CN204327469U - Gas compressor set - Google Patents
Gas compressor set Download PDFInfo
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- CN204327469U CN204327469U CN201420693646.8U CN201420693646U CN204327469U CN 204327469 U CN204327469 U CN 204327469U CN 201420693646 U CN201420693646 U CN 201420693646U CN 204327469 U CN204327469 U CN 204327469U
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- natural gas
- hydraulic oil
- gas compressor
- oil tank
- compressor unit
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- 239000010720 hydraulic oil Substances 0.000 claims abstract description 35
- 239000003921 oil Substances 0.000 claims 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract description 90
- 239000003345 natural gas Substances 0.000 abstract description 45
- 238000007789 sealing Methods 0.000 abstract description 9
- 230000032683 aging Effects 0.000 abstract description 6
- 230000008439 repair process Effects 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 230000009965 odorless effect Effects 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000029305 taxis Effects 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
本实用新型公开了一种天然气压缩机组，包括：液压缸、与所述液压缸管路连通的液压油泵和与所述液压油泵管路连通的液压油箱，还包括：所述液压油箱上的微差压控制器和与所述微差压控制器通信连接的PLC控制器。从上述技术方案可以看出，本实用新型提供的天然气压缩机组，在天然气压缩机组液压油箱上安装微差压控制器。如果液压缸内密封圈发生老化或损伤，天然气在高压作用下容易通过损伤或老化密封圈沿管路进入液压油箱，液压油箱内部会出现压力波动，微压差传感器检测到液压油箱内的压力波动，将信号传送给PLC控制系统，工作人员根据PLC控制器上的信息判断天然气泄露，及时对天然气压缩机组进行维修，避免发生事故，消除安全隐患。
The utility model discloses a natural gas compressor unit, which comprises: a hydraulic cylinder, a hydraulic oil pump connected with the pipeline of the hydraulic cylinder, and a hydraulic oil tank connected with the pipeline of the hydraulic oil pump; A differential pressure controller and a PLC controller communicated with the micro differential pressure controller. It can be seen from the above technical solutions that in the natural gas compressor unit provided by the utility model, a differential pressure controller is installed on the hydraulic oil tank of the natural gas compressor unit. If the sealing ring in the hydraulic cylinder is aging or damaged, natural gas will easily enter the hydraulic oil tank through the damaged or aging sealing ring and enter the hydraulic oil tank along the pipeline under high pressure, and there will be pressure fluctuations inside the hydraulic oil tank. , The signal is transmitted to the PLC control system, and the staff judges the natural gas leakage according to the information on the PLC controller, and repairs the natural gas compressor unit in time to avoid accidents and eliminate potential safety hazards.
Description
技术领域technical field
本实用新型涉及天然气技术领域，特别涉及一种天然气压缩机组。The utility model relates to the technical field of natural gas, in particular to a natural gas compressor unit.
背景技术Background technique
天然气是无色无味无毒的气体，具有热值高，燃烧稳定，洁净环保和价格便宜等优势，常用来用作为城市公交、出租车、短途运输的替代燃料。Natural gas is a colorless, odorless and non-toxic gas with high calorific value, stable combustion, clean and environmentally friendly, and low price. It is often used as an alternative fuel for urban buses, taxis, and short-distance transportation.
市场对天然气的需求日益增多，从而天然气加气子站的需求也相应增加，但是由于天然气无色无味，扩散到空气中不易察觉，当空气中天然气的浓度达到5％-15％时，遇明火会发生爆炸，存在一定的安全隐患。The demand for natural gas in the market is increasing day by day, so the demand for natural gas refueling sub-stations also increases accordingly. However, since natural gas is colorless and odorless, it is difficult to detect when it diffuses into the air. When the concentration of natural gas in the air reaches 5%-15%. There will be an explosion, and there will be certain safety hazards.
压缩机是加气子站必备的装置，主要用来对移动气源(即槽车)中的压缩天然气卸下并进行加压处理，在压缩机的液压缸上设置有密封圈，如果密封圈发生老化或损伤，天然气在高压作用下很容易通过老化或者损伤的密封圈沿液压管线进入液压油箱，液压油箱与外界通过呼吸器连通，造成天然气的泄露，存在一定的安全隐患。The compressor is an essential device for the gas filling sub-station. It is mainly used to unload and pressurize the compressed natural gas in the mobile gas source (that is, the tank car). There is a sealing ring on the hydraulic cylinder of the compressor. If it is sealed The sealing ring is aged or damaged, and natural gas can easily enter the hydraulic oil tank through the aging or damaged sealing ring along the hydraulic pipeline under high pressure.
因此，如何降低由于天然气泄露造成的加气子站存在的安全隐患，成为本领域技术人员亟待解决的技术问题。Therefore, how to reduce the potential safety hazard of the gas filling sub-station due to natural gas leakage has become a technical problem to be solved urgently by those skilled in the art.
实用新型内容Utility model content
有鉴于此，本实用新型提供了一种天然气压缩机组，以降低由于天然气泄露造成的加气子站存在的安全隐患。In view of this, the utility model provides a natural gas compressor unit to reduce the potential safety hazards in the gas filling sub-stations caused by natural gas leakage.
为实现上述目的，本实用新型提供如下技术方案：In order to achieve the above object, the utility model provides the following technical solutions:
一种天然气压缩机组，包括：液压缸、与所述液压缸管路连通的液压油泵和与所述液压油泵管路连通的液压油箱，还包括：所述液压油箱上的微差压控制器和与所述微差压控制器通信连接的PLC控制器。A natural gas compressor unit, comprising: a hydraulic cylinder, a hydraulic oil pump communicated with the pipeline of the hydraulic cylinder, and a hydraulic oil tank communicated with the pipeline of the hydraulic oil pump, and further comprising: a differential pressure controller on the hydraulic oil tank and A PLC controller communicatively connected with the micro-differential pressure controller.
优选的，在上述天然气压缩机组中，还包括与所述PLC控制器通信连接的报警器。Preferably, in the above-mentioned natural gas compressor unit, an alarm device communicatively connected with the PLC controller is also included.
优选的，在上述天然气压缩机组中，所述报警器为蜂鸣报警器。Preferably, in the above natural gas compressor unit, the alarm is a buzzer alarm.
优选的，在上述天然气压缩机组中，所述微差压控制器与所述液压油箱通过引压管连接。Preferably, in the above-mentioned natural gas compressor unit, the differential pressure controller is connected to the hydraulic oil tank through a pressure introduction pipe.
从上述技术方案可以看出，本实用新型提供的天然气压缩机组，在天然气压缩机组液压油箱上安装微差压控制器。如果液压缸内密封圈发生老化或损伤，天然气会在高压作用下通过损伤或老化密封圈沿管路进入液压油箱，液压油箱内部会出现压力波动，微差压控制器检测到液压油箱内的压力波动，将信号传送给PLC控制器，工作人员根据PLC控制器上的报警信息判断天然气泄露，及时对天然气压缩机组进行维修，避免发生事故，消除安全隐患。It can be seen from the above technical solutions that the natural gas compressor unit provided by the utility model is equipped with a differential pressure controller on the hydraulic oil tank of the natural gas compressor unit. If the sealing ring in the hydraulic cylinder is aged or damaged, the natural gas will enter the hydraulic oil tank through the damaged or aging sealing ring under high pressure along the pipeline, and there will be pressure fluctuations inside the hydraulic oil tank, and the differential pressure controller will detect the pressure in the hydraulic oil tank Fluctuation, the signal is sent to the PLC controller, and the staff judges the natural gas leakage according to the alarm information on the PLC controller, and repairs the natural gas compressor unit in time to avoid accidents and eliminate potential safety hazards.
附图说明Description of drawings
为了更清楚地说明本实用新型实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本实用新型的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings based on these drawings without creative work.
图1为本实用新型实施例提供的天然气压缩机组的结构示意图。Fig. 1 is a schematic structural diagram of a natural gas compressor unit provided by an embodiment of the utility model.
1、液压缸，2、液压油泵，3、液压油箱，4、微差压控制器，5、PLC控制器。1. Hydraulic cylinder, 2. Hydraulic oil pump, 3. Hydraulic oil tank, 4. Micro differential pressure controller, 5. PLC controller.
具体实施方式Detailed ways
本实用新型公开了一种天然气压缩机组，以降低由于天然气泄露造成的加气子站存在的安全隐患。The utility model discloses a natural gas compressor unit, which is used to reduce the potential safety hazards in gas filling sub-stations caused by natural gas leakage.
下面将结合本实用新型实施例中的附图，对本实用新型实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本实用新型一部分实施例，而不是全部的实施例。基于本实用新型中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本实用新型保护的范围。The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.
请参阅图1，图1为本实用新型实施例提供的天然气压缩机组的结构示意图。Please refer to FIG. 1 , which is a schematic structural diagram of a natural gas compressor unit provided by an embodiment of the present invention.
一种天然气压缩机组，包括：液压缸1、与液压缸1管路连通的液压油泵2和与液压油泵2管路连通的液压油箱3，还包括设置在液压油箱3上的微差压控制器4和与微差压控制器4通信连接的PLC控制器5。A natural gas compressor unit, comprising: a hydraulic cylinder 1, a hydraulic oil pump 2 connected to the pipeline of the hydraulic cylinder 1, and a hydraulic oil tank 3 connected to the pipeline of the hydraulic oil pump 2, and a differential pressure controller arranged on the hydraulic oil tank 3 4 and a PLC controller 5 that is communicatively connected with the micro-differential pressure controller 4.
本方案的改进主要是在天然气压缩机组内设置微差压控制器4，主要保护微差压控制器4与天然气压缩机组的连接关系，重点不是在PLC控制器5，PLC控制器5为现有技术中常用的控制器。The improvement of this scheme is mainly to set the micro-differential pressure controller 4 in the natural gas compressor unit, mainly to protect the connection relationship between the micro-differential pressure controller 4 and the natural gas compressor unit, and the focus is not on the PLC controller 5, which is the existing Controllers commonly used in technology.
天然气压缩机组内液压油箱3、液压油泵2、液压缸1通过管路连接成封闭循环，如果液压缸内密封圈发生老化或损伤，天然气在高压作用下容易通过损伤或老化密封圈沿管路进入液压油箱，液压油箱内部会出现压力波动，微压差传感器检测到液压油箱内的压力波动，将信号传送给PLC控制系统，工作人员根据PLC控制器上的报警信息判断天然气泄露，及时对天然气压缩机组进行维修，避免发生事故，消除安全隐患，如果天然气泄露严重，则采取停机处理。本方案提供的装置，在天然气发生泄漏时，可以及时检测到泄露信息，从而可以有效的对天然气压缩机组进行维修处理，减少了通过与液压油箱连通的呼吸器泄露到空气中的天然气的量，从而降低了由于天然气泄露造成的加气子站存在的安全隐患。The hydraulic oil tank 3, hydraulic oil pump 2, and hydraulic cylinder 1 in the natural gas compressor unit are connected by pipelines to form a closed cycle. If the sealing ring in the hydraulic cylinder is aging or damaged, natural gas is easy to enter through the damaged or aging sealing ring along the pipeline under high pressure. Hydraulic oil tank, there will be pressure fluctuations inside the hydraulic oil tank. The micro-pressure difference sensor detects the pressure fluctuations in the hydraulic oil tank and transmits the signal to the PLC control system. The staff judges the natural gas leakage according to the alarm information on the PLC controller, and compresses the natural gas in time. The unit is maintained to avoid accidents and eliminate potential safety hazards. If the natural gas leakage is serious, it will be shut down. The device provided by this scheme can detect the leakage information in time when natural gas leaks, so that the natural gas compressor unit can be effectively repaired and the amount of natural gas leaked into the air through the respirator connected with the hydraulic oil tank can be reduced. Thereby, the potential safety hazards in the gas filling sub-stations caused by natural gas leakage are reduced.
为了能够及时提醒工作人员维修，还包括与PLC控制器5通信连接的报警器，为了保证能够随时掌握压缩机组的情况，以便发生泄漏时可以及时进行维修，工作人员需要一直在PLC控制器5前观察，工作人员容易疲劳，并且也会在一定程度上造成劳动力的浪费，为了降低工作人员的劳动强度，设置与PLC控制器5通信连接的报警器，当检测到天然气泄露后，报警器报警，通知工作人员对天然气压缩机组进行维修。In order to remind the staff to maintain in time, it also includes an alarm connected to the PLC controller 5, in order to ensure that the situation of the compressor unit can be grasped at any time, so that maintenance can be carried out in time when leakage occurs, the staff needs to be in front of the PLC controller 5 all the time Observe that the staff is prone to fatigue, and will also cause a waste of labor to a certain extent. In order to reduce the labor intensity of the staff, an alarm connected to the PLC controller 5 is set. When a natural gas leak is detected, the alarm will alarm. Notify the staff to repair the natural gas compressor unit.
优选的，报警器为蜂鸣报警器，蜂鸣报警器发出声音，能够及时提醒工作人员，且使用方便，成本低。Preferably, the alarm is a buzzer alarm, which emits a sound, which can remind the staff in time, and is convenient to use and low in cost.
为了保证微差压控制器4与液压油箱3的连接强度，微差压控制器4与液压油箱3通过引压管固定连接，安装简单方便；或者微差压控制器4与液压油箱3螺纹连接。In order to ensure the connection strength between the micro-differential pressure controller 4 and the hydraulic oil tank 3, the micro-differential pressure controller 4 and the hydraulic oil tank 3 are fixedly connected through a pressure pipe, and the installation is simple and convenient; or the micro-differential pressure controller 4 and the hydraulic oil tank 3 are threaded. .
对所公开的实施例的上述说明，使本领域专业技术人员能够实现或使用本实用新型。对这些实施例的多种修改对本领域的专业技术人员来说将是显而易见的，本文中所定义的一般原理可以在不脱离本实用新型的精神或范围的情况下，在其它实施例中实现。因此，本实用新型将不会被限制于本文所示的这些实施例，而是要符合与本文所公开的原理和新颖特点相一致的最宽的范围。The above description of the disclosed embodiments enables those skilled in the art to realize or use the utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.
Claims (4)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420693646.8U CN204327469U (en) | 2014-11-17 | 2014-11-17 | Gas compressor set |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420693646.8U CN204327469U (en) | 2014-11-17 | 2014-11-17 | Gas compressor set |
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| CN204327469U true CN204327469U (en) | 2015-05-13 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107917107A (en) * | 2017-11-20 | 2018-04-17 | 杰瑞石油天然气工程有限公司 | A kind of supercharging mode of expansion tank or top petrol tank |
| CN108758331A (en) * | 2018-05-07 | 2018-11-06 | 杰瑞石油天然气工程有限公司 | A kind of hydraulic piston type natural gas compressor group oil return superpressure detection bleeder |
| CN112855511A (en) * | 2020-12-30 | 2021-05-28 | 自贡通达机器制造有限公司 | Natural gas hydraulic compressor |
-
2014
- 2014-11-17 CN CN201420693646.8U patent/CN204327469U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107917107A (en) * | 2017-11-20 | 2018-04-17 | 杰瑞石油天然气工程有限公司 | A kind of supercharging mode of expansion tank or top petrol tank |
| CN108758331A (en) * | 2018-05-07 | 2018-11-06 | 杰瑞石油天然气工程有限公司 | A kind of hydraulic piston type natural gas compressor group oil return superpressure detection bleeder |
| CN112855511A (en) * | 2020-12-30 | 2021-05-28 | 自贡通达机器制造有限公司 | Natural gas hydraulic compressor |
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