Electric constant-speed propulsion hydrogen sulfide colorimetric determination device

Abstract

The utility model discloses an electric constant-speed propelling hydrogen sulfide colorimetric measuring device which comprises a base, a tube locking mechanism and a tube pushing mechanism, and the tube locking mechanism and the tube pushing mechanism are arranged on the base; the tube locking mechanism is used for locking the sampler, and the tube pushing mechanism is used for pushing a piston handle of the sampler, so that a gas sample passes through the ratio length type measuring tube at a constant speed. According to the pipe pushing mechanism, the pushing speed can be set, the pushing time can be accurately adjusted, and measurement is accurate; compared with an existing manual propeller, the labor intensity of operators is relieved, constant-speed propelling is achieved, and the device is easy to carry.

Description

TECHNICAL FIELD

[0001] The utility model relates to a gas test equipment technical field, concretely is a kind of hydrogen sulfide colorimetric determination device of electric constant speed propulsion. BACKGROUND

[0002] At present, the hydrogen sulfide content test of gathering and transportation station is carried out by colorimetric method, and the detection is carried out by using long-type hydrogen sulfide determination tube. The specific operation steps are as follows: first, cut the two ends of the determination tube, and then connect it to the sampler. According to the technical requirements, make 50 milliliters of gas sample pass through the colorimetric tube at a constant speed within 30 seconds or 100 seconds. Hydrogen sulfide reacts with the indicating glue in the colorimetric tube to generate brown color change column, and the concentration of hydrogen sulfide is determined by reading the number indicated at the upper end of the color change column. In the process of on-site hydrogen sulfide detection, the operator manually pushes the sampler, which is very laborious, resulting in slow propulsion speed, which cannot complete the hydrogen sulfide test within the specified 30 seconds, and the data is not accurate. On the contrary, if the force is too large, the propulsion speed will be too fast, resulting in insufficient reaction of the indicating glue at the rear end of the colorimetric tube. The measurement data error is large, and the judgment of potential safety risk of hydrogen sulfide is not accurate, which is easy to cause safety accident.

[0003] Publication No.: CN221377681U discloses a device for detecting the concentration of chlorine gas in tail gas in the production process of titanium tetrachloride, which comprises a tail gas pipeline and further comprises a sampling branch pipe, a sampling valve, a connecting pipe, a negative pressure pipe, a syringe, a rubber pipe and a long-type gas detection tube. The sampling branch pipe is fixed on the tail gas pipeline, and the sampling valve is installed on the sampling branch pipe. The sampling branch pipe is nested with one end of the connecting pipe, the other end of the connecting pipe is nested with the syringe, and the negative pressure pipe connected with the exhaust fan is further arranged above the connecting pipe and is made of corrosion-resistant material. The syringe and the rubber pipe are connected with each other.

[0004] The existing technology has the problems of piston handle not being pushed or being pushed too fast or too slow when in use.

[0005] Publication No.: CN211905101U discloses a waste gas detection gun, which comprises a gun body and a detection tube. The gun body comprises an indicator device, an air suction pump, a power supply assembly, an indicator supply switch, an air suction switch, a mounting port and an indicator injection pump. The mounting port is used to connect with one end of the detection tube. The indicator device can communicate with the detection tube mounted to the mounting port through an indicator supply pipeline and supply indicator to the detection tube. The air suction pump can communicate with the detection tube mounted to the mounting port through an air suction pipeline and perform air suction operation.

[0006] The existing technology uses air pump as power source and cannot be used with sampling tube.

[0007] The utility model discloses a kind of experimental devices for rapidly determining hydrogen sulfide and phosphine in acetylene reaction gas, including stainless steel gas path pipe, valve, gas flow meter F1, H2S / H3P detection device, gas flow meter F2 are sequentially provided with on stainless steel gas path pipe along the direction of gas flow, the gas input end of stainless steel gas path pipe is connected with connecting pipe, the output end of stainless steel gas path pipe is connected with gas sampling bag by rubber tube.

[0008] The existing device is large in size, has many parts, is not easy to carry and is not easy to use with a sampling tube.

[0009] In summary, the technical solutions of the above disclosed technologies and the technical problems to be solved and the beneficial effects produced are different from the present utility model, and the above disclosed technical documents do not have technical inspiration for more technical features and technical problems to be solved and beneficial effects of the present utility model. Utility model content

[0010] In view of the above defects of the prior art, the present utility model aims to provide an electric constant-speed propulsion hydrogen sulfide colorimetric determination device.

[0011] To achieve the above purpose, the present utility model adopts the following technical solutions:

[0012] An electric constant-speed propulsion hydrogen sulfide colorimetric determination device includes a base, and further includes a pipe locking mechanism and a pipe pushing mechanism, which are arranged on the base; the pipe locking mechanism is used for locking a sampler, and the pipe pushing mechanism is used for pushing a piston handle of the sampler to make the gas sample pass through a length-difference determination tube at a constant speed.

[0013] Further, the pipe locking mechanism includes a fixed clamping seat and a movable clamping seat.

[0014] Specifically, the lower end face of the movable clamping seat is provided with an upper arc-shaped clamping groove, and the two sides of the upper arc-shaped clamping groove are upper rotary connection end heads and upper clamping end heads.

[0015] Specifically, the lower end face of the movable clamping seat is provided with an upper arc-shaped clamping groove, and the two sides of the upper arc-shaped clamping groove are upper rotary connection end heads and upper clamping end heads.

[0016] Specifically, the lower rotary connection end head is rotationally connected with the upper rotary connection end head, and the lower clamping end head and the upper clamping end head are connected through a one-way non-retraction mechanism.

[0017] Further, the front end face or the rear end face of the fixed clamping seat is attached to the rear end face or the front end face of the movable clamping seat.

[0018] Specifically, the one-way non-return mechanism is a ratchet buckle, the front end face or the rear end face of the fixed clamping seat is provided with a lower ratchet buckle at the lower clamping end, and the rear end face or the front end face of the movable clamping seat is provided with an upper ratchet buckle at the upper clamping end, and the lower ratchet buckle can be locked with the upper ratchet buckle.

[0019] Specifically, the movable clamping seat is made of a flexible material and can be deformed under pressure to separate the upper ratchet buckle from the lower ratchet buckle.

[0020] Further, the groove faces of the upper and lower arc-shaped clamping grooves are provided with friction pads.

[0021] Further, the push tube mechanism comprises a driving device, a driving screw, a driving sliding block and a limiting sliding channel.

[0022] Specifically, the driving device and the limiting sliding channel are arranged on the base, the driving screw is threadedly connected with the driving sliding block, the driving sliding block is in sliding fit with the limiting sliding channel, the driving screw is connected with the output shaft of the driving device, and the driving sliding block corresponds to the movable clamping seat and the fixed clamping seat.

[0023] Further, the limiting sliding channel comprises limiting plates one and two and a connecting plate, the limiting plates one and two are connected with the base, and the driving sliding block is in sliding limit with the limiting plates one and two.

[0024] Specifically, the connecting plate connects the limiting plates one and two, the connecting plate is located at one end of the limiting sliding channel away from the driving device, the connecting plate is rotationally connected with the driving screw, and the fixed clamping seat is arranged on the upper end of the connecting plate.

[0025] Further, the driving sliding block comprises a sliding plate and a threaded sleeve.

[0026] Specifically, the threaded sleeve is arranged at the lower end of the sliding plate, the threaded sleeve is threadedly connected with the driving screw, one side of the sliding plate facing the movable clamping seat and the fixed clamping seat is provided with a circular groove, and the circular groove is used for cooperating with a circular pressing plate on the piston handle of the sampling tube.

[0027] Further, the driving device comprises a power supply, a motor controller and a driving motor.

[0028] Specifically, the power supply provides electric energy for the motor controller, the motor controller is connected with the driving motor through power and signal cables, the motor controller controls the rotation of the driving motor, and the output shaft of the driving motor is connected with the driving screw.

[0029] Further, the inner wall of the driving sliding block is provided with position switches one and two, the position switch one is close to the driving motor, and the position switch two is close to the connecting plate.

[0030] The base is provided with a power switch and an advancing and retreating switch.

[0031] Specifically, the power switch controls the power on state;

[0032] Specifically, the forward-reverse switch, the position switch one and the position switch two are electrically connected with the motor controller; the position switch one and the position switch two can trigger the driving slider side wall to send the driving slider position to the motor controller; the forward-reverse switch is used for converting the driving slider movement direction.

[0033] Further, the base is a device box, and the device box is connected with the power supply, the motor controller, the driving motor and the limiting slide rail through the fixing frame.

[0034] Compared with the prior art, the utility model has the following beneficial effects:

[0035] 1, the utility model discloses a control motor cooperation driving slider pushes forward sampler, and the pushing moment is big;The utility model utilizes motor controller setting motor pushing speed, and pushing time can be accurately adjusted, and measurement is accurate;The motor of the utility model advances and stops through position switch control, and the positioning accuracy is high.

[0036] 2, the utility model discloses a fixing frame fixed sampler, and fixed clamping seat limits sampler, and installation is convenient, and fixed firm

[0037] 3, compared with the prior art manual pusher, the utility model not only reduces the labor intensity of operating personnel, but also realizes uniform speed pushing, and the device is easy to carry.

[0038] 4, the utility model can be applied to oil well and gathering station warehouse site hydrogen sulfide site detection, also can be applied to natural gas treatment and external transmission process on-line medium hydrogen sulfide content site detection. DRAWINGS

[0039] Fig. 1 It is a structural schematic diagram of the utility model kind of electric constant speed pushing hydrogen sulfide colorimetric determination device;

[0040] Fig. 2 It is a top view of the utility model kind of electric constant speed pushing hydrogen sulfide colorimetric determination device.

[0041] In the drawing: power supply 1, motor controller 2, driving motor 3, driving screw 4, driving slider 5, position switch one 6, position switch two 7, movable clamping seat 8, device box 9, power switch 10, forward-reverse switch 11, fixed clamping seat 12, limiting slide rail 13. DETAILED DESCRIPTION

[0042] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts fall within the scope of the present application.

[0043] Embodiment 1:

[0044] Please refer to Figs. 1-2 The present embodiment provides a kind of electric constant speed propulsion hydrogen sulfide colorimetric determination device, including equipment box 9, locking pipe mechanism is arranged in the equipment box 9, push pipe mechanism, the locking pipe mechanism is used to lock sampler, the push pipe mechanism is used to push the piston handle of sampler, make gas sample uniform velocity through length determination pipe.

[0045] Further, the locking pipe mechanism includes fixed clamping base 12, movable clamping base 8, the lower end surface of the fixed clamping base 12 is provided with lower arc-shaped clamping groove, and the two sides of the lower arc-shaped clamping groove are lower rotary connection end head and lower clamping end head, the lower end surface of the movable clamping base 8 is provided with upper arc-shaped clamping groove, and the two sides of the upper arc-shaped clamping groove are upper rotary connection end head and upper clamping end head, the lower rotary connection end head is rotatably connected with the upper rotary connection end head, and the lower clamping end head and the upper clamping end head are connected by one-way non-back mechanism.

[0046] Specifically, the front end face or rear end face of the fixed clamping base 12 is attached to the rear end face or front end face of the movable clamping base 8, the one-way non-back mechanism is a zigzag buckle, the front end face or rear end face of the fixed clamping base 12 is provided with lower zigzag buckle at the lower clamping end head, the rear end face or front end face of the movable clamping base 8 is provided with upper zigzag buckle at the upper clamping end head, the lower zigzag buckle is locked with the upper zigzag buckle, the sampling tube in the lower arc-shaped clamping groove and the upper arc-shaped clamping groove is clamped tightly, the upper zigzag buckle is separated from the lower zigzag buckle by manual pressure, and the connection is released.

[0047] Specifically, the groove surface of the upper arc-shaped clamping groove and the lower arc-shaped clamping groove is provided with friction pad to prevent the sampling tube from moving forward and backward.

[0048] Specifically, the movable clamping base 8 is made of cast steel material.

[0049] Further, the push pipe mechanism includes driving device, driving screw 4, driving sliding block 5 and limiting slide 13, the limiting slide 13 is arranged in the equipment box 9, the driving screw 4 is threadedly connected with the driving sliding block 5, the driving sliding block 5 is slidingly matched with the limiting slide 13, the driving sliding block 5 can slide along the limiting slide 13, the driving screw 4 is connected with the output shaft of the driving device, and the driving sliding block 5 corresponds to the movable clamping base 8 and the fixed clamping base 12.

[0050] Specifically, the limiting slide 13 comprises a limiting plate one, a limiting plate two, and a connecting plate, the drive sliding block 5 is slidingly limited by the limiting plate one and the limiting plate two, the connecting plate connects the limiting plate one and the limiting plate two, the connecting plate is located at one end of the limiting slide 13 away from the driving device, the connecting plate is rotationally connected with the drive screw 4, and the fixed clamping seat 12 is arranged on the upper end of the connecting plate. In this way, the strength of the limiting slide 13 is improved, and the integration of the device is improved.

[0051] Specifically, the drive sliding block 5 comprises a sliding plate and a threaded sleeve, the threaded sleeve is arranged at the lower end of the sliding plate, the threaded sleeve is threadedly connected with the drive screw 4, one side of the sliding plate facing the movable clamping seat 8 and the fixed clamping seat 12 is provided with a circular groove, and the circular groove is used in cooperation with a circular pressing plate on the sampling pipe piston handle.

[0052] Specifically, the driving device comprises a power supply 1, a motor controller 2, and a driving motor 3, the power supply 1 provides electric energy for the motor controller 2, the motor controller 2 is connected with the driving motor 3 through a power and signal cable, the motor controller 2 provides electric energy for the driving motor 3 and controls the rotation of the driving motor 3, and the output shaft of the driving motor 3 is connected with the drive screw 4 through a shaft coupling.

[0053] Further, the limiting plate one or the limiting plate two is provided with a position switch one 6 and a position switch two 7 on the end face facing the drive screw 4, the position switch one 6 is close to the driving motor 3, the position switch two 7 is close to the connecting plate, the position switch one 6 and the position switch two 7 can be triggered with the side wall of the drive sliding block 5, and the position of the drive sliding block 5 is sent to the motor controller 2.

[0054] In a preferred form, the position switch one 6 and the position switch two 7 are travel switches, and are triggered when the side wall of the drive sliding block 5 contacts the position switch one 6 and the position switch two 7.

[0055] In another preferred form, the position switch one 6 and the position switch two 7 are infrared switches, and are triggered when the drive sliding block 5 blocks the position switch one 6 and the position switch two 7.

[0056] Specifically, the equipment box 9 is provided with a power switch 10 and an advancing and retreating switch 11, the power switch 10 is electrically connected between the power supply 1 and the motor controller 2, the power switch 10 is used for controlling the power-on state of the power supply 1, the advancing and retreating switch 11, the position switch one 6 and the position switch two 7 are electrically connected with the motor controller 2, and the advancing and retreating switch 11 is used for converting the movement direction of the drive sliding block 5 after the drive sliding block 5 contacts the position switch one 6 or the position switch two 7.

[0057] Specifically, the power supply 1 is a battery.

[0058] Specifically, the equipment box 9 is a hollow rectangular box, and the equipment box 9 is connected and fixed with the power supply 1, the motor controller 2, the driving motor 3 and the limiting slide 13 through a fixed frame.

[0059] Embodiment 2:

[0060] Based on the embodiment 1, the embodiment provides a use method of the electric constant-speed propulsion hydrogen sulfide colorimetric determination device, including the following steps:

[0061] S1, prepare an electric constant-speed propulsion hydrogen sulfide colorimetric determination device, a sampling tube and a specific-length hydrogen sulfide determination tube;

[0062] The driving slider 5 is adjusted to the position switch one 6, the sampling tube is used for natural gas sampling, the two ends of the specific-length hydrogen sulfide determination tube are cut open, and then the specific-length hydrogen sulfide determination tube is connected to the sampler.

[0063] S2, install the sampler filled with the natural gas to be detected in the equipment box 1, place the tube body of the sampler close to the one end of the plunger handle on the fixed clamping seat 12, match the round groove of the driving slider 5 with the round pressing plate on the plunger handle of the sampling tube, lower the movable clamping seat 8, clamp the upper and lower toothed buckles, and lock the sampling tube.

[0064] S3, open the power switch 11, press the forward and backward conversion switch 11, the motor controller 2 drives the driving motor 3 to rotate the driving screw 4, the driving slider 4 is slowly moved to the position switch two 7, the plunger handle of the sampler is pushed, the sample gas in the sampler is uniformly passed through the specific-length hydrogen sulfide determination tube in a specified time, the sample gas fully reacts with the indicating glue in the specific-length hydrogen sulfide determination tube, a color-changing column is generated, the specific value of the hydrogen sulfide content is read according to the length of the color-changing column, and the driving slider 4 contacts the position switch two 7, and the motor controller 2 drives the driving motor 3 to stop rotating.

[0065] S4, press the forward and backward conversion switch 11 after the measurement is finished, the motor controller 2 drives the driving slider 5 to slowly return to the position switch one 6, the driving slider 5 contacts the position switch one 6, and the motor controller 2 drives the driving motor 3 to stop rotating.

[0066] The utility model discloses the structure is simple, and the manufacturing cost is low, and when the colorimetric method hydrogen sulfide is detected, it is very laborious to push manually, and it often appears that the situation of pushing is not moved, leads to the propulsion speed to be too slow, makes the indicating glue reaction of colorimetric tube rear section not sufficient. On the contrary, if the propulsion speed is too fast, the indicating glue reaction of colorimetric tube front end is not sufficient. The two kinds of situations can all lead to the data of reading not accurate. The utility model solves this difficult problem.

[0067] In the present application, the parts not discussed, the connection mode of each part in the present application are all the known technology in the technical field.

[0068] In the present application, the term "a plurality of" refers to two or more, unless otherwise explicitly limited. The terms "mounting", "connected", "connected", "fixed" and other terms should be understood in a broad sense, for example, "connected" can be fixed connection, or detachable connection, or integrally connected; "connected" can be directly connected, or indirectly connected through an intermediate medium. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0069] In the description of the present application, it should be understood that the terms "upper", "lower", "left", "right", "front", "back" and other terms indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or unit referred to must have a particular direction, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the present application.

[0070] In the description of the present application, the terms "one embodiment", "some embodiments", "specific embodiments" and the like mean that the specific features, structures, materials or characteristics described in conjunction with the embodiments or examples are included in at least one embodiment or example of the present application. In the present application, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0071] The above is only the preferred embodiment of the present application, and is not used to limit the present application. For those skilled in the art, the present application can have various changes and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. An electrically powered constant-speed propulsion hydrogen sulfide colorimetric measuring device, comprising a base, characterized in that, It also includes a tube locking mechanism and a tube pushing mechanism, which are mounted on the base; The locking mechanism is used to lock the sampler, and the pushing mechanism is used to push the piston handle of the sampler so that the gas sample passes through the length-specific measuring tube at a uniform speed.

2. The electrically powered constant-speed propulsion hydrogen sulfide colorimetric measuring device according to claim 1, characterized in that, The locking mechanism includes a fixed card seat and a movable card seat; The upper surface of the fixed card holder is provided with a lower arc-shaped card groove, and the two sides of the lower arc-shaped card groove are the lower rotating connection end and the lower locking end; The lower end face of the movable card holder is provided with an upper arc-shaped card groove, and the upper arc-shaped card groove has an upper rotating connection end and an upper locking end on both sides; The lower rotating connection end is rotatably connected to the upper rotating connection end, and the lower engaging end and the upper engaging end are connected by a one-way non-retracting mechanism.

3. The electrically powered constant-speed propulsion hydrogen sulfide colorimetric measuring device according to claim 2, characterized in that, The front or rear face of the fixed card holder is in contact with the rear or front face of the movable card holder. The one-way non-retractable mechanism is a toothed buckle. The front or rear face of the fixed card seat is provided with a lower toothed buckle at the lower engaging end, and the rear or front face of the movable card seat is provided with an upper toothed buckle at the upper engaging end. The lower toothed buckle can be locked with the upper toothed buckle. The movable bracket is made of a tough material that can be deformed under pressure to separate the upper and lower teeth.

4. The electrically powered constant-speed propulsion hydrogen sulfide colorimetric measuring device according to claim 2, characterized in that, Friction pads are provided on the groove surfaces of the upper and lower arc-shaped slots.

5. The electrically powered constant-speed propulsion hydrogen sulfide colorimetric measuring device according to claim 2, characterized in that, The tube pushing mechanism includes a driving device, a driving screw, a driving slider, and a limiting slide. The driving device and the limiting slide are mounted on the base. The driving screw is threadedly connected to the driving slider. The driving slider is slidably engaged with the limiting slide. The driving screw is connected to the output shaft of the driving device. The driving slider corresponds to the movable bracket and the fixed bracket.

6. The electrically powered constant-speed propulsion hydrogen sulfide colorimetric measuring device according to claim 5, characterized in that, The limiting slide includes a first limiting plate, a second limiting plate, and a connecting plate. The first limiting plate and the second limiting plate are connected to the base, and the driving slider slides and limits the movement of the first limiting plate and the second limiting plate. The connecting plate connects to the first limiting plate and the second limiting plate. The connecting plate is located at the end of the limiting slide away from the driving device. The connecting plate is rotatably connected to the driving screw. The fixed bracket is set at the upper end of the connecting plate.

7. The electrically powered constant-speed propulsion hydrogen sulfide colorimetric measuring device according to claim 5, characterized in that, The drive slider includes a sliding plate and a threaded sleeve; The threaded sleeve is disposed at the lower end of the sliding plate and is threadedly connected to the drive screw. The side of the sliding plate facing the movable card seat and the fixed card seat is provided with a circular groove, which is used to cooperate with the circular pressure plate on the piston handle of the sampling tube.

8. The electrically powered constant-speed propulsion hydrogen sulfide colorimetric measuring device according to claim 5, characterized in that, The driving device includes a power supply, a motor controller, and a drive motor; The power source provides electrical energy to the motor controller, which is connected to the drive motor via power and signal cables. The motor controller controls the rotation of the drive motor, and the output shaft of the drive motor is connected to the drive screw.

9. The electrically powered constant-speed propulsion hydrogen sulfide colorimetric measuring device according to claim 8, characterized in that, The inner wall of the drive slider is provided with position switch one and position switch two. Position switch one is close to the drive motor, and position switch two is close to the connecting plate. The base is equipped with a power switch and a forward / reverse switch; The power switch controls the power supply status; The forward / backward selector switch, position switch one, and position switch two are electrically connected to the motor controller; position switch one and position switch two can be triggered by the side wall of the drive slider to send the drive slider position to the motor controller; The forward / backward switch is used to change the direction of movement of the drive slider.

10. The electrically powered constant-speed propulsion hydrogen sulfide colorimetric measuring device according to claim 8, characterized in that, The base is an equipment box, which is connected to the power supply, motor controller, drive motor, and limit slide rail via a fixed frame.

Images