CN209673494U - A kind of uniform nitrogen evaporator of gas supply - Google Patents

Abstract

The utility model discloses a kind of uniform nitrogen evaporators of gas supply, including outer housing, activated carbon filter layer and first gas flowmeter, bottom end inside the outer housing is equipped with pedestal, and the middle position on pedestal top is equipped with hydraulic telescopic rod, the top of the hydraulic telescopic rod is provided with movable plate, top inside the outer housing is equipped with gas storage chamber, the top of the outer housing is provided with air inlet pipe and extends to inside gas storage chamber, and one end of air inlet pipe is provided with first gas flowmeter, hose is evenly arranged with by venthole on the side wall of the outer housing, second gas flowmeter is provided on the hose, the output end of the hose passes through movable plate and is provided with blow needle, the two sides of the outer housing are provided with ventilation hole, and gas purification chamber is mounted on the outside of ventilation hole, it installs one end of the outer housing There is controller.Uniformly, and toxic gas can be absorbed in the utility model gas supply, energy conservation and environmental protection, use easy to spread.

Description

A kind of uniform nitrogen evaporator of gas supply

Technical field

The utility model relates to nitrogen evaporator technical field, specially a kind of uniform nitrogen evaporator of gas supply.

Background technique

Sample concentration is that each chemical laboratory will be involved in the problems, such as.In the past, mainly using Rotary Evaporators into Row concentration, still, it is obvious to carry out concentration disadvantage using Rotary Evaporators: concentration speed is slow, troublesome in poeration, is not particularly suitable for a small amount of Sample.In the case, nitrogen evaporator comes into being, it not only solves all disadvantages using Rotary Evaporators, especially suitable It is then even more that can only use nitrogen evaporator in a small amount of multiple samples, and for sample cannot heating or even needing cooling concentration It is concentrated, therefore, nitrogen evaporator must match instrument as each chemical laboratory.Be dried with nitrogen instrument for liquid phase, gas phase and Sample preparation in mass spectral analysis.Since nitrogen is a kind of inactive gas, starvation, anti-block can be played the role of Change.Nitrogen rapidly, continuously, is controllably blown to heating sample surfaces by nitrogen evaporator, realizes the rapid concentration of a large amount of samples, is had and is saved When, easy to operate, the characteristics of being easy to control, cracking can obtain expected results, therefore, it is residual that nitrogen evaporator is widely used in agriculture The industries such as analysis, commodity inspection, food, environment, pharmacy, biological products.

Existing nitrogen evaporator nitrogen enters before blow needle, and gas is sent into air inlet from the bottom of nitrogen evaporator device by feeder Joint.Usually, existing nitrogen evaporator be all from one end of the vent board of inlet suction port enter, then in vent board by It is a to enter blow needle channel.This mode is easy to cause the air-flow between each blow needle channel not of uniform size, close to air inlet Channel airflow is bigger, and the air-flow far from inlet port is minimum, and the progress for eventually leading to each channel when processing sample is inconsistent, The comparability of same batch sample is influenced, or even test result is impacted, and carrying out sample concentration in the process may Toxic gas is generated, air pollution environmental is directly discharged to, is detrimental to health.

Utility model content

The purpose of this utility model is to provide a kind of uniform nitrogen evaporators of gas supply, to solve to propose in above-mentioned background technique Gas supply unevenly and generate toxic gas endanger environmental problem.

To achieve the above object, the utility model provides the following technical solutions: a kind of uniform nitrogen evaporator of gas supply, including outer Shell, activated carbon filter layer and first gas flowmeter, the bottom end inside the outer housing is by being installed by welding with pedestal, and bottom The middle position on seat top is equipped with hydraulic telescopic rod by bolt, the top of the hydraulic telescopic rod be provided with movable plate with outside The inner sidewall of shell is flexibly connected, and the top inside the outer housing is by being installed by welding with gas storage chamber, the outer housing Top be provided with air inlet pipe and extend to inside gas storage chamber, and one end of air inlet pipe is provided with first gas flowmeter, institute It states and is evenly arranged with venthole on the side wall of outer housing, and be provided with hose on the outside of venthole, be provided on the hose Second gas flowmeter, the output end of the hose pass through movable plate and are provided with blow needle, and the two sides of the outer housing are respectively provided with There is ventilation hole, and the outside of ventilation hole, by being installed by welding with gas purification chamber, the inside of the gas purification chamber passes through Card slot is movably installed with activated carbon filter layer, and one end of the outer housing is equipped with controller by bolt, and controller is defeated Outlet is electrically connected with the input terminal of hydraulic telescopic rod, first gas flowmeter and second gas flowmeter by conducting wire.

Preferably, by being hingedly equipped with dodge gate on the shell body sidewall, and transparent sight is provided on dodge gate Examine window and handle.

Preferably, four corners of the outer housing bottom end are equipped with universal wheel, and the side of universal wheel by bolt It is provided with brake block.

Preferably, the side of the gas purification chamber is provided with air outlet, and sieve is provided on air outlet.

Preferably, the two sides on the pedestal top pass through bolt and are equipped with telescopic rod, and the top of telescopic rod and activity Plate is fixedly connected.

Preferably, the edge on the pedestal top is evenly arranged with sample bore, and sample bore is respectively positioned on correspondence and blows The underface of needle.

Compared with prior art, the utility model has the beneficial effects that the uniform nitrogen evaporator of the gas supply passes through setting shell Body can be directly discharged in air to avoid toxic gas is generated in the nitrogen evaporator course of work, pollute environment and harmful to human be strong Toxic gas can be absorbed by setting gas purification chamber in health, by the way that activated carbon filter layer is arranged to dismountable structure, Convenient for replacing to activated carbon filter layer, by the way that strainer is arranged on air outlet, external dust is avoided to enter gas purification chamber Nitrogen is extracted to the intracavitary portion of gas purification first, then successively open second gas flow by the way that gas storage chamber is arranged inside The switch of meter can make the nitrogen into each hose more uniform, by the way that second gas flowmeter is arranged, can detecte each The nitrogen total amount that hose flows into can detecte the nitrogen amount being filled with inside gas storage chamber by setting first gas flowmeter, It avoids flow is excessive from causing danger, by the way that telescopic rod is arranged, movable plate can be enabled steadily to move up and down, the utility model passes through Universal wheel, nitrogen evaporator easy to remove are set.

Detailed description of the invention

Fig. 1 is the schematic cross-sectional view of the utility model；

Fig. 2 is the overlooking structure diagram of the utility model gas storage chamber；

Fig. 3 is the side structure schematic view of the utility model；

Fig. 4 is the system block diagram of the utility model；

In figure: 1, outer housing；2, telescopic rod；3, blow needle；4, gas purification chamber；5, activated carbon filter layer；6, hydraulically extensible Bar；7, pedestal；8, sample bore；9, ventilation hole；10, movable plate；11, hose；12, gas storage chamber；13, first gas flow Meter；14, air inlet pipe；15, venthole；16, second gas flowmeter；17, air outlet；18, dodge gate；19, universal wheel；20, it controls Device processed.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-4 is please referred to, a kind of embodiment provided by the utility model: a kind of uniform nitrogen evaporator of gas supply, including shell Body 1, activated carbon filter layer 5 and first gas flowmeter 13, four corners of 1 bottom end of outer housing are equipped with universal by bolt Wheel 19, and the side of universal wheel 19 is provided with brake block, nitrogen evaporator easy to remove, the bottom end inside outer housing 1 passes through welding Pedestal 7 is installed, the edge on 7 top of pedestal is evenly arranged with sample bore 8, and sample bore 8 is respectively positioned on corresponding blow needle 3 Underface, convenient for placing sample, the middle position on 7 top of pedestal is equipped with hydraulic telescopic rod 6, hydraulic telescopic rod 6 by bolt Model can be CSM1520, the top of hydraulic telescopic rod 6 is provided with movable plate 10 and is flexibly connected with the inner sidewall of outer housing 1, bottom The two sides on 7 tops of seat pass through bolt and are equipped with telescopic rod 2, and the top of telescopic rod 2 is fixedly connected with movable plate 10, Ke Yiling Movable plate 10 steadily moves up and down, the top inside outer housing 1 by being installed by welding with gas storage chamber 12, outer housing 1 Top is provided with air inlet pipe 14 and extends to inside gas storage chamber 12, and one end of air inlet pipe 14 is provided with first gas flowmeter 13, the model of first gas flowmeter 13 can be CX-GMFM, be evenly arranged with venthole 15, and outlet on the side wall of outer housing 1 The outside in hole 15 is provided with hose 11, and second gas flowmeter 16, the type of second gas flowmeter 16 are provided on hose 11 It number can be CX-GMFM, the output end of hose 11 passes through movable plate 10 and is provided with blow needle 3, and the two sides of outer housing 1 are provided with logical Air holes 9, and the outside of ventilation hole 9, by being installed by welding with gas purification chamber 4, the inside of gas purification chamber 4 passes through card slot It is movably installed with activated carbon filter layer 5, the side of gas purification chamber 4 is provided with air outlet 17, and is respectively provided on air outlet 17 There is sieve, the gas after purification is discharged into air, sieve can enter inside gas storage chamber 12 to avoid external dust, outside By being hingedly equipped with dodge gate 18 on 1 side wall of shell, and transparent windows and handle are provided on dodge gate 18, convenient for taking Sample is taken, and can understand and be intuitive to see the progress of work, one end of outer housing 1 is equipped with controller 20 by bolt, control The model of device 20 can be FHR-211, the output end and hydraulic telescopic rod 6, first gas flowmeter 13 and the second gas of controller 20 The input terminal of flowmeter body 16 is electrically connected by conducting wire.

Working principle: in use, being first pumped into nitrogen to gas storage chamber 12 by air inlet pipe 14, pass through first Gas flowmeter 13 can detecte the total flow for being passed through nitrogen, and 12 internal gas of gas storage chamber is avoided to store the danger that mostly occurs Sample to be concentrated, is then placed on inside sample bore 8 by danger, opens corresponding 16 He of second gas flowmeter by controller 20 The switch of hydraulic telescopic rod 6 enables nitrogen inside gas storage chamber 12 enter the interior of hose 11 and blow needle 3 by venthole 15 Portion, hydraulic telescopic rod 6 are shunk, and pull downward on movable plate 10 with the cooperation of telescopic rod 2, blow needle 3 is enabled to be directed at the sample on 8 top of sample bore Product blowing, enables the organic solvent in sample volatilize, and the toxic gas for generation of volatilizing is entered in gas purification chamber 4 by ventilation hole 9 Portion, after activated carbon filter layer 5 absorbs toxic gas, remaining gas is discharged in air by air outlet 17, can be periodically right Activated carbon filter layer 5 is replaced.

It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting Related claim.

Claims (6)

1. a kind of uniform nitrogen evaporator of gas supply, including outer housing (1), activated carbon filter layer (5) and first gas flowmeter (13), It is characterized by: the internal bottom end of the outer housing (1) is by being installed by welding with pedestal (7), and the interposition on pedestal (7) top It sets and is equipped with hydraulic telescopic rod (6) by bolt, the top of the hydraulic telescopic rod (6) is provided with movable plate (10) and outer housing (1) inner sidewall is flexibly connected, and the internal top of the outer housing (1) is described by being installed by welding with gas storage chamber (12) The top of outer housing (1) is provided with air inlet pipe (14) and extends to gas storage chamber (12) inside, and one end of air inlet pipe (14) is set It is equipped with first gas flowmeter (13), is evenly arranged with venthole (15) on the side wall of the outer housing (1), and venthole (15) Outside be provided with hose (11), be provided with second gas flowmeter (16) on the hose (11), the hose (11) Output end passes through movable plate (10) and is provided with blow needle (3), and the two sides of the outer housing (1) are provided with ventilation hole (9), and logical By being installed by welding with gas purification chamber (4), the inside of the gas purification chamber (4) passes through card slot in the outside of air holes (9) It is movably installed with activated carbon filter layer (5), one end of the outer housing (1) is equipped with controller (20) by bolt, and is controlled The input terminal of the output end of device (20) and hydraulic telescopic rod (6), first gas flowmeter (13) and second gas flowmeter (16) It is electrically connected by conducting wire.

2. a kind of uniform nitrogen evaporator of gas supply according to claim 1, it is characterised in that: on outer housing (1) side wall By being hingedly equipped with dodge gate (18), and transparent windows and handle are provided on dodge gate (18).

3. a kind of uniform nitrogen evaporator of gas supply according to claim 1, it is characterised in that: outer housing (1) bottom end Four corners are equipped with universal wheel (19) by bolt, and the side of universal wheel (19) is provided with brake block.

4. a kind of uniform nitrogen evaporator of gas supply according to claim 1, it is characterised in that: the gas purification chamber (4) Side is provided with air outlet (17), and is provided with sieve on air outlet (17).

5. a kind of uniform nitrogen evaporator of gas supply according to claim 1, it is characterised in that: the two of pedestal (7) top Side passes through bolt and is equipped with telescopic rod (2), and the top of telescopic rod (2) is fixedly connected with movable plate (10).

6. a kind of uniform nitrogen evaporator of gas supply according to claim 1, it is characterised in that: the side on pedestal (7) top It is evenly arranged at edge sample bore (8), and sample bore (8) is respectively positioned on the underface of corresponding blow needle (3).