CN201273174Y - Self-pressing type medicine-adding apparatus - Google Patents
Self-pressing type medicine-adding apparatus Download PDFInfo
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- CN201273174Y CN201273174Y CNU2008202218595U CN200820221859U CN201273174Y CN 201273174 Y CN201273174 Y CN 201273174Y CN U2008202218595 U CNU2008202218595 U CN U2008202218595U CN 200820221859 U CN200820221859 U CN 200820221859U CN 201273174 Y CN201273174 Y CN 201273174Y
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Abstract
The utility model relates to a drug-adding device for adding drugs such as paraffin remover and the like into wells from wellheads in oil well fields, in particular to a self-pressure drug-adding device, which is characterized in that a cylinder and a hydraulic cylinder of the drug-adding device are of a integrally communicated cylinder body, and commonly share a blowhole, wherein the diameter of the cylinder is larger than the diameter of the hydraulic cylinder, a piston is connected in the cylinder in the sliding fit mode, and a piston is also connected in the hydraulic cylinder in the siding fit mode, and the piston in the cylinder and the piston in the hydraulic cylinder commonly use the same piston rod, and the diameter of the piston of the cylinder is larger than that of the piston of the hydraulic cylinder, an air inlet is arranged on a cover plate of the cylinder, a drug outlet with a control valve and a drug-adding funnel with a control valve are arranged on the end face of the hydraulic cylinder, and a vent hole with a discharge valve is communicated on the drug outlet. The self-pressure drug-adding device can be suitable for mobile drug-adding modes, can increase the adding speed, eliminates safety hidden dangers, and is convenient for the field installation.
Description
Technical field
The utility model relates to oil wells in field need be from the chemicals dosing plant of well head to medicines such as filling paraffin removers the oil well, particularly a kind of self-pressing type chemicals dosing plant.
Background technology
Oil wells in field need be given medicines such as the paraffin remover of annotating the oil well from well head, and the dosage of these medicines is generally very little, because oil well has certain casing pressure, filling must under high pressure be carried out.If add, because paraffin remover to the strong corrosiveness of pump seal material, adds high pressure, little discharge capacity with pump, be difficult to choose suitable pump, and during with the pump dosing, need the configuration fire-proof motor, equipment such as generator, can bring very big hidden danger to well site safety, equipment is more simultaneously, and the cost height connects complicated, the scene is reluctant to adopt more, and therefore existing general chemicals dosing plant is many can not adopt; On-the-spot the modes that adopt the gravity flow dosings promptly directly link to each other grug feeding jar more with sleeve pipe owing to there is not suitable pump, and at this moment the interior pressure of grug feeding jar and sleeve pipe is identical, the dosing of flowing automatically of the gravity of dependence medicine, but speed is very slow; Chemicals dosing plant is divided into two classes at present, and the one, the grug feeding jar pressure balance type, the mode of dependence liquid gravity nature dosing, this mode is simple in structure, need not external force or pump, but the speed of dosing is slower, and inapplicable for portable dosing method.It represents patent is natural gas well head chemicals dosing plant (patent No. 99225051.x); The 2nd, be the dosing method of power with the pump, but driving, pump needs electric power or generator, install at the scene and inconvenience, bigger potential safety hazard is arranged, medicine has stronger corrosivity to the encapsulant of pump simultaneously, make the very fast inefficacy of sealing of pump, its representative patents has well head chemicals dosing plant (patent No. 99223407.7).Have also from oil pumper or from the automobile power taking, driving pump work again has the problem of pump seal equally.
Summary of the invention
The purpose of this utility model provides a kind of self-pressing type chemicals dosing plant, and it goes for portable dosing method, can improve dosing speed, eliminate safe hidden trouble, and also on-the-spot easy for installation.
The technical solution of the utility model is a kind of self-pressing type chemicals dosing plant of design, it is characterized in that: its cylinder and fluid cylinder are the cylinder body of integral type connectivity structure, and have a spiracle, cylinder bore is bigger than fluid cylinder diameter, cooperate in the cylinder and slidely connect a piston, cooperate to slidely connect in the fluid cylinder piston is also arranged, the piston rod of cylinder piston and liquid cylinder piston is a same piston rod, the piston diameter of cylinder is bigger than liquid cylinder piston diameter, on the cover plate of cylinder air inlet port is arranged, the medicine outlet of band control valve and the dosing funnel of band control valve are arranged on the end face of fluid cylinder, be communicated with band outlet valve steam vent on the medicine outlet.
Described cylinder top is the cover plate that is tightly connected, and it passes through the cover plate bolt seal cover on the port of cylinder.
Described spiracle is at cylinder end.
Described cylinder body is connected with support by turning cylinder.
Characteristics of the present utility model are under the situation without external force, can accelerate the speed of dosing greatly, and can the safety at scene not impacted, because medicine contacts with piston seal, the situation that may often cause piston seal to lose efficacy, so the structure of the utility model design is installed the replacing seal conveniently.
Description of drawings
Below in conjunction with the embodiment accompanying drawing the utility model is described further.
Fig. 1 is embodiment 1 structural representation;
Fig. 2 is embodiment 2 structural representations.
Among the figure: 1, air inlet port; 2, cover plate bolt; 3, cylinder; 4, cylinder piston; 5, piston rod; 6, liquid cylinder piston; 7, fluid cylinder; 8, dosing funnel; 9, outlet valve; 10, medicine outlet; 11, spiracle; 12, support.
The specific embodiment
Embodiment 1 as shown in Figure 1, its cylinder 3 and fluid cylinder 7 are integral type connectivity structures, cylinder 3 is in the upper end of fluid cylinder 7, the diameter of cylinder 3 is bigger than the diameter of fluid cylinder 7, cooperate in the cylinder 3 and slidely connect a cylinder piston 4, cooperate to be slidingly connected in the fluid cylinder liquid cylinder piston 6 is also arranged, the piston rod 5 of cylinder piston 4 and liquid cylinder piston 6 is same piston rods 5, piston rod 5 can be that metal material is made, the plug face area of cylinder piston 4 is bigger than the plug area of liquid cylinder piston 6, there are the medicine outlet 10 of band control valve and the dosing funnel 8 of band control valve in the bottom of fluid cylinder 7, is communicated with steam vent on the medicine outlet 10, is connected with outlet valve 9 on the steam vent.Cylinder 3 tops are the cover plates that are tightly connected, it is fixedly connected by cover plate bolt 2, and air inlet port 1 is arranged on the seal cover, and seal cover covers on cylinder 3 ports, like this can be after piston seal or piston damage, turn on cover plate bolt 2 and shift out two pistons and change easily.Cylinder end has spiracle 11, gas volume when two piston up-down in cylinder 3 and the fluid cylinder 7 can change, produce malleation or negative pressure, spiracle 11 is in communication with the outside it, can eliminate the variation of pressure, also can be used for simultaneously cylinder 3 and fluid cylinder 7 apply oils, being communicated with on the medicine outlet 10 of fluid cylinder 7 bottoms has outlet valve 9 on the steam vent steam vent, outlet valve 9 is used for dosing funnel 8 and carries out exhaust when giving the fluid cylinder tonic, is connected with switching control pilot on the dosing funnel 8.Self-pressing type chemicals dosing plant cylinder body is connected with support 12 by turning cylinder, when adding medicine in fluid cylinder 7 cylinder body is turned over turnback around support 12, and the unit state after the upset has added being turned to original position again behind the medicine and fixing as shown in Figure 2, and this moment, fluid cylinder 7 was the medicine cylinder.
The operating principle of embodiment self-pressing type chemicals dosing plant is: when dosing at the scene, earlier cylinder body is turned into as shown in Figure 2, and in fluid cylinder 7, fill it up with medicine, this moment, fluid cylinder 7 just became the medicine cylinder, then dosing funnel 8 and outlet valve 9 are closed, the recovery device upset as shown in Figure 1, again medicine outlet 10 is linked to each other with well head respectively with air inlet port 1 and open separately valve, pressure in such two cylinders is all identical with well head pressure, because the area of cylinder piston 4 is greater than the area of liquid cylinder piston 6, cylinder 3 links to each other with well head by air inlet port 1, and fluid cylinder 7 joins by medicine outlet 10 and well head, and the pressure of such two cylinders is identical.Under identical pressure, the pressure that the pressure that cylinder piston 4 produces produces greater than liquid cylinder piston 6, the thrust of generation is pushed down liquid cylinder piston 6, and fluid cylinder 7 is compressed like this, soup is pressed in the well, and the speed of dosing is faster than gravity flow dosing method.
During use medicine outlet 10 is linked to each other with well head, close the valve of outlet valve 9, dosing funnel 8, open the valve of cylinder air inlet 1, open the valve of medicine outlet 10 gently, allow piston move down, when piston motion is arrived bottom, finish a dosing process.When needs once more during dosing, at first to disconnect being connected of air inlet port 1 and well head, the valve of slowly opening air inlet port 1 is emitted the gas in the cylinder 3, and keeps medicine outlet 10 to be connected with well head, allows and goes downwards to position, the end when two pistons of gas promotion are interior in the well, close the switch of medicine outlet 10 again, turning device is the position as shown in Figure 2, opens outlet valve 9, and the gas in the fluid cylinder 7 is emitted, and then open the valve of dosing funnel 8, add medicament from funnel.
Fig. 2 is embodiment 2 schematic diagrames, and the planform when it is embodiment 1 upset dosing is overturn when noting be used in dosing like this, and cylinder body directly is fixed on the support 12.
Claims (4)
1, the self-pressing type chemicals dosing plant, it is characterized in that: its cylinder (3) and fluid cylinder (7) are the cylinder body of integral type connectivity structure, and have a spiracle (11), cylinder (3) diameter is bigger than fluid cylinder (7) diameter, cooperate in the cylinder (3) and slidely connect a piston (4), cooperate to slidely connect in the fluid cylinder (7) piston (6) is also arranged, the piston rod of cylinder piston (4) and liquid cylinder piston (6) is a same piston rod (5), cylinder piston (4) diameter is bigger than liquid cylinder piston (6) diameter, air inlet port (1) is arranged on the end face of cylinder (3), the medicine outlet (10) of band control valve and the dosing funnel (8) of band control valve are arranged on the end face of fluid cylinder (7), be communicated with the steam vent of band outlet valve (9) on the medicine outlet (10).
2, self-pressing type chemicals dosing plant according to claim 1 is characterized in that: described cylinder (3) top is the cover plate that is tightly connected, and it is fixed on the port of cylinder (3) by cover plate bolt (2), and air inlet port (1) on the cover board.
3, self-pressing type chemicals dosing plant according to claim 1 is characterized in that: described spiracle (11) is in cylinder (3) bottom.
4, self-pressing type chemicals dosing plant according to claim 1 is characterized in that: described cylinder body is connected with support (12) by turning cylinder.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CNU2008202218595U CN201273174Y (en) | 2008-10-14 | 2008-10-14 | Self-pressing type medicine-adding apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CNU2008202218595U CN201273174Y (en) | 2008-10-14 | 2008-10-14 | Self-pressing type medicine-adding apparatus |
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CN201273174Y true CN201273174Y (en) | 2009-07-15 |
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CNU2008202218595U Expired - Fee Related CN201273174Y (en) | 2008-10-14 | 2008-10-14 | Self-pressing type medicine-adding apparatus |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101850219B (en) * | 2010-04-29 | 2012-03-14 | 哈尔滨工程大学 | Continuous flow self-adjusting dosing device |
CN108036197A (en) * | 2017-12-19 | 2018-05-15 | 东北石油大学 | A kind of chemicals dosing plant with pressure and its adding method thereof with pressure |
CN110003876A (en) * | 2019-04-28 | 2019-07-12 | 西南石油大学 | For handling the composition, method and the device that produce the lock injury of water-setting gassing well liquid |
CN112320863A (en) * | 2020-09-09 | 2021-02-05 | 诸暨市洛宏环保科技有限公司 | Dosing device for sewage treatment tank and using method thereof |
CN114105234A (en) * | 2021-12-01 | 2022-03-01 | 安徽四邦环境科技有限公司 | Sewage treatment equipment capable of realizing automatic dosing |
-
2008
- 2008-10-14 CN CNU2008202218595U patent/CN201273174Y/en not_active Expired - Fee Related
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101850219B (en) * | 2010-04-29 | 2012-03-14 | 哈尔滨工程大学 | Continuous flow self-adjusting dosing device |
CN108036197A (en) * | 2017-12-19 | 2018-05-15 | 东北石油大学 | A kind of chemicals dosing plant with pressure and its adding method thereof with pressure |
CN110003876A (en) * | 2019-04-28 | 2019-07-12 | 西南石油大学 | For handling the composition, method and the device that produce the lock injury of water-setting gassing well liquid |
CN112320863A (en) * | 2020-09-09 | 2021-02-05 | 诸暨市洛宏环保科技有限公司 | Dosing device for sewage treatment tank and using method thereof |
CN112320863B (en) * | 2020-09-09 | 2022-09-09 | 诸暨迅超工业设计有限公司 | Dosing device for sewage treatment tank and using method thereof |
CN114105234A (en) * | 2021-12-01 | 2022-03-01 | 安徽四邦环境科技有限公司 | Sewage treatment equipment capable of realizing automatic dosing |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090715 Termination date: 20151014 |
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EXPY | Termination of patent right or utility model |