CN103742751B - Mobile automatic unfreezing device - Google Patents

Mobile automatic unfreezing device Download PDF

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Publication number
CN103742751B
CN103742751B CN201310506196.7A CN201310506196A CN103742751B CN 103742751 B CN103742751 B CN 103742751B CN 201310506196 A CN201310506196 A CN 201310506196A CN 103742751 B CN103742751 B CN 103742751B
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China
Prior art keywords
pump
liquid
normally opened
power module
output terminals
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CN201310506196.7A
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CN103742751A (en
Inventor
赵吉祥
罗辉
张儒佳
童亮
刘纯
位小顺
喜秦
侯东阳
杨永军
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China Petroleum and Chemical Corp
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China Petroleum and Chemical Corp
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Priority to CN201310506196.7A priority Critical patent/CN103742751B/en
Publication of CN103742751A publication Critical patent/CN103742751A/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17DPIPE-LINE SYSTEMS; PIPE-LINES
    • F17D1/00Pipe-line systems
    • F17D1/08Pipe-line systems for liquids or viscous products
    • F17D1/16Facilitating the conveyance of liquids or effecting the conveyance of viscous products by modification of their viscosity
    • F17D1/18Facilitating the conveyance of liquids or effecting the conveyance of viscous products by modification of their viscosity by heating

Abstract

The invention relates to the technical field of oil field pipe unfreezing devices, in particular to a mobile automatic unfreezing device. The mobile automatic unfreezing device comprises a pried installation base, an agent storage tank, a liquid pump driving motor, a metering pump, an electric instrument control cabinet and an agent adding pipe device. The agent storage tank, the liquid pump driving motor, the metering pump and the electric instrument control cabinet are fixedly installed on the pried installation base, an agent inlet is formed in the upper portion of the agent storage tank, and an agent outlet is formed in the lower end of the agent storage tank. The mobile automatic unfreezing device is reasonable and compact in structure and convenient to use, a pipe to be unfrozen can be conveniently and rapidly connected through the agent adding pipe device with a one-way valve, a high-pressure hose and a hydraulic rapid connector, the liquid pump driving motor is controlled through the electric instrument control cabinet or a pressure transmitter, an unfreezing agent in the agent storage tank is delivered through the metering pump to the pipe to be unfrozen, the agent can be automatically added, manual excessive agent adding can be avoided, the agent cost can be saved, and the mobile automatic unfreezing device has the advantages of being safe, easy and convenient to use and efficient, and saving labor.

Description

Portable automatic thawing device
Technical field
The present invention relates to Oilfield Pipelines thawing apparatus technical field, it is a kind of movable type automatic thawing device.
Background technology
Pipeline frozen block is most common problem during oilfield enterprise produces, and affects peace if thawing and pipeline being caused not in time to build the pressure Full production, even results in the harm such as line burst, and common defreezing method mainly has pipeline heating, saline filling, medicament filling Thaw etc. method, but all there are problems, artificial filling medicament thaws, and effect substantially, but needs in operation to high pressure Pipeline such as carries out being vented, irrigates at the operation, and medicament has strong toxicity, dangerous larger;Fill sled block using saline to thaw to jelly Block up not serious position and can play alleviation frozen block effect, can not completely thaw when frozen block is serious, still need to artificial adding medicine and solved Freeze, if thawing not in time, stoppage in transit process must be carried out when pipeline frozen block is serious, having a strong impact on production timeliness;Traditional medicament Loading system is according to manufacturing technique requirent, using medicament loading system, the easy position that frozen block occurs is thawed, can only be right Several fixing points of mounting design are thawed, and other frozen block positions can not be thawed.
Content of the invention
The invention provides a kind of movable type automatic thawing device, overcome the deficiency of above-mentioned prior art, it can be effective Solve the need emptying high pressure line that artificial filling medical method exists, reagent toxicity during existing Oilfield Pipelines are thawed strong, dangerous big Problem, saline annotation method exist defrosting effect difference problem, using medicament loading system exist be only capable of defrosting fixing point Problem.
The technical scheme is that and realized by following measures: a kind of movable type automatic thawing device, include prizing Dress base, medicament storage tank, liquid pump motor, dosing pump, electric meter switch board and dosing pipe device;Medicament storage tank, liquid Pump motor, dosing pump and electric meter switch board are fixedly mounted on skid base, and the top of medicament storage tank is provided with medicament Filler, the lower end of medicament storage tank is provided with medicament liquid outlet, and medicament liquid outlet passes through to carry valvular pump liquid pipeline and dosing pump Inlet be connected, the liquid outlet of dosing pump is connected with the dosing being connected with the pressure gauge installing port treating defrosting pipeline Piping installation, dosing pipe device is provided with and can detect in dosing pipe device liquid pressure value and make liquid pump motor Start pressure transmitter, electric meter switch board pass through defrosting control circuit respectively with pressure transmitter and liquid pump motor It is electrically connected.
Further optimization and/or improvements to foregoing invention technical scheme are presented herein below:
Above-mentioned dosing pipe device may include drain pipe, check valve, high-pressure hose, hydraulic quick coupling, three way cock and Site pressure table, pressure transmitter is arranged on drain pipe, and the import of drain pipe is connected with the liquid outlet of dosing pump, drain pipe Outlet pass sequentially through check valve, high-pressure hose and hydraulic quick coupling and be connected with the first interface of three way cock, three connect The second interface of head is provided with site pressure table, and the 3rd interface of three way cock is provided with can be with the pressure gauge treating defrosting pipeline The connection screw thread that installing port is connected.
Above-mentioned defrosting control circuit may include main circuit, power-switching circuit and control pump circuit;Main circuit includes power supply One pole, power supply second pole, power supply the 3rd pole, cubicle switch, liquid pump motor and normally opened three pole contacts, power supply first pole, electricity Source second pole and power supply the 3rd pole three power inputs by cubicle switch and normally opened three pole contacts and liquid pump motor Son is electrically connected;Power-switching circuit includes power supply the 3rd pole, power supply center line and power transfer module, power transfer module It is arranged in electric meter switch board, the power module first input end of power transfer module is connected electrically in power supply the 3rd pole Together, power module second input terminal of power transfer module is electrically connected with power supply center line;Control pump circuit is manual Control circuit or/and automatic control circuit, control pump circuit includes to receive the output signal of pressure transmitter and making normally opened three The turn on pump relay coil of the pole closing of contact.
Above-mentioned manual control circuit may include power module positive output terminals, power module negative output terminals, manually Auto-switching push button, the normally closed button of shutdown, self-locking normally opened contact, turn on pump relay coil and normally opened button of starting shooting, cut manually automatically Change button, the normally closed button of shutdown and normally opened button of starting shooting is arranged on electric meter switch board, power module positive output terminals, Manual auto-switching push button, the normally closed button of shutdown, self-locking normally opened contact, turn on pump relay coil and power module negative output terminals Electricity is serially connected successively, and the two ends of self-locking normally opened contact are electrically in parallel the normally opened button of start.
Above-mentioned automatic control circuit may include control pump relay circuit and delay control circuit;The signal output of pressure transmitter End is electrically connected with the warning relay coil being energized because pipeline actual pressure exceeds pressure transmitter setup pressure value, controls pump Relay circuit includes power module positive output terminals, power module negative output terminals, manual auto-switching push button, Neng Gouyin Warning relay coil obtains the normally opened relay contacts of alarm first, turn on pump relay coil and the normally opened time delay of time relay electric and that close Break contact, power module positive output terminals, manual auto-switching push button, the normally opened relay contacts of alarm first, turn on pump continue Electricity is serially connected successively for electric coil and power module negative output terminals, and the two ends electricity of the normally opened relay contacts of alarm first is simultaneously It is associated with time relay normally opened time delay break contact;Delay control circuit includes power module positive output terminals, power module is born Pole lead-out terminal, manual auto-switching push button, time relay coil and warning that is electric and closing can be obtained because of warning relay coil The normally opened relay contacts of device second, power module positive output terminals, manual auto-switching push button, the normally opened relay of alarm second are touched Electricity is serially connected successively for point, time relay coil and power module negative output terminals.
Fuse can be serially connected with by electricity between above-mentioned power module positive output terminals and manual auto-switching push button;Or/and, Hot relay element can be serially connected with by electricity between cubicle switch and normally opened three pole contacts, can between fuse and manual auto-switching push button Electricity is serially connected with hot relay normally opened contact.
Between above-mentioned thermorelay normally opened contact and power module negative output terminals can electricity and be connected to start indicating circuit, Start indicating circuit includes starting shooting display lamp and can obtain start instruction normally opened contact that is electric and closing because of turn on pump relay coil, opens Machine instruction normally opened contact and start display lamp electricity are serially connected;Or/and, thermorelay normally opened contact is defeated with power module negative pole Go out between terminal can electricity be connected to shutdown indicating circuit, shut down indicating circuit and include halt indicator and can be because of turn on pump relay line The shutdown instruction normally-closed contact enclosing electric and disconnecting, shuts down instruction normally-closed contact and halt indicator electricity is serially connected.
Filter can be provided with said pump liquid pipeline, the pump liquid pipeline between filter and medicament liquid outlet is provided with First valve, the pump liquid pipeline between filter and the inlet of dosing pump is provided with the second valve;Or/and, dosing pump Can be provided with liquid outlet and go out liquid pumping pipe with the 3rd valve, go out, on the liquid outlet of liquid pumping pipe, goes out liquid threeway is installed, go out liquid First liquid outlet of threeway is connected with the import of drain pipe, and the top of medicament storage tank is provided with medicament liquid return hole, goes out liquid threeway It is communicated with liquid back pipe road, liquid back pipe road is provided with relief valve between second liquid outlet and medicament liquid return hole;Or/and, medicament storage tank On liquidometer can be installed;Or/and, medicament storage tank upper end can be provided with breather valve and pressure of storage tank table;Or/and, skid base Lower end universal wheel can be installed.
Present configuration is reasonable and compact, easy to use, and it is by with check valve, high-pressure hose, hydraulic quick coupling Dosing pipe device can conveniently and efficiently connect and treat defrosting pipeline, controlled by electric meter switch board or pressure transmitter Liquid pump motor, makes dosing pump be conveyed to the defrosting medicament in medicament storage tank and treats defrosting pipeline, can be automatically obtained medicament Filling, it is to avoid manually excessive filling medicament, saving reagent cost expense, has safe, laborsaving, easy, efficient feature.
Brief description
Accompanying drawing 1 is the main structure diagram of preferred embodiment.
Accompanying drawing 2 is the overlooking the structure diagram of accompanying drawing 1.
Accompanying drawing 3 is the partial enlargement structural representation of the dosing pipe device in accompanying drawing 1.
Accompanying drawing 4 is the principle schematic of the control circuit of preferred embodiment.
It is skid base that coding in accompanying drawing is respectively as follows: 1, and 2 is medicament storage tank, and 3 is liquid pump motor, and 4 is dosing pump, 5 is electric meter switch board, and 6 is medicament filler, and 7 is medicament liquid outlet, and 8 is pump liquid pipeline, and 9 is pressure transmitter, and 10 are Drain pipe, 11 is check valve, and 12 is high-pressure hose, and 13 is hydraulic quick coupling, and 14 is three way cock, and 15 is site pressure table, 16 is connection screw thread, and 17 is filter, and 18 is the first valve, and 19 is the second valve, and 20 is goes out liquid threeway, and 21 return liquid for medicament Mouthful, 22 is liquid back pipe road, and 23 is relief valve, and 24 is liquidometer, and 25 is breather valve, and 26 is pressure of storage tank table, and 27 is universal wheel, 28 For power transfer module, 29 is liquid pumping pipe, and 30 is the 3rd valve, and l1 is power supply first pole, and l2 is power supply second pole, and l3 is electricity Source the 3rd pole, n is power supply center line, and qm is cubicle switch, and km00 is turn on pump relay coil, and km01 is normally opened three pole contacts, km02 For self-locking normally opened contact, km03 is start instruction normally opened contact, and km04 is to shut down instruction normally-closed contact, and a is power module first Input terminal, b is power module second input terminal, and x is power module positive output terminals, and y exports for power module negative pole Terminal, sa is manual auto-switching push button, and sb1 is to shut down normally closed button, and sb2 is normally opened button of starting shooting, and kfd01 is alarm First normally opened relay contacts, kfd02 is the normally opened relay contacts of alarm second, and kt00 is time relay coil, and kt01 is the time Relay normally opened time delay break contact, fu is fuse, and fr00 is hot relay element, and fr01 is hot relay normally opened contact, and xl1 is Start display lamp, xl2 is halt indicator.
Specific embodiment
The present invention is not limited by following embodiments, can technology according to the present invention scheme determine specifically with practical situation Embodiment.
In the present invention, for the ease of description, the description of the relative position relation of each part is all according to Figure of description 1 Butut mode being described, such as: the position relationship of forward and backward, upper and lower, left and right etc. is the Butut according to Figure of description Direction is determining.
With reference to embodiment and accompanying drawing, the invention will be further described:
As shown in accompanying drawing 1,2, this portable automatic thawing device includes skid base 1, medicament storage tank 2, liquid pump driving electricity Machine 3, dosing pump 4, electric meter switch board 5 and dosing pipe device;Medicament storage tank 2, liquid pump motor 3, dosing pump 4 and electricity Gas meter control cabinet 5 is fixedly mounted on skid base 1, and the top of medicament storage tank 2 is provided with medicament filler 6, medicament storage tank 2 Lower end is provided with medicament liquid outlet 7, and medicament liquid outlet 7 passes through to be connected with the inlet of dosing pump 4 with valvular pump liquid pipeline 8 Connect, the liquid outlet of dosing pump 4 is connected with the dosing pipe device being connected with the pressure gauge installing port treating defrosting pipeline, plus The pressure that liquid pressure value in dosing pipe device can be detected and make liquid pump motor 3 start is provided with medicine piping installation Transmitter 9, electric meter switch board 5 is electrically connected with pressure transmitter 9 and liquid pump motor 3 respectively by defrosting control circuit Together.Defrosting medicament is preferably used methanol, and preferably, transport and movement are more convenient for the mobility of skid base 1;Will be close to treat Pressure gauge at defrosting pipeline frozen block unloads, and dosing pipe device is arranged on the pressure gauge installing port treating defrosting pipeline, leads to Cross electric meter switch board 5 or pressure transmitter 9 and control liquid pump motor 3, make dosing pump 4 by the defrosting in medicament storage tank 2 Medicament is conveyed to treats defrosting pipeline, is capable of motorization, the automatization of medicament filling, is promptly thawed for frozen block point Operation, such that it is able to the time of saving, rapidly and accurately makes frozen block point realize thawing completely.
According to actual needs above-mentioned movable type automatic thawing device can be made further optimization and/or improvements:
As shown in accompanying drawing 1,2, dosing pipe device includes drain pipe 10, check valve 11, high-pressure hose 12, hydraulic pressure quickly connect 13, three way cock 14 and site pressure table 15, pressure transmitter 9 is arranged on drain pipe 10, the import of drain pipe 10 and meter The liquid outlet of amount pump 4 is connected, and the outlet of drain pipe 10 passes sequentially through check valve 11, high-pressure hose 12 and hydraulic quick coupling 13 It is connected with the first interface of three way cock 14, the second interface of three way cock 14 is provided with site pressure table 15, three way cock 14 the 3rd interface is provided with the connection screw thread 16 being connected with the pressure gauge installing port treating defrosting pipeline.Preferably from length Spend longer high-pressure hose 12, can be on the premise of less movable and skid-mounted base 1, easily by longer high-pressure hose 12 Three way cock 14 is arranged on and treats to be thawed at defrosting pipeline frozen block;Can be by three way cock 14 by hydraulic quick coupling 13 And site pressure table 15 and high-pressure hose 12 sharp separation, installation three way cock 14 is rotated by connection screw thread 16 more convenient.
As shown in accompanying drawing 1,2, defrosting control circuit includes main circuit, power-switching circuit and control pump circuit;Main circuit bag Include power supply the first pole l1, power supply the second pole l2, power supply the 3rd pole l3, cubicle switch qm, liquid pump motor 3 and normally opened three extremely tactile Point km01, power supply the first pole l1, power supply the second pole l2 and power supply the 3rd pole l3 pass through cubicle switch qm and normally opened three pole contacts Km01 is electrically connected with three power input terminals of liquid pump motor 3;Power-switching circuit includes power supply the 3rd pole L3, power supply center line n and power transfer module 28, power transfer module 28 is arranged in electric meter switch board 5, Power convert mould The power module first input end a and power supply the 3rd pole l3 of block 28 are electrically connected, the power supply mould of power transfer module 28 Block the second input terminal b and power supply center line n is electrically connected;Control pump circuit is manual control circuit or/and automatically controls electricity Road, control pump circuit includes to receive the output signal of pressure transmitter 9 and making the turn on pump of normally opened three pole contact km01 closures continue Electric coil km00.
As shown in accompanying drawing 1,2, manual control circuit includes power module positive output terminals x, the output of power module negative pole Terminal y, manual auto-switching push button sa, shut down normally closed button sb1, self-locking normally opened contact km02, turn on pump relay coil km00 and Start shooting normally opened button sb2, and manual auto-switching push button sa, the normally closed button sb1 of shutdown and the normally opened button sb2 that starts shooting are arranged on electrically On meter control cabinet 5, power module positive output terminals x, manual auto-switching push button sa, the normally closed button sb1 of shutdown, self-locking are normal Electricity is serially connected successively to open contact km02, turn on pump relay coil km00 and power module negative output terminals y, and self-locking is normally opened to touch The two ends of point km02 are electrically in parallel the normally opened button sb2 of start.Manually control circuit can realize scene open, termination of pumping operation, Simple and quick.
As shown in accompanying drawing 1,2, automatic control circuit includes controlling pump relay circuit and delay control circuit;Pressure transmitter 9 Signal output part be electrically connected with can the warning that be energized continue because pipeline actual pressure exceeds pressure transmitter 9 setup pressure value Electric coil, control pump relay circuit includes power module positive output terminals x, power module negative output terminals y, automatically cuts manually Change button sa, can because warning relay coil obtain electric and close the normally opened relay contacts kfd01 of alarm first, turn on pump relay line Circle km00 and time relay normally opened time delay break contact kt01, power module positive output terminals x, manual auto-switching push button Sa, the normally opened relay contacts kfd01 of alarm first, turn on pump relay coil km00 and power module negative output terminals y are electric successively It is serially connected, the two ends of the normally opened relay contacts kfd01 of alarm first are electrically in parallel time relay normally opened time delay break contact kt01;Delay control circuit includes power module positive output terminals x, power module negative output terminals y, automatically switches manually Button sa, time relay coil kt00 and the normally opened relay contacts of alarm second that are electric and closing can be obtained because of warning relay coil Kfd02, power module positive output terminals x, manual auto-switching push button sa, the normally opened relay contacts kfd02 of alarm second, when Between relay coil kt00 and power module negative output terminals y electricity is serially connected successively.Can be real-time by pressure transmitter 9 The actual pressure value of signal piping, can be higher than the setting pressure of pressure transmitter 9 in detection pressure value by warning relay coil During force value, so that alarm first normally opened relay contacts kfd01 closure, turn on pump relay coil km00 is obtained electric, make normal in main circuit Open three pole contact km01 closures, the rapid dosing pump 4 that starts is to treating that defrosting Pipeline transport defrosting medicament is thawed, it is to avoid because of solution Freezing causes unnecessary equipment to stop transport not in time;Dosing pump 4 dosing is controlled by automatic control circuit, it is to avoid artificial filling medicine During agent, excessive filling, can save substantial amounts of reagent cost expense, can be less than in detection pressure value by time-delay relay and set Also may proceed to during pressure value fill medicament for a period of time, power-off termination of pumping after such as 1 to 3 minute, to realize the solution completely of frozen block point Freeze.
As shown in accompanying drawing 1,2, between power module positive output terminals x and manual auto-switching push button sa electricity be serially connected with molten Disconnected device fu;Or/and, between cubicle switch qm and normally opened three pole contact km01, electricity is serially connected with hot relay element fr00, fuse fu Electricity is serially connected with hot relay normally opened contact fr01 and manual auto-switching push button sa between.By hot relay element fr00 and hot relay Normally opened contact fr01 can realize autostop, effective protection liquid pump motor 3 when electric current is larger.
As shown in accompanying drawing 1,2, between thermorelay normally opened contact fr01 and power module negative output terminals y electricity and be connected to Start indicating circuit, start indicating circuit includes starting shooting display lamp xl1 and can close because turn on pump relay coil km00 obtains electric Start instruction normally opened contact km03, start instruction normally opened contact km03 and start display lamp xl1 electricity be serially connected;Or/and, Electricity be connected to shutdown indicating circuit between thermorelay normally opened contact fr01 and power module negative output terminals y, shuts down instruction Circuit includes halt indicator xl2 and can obtain shutdown instruction normally-closed contact that is electric and disconnecting because of turn on pump relay coil km00 Km04, shuts down instruction normally-closed contact km04 and halt indicator xl2 electricity is serially connected.By display lamp xl1 and the shutdown of starting shooting Display lamp xl2, easily facilitates observation and supervisory circuit work resists entirely, more safe ready.
As shown in accompanying drawing 1,2, pump liquid pipeline 8 is provided with filter 17, the pump between filter 17 and medicament liquid outlet 7 First valve 18 is provided with liquid pipeline 8, the pump liquid pipeline 8 between the inlet of filter 17 and dosing pump 4 is provided with Two valves 19;Or/and, the liquid outlet of dosing pump 4 is provided with and goes out liquid pumping pipe 29 with the 3rd valve 30, go out liquid pumping pipe 29 Goes out liquid threeway 20 is provided with liquid outlet, the first liquid outlet of goes out liquid threeway 20 is connected with the import of drain pipe 10, medicament stores up The top of tank 2 is provided with medicament liquid return hole 21, is communicated with back liquid between the second liquid outlet of goes out liquid threeway 20 and medicament liquid return hole 21 Pipeline 22, liquid back pipe road 22 is provided with relief valve 23;Or/and, medicament storage tank 2 is provided with liquidometer 24;Or/and, medicament stores up Tank 2 upper end is provided with breather valve 25 and pressure of storage tank table 26;Or/and, the lower end of skid base 1 is provided with universal wheel 27.Pass through First valve 18 and the second valve 19 can be easy to dismount and change filter 17;By the 3rd valve 30 can be easy to dismounting and Change dosing pump 4;The pressure fluid going out in liquid pumping pipe 29 can be flowed back to by medicament storage tank 2 by relief valve 23;By liquidometer 24 are easy to observe the medicament liquid level in medicament storage tank 2;Transport is easily facilitated by universal wheel 27 skid base 1 and moves.
Above technical characteristic constitutes highly preferred embodiment of the present invention, and it has stronger adaptability and optimal enforcement effect Really, non-essential technical characteristic can be increased and decreased according to actual needs, to meet the demand of different situations.
During the application of present invention scene, effect substantially, using simple, 4 months winters in 2012 accumulative test, is protected Demonstrate,prove the timely and effective defrosting of each individual well and oil-gas pipeline it is ensured that the safety in production of oil-gas pipeline, create effect more than 200 ten thousand Unit, can bring bigger benefit after promoting the use of.

Claims (9)

1. a kind of movable type automatic thawing device is it is characterised in that include skid base, medicament storage tank, liquid pump motor, meter Amount pump, electric meter switch board and dosing pipe device;Medicament storage tank, liquid pump motor, dosing pump and electric meter control Cabinet is fixedly mounted on skid base, and the top of medicament storage tank is provided with medicament filler, and the lower end of medicament storage tank is provided with medicament and goes out Liquid mouth, by being connected with the inlet of dosing pump with valvular pump liquid pipeline, the liquid outlet of dosing pump is even for medicament liquid outlet It is connected to the dosing pipe device being connected with the pressure gauge installing port treating defrosting pipeline, dosing pipe device is provided with energy Enough detection dosing pipe device in liquid pressure value and make liquid pump motor start pressure transmitter, electric meter switch board It is electrically connected with pressure transmitter and liquid pump motor respectively by defrosting control circuit;Wherein: dosing pipe device Including drain pipe, check valve, high-pressure hose, hydraulic quick coupling, three way cock and site pressure table, pressure transmitter is arranged on On drain pipe, the import of drain pipe is connected with the liquid outlet of dosing pump, and it is soft that the outlet of drain pipe passes sequentially through check valve, high pressure Pipe is connected with the first interface of three way cock with hydraulic quick coupling, and the second interface of three way cock is provided with site pressure Table, the 3rd interface of three way cock is provided with the connection screw thread being connected with the pressure gauge installing port treating defrosting pipeline.
2. according to claim 1 movable type automatic thawing device it is characterised in that defrosting control circuit include main circuit, Power-switching circuit and control pump circuit;Main circuit includes power supply first pole, power supply second pole, power supply the 3rd pole, cubicle switch, liquid Pump motor and normally opened three pole contacts, cubicle switch and normally opened is passed through in power supply first pole, power supply second pole and power supply the 3rd pole Three poles contact are electrically connected with three power input terminals of liquid pump motor;Power-switching circuit includes power supply the 3rd Pole, power supply center line and power transfer module, power transfer module is arranged in electric meter switch board, the electricity of power transfer module Source module first input end is electrically connected with power supply the 3rd pole, power module second input terminal of power transfer module It is electrically connected with power supply center line;Control pump circuit is manual control circuit or/and automatic control circuit, and control pump circuit includes energy Enough receive the output signal of pressure transmitter and make the turn on pump relay coil of the normally opened three pole closings of contact.
3. movable type automatic thawing device according to claim 2 is it is characterised in that manual control circuit includes power supply mould Block positive output terminals, power module negative output terminals, manual auto-switching push button, the normally closed button of shutdown, self-locking are normally opened tactile Point, turn on pump relay coil and normally opened button of starting shooting, manual auto-switching push button, the normally closed button of shutdown and the normally opened button of start are installed On electric meter switch board, power module positive output terminals, manual auto-switching push button, the normally closed button of shutdown, self-locking are normal Electricity is serially connected successively to open contact, turn on pump relay coil and power module negative output terminals, the two ends of self-locking normally opened contact Electrically in parallel have the normally opened button of start.
4. according to claim 2 movable type automatic thawing device it is characterised in that automatic control circuit include control pump continue Circuit and delay control circuit;The signal output part of pressure transmitter is electrically connected with and can exceed pressure because of pipeline actual pressure Transmitter setup pressure value and the warning relay coil that is energized, control pump relay circuit includes power module positive output terminals, electricity Source module negative output terminals, manual auto-switching push button, alarm first that is electric and closing can be obtained because of warning relay coil Normally opened relay contacts, turn on pump relay coil and time relay normally opened time delay break contact, power module positive output terminals, manually Auto-switching push button, the normally opened relay contacts of alarm first, turn on pump relay coil and power module negative output terminals are electric successively It is serially connected, the two ends of the normally opened relay contacts of alarm first are electrically in parallel time relay normally opened time delay break contact;Time delay Control circuit includes power module positive output terminals, power module negative output terminals, manual auto-switching push button, time continue The electric coil and normally opened relay contacts of alarm second that are electric and close can be obtained because of warning relay coil, the output of power module positive pole Terminal, manual auto-switching push button, the normally opened relay contacts of alarm second, time relay coil and power module cathode output end Electricity is serially connected son successively.
5. according to claim 3 movable type automatic thawing device it is characterised in that automatic control circuit include control pump continue Circuit and delay control circuit;The signal output part of pressure transmitter is electrically connected with and can exceed pressure because of pipeline actual pressure Transmitter setup pressure value and the warning relay coil that is energized, control pump relay circuit includes power module positive output terminals, electricity Source module negative output terminals, manual auto-switching push button, alarm first that is electric and closing can be obtained because of warning relay coil Normally opened relay contacts, turn on pump relay coil and time relay normally opened time delay break contact, power module positive output terminals, manually Auto-switching push button, the normally opened relay contacts of alarm first, turn on pump relay coil and power module negative output terminals are electric successively It is serially connected, the two ends of the normally opened relay contacts of alarm first are electrically in parallel time relay normally opened time delay break contact;Time delay Control circuit includes power module positive output terminals, power module negative output terminals, manual auto-switching push button, time continue The electric coil and normally opened relay contacts of alarm second that are electric and close can be obtained because of warning relay coil, the output of power module positive pole Terminal, manual auto-switching push button, the normally opened relay contacts of alarm second, time relay coil and power module cathode output end Electricity is serially connected son successively.
6. according to claim 5 movable type automatic thawing device it is characterised in that power module positive output terminals with Between manual auto-switching push button, electricity is serially connected with fuse;Or, electricity is serially connected with heat and continues between cubicle switch and normally opened three pole contacts Electric device, between fuse and manual auto-switching push button, electricity is serially connected with hot relay normally opened contact.
7. movable type automatic thawing device according to claim 6 is it is characterised in that thermorelay normally opened contact and power supply Electricity be connected to start indicating circuit between module negative lead-out terminal, start indicating circuit includes starting shooting display lamp and can be because opening Pump relay coil obtains start instruction normally opened contact that is electric and closing, and start instruction normally opened contact and start display lamp electricity are serially connected in one Rise;Or/and, between thermorelay normally opened contact and power module negative output terminals electricity and be connected to shutdown indicating circuit, shut down Indicating circuit includes halt indicator and can obtain shutdown instruction normally-closed contact that is electric and disconnecting because of turn on pump relay coil, and shutdown refers to Show that normally-closed contact and halt indicator electricity are serially connected.
8. movable type automatic thawing device according to claim 1 and 2 is it is characterised in that be provided with filtration on pump liquid pipeline Device, the pump liquid pipeline between filter and medicament liquid outlet is provided with the first valve, the inlet of filter and dosing pump it Between pump liquid pipeline on the second valve is installed;Or/and, the liquid outlet of dosing pump is provided with and goes out pump liquid with the 3rd valve Pipe, goes out and is provided with goes out liquid threeway on the liquid outlet of liquid pumping pipe, the first liquid outlet of goes out liquid threeway is connected with the import of drain pipe, The top of medicament storage tank is provided with medicament liquid return hole, is communicated with liquid back pipe between the second liquid outlet of goes out liquid threeway and medicament liquid return hole Road, liquid back pipe road is provided with relief valve;Or/and, medicament storage tank is provided with liquidometer;Or/and, medicament storage tank upper end is provided with Breather valve and pressure of storage tank table;Or/and, the lower end of skid base is provided with universal wheel.
9. according to claim 7 movable type automatic thawing device it is characterised in that being provided with filter on pump liquid pipeline, First valve is installed, between filter and the inlet of dosing pump on pump liquid pipeline between filter and medicament liquid outlet Second valve is provided with pump liquid pipeline;Or/and, the liquid outlet of dosing pump is provided with and goes out liquid pumping pipe with the 3rd valve, Go out and goes out liquid threeway is provided with the liquid outlet of liquid pumping pipe, the first liquid outlet of goes out liquid threeway is connected with the import of drain pipe, medicine The top of agent storage tank is provided with medicament liquid return hole, is communicated with liquid back pipe between the second liquid outlet of goes out liquid threeway and medicament liquid return hole Road, liquid back pipe road is provided with relief valve;Or/and, medicament storage tank is provided with liquidometer;Or/and, medicament storage tank upper end is provided with Breather valve and pressure of storage tank table;Or/and, the lower end of skid base is provided with universal wheel.
CN201310506196.7A 2013-10-24 2013-10-24 Mobile automatic unfreezing device Active CN103742751B (en)

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CN107651735A (en) * 2017-09-26 2018-02-02 福建汇利丰环保科技有限公司 Sewage precipitation device
CN110440085B (en) * 2019-08-13 2021-06-08 西南石油大学 Temporary liquid nitrogen low-temperature blocking device suitable for gathering and transportation pipelines with multiple pipe diameters
CN114893392B (en) * 2022-05-18 2023-11-07 江南造船(集团)有限责任公司 Portable multifunctional liquid lightering device and use method

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CN201184180Y (en) * 2008-04-23 2009-01-21 中国石油天然气股份有限公司 Charging apparatus of prying structure
CN201581880U (en) * 2009-11-20 2010-09-15 大庆油田有限责任公司 Micro-computer numerical control medicine feeding device
CN201705319U (en) * 2010-06-21 2011-01-12 中国石油天然气股份有限公司 Skid-mounted closed dosing device
CN201908638U (en) * 2010-12-17 2011-07-27 中国石油天然气股份有限公司 High-pressure small-displacement skid-mounted additive feeding device
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