A kind of gas-liquid separation device
Technical field
The utility model belongs to vaporizer technology field, relates to a kind of gas-liquid separation device.
Background technology
Evaporimeter is the visual plant in refrigeration system, and cold-producing medium absorbs refrigerating medium heat by heat exchange tube wall vaporizes, and refrigerating medium obtains cold-producing medium cold reduces temperature.Cold-producing medium gas in evaporimeter is siphoned away and enters next kind of refrigeration cycle by compressor, and cold-producing medium has not allowed drop in the time entering compressor, and to ensure normal, the safe operation of compressor, otherwise compressor will exist the danger of " liquid hammer ".Therefore, the venthole place of the evaporimeter of being everlasting arranges gas-liquid separator, and compressor is further protected.Existing vapour liquid separator has vertical and horizontal type structure, and its operation principle is to adopt reduction cold-producing medium flow velocity, dependence liquid refrigerant and vaporized refrigerant gravitational difference that liquid refrigerant is separated from gas.This separator requires cold-producing medium to keep lower flow velocity to flow in separator, and the separator diameter of designing is like this relatively large.
China's patent (CN 202909554 U) discloses a kind of horizontal steam vapor-liquid separation tank, comprise knockout drum body, described knockout drum body becomes horizontal type level to arrange, described knockout drum body below is provided with saddle, described knockout drum body bottom is provided with mixed vapour import and liquid outlet, knockout drum body interior is stretched in the adapter that described mixed vapour import is installed, and described knockout drum top is provided with steam (vapor) outlet, and described steam (vapor) outlet below is provided with gas-liquid separation device.
The gas-liquid separation device that above-mentioned patent provides is dividing plate or silk screen, although simple dividing plate and silk screen can play certain centrifugation, separative efficiency is low, affects the use of whole equipment.
Summary of the invention
The problems referred to above that the utility model exists for existing technology, provide a kind of gas-liquid separation device, and technical problem to be solved in the utility model is: how to improve the gas-liquid separation efficiency in gas-liquid separation device.
The purpose of this utility model can realize by following technical proposal:
A kind of gas-liquid separation device, comprise the tank body with cavity, it is characterized in that, the two ends of described tank body are respectively equipped with front head and rear head, described tank body is installed with cold-producing medium escape pipe near the top of described front head, and described cold-producing medium escape pipe is connected with the cavity of described tank body; Described tank body is installed with cold-producing medium air inlet pipe near the bottom of described rear head, and described cold-producing medium air inlet pipe is connected with the cavity of described tank body; In described tank body, be distributed with some deflection plates along length of tank direction, each deflection plate is radially installed in along tank body on the madial wall of described tank body, and described deflection plate lower end is equipped with lower breach and adjacent deflection plate is alternately provided with left breach and right breach successively.
Its principle is as follows: this gas-liquid separation device is a kind of horizontal type gas and liquid separator, comprise the tubular tank body of an accumbency, the two ends of this tank body are respectively by front head and rear head shutoff, be provided with refrigerant air inlet and cold-producing medium air inlet pipe at tank body near rear head one end, be provided with cold-producing medium gas outlet and cold-producing medium escape pipe at tank body near front head one end, because refrigerant air-liquid mixture is subject to heat density little, easily move upward, cold-producing medium air inlet pipe is positioned at cold-producing medium escape pipe below, refrigerant air-liquid mixture enters in tank body cavity by refrigerant air inlet and cold-producing medium air inlet pipe, cold-producing medium escape pipe to tank body flows, in this process, need to walk around the deflection plate arranging in tank body.The existing axial flow of refrigerant air-liquid mixture, under the effect of deflection plate, there is again the Radial Flow of periodically making 180 ° of changes, replace successively left breach and the right breach through deflection plate, the barrier effect of deflection plate reduces the flowing velocity of refrigerant air-liquid mixture, because gas is different from the density of liquid, liquid in the time flowing together with gas, liquid can be subject to the effect of gravity, produce a downward speed, thereby can be more and gas split, and gas still flows towards original direction, liquid and gas is separative tendency in gravitational field, can be adsorbed on the wooden partition face of deflection plate and pool together sinking.Flow to by continuous change, the liquid in refrigerant air-liquid mixture is further separated, last, and the cold-producing medium gas that mass dryness fraction is higher flows out separator from cold-producing medium escape pipe and siphoned away by compressor.This separation apparatus structure is simple, and diameter is little, gas can be separated as far as possible with liquid, and efficiency is high.
In above-mentioned gas-liquid separation device, in described tank body, be provided with refrigerant liquid, described tank base is provided with cold-producing medium inlet and cold-producing medium liquid outlet, the cavity of described tank body is connected with a cold-producing medium feed tube by described cold-producing medium inlet, and the cavity of described tank body is connected with a cold-producing medium drain pipe by described cold-producing medium liquid outlet.The liquid of refrigerant liquid in can adsorption refrigerating agent gas liquid mixture, make the more thorough of gas-liquid separation, refrigerant liquid can be discharged separator recycle and reuse by cold-producing medium drain pipe and cold-producing medium liquid outlet, can also adjust the refrigerant liquid scale of construction in tank body by cold-producing medium feed tube and cold-producing medium drain pipe.
In above-mentioned gas-liquid separation device, the interior end opening of described cold-producing medium escape pipe is towards described front head, and the interior end opening of described cold-producing medium air inlet pipe is positioned at above described refrigerant liquid and towards described rear head.The lower refrigerant air-liquid mixture of mass dryness fraction that carrys out flash-pot enters in tank body from cold-producing medium air inlet pipe, the outlet of cold-producing medium air inlet pipe is towards rear head, after refrigerant air-liquid mixture clashes into rear head, change flows to the tank body other end mobile, because the diameter of separator tank body is more much bigger than the diameter of cold-producing medium air inlet pipe, refrigerant air-liquid mixture flow velocity reduces, flow to and change, liquid refrigerant wherein obtains initial gross separation.
In above-mentioned gas-liquid separation device, the liquid level of described refrigerant liquid exceeds the height 40mm-60mm of described lower breach.Refrigerant liquid seals the lower breach of deflection plate, and refrigerant air-liquid mixture is under the effect of deflection plate, and flow direction periodically-varied, strengthens separating effect, also can ensure fully contacting and absorption of liquid in refrigerant mixed body and refrigerant liquid.
In above-mentioned gas-liquid separation device, in described tank body, be also provided with low fluid level controller and high fluid level controller, on described cold-producing medium feed tube and cold-producing medium drain pipe, be equipped with magnetic valve.The highest liquid level of separator inner refrigerant liquid and minimum liquid level are by the magnetic valve interlocked control on low fluid level controller and high fluid level controller and cold-producing medium feed tube and cold-producing medium drain pipe.
Compared with prior art, advantage of the present utility model is as follows:
1, this device is by reasonable installation deflection plate, make the flow direction of refrigerant air-liquid mixture periodically-varied, replace successively left breach and the right breach through deflection plate, utilize different being isolated of density of gas and liquid, this separation apparatus structure is simple, diameter is little, gas can be separated as far as possible with liquid, and efficiency is high.
2, the outlet of this device cold-producing medium air inlet pipe is towards rear head, after refrigerant air-liquid mixture clashes into rear head, change flows to escape pipe direction mobile, because the diameter of separator tank body is more much bigger than the diameter of cold-producing medium air inlet pipe, refrigerant air-liquid mixture flow velocity reduces, flow to and change, can make liquid refrigerant wherein obtain initial gross separation.
3, the highest liquid level of this device inner refrigerant liquid and minimum liquid level are by the magnetic valve interlocked control on low fluid level controller and high fluid level controller and cold-producing medium feed tube and cold-producing medium drain pipe, and utilize the liquid in refrigerant liquid contact and adsorption refrigerating agent gas liquid mixture, strengthen separating effect.
Brief description of the drawings
Fig. 1 be this device face internal structure schematic diagram.
Fig. 2 be this device overlook internal structure schematic diagram.
Fig. 3 is the internal structure schematic diagram of this device.
In figure, 1, tank body; 2, front head; 3, rear head; 4, cold-producing medium escape pipe; 5, cold-producing medium air inlet pipe; 6, deflection plate; 7, cold-producing medium inlet; 8, cold-producing medium liquid outlet; 9, cold-producing medium feed tube; 10, cold-producing medium drain pipe; 11, refrigerant liquid; 12, low fluid level controller; 13, high fluid level controller; 14, magnetic valve.
Detailed description of the invention
Be below specific embodiment of the utility model by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiment.
As shown in Figure 1, Figure 2 and Figure 3, this gas-liquid separation device comprises the tank body 1 with cavity, the two ends of tank body 1 are respectively equipped with front head 2 and rear head 3, and tank body 1 is installed with cold-producing medium escape pipe 4 near the top of front head 2, and cold-producing medium escape pipe 4 is connected with the cavity of tank body 1; Tank body 1 is installed with cold-producing medium air inlet pipe 5 near the bottom of rear head, and cold-producing medium air inlet pipe 5 is connected with the cavity of tank body 1; The interior end opening of cold-producing medium escape pipe 4 is towards front head 2, the interior end opening of cold-producing medium air inlet pipe 5 is positioned at refrigerant liquid 11 tops and towards rear head 3, tank body 1 is interior is distributed with some deflection plates 6 along tank body 1 length direction, each deflection plate 6 is radially installed in along tank body 1 on the madial wall of tank body 1, and deflection plate 6 lower ends are equipped with lower breach and some deflection plates 6 are alternately provided with left breach and right breach successively; In tank body 1, be provided with refrigerant liquid 11, tank body 1 bottom is provided with cold-producing medium inlet 7 and cold-producing medium liquid outlet 8, the cavity of tank body 1 is connected with a cold-producing medium feed tube 9 by cold-producing medium inlet 7, and the cavity of tank body 1 is connected with a cold-producing medium drain pipe 10 by cold-producing medium liquid outlet 8.The liquid of refrigerant liquid 11 in can adsorption refrigerating agent gas liquid mixture, make the more thorough of gas-liquid separation, refrigerant liquid 11 can be discharged separator recycle and reuse by cold-producing medium drain pipe 10 and cold-producing medium liquid outlet 8, can also adjust refrigerant liquid 11 amounts in tank body 1 by cold-producing medium feed tube 9 and cold-producing medium drain pipe 10.
Its principle is as follows: this gas-liquid separation device is a kind of horizontal type gas and liquid separator, comprise the tubular tank body 1 of an accumbency, the two ends of this tank body 1 are respectively by front head 2 and rear head 3 shutoff, be provided with refrigerant air inlet and cold-producing medium air inlet pipe 5 in tank body 1 one end, be provided with cold-producing medium gas outlet and cold-producing medium escape pipe 4 at tank body 1 other end, because refrigerant air-liquid mixture is subject to heat density little, easily move upward, cold-producing medium air inlet pipe 5 is positioned at cold-producing medium escape pipe 4 belows, refrigerant air-liquid mixture enters in tank body 1 cavity by refrigerant air inlet and cold-producing medium air inlet pipe 5, the outlet of cold-producing medium air inlet pipe 5 is towards rear head 3, refrigerant air-liquid mixture clashes into the rear change of rear head 3 and flows to tank body 1 other end mobile, because the diameter of separator tank body 1 is more much bigger than the diameter of cold-producing medium air inlet pipe 5, refrigerant air-liquid mixture flow velocity reduces, flow to and change, liquid refrigerant wherein obtains initial gross separation, flow to the cold-producing medium escape pipe 4 of tank body 1 afterwards, need to walk around the deflection plate 6 of tank body 1 interior setting.The existing axial flow of refrigerant air-liquid mixture, under the effect of deflection plate 6, there is again the Radial Flow of periodically making 180 ° of changes, replace successively left breach and the right breach through deflection plate 6, the barrier effect of deflection plate 6 reduces the flowing velocity of refrigerant air-liquid mixture, because gas is different from the density of liquid, liquid in the time flowing together with gas, liquid can be subject to the effect of gravity, produce a downward speed, thereby can be more and gas split, and gas still flows towards original direction, liquid and gas is separative tendency in gravitational field, can be adsorbed on the wooden partition face of deflection plate 6 and pool together sinking.Flow to by continuous change, the liquid in refrigerant air-liquid mixture is further separated, and last, the cold-producing medium gas that mass dryness fraction is higher flows out separator from cold-producing medium escape pipe 4 and siphoned away by compressor.This separation apparatus structure is simple, and diameter is little, gas can be separated as far as possible with liquid, and efficiency is high.
As shown in Figure 1, the liquid level of refrigerant liquid 11 exceeds the height 40mm-60mm of lower breach, in the present embodiment, be preferably 50mm, refrigerant liquid 11 seals the lower breach of deflection plate 6, refrigerant air-liquid mixture is under the effect of deflection plate 6, flow direction periodically-varied, strengthens separating effect, also can ensure fully contacting and absorption of liquid in refrigerant mixed body and refrigerant liquid 11.In tank body 1, be also provided with low fluid level controller 12 and high fluid level controller 13, on cold-producing medium feed tube 9 and cold-producing medium drain pipe 10, be equipped with magnetic valve 14.The highest liquid level of separator inner refrigerant liquid 11 and minimum liquid level are by magnetic valve 14 interlocked control on low fluid level controller 12 and high fluid level controller 13 and cold-producing medium feed tube 9 and cold-producing medium drain pipe 10.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendments or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Although more used 1 herein, tank body; 2, front head; 3, rear head; 4, cold-producing medium escape pipe; 5, cold-producing medium air inlet pipe; 6, deflection plate; 7, cold-producing medium inlet; 8, cold-producing medium liquid outlet; 9, cold-producing medium feed tube; 10, cold-producing medium drain pipe; 11, refrigerant liquid; 12, low fluid level controller; 13, high fluid level controller; 14, the term such as magnetic valve, but do not get rid of the possibility that uses other term.Use these terms to be only used to describe more easily and explain essence of the present utility model; They are construed to any additional restriction is all contrary with the utility model spirit.