CN205172856U - Natural gas adds liquid pump - Google Patents
Natural gas adds liquid pump Download PDFInfo
- Publication number
- CN205172856U CN205172856U CN201520948165.1U CN201520948165U CN205172856U CN 205172856 U CN205172856 U CN 205172856U CN 201520948165 U CN201520948165 U CN 201520948165U CN 205172856 U CN205172856 U CN 205172856U
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- Prior art keywords
- liquid
- feed liquor
- pump
- valve
- pump chamber
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- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The utility model relates to an adding the liquid pump, especially having related to a natural gas adds liquid pump, its pump body includes the pump case, is equipped with the pump chamber in the pump case, is equipped with the feed liquor pipe with the pump chamber intercommunication on the pump case, be equipped with the piston in the pump chamber, be used for drawing the piston in a pull rod stretches into the pump chamber from upper portion, be equipped with the feed liquor valve in the piston, the inlet that becomes to be used for feed liquor valve feed liquor is constructed to the piston upper end, the feed liquor valve includes and is equipped with liquid inlet flow channel on the feed liquor baffle by the feed liquor baffle, and liquid inlet flow channel passes a feed liquor case from bottom to top, and the protruding portion of feed liquor case is equipped with and upwards supports the first spring of pressing with the feed liquor case, the pump chamber bottom is equipped with out the liquid valve, goes out the liquid valve and including a liquid disk seat, is equipped with out the liquid case in the play liquid disk seat, goes out the liquid case and supports the pressure on the intercommunication mouth of a liquid disk seat and pump chamber bottom through a second spring. The utility model discloses not only be applicable to car liquid feeding system, still be applicable to long distance transportation, can regard as on the bank the equipment of the mutual transport between cryogenic liquids basin and liquefied natural gas boats and ships.
Description
Technical field
The utility model relates to a kind of fluid filling pump, has particularly related to a kind of rock gas fluid filling pump.
Background technique
After natural gas via purified treatment, deep cooling is to-162 DEG C at ambient pressure, and by gaseous state liquefy, be called LNG Liquefied natural gas, the volume of LNG Liquefied natural gas is about 1/620 of the rock gas volume of equal in quality, and weight is about about 45% of consubstantiality ponding.Existing liquefied natural gas filling station mostly is skid-mounted, the benefit of skid-mounted is: 1, maneuverability, owing to not relying on gas distributing system, only need can deliver LNG as source of the gas with LNG tank car, in standing, all manufacturing equipments are all arranged on a sledge block, overall dimensions is less, and be convenient to mobile, mobility is high; 2, safety, environmental protection, energy consumption is low, LNG have passed through purified treatment, need not compress, cool, dewater, device that the power consumption such as desulfurization is larger, natural gas purification equipment and air compressor is eliminated in whole production technology, greatly reduce auxiliary facility, not only saved equipment manufacturing cost, and shortened the construction period; 3, automaticity is high, easy to operate, is furnished with automatic control system, and the processes such as data capture, combustible gas monitoring, Superpressure stop and low pressure turn on pump complete all automatically, simple to operation.
Existing rock gas fluid filling pump sled adopts immersed pump more, infiltrative type centrifugal pump secondary or level Four, distance between pump and confession liquid storage tank is at 2 ~ 4 meters, feed flow, fluid, return-air duct many employings vacuum pipe, its H-Max is about 250M, inlet outlet pressure differential is about 0.86MPa (G), needs the clean positive pressure head 1.8m of import, is mostly applicable to automobile liquid feeding system.Due to the restriction structurally of existing rock gas fluid filling pump sled, make its Applicable scope comparatively narrow.
Summary of the invention
In order to solve the problems of the technologies described above, model utility of the present invention is solved by following technical proposals:
Rock gas fluid filling pump, it comprises the pump housing, and the pump housing comprises pump case, is provided with pump chamber in pump case, and pump case is provided with the liquid inlet pipe be communicated with pump chamber; Be provided with piston in pump chamber, a pull bar stretches into from top in pump chamber for drawing piston; Be configured with the cavity that Open Side Down in piston, be provided with liquid feed valve in described cavity, piston upper end is configured for the liquid entering hole of liquid feed valve feed liquor; Liquid feed valve comprises feed liquor baffle plate, and feed liquor baffle plate is provided with feed liquor runner, and feed liquor runner is from bottom to top through a feed liquor spool, and the protuberance of feed liquor spool is provided with the first spring upwards compressed by feed liquor spool; Be provided with liquid valve bottom pump chamber, liquid valve comprises fluid valve seat, is provided with fluid spool in fluid valve seat, and fluid spool is pressed on the connecting port bottom fluid valve seat and pump chamber by one second spring.
Liquid feed valve of the present utility model is located in internal piston cavity, piston upper end is configured for the liquid entering hole of liquid feed valve feed liquor, liquid feed valve liquid feed valve comprises feed liquor baffle plate, feed liquor baffle plate is provided with feed liquor runner, feed liquor runner is from bottom to top through a feed liquor spool, and the protuberance of feed liquor spool is provided with the first spring upwards compressed by feed liquor spool.Be provided with liquid valve bottom pump chamber, liquid valve comprises fluid valve seat, is provided with fluid spool in fluid valve seat, and fluid spool is pressed on the connecting port bottom fluid valve seat and pump chamber by one second spring.This structure makes, the utility model in use, the LNG Liquefied natural gas flowed into from liquid inlet pipe is full of in upper piston area pump chamber, when pull bar drives piston to move up, the pump chamber of piston lower portion is negative pressure, the elastic force that feed liquor spool overcomes the first spring is subjected to displacement downwards thus makes liquid feed valve conducting, and the LNG Liquefied natural gas now in upper piston area pump chamber flows into the pump chamber of piston lower portion through liquid feed valve; Afterwards, pull bar drives piston to move down, and liquid feed valve ends, and under the effect of the LNG Liquefied natural gas in piston lower portion pump chamber, fluid spool overcomes the second spring and moves down, liquid valve conducting, and the LNG Liquefied natural gas in piston lower portion pump chamber flows out through liquid valve; Along with the to-and-fro motion of piston, the utility model repeats above-mentioned action, thus realizes the liquid feeding process of LNG Liquefied natural gas.
The utility model is owing to adopting the said structure design of liquid feed valve and liquid valve, make the utility model and can between 2 ~ 20 meters for the distance between liquid storage tank, liquid supply pressure can reach 0.8 ~ 2.5MPa, feed flow distance can reach more than 500 meters, clean malleation header value requires lower, thus make of the present utility modelly possess preferably flexibility, automobile liquid feeding system, boats and ships liquid feeding system etc. can be applied to.
The effective drift diameter of liquid feed valve is greater than the latus rectum of liquid inlet pipe.
The effective drift diameter of liquid feed valve of the present utility model can be greater than the latus rectum of liquid inlet pipe, and this design can meet the flow rates demand that liquid flows at liquid feed valve and liquid inlet pipe place, makes the liquid in pump chamber preferably can flow through liquid feed valve.
The lower end of feed liquor spool is configured for the outward opening cone rod shape sealing feed liquor runner, and on the sealing surface of feed liquor spool, structure is provided with the low temperature resistant wear-resistant alloy layer of one deck.
The upper end of fluid spool is configured for the swing-in cone rod shape sealing connecting port bottom fluid valve seat and pump chamber, and on the sealing surface of fluid spool, structure is provided with the low temperature resistant wear-resistant alloy layer of one deck.
The lower end of feed liquor spool of the present utility model is configured for the outward opening cone rod shape sealing feed liquor runner, the upper end of fluid spool is configured for the swing-in cone rod shape sealing connecting port bottom fluid valve seat and pump chamber, on the sealing surface of liquid feed valve and liquid valve, equal structure is provided with the low temperature resistant wear-resistant alloy layer of one deck, and this design makes liquid feed valve of the present utility model and fluid spool not only possess preferably sealability can also possess the working life being better than existing valve body.
Accompanying drawing explanation
Fig. 1 is the structural representation of the rock gas fluid filling pump pump housing in embodiment 1;
Fig. 2 is the structural representation of embodiment 1 transmission case.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is described in further detail.
Embodiment 1
Existing technical staff should be understood that, the noun of locality such as such as " upper end ", " lower end " etc. in the present embodiment is only with reference to accompanying drawing direction, it is only used to be convenient to describe the utility model, is not thus appreciated that restriction of the present utility model.
As shown in Figure 1, be the rock gas fluid filling pump of the present embodiment.It comprises the pump housing 100, and the pump housing 100 comprises pump case 110, is provided with pump chamber 111 in pump case 110, and pump case 110 is provided with the liquid inlet pipe 150 be communicated with pump chamber 111, is provided with piston 120 in pump chamber 111; One pull bar 160 stretches into from top for drawing piston 120 in pump chamber 111, and pull bar 160 upper end is configured to joint 161; Be configured with the cavity that Open Side Down in piston 120, be provided with liquid feed valve 140 in described cavity, piston 120 upper end is configured for the liquid entering hole 121 of liquid feed valve 140 feed liquor; Liquid feed valve 140 comprises feed liquor baffle plate 141, and feed liquor baffle plate 141 is provided with feed liquor runner, and feed liquor runner is from bottom to top through a feed liquor spool 142, and the protuberance of feed liquor spool 142 is provided with the first spring 143 upwards compressed by feed liquor spool 142; Liquid valve 130 is provided with bottom pump chamber 111, liquid valve 130 comprises fluid valve seat 131, fluid spool 132 is provided with in fluid valve seat 131, fluid spool 132 is pressed on the connecting port bottom fluid valve seat 131 and pump chamber 111 by one second spring 133, and the second spring 133 is positioned on fluid valve seat 131 by fluid baffle plate 134.
The effective drift diameter of liquid feed valve 140 is greater than the latus rectum of liquid inlet pipe 150.The lower end of feed liquor spool 142 is configured for the outward opening cone rod shape sealing feed liquor runner, and on the sealing surface of feed liquor spool 142, structure is provided with the low temperature resistant wear-resistant alloy layer of one deck.The upper end of fluid spool 132 is configured for the swing-in cone rod shape sealing connecting port bottom fluid valve seat 131 and pump chamber 111, and on the sealing surface of fluid spool 132, structure is provided with the low temperature resistant wear-resistant alloy layer of one deck.
In the present embodiment, the outside of piston 120 is arranged with seal ring, and liquid inlet pipe 150 connects feed liquid pipeline, and liquid valve 130 goes out to connect fluid pipeline, feed liquid pipeline, fluid pipeline all adopt prefabricated wrapping pipeline, thus ensure that LNG Liquefied natural gas can not absorb heat and meet accident in liquid feeding process.
The pump housing 100 of the present embodiment is when normally working, and along with moving up and down of piston 120, following working procedure is carried out in circulation:
1, feed liquor process, now, the pump chamber 111 on piston 120 top flows into LNG Liquefied natural gas from liquid inlet pipe 150, piston 120 upward sliding under the effect of pull bar 160; Because piston 120 lower pumping chamber 111 is in negative pressure state, feed liquor spool 142 overcomes the first spring 143 and moves down, and the LNG Liquefied natural gas in the pump chamber 111 on piston 120 top flows into piston 120 lower pumping chamber through liquid entering hole 121, liquid feed valve 140;
2, fluid process, now, piston 120 upward sliding under the effect of pull bar 160; Along with in piston 120 lower pumping chamber, the hydraulic pressure of LNG Liquefied natural gas uprises gradually, and fluid spool 132 overcomes the second spring 133 and moves down, thus the LNG Liquefied natural gas liquid in-out valve 130 in piston 120 lower pumping chamber is flowed out.
Feed liquor process and fluid process are carried out in the pump housing 100 circulation of the present embodiment, thus achieve the liquid adding functions of the rock gas fluid filling pump of the present embodiment.The pump housing 100 fluid pressure of this enforcement can bring up to more than 1.6MPa, the length of fluid pipeline can reach 500 meters, this makes the rock gas fluid filling pump of the present embodiment not be only applicable to automobile liquid feeding system, and be applicable to long distance delivery, can be used as the equipment of the mutual conveying on the bank between cryogenic liquid tank and liquefied natural gas (LNG) ship.
As shown in Figure 2, in the present embodiment for driving the schematic diagram of the transmission case 200 of the pump housing 100.Wherein, transmission case 200 has belt pulley 210 input power, and by bent axle 220 outputting power, bent axle 220 drivening rod 230, connecting rod 230 is connected by crosshead 240 with pull bar 160 upper end joint 161.By above-mentioned structure, transmission case 200 can drive pull bar 160 to-and-fro motion, thus achieves the liquid feeding process of the pump housing 100.
In a word, the foregoing is only preferred embodiment of the present utility model, all equalizations done according to the utility model claim change and modify, and all should belong to the covering scope of the utility model patent.
Claims (4)
1. rock gas fluid filling pump, it is characterized in that: comprise the pump housing (100), the pump housing (100) comprises pump case (110), be provided with pump chamber (111) in pump case (110), pump case (110) is provided with the liquid inlet pipe (150) be communicated with pump chamber (111); Be provided with piston (120) in pump chamber (111), a pull bar (160) stretches into from top in pump chamber (111) for drawing piston (120); Piston is configured with the cavity that Open Side Down in (120), is provided with liquid feed valve (140) in described cavity, and piston (120) upper end is configured for the liquid entering hole (121) of liquid feed valve (140) feed liquor; Liquid feed valve (140) comprises feed liquor baffle plate (141), feed liquor baffle plate (141) is provided with feed liquor runner, feed liquor runner is from bottom to top through a feed liquor spool (142), and the protuberance of feed liquor spool (142) is provided with the first spring (143) upwards compressed by feed liquor spool (142); Pump chamber (111) bottom is provided with liquid valve (130), liquid valve (130) comprises fluid valve seat (131), be provided with fluid spool (132) in fluid valve seat (131), fluid spool (132) is pressed on fluid valve seat (131) with on the connecting port of pump chamber (111) bottom by one second spring (133).
2. rock gas fluid filling pump according to claim 1, is characterized in that: the effective drift diameter of liquid feed valve (140) is greater than the latus rectum of liquid inlet pipe (150).
3. rock gas fluid filling pump according to claim 1, it is characterized in that: the lower end of feed liquor spool (142) is configured for sealing the outward opening cone rod shape of feed liquor runner, and on the sealing surface of feed liquor spool (142), structure is provided with the low temperature resistant wear-resistant alloy layer of one deck.
4. rock gas fluid filling pump according to claim 1, it is characterized in that: the upper end of fluid spool (132) is configured for sealing the swing-in cone rod shape of fluid valve seat (131) and pump chamber (111) bottom connecting port, and on the sealing surface of fluid spool (132), structure is provided with the low temperature resistant wear-resistant alloy layer of one deck.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520948165.1U CN205172856U (en) | 2015-11-24 | 2015-11-24 | Natural gas adds liquid pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520948165.1U CN205172856U (en) | 2015-11-24 | 2015-11-24 | Natural gas adds liquid pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205172856U true CN205172856U (en) | 2016-04-20 |
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ID=55736858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520948165.1U Expired - Fee Related CN205172856U (en) | 2015-11-24 | 2015-11-24 | Natural gas adds liquid pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205172856U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107701384A (en) * | 2017-11-17 | 2018-02-16 | 德帕姆(杭州)泵业科技有限公司 | Three piston type reciprocating pumps |
| CN108443138A (en) * | 2018-05-14 | 2018-08-24 | 成都兴民科技有限公司 | Reciprocating cryogenic pump feed liquor valve arrangement |
| CN112401767A (en) * | 2019-08-20 | 2021-02-26 | 江苏美的清洁电器股份有限公司 | Cleaning box assembly and dust and gas treatment equipment with same |
-
2015
- 2015-11-24 CN CN201520948165.1U patent/CN205172856U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107701384A (en) * | 2017-11-17 | 2018-02-16 | 德帕姆(杭州)泵业科技有限公司 | Three piston type reciprocating pumps |
| CN108443138A (en) * | 2018-05-14 | 2018-08-24 | 成都兴民科技有限公司 | Reciprocating cryogenic pump feed liquor valve arrangement |
| CN112401767A (en) * | 2019-08-20 | 2021-02-26 | 江苏美的清洁电器股份有限公司 | Cleaning box assembly and dust and gas treatment equipment with same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210906 Address after: 313000 Chengnan Industrial Park, Heping Town, Changxing County, Huzhou City, Zhejiang Province Patentee after: Zhejiang Tailian Low Temperature Technology Co.,Ltd. Address before: 310000 Cangqian Jie Dao Yong Le Cun, Yuhang District, Hangzhou City, Zhejiang Province Patentee before: HANGZHOU TAILIAN LOW-TEMPERATURE EQUIPMENT Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160420 Termination date: 20211124 |