CN107806847A - A kind of pre- film thickness test device of corrosion inhibiter and method - Google Patents
A kind of pre- film thickness test device of corrosion inhibiter and method Download PDFInfo
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- CN107806847A CN107806847A CN201711015622.1A CN201711015622A CN107806847A CN 107806847 A CN107806847 A CN 107806847A CN 201711015622 A CN201711015622 A CN 201711015622A CN 107806847 A CN107806847 A CN 107806847A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
- G01B21/08—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness for measuring thickness
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Abstract
The present invention relates to a kind of pre- film thickness test device of corrosion inhibiter and method, belong to oil gas ground gathering-transferring technology field, the actual Bottomhole pressure situation in simulation scene, temperature-adjustment pressure-adjustment system, horizontal pipeline section test system, elbow test system, fluctuating pipeline section test system, receipts ball system, service system, corrosion inhibiter loading system etc. are designed, means are provided for the test pre- film thickness of corrosion inhibiter；Film thickness monitoring piece processing Job Operations flow, the pre- film Job Operations flow of corrosion inhibiter etc. are designed, inhibitor film thickness on piece is monitored by film thickness after measuring pre- film every time, analyzes pre- film quality.A kind of pre- film thickness test device of corrosion inhibiter of the present invention and method, can be pushed the ball tolerance, pressure of pushing the ball by circular track test analysis difference, different angle elbow, pipeline fluctuation degree and different corrosion inhibiter adding amounts, type, temperature, corrosion inhibiter and diesel oil proportioning etc. influence of the factor to the pre- film thickness of corrosion inhibiter, it is preferred that pre- film operation process, assesses pre- film quality.
Description
Technical field
The present invention relates to a kind of pre- film thickness test device of corrosion inhibiter and method, belong to oil gas ground gathering-transferring technology field.
Background technology
High sulfur Gas Fields use moisture gathering and transportation technology, may face internal corrosion risk, cause the damage of pipeline and equipment, drop
The service life of low equipment and pipeline, effectively anti-corrosion means include at present：From anti-H 2 S material, filling corrosion inhibiter, delay
The pre- film of agent, undercoating etc. are lost, wherein it is good periodically to carry out the pre- film operation antiseptic effect of corrosion inhibiter.
The pre- film thickness of corrosion inhibiter directly affects antiseptic effect, and live several factors can all influence the pre- film thickness of corrosion inhibiter, bag
Include：Inner-walls of duct clean-up performance, density of corrosion inhibitor, corrosion inhibiter adding amount, preliminary filming time etc..In order to improve the pre- film quality of corrosion inhibiter
Amount is, it is necessary to study influence of the various factors to pre- film thickness.So far, on pre- film thickness influence factor on open source literature
Research is tested, such research method can not be true all in laboratory stage using the circuit more much smaller than actual pipe diameter
Situation in real reflection field pipes, has some limitations.Meanwhile the side of Corrosion monitoring is often used when analyzing pre- film thickness
Formula, conventional lacing film can influence pre- film and push the ball operation.Therefore, a kind of pre- film thickness test device of corrosion inhibiter of the present invention and method, from
Ensuring that the height of pipeline safety conveying is set out, comprehensive analysis, which influences high sulfur Gas Fields gathering line, influences the factor of pre- film quality,
To improve pre- film quality as means, reach the purpose of control gathering line internal corrosion.Meanwhile to optimize the pre- film job stream of corrosion inhibiter
Journey provides foundation.
It can be seen that influenceing the factor of pre- film thickness by studying, density of corrosion inhibitor, corrosion inhibiter filling are dense when optimizing pre- film operation
Degree, preliminary filming time etc., pre- film quality is improved, reduce pipeline corrosion speed, have important practical significance, while optimize corrosion inhibiter
Adding amount, density of corrosion inhibitor can produce significant economic benefit.
The content of the invention
It is an object of the invention to provide a kind of pre- film thickness test device of corrosion inhibiter and method, preferably to study shadow
The factor of corrosion inhibiter and pre- film thickness is rung, optimizes pre- film work flow, reduces pipeline corrosion speed, it is ensured that acid gas field is wet natural
The safe and stable operation of gas gathering line.
Present invention mainly solves following problem：1. designing film thickness detection lug processing work flow, pass through research
Corrosion inhibiter distribution situation on film thickness detection lug, analyzes pre- film thickness after each pre- film；2. formulate the pre- film job stream of corrosion inhibiter
Journey, specification circular track test operating process, it is ensured that test safe and accurate progress；3. design temperature-adjustment pressure-adjustment system, the test of horizontal pipeline section
System, elbow test system, fluctuating pipeline section test system, corrosion inhibiter loading system, corrosion inhibiter is studied by circular track test and filled
Shadow of the factors such as amount, concentration, type, temperature, tolerance of pushing the ball, different angle elbow, pipeline fluctuation degree to the pre- film thickness of corrosion inhibiter
Ring；4. film thickness detection lug processing method is proposed, it is pre- by copper-bath infusion method and dichloromethane solution ablution, analysis
Film effect.
To achieve these goals, technical scheme is as follows.
A kind of pre- film thickness method of testing of corrosion inhibiter, comprises the following steps：
S1, corrosion inhibiter pretreatment：
S101, blowdown pipeline 501 is opened, remove raffinate in corrosion inhibiter storage tank 505；
S102, close blowdown pipeline 501, open atmospheric valve 506, passing through entrucking pipeloop 502 or corrosion inhibiter tank car
Corrosion inhibiter is injected corrosion inhibiter storage tank 505, observation corrosion inhibiter pressure tank table 507 and the reading of tank gage 508 by 503；
S103, high-pressure pump 509 is opened, corrosion inhibiter is injected into temperature control tank 510；
S104, outer note diesel oil valve 514 is opened, appropriate diesel oil is injected into diesel fuel tank 515；
S105, diesel oil dispenser pump 516 is opened by diesel oil injection temperature control tank 510；
S106, by observing corrosion inhibiter flowmeter 512 and diesel oil flowmeter 517, corrosion inhibiter of the control into temperature control tank 510
With diesel fuel ratio；
S107, open the electric mixer pushed up positioned at temperature control tank 510, it is ensured that corrosion inhibiter is well mixed with diesel oil.
S2, work flow process film Thickness sensitivity piece 19 is processed according to film thickness detection lug, the processing of film thickness detection lug is made
Industry flow is：
Q1, the lacing film for processing speciality, lacing film material is L360QS, is shaped as circular arc, radian is consistent with pipe hole；
Q2, with sand paper film thickness detection lug 19 is polished step by step to 1000#, until surface is uniformly bright and clean；
Q3, it is put into oil removing in acetone soln；
Q4, it is put into degreasing in absolute ethyl alcohol；
Q5, after being put into deionized water rinsing, film thickness detection lug 19 is dried；
Q6, leave and take the face directly contacted with wiper and sealed as experiment face, its lap with epoxy resin；
Q7, the film thickness detection lug 19 cleaned up numbered, then weighed, be accurate to 0.1mg, measurement, calculate lacing film
Size, calculate its surface area record data.
S3, the first test point 191, the second test point 192, the 3rd test point 193, the 4th test point the 194, the 5th test
2 film thickness detection lugs 19 are respectively hung at point 18, it is each to number (A), (B)；
S4, emptying, zero adjusting：Before on-test, fuelgas pipeline main valve 1202, fuel air valve are first opened
1203, fuel gas is blown into test track and runs about half an hour, drains the air in circuit, and to pressure sensing on circuit
Device 15 and temperature sensor 16 are returned to zero；
S5, acid gas temperature adjustment, pressure regulation：
S51, open fuelgas pipeline main valve 1202, enter heating furnace valve 1206, fuel gas is supplied it into heating furnace 1207
Burning consumption；
S52, by-passing valve 1211 is opened, control first throttle valve 1208, second throttle 1209, the 3rd choke valve 1210 are opened
Degree；
S53, fuelgas pipeline main valve 1202 is opened, the acid gas after pressure regulation, temperature adjustment is introduced into experiment by acid gas pipe 1212
Circuit；
S6, according to wiper service work flow transmitting wiper, debris in clearance test circuit.
S7, ball work flow reception wiper is received according to wiper.
S8, the pre- film work flow of corrosion inhibiter is formulated, carry out the pre- film operation of corrosion inhibiter, the pre- film work flow of corrosion inhibiter is：
M1, site technique flow confirm：Confirm corrosion inhibiter overfall 106, the 3rd check valve 107, corrosion inhibiter fill valve
108th, the 4th check valve 109, blow-down pipe valve 1010, the 5th check valve 1011, service atmospheric valve 1016, bypass pipe valve 1019,
First service valve 101, second service valve 102, the 3rd sphere-lok on balanced valve 105 and straight length 1017 at concentric reducer 1020
103rd, the 4th sphere-lok 104 is closed；
M2, it is oriented to wiper operation in place：
M21, blind plate is opened, to being sprayed inside ball cylinder with clear water, collect sewage；
M22, the operation maintenance for carrying out blind plate：Check sealing ring, coating butter etc.；
M23, with explosion-proof drivers wiper is pushed at concentric reducer 1020, and determines that sealing is good；
M24, close blind plate；
M25, open service atmospheric valve 1016；
M26, opening fuel air valve 1203 are purged, and purify residual air；
M27, oxygen content close fuel air valve 1203, close service atmospheric valve 1016 when being less than 2%；
M3, corrosion inhibiter filling operation：
M31, close second service valve 102；
M32, open corrosion inhibiter fill valve 108；
M33, fill valve 511 is opened, open dispenser pump 513；
Corrosion inhibiter fill valve 108 is closed after the completion of M34, injection；
M4, the operation in place of film wiper：
M41, open blind plate；
M42, with explosion-proof drivers film wiper is pushed at concentric reducer, and determines that sealing is good；
M43, close blind plate；
M44, opening fuel air valve 1203 are purged, and purify residual air；
M45, oxygen content close fuel air valve 1203 when being less than 2%；
M46, observation pressure, 0.6MPa pressure is established with fuel gas by film wiper rear end；
M47, corrosion inhibiter overfall 106 is slowly opened to standard-sized sheet, discharge the gas between liquid level and tube wall；
M48, when gas is not in discharge, close corrosion inhibiter overfall 106；
M5, send pre- film wiper：
M51, bypass pipe valve 1019, service intake valve 1012 are opened, draw acid gas and enter service cylinder；
M52, the first service valve 101 on unlatching straight length 1017, the 3rd sphere-lok 103, the 4th sphere-lok 104, draw acid
Gas enters until pressure balance；
M53, pressure steadily open second service valve 102 afterwards；
M54, service intake valve 1018 is closed, served a ball, notice receives ball end；
M6, flow resume operation：
M61, confirm that wiper is outbound, standard-sized sheet service intake valve 1018；
M62, the first service valve 101 closed on straight length 1017, second service valve 102, the 3rd sphere-lok the 103, the 4th
Sphere-lok 104, close service intake valve 1012；
M63, opening service atmospheric valve 1016 are vented；
M64, opening fuel air valve 1203 are purged, and purify residual air；
M65, in wide range pressure gauge drain detect concentration of hydrogen sulfide and oxygen content with multifunctional gas detector；
M66, hydrogen sulfide content are less than 20ppm, and oxygen content closes fuel air valve 1203, service atmospheric valve when being less than 2%
1016；
M67, observation pressure gauge reading situation, open manual vent valve, and emptying gas are zero until pressure, and closing is put manually
Empty valve；
M68, confirm that main line flow and service flow switching finish, pre- film service operation is completed.
S9, the pre- film wiper of ball work flow reception is received according to wiper.
S10, take out in the first test point 191, the second test point 192, the 3rd test point 193, the 4th test point 194, the
The 10 film thickness detection lugs 19 installed at five test points 18, are divided into 2 groups, and it is (A) that wherein first group, which includes numbering in 5 test points,
Film thickness detection lug 19, second group includes the film thickness detection lug 19 that numbering in 5 test points is (B).
S11,5 film thickness detection lugs 19 of first group are respectively put into 1% copper-bath, after immersion 10 seconds, stood
It is put into and fills in the hydrochloric acid solution that pH value is 2~3, observes the copper coating in test piece, the face replaced according to strip by Cu
Product judges film-formation result, and it is fewer that surface is replaced area, illustrates that corrosion inhibiter adsorbed film is more complete.
S12,5 film thickness detection lugs 19 of second group are respectively put into the hopper for filling dichloromethane solution, one section
Film thickness detection lug 19 is taken out after time, the dichloromethane in hopper is removed using rotary evaporator, dichloromethane will be removed
Solution be placed on and weigh up in advance in the aluminium dish of weight, be put into 50 DEG C of vacuum drying oven, after drying, aluminium dish weighed again, institute
Obtained weight difference is exactly the weight of corrosion inhibiter, and according to the area of film thickness detection lug 19, calculating film thicknesses detection lug 19 is often put down
Inhibition dosage on square cm surface, further according to corrosion inhibiter density, calculate inhibitor film thickness.
S13, the first elbow test system 11, the second elbow test system 14, triple section arm test system 20 dismantled down
To be handled, pre- film thickness of the experimental test corrosion inhibiter at different angle horizontal elbow.
S14, control are different into the corrosion inhibiter and diesel fuel ratio of temperature control tank 510, repeat step S2~S12, experimental test
Under density of corrosion inhibitor operating mode, the pre- film thickness of corrosion inhibiter in circuit.
When S15, filling corrosion inhibiter, closing second service valve 102, the 3rd sphere-lok 103, the when fill corrosion inhibiter respectively
Four sphere-loks 104, repeat step S2~S12, under experimental test difference corrosion inhibiter adding amount operating mode, the pre- thickness of corrosion inhibiter in circuit
Degree.
S16, change the corrosion inhibiter species for entering temperature control tank 510, repeat step S2~S12, experimental test difference corrosion inhibiter
Under species operating mode, the pre- film thickness of corrosion inhibiter in circuit.
S17, the temperature for changing temperature control tank 510, repeat step S2~S12, under experimental test difference corrosion inhibiter temperature case,
The pre- film thickness of corrosion inhibiter in circuit.
S18, change first throttle valve 1208, second throttle 1209, the aperture of the 3rd choke valve 1210, repeat step S2
~S12, experimental test difference are pushed the ball under tolerance operating mode, the pre- film thickness of corrosion inhibiter in circuit.
S19, the pipeline section waviness for changing fluctuating pipeline section test system 17, under experimental test difference pipeline fluctuation degree operating mode,
The pre- film thickness of corrosion inhibiter in circuit.
Further, the pre- film thickness test device of a kind of corrosion inhibiter, it is characterised in that：Including fuelgas pipeline 1, acid gas pipe
Line 2, return valve 3, moisture trap 4, corrosion inhibiter loading system 5, sewage disposal system 6, emptying safety valve 7, blow-down pipe 8,
Receive ball system 9, service system 10, the first elbow test system 11, temperature-adjustment pressure-adjustment system 12, horizontal pipeline section test system 13, the
Double section belt arm test system 14, pressure sensor 15, temperature sensor 16, fluctuating pipeline section test system 17, the 5th test point 18, film
Thickness sensitivity piece 19, triple section arm test system 20；
Temperature-adjustment pressure-adjustment system 12 is connected with fuelgas pipeline 1, acid gas pipeline 2 and service system 10, horizontal pipeline section test system
Unite the 13, second elbow test system 14, fluctuating pipeline section test system 17, the first elbow test system 11, triple section arm test system
System 20, receipts ball system 9 are linked in sequence, the first test point 191, the second test point 192, the 3rd test point 193, the 4th test point
194th, the 5th test point 18, pressure sensor 15, temperature sensor 16 are distributed in test track, receive ball system 9 and blow-down pipe
Line 8, moisture trap 4 are connected with sewage disposal system 6, and moisture trap 4 is connected to acid gas pipeline 2, corrosion inhibiter loading system 5
It is connected with service system 10.
Further, temperature-adjustment pressure-adjustment system 12 includes：Acid gas pipeline main valve 1201, fuelgas pipeline main valve 1202, fuel
Air valve 1203, acid gas flowmeter 1204, fuel gas surge tank 1205, enter heating furnace valve 1206, heating furnace 1207, the 3rd choke valve
1208th, second throttle 1209, first throttle valve 1210, by-passing valve 1211, acid gas pipe 1212, fuel gas pipe 1213.
By-passing valve 1211, first throttle valve 1210, second throttle 1209, the 3rd choke valve 1208, heating furnace 1207 according to
Secondary connection, acid gas flowmeter 1204 and acid gas pipeline main valve 1201 are arranged on acid gas pipe 1212, and fuel gas is from fuel gas pipe
1213 enter through the incoming fuel gas surge tank 1205 of fuelgas pipeline main valve 1202, a part of fuel gas through entering heating furnace valve 1206
Heating furnace 1207, a part of fuel gas is through the incoming fuel tracheae 1213 of fuel air valve 1203.
Further, service system 10 includes：First service valve 101, second service valve 102, the 3rd sphere-lok 103,
Four sphere-loks 104, balanced valve 105, corrosion inhibiter overfall 106, the 3rd check valve 107, corrosion inhibiter fill valve the 108, the 4th are unidirectional
Valve 109, blow-down pipe valve 1010, the 5th check valve 1011, service intake valve 1012, service pressure sensor 1013, service temperature
Spend sensor 1014, service cylinder 1015, service atmospheric valve 1016, straight length 1017, service intake valve 1018, bypass pipe valve
1019th, concentric reducer 1020, service threeway 1021.
Cylinder 1015 of serving a ball is arranged on the original position of test track, and afterbody connection service atmospheric valve 1016, head is size
First 1020, middle part passes through pipeline and size equipped with service pressure sensor 1013 and service temperature sensor 1014, balanced valve 105
First 1020 are connected with service cylinder 1015, second service valve 102, the 3rd sphere-lok 103, the 4th sphere-lok 104 and first service valve
101 are sequentially arranged on straight length 1017, corrosion inhibiter overfall 106, the 3rd check valve 107, corrosion inhibiter fill valve the 108, the 4th
Check valve 109, blow-down pipe valve 1010, the 5th check valve 1011 are located at the left side of first service valve 101, service intake valve 1018 with
Bypass pipe valve 1019 is connected with service intake valve 1012 by pipeline, and service threeway 1021 is located at the left side of straight length 1017.
Further, receiving ball system 9 includes：Intake valve 91, receive ball valve 92, the first valve 93, the second valve 94, air outlet valve
95th, the first check valve 96, raffinate dump valve 97, the second check valve 98, remaining corrosion inhibiter dump valve 99, safety valve 910, ball collecting chamber
911st, fuel air valve 912, pigging threeway 913, corrosion inhibiter surge drum 914, corrosion inhibiter outlet 915.
Ball collecting chamber 911 is located at the afterbody of test track, safety valve 910, the first check valve 96, raffinate dump valve 97, second
Check valve 98, remaining corrosion inhibiter dump valve 99 are arranged on the afterbody of ball collecting chamber 911, and raffinate dump valve 97 passes through pipeline and sewage disposal
System 6 is connected, and remaining corrosion inhibiter dump valve 99 is connected with corrosion inhibiter outlet 915 by pipeline, connects outside corrosion inhibiter outlet 915
Corrosion inhibiter surge drum 914, the first valve 93, the second valve 94 are arranged on the head of ball collecting chamber 911, pigging threeway 913 and intake valve
91st, receipts ball valve 92, air outlet valve 95 are connected, and the pipeline by fuel air valve 912 is being received between ball valve 92 and ball collecting chamber 911.
Further, corrosion inhibiter loading system 5 includes：Blowdown pipeline 501, entrucking pipeloop 502, corrosion inhibiter tank car
503rd, corrosion inhibiter pump 504, corrosion inhibiter storage tank 505, atmospheric valve 506, corrosion inhibiter pressure tank table 507, tank gage 508, high-pressure pump
509th, temperature control tank 510, fill valve 511, corrosion inhibiter flowmeter 512, dispenser pump 513, outer note diesel oil valve 514, diesel fuel tank 515, bavin
Oily dispenser pump 516, diesel oil flowmeter 517, mixed flow gauge 518.
Corrosion inhibiter in corrosion inhibiter storage tank 505 can be filled by entrucking pipeloop 502, can also be through corrosion inhibiter tank car
503 are filled by corrosion inhibiter pump 504, and impurity can be discharged by blowdown pipeline 501 in corrosion inhibiter storage tank 505, tank gage 508, inhibition
Agent pressure tank table 507, atmospheric valve 506 are arranged on corrosion inhibiter storage tank 505, and high-pressure pump 509 passes through pipeline and corrosion inhibiter storage tank 505
Connected with inhibition agent flux meter 512, diesel fuel tank 515 is connected with temperature control tank 510, and diesel oil dispenser pump 516, diesel oil flowmeter 517 are pacified
On pipeline, diesel oil injects diesel fuel tank 515 by outer note diesel oil valve 514, and diesel oil passes through dispenser pump 513 with inhibition agent composition
Enter service system 10 through fill valve 511, mixed flow gauge 518.
The beneficial effect of the invention is：
(1) present invention is generally directed to high sulfur Gas Fields gathering system, the pre- film thickness test device of corrosion inhibiter and method are designed,
Circular track test research corrosion inhibiter adding amount, concentration, type, temperature, tolerance of pushing the ball, different angle elbow, pipeline fluctuation degree etc. because
Influence of the element to the pre- film quality of corrosion inhibiter, optimizes pre- film work flow, reduces corrosive pipeline speed.
(2) film thickness detection lug is designed, film thickness detection lug processing work flow is formulated, after research every time pre- film
Corrosion inhibiter distribution situation on film thickness detection lug, analyzes pre- film thickness.
(3) by formulating the pre- film work flow of corrosion inhibiter, specification circular track test operating process, it is ensured that experiment is safe and accurate
Carry out.
(4) film thickness detection lug processing method is proposed, by copper-bath infusion method and dichloromethane solution ablution,
Pre-film effect can be analyzed.
Brief description of the drawings
Fig. 1 is circuit experimental rig schematic diagram in the embodiment of the present invention.
Fig. 2 is system schematic of being served a ball in the embodiment of the present invention.
Fig. 3 is receipts ball system schematic in the embodiment of the present invention.
Fig. 4 is corrosion inhibiter loading system schematic diagram in the embodiment of the present invention.
Fig. 5 is 10 ° of schematic diagrames of pipeline fluctuation in the embodiment of the present invention.
Fig. 6 is 30 ° of schematic diagrames of pipeline fluctuation in the embodiment of the present invention.
Fig. 7 is 60 ° of schematic diagrames of pipeline fluctuation in the embodiment of the present invention.
Embodiment
The embodiment of the present invention is described below in conjunction with the accompanying drawings, to be better understood from the present invention.
Embodiment
In the present embodiment, device is intended installing at the scene on the bypass line of pipe string.
As shown in Fig. 1 circular track test schematic devices, a kind of pre- film thickness test device of corrosion inhibiter, including fuelgas pipeline
1st, acid gas pipeline 2, return valve 3, moisture trap 4, corrosion inhibiter loading system 5, sewage disposal system 6, emptying safety valve 7, put
Blank pipe line 8, receive ball system 9, service system 10, the first elbow test system 11, temperature-adjustment pressure-adjustment system 12, horizontal pipeline section test system
The 13, second elbow test system 14, pressure sensor 15, temperature sensor 16, the fluctuating pipeline section test system the 17, the 5th of uniting are tested
Point 18, film thickness detection lug 19, triple section arm test system 20；
Temperature-adjustment pressure-adjustment system 12 is connected with fuelgas pipeline 1, acid gas pipeline 2 and service system 10, horizontal pipeline section test system
Unite the 13, second elbow test system 14, fluctuating pipeline section test system 17, the first elbow test system 11, triple section arm test system
System 20, receipts ball system 9 are linked in sequence, the first test point 191, the second test point 192, the 3rd test point 193, the 4th test point
194th, the 5th test point 18, pressure sensor 15, temperature sensor 16 are distributed in test track, receive ball system 9 and blow-down pipe
Line 8, moisture trap 4 are connected with sewage disposal system 6, and moisture trap 4 is connected to acid gas pipeline 2, corrosion inhibiter loading system 5
It is connected with service system 10.
Temperature-adjustment pressure-adjustment system 12 includes：Acid gas pipeline main valve 1201, fuelgas pipeline main valve 1202, fuel air valve 1203,
Acid gas flowmeter 1204, fuel gas surge tank 1205, enter heating furnace valve 1206, heating furnace 1207, the 3rd choke valve 1208, second
Choke valve 1209, first throttle valve 1210, by-passing valve 1211, acid gas pipe 1212, fuel gas pipe 1213.
By-passing valve 1211, first throttle valve 1210, second throttle 1209, the 3rd choke valve 1208, heating furnace 1207 according to
Secondary connection, acid gas flowmeter 1204 and acid gas pipeline main valve 1201 are arranged on acid gas pipe 1212, and fuel gas is from fuel gas pipe
1213 enter through the incoming fuel gas surge tank 1205 of fuelgas pipeline main valve 1202, a part of fuel gas through entering heating furnace valve 1206
Heating furnace 1207, a part of fuel gas is through the incoming fuel tracheae 1213 of fuel air valve 1203.
A kind of pre- film thickness method of testing of corrosion inhibiter, comprises the following steps：
S1, corrosion inhibiter pretreatment：
S101, blowdown pipeline 501 is opened, remove raffinate in corrosion inhibiter storage tank 505；
S102, close blowdown pipeline 501, open atmospheric valve 506, passing through entrucking pipeloop 502 or corrosion inhibiter tank car
Corrosion inhibiter is injected corrosion inhibiter storage tank 505, observation corrosion inhibiter pressure tank table 507 and the reading of tank gage 508 by 503；
S103, high-pressure pump 509 is opened, corrosion inhibiter is injected into temperature control tank 510；
S104, outer note diesel oil valve 514 is opened, appropriate diesel oil is injected into diesel fuel tank 515；
S105, diesel oil dispenser pump 516 is opened by diesel oil injection temperature control tank 510；
S106, by observing corrosion inhibiter flowmeter 512 and diesel oil flowmeter 517, corrosion inhibiter of the control into temperature control tank 510
With diesel fuel ratio；
S107, open the electric mixer pushed up positioned at temperature control tank 510, it is ensured that corrosion inhibiter is well mixed with diesel oil.
S2, work flow process film Thickness sensitivity piece 19 is processed according to film thickness detection lug, the processing of film thickness detection lug is made
Industry flow is：
Q1, the lacing film for processing speciality, lacing film material is L360QS, is shaped as circular arc, radian is consistent with pipe hole；
Q2, with sand paper film thickness detection lug 19 is polished step by step to 1000#, until surface is uniformly bright and clean；
Q3, it is put into oil removing in acetone soln；
Q4, it is put into degreasing in absolute ethyl alcohol；
Q5, after being put into deionized water rinsing, film thickness detection lug 19 is dried；
Q6, leave and take the face directly contacted with wiper and sealed as experiment face, its lap with epoxy resin；
Q7, the film thickness detection lug 19 cleaned up numbered, then weighed, be accurate to 0.1mg, measurement, calculate lacing film
Size, calculate its surface area record data.
S3, the first test point 191, the second test point 192, the 3rd test point 193, the 4th test point the 194, the 5th test
2 film thickness detection lugs 19 are respectively hung at point 18, it is each to number (A), (B)；
S4, emptying, zero adjusting：Before on-test, fuelgas pipeline main valve 1202, fuel air valve are first opened
1203, fuel gas is blown into test track and runs about half an hour, drains the air in circuit, and to pressure sensing on circuit
Device 15 and temperature sensor 16 are returned to zero；
S5, acid gas temperature adjustment, pressure regulation：
S51, open fuelgas pipeline main valve 1202, enter heating furnace valve 1206, fuel gas is supplied it into heating furnace 1207
Burning consumption；
S52, by-passing valve 1211 is opened, control first throttle valve 1208, second throttle 1209, the 3rd choke valve 1210 are opened
Degree；
S53, fuelgas pipeline main valve 1202 is opened, the acid gas after pressure regulation, temperature adjustment is introduced into experiment by acid gas pipe 1212
Circuit；
S6, according to wiper service work flow transmitting wiper, debris in clearance test circuit.
S7, ball work flow reception wiper is received according to wiper.
S8, the pre- film work flow of corrosion inhibiter is formulated, carry out the pre- film operation of corrosion inhibiter, the pre- film work flow of corrosion inhibiter is：
M1, site technique flow confirm：Confirm corrosion inhibiter overfall 106, the 3rd check valve 107, corrosion inhibiter fill valve
108th, the 4th check valve 109, blow-down pipe valve 1010, the 5th check valve 1011, service atmospheric valve 1016, bypass pipe valve 1019,
First service valve 101, second service valve 102, the 3rd sphere-lok on balanced valve 105 and straight length 1017 at concentric reducer 1020
103rd, the 4th sphere-lok 104 is closed；
M2, it is oriented to wiper operation in place：
M21, blind plate is opened, to being sprayed inside ball cylinder with clear water, collect sewage；
M22, the operation maintenance for carrying out blind plate：Check sealing ring, coating butter etc.；
M23, with explosion-proof drivers wiper is pushed at concentric reducer 1020, and determines that sealing is good；
M24, close blind plate；
M25, open service atmospheric valve 1016；
M26, opening fuel air valve 1203 are purged, and purify residual air；
M27, oxygen content close fuel air valve 1203, close service atmospheric valve 1016 when being less than 2%；
M3, corrosion inhibiter filling operation：
M31, close second service valve 102；
M32, open corrosion inhibiter fill valve 108；
M33, fill valve 511 is opened, open dispenser pump 513；
Corrosion inhibiter fill valve 108 is closed after the completion of M34, injection；
M4, the operation in place of film wiper：
M41, open blind plate；
M42, with explosion-proof drivers film wiper is pushed at concentric reducer, and determines that sealing is good；
M43, close blind plate；
M44, opening fuel air valve 1203 are purged, and purify residual air；
M45, oxygen content close fuel air valve 1203 when being less than 2%；
M46, observation pressure, 0.6MPa pressure is established with fuel gas by film wiper rear end；
M47, corrosion inhibiter overfall 106 is slowly opened to standard-sized sheet, discharge the gas between liquid level and tube wall；
M48, when gas is not in discharge, close corrosion inhibiter overfall 106；
M5, send pre- film wiper：
M51, bypass pipe valve 1019, service intake valve 1012 are opened, draw acid gas and enter service cylinder；
M52, the first service valve 101 on unlatching straight length 1017, the 3rd sphere-lok 103, the 4th sphere-lok 104, draw acid
Gas enters until pressure balance；
M53, pressure steadily open second service valve 102 afterwards；
M54, service intake valve 1018 is closed, served a ball, notice receives ball end；
M6, flow resume operation：
M61, confirm that wiper is outbound, standard-sized sheet service intake valve 1018；
M62, the first service valve 101 closed on straight length 1017, second service valve 102, the 3rd sphere-lok the 103, the 4th
Sphere-lok 104, close service intake valve 1012；
M63, opening service atmospheric valve 1016 are vented；
M64, opening fuel air valve 1203 are purged, and purify residual air；
M65, in wide range pressure gauge drain detect concentration of hydrogen sulfide and oxygen content with multifunctional gas detector；
M66, hydrogen sulfide content are less than 20ppm, and oxygen content closes fuel air valve 1203, service atmospheric valve when being less than 2%
1016；
M67, observation pressure gauge reading situation, open manual vent valve, and emptying gas are zero until pressure, and closing is put manually
Empty valve；
M68, confirm that main line flow and service flow switching finish, batch processing service operation is completed.
S9, the pre- film wiper of ball work flow reception is received according to wiper.
S10, take out in the first test point 191, the second test point 192, the 3rd test point 193, the 4th test point 194, the
The 10 film thickness detection lugs 19 installed at five test points 18, are divided into 2 groups, and it is (A) that wherein first group, which includes numbering in 5 test points,
Film thickness detection lug 19, second group includes the film thickness detection lug 19 that numbering in 5 test points is (B).
S11,5 film thickness detection lugs 19 of first group are respectively put into 1% copper-bath, after immersion 10 seconds, stood
It is put into and fills in the hydrochloric acid solution that pH value is 2~3, observes the copper coating in test piece, the face replaced according to strip by Cu
Product judges film-formation result, and it is fewer that surface is replaced area, illustrates that corrosion inhibiter adsorbed film is more complete.
S12,5 film thickness detection lugs 19 of second group are respectively put into the hopper for filling dichloromethane solution, one section
Film thickness detection lug 19 is taken out after time, the dichloromethane in hopper is removed using rotary evaporator, dichloromethane will be removed
Solution be placed on and weigh up in advance in the aluminium dish of weight, be put into 50 DEG C of vacuum drying oven, after drying, aluminium dish weighed again, institute
Obtained weight difference is exactly the weight of corrosion inhibiter, and according to the area of film thickness detection lug 19, calculating film thicknesses detection lug 19 is often put down
Inhibition dosage on square cm surface, further according to corrosion inhibiter density, calculate inhibitor film thickness.
S13, the first elbow test system 11, the second elbow test system 14, triple section arm test system 20 dismantled down
To be handled, pre- film thickness of the experimental test corrosion inhibiter at different angle horizontal elbow.
S14, control are different into the corrosion inhibiter and diesel fuel ratio of temperature control tank 510, repeat step S2~S12, experimental test
Under density of corrosion inhibitor operating mode, the pre- film thickness of corrosion inhibiter in circuit.
When S15, filling corrosion inhibiter, closing second service valve 102, the 3rd sphere-lok 103, the when fill corrosion inhibiter respectively
Four sphere-loks 104, repeat step S2~S12, under experimental test difference corrosion inhibiter adding amount operating mode, the pre- thickness of corrosion inhibiter in circuit
Degree.
S16, change the corrosion inhibiter species for entering temperature control tank 510, repeat step S2~S12, experimental test difference corrosion inhibiter
Under species operating mode, the pre- film thickness of corrosion inhibiter in circuit.
S17, the temperature for changing temperature control tank 510, repeat step S2~S12, under experimental test difference corrosion inhibiter temperature case,
The pre- film thickness of corrosion inhibiter in circuit.
S18, change first throttle valve 1208, second throttle 1209, the aperture of the 3rd choke valve 1210, repeat step S2
~S12, experimental test difference are pushed the ball under tolerance operating mode, the pre- film thickness of corrosion inhibiter in circuit.
S19, the pipeline section waviness for changing fluctuating pipeline section test system 17, under experimental test difference pipeline fluctuation degree operating mode,
The pre- film thickness of corrosion inhibiter in circuit.As shown in Fig. 2 service system schematics, service system 10 includes：First service valve 101,
Two sphere-loks 102, the 3rd sphere-lok 103, the 4th sphere-lok 104, balanced valve 105, corrosion inhibiter overfall 106, the 3rd check valve
107th, corrosion inhibiter fill valve 108, the 4th check valve 109, blow-down pipe valve 1010, the 5th check valve 1011, service intake valve
1012nd, service pressure sensor 1013, service temperature sensor 1014, service cylinder 1015, service atmospheric valve 1016, straight length
1017th, service intake valve 1018, bypass pipe valve 1019, concentric reducer 1020, service threeway 1021.
Cylinder 1015 of serving a ball is arranged on the original position of test track, and afterbody connection service atmospheric valve 1016, head is size
First 1020, middle part passes through pipeline and size equipped with service pressure sensor 1013 and service temperature sensor 1014, balanced valve 105
First 1020 are connected with service cylinder 1015, second service valve 102, the 3rd sphere-lok 103, the 4th sphere-lok 104 and first service valve
101 are sequentially arranged on straight length 1017, corrosion inhibiter overfall 106, the 3rd check valve 107, corrosion inhibiter fill valve the 108, the 4th
Check valve 109, blow-down pipe valve 1010, the 5th check valve 1011 are located at the left side of first service valve 101, service intake valve 1018 with
Bypass pipe valve 1019 is connected with service intake valve 1012 by pipeline, and service threeway 1021 is located at the left side of straight length 1017.
As shown in Fig. 3 receipts ball system schematics, receiving ball system 9 includes：Intake valve 91, receive ball valve 92, the first valve 93, the
Two valves 94, air outlet valve 95, the first check valve 96, raffinate dump valve 97, the second check valve 98, remaining corrosion inhibiter dump valve 99,
Safety valve 910, ball collecting chamber 911, fuel air valve 912, pigging threeway 913, corrosion inhibiter surge drum 914, corrosion inhibiter outlet 915.
Ball collecting chamber 911 is located at the afterbody of test track, safety valve 910, the first check valve 96, raffinate dump valve 97, second
Check valve 98, remaining corrosion inhibiter dump valve 99 are arranged on the afterbody of ball collecting chamber 911, and raffinate dump valve 97 passes through pipeline and sewage disposal
System 6 is connected, and remaining corrosion inhibiter dump valve 99 is connected with corrosion inhibiter outlet 915 by pipeline, connects outside corrosion inhibiter outlet 915
Corrosion inhibiter surge drum 914, the first valve 93, the second valve 94 are arranged on the head of ball collecting chamber 911, pigging threeway 913 and intake valve
91st, receipts ball valve 92, air outlet valve 95 are connected, and the pipeline by fuel air valve 912 is being received between ball valve 92, ball collecting chamber 911.
As shown in Fig. 4 corrosion inhibiter loading system schematic diagrames, corrosion inhibiter loading system 5 includes：Blowdown pipeline 501, entrucking follow
Endless tube line 502, corrosion inhibiter tank car 503, corrosion inhibiter pump 504, corrosion inhibiter storage tank 505, atmospheric valve 506, corrosion inhibiter pressure tank table
507th, tank gage 508, high-pressure pump 509, temperature control tank 510, fill valve 511, corrosion inhibiter flowmeter 512, dispenser pump 513, outer note bavin
Fuel tap 514, diesel fuel tank 515, diesel oil dispenser pump 516, diesel oil flowmeter 517, mixed flow gauge 518.
Corrosion inhibiter in corrosion inhibiter storage tank 505 can be filled by entrucking pipeloop 502, can also be through corrosion inhibiter tank car
503 are filled by corrosion inhibiter pump 504, and impurity can be discharged by blowdown pipeline 501 in corrosion inhibiter storage tank 505, tank gage 508, inhibition
Agent pressure tank table 507, atmospheric valve 506 are arranged on corrosion inhibiter storage tank 505, and high-pressure pump 509 passes through pipeline and corrosion inhibiter storage tank 505
Connected with inhibition agent flux meter 512, diesel fuel tank 515 is connected with temperature control tank 510, and diesel oil dispenser pump 516, diesel oil flowmeter 517 are pacified
On pipeline, diesel oil injects diesel fuel tank 515 by outer note diesel oil valve 514, and diesel oil passes through dispenser pump 513 with inhibition agent composition
Enter service system 10 through fill valve 511, mixed flow gauge 518.
As shown in the undulated pipeline test section schematic diagram of Fig. 5,6,7, pipeline can be led to by steel wire rope pull-up certain angle, steel wire rope
Fixed pulley is crossed, fixed pulley is arranged on door shaped stent, and pipeline fluctuation degree can be 10 °, 30 °, 60 °.
Above is the preferred embodiment of the present invention, it is noted that for those skilled in the art,
Under the premise without departing from the principles of the invention, improvements and modifications can be also made, these improvements and modifications are also considered as the guarantor of the present invention
Protect scope.
Claims (8)
1. a kind of pre- film thickness method of testing of corrosion inhibiter, it comprises the following steps：
S1, corrosion inhibiter pretreatment：
S101, blowdown pipeline (501) is opened, remove corrosion inhibiter storage tank (505) interior raffinate；
S102, close blowdown pipeline (501), open atmospheric valve (506), passing through entrucking pipeloop (502) or corrosion inhibiter tank
Corrosion inhibiter is injected corrosion inhibiter storage tank (505) by car (503), observes corrosion inhibiter pressure tank table (507) and tank gage (508) reading；
S103, high-pressure pump (509) is opened, corrosion inhibiter is injected into temperature control tank (510)；
S104, outer note diesel oil valve (514) is opened, appropriate diesel oil is injected into diesel fuel tank (515)；
S105, diesel oil dispenser pump (516) is opened by diesel oil injection temperature control tank (510)；
S106, by observing corrosion inhibiter flowmeter (512) and diesel oil flowmeter (517), inhibition of the control into temperature control tank (510)
Agent and diesel fuel ratio；
S107, open the electric mixer positioned at temperature control tank (510) top, it is ensured that corrosion inhibiter is well mixed with diesel oil；
S2, according to film thickness detection lug process work flow process film Thickness sensitivity piece (19)；
S3, in the first test point (191), the second test point (192), the 3rd test point (193), the 4th test point (194), the 5th
Test point (18) place respectively hangs 2 film thickness detection lugs (19), each to number (A), (B)；
S4, emptying, zero adjusting：Before on-test, fuelgas pipeline main valve (1202), fuel air valve are first opened
(1203), fuel gas is blown into test track and runs about half an hour, drains the air in circuit, and pressure on circuit is passed
Sensor (15) and temperature sensor (16) are returned to zero；
S5, acid gas temperature adjustment, pressure regulation：
S51, open fuelgas pipeline main valve (1202), enter heating furnace valve (1206), fuel gas is supplied into heating furnace (1207)
Its consumption of burning；
S52, open by-passing valve (1211), control first throttle valve (1208), second throttle (1209), the 3rd choke valve
(1210) aperture；
S53, fuelgas pipeline main valve (1202) is opened, the acid gas after pressure regulation, temperature adjustment is introduced by acid gas pipeline (1212) and tried
Test circuit；
S6, according to wiper service work flow transmitting wiper, debris in clearance test circuit；
S7, ball work flow reception wiper is received according to wiper；
S8, the pre- film work flow of corrosion inhibiter is formulated, carry out the pre- film operation of corrosion inhibiter；
S9, the pre- film wiper of ball work flow reception is received according to wiper；
S10, take out in the first test point (191), the second test point (192), the 3rd test point (193), the 4th test point
(194), 10 film thickness detection lugs (19) of the 5th test point (18) place installation, it is divided into 2 groups, wherein first group includes 5 tests
Numbering is the film thickness detection lug (19) of (A) in point, and second group includes the film thickness detection lug that numbering in 5 test points is (B)
(19)；
S11,5 film thickness detection lugs (19) of first group are respectively put into 1% copper-bath, after immersion 10 seconds, immediately
It is put into and fills in the hydrochloric acid solution that pH value is 2~3, observes the copper coating in test piece, the area replaced according to strip by Cu
To judge film-formation result, it is fewer that surface is replaced area, illustrates that corrosion inhibiter adsorbed film is more complete；
S12,5 film thickness detection lugs (19) of second group are respectively put into the hopper for filling dichloromethane solution, at one section
Between after take out film thickness detection lug (19), using rotary evaporator remove hopper in dichloromethane, dichloromethane will be removed
Solution be placed on and weigh up in advance in the aluminium dish of weight, be put into 50 DEG C of vacuum drying oven, after drying, aluminium dish weighed again, institute
Obtained weight difference is exactly the weight of corrosion inhibiter, according to the area of film thickness detection lug (19), calculating film thicknesses detection lug (19)
Inhibition dosage on surface every square centimeter, further according to corrosion inhibiter density, calculate inhibitor film thickness；
S13, by the first elbow test system (11), the second elbow test system (14), triple section arm test system (20) dismantle
Get off to be handled, pre- film thickness of the experimental test corrosion inhibiter at different angle horizontal elbow；
S14, control are different slow into the corrosion inhibiter and diesel fuel ratio of temperature control tank (510), repeat step S2~S12, experimental test
Lose under agent concentration operating mode, the pre- film thickness of corrosion inhibiter in circuit；
When S15, filling corrosion inhibiter, closing second service valve (102), the 3rd sphere-lok (103), the when fill corrosion inhibiter respectively
Four sphere-loks (104), repeat step S2~S12, under experimental test difference corrosion inhibiter adding amount operating mode, the pre- film of corrosion inhibiter in circuit
Thickness；
S16, change the corrosion inhibiter species for entering temperature control tank (510), repeat step S2~S12, experimental test difference corrosion inhibiter kind
Under class operating mode, the pre- film thickness of corrosion inhibiter in circuit；
S17, the temperature for changing temperature control tank (510), repeat step S2~S12, under experimental test difference corrosion inhibiter temperature case, ring
The pre- film thickness of corrosion inhibiter in road；
S18, change first throttle valve (1208), second throttle (1209), the aperture of the 3rd choke valve (1210), repeat step
S2~S12, experimental test difference are pushed the ball under tolerance operating mode, the pre- film thickness of corrosion inhibiter in circuit；
S19, the pipeline section waviness for changing fluctuating pipeline section test system (17), under experimental test difference pipeline fluctuation degree operating mode, ring
The pre- film thickness of corrosion inhibiter in road.
A kind of 2. pre- film thickness method of testing of corrosion inhibiter according to claim 1, it is characterised in that：The pre- film of corrosion inhibiter
Work flow is：
Preparation before M1, service：Confirm corrosion inhibiter overfall (106), the 3rd check valve (107), corrosion inhibiter fill valve
(108), the 4th check valve (109), blow-down pipe valve (1010), the 5th check valve (1011), service atmospheric valve (1016), bypass
Pipe valve (1019), concentric reducer (1020) place balanced valve (105) and straight length (1017) on first service valve (101), second hair
Ball valve (102), the 3rd sphere-lok (103), the 4th sphere-lok (104) are closed；
M2, it is oriented to wiper operation in place：
M21, blind plate is opened, to being sprayed inside ball cylinder with clear water, collect sewage；
M22, the operation maintenance for carrying out blind plate：Check sealing ring, coating butter etc.；
M23, with explosion-proof drivers wiper is pushed into concentric reducer (1020) place, and determines that sealing is good；
M24, close blind plate；
M25, open service atmospheric valve (1016)；
M26, opening fuel air valve (1203) are purged, and purify residual air；
M27, oxygen content close fuel air valve (1203), close service atmospheric valve (1016) when being less than 2%；
M3, corrosion inhibiter filling operation：
M31, close second service valve (102)；
M32, open corrosion inhibiter fill valve (108)；
M33, fill valve (511) is opened, open dispenser pump (513)；
Corrosion inhibiter fill valve (108) is closed after the completion of M34, injection；
M4, the operation in place of film wiper：
M41, open blind plate；
M42, with explosion-proof drivers film wiper is pushed at concentric reducer, and determines that sealing is good；
M43, close blind plate；
M44, opening fuel air valve (1203) are purged, and purify residual air；
M45, oxygen content close fuel air valve (1203) when being less than 2%；
M46, observation pressure, 0.6MPa pressure is established with fuel gas by film wiper rear end；
M47, corrosion inhibiter overfall (106) is slowly opened to standard-sized sheet, discharge the gas between liquid level and tube wall；
M48, when gas not discharge when, close corrosion inhibiter overfall (106)；
M5, send pre- film wiper：
M51, bypass pipe valve (1019), service intake valve (1012) are opened, draw acid gas and enter service cylinder；
M52, the first service valve (101) on unlatching straight length (1017), the 3rd sphere-lok (103), the 4th sphere-lok (104),
Draw acid gas to enter until pressure balance；
M53, pressure steadily open second service valve (102) afterwards；
M54, service intake valve (1018) is closed, served a ball, notice receives ball end；
M6, flow resume operation：
M61, confirm that wiper is outbound, standard-sized sheet service intake valve (1018)；
M62, the first service valve (101) closed on straight length (1017), second service valve (102), the 3rd sphere-lok (103),
4th sphere-lok (104), close service intake valve (1012)；
M63, opening service atmospheric valve (1016) are vented；
M64, opening fuel air valve (1203) are purged, and purify residual air；
M65, in wide range pressure gauge drain detect concentration of hydrogen sulfide and oxygen content with multifunctional gas monitor；
M66, hydrogen sulfide content are less than 20ppm, and oxygen content closes fuel air valve (1203), service atmospheric valve when being less than 2%
(1016)；
M67, observation pressure gauge reading situation, open manual vent valve, and emptying gas are zero until pressure, close manual vent valve
Door；
M68, confirm that main line flow and service flow switching finish, pre- film service operation is completed.
A kind of 3. pre- film thickness method of testing of corrosion inhibiter according to claim 1, it is characterised in that：The film thickness detection
Piece processes work flow：
Q1, the lacing film for processing speciality, lacing film material is L360QS, is shaped as circular arc, radian is consistent with pipe hole；
Q2, with sand paper film thickness detection lug (19) is polished step by step to 1000#, until surface is uniformly bright and clean；
Q3, it is put into oil removing in acetone soln；
Q4, it is put into degreasing in absolute ethyl alcohol；
Q5, after being put into deionized water rinsing, film thickness detection lug (19) is dried；
Q6, leave and take the face directly contacted with wiper and sealed as experiment face, its lap with epoxy resin；
Q7, the film thickness detection lug (19) cleaned up numbered, then weigh, be accurate to 0.1mg, measurement, calculate lacing film chi
It is very little, calculate its surface area record data.
A kind of 4. pre- film thickness test device of corrosion inhibiter, it is characterised in that：Including fuelgas pipeline (1), acid gas pipeline (2), return
Flow valve (3), moisture trap (4), corrosion inhibiter loading system (5), sewage disposal system (6), emptying safety valve (7), blow-down pipe
Line (8), receive ball system (9), service system (10), the first elbow test system (11), temperature-adjustment pressure-adjustment system (12), horizontal pipeline section
Test system (13), the second elbow test system (14), pressure sensor (15), temperature sensor (16), the test of fluctuating pipeline section
System (17), the 5th test point (18), film thickness detection lug (19), triple section arm test system (20)；
The temperature-adjustment pressure-adjustment system (12) is connected with fuelgas pipeline (1), acid gas pipeline (2) and service system (10), the water
Flat tube section test system (13), the second elbow test system (14), fluctuating pipeline section test system (17), the first elbow test system
(11), triple section arm test system (20), receipts ball system (9) are linked in sequence, first test point (191), the second test point
(192), the 3rd test point (193), the 4th test point (194), the 5th test point (18), pressure sensor (15), TEMP
Device (16) is distributed in test track, the receipts ball system (9) and blow-down pipe (8), moisture trap (4) and sewage disposal system
Uniting, (6) are connected, and moisture trap (4) is connected to acid gas pipeline (2), the corrosion inhibiter loading system (5) and service system (10)
It is connected.
A kind of 5. pre- film thickness test device of corrosion inhibiter according to claim 4, it is characterised in that：The temperature-adjustment pressure-adjustment system
System (12) includes：Acid gas pipeline main valve (1201), fuelgas pipeline main valve (1202), fuel air valve (1203), acid gas flowmeter
(1204), fuel gas surge tank (1205), enter heating furnace valve (1206), heating furnace (1207), the 3rd choke valve (1208), second
Choke valve (1209), first throttle valve (1210), by-passing valve (1211), acid gas pipe (1212), fuel gas pipe (1213)；
The by-passing valve (1211), first throttle valve (1210), second throttle (1209), the 3rd choke valve (1208), heating
Stove (1207) is sequentially connected, and acid gas flowmeter (1204) and acid gas pipeline main valve (1201) are arranged on acid gas pipe (1212), combustion
Expect gas from fuel gas pipe (1213) through fuelgas pipeline main valve (1202) incoming fuel gas surge tank (1205), a part of fuel gas
Enter heating furnace (1207) through entering heating furnace valve (1206), a part of fuel gas is through fuel air valve (1203) incoming fuel gas pipeline
(1213)。
A kind of 6. pre- film thickness test device of corrosion inhibiter according to claim 4, it is characterised in that：The service system
(10) include：First service valve (101), second service valve (102), the 3rd sphere-lok (103), the 4th sphere-lok (104), balance
Valve (105), corrosion inhibiter overfall (106), the 3rd check valve (107), corrosion inhibiter fill valve (108), the 4th check valve (109),
Blow-down pipe valve (1010), the 5th check valve (1011), service intake valve (1012), service pressure sensor (1013), service
Temperature sensor (1014), service cylinder (1015), service atmospheric valve (1016), straight length (1017), service intake valve (1018),
Bypass pipe valve (1019), concentric reducer (1020), service threeway (1021)；
The service cylinder (1015) is arranged on the original position of test track, and afterbody connection service atmospheric valve (1016), head is
Concentric reducer (1020), middle part is equipped with service pressure sensor (1013) and service temperature sensor (1014), the balanced valve
(105) it is connected by pipeline with concentric reducer (1020) and service cylinder (1015), second service valve (102), the 3rd sphere-lok
(103), the 4th sphere-lok (104) and first service valve (101) are sequentially arranged on straight length (1017), the corrosion inhibiter overflow
Mouthful (106), the 3rd check valve (107), corrosion inhibiter fill valve (108), the 4th check valve (109), blow-down pipe valve (1010), the
Five check valves (1011) are located on the left of first service valve (101), the service intake valve (1018) and bypass pipe valve (1019) and
Service intake valve (1012) is connected by pipeline, and service threeway (1021) is located on the left of straight length (1017).
A kind of 7. pre- film thickness test device of corrosion inhibiter according to claim 4, it is characterised in that：The receipts ball system
(9) include：Intake valve (91), receive ball valve (92), the first valve (93), the second valve (94), air outlet valve (95), the first check valve
(96), raffinate dump valve (97), the second check valve (98), remaining corrosion inhibiter dump valve (99), safety valve (910), ball collecting chamber
(911), fuel air valve (912), pigging threeway (913), corrosion inhibiter surge drum (914), corrosion inhibiter outlet (915)；
The ball collecting chamber (911) is located at the afterbody of test track, the safety valve (910), the first check valve (96), raffinate discharge
Valve (97), the second check valve (98), remaining corrosion inhibiter dump valve (99) are arranged on ball collecting chamber (911) afterbody, the raffinate discharge
Valve (97) is connected by pipeline with sewage disposal system (6), the remaining corrosion inhibiter dump valve (99) and corrosion inhibiter outlet
(915) connected by pipeline, connect corrosion inhibiter surge drum (914), first valve outside the corrosion inhibiter outlet (915)
(93), the second valve (94) is arranged on ball collecting chamber (911) head, the pigging threeway (913) and intake valve (91), receipts ball valve
(92), air outlet valve (95) is connected, and the pipeline by the fuel air valve (912) is being received between ball valve (92) and ball collecting chamber (911).
A kind of 8. pre- film thickness test device of corrosion inhibiter according to claim 4, it is characterised in that：The corrosion inhibiter filling
System (5) includes：It is blowdown pipeline (501), entrucking pipeloop (502), corrosion inhibiter tank car (503), corrosion inhibiter pump (504), slow
Lose agent storage tank (505), atmospheric valve (506), corrosion inhibiter pressure tank table (507), tank gage (508), high-pressure pump (509), temperature control tank
(510), fill valve (511), corrosion inhibiter flowmeter (512), dispenser pump (513), it is outer note diesel oil valve (514), diesel fuel tank (515),
Diesel oil dispenser pump (516), diesel oil flowmeter (517), mixed flow gauge (518)；
Corrosion inhibiter in the corrosion inhibiter storage tank (505) can be filled by entrucking pipeloop (502), can also be through corrosion inhibiter
Tank car (503) is filled by corrosion inhibiter pump (504), and the interior impurity of the corrosion inhibiter storage tank (505) can be arranged by blowdown pipeline (501)
Go out, the tank gage (508), corrosion inhibiter pressure tank table (507), atmospheric valve (506) are arranged on corrosion inhibiter storage tank (505), institute
State high-pressure pump (509) to be connected with corrosion inhibiter storage tank (505) and inhibition agent flux meter (512) by pipeline, the diesel fuel tank (515)
It is connected with temperature control tank (510), diesel oil dispenser pump (516), diesel oil flowmeter (517) are arranged on pipeline, and diesel oil passes through described outer
Note diesel oil valve (514) injection diesel fuel tank (515), diesel oil and inhibition agent composition by dispenser pump (513) through fill valve (511),
Mixed flow gauge (518) enters the service system (10).
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| CN111076775A (en) * | 2019-12-31 | 2020-04-28 | 陕西神渭煤炭管道运输有限责任公司 | Industrial test device and method for cleaning and passing ball of large-diameter coal conveying reducing pipeline |
| CN111098610A (en) * | 2018-10-29 | 2020-05-05 | 广东聚华印刷显示技术有限公司 | Vacuum drying apparatus and method for determining vacuum drying conditions |
| CN112051207A (en) * | 2020-09-13 | 2020-12-08 | 西南石油大学 | Online evaluation device and evaluation method for corrosion inhibitor coating effect of gas gathering pipeline in mountainous area |
| CN112620016A (en) * | 2019-09-24 | 2021-04-09 | 中国石油化工股份有限公司 | Film coating device and method for sour gas pipeline of sulfur-containing gas field |
| CN113006743A (en) * | 2021-03-23 | 2021-06-22 | 西南石油大学 | Automatic coating process for gas recovery well corrosion inhibition liquid |
| CN111076775B (en) * | 2019-12-31 | 2024-06-04 | 陕西神渭煤炭管道运输有限责任公司 | Industrial test device and method for large-pipe-diameter coal conveying variable-diameter pipeline pigging through ball |
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