CN204784863U - Three holes switching -over blow down valve - Google Patents
Three holes switching -over blow down valve Download PDFInfo
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- CN204784863U CN204784863U CN201520458857.8U CN201520458857U CN204784863U CN 204784863 U CN204784863 U CN 204784863U CN 201520458857 U CN201520458857 U CN 201520458857U CN 204784863 U CN204784863 U CN 204784863U
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Abstract
The utility model relates to an oil gas burning field provides a three holes switching -over blow down valve, including the main part, its characterized in that: be equipped with main piston, oil piston, gas piston totally three group's pistons in the main part, oil piston is equipped with fuel import, and the gas piston is equipped with and sweeps the gas import, and the side by side parallel and one side of these three groups pistons is equipped with and sweeps the pilot -gas import, and corresponding opposite side is equipped with the import of combustion control gas, oil piston, gas piston pass through the same curved pipe of a pipe connection respectively, and curved pipe connection fuel sweeps gas and exports, curved pipe inside still is equipped with the movable steel ball slightly littleer than its internal diameter. The pipeline internal diameter is slightly littleer than movable steel ball internal diameter. The utility model discloses with three parallel arrangement's piston hole, part oil, gas, pilot -gas three -strand medium by three piston, respectively walk each way. It is mutual irrelevant with the flat state of sweeping when going rancid the fired state, the in a confused state of mind phenomenon of cluster of oil and gas of can not coming out.
Description
Technical field
The utility model relates to oil gas combustion field, particularly a kind of selector valve.
Background technique
At present, the reversing purging valve door that Chinese society uses mainly adopts a piston to divide two side-entrances, and side oil-feed controls gas import, and opposite side purges and controls gas import, then connects a criss-cross passage, arranges commutation steel ball enforcement commutation and purge in passage.This Measures compare uses widely, but it has a very large shortcoming, and be exactly in commutation purge, easily produce the phenomenon that oil is gone here and there mutually with gas, oil string, after gas circuit, blocks tracheae, pipeline is broken down.
Summary of the invention
The purpose of this utility model solves the problem, and provides a kind of three hole reversing purging valves, realizes oil gas perfection and isolate the effect of not going here and there mutually.
Above-mentioned technical problem of the present utility model is solved mainly through following technical proposals:
Three hole reversing purging valves, comprise main body, it is characterized in that: in described main body, be provided with main piston, oily piston, gas piston totally three groups of pistons, oil piston is provided with fuel inlet, gas piston is provided with sweep gas import, these three groups of piston parallel side-by-side and side are provided with to purge and control gas import, corresponding opposite side is provided with the import of Combustion System gas, described oily piston, gas piston connect same arc pipe respectively by a pipeline, arc pipe connects the outlet of fuel oil sweep gas, and described arc pipe inside is also provided with the movable steel ball more smaller than its internal diameter.Described internal diameter of the pipeline is more smaller than movable steel ball internal diameter.
Further, described oily piston, main piston, gas piston connect successively by connecting round bar.
Concrete, described purging controls the oily piston end that gas import is located at three groups of piston sides, and the import of described Combustion System gas is located at the gas piston end of three groups of piston opposite sides.
Concrete, described purging controls gas import, the import of Combustion System gas all extend into main piston air inlet outside main body.
Concrete, described sweep gas import is located at three groups of piston sides, and fuel inlet is located at three groups of piston opposite sides.
Concrete, described purging controls gas import, three groups of piston the same sides are located in both sweep gas imports, and three groups of piston the same sides are located in the import of described Combustion System gas, fuel inlet.
Working principle of the present utility model is: when needs burn, and open the import of Combustion System gas, main piston is pulled to side, gentle for oily piston piston is taken to the same side, oil separates with control hermetic seal, and hydraulic fluid port is opened and walked oil firing simultaneously, now, sweep gas is blocked by gas piston.When needs purge, open and purge the import of control gas, main piston is pulled to opposite side, takes gentle for oily piston piston to the same side simultaneously, and now pore is opened and flat purging, and now, hydraulic fluid port is blocked by oily piston, sweep gas and control hermetic seal is separated.
The beneficial effects of the utility model are: the piston hole that the utility model is arranged in parallel with three, by three pistons oil, gas, control gas three strands of media separately, go separate way.Go rancid combustion regime time and flat purging state irrelevant mutually, can not out oil and the gas phenomenon of disorderly going here and there; In addition, the utility model is also provided with secondary and separates, when flat, gas shifts oil port onto movable steel ball in arc pipe, and to block excess oil excessive, and when going rancid equally, oil shifts gas port place onto movable steel ball in arc pipe, block oil toward pore stream, reach the effect that oil gas is isolated by secondary.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is that the utility model to go rancid under combustion regime the cut-away view of B-B in Fig. 1;
Fig. 3 is the cut-away view of B-B in Fig. 1 under the flat purging state of the utility model.
In figure: 1. main piston; 2. oily piston; 3. gas piston; 4. sweep gas import; 5. fuel inlet; 6. purge and control gas import; 7. Combustion System gas import; 8. connect round bar; 9. pipeline; 10. arc pipe; 11. movable steel balls; 12. fuel oil sweep gas outlets.
Embodiment
Below by embodiment, and 1-3 by reference to the accompanying drawings, the technical solution of the utility model is described in further detail.
Three hole reversing purging valves, comprise main body, main piston 1 is provided with in described main body, oil piston 2, gas piston 3 is totally three groups of pistons, oil piston 2 is provided with fuel inlet 5, gas piston 3 is provided with sweep gas import 4, these three groups of piston parallel side-by-side and side are provided with to purge and control gas import 6, corresponding opposite side is provided with Combustion System gas import 7, described oily piston 2, gas piston 3 connects same arc pipe 10 respectively by a pipeline 9, arc pipe 10 connects fuel oil sweep gas outlet 12, described arc pipe 10 inside is also provided with the movable steel ball 11 more smaller than its internal diameter, described pipeline 9 internal diameter is more smaller than movable steel ball 11 internal diameter.Described oily piston 2, main piston 1, gas piston 3 connect successively by connecting round bar 8.
Concrete, described purging controls oily piston 2 end that gas import 6 is located at three groups of piston sides, and described Combustion System gas import 7 is located at gas piston 3 end of three groups of piston opposite sides.Described purging controls gas import 6, Combustion System gas import 7 all extend into main piston 1 air inlet outside main body.Described sweep gas import 4 is located at three groups of piston sides, and fuel inlet 5 is located at three groups of piston opposite sides.Described purging controls gas import 6, three groups of piston the same sides are located in both sweep gas imports 4, and three groups of piston the same sides are located in described Combustion System gas import 7, fuel inlet 5.
When needs burn, open Combustion System gas import 7, main piston 1 is pulled to side, gentle for oily piston 2 piston 3 is taken to the same side simultaneously, and oil separates with control hermetic seal, and hydraulic fluid port is opened and walked oil firing, and now, sweep gas is blocked by gas piston 3.When needs purge, open and purge control gas import 6, main piston 1 is pulled to opposite side, and take gentle for oily piston 2 piston 3 to the same side, now pore is opened and flat purging simultaneously, and now, hydraulic fluid port is blocked by oily piston 2, sweep gas and control hermetic seal is separated.
In addition, the present embodiment is also provided with secondary and separates, when flat, gas shifts oil port onto movable steel ball 11 in arc pipe 10, and to block excess oil excessive, and when going rancid equally, oil shifts gas port place movable steel ball 11 onto in arc pipe 10, block oil toward pore stream, reach the effect that oil gas is isolated by secondary.
The present embodiment is the mode of execution of the utility model example; for those skilled in the art; on the basis that the utility model discloses application process and principle; be easy to make various types of improvement or distortion; and the Structure and energy be not limited only to described by the above-mentioned embodiment of the utility model; therefore previously described mode is preferred version; and not there is restrictive meaning; every equivalence change of doing according to the utility model and amendment, all should protect by the scope of the utility model claims.
Claims (6)
1. three hole reversing purging valves, comprise main body, it is characterized in that: in described main body, be provided with main piston, oily piston, gas piston totally three groups of pistons, oil piston is provided with fuel inlet, gas piston is provided with sweep gas import, these three groups of piston parallel side-by-side and side are provided with to purge and control gas import, corresponding opposite side is provided with the import of Combustion System gas, described oily piston, gas piston connect same arc pipe respectively by a pipeline, arc pipe connects the outlet of fuel oil sweep gas, and described arc pipe inside is also provided with the movable steel ball more smaller than its internal diameter.
2. three hole reversing purging valves according to claim 1, is characterized in that: described oily piston, main piston, gas piston connect successively by connecting round bar.
3. three hole reversing purging valves according to claim 1, is characterized in that: described purging controls the oily piston end that gas import is located at three groups of piston sides, and the import of described Combustion System gas is located at the gas piston end of three groups of piston opposite sides.
4. three hole reversing purging valves according to claim 1, is characterized in that: described purging controls gas import, the import of Combustion System gas all extend into main piston air inlet outside main body.
5. three hole reversing purging valves according to claim 1, it is characterized in that: described sweep gas import is located at three groups of piston sides, fuel inlet is located at three groups of piston opposite sides.
6. three hole reversing purging valves according to claim 1, is characterized in that: described purging controls gas import, three groups of piston the same sides are located in both sweep gas imports, and three groups of piston the same sides are located in the import of described Combustion System gas, fuel inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520458857.8U CN204784863U (en) | 2015-06-30 | 2015-06-30 | Three holes switching -over blow down valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520458857.8U CN204784863U (en) | 2015-06-30 | 2015-06-30 | Three holes switching -over blow down valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204784863U true CN204784863U (en) | 2015-11-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520458857.8U Active CN204784863U (en) | 2015-06-30 | 2015-06-30 | Three holes switching -over blow down valve |
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| CN (1) | CN204784863U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106917733A (en) * | 2015-12-25 | 2017-07-04 | 罗凤玲 | A kind of power set |
-
2015
- 2015-06-30 CN CN201520458857.8U patent/CN204784863U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106917733A (en) * | 2015-12-25 | 2017-07-04 | 罗凤玲 | A kind of power set |
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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: 20210128 Address after: 341900 Zhongyu village, old town, Dingnan County, Ganzhou City, Jiangxi Province Patentee after: Jiangxi Ganyue New Material Co.,Ltd. Address before: 341903 Zhongduan village, Laocheng Town, Dingnan County, Ganzhou City, Jiangxi Province Patentee before: JIANGXI GAN YUE PV GLASS Co.,Ltd. |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Three-hole reversing purge valve Effective date of registration: 20230103 Granted publication date: 20151118 Pledgee: Bank of Ganzhou Co.,Ltd. Dingnan Sub branch Pledgor: Jiangxi Ganyue New Material Co.,Ltd. Registration number: Y2022980030040 |