CN205958397U - Simulation wax sedimentary test device on metal pipe wall - Google Patents

Abstract

The utility model discloses a simulation wax sedimentary test device on metal pipe wall, including gauging tank, lid, cooling cup, shaft -like thermometer, first pressure cap, second pressure cap, clamping ring, a O type circle, hose, the 2nd O type circle and the 3rd O type circle. The utility model discloses convenient to use, swift can quantify to appraise pour point depression wax -proofing agent performance in batches.

Description

The assay device that simulation wax deposits on metal pipe-wall

Technical field

This utility model belongs to the improvement of oil sample testing equipment structure, and particularly simulation wax deposits on metal pipe-wall Assay device.

Background technology

Standard at present（SY/T 6300-2009《Recover the oil and use Paraffin Removal technical conditions》）The assay device that regulation uses is clear Wax control tester, it is lowered the temperature during so that oil sample is stirred in stainless steel cup, oil sample in oil sample temperature-fall period There is thermograde and stainless steel cup inwall between, thus producing paraffin deposit.But assay device is larger and loaded down with trivial details because of its build The technological deficiency of operation, is therefore difficult to quick, a large amount of evaluation wax-proofing agent performances, easily causes work efficiency low.

Utility model content

The purpose of this utility model is the assay device providing a kind of simulation wax to deposit on metal pipe-wall, user Just, fast, can batch quantitatively evaluating pour point depression wax-proofing agent performance.

The purpose of this utility model is realized in：The assay device that a kind of simulation wax deposits on metal pipe-wall, bag Include batch box, lid, cooling cup, shaft-like thermometer, the first pressure cap, the second pressure cap, pressure ring, the first O-ring, flexible pipe, second O-shaped Circle and the 3rd O-ring；Lid on being installed in the bung that batch box top is provided with stretches into what the part of batch box bung was provided with The 3rd O-ring is installed, lid passes through the 3rd O-ring static seal batch box bung, the 3rd O-ring and meter in 3rd annular groove The mutual static seal of measuring tank bung coordinates, and the inner surface that lid is located in batch box is provided with oblate cylindricality depressed part, cooling cup top Hold and be provided with the second annular groove outside the rim of a cup that has, install the second O-ring in the second annular groove, cooling cup rim of a cup with Stretch into oblate cylindricality depressed part and be packed in oblate cylindricality depressed part by way of the second O-ring static seal oblate cylindricality depressed part Interior, the second O-ring is coordinated with the mutual static seal of oblate cylindricality depressed part inner peripheral surface, and cooling cup stretches into oblate cylindricality by lid The state that depressed part vacantly and does not contact batch box is packed in batch box, and the first pressure cap is packed in lid and is located at outside batch box In the first shrinkage pool that outer surface is provided with, the inner surface that lid is located in batch box is communicated with the first of the first shrinkage pool and wears Hole, is provided with the second perforation inside the first pressure cap, shaft-like thermometer head end is with through the first pressure cap and recessed through first through the second perforation Hole, the first perforation are stretched in cooling cup through the mode of lid and cooling cup rim of a cup and oblate cylindricality depressed part, in shaft-like temperature Meter is located at set in the bar segment in the first shrinkage pool and is filled with the first O-ring, and shaft-like thermometer passes through first O-ring static seal the first shrinkage pool And passing through the mode of lid to be packed on lid, the first O-ring and the mutual static seal of the first shrinkage pool inner peripheral surface coordinate, the second pressure cap It is packed in lid in the second shrinkage pool that the outer surface outside batch box is provided with, the inner surface that lid is located in batch box sets There is the 3rd perforation of connection the second shrinkage pool, flexible pipe one end mouth of pipe stretches into the second shrinkage pool to bore a hole through the 3rd and be arranged at second recessed The mode that pressure ring in hole or the 3rd perforation is packed on the second pressure cap connects the 4th perforation being provided with inside the second pressure cap, flexible pipe The other end mouth of pipe connects cooling cup in the way of stretching into cooling cup through oblate cylindricality depressed part, is provided with stereometer outside batch box Amount scale.

Operational approach of the present utility model is：Led to cooling cup by the 4th perforation and flexible pipe being provided with inside the second pressure cap Enter cold water capable of circulation（Temperature is equal to crude oil freezing point）And load onto thermometer（It is easy to observed temperature change）, then in batch box Inside load onto the constant temperature oil sample of 30 minutes（Thermostat temperature is higher than 25 DEG C of wax precipitation point temperature, crude oil water content ＜ 5%.）, then will count Measuring tank is put in the cold water water-bath that can shake, and bath temperature is set higher than 25 DEG C of wax precipitation point temperature, and concussion was taken out after 30 minutes； After off-test, first weigh once after taking out cooling cup, will be complete for the wax being bonded on cooling cup tube wall in the oilpaper with constant weight Be re-weighed after entirely wiping once, twice of poor quality be in wax in cooling cup（Metal pipe-wall）The amount of upper deposition.This practicality is new Type utilizes the temperature difference of temperature of liquid and batch box in cooling cup, realizes deposition on metal pipe-wall for the crude oil wax, and then passes through Deposition reflects wax deposition degree and wax-proofing agent performance is good and bad.This utility model, according to test requirements document, can be carried out successively to multiple Oil sample is weighed, fully to evaluate the inhibiting rate for wax precipitation of pour point depression wax-proofing agent according to the weighing data of multiple oil samples.

The beneficial effects of the utility model are：Easy to use, quick, can batch quantitatively evaluating pour point depression wax-proofing agent performance.

Brief description

Below in conjunction with accompanying drawing, the utility model is described in further detail.

Fig. 1 is the overall structure cross-sectional schematic of this utility model.

Specific embodiment

The assay device that a kind of simulation wax deposits on metal pipe-wall, as shown in figure 1, include batch box 1, lid 2（By four Fluorothene material is constituted）, cooling cup 3（It is made up of 316 stainless steels）, shaft-like thermometer 4, the first pressure cap 5（Stainless by 316 Steel quality structure becomes）, the second pressure cap 6（It is made up of 316 stainless steels）, pressure ring 7（It is made up of tetrafluoroethene material）, first O-shaped Circle 8, flexible pipe 9（It is made up of tetrafluoroethene material）, the second O-ring 10 and the 3rd O-ring 11；Set being installed in batch box 1 top Lid 2 on some bungs stretches in the 3rd annular groove that the part of batch box 1 bung is provided with and installs the 3rd O-ring 11, Lid 2 passes through the 3rd O-ring 11 static seal batch box 1 bung, the 3rd O-ring 11 and the cooperation of batch box 1 bung mutual static seal, The inner surface that lid 2 is located in batch box 1 is provided with oblate cylindricality depressed part, is provided with outside the rim of a cup that cooling cup 3 top has Second annular groove, installs the second O-ring 10 in the second annular groove, and cooling cup 3 rim of a cup is to stretch into oblate cylindricality depression Portion is packed in oblate cylindricality depressed part by way of the second O-ring 10 static seal oblate cylindricality depressed part, the second O-ring 10 The mutual static seal cooperation with oblate cylindricality depressed part inner peripheral surface, it is hanging that cooling cup 3 stretches into oblate cylindricality depressed part by lid 2 And the state not contacting batch box 1 is packed in batch box 1, the first pressure cap 5 is packed in the outside that lid 2 is located at outside batch box 1 In the first shrinkage pool that surface is provided with, the inner surface that lid 2 is located in batch box 1 is communicated with the first perforation of the first shrinkage pool, It is provided with the second perforation, shaft-like thermometer 4 head end is with through the first pressure cap 5 and recessed through first through the second perforation inside first pressure cap 5 Hole, the first perforation are stretched in cooling cup 3 through the mode of lid 2 and cooling cup 3 rim of a cup and oblate cylindricality depressed part, in shaft-like temperature In the bar segment that degree meter 4 is located in the first shrinkage pool, set is filled with the first O-ring 8, and shaft-like thermometer 4 passes through the first O-ring 8 static seal the One shrinkage pool and pass through the mode of lid to be packed on lid 2, the first O-ring 8 and the mutual static seal of the first shrinkage pool inner peripheral surface coordinate, Second pressure cap 6 is packed in lid 2 in the second shrinkage pool that the outer surface outside batch box 1 is provided with, and lid 2 is located at batch box 1 Interior inner surface is communicated with the 3rd perforation of the second shrinkage pool, and flexible pipe 9 one end mouth of pipe is to stretch into the second shrinkage pool through the 3rd perforation And the mode that the pressure ring 7 being arranged in the second shrinkage pool or the 3rd perforation is packed on the second pressure cap 6 connects inside the second pressure cap 6 The 4th perforation being provided with, flexible pipe 9 other end mouth of pipe connects cooling cup in the way of stretching into cooling cup 3 through oblate cylindricality depressed part 3, it is provided with volume metering scale outside batch box 1.

Shaft-like thermometer 4 is in shaft-like mercurial thermometer or in shaft-like thermocouple thermometer.This utility model is being adopted Frequency conversion can be assembled into electric thermo-couple temperature timing with other related accessory（Automatically）Control device.

Claims (2)

1. a kind of simulation assay device of depositing on metal pipe-wall of wax it is characterised in that：Including batch box（1）, lid（2）、 Cooling cup（3）, shaft-like thermometer（4）, the first pressure cap（5）, the second pressure cap（6）, pressure ring（7）, the first O-ring（8）, flexible pipe（9）、 Second O-ring（10）With the 3rd O-ring（11）；It is being installed in batch box（1）The lid on bung that top is provided with（2）Stretch into meter Measuring tank（1）The 3rd O-ring is installed in the 3rd annular groove that the part of bung is provided with（11）, lid（2）By the 3rd O-ring （11）Static seal batch box（1）Bung, the 3rd O-ring（11）With batch box（1）The mutual static seal of bung coordinates, lid（2）Position In batch box（1）Interior inner surface is provided with oblate cylindricality depressed part, cooling cup（3）It is provided with second outside the rim of a cup that top has Annular groove, installs the second O-ring in the second annular groove（10）, cooling cup（3）Rim of a cup is to stretch into oblate cylindricality depression Portion passes through the second O-ring（10）The mode of static seal oblate cylindricality depressed part is packed in oblate cylindricality depressed part, the second O-ring （10）Mutual static seal cooperation, cooling cup with oblate cylindricality depressed part inner peripheral surface（3）By lid（2）Recessed to stretch into oblate cylindricality Sunken portion vacantly and does not contact batch box（1）State be packed in batch box（1）Interior, the first pressure cap（5）It is packed in lid（2）It is located at Batch box（1）In the first shrinkage pool that outer outer surface is provided with, lid（2）Positioned at batch box（1）Interior inner surface is provided with even First perforation of logical first shrinkage pool, the first pressure cap（5）Inside is provided with the second perforation, shaft-like thermometer（4）Head end is to wear through second Hole passes through the first pressure cap（5）And through the first shrinkage pool, the first perforation through lid（2）And cooling cup（3）Rim of a cup is recessed with oblate cylindricality The mode in sunken portion stretches into cooling cup（3）Interior, in shaft-like thermometer（4）In the bar segment in the first shrinkage pool, to be filled with first O-shaped for set Circle（8）, shaft-like thermometer（4）By the first O-ring（8）Static seal first shrinkage pool and pass through lid mode be packed in lid （2）On, the first O-ring（8）Mutual static seal cooperation, the second pressure cap with the first shrinkage pool inner peripheral surface（6）It is packed in lid（2）It is located at Batch box（1）In the second shrinkage pool that outer outer surface is provided with, lid（2）Positioned at batch box（1）Interior inner surface is provided with even 3rd perforation of logical second shrinkage pool, flexible pipe（9）One end mouth of pipe stretches into the second shrinkage pool to bore a hole through the 3rd and is arranged at second recessed Pressure ring in hole or the 3rd perforation（7）It is packed in the second pressure cap（6）On mode connect the second pressure cap（6）Inside be provided with the 4th Perforation, flexible pipe（9）The other end mouth of pipe is to stretch into cooling cup through oblate cylindricality depressed part（3）Mode connect cooling cup（3）, meter Measuring tank（1）Outside is provided with volume metering scale.

2. the assay device that simulation wax according to claim 1 deposits on metal pipe-wall, is characterized in that：Shaft-like thermometer （4）It is in shaft-like mercurial thermometer or in shaft-like thermocouple thermometer.