CN204831843U - Device that closed sample and dissolubility gas content detected - Google Patents
Device that closed sample and dissolubility gas content detected Download PDFInfo
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- CN204831843U CN204831843U CN201520572833.5U CN201520572833U CN204831843U CN 204831843 U CN204831843 U CN 204831843U CN 201520572833 U CN201520572833 U CN 201520572833U CN 204831843 U CN204831843 U CN 204831843U
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Abstract
The utility model provides a device that closed sample and dissolubility gas content detected, is including sample subtotal test section, sample part is equipped with nitrogen gas including the upper end and pours into that interface, sample pour into the interface into and add the medicine mouth and the bottom is equipped with the sampling container of sample output interface into, is connected with nitrogen gas inlet valve and sample inlet valve respectively in two positions of pouring into interfaces into, is connected with sample outlet valve in the output interface position, is installing the rubber buffer adding medicine mouth position, the test section includes the inside and outside barrel that the cartridge is connected, be equipped with oil appearance input interface outside on the bobbin base of barrel, the pipeline is connected with taking a sample to be equipped with to this interface between the outlet valve, including the top of inner chamber of barrel be equipped with elastic cushion, its below position is equipped with the multilayer tray, along a plurality of detecting tube mounting holes that link up about the circumference equipartition is equipped with on the multilayer tray, fender dish under the below of descending most the one deck tray is equipped with, the terminal surface is equipped with a plurality of mouths of pipe of breaking off with the fingers and thumb above that, including install pressure regulating valve on the upper end cover of barrel. Adopt this device to improve detection accuracy and work efficiency.
Description
Technical field
The utility model relates to detection technique field, oil field, particularly a kind of can at the scene or for the closed dissolved gas content detection device of indoor.
Background technology
The crude oil of underground extraction all contains a certain amount of moisture, simultaneously also with a large amount of granule foreigns and microorganism etc., wherein in water, contain a certain amount of oxygen, the dissolved gas such as carbon dioxide and sulfuretted hydrogen, these dissolved gas easily cause pipeline and equipment corrosion, and the impurity that corrosion produces can cause equipment to block, wearing and tearing, pollute the product producing conveying, product quality is caused to decline, to platform field, the production process of land treatment plant and refinery factory brings difficulty and challenge, cause immeasurable economic loss, therefore, the corrosion factor of carrying out well head production fluid detects and administers has vital effect to production and operation.
At present, the detection of dissolved gas is normally carried out at the scene, concrete, conveyance conduit arranges a sample tap.When needing sampling, will the valve open of sample tap be arranged on, with sampling container, oil sample be taken out, then the oil sample in sampling container be injected the inspection instrument that is provided with detector tube; Then the head of detector tube is made to break, oil sample is made to enter in detector tube, with the reagent generation chemical reaction in detector tube, the content of certain dissolved gas is judged by the result of chemical reaction, then carry out scientific algorithm to evaluate under a certain amount of oxygen content, the corrosion condition of pipeline and equipment, takes certain safeguard procedures for actual conditions, realizes that produced on-site flow-induced corrosion can prevent, medicable object.
Above-mentioned method of dissolved gas being carried out to Site Detection, the deficiency of existence is: owing to causing the metrical error of dissolved gas content larger with the contact of air, can not give the testing result that one, scene is correct.And the method ubiquity sampling of Site Detection cannot meet the problems such as standard, the air exposure time is long, testing result error is large, occur by adding chemical agent to contain corrosion, well how can not weigh pharmacy effect by dissolved gas, until corrosion occurs to carry out administering the practical significance just losing online prison and detect again.In addition, there is secondary pollution in on-site sampling and detection, when needs repeated detection, repeatedly will sample detection, and its work efficiency detected is lower, needs to be improved further.
Summary of the invention
The utility model provides a kind of simple to operate, sampling and detects the closed dissolved gas content detection device not producing secondary pollution, can carry out repeated detection, improve accuracy in detection and work efficiency for solving in known technology the technical matters that exists.
The technical scheme that the utility model is taked for the technical matters existed in solution known technology is:
A device for closed sampling and dissolved gas content detection, is characterized in that: comprise sampling part and detecting portion, described sampling part comprises closed sampling container, nitrogen grouting socket is provided with in the upper end of sampling container, sampling grouting socket and dosing mouth, nitrogen inlet valve is connected with in nitrogen grouting socket position, in the upper end of nitrogen inlet valve, ready-packaged joint A is installed, sampling inlet valve is connected with in sampling grouting socket position, in the upper end of sampling inlet valve, ready-packaged joint B is installed, in dosing mouth position, rubber plug is installed, at the wall outer surface of sampling container, liquid level gauge is installed, sampling output interface is provided with in the bottom of sampling container, sampling outlet valve is connected with in sampling output interface position, described detecting portion comprises outer cylinder body and is provided with the inner barrel of upper end cover, and described inner barrel is from top to bottom inserted in outer cylinder body, and its upper end cover is pressed on the upper end of outer cylinder body, and forms sealing contact between two cylindrical shells, be provided with oil sample input interface at the bottom of the cylinder of outer cylinder body, between oil sample input interface and described sampling outlet valve, be provided with associated line, the elastic cushion be made up of poromeric material is provided with at the top of the inner chamber of inner barrel, the lower position arranging elastic cushion in the inner chamber of inner barrel is provided with multiple layer tray from top to bottom, and multiple layer tray is along the circumferential direction evenly equipped with multiple detector tube mounting holes of up/down perforation, lower block plate is provided with in the below of basecoat pallet, described lower block plate is fixed on the internal chamber wall of outer cylinder body, be uniformly distributed along the circumference in the upper surface of lower block plate to be provided with and multiplely break the mouth of pipe, multiplely break the mouth of pipe and multiple detector tube mounting hole aligns along the vertical direction one by one, be provided with fluid through-hole at the center of lower block plate, the upper end cover of inner barrel is provided with pressure-regulating valve.
The technical scheme that the utility model can also be taked is:
Also comprise the supporting leg A for supporting sampling container and the supporting leg B for supporting inside and outside cylindrical shell, the described upper end of supporting leg A is fixedly connected with the wall outer surface of sampling container; The described upper end of supporting leg B is fixedly connected with the wall outer surface of outer cylinder body.
Also comprise the carrying handle A be fixed on sampling container wall outer surface and the carrying handle B be fixed on outer cylinder body wall outer surface.
Also comprise the rotating handles be packed on inner barrel upper end cover.
The side wall inner surfaces of outer cylinder body is provided with step surface A, the wall outer surface of inner barrel is provided with the step surface B matched, the oil sealing making two cylindrical shells form sealing contact is installed between two step surfaces.
The advantage that the utility model has and good effect are:
1, this device is by arranging nitrogen grouting socket and corresponding by-pass valve control in the upper end of sampling container, can be purged the air in sampling container by nitrogen injection before sampling starts, doing so avoids the impact of oil sample by air, thus ensure that the data of detection are closer to actual condition data.
2, adopt this device, sampling is carried out with detection under the airtight environment with being communicated with, like this, just avoid sampling and detect generation secondary pollution.
3, adopt this device, after primary sample, multitube and repeated detection can be carried out, thus improve accuracy in detection and work efficiency
4, the sampling part of this device and detecting portion separable, can detect multiple dissolved gas like this
5, this device is applied widely, can carry out the screening and optimization etc. of various medicaments.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of outer cylinder body in Fig. 1;
Fig. 3 is the vertical view of Fig. 2;
Fig. 4 is the structural representation of inner barrel in Fig. 1.
In figure: 1, sampling part; 1-1, sampling container; 1-1-1, nitrogen grouting socket; 1-1-2, sampling grouting socket; 1-1-3, dosing mouth; 1-1-4, sampling output interface; 1-2, nitrogen inlet valve; 1-3, ready-packaged joint A; 1-4, sampling inlet valve; 1-5, ready-packaged joint B; 1-6, rubber plug; 1-7, liquid level gauge; 1-8, sampling outlet valve; 2, detecting portion; 2-1, outer cylinder body; 2-1-1, oil sample input interface; 2-2, inner barrel; 2-2-1, upper end cover; 2-3, elastic cushion; 2-4, pallet; 2-4-1, detector tube mounting hole; 2-5, lower block plate; 2-5-1, break the mouth of pipe; 2-5-2, excessively fluid through-hole; 2-6, pressure-regulating valve; 3, associated line; 4, supporting leg A; 5, supporting leg B; 6, carrying handle A; 7, carrying handle B; 8, rotating handles; 9, oil sealing.
Embodiment
For summary of the invention of the present utility model, Characteristic can be understood further, hereby exemplify following examples, and coordinate accompanying drawing to be described in detail as follows:
Refer to Fig. 1-4, the device of a kind of closed sampling and dissolved gas content detection, comprises sampling part 1 and detecting portion 2.
Described sampling part comprises closed sampling container 1-1, nitrogen grouting socket 1-1-1, sampling grouting socket 1-1-2 and dosing mouth 1-1-3 is provided with in the upper end of sampling container, nitrogen inlet valve 1-2 is connected with in nitrogen grouting socket position, in the upper end of nitrogen inlet valve, ready-packaged joint A1-3 is installed, can realizes being connected fast with nitrogen supply (NS) pipeline by ready-packaged joint A like this.Sampling inlet valve 1-4 is connected with in sampling grouting socket position, in the upper end of sampling inlet valve, ready-packaged joint B1-5 is installed, can realize being connected fast with the sampling line that pipe laying is preset by ready-packaged joint B like this, when opening sampling inlet valve, just can the fluid in pipe laying be injected in sampling container by sampling line, thus achieve closed sampling, avoid oil sample and contacting external air, thus ensure that the accuracy of subsequent detection.In dosing mouth position, rubber plug 1-6 is installed.Like this when needs inject evaluation chemical agent in oil sample, after available entry needle pierces through rubber stopper, the chemical agent evaluated is injected in sampling container, after entry needle is extracted, still can ensures the sealing of dosing mouth position.At the wall outer surface of sampling container, liquid level gauge 1-7 is installed, by the liquid level in liquid level gauge observable sampling container.Be provided with sampling output interface 1-1-4 in the bottom of sampling container, be connected with sampling outlet valve 1-8 in sampling output interface position.
Described detecting portion comprises outer cylinder body 2-1 and is provided with the inner barrel 2-2 of upper end cover 2-2-1, and described inner barrel is from top to bottom inserted in outer cylinder body, and its upper end cover is pressed on the upper end of outer cylinder body, and forms sealing contact between two cylindrical shells.Be provided with oil sample input interface 2-1-1 at the bottom of the cylinder of outer cylinder body, between oil sample input interface and described sampling outlet valve, be provided with associated line 3.This associated line makes the inner chamber of sampling container and the inner space of outer cylinder body, and under the state being in unlatching at sampling outlet valve like this, the oil sample in sampling container is injected in the inner chamber of outer cylinder body by associated line.Be provided with the elastic cushion 2-3 be made up of poromeric material at the top of the inner chamber of inner barrel, such as adopt foamed rubber pad.The lower position arranging elastic cushion in the inner chamber of inner barrel is provided with multiple layer tray 2-4 from top to bottom, multiple layer tray is all fixedly connected with the internal chamber wall of inner barrel, multiple layer tray is along the circumferential direction evenly equipped with multiple detector tube mounting hole 2-4-1 of up/down perforation, in each detector tube mounting hole, a detector tube all can be installed like this.Lower block plate 2-5 is provided with in the below of basecoat pallet, described lower block plate is fixed on the internal chamber wall of outer cylinder body, be uniformly distributed along the circumference in the upper surface of lower block plate to be provided with and multiplely break mouth of pipe 2-5-1, multiplely break the mouth of pipe and multiple detector tube mounting hole aligns along the vertical direction one by one, be provided with fluid through-hole 2-5-2 at the center of lower block plate.The upper end cover of inner barrel is provided with pressure-regulating valve 2-6, by pressure-regulating valve, automatically can regulates the gaseous tension in outer tube inner chamber.The effect of above-mentioned elastic cushion withstands detector tube from top, and the effect of multiple layer tray is that detector tube is arranged on fixed position, and provides protective effect, prevents pipe shaft from breaking.Detector tube is held in the effect of lower block plate, makes the head of detector tube be inserted into breaking in the mouth of pipe of correspondence position.
In said structure, also comprise the supporting leg A4 for supporting sampling container and the supporting leg B5 for supporting inside and outside cylindrical shell.The described upper end of supporting leg A is fixedly connected with the wall outer surface of sampling container; The described upper end of supporting leg B is fixedly connected with the wall outer surface of outer cylinder body.By arranging above-mentioned supporting leg A and supporting leg B, facilitating the in-site installation of sampling container and inside and outside cylindrical shell or the installation in laboratory, like this, just not needing the auxiliary support frame and the platform that increase peripheral hardware.
In said structure, also comprise the carrying handle A6 be fixed on sampling container wall outer surface and the carrying handle B7 be fixed on outer cylinder body wall outer surface.Be convenient to this device be moved to the position of specifying by arranging above-mentioned two carrying handles.
In said structure, also comprise the rotating handles 8 be packed on inner barrel upper end cover.By arranging rotating handles, can be convenient to rotate inner barrel, like this, when multiple detector tube is arranged in detector tube mounting hole one by one, breaking the mouth of pipe by the correspondence on lower block plate, the head of detector tube is broken disconnected.
In said structure, form sealing contact between inside and outside cylindrical shell and preferably adopt following structure: in the side wall inner surfaces of outer cylinder body, be provided with step surface A, the wall outer surface of inner barrel is provided with the step surface B matched, the oil sealing 9 making two cylindrical shells form sealing contact is installed between two step surfaces.
The device of the sampling of this closed and dissolved gas content detection can be used for on-site sampling, detection, after also can sampling at the scene, completes detection in indoor.Be detected as example with dissolved oxygen DO, be described in detail as follows:
First inside and outside cylindrical shell is separated, multiple detector tube is inserted into one by one in the detector tube mounting hole of multiple layer tray, then inner barrel is reinserted in outer cylinder body, two cylindrical shells are sealed by oil sealing, simultaneously detector tube is fixed between elastic cushion and lower block plate, and the head one_to_one corresponding of multiple detector tube is inserted into lower block plate breaks in the mouth of pipe, then by two carrying handles, equipment is transported to on-site sampling point position, by two supporting legs, equipment is stabilized on deck plane, then first by clean for the Liquid Residue discharge in sampling spot pipeline, can be connected with on-site sampling point pipeline interface by ready-packaged joint B, at this moment sample inlet valve and be in closed condition, then be connected with the interface of nitrogen supply (NS) pipeline by ready-packaged joint B, nitrogen is inputted in sampling container, equipment is purged, displaced air, along with the injection of nitrogen, air can constantly be discharged, can automatically be exhausted by opening pressure variable valve under a certain pressure, after treating the air displacement of device interior, sampling inlet valve can be opened sample, along with the injection of sampling liquid, pressure increases, pressure-regulating valve opens exhaust automatically, level condition is observed by the reading of liquid level gauge, enough test application can stop, close sampling inlet valve and sampling outlet valve, sample complete, at this moment can change by rotating handles the relative position broken between the mouth of pipe and pallet, detector tube head is broken, reach the content detecting dissolved oxygen DO in solution.In order to the actual effect of evaluating chemical medicament, medicament can be injected into the equipment of sampling from dosing mouth and go, question response a period of time, suitably open nitrogen inlet valve nitrogen injection, repeat above-mentioned detecting step again, carried out the result of use of evaluating chemical medicament by the Data Comparison of front and back twice.
Claims (5)
1. a device for closed sampling and dissolved gas content detection, is characterized in that: comprise sampling part and detecting portion, described sampling part comprises closed sampling container, nitrogen grouting socket is provided with in the upper end of sampling container, sampling grouting socket and dosing mouth, nitrogen inlet valve is connected with in nitrogen grouting socket position, in the upper end of nitrogen inlet valve, ready-packaged joint A is installed, sampling inlet valve is connected with in sampling grouting socket position, in the upper end of sampling inlet valve, ready-packaged joint B is installed, in dosing mouth position, rubber plug is installed, at the wall outer surface of sampling container, liquid level gauge is installed, sampling output interface is provided with in the bottom of sampling container, sampling outlet valve is connected with in sampling output interface position, described detecting portion comprises outer cylinder body and is provided with the inner barrel of upper end cover, and described inner barrel is from top to bottom inserted in outer cylinder body, and its upper end cover is pressed on the upper end of outer cylinder body, and forms sealing contact between two cylindrical shells, be provided with oil sample input interface at the bottom of the cylinder of outer cylinder body, between oil sample input interface and described sampling outlet valve, be provided with associated line, the elastic cushion be made up of poromeric material is provided with at the top of the inner chamber of inner barrel, the lower position arranging elastic cushion in the inner chamber of inner barrel is provided with multiple layer tray from top to bottom, and multiple layer tray is along the circumferential direction evenly equipped with multiple detector tube mounting holes of up/down perforation, lower block plate is provided with in the below of basecoat pallet, described lower block plate is fixed on the internal chamber wall of outer cylinder body, be uniformly distributed along the circumference in the upper surface of lower block plate to be provided with and multiplely break the mouth of pipe, multiplely break the mouth of pipe and multiple detector tube mounting hole aligns along the vertical direction one by one, be provided with fluid through-hole at the center of lower block plate, the upper end cover of inner barrel is provided with pressure-regulating valve.
2. the device of closed sampling according to claim 1 and dissolved gas content detection, it is characterized in that: also comprise the supporting leg A for supporting sampling container and the supporting leg B for supporting inside and outside cylindrical shell, the described upper end of supporting leg A is fixedly connected with the wall outer surface of sampling container; The described upper end of supporting leg B is fixedly connected with the wall outer surface of outer cylinder body.
3. the device of closed sampling according to claim 1 and dissolved gas content detection, is characterized in that: also comprise the carrying handle A be fixed on sampling container wall outer surface and the carrying handle B be fixed on outer cylinder body wall outer surface.
4. the device of closed sampling according to claim 1 and dissolved gas content detection, is characterized in that: also comprise the rotating handles be packed on inner barrel upper end cover.
5. the device of closed sampling according to claim 1 and dissolved gas content detection, it is characterized in that: in the side wall inner surfaces of outer cylinder body, be provided with step surface A, the wall outer surface of inner barrel is provided with the step surface B matched, the oil sealing making two cylindrical shells form sealing contact is installed between two step surfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520572833.5U CN204831843U (en) | 2015-07-30 | 2015-07-30 | Device that closed sample and dissolubility gas content detected |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520572833.5U CN204831843U (en) | 2015-07-30 | 2015-07-30 | Device that closed sample and dissolubility gas content detected |
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| CN204831843U true CN204831843U (en) | 2015-12-02 |
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| CN201520572833.5U Expired - Fee Related CN204831843U (en) | 2015-07-30 | 2015-07-30 | Device that closed sample and dissolubility gas content detected |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106475028A (en) * | 2016-12-26 | 2017-03-08 | 大连理工常熟研究院有限公司 | A kind of multifunctional bio engineering reactor |
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2015
- 2015-07-30 CN CN201520572833.5U patent/CN204831843U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106475028A (en) * | 2016-12-26 | 2017-03-08 | 大连理工常熟研究院有限公司 | A kind of multifunctional bio engineering reactor |
| CN106475028B (en) * | 2016-12-26 | 2018-07-31 | 大连理工常熟研究院有限公司 | A kind of multifunctional bio engineering reactor |
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| Date | Code | Title | Description |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151202 Termination date: 20210730 |