquid chlorine pump, 8 is the first pneumatic stopping valve, 9 is the first mass flowmenter, 10 is the second pneumatic stopping valve, 11 is that liquid chlorine gas phase is without leaking oil filling riser, 12 is negative pressure aspiration line, 13 is vacuum pump, 14 is chlorine recycling and processing device, 15 is the 3rd pneumatic stopping valve, 16 is flame proof batch controller, 17 is liquid chlorine filling excess pumpback pipeline, 18 is the 4th pneumatic stopping valve, 19 is the second mass flowmenter, 20 is pressure vacuum gauge, 21 is liquid phase stop valve, 22 is gas phase stop valve, 23 is the 5th pneumatic stopping valve, 24 is liquid chlorine filling thermometer, 25 is liquid chlorine filling pressure gauge, 26 is thermometer, 27 is pressure gauge, 28 is level meter.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in detail.
In order to make the purpose of this utility model, technological scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
As shown in Figure 1, liquefied chlorine cistern car is without leaking oil filling riser automatic loading system, be connected with liquid chlorine tank on tank car 1 and user's liquid chlorine storage tank 2, in the liquid chlorine tank top of described tank car 1, be provided with liquid phase filling exit 3 and gas phase pumpback mouth 4, described liquid phase filling exit 3 is communicated with without leaking oil filling riser 5 one end with liquid chlorine liquid phase, described liquid chlorine liquid phase is communicated with liquid chlorine filling pipeline 6 one end without leaking oil filling riser 5 the other ends, described liquid chlorine filling pipeline 6 the other ends are communicated with liquid chlorine storage tank 2 by liquid chlorine pump 7, on described liquid chlorine filling pipeline 6, along liquid chlorine filling direction, be disposed with the first pneumatic stopping valve 8, the first mass flowmenter 9 and the second pneumatic stopping valve 10, on described liquid chlorine filling pipeline 6, between the first mass flowmenter 9 and the second pneumatic stopping valve 10, be provided with liquid chlorine filling thermometer 24 and liquid chlorine filling pressure gauge 25, described gas phase pumpback mouth 4 is communicated with without leaking oil filling riser 11 one end with liquid chlorine gas phase, described liquid chlorine gas phase is communicated with negative pressure aspiration line 12 one end without leaking oil filling riser 11 the other ends, described negative pressure aspiration line 12 the other ends are communicated with chlorine recycling and processing device 14 by vacuum pump 13, are provided with the 3rd pneumatic stopping valve 15 and pressure vacuum gauge 20 in described negative pressure aspiration line 12.
Wherein, described liquid chlorine liquid phase is crossed liquid chlorine filling excess pumpback pipeline 17 without leakage oil filling riser 5 with the device for cleaning pipeline of the corresponding connection of the second pneumatic stopping valve 10 and is communicated with chlorine recycling and processing device 14 or with liquid chlorine storage tank 2, on described liquid chlorine filling excess pumpback pipeline 17, along liquid chlorine pumpback direction, be disposed with the 4th pneumatic stopping valve 18 and the second mass flowmenter 19, on the pipeline being communicated with without leakage oil filling riser 5 one end with liquid chlorine liquid phase at described liquid phase filling exit 3, be provided with liquid phase stop valve 21, on the pipeline being communicated with without leakage oil filling riser 11 one end with liquid chlorine gas phase at described gas phase pumpback mouth 4, be provided with gas phase stop valve 22, described liquid chlorine liquid phase is crossed five pneumatic stopping valve 23 connections without leaking oil filling riser 11 with the corresponding device for cleaning pipeline being connected of the 3rd pneumatic stopping valve 15 with pipeline and the described liquid chlorine gas phase of the corresponding connection of the first pneumatic stopping valve 8 without leaking oil filling riser 5, on the liquid chlorine tank of described tank car 1, be provided with thermometer 26, pressure gauge 27 and level meter 28.
Wherein, described the first pneumatic stopping valve 8, the second pneumatic stopping valve 10, the 3rd pneumatic stopping valve 15, the 4th pneumatic stopping valve 18, the 5th pneumatic stopping valve 23, the first mass flowmenter 9, the second mass flowmenter 19 and pressure vacuum gauge 20, liquid chlorine filling thermometer 24 and liquid chlorine filling pressure gauge 25 are electrically connected to flame proof batch controller 16 respectively, and described thermometer 26, pressure gauge 27 and level meter 28 can be electrically connected to flame proof batch controller 16 respectively under the condition with signal output.
The utility model is by liquid chlorine filling pipeline, negative pressure aspiration line, liquid chlorine filling excess pumpback pipeline, static while obtaining the liquid chlorine of malleation, negative pressure gaseous state chlorine and quantitative filling, pressure, temperature, flow, valve, filling, without the value of leaking oil filling riser etc., carry out safety interlocking control to filling pipeline valve, filling without the feedback signal that leaks oil filling riser, dispenser pump equipment; The utility model is according to the Back ground Information of liquefied chlorine cistern car and pre-loading amount information acquisition preliminary filling loading amount, and automatic data acquisition and calculation flow meter signal also real-time and preliminary filling loading amount is compared, and the respective valves of output control simultaneously completes quantitatively and fills; Because liquid chlorine has severe toxicity, the utility model solved annotate can the automatic recovery after excessive to the difficult problem of recycling can.When filling is excessive, startup system pumpback function, by system acquisition pumpback pipeline flux signal, through conversion, obtain absolute value, and according to the feedback signal of corresponding logical condition and pumpback pipeline valve, pumpback entrucking arm, pumping unit, carry out chain control and complete excessive, the urgent pumpback process of filling; Fill in process pipelines and only have oil filling riser at universal joint place, may produce leakage because need rotate, the liquid chlorine that the utility model adopts solves without leaking oil filling riser and nitrogen envelope technique, can realize oil filling riser and moving part without leakage.
Loading method of the present utility model, comprises the following steps:
A), liquid chlorine liquid phase is connected with gas phase pumpback mouth with the liquid phase filling exit of tank car respectively without leaking oil filling riser with liquid chlorine gas phase without leaking oil filling riser, now liquid phase stop valve and gas phase stop valve are all in closed condition;
B), gas phase stop valve is opened, and by flame proof batch controller, control the 3rd pneumatic stopping valve and open, start subsequently vacuum pump, liquid chlorine tank on tank car is extracted into negative-pressure vacuum state, flame proof batch controller passes through pressure vacuum gauge automatic monitoring measuring pressure state after vacuum, keep vacuum state to continue set time, when this state, the first pneumatic stopping valve, the second pneumatic stopping valve, the 4th pneumatic stopping valve and the 5th pneumatic stopping valve are all in closed condition;
C), by flame proof batch controller, controlling the 3rd pneumatic stopping valve closes, and close gas phase stop valve simultaneously, then open liquid phase stop valve, and cross flame proof batch controller and control the first pneumatic stopping valve and the unlatching of the second pneumatic stopping valve, start subsequently liquid chlorine pump, the liquid chlorine autoweighing adding amount after the first mass flowmenter of flowing through, when liquid chlorine tank internal pressure reaches capping, intermittently open gas phase pipeline and by the pumpback of liquid chlorine vaporizing part, said process is answered dosage until liquid chlorine tank car is filled into repeatedly, completes the filling of liquid chlorine; If the filling amount of liquid chlorine has surpassed the amount of filling actual requirement in liquid chlorine tank, by flame proof batch controller, controlling the 4th pneumatic stopping valve opens, liquid chlorine in liquid chlorine tank is by liquid chlorine filling excess pumpback pipe flow will autoweighing pumpback amount after the second mass flowmenter, when in liquid chlorine tank, liquid chlorine reaches filling weight requirement, flame proof batch controller is controlled the 4th pneumatic stopping valve and is closed, and completes the excess pumpback of liquid chlorine.
After completing liquefied chlorine loading, liquid phase stop valve and gas phase stop valve are in closed condition, by flame proof batch controller control the 5th pneumatic stopping valve and the 3rd pneumatic stopping valve, open, and the first pneumatic stopping valve, the second pneumatic stopping valve and the 4th pneumatic stopping valve are closed, start subsequently vacuum pump, by remaining in liquid chlorine liquid phase, without leaking oil filling riser and liquid chlorine gas phase, without the liquid chlorine and the chlorine that leak in oil filling riser, be extracted in chlorine recycling and processing device.
In whole pouring process, flame proof batch controller can detect temperature, pressure and the liquid level of liquid chlorine in tank car liquid chlorine tank, flame proof batch controller detects the flow of the temperature in liquid chlorine filling pipeline, pressure and liquid chlorine, flame proof batch controller detects the liquid chlorine flow in the vacuum pressure in negative pressure aspiration line and liquid chlorine filling excess pumpback pipeline, completes to liquefied chlorine cistern car the automatic safety interlocked control in filling overall process.In filling process, any warning is closed valve, termination of pumping by interlock control system, suspends to fill and start associated safety and protects equipment.
Major function of the present utility model:
(1) liquefied chlorine cistern car is filled to overall process and carry out automatic safety interlocked control.
(2) realize the automatically quantitative of liquefied chlorine cistern car is filled.
(3) guarantee that entrucking process is without leakage: adopt special-purpose without leaking oil filling riser, in case chlorine leakage; At the universal connecting joint of oil filling riser, place adopts again nitrogen envelope technique, further guarantees that chlorine is without leakage, guarantees that the mobilizable position of oil filling riser is without leakage.
(4) temperature detection interlocking: the temperature to liquid chlorine in filling process detects interlocked control.
(5) Pressure testing safety interlocking: the pressure to liquid chlorine in filling process detects interlocked control.
(6) electrostatic detection safety interlocking: the static due to the mobile generation of fluid in filling process is detected to interlocked control.
(7) permissible velocity detects safety interlocking: to filling flow velocity, detect interlocked control.
(8) excess pumpback function: have " excess pumpback " automatic control function to filling excess.
(9) concentration of toxic gases detects safety interlocking: to filling district, have flammable and toxic gas detection interlocked control, the concentration automatic pause that transfinites fills.
(10) oil filling riser detection safety interlocking in place: whether oil filling riser is in place a detection interlocked control to filling, and cannot start entrucking operation when oil filling riser is not in place.
(11) stop in emergency: be provided with on-the-spot emergency stop protection, in emergency circumstances press emergency stop push button and can end entrucking process.
(12) entrucking process data automatically records, adds up, inquiry, report generation and printing.
(13) graphical display function: entrucking process pipelines flow process and each meter status, data show in real time with graphics mode.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (6)
1. liquefied chlorine cistern car is without leaking oil filling riser automatic loading system, be connected with liquid chlorine tank on tank car (1) and user's liquid chlorine storage tank (2), it is characterized in that: in the liquid chlorine tank top of described tank car (1), be provided with liquid phase filling exit (3) and gas phase pumpback mouth (4), described liquid phase filling exit (3) is communicated with without leaking oil filling riser (5) one end with liquid chlorine liquid phase, described liquid chlorine liquid phase is communicated with liquid chlorine filling pipeline (6) one end without leaking oil filling riser (5) the other end, described liquid chlorine filling pipeline (6) the other end is communicated with liquid chlorine storage tank (2) by liquid chlorine pump (7), on described liquid chlorine filling pipeline (6), along liquid chlorine filling direction, be disposed with the first pneumatic stopping valve (8), the first mass flowmenter (9) and the second pneumatic stopping valve (10), described gas phase pumpback mouth (4) is communicated with without leaking oil filling riser (11) one end with liquid chlorine gas phase, described liquid chlorine gas phase is communicated with negative pressure aspiration line (12) one end without leaking oil filling riser (11) the other end, described negative pressure aspiration line (12) the other end is communicated with chlorine recycling and processing device (14) by vacuum pump (13), in described negative pressure aspiration line (12), be provided with the 3rd pneumatic stopping valve (15), described the first pneumatic stopping valve (8), the second pneumatic stopping valve (10), the 3rd pneumatic stopping valve (15) and the first mass flowmenter (9) are electrically connected to flame proof batch controller (16) respectively.
2. liquefied chlorine cistern car according to claim 1 is without leaking oil filling riser automatic loading system, it is characterized in that: described liquid chlorine liquid phase is crossed liquid chlorine filling excess pumpback pipeline (17) access chlorine recycling and processing device or liquid chlorine storage tank without leaking oil filling riser (5) with the device for cleaning pipeline of the corresponding connection of the second pneumatic stopping valve (10), on described liquid chlorine filling excess pumpback pipeline (17), along liquid chlorine pumpback direction, be disposed with the 4th pneumatic stopping valve (18) and the second mass flowmenter (19), described the 4th pneumatic stopping valve (18) and the second mass flowmenter (19) are electrically connected to flame proof batch controller (16) respectively.
3. liquefied chlorine cistern car according to claim 2 is without leaking oil filling riser automatic loading system, it is characterized in that: in described negative pressure aspiration line (12), be provided with pressure vacuum gauge (20), described pressure vacuum gauge (20) is electrically connected to flame proof batch controller (16).
4. liquefied chlorine cistern car according to claim 2 is without leaking oil filling riser automatic loading system, it is characterized in that: on the pipeline being communicated with without leakage oil filling riser (5) one end with liquid chlorine liquid phase at described liquid phase filling exit (3), be provided with liquid phase stop valve (21), on the pipeline being communicated with without leakage oil filling riser (11) one end with liquid chlorine gas phase at described gas phase pumpback mouth (4), be provided with gas phase stop valve (22), described liquid chlorine liquid phase is crossed five pneumatic stopping valve (23) connection without leaking oil filling riser (11) with the corresponding device for cleaning pipeline being connected of the 3rd pneumatic stopping valve (15) with pipeline and the described liquid chlorine gas phase of the corresponding connection of the first pneumatic stopping valve (8) without leaking oil filling riser (5), described the 5th pneumatic stopping valve (23) is electrically connected to flame proof batch controller (16).
According to the liquefied chlorine cistern car described in any one in claim 1 to 4 without leaking oil filling riser automatic loading system, it is characterized in that: between, the first mass flowmenter (9) upper at described liquid chlorine filling pipeline (6) and the second pneumatic stopping valve (10), be provided with liquid chlorine filling thermometer (24) and liquid chlorine filling pressure gauge (25), described liquid chlorine filling thermometer (24) and liquid chlorine filling pressure gauge (25) are electrically connected to flame proof batch controller (16) respectively.
6. liquefied chlorine cistern car according to claim 5 is without leaking oil filling riser automatic loading system, it is characterized in that: on the liquid chlorine tank of described tank car (1), be provided with thermometer (26), pressure gauge (27) and level meter (28), described thermometer (26), pressure gauge (27) and level meter (28) can be electrically connected to flame proof batch controller (16) respectively under the condition with signal output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420210140.7U CN203810036U (en) | 2014-04-28 | 2014-04-28 | Automatic loading system of leakage-free loading arms of liquefied chlorine tank truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420210140.7U CN203810036U (en) | 2014-04-28 | 2014-04-28 | Automatic loading system of leakage-free loading arms of liquefied chlorine tank truck |
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| Publication Number | Publication Date |
|---|---|
| CN203810036U true CN203810036U (en) | 2014-09-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420210140.7U Withdrawn - After Issue CN203810036U (en) | 2014-04-28 | 2014-04-28 | Automatic loading system of leakage-free loading arms of liquefied chlorine tank truck |
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| CN (1) | CN203810036U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103939735A (en) * | 2014-04-28 | 2014-07-23 | 中国成达工程有限公司 | Automatic loading system and loading method of leakage-free loading arms of liquefied chlorine tank truck |
| CN110980629A (en) * | 2019-12-31 | 2020-04-10 | 宁夏丰华生物科技有限公司 | Liquid chlorine unloading crane pipe tail gas recycling process |
| CN111977603A (en) * | 2020-09-17 | 2020-11-24 | 中国石油化工股份有限公司西北油田分公司 | Crane tube loading metering system |
| CN114212748A (en) * | 2021-12-17 | 2022-03-22 | 灵谷化工集团有限公司 | Filling device for automatic ammonia water preparation and filling method thereof |
-
2014
- 2014-04-28 CN CN201420210140.7U patent/CN203810036U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103939735A (en) * | 2014-04-28 | 2014-07-23 | 中国成达工程有限公司 | Automatic loading system and loading method of leakage-free loading arms of liquefied chlorine tank truck |
| CN103939735B (en) * | 2014-04-28 | 2016-06-29 | 中国成达工程有限公司 | Liquefied chlorine cistern car No leakage oil filling riser automatic loading system and loading method thereof |
| CN110980629A (en) * | 2019-12-31 | 2020-04-10 | 宁夏丰华生物科技有限公司 | Liquid chlorine unloading crane pipe tail gas recycling process |
| CN111977603A (en) * | 2020-09-17 | 2020-11-24 | 中国石油化工股份有限公司西北油田分公司 | Crane tube loading metering system |
| CN111977603B (en) * | 2020-09-17 | 2022-02-22 | 中国石油化工股份有限公司西北油田分公司 | Crane tube loading metering system |
| CN114212748A (en) * | 2021-12-17 | 2022-03-22 | 灵谷化工集团有限公司 | Filling device for automatic ammonia water preparation and filling method thereof |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20140903 Effective date of abandoning: 20160629 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |