CN215335805U - Methyl chloride quick unloading device - Google Patents
Methyl chloride quick unloading device Download PDFInfo
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- CN215335805U CN215335805U CN202120398832.9U CN202120398832U CN215335805U CN 215335805 U CN215335805 U CN 215335805U CN 202120398832 U CN202120398832 U CN 202120398832U CN 215335805 U CN215335805 U CN 215335805U
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- unloading
- methyl chloride
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Abstract
The utility model discloses a chloromethane rapid unloading device, which comprises a tank car, a gas phase line, an unloading pump and an automatic regulating valve, wherein the tank car is provided with a gas phase line; continuously supplying gas with preset pressure in the gas phase line, wherein the preset pressure is greater than the working pressure required by the tank car; the inlet of the automatic regulating valve is in conductive connection with a gas phase line, the outlet of the automatic regulating valve is in conductive connection with the tank car, and the automatic regulating valve is used for regulating the pressure of the tank car to be working pressure; the unloading pump is connected with the discharge opening of the tank wagon in a conduction way. During the use, last the supplying is greater than the required operating pressure's of tank wagon gas in the gas phase line, and automatic regulating valve adjusts the pressure of introducing the tank wagon to the operating pressure within range of tank wagon to realize supplying with the stability of tank wagon pressure, and then realize the continuity and unload, avoid intermittent type nature to unload, improved the efficiency of unloading. In addition, the utility model avoids using a supercharger, avoids the reaction of chloromethane and the supercharger to release toxic gas, and eliminates potential safety hazard.
Description
Technical Field
The utility model relates to the technical field of unloading devices, in particular to a chloromethane rapid unloading device.
Background
At present, methyl chloride unloading is generally carried out by nitrogen stamping, nitrogen is pressurized by a nitrogen booster pump (an aluminum diaphragm pump) and then is filled into a tank car, the highest pressure which can be reached is 0.6Mpa, and the pressure of the tank car can be continuously reduced because the amount of the nitrogen filled into the tank car is lower than the unloading amount, and finally, because the pressure is reduced (less than 0.5Mpa) and is less than the saturated vapor pressure of the methyl chloride, the inlet of the unloading pump is not vaporized, the unloading can not be continuously carried out, and only intermittent unloading can be carried out.
Because the unloading is carried out intermittently, the unloading time is too long (more than 4 hours), the production efficiency is reduced, and the manpower, material resources and cost are improved.
In addition, because the nitrogen booster pump is an aluminum product, chloromethane can burn and generate heat and release toxic gas when encountering aluminum and aluminum alloy, and potential safety hazards exist in safety production.
Therefore, how to improve the unloading efficiency and reduce the unloading safety hidden trouble is a technical problem to be solved urgently by the technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention provides a chloromethane rapid unloading device, which can improve the unloading efficiency and reduce the potential safety hazard of unloading.
In order to achieve the above object, the present invention provides the following solutions:
a chloromethane rapid unloading device comprises a tank car, a gas phase line, an unloading pump and an automatic regulating valve;
continuously supplying gas with preset pressure in the gas phase line, wherein the preset pressure is greater than the working pressure required by the tank car;
the inlet of the automatic regulating valve is in conductive connection with the gas phase line, the outlet of the automatic regulating valve is in conductive connection with the tank car, and the automatic regulating valve is used for regulating the pressure of the tank car to be the working pressure;
the unloading pump is in conduction connection with the discharge opening of the tank wagon.
In a specific embodiment, the methyl chloride rapid unloading device further comprises a rapid cut-off valve;
the inlet of the quick cut-off valve is in conductive connection with the outlet of the automatic regulating valve, and the outlet of the quick cut-off valve is in conductive connection with the pressurizing port of the tank car;
when the pressure at the outlet of the automatic regulating valve is greater than the safety pressure, the inlet of the quick cut-off valve is automatically disconnected with the outlet of the quick cut-off valve.
In another specific embodiment, the gas in the gas phase line is methyl chloride.
In another specific embodiment, the methyl chloride rapid unloading apparatus further comprises a methyl chloride-containing tower;
and the outlet of the chloromethane-containing tower is in conductive connection with the inlet of the gas phase line.
In another specific embodiment, the methyl chloride rapid unloading apparatus further comprises a press line;
the entry of press line with the entry turn-on connection of gas phase line, the export of press line with the pressurization mouth turn-on connection of tank wagon, automatically regulated valve with quick cut-off valve all installs on the press line.
In another specific embodiment, the methyl chloride rapid unloading device further comprises a press line hand valve;
the press line hand valve is installed on the press line, the inlet of the press line hand valve is communicated with the gas phase line, and the outlet of the press line hand valve is communicated with the inlet of the automatic adjusting valve.
In another specific embodiment, the methyl chloride rapid unloading device further comprises an unloading line;
the inlet of the unloading line is in conductive connection with the discharge opening of the tank car, and the outlet of the unloading line is in conductive connection with the inlet of the unloading pump.
In another specific embodiment, the methyl chloride rapid unloading device further comprises a storage tank;
and the inlet of the storage tank is in conductive connection with the outlet of the unloading pump.
In another specific embodiment, the predetermined pressure is greater than or equal to 1.3 MPa.
In another specific embodiment, the working pressure is 0.8 MPa;
the safety pressure is less than or equal to 0.9 MPa.
The various embodiments according to the utility model can be combined as desired, and the embodiments obtained after these combinations are also within the scope of the utility model and are part of the specific embodiments of the utility model.
When the chloromethane rapid unloading device provided by the utility model is used, gas with the working pressure larger than the required working pressure of the tank car is continuously supplied in the gas phase line, and the automatic regulating valve regulates the pressure introduced into the tank car to be within the working pressure range of the tank car so as to realize the stability of the pressure supplied to the tank car, further realize continuous unloading, avoid intermittent unloading and improve the unloading efficiency. In addition, the utility model avoids using a supercharger, avoids the reaction of chloromethane and the supercharger to release toxic gas, and eliminates potential safety hazard.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without novelty work.
Fig. 1 is a schematic view of a methyl chloride rapid unloading device provided by the utility model.
Wherein, in fig. 1:
the system comprises a tank car 1, a gas phase line 2, an unloading pump 3, an automatic regulating valve 4, a quick cut-off valve 5, a chloromethane-containing tower 6, a stamping line 7, a unloading line 8 and a storage tank 9.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the position or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in figure 1, the utility model provides a methyl chloride quick unloading device, wherein the methyl chloride quick unloading device comprises a tank car 1, a gas phase line 2, an unloading pump 3 and an automatic regulating valve 4.
The gas phase line 2 is continuously supplied with gas with preset pressure, and the preset pressure is greater than the required working pressure of the tank car 1.
The inlet of the automatic regulating valve 4 is in conduction connection with the gas phase line 2, the outlet of the automatic regulating valve 4 is in conduction connection with the tank car 1, and the automatic regulating valve 4 is used for regulating the pressure of the tank car 1 to be working pressure. The unloading pump 3 is connected with the discharge opening of the tank wagon 1 in a conduction way.
In the unloading process, when the pressure of the tank car 1 is greater than the working pressure, the automatic regulating valve 4 is automatically closed, the unloading pump 3 is started to unload, and when the pressure of the tank car 1 is less than the working pressure, the automatic regulating valve 4 is automatically opened to supplement the pressure.
When the methyl chloride rapid unloading device provided by the utility model is used, methyl chloride gas with the working pressure larger than the required working pressure of the tank car 1 is continuously supplied in the gas phase line 2, and the automatic regulating valve 4 regulates the pressure introduced into the tank car 1 to the working pressure range of the tank car 1, so that the stability of the pressure supplied to the tank car 1 is realized, the continuous unloading is further realized, the intermittent unloading is avoided, and the unloading efficiency is improved. In addition, the utility model avoids using a supercharger, avoids the reaction of chloromethane and the supercharger to release toxic gas, and eliminates potential safety hazard.
In some embodiments, the chloromethane rapid unloading device further comprises a rapid cut-off valve 5, wherein an inlet of the rapid cut-off valve 5 is in conduction connection with an outlet of the automatic regulating valve 4, and an outlet of the rapid cut-off valve 5 is in conduction connection with a pressurizing port of the tank wagon 1. When the pressure at the outlet of the automatic regulating valve 4 is greater than the safety pressure, the inlet of the quick cut-off valve 5 is automatically disconnected from the outlet of the quick cut-off valve 5. When the automatic regulating valve 4 fails and the tank car 1 continuously punches to exceed the safe pressure value, the quick cut-off valve 5 is automatically cut off, so that continuous and safe unloading is realized.
In some embodiments, the gas in gas phase line 2 is methyl chloride, and because the ram gas used is of the same composition as the depressurization gas within tanker 1, tanker 1 is not contaminated.
It should be noted that the gas in the gas phase line 2 is methyl chloride, which is only one preferred embodiment of the present invention, and in practical applications, nitrogen or the like may be selected instead of methyl chloride.
In some embodiments, the methyl chloride rapid unloading device further comprises a methyl chloride-containing tower 6, and an outlet of the methyl chloride-containing tower 6 is in conductive connection with an inlet of the gas phase line 2. I.e. the methyl chloride-containing column 6 provides a continuous and stable supply of methyl chloride to the gas phase line 2.
In some embodiments, the chloromethane rapid unloading device further comprises a stamping line 7, an inlet of the stamping line 7 is in conductive connection with an inlet of the gas phase line 2, an outlet of the stamping line 7 is in conductive connection with a pressurizing port of the tank car 1, the automatic regulating valve 4 and the rapid cut-off valve 5 are both installed on the stamping line 7, and the stamping line 7 is convenient to communicate with the gas phase line 2.
Furthermore, the utility model discloses a chloromethane rapid unloading device which further comprises a stamping line hand valve, wherein the stamping line hand valve is arranged on the stamping line 7, the inlet of the stamping line hand valve is communicated with the gas phase line 2, and the outlet of the stamping line hand valve is communicated with the inlet of the automatic regulating valve 4. The press line hand valve is used for controlling the on-off of the press line 7 and the gas phase line 2.
In some embodiments, the chloromethane rapid unloading device further comprises an unloading line 8, wherein an inlet of the unloading line 8 is in conductive connection with the discharge port of the tank wagon 1, and an outlet of the unloading line 8 is in conductive connection with an inlet of the unloading pump 3. The unloading line 8 is convenient for the rapid disassembly and assembly of the unloading pump 3 and the tank wagon 1.
In some embodiments, the methyl chloride rapid unloading device further comprises a storage tank 9, and an inlet of the storage tank 9 is in communication connection with an outlet of the unloading pump 3 for storing the methyl chloride.
In some embodiments, the present disclosure specifically discloses that the predetermined pressure is greater than or equal to 1.3 MPa; the working pressure is more than 0.8MPa and less than 0.9 MPa; the safe pressure is less than or equal to 0.9 MPa.
The above data is a preferred embodiment disclosed in the present invention, and in practical applications, the setting may be increased or decreased as needed.
The utility model has the following advantages:
(1) the chloromethane-containing tower 6 containing chloromethane gas phase is used for introducing the gas phase into the unloading platform for stamping when the tank wagon 1 is unloaded, and the tank wagon 1 and the storage tank 9 cannot be polluted because of the same components;
(2) the automatic regulating valve 4 and the quick cut-off valve 5 are arranged, so that the unloading safety is ensured; the gas phase pressure can meet the requirement of continuous unloading, the unloading time is saved by 2-3 hours, and the working efficiency is improved; meanwhile, an unloading compressor, a pressurizing device and nitrogen are omitted, the power consumption cost of the device is reduced, and the nitrogen cost is also reduced.
It should be noted that the words indicating the orientation, such as the upper and lower, are set in the direction in which the chloromethane quick-unloading device is used, and are not defined in other specific meanings for convenience of description.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.
Claims (10)
1. A chloromethane rapid unloading device is characterized by comprising a tank car, a gas phase line, an unloading pump and an automatic regulating valve;
continuously supplying gas with preset pressure in the gas phase line, wherein the preset pressure is greater than the working pressure required by the tank car;
the inlet of the automatic regulating valve is in conductive connection with the gas phase line, the outlet of the automatic regulating valve is in conductive connection with the tank car, and the automatic regulating valve is used for regulating the pressure of the tank car to be the working pressure;
the unloading pump is in conduction connection with the discharge opening of the tank wagon.
2. The methyl chloride rapid unloading device of claim 1, further comprising a rapid shut-off valve;
the inlet of the quick cut-off valve is in conductive connection with the outlet of the automatic regulating valve, and the outlet of the quick cut-off valve is in conductive connection with the pressurizing port of the tank car;
when the pressure at the outlet of the automatic regulating valve is greater than the safety pressure, the inlet of the quick cut-off valve is automatically disconnected with the outlet of the quick cut-off valve.
3. The methyl chloride rapid unloading device of claim 1, wherein the gas in the gas phase line is methyl chloride.
4. The methyl chloride rapid unloading device of claim 1, further comprising a methyl chloride-containing tower;
and the outlet of the chloromethane-containing tower is in conductive connection with the inlet of the gas phase line.
5. The methyl chloride rapid unloading device of claim 2, further comprising a stamping line;
the entry of press line with the entry turn-on connection of gas phase line, the export of press line with the pressurization mouth turn-on connection of tank wagon, automatically regulated valve with quick cut-off valve all installs on the press line.
6. The methyl chloride rapid unloading device of claim 5, further comprising a press line hand valve;
the press line hand valve is installed on the press line, the inlet of the press line hand valve is communicated with the gas phase line, and the outlet of the press line hand valve is communicated with the inlet of the automatic adjusting valve.
7. The methyl chloride rapid unloading device of claim 1, further comprising an unloading line;
the inlet of the unloading line is in conductive connection with the discharge opening of the tank car, and the outlet of the unloading line is in conductive connection with the inlet of the unloading pump.
8. The methyl chloride rapid unloading device of claim 7, further comprising a storage tank;
and the inlet of the storage tank is in conductive connection with the outlet of the unloading pump.
9. The methyl chloride rapid unloading device of claim 1, wherein the preset pressure is greater than or equal to 1.3 MPa.
10. The methyl chloride rapid unloading device of claim 2, wherein the working pressure is 0.8 MPa;
the safety pressure is less than or equal to 0.9 MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120398832.9U CN215335805U (en) | 2021-02-23 | 2021-02-23 | Methyl chloride quick unloading device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120398832.9U CN215335805U (en) | 2021-02-23 | 2021-02-23 | Methyl chloride quick unloading device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215335805U true CN215335805U (en) | 2021-12-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120398832.9U Active CN215335805U (en) | 2021-02-23 | 2021-02-23 | Methyl chloride quick unloading device |
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| CN (1) | CN215335805U (en) |
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2021
- 2021-02-23 CN CN202120398832.9U patent/CN215335805U/en active Active
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