Flammable liquid sampler

Abstract

The utility model discloses a flammable liquid sampler which comprises a sampling bottle, a bottle cap, a feeding pipe and a discharging pipe, the bottle cap and the sampling bottle form a closed space, the inlet end of the discharging pipe penetrates through the bottle cap, is inserted into the sampling bottle and is close to the bottom position of the sampling bottle, and the feeding pipe is connected with the discharging pipe. The outlet end of the discharging pipe is higher than the inlet end of the feeding pipe, and the pipe body of the discharging pipe is further provided with an air source pipe for introducing protective gas to exhaust air. The device is simple in structure, low in cost, convenient to install and operate, high in sample accuracy, long in service life and convenient to maintain and replace, and all components are connected in a sealed mode through bolts and nuts.

Description

TECHNICAL FIELD

[0001] The utility model relates to liquid sampling technical field more specifically, it is a kind of flammable liquid sampler with simple structure, low in cost, installation and operation are easy, sample accuracy is high, long service life. BACKGROUND

[0002] Petroleum chemical industry, fine chemical industry is the basis of national economy, in each link of its production, all will involve the storage and transportation of flammable and explosive liquid, processing process, in this process, safety and environmental protection when sampling is particularly important, a little carelessness or operation failure is extremely easy to cause fire, combustion and explosion or volatile flammable gas to escape to the environment, cause environmental pollution accident.

[0003] At present, for the design of flammable and explosive liquid sampling equipment, there are many standard products on the market.But these products, all exist design rigid, closed sampling valve price is high, maintenance frequently problem, closed is not good, there is certain leakage risk, cannot give consideration to the requirements of safety and environmental protection and other shortcomings. INVENTION CONTENTS

[0004] In order to solve the above problems, the utility model provides a kind of flammable liquid sampler, the utility model simple structure cost is low, installation and operation are easy, sample accuracy is high, long service life, each component is sealed connection using bolt and nut, maintenance is convenient.

[0005] In order to realize the above purpose, the utility model adopts the following technical scheme:

[0006] The utility model provides a kind of flammable liquid sampler, including sampling bottle, bottle cap, feed pipe and discharge pipe, the bottle cap with the sampling bottle forms closed space, the import end of the discharge pipe passes through the bottle cap, inserts the sampling bottle and is close to the bottom position of sampling bottle, the outlet end of the discharge pipe is higher than the import end of the feed pipe, the pipe body of the discharge pipe is also equipped with the gas source pipe that enters into protective gas to exhaust air.

[0007] As a preferred scheme of the utility model, the first flange is equipped on the bottle cap, and the first gasket is equipped between the bottle cap and the first flange.

[0008] As a preferred scheme of the utility model, the second gasket is equipped between the bottle cap and the bottle mouth of the sampling bottle.

[0009] As a preferred scheme of the utility model, the first flange is fixed by fastening bolt with the bottle cap.

[0010] As a preferred scheme of the utility model, the height of the gas source pipe is lower than the feed pipe.

[0011] As a preferred scheme of the utility model, the inlet of the gas source pipe is equipped with a second flange.

[0012] As a preferred scheme of the utility model, the inlet end of the feeding pipe is equipped with a third flange.

[0013] As a preferred scheme of the utility model, the outlet end of the discharging pipe is equipped with a fourth flange.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] 1) The utility model has simple structure, low cost, convenient installation and operation, high sample accuracy, long service life, and convenient maintenance and replacement of the components which are sealed and connected by bolts and nuts.

[0016] 2) In use, the material quickly enters the sampling bottle, submerges the inlet of the discharging pipe, forms a closed space in the bottle, and continues to rise, compresses the space in the bottle, forms a micro-positive pressure in the sampling bottle, and when a certain pressure is reached, the material in the sampling bottle is pressed out of the sampling bottle through the discharging pipe; complete discharging forms a siphon effect, and the two effects continuously promote the replacement in the sampling bottle until the cleaning and replacement in the sampling bottle are completed.

[0017] 3) The utility model is simple to operate and can have the replacement and cleaning function. DRAWINGS

[0018] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced as follows, and obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0019] Figure 1 is a schematic view of the utility model.

[0020] 1. discharging pipe; 2. feeding pipe; 3. first flange; 4. first gasket; 5. bottle cap; 6. second gasket; 7. fastening bolt; 8. sampling bottle; 9. second flange; 10. third flange; 11. fourth flange; 12. gas source pipe. DETAILED DESCRIPTION

[0021] In order to further understand the content of the utility model, the utility model will be described in detail in combination with the drawings and embodiments.

[0022] The application will be described in further detail below in conjunction with the accompanying drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the related utility model, and not to limit the utility model. In addition, it should be noted that only parts related to the utility model are shown in the drawings for ease of description. The first, second, and the like in the utility model are set for the convenience of describing the technical solutions of the utility model, and have no specific limiting effect, and are all generic, which do not constitute a limiting effect on the technical solutions of the utility model. It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. In the description of the utility model, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance. Unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication between two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances. The multiple technical solutions in the same embodiment, and the multiple technical solutions of different embodiments can be arranged and combined to form new technical solutions without contradiction or conflict, which are within the scope of the utility model.

[0023] Embodiment 1

[0024] Referring to Figure 1 The utility model provides a kind of flammable liquid sampler, including sampling bottle 8, bottle cap 5, feed pipe 2 and discharge pipe 1, the bottle cap 5 with the sampling bottle 8 form airtight space, the import end of the discharge pipe 1 passes through the bottle cap 5, inserts the sampling bottle 8 and is close to the bottom position of sampling bottle 8, the outlet end of the discharge pipe 1 is higher than the import end of the feed pipe 2, gas source pipe 12 that the discharge pipe 1 is also provided with on pipe body is ventilated with protective gas, to exhaust air.

[0025] In order to make the sampling bottle 8 inside the formation of airtight space, the utility model discloses on the bottle cap 5 is equipped with the first flange 3, and the first flange 3 between the bottle cap 5 is equipped with the first gasket 4, and this first gasket 4 is PTFE gasket, and the bottle cap 5 with the bottle mouth of sampling bottle 8 between the second gasket 6 is equipped with, and this second gasket 6 is also PTFE gasket, and the first flange 3 with the bottle cap 5 is fixed through fastening bolt 7, and fastening bolt 7 is M12x75 bolt nut.

[0026] The height of the gas source pipe 12 is lower than the feed pipe 2, and the inlet of the gas source pipe 12 is provided with a second flange 9.

[0027] The inlet end of the feed pipe 2 is provided with a third flange 10, and the outlet end of the discharge pipe 1 is provided with a fourth flange 11.

[0028] In the utility model, the first flange, the second flange, the third flange and the fourth flange are DN15 stainless steel flanges.

[0029] The material of the discharge pipe 1 is stainless steel pipe. The material of the feed pipe 2 is stainless steel pipe. The bottle cap 5 is a PTFE bottle cap.

[0030] In use, after the air in the sampling bottle is discharged through the gas source pipe, the sampling valve outside the feed pipe mouth is opened, the material quickly enters the sampling bottle, the inlet end of the discharge pipe inserted into the sampling bottle is submerged, and the inside of the bottle forms an airtight space; the liquid level continues to rise, the space in the bottle is compressed, the inside of the sampling bottle forms a slight positive pressure, and when a certain pressure is reached, the material in the sampling bottle is pressed out of the sampling bottle through the inlet end of the inserted discharge pipe; after the discharge is completed, a siphon effect is generated. The two effects will continuously promote the replacement in the sampling bottle until the cleaning and replacement in the sampling bottle are completed, the sampling valve is closed, and a small amount of material in the pipeline is returned to the sampling bottle.

[0031] The operation process of the utility model is as follows:

[0032] 1. Wear personal protective articles neatly;

[0033] 2. Unscrew the sampling bottle cap, and tighten the sampling bottle to the sampler to prevent air leakage;

[0034] 3. Open the sampling valve, and ensure that the sampling valve is fully open. At this time, the material will flow into the bottle, and through the height difference, the material in the bottle is automatically pressed into the previously prepared receiving container for about one minute, and then the sampling valve is closed;

[0035] 4. After the sampling valve is closed, wait for about 20 seconds, and a small amount of material in the discharge pipeline is returned to the bottle. The returned material and the extracted material are about 2 / 3 of the 250ML bottle, which meets the sampling requirements.

[0036] 5. After sampling is complete, remove the bottle, and during the removal of the bottle, allow the liquid in the tube to flow back into the bottle as much as possible, while quickly replacing the spare sampling bottle.

[0037] The above describes the utility model and its embodiments in a schematic way, and the description is not restrictive, and the embodiments shown in the drawings are only one of the embodiments of the utility model, and the actual structure is not limited thereto. Therefore, if a person skilled in the art is inspired thereby, without departing from the creative purpose of the utility model, similar structural modes and embodiments are not creatively designed, which should belong to the protection scope of the utility model.

Claims

1. A flammable liquid sampler, characterized in that, It includes a sampling bottle, a cap, an inlet tube, and an outlet tube. The cap and the sampling bottle form a sealed space. The inlet end of the outlet tube passes through the cap, is inserted into the sampling bottle, and is close to the bottom of the sampling bottle. The outlet end of the outlet tube is higher than the inlet end of the inlet tube. The outlet tube is also provided with a gas source tube for introducing protective gas to purge air.

2. A flammable liquid sampler according to claim 1, characterized in that, The bottle cap is provided with a first flange, and a first gasket is provided between the bottle cap and the first flange.

3. A flammable liquid sampler according to claim 1, characterized in that, A second gasket is provided between the bottle cap and the mouth of the sampling bottle.

4. A flammable liquid sampler according to claim 2, characterized in that, The first flange is fixed to the bottle cap by fastening bolts.

5. A flammable liquid sampler according to claim 1, characterized in that, The height of the air source pipe is lower than that of the feed pipe.

6. A flammable liquid sampler according to claim 1, characterized in that, The gas source pipe is equipped with a second flange at its inlet.

7. A flammable liquid sampler according to claim 1, characterized in that, The feed pipe is equipped with a third flange at its inlet end.

8. A flammable liquid sampler according to claim 1, characterized in that, The outlet end of the discharge pipe is equipped with a fourth flange.

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