Search

CN-224231359-U - Online sampling structure

CN224231359UCN 224231359 UCN224231359 UCN 224231359UCN-224231359-U

Abstract

The utility model particularly relates to an online sampling structure which comprises a sampling pipeline connected to a cylinder body, wherein the sampling pipeline is provided with a central hole cavity communicated with the inside of the cylinder body, a sampling bottle connected with the central hole cavity is arranged on the sampling pipeline, a driving piece and a sampling piece are further arranged in the cylinder body, a sampling groove is radially formed in a position on the circumference of the sampling piece, the driving piece is connected with the sampling piece and drives the sampling piece to axially move along the sampling pipeline and rotate around the center of the sampling piece, and the sampling piece is provided with a first position at least part of the sampling groove is located outside the sampling pipeline and faces to the blanking direction and a second position located in the sampling pipeline and opposite to the inlet position of the sampling bottle. The material is quantitatively measured through the sampling groove, the quality of single sampling can be accurately controlled, the sampling cost is reduced, and the material residue in the pipeline can be effectively controlled.

Inventors

  • PAN PENGCHENG
  • LIAN PENGSHENG
  • HU BIN

Assignees

  • 浙江迦南科技股份有限公司

Dates

Publication Date
20260512
Application Date
20250530

Claims (10)

  1. 1. The utility model provides an on-line sampling structure, includes sample pipeline (1) of connecting on the cylinder body, sample pipeline (1) have with the inside central bore (11) of intercommunication of cylinder body, be provided with on sample pipeline (1) sample bottle (2) of connecting central bore (11), its characterized in that: a driving piece (3) and a sampling piece (4) are also arranged in the sampling pipeline (1), a sampling groove (41) is radially arranged at a position on the circumference of the sampling piece (4), The driving piece (3) is connected with the sampling piece (4) and drives the sampling piece (4) to axially move along the sampling pipeline (1) and rotate around the center of the sampling piece, so that the sampling piece (4) is provided with a first position, at least part of sampling grooves (41) are positioned outside the sampling pipeline (1) and face the blanking direction, and a second position, at which the sampling grooves (41) are positioned in the sampling pipeline (1) and are opposite to the inlet position of the sampling bottle (2).
  2. 2. An in-line sampling structure according to claim 1, characterized in that the outer periphery of the sampling element (4) is adapted to the shape of the inner periphery of the sampling tube (1) and forms a sealing fit.
  3. 3. An on-line sampling structure according to claim 1, wherein the central bore (11) comprises a first hole portion (111) and a second hole portion (112) which are connected in a direction from the cylinder to the cylinder, the diameter of the first hole portion (111) is larger than that of the second hole portion (112) and a first limiting step (113) is formed between the first hole portion and the second hole portion, and when the sampling member (4) is located at the second position, the sampling member (4) is abutted against the first limiting step (113).
  4. 4. An in-line sampling structure according to claim 3, wherein the end of the sampling member (4) adjacent to the cylinder is flush with the port of the sampling pipe (1) adjacent to the cylinder when the sampling member (4) is in the second position.
  5. 5. An on-line sampling structure according to claim 1, wherein the driving member (3) is coaxially disposed with the sampling member (4), one end of which is fixedly connected with the sampling member (4), and the other end of which is fixedly provided with a rotation handle (5).
  6. 6. An in-line sampling structure according to claim 5, wherein the rotation knob (5) and the sampling slot (41) are oriented at the same mapping position in the radial direction.
  7. 7. The on-line sampling structure according to claim 1, wherein a limiting sleeve (6) is fixed on the inner periphery of the sampling pipeline (1), the limiting sleeve (6) is provided with a limiting hole channel (61) which is matched with the shape of the driving piece (3) and forms sliding fit with the driving piece, and one end of the driving piece (3) penetrates through the limiting hole channel (61) to be connected with the sampling piece (4).
  8. 8. An in-line sampling structure according to claim 7, wherein the driving member (3) comprises a driving rod portion (31) and a connecting portion (32) coaxially arranged and connected in a direction from the cylinder to the cylinder, The limiting hole channel (61) comprises a first limiting hole part (611) which is matched with the driving rod part (31) in shape and forms sliding fit, and a second limiting hole part (612) which is matched with the connecting part (32) in shape and forms sliding fit, the diameter of the first limiting hole part (611) is smaller than that of the second limiting hole part (612) and forms a second limiting step (613) with the second limiting hole part, and when the sampling piece (4) is positioned at the first position, the connecting part (32) is abutted against the second limiting step (613); A first spring (33) sleeved outside the driving rod part (31) is connected between the second limiting step (613) and the connecting part (32), and the driving piece (3) compresses the first spring (33) to drive the sampling piece (4) to move to a first position along the axial direction of the sampling pipeline (1) and move the sampling piece (4) to a second position under the reset force of the first spring (33).
  9. 9. The on-line sampling structure according to claim 8, wherein the connecting portion (32) has a connecting groove (321) having a diameter larger than that of the driving rod portion (31) at one end thereof adjacent to the driving rod portion (31), the driving rod portion (31) is inserted into the bottom of the connecting groove (321) and fixed thereto, One end of the first spring (33) is located in the connecting groove (321), and the connecting groove (321) forms radial limit for the first spring (33).
  10. 10. The on-line sampling structure according to claim 7, wherein the sampling member (4) is abutted against the stop collar (6) when the sampling member (4) is located at the second position.

Description

Online sampling structure Technical Field The utility model relates to the technical field of fluidized beds, in particular to an online sampling structure. Background On the fluidized bed in the current market, the inner material cylinder needs to be sampled in the fluidized bed processing process. An automatic sampler disclosed in the patent No. CN216594339U is a sampler commonly used in the current industry, and by manually pressing a piston rod of the sampler, a gap between a plug of the piston rod and the inside of a cylinder body is enlarged, so that materials fall into a sleeve rod, and finally fall into a sampling bottle to realize online sampling. However, the quality of the sampler with the structure for single sampling cannot be controlled, and the sampling bottle and the sleeve are plugged each time, so that the sampling cost for some precious materials is too high, and the residual materials in the pipeline are easy to leak to the outside. Disclosure of utility model The utility model aims to overcome the defects and shortcomings in the prior art and provides an online sampling structure. The technical proposal adopted by the utility model is that the on-line sampling structure comprises a sampling pipeline connected to a cylinder body, the sampling pipeline is provided with a central hole cavity communicated with the inside of the cylinder body, the sampling pipeline is provided with a sampling bottle connected with the central hole cavity, The sampling pipeline is also internally provided with a driving piece and a sampling piece, a sampling groove is radially arranged at a position on the circumference of the sampling piece, The driving piece is connected with the sampling piece and drives the sampling piece to axially move along the sampling pipeline and rotate around the center of the sampling piece, so that the sampling piece is provided with a first position, at least part of sampling grooves are positioned outside the sampling pipeline and face the blanking direction, and a second position, positioned in the sampling pipeline, of the sampling grooves and opposite to the inlet position of the sampling bottle. Preferably, the outer periphery of the sampling member is adapted to form a sealing fit with the inner periphery of the sampling tube. Preferably, the central hole cavity comprises a first hole part and a second hole part which are connected along the direction from the cylinder body to the cylinder body, the diameter of the first hole part is larger than that of the second hole part, a first limiting step is formed between the first hole part and the second hole part, and when the sampling piece is positioned at the second position, the sampling piece is abutted with the first limiting step. Preferably, when the sampling member is located at the second position, one end of the sampling member, which is close to the cylinder, is flush with the port of the sampling pipe, which is close to the cylinder. Preferably, the driving piece and the sampling piece are coaxially arranged, one end of the driving piece is fixedly connected with the sampling piece, and the other end of the driving piece is fixedly provided with a rotating handle. Preferably, the rotation will be the same as the mapping position of the sampling slot opening in the radial direction. Preferably, the inner periphery of the sampling pipeline is fixed with a limiting sleeve, the limiting sleeve is provided with a limiting hole channel which is matched with the shape of the driving piece and forms sliding fit with the driving piece, and one end of the driving piece passes through the limiting hole channel to be connected with the sampling piece. Preferably, the driving member comprises a driving rod part and a connecting part which are coaxially arranged and connected along the direction from the cylinder body to the direction from the cylinder body, The limiting pore canal comprises a first limiting hole part which is matched with the shape of the driving rod part and forms sliding fit and a second limiting hole part which is matched with the shape of the connecting part and forms sliding fit, the diameter of the first limiting hole part is smaller than that of the second limiting hole part and forms a second limiting step with the second limiting hole part, and when the sampling piece is positioned at the first position, the connecting part is abutted with the second limiting step; The first spring sleeved outside the driving rod part is connected between the second limiting step and the connecting part, and the driving piece compresses the first spring to drive the sampling piece to axially move to a first position along the sampling pipeline and move to a second position under the reset force of the first spring. Preferably, one end of the connecting part close to the driving rod part is provided with a connecting groove with the diameter larger than that of the driving rod part, the driving rod part penetrates to th