A kind of temperature control equipment of circuit Experimental Flowing Object
Technical field
The utility model relates to a kind of temperature control equipment of Experimental Flowing Object, is specifically related to a kind of temperature control equipment of circuit Experimental Flowing Object.
Background technology
Crude oil and extraction liquid thereof adopt heating to carry more, and this mainly utilizes, and viscosity of crude is very responsive to temperature, heating viscosity reducing effect outstanding feature.The rheological behavior of crude oil and extraction liquid thereof, viscosity-temperature characteristics are one of key physical properties parameters of oil pipeline technological design; The important content that the organic solid precipitation evaluation of weight such as wax and asphalitine is the oil pipeline safety guarantee; Their traditional test and evaluation method mainly adopt the rheology means, but the degree of agreement of test evaluation result and actual operation parameters is low.So; The circuit experimental provision that can simulate actual pipeline fluid dynamic behavior has caused domestic and international experts and scholars' extensive concern; Such as state and Chinese crude oil and the heterogeneous fluid circuits of all having set up different scales in succession such as English, U.S.A, method, Norway; Wherein the oil gas water multiphase circuit does not generally all have special temperature control system, and crude oil and extraction pendular ring road thereof then adopt circuit to twine heat tape, electric heater places sample or sample carrier interlayer to fill circulatory mediator, large-scale cuboid hot water storgae, local pipeline section with filling circulatory mediator isothermal prosecutor formula in the sleeve pipe.
Twine heat tape temperature control method for circuit, its firing rate is fast, efficient is high, but the homogeneity of circuit fluid temperature field is poor; Fluid temperature (F.T.) control difficulty, and closely the tube wall oil plant is prone to burn, and heat tape blows easily; Inspection breakpoint and replacing difficulty have the circuit of heat-insulation layer all the more so.For cuboid hot water storgae temperature control method; Circuit integral body is immersed in the hot water; Often realize through spraying hot water in uniform and stable temperature field, but because water-spraying amount is less, the shipwreck in the tank is to circulate; The homogeneity in temperature field also just is difficult to guarantee, and tank width and circuit radius of turn mutual restriction.If tank is wide more, then water consumption is bigger, programming rate is slower, power consumption is high more; Otherwise tank is too narrow, will influence the circuit radius of turn.Therefore, a kind of temperature automatically controlled circuit Experimental Flowing Object temperature control equipment need be provided.
The utility model content
The purpose of the utility model provides a kind of temperature control equipment of circuit Experimental Flowing Object.
The temperature control equipment of the circuit Experimental Flowing Object that the utility model provides comprises annular water tank, and this annular water tank is made up of straight trough part and two circular arc shaped portion; The middle part of said straight trough part is respectively equipped with water inlet and delivery port; Be provided with some heating element heaters in the said annular water tank; Be provided with the annulus line that supplies Experimental Flowing Object to pass through in the said annular water tank.
Above-mentioned temperature control equipment, said annular water tank can be made up of plurality of sections rectangular slot and 2 sections semicircular arc grooves; Between the said rectangular slot for being tightly connected; Between said rectangular slot and the said semicircular arc groove for being tightly connected; Said being tightly connected can be that rubber belt sealing connects or alternate manner is tightly connected, and is convenient to loading and unloading and resettlement.
Above-mentioned temperature control equipment, said annular water tank is made up of cell body and groove lid, is convenient to loading and unloading, replacing or the maintenance of said circuit; Said annulus line is free mutually with said annular water tank, and the Experimental Flowing Object of being convenient in the said annulus line is heated evenly.
Above-mentioned temperature control equipment is equipped with heat-insulation layer on the lateral surface of said annular water tank He on the outer bottom, can fill the composite silicate thermal insulation cotton in the said heat-insulation layer, can reduce scattering and disappearing of heat; Can be provided with overcoat on the said heat-insulation layer, can adopt 1k silver color glass plate as overcoat.
Above-mentioned temperature control equipment, said groove lid can be the sandwich chamber lid; Be provided with insulation material in the said sandwich chamber lid, said insulation material can be the composite silicate thermal insulation cotton.
Above-mentioned temperature control equipment; Be provided with free mutually and dispersion pipe closed at both ends with the corresponding position, position of said water inlet in the said annular water tank with said annular water tank; Said dispersion pipe is connected with said water inlet; The wall of said dispersion pipe is provided with several equally distributed apertures, can make get into said annular water tank the water flows gently, stable, do not have and splash.
Above-mentioned temperature control equipment, said heating element heater is arranged on the inboard of said annular water tank; Said heating element heater can be electric heater; Said electric heater is equally distributed; Can make water and the interior Experimental Flowing Object of said circuit in the said annular water tank be in the even temperature field all the time.
Above-mentioned temperature control equipment can be provided with liquid level gauge on the said annular water tank, and the water level that is used to control in the tank is higher than said electrical heating elements, prevents that electrical heating elements is exposed in the air; The sidewall of said annular water tank is provided with visual windows, can observe the flow pattern of the fluid in the circuit in the said annular water tank.
Above-mentioned temperature control equipment is equipped with temperature transmitter on two circular arc tanks of said annular water tank; Be used to control temperature error.
Above-mentioned temperature control equipment, said annular water tank is made up of 6 segment length's square grooves and 2 sections semicircular arc grooves.
The utility model has the following advantages owing to take above technical scheme:
(1) adaptability is strong: annular water tank is fit to the circuit temperature control of any fluid, any specification and any radius of turn, can be according to the circuit minimum requirement of fluid flow influence of turning, the radius of turn of design annular water tank.
(2) temperature control is reliable: the circuit two ends are equipped with temperature transmitter, through special control module and instrument, the temperature with the control Experimental Flowing Object are set; Electric heater is distributed on the annular water tank inboard, and circuit places the water of annular water tank, and water passes in and out in the middle of the tank length direction, through suitable tubing pump, can form the twice circulating water flow, makes water and circuit fluid in the tank be in the even temperature field all the time.
(3) energy-saving and water-saving: the tank of the utility model device ringwise; The cuboid tank that its water consumption is more identical than physical dimension is economized; And circuit radius of turn and length are big more; It is many more to practice thrift the water yield, and under the temperature rise amplitude situation identical with electric heater capacity, power consumption is low more, firing rate is faster, efficient is high more; In addition, insulation comprehensively around the annular water tank, sink cover good leak tightness, heat leakage are low.
(4) safety durable: Experimental Flowing Object is all regulated temperature through recirculated water in storage tank and circuit, even there is not fire hazard in inflammable oil product yet; Tank and circuit can adopt stainless steel material, and its corrosion resistance is strong, and is durable in use.
(5) easy for installation: annular water tank has enough spaces, loading and unloading of circuit annex or replacing and easy to maintenance, and annular water tank is made up of loading and unloading and convenient removal several sections cell bodies and dozens of lid.
Description of drawings
Fig. 1 is the structural representation of the temperature control equipment of the utility model.
Fig. 2 is the front view of the temperature control equipment of the utility model.
Fig. 3 is the vertical view of the temperature control equipment of the utility model.
Fig. 4 is the cutaway view of bowing of the temperature control equipment of the utility model.
Fig. 5 is along the cutaway view of A-A line among Fig. 4.
Each mark is following among the figure: 1 Experimental Flowing Object import, the outlet of 2 Experimental Flowing Objects, 3 valves, 4 circulating pumps, 5 liquid level gauges, 6 temperature transmitters, 7 heating element heaters, 8 feed water inlets, 9 water inlets, 10 delivery ports, 11 discharge outlet, 12 dispersion pipes, 13 annular water tanks, 14 annulus lines, 15 heat-insulation layers, 16 sandwich chambers lid, 17 line holders, 18 apertures, 19 visual windows.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is described further, but the utility model is not limited to following examples.
The sketch map of the temperature control equipment of the circuit Experimental Flowing Object of the utility model such as Fig. 1, Fig. 2, Fig. 3, Fig. 4 and shown in Figure 5.
The temperature control equipment of the utility model comprises annular water tank 13; This annular water tank 13 is made up of 6 segment length's square grooves and 2 sections semicircular arc grooves; Between the rectangular slot, all be connected through welded seal between rectangular slot and the semicircular arc groove, the material of rectangular slot and semicircular arc groove is 304 stainless steels entirely; Be provided with the annulus line 15 that supplies Experimental Flowing Object to pass through in the annular water tank 13; Experimental Flowing Object gets into annulus line 15 from Experimental Flowing Object import 1; Flow out annulus line 15 from Experimental Flowing Object outlet 2; Thereby it is free mutually with annular water tank 13 that annulus line 15 is arranged on the line holder 17, is convenient to Experimental Flowing Object and is heated evenly; Water inlet 9 and delivery port 10 lay respectively at the middle part of the straight trough of annular water tank 13, and water inlet 9 is connected through valve 3 and circulating pump 4 with delivery port 10; Water inlet 9 is connected with the dispersion pipe that is connected with threeway 12; Dispersion pipe 12 is free mutually with annular water tank 13 through line holder 17; Its two ends are for sealing, and the downside of dispersion pipe 12 is provided with equally distributed more than 100 apertures 18, make get into annular water tank 13 the water flows gently, stable, do not have and splash; Delivery port 10 usefulness stainless steel tubes link to each other with high temperature resistant pipeline pump, thereby make recirculated water in annular water tank 13, form two circulations that flow process is identical; Be equipped with heat-insulation layer 14 on the lateral surface of annular water tank 13 and on the outer bottom, can reduce scattering and disappearing of heat, be filled with the composite silicate thermal insulation cotton in the heat-insulation layer, the outer surface of heat-insulation layer scribbles 1k silver color glass plate and makes overcoat; The inboard of annular water tank 13 is provided with equally distributed 6 first devices 7 of heating, is used for the fluid in heat cycles water and the annulus line 15; Respectively be provided with a temperature transmitter 6 on two semicircular arc tanks of annular water tank 13, be used to control the temperature difference of temperature on the length direction of annular water tank 13 of recirculated water; Annular water tank 13 is provided with 34 sandwich chamber lids 16, is convenient to loading and unloading and safeguards annulus line 15 and annex thereof, is full of insulation material in the sandwich chamber lid 16, can reduce scattering and disappearing of heat; Annular water tank 13 is provided with a liquid level gauge 5, is used to control the water level in the annular water tank 13; The sidewall of annular water tank 13 is provided with a visual windows 19, is used for observing the flow pattern of annulus line 15 fluids in the tank; The lateral wall of annular water tank 13 is provided with feed water inlet 8, and its relative sidewall is provided with discharge outlet 11, can with the room temperature running water in the 8 entering annular water tanks 13 of feed water inlet, discharge annular water tanks 13 from discharge outlet 11, thereby reach the purpose of Experimental Flowing Object cooling.
In the said temperature control device of the utility model, can regulate the size of annular water tank 13, the number of rectangular slot and the number of groove lid as required; Annular water tank 13 can also be processed with the material of other corrosion resistance; The number of the aperture 18 that the downside of dispersion pipe 12 is provided with can be regulated as required; Can also fill other insulation material in the heat-insulation layer 14 with in the sandwich chamber lid 16; The number and the distribution thereof of the annular water tank 13 inboard heating unit devices 7 that are provided with can be regulated as required.
When using the said temperature control device of the utility model,, confirm the power of the first device 7 of heating according to flow velocity and the requirement of heating-up temperature and the heat loss of annular water tank 13 of recirculated water in circulating water chennel 13; Require when the recirculated waters in the annular water tank 13 keep constant temperature recirculated water be no more than in every meter temperature difference of tank length all directions ± 0.2 ℃; Water flow velocity is generally between 0.1~0.5m/s; Confirm the water yield that flows in unit interval of water in the tank according to the area of tank runner then, confirm resistant to elevated temperatures water circulating pump model thus; The ON cycle water pump gets in the annular water tank 13 from water inlet 9 with the first device 7 of heating, recirculated water, is divided into two identical circulations of flow process then and flows in the annular water tank 13, under the effect of circulating pump 4, discharges from delivery port 10; Thereby make the Experimental Flowing Object in the uniform recirculated water heating of the temperature annulus line 15 in the tank, and then estimate the viscosity-temperature characteristics and the rheological behavior of fluid.