CN214667936U

CN214667936U - Automatic sampling equipment of anti positive negative pressure interference

Info

Publication number: CN214667936U
Application number: CN202120681725.7U
Authority: CN
Inventors: 胡龙明; 柯于凯; 叶俊
Original assignee: Yangxin Washi Cement Co Ltd
Current assignee: Yangxin Washi Cement Co Ltd
Priority date: 2021-04-02
Filing date: 2021-04-02
Publication date: 2021-11-09
Anticipated expiration: 2031-04-02

Abstract

The utility model discloses an anti positive negative pressure interference's automatic sampling equipment, including the sample frame, be equipped with the sample bucket in the sample frame, sample bucket and conveying pipeline intercommunication, the conveying pipeline upper end is connected with the sampler, the sampler left end is connected with double-acting cylinder, double-acting cylinder's left end is connected with first governing valve, double-acting cylinder's right-hand member is connected with the second governing valve, first governing valve with the second governing valve is connected with time relay respectively through the trachea, the sampler right-hand member is connected with gets the material pipe, it extends to in the powder pipeline to get the material pipe. The problem of run into production process negative pressure when big, the sample volume is few, leads to the sample not representative, can not gather the sample even, when production system positive pressure, the sampler can emit the ash, and the sample volume is many, causes environmental pollution easily is solved.

Description

Automatic sampling equipment of anti positive negative pressure interference

Technical Field

The utility model relates to an automatic sampling's of dry powdery material equipment, concretely relates to automatic sampling equipment of anti positive negative pressure interference.

Background

In the production process of building material enterprises such as cement enterprises, the ground powdery material is conveyed through a pipeline and an air chute, the whole system is closed, the material conveying is driven by the wind pressure generated by a fan, in the process, semi-finished products and finished products are sampled, whether the collected samples can be normally collected or not is judged by quality inspection and control of the collected samples, whether the product quality is normal or not is judged, therefore, the sampling is particularly important for production, the traditional automatic sampler drives the spiral reamer to automatically sample by controlling the motor reducer, and the wind pressure is often fluctuated in the production process, when the negative pressure is high in the production process, the sampling device usually has a small sample amount, so that the sample is not representative or even cannot be collected, when the production system is in positive pressure, the sampler emits ash, the sample amount is large, and the environmental pollution is easily caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an automatic sampling equipment of anti positive negative pressure interference to the cement production process pipe-line system positive negative pressure fluctuation that prior art exists causes the problem of influence to current sampling link greatly.

In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides an anti positive negative pressure interference's automatic sampling equipment, includes the sample frame, be equipped with the sample bucket in the sample frame, sample bucket upper end and conveying pipeline intercommunication, the conveying pipeline upper end is connected with the sampler, the sampler left end is connected with two effect cylinders, two effect cylinders's left end is connected with first governing valve, two effect cylinders's right-hand member is connected with the second governing valve, first governing valve with the second governing valve is connected with pneumatic solenoid valve respectively through the trachea, be connected with the control on the pneumatic solenoid valve's time relay, the sampler right-hand member is connected with gets the material pipe, it extends to in the powder pipeline to get the material pipe.

The device utilizes a time relay to control a pneumatic electromagnetic valve to enable a first speed regulating valve and a second speed regulating valve to work, a cylinder is pushed to enable a piston to stretch and move inwards and outwards, so that the purposes of cleaning, spacing and sampling are achieved, a sampling piston is pushed to the position of a sampling port by a cylinder body push rod to achieve cleaning, the first speed regulating valve and the second speed regulating valve are adjusted through the time spacing of the time relay, the sampling piston is pulled to the position of a discharging port, a sample flows into a sample barrel, and the cycle is repeated to achieve sampling; whole equipment is sealed, does not receive the influence of system positive negative pressure, can adjust the number of times and how much of sample simultaneously according to user's different requirements through time relay adjustment interval time, makes the sample of gathering more representative, convenient operation, environmental protection safety simultaneously to this guarantees product quality.

Preferably, the material taking pipe is welded in the powder conveying pipeline in a sealing mode through a connecting body.

The connecting body can complete the sealing of the material taking pipe and the powder conveying pipeline, and sealed sampling is realized.

Preferably, a tray is further arranged in the sample rack, the sample barrel is placed on the tray, and a handle extends outwards from the tray.

Be equipped with the tray in the sample frame for place the sample bucket, the accessible promotes the hand (hold) with the sealed sample of sample bucket, and the pulling hand (hold) sample bucket takes out.

Preferably, a fastening knob is installed at the bottom end of the tray.

The fastening knob is installed at the bottom end of the tray, the knob can be tightly fixed through the knob, the upper end of the sample barrel is tightly abutted against the sample rack, and the sample barrel is hermetically connected with the conveying pipe.

Preferably, the left end of the sampler is connected with the double-acting cylinder through a flange.

The sampler is connected with the double-acting cylinder through the flange, so that the connection stability can be ensured on one hand, and the sealing performance can be ensured on the other hand.

Preferably, the material conveying pipe is a plastic hose, and the upper end and the lower end of the plastic hose are respectively and fixedly connected with the sampler and the sample barrel through pipe hoops.

The plastic hose has better flexibility, so that the sample barrel and the sampler have better flexibility, and the upper end and the lower end of the plastic hose are respectively connected with the sampler and the sample barrel through pipe hoops, so that the sealing property between the sampler and the sample barrel is ensured.

Preferably, the plastic hose is disposed obliquely.

The plastic hose is obliquely arranged, so that the sample can conveniently slide into the sample barrel.

Preferably, the material taking pipe is provided with a plurality of material taking holes.

Be provided with a plurality of material taking holes on getting the material pipe, convenient stable even sampling.

Compared with the prior art, the beneficial effects of the utility model are that: 1. the device adopts sealed sampling, so that the sampling of the produced powdery product is not influenced by positive and negative pressure fluctuation of a system, the sampling amount is stable, the collected sample is more representative, the operation is convenient, the environment is protected and safe, the device is used for sampling, the control of the product quality is facilitated, and the benefit of enterprises is effectively guaranteed; 2. the device can be suitable for different requirements, and different sampling requirements can be completed by adjusting the time interval of the time relay.

Drawings

Fig. 1 is a schematic structural diagram of an automatic sampling apparatus for resisting positive and negative pressure interference according to the present invention;

in the figure: 1. a sample rack; 2. a sample barrel; 3. a plastic hose; 4. a double-acting cylinder; 5. a first speed regulating valve; 6. a second speed regulating valve; 7. taking a material pipe; 8. a powder conveying pipeline; 9. a tray; 10. a handle; 11. fastening a knob; 12. a pipe hoop; 13. a material taking hole; 14. a coupling body; 15. and a sampler.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Example one

Please refer to fig. 1, an automatic sampling device for resisting positive and negative pressure interference, which comprises a sample frame 1, a sample barrel 2 is arranged in the sample frame 1, the upper end of the sample barrel 2 is communicated with a conveying pipe, the upper end of the conveying pipe is connected with a sampler 15, the left end of the sampler 15 is connected with a double-acting cylinder 4, the left end of the double-acting cylinder 4 is connected with a first speed regulating valve 5, the right end of the double-acting cylinder 4 is connected with a second speed regulating valve 6, the first speed regulating valve 5 and the second speed regulating valve 6 are respectively connected with a pneumatic solenoid valve through air pipes, a time relay for controlling the pneumatic solenoid valve is connected on the pneumatic solenoid valve, the right end of the sampler 15 is connected with a material taking pipe 7, and the material taking pipe 7 extends into a powder conveying pipeline 8.

A tray 9 is arranged in a sample rack 1, a handle 10 extends outwards from the tray 9, a sample barrel 2 is placed on the tray 9, a fastening knob 11 is arranged at the lower end of the tray 9, the sample barrel 2 is communicated with a conveying pipe through a pipe hoop 12, the upper end of the conveying pipe is connected with a sampler 15, the conveying pipe is a plastic hose 3 and is obliquely arranged, the left end of the sampler 15 is connected with a double-acting cylinder 4 through a flange, the left end of the double-acting cylinder 4 is connected with a first speed regulating valve 5, the right end of the double-acting cylinder 4 is connected with a second speed regulating valve 6, the first speed regulating valve 5 and the second speed regulating valve 6 are respectively connected with a pneumatic solenoid valve through air pipes, a time relay for controlling the pneumatic solenoid valve is connected on the pneumatic solenoid valve, the right end of the sampler 15 is connected with a connecting body 14 through a flange, a material taking pipe 7 is arranged in the connecting body 14, a material taking hole 13 is arranged on the material taking pipe 7, and the material taking pipe 7 is communicated with the sampler 15, the material taking pipe 7 extends into the powder conveying pipeline 8, and the connecting body 14 completes sealing.

A tray 9 is arranged in a sample rack 1, a fastening knob 11 is arranged at the lower end of the tray 9, when sampling is carried out, a sample barrel 2 is fixed by screwing the fastening knob 11 and is tightly propped against the sample rack 1, so that the sample barrel 2 is sealed with a plastic hose 3, the sample barrel 2 is communicated with the plastic hose 3 through a pipe hoop 12, the upper end of the plastic hose 3 is communicated with a sampler 15 through the pipe hoop 12, the tightness of the device is realized by adopting the communication of the pipe hoop 12, the left end of the sampler 15 is connected with a double-acting cylinder 4, the left end of the double-acting cylinder 4 is connected with a first governing valve 5, the right end of the double-acting cylinder 4 is connected with a second governing valve 6, the first governing valve 5 and the second governing valve 6 are respectively connected with an external control system through air pipes, a time relay is arranged in the external control system, and controls the movement of a piston in the double-acting cylinder 4 through a pneumatic electromagnetic valve in the external control system, the purposes of cleaning, spacing and sampling are achieved, different sampling requirements are met by adjusting the time interval of the time relay, the time relay controls the first speed regulating valve 5 to intake air through a pneumatic solenoid valve, and the double-acting cylinder 4 pushes the piston to retract inwards through the push rod, so that the purpose of cleaning is achieved; when a time relay controls the air inlet of the second speed regulating valve 6 through a pneumatic electromagnetic valve, the double-acting cylinder 4 pulls the piston outwards through the push rod, the piston is pulled to the position of a feed opening, a sample is led into the sample barrel 2, the sampling purpose is realized, the right end of the sampler 15 is connected with the connecting body 14 through a flange, the connecting body 14 is internally provided with a material taking pipe 7, the material taking pipe 7 is communicated with the sampler 15, the material taking pipe 7 enters the powder conveying pipeline 8 and is welded in a sealing mode through the connecting body 14, the sealed sampling operation is realized, and positive pressure and negative pressure of the system can be mostly used.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an anti positive negative pressure interference's automatic sampling equipment, a serial communication port, including the sample frame, be equipped with the sample bucket in the sample frame, sample bucket upper end and conveying pipeline intercommunication, the conveying pipeline upper end is connected with the sampler, the sampler left end is connected with two effect air cylinders, two effect air cylinders's left end is connected with first governing valve, two effect air cylinders's right-hand member is connected with the second governing valve, first governing valve with the second governing valve is connected with pneumatic solenoid valve respectively through the trachea, the last control that is connected with of pneumatic solenoid valve's time relay, the sampler right-hand member is connected with gets the material pipe, it extends to in the powder pipeline to get the material pipe.

2. The automatic sampling device of claim 1, wherein the material taking pipe is hermetically welded in the powder conveying pipeline through a connecting body.

3. The automatic sampling device of claim 1, wherein a tray is further disposed in the sample rack, the sample barrel is placed on the tray, and a handle extends outward from the tray.

4. The automatic sampling device of claim 3, wherein the bottom end of the tray is provided with a fastening knob.

5. The automatic sampling device of claim 1, wherein the left end of the sampler is connected to the double-acting cylinder through a flange.

6. The automatic sampling device of claim 1, wherein the feeding tube is a plastic hose, and the upper end and the lower end of the plastic hose are respectively fastened to the sampler and the sample barrel through pipe hoops.

7. The automatic sampling device of claim 6, wherein the plastic hose is disposed at an angle.

8. The automatic sampling equipment of claim 1, wherein the material taking pipe is provided with a plurality of material taking holes.