CN218974089U - Viscometer sampling tube seat - Google Patents
Viscometer sampling tube seat Download PDFInfo
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- CN218974089U CN218974089U CN202223162916.6U CN202223162916U CN218974089U CN 218974089 U CN218974089 U CN 218974089U CN 202223162916 U CN202223162916 U CN 202223162916U CN 218974089 U CN218974089 U CN 218974089U
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Abstract
The utility model provides a sampling tube seat of a viscometer, which is used for sampling of a capillary viscometer and comprises a melt tube, a sampling stop valve and a heating medium tube, wherein the melt tube is connected to a main pipeline for conveying materials, the sampling stop valve and the sampling stop valve are arranged at different positions of the melt tube along the material flowing direction, and the sampling tube are respectively arranged on the sampling stop valve and the sampling stop valve; the inner tube of fuse-element pipe is used for supplying the material circulation, and the outer tube of fuse-element pipe is used for supplying the heat medium circulation, and the sampling stop valve is used for controlling the switch-on of the inner tube of sampling tube and the inner tube of fuse-element pipe, and the switch-on of the inner tube of return sample stop valve is used for controlling the switch-on of the outer tube of sampling tube and the inner tube of fuse-element pipe, and the both ends of the outer tube of sampling tube and the both ends of the outer tube of return sample pipe communicate the outer tube of fuse-element pipe and heat medium pipe respectively. The utility model eliminates the material standing section, thereby avoiding the pressure loss and the problem of material degradation and denaturation in the shutdown state.
Description
Technical Field
The utility model relates to the technical field of viscosity measurement, in particular to a sampling tube seat of a viscometer.
Background
Capillary viscometer refers to a viscosity measuring instrument with glass capillary (or metal capillary), and is widely applied in the polyester chemical fiber industry. At present, when a capillary viscometer is used for measuring materials with high temperature and high viscosity in the production of polyester chemical fibers, a viscometer sampling tube seat arranged on a main pipeline is required to be used for sampling.
The structure of a sampling tube seat of the conventional viscometer of the capillary viscometer is shown in fig. 1, and comprises a melt tube 1, a sampling tube 2, a sample return tube 3, a sampling stop valve 4, a sample return stop valve 5 and a heating medium tube 6, wherein the melt tube 1, the sampling tube 2 and the sample return tube 3 are jacket tubes, the melt tube 1 is connected to a main pipeline for conveying materials, an inner tube of the melt tube 1 is used for supplying the materials to circulate, an outer tube of the melt tube 1 is used for supplying the heating medium to circulate, and an inner tube of the sampling tube 2 and an inner tube of the sample return tube 3 are respectively used for communicating a sampling port and a sample return port of the capillary viscometer so as to send the taken materials back to the main pipeline after the viscosity measurement is finished. The sampling tube 2 and the sample return tube 3 are respectively welded on the main pipeline, the sampling stop valve 4 and the sample return stop valve 5 are respectively welded on the sampling tube 2 and the sample return tube 3, the sampling stop valve 4 is used for controlling the conduction of the inner tube of the sampling tube 2, and the sample return stop valve 5 is used for controlling the conduction of the inner tube of the sample return tube 3.
The viscometer sampling tube seat has the following problems in actual use:
1) The space arrangement has higher requirement on the installation height of the sampling tube seat of the viscometer, and the required installation space is larger;
2) The sampling stop valve is welded on the sampling tube 2, the material flows through the sampling stop valve 4 to have pressure loss, so that errors are caused between pressure measurement data and actual pressure, the pressure data is used as main data of viscosity sampling, and if the pressure loss is generated, the measurement accuracy is affected;
3) The viscometer sampling tube seat can only perform heat medium circulation, provides a heat preservation effect, has no heat medium discharge port, and cannot discharge heat medium if the temperature is suddenly reduced;
4) In the manufacturing process of the viscometer sampling tube seat, a plurality of groups of clamping tubes are required to be welded, including the welding of a valve and a pipeline, and the complex welding process generates higher labor cost;
5) When the machine is stopped, the materials above the valve and below the melt pipe 1 cannot be discharged, and the materials can be degraded when being placed in the pipe seat. In addition, the material will get into the trunk line after the reuse, influences the material quality that the trunk line circulated.
Disclosure of Invention
The utility model aims to provide a viscometer sampling tube seat, which at least solves one of the technical problems of the existing viscometer sampling tube seat.
In order to achieve the above purpose, the utility model provides a viscometer sampling tube seat, which comprises a melt tube, a sampling return tube, a sampling stop valve, a sampling return stop valve and a heating medium tube, wherein the melt tube is connected to a main pipeline for conveying materials, the sampling stop valve and the sampling return stop valve are arranged at different positions of the melt tube along the direction of material circulation, the sampling tube and the sampling return tube are respectively arranged on the two sampling stop valves and the sampling return stop valve, the melt tube, the sampling tube and the sampling return tube are jacket tubes, and the sampling stop valve and the sampling return stop valve are jacket stop valves;
the inner tube of fuse-element pipe is used for supplying the circulation of material, the outer tube of fuse-element pipe is used for supplying the heat medium circulation, the inner tube of sampling tube with the inner tube of return pipe is used for the intercommunication respectively the sampling mouth and the return sample mouth of capillary viscometer, the sample stop valve is used for controlling the inner tube of sampling tube with the switch-on of the inner tube of fuse-element pipe, the return sample stop valve is used for controlling the inner tube of return sample pipe with the switch-on of the inner tube of fuse-element pipe, the both ends of the outer tube of sampling tube and the both ends of the outer tube of return sample pipe communicate respectively the outer tube of fuse-element pipe with the heat medium pipe, the heat medium pipe can with the outer tube intercommunication of fuse-element pipe.
Optionally, the sampling stop valve is parallel to the return stop valve.
Optionally, the sampling stop valve and the return sample stop valve are vertically arranged below the melt pipe.
Optionally, the sampling stop valve and the return sample stop valve are obliquely arranged below the melt pipe at a preset angle.
Optionally, the hand wheel of the sampling stop valve and the hand wheel of the return sample stop valve are arranged in a staggered manner in the axial direction.
Optionally, the sampling port of the sampling stop valve is connected with the inner pipe of the melt pipe, and the sampling port of the sampling stop valve is positioned in the inner pipe of the melt pipe.
Optionally, a first connecting flange for communicating the melt pipe is arranged at the end part of the heat medium pipe.
Optionally, a flow valve is disposed on the heat medium pipe, and the flow valve is located between the first connection flange and the sampling pipe.
Optionally, a discharge valve is further arranged at the end part of the heating medium pipe.
Optionally, the end parts of the sampling tube and the sample return tube are respectively provided with a second connecting flange for communicating the sampling port and the sample return port of the capillary viscometer.
In the viscometer sampling tube seat provided by the utility model, at least one of the following beneficial effects is achieved:
1) By changing the original sampling stop valve and the original sample return stop valve into jacket stop valves and enabling the sampling stop valve and the sample return stop valve to be directly connected with the melt pipe, a material standing section is omitted, so that pressure loss is avoided, the measurement precision of the capillary viscometer is ensured, the problem of material degradation and denaturation in a shutdown state is avoided, and the product quality is ensured;
2) The sampling stop valve and the sample return stop valve are directly welded with the melt pipe, and the sampling pipe and the sample return pipe are also directly welded on the sampling stop valve and the sample return stop valve, so that the welding of a jacket pipe is reduced, and the labor cost and the welding difficulty are reduced;
3) The space positions of the sampling stop valve, the sample return stop valve, the sampling tube and the sample return tube are changed, so that the overall space utilization rate is improved;
4) The end part of the heating medium pipe is additionally provided with a discharge valve, and the discharge valve is used for discharging the heating medium, so that the rapid cooling of equipment is realized, and the operation safety is ensured.
Drawings
Those of ordinary skill in the art will appreciate that the figures are provided for a better understanding of the present utility model and do not constitute any limitation on the scope of the present utility model. Wherein:
FIG. 1 is a front view of a prior art viscometer sampling tube holder;
FIG. 2 is a side view of a prior art viscometer sampling tube holder;
FIG. 3 is a front view of a viscometer sampling tube holder according to one embodiment of the utility model;
FIG. 4 is a front view of a viscometer sampling tube holder provided in accordance with one embodiment of the utility model;
FIG. 5 is a side view of a viscometer sampling tube holder according to one embodiment of the utility model.
In the accompanying drawings:
1-a melt tube; 2-a sampling tube; 3-a sample collection tube; 4-sampling stop valve; 5-a sample return stop valve; 6-a heating medium pipe;
10-a melt tube; 20-sampling tube; 30-sampling tube; 40-sampling stop valve; 41-sampling port; 50-a sample return stop valve; 51-sample return; 60-heating medium pipe; 61-a flow-through valve; 62-a discharge valve; 70-a first connection flange; 80-a second connection flange.
Detailed Description
The utility model will be described in further detail with reference to the drawings and the specific embodiments thereof in order to make the objects, advantages and features of the utility model more apparent. It should be noted that the drawings are in a very simplified form and are all to a non-precise scale, merely for the purpose of facilitating and clearly aiding in the description of embodiments of the utility model. For a better understanding of the utility model with objects, features and advantages, refer to the drawings. It should be understood that the structures, proportions, sizes, etc. shown in the drawings are shown only in connection with the present disclosure for the understanding and reading of the present disclosure, and are not intended to limit the scope of the utility model, which is defined by the appended claims, and any structural modifications, proportional changes, or dimensional adjustments, which may be made by the present disclosure, should fall within the scope of the present disclosure under the same or similar circumstances as the effects and objectives attained by the present utility model.
As used in this disclosure, the singular forms "a," "an," and "the" include plural referents unless the content clearly dictates otherwise. As used in this disclosure, the term "or" is generally employed in its sense including "and/or" unless the content clearly dictates otherwise. As used in this disclosure, the term "plurality" is generally employed in its sense including "at least one" unless the content clearly dictates otherwise. As used in this disclosure, the term "at least two" is generally employed in its sense including "two or more", unless the content clearly dictates otherwise. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", "a third" may include one or at least two such features, either explicitly or implicitly.
In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "secured" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; the device can be mechanically connected or in communication; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1-3, fig. 1 is a front view of a viscometer sampling tube base according to an embodiment of the utility model; FIG. 2 is a front view of a viscometer sampling tube holder according to one embodiment of the utility model; FIG. 3 is a side view of a viscometer sampling tube holder according to one embodiment of the utility model. The embodiment provides a sampling tube seat of a viscometer, which is used for sampling of a capillary viscometer and comprises a melt tube 10, a sampling tube 20, a sampling tube 30, a sampling stop valve 40, a sampling stop valve 50 and a heating medium tube 60, wherein the melt tube 10 is connected to a main pipeline for conveying materials, the sampling stop valve 40 and the sampling stop valve 50 are arranged at different positions of the melt tube 10 along the direction of material flow, the sampling tube 20 and the sampling tube 30 are respectively arranged on the sampling stop valve 40 and the sampling stop valve 50, the melt tube 10, the sampling tube 20 and the sampling tube 30 are jacket tubes, and the sampling stop valve 40 and the sampling stop valve 50 are jacket stop valves;
the inner tube of the melt pipe 10 is used for supplying the material to circulate, the outer tube of the melt pipe 10 is used for supplying the heat medium to circulate, the inner tube of the sampling pipe 20 and the inner tube of the return pipe 30 are respectively used for being communicated with a sampling port and a return port of the capillary viscometer, the sampling stop valve 40 is used for controlling the conduction between the inner tube of the sampling pipe 20 and the inner tube of the melt pipe 10, the return stop valve 50 is used for controlling the conduction between the inner tube of the return pipe 30 and the inner tube of the melt pipe 10, two ends of the outer tube of the sampling pipe 20 and two ends of the outer tube of the return pipe 30 are respectively communicated with the outer tube of the melt pipe 10 and the heat medium pipe 60, and the heat medium pipe 60 can be communicated with the outer tube of the melt pipe 10.
Specifically, the melt pipe 10 may be connected to a main pipe for conveying materials in a welding manner, an inner pipe of the melt pipe 10 is used for circulating the materials, and an outer pipe of the melt pipe 10 is used for circulating a heating medium.
The sampling stop valve 40 and the sample return stop valve 50 are installed at different positions of the melt pipe 10 along the direction of material flow, the sampling stop valve 40 is used for controlling the conduction between the inner pipe of the sampling pipe 20 and the inner pipe of the melt pipe 10, and the sample return stop valve 50 is used for controlling the conduction between the inner pipe of the sample return pipe 30 and the inner pipe of the melt pipe 10. It can be understood that the sampling stop valve 40 and the sample return stop valve 50 are jacket stop valves, the sampling stop valve 40 and the sample return stop valve 50 should have an inner cavity through which the materials circulate and an outer cavity through which the heating medium circulates, and the opening and closing members in the sampling stop valve 40 and the sample return stop valve 50 are mainly used for controlling the opening and closing of the inner cavity, the outer cavity is not affected, and then the material sampling and sample return on and off are realized.
That is, when the opening and closing member in the sampling stop valve 40 is controlled by the hand wheel to open the inner cavity, the material in the inner tube of the melt tube 10 can enter the inner tube of the sampling tube 20 through the inner cavity of the sampling stop valve 40; when the hand wheel is used for controlling the opening and closing piece in the sampling stop valve 40 to seal the inner cavity, the material in the inner tube of the melt tube 10 cannot enter the inner tube of the sampling tube 20 through the inner cavity of the sampling stop valve 40. Similarly, when the opening and closing member in the sample return stop valve 50 is controlled by the hand wheel to open the inner cavity, the material in the inner pipe of the sample return pipe 30 can return to the inner pipe of the melt pipe 10 through the inner cavity of the sample return stop valve 50; when the hand wheel is used for controlling the opening and closing piece in the return sample stop valve 50 to seal the inner cavity, the material in the inner pipe of the return sample pipe 30 cannot return to the inner pipe of the melt pipe 10 through the inner cavity of the return sample stop valve 50.
By changing the original sampling stop valve 40 and the sample return stop valve 50 into jacket stop valves and enabling the sampling stop valve 40 and the sample return stop valve 50 to be directly connected with the melt pipe 10, the material standing section is omitted, the pressure loss is avoided, the measurement accuracy of the capillary viscometer is ensured, the problem of material degradation and denaturation in a shutdown state is avoided, and the product quality is ensured.
Preferably, the sampling stop valve 40 and the sample return stop valve 50 are directly welded to the melt pipe 10, and the sampling pipe 20 and the sample return pipe 30 are also directly welded to the sampling stop valve 40 and the sample return stop valve 50, so that welding of a jacket pipe is reduced, and labor cost and welding difficulty are reduced. In addition, the spatial positions of the sampling stop valve 40, the return stop valve 50, the sampling tube 20 and the return tube 30 are changed, so that the overall space utilization is improved.
In this embodiment, the sampling stop valve 40 is disposed parallel to the return stop valve 50.
Optionally, the sampling stop valve 40 and the return stop valve 50 are vertically disposed below the melt pipe 10. Alternatively, the sampling stop valve 40 and the return stop valve 50 are disposed obliquely below the melt pipe 10 at a predetermined angle, and the predetermined angle may be adjusted according to the installation space, which is not limited in this application.
Preferably, the hand wheel of the sampling stop valve 40 and the hand wheel of the return stop valve 50 are arranged in a staggered manner in the axial direction. The axial direction is understood to be the axial direction of the sampling cutoff valve 40, and is also understood to be the direction of movement of the opening and closing member in the sampling cutoff valve 40. The hand wheel of the sampling stop valve 40 and the hand wheel of the sample return stop valve 50 are prevented from interfering with each other in a dislocation distribution mode, and meanwhile, the sampling stop valve 40 and the sample return stop valve 50 are conveniently distinguished.
Preferably, the sampling port 41 of the sampling stop valve 40 is connected with the inner tube of the melt tube 10, and the sampling port 51 of the sampling stop valve 50 is located in the inner tube of the melt tube 10. The purpose of the sampling stop valve 40 is to take the material, so that the material only needs to be communicated with the inner pipe, and the material returning stop valve 50 needs to return the material, so that the material returning port 51 of the material returning stop valve 50 is positioned in the inner pipe of the melt pipe 10, so that the material returns from the material returning stop valve 50 to the inner pipe of the melt pipe 10.
In this embodiment, the end of the heat medium pipe 60 is provided with a first connection flange 70 for communicating with the melt pipe 10, where the first connection flange 70 may be connected to a heat medium circulation pipe in a flange connection manner, and is communicated with the outer pipe of the melt pipe 10 or the outer pipe of the main pipe through the heat medium circulation pipe, so as to form circulation of the heat medium, and ensure that the material is in a molten state.
Preferably, a flow valve 61 is disposed on the heat medium pipe 60, the flow valve 61 is located between the first connection flange 70 and the sampling pipe 20, and the flow valve 61 is used for controlling on-off of the heat medium pipe 60.
Preferably, the end of the heat medium pipe 60 is further provided with a discharge valve 62, and the discharge valve 62 can be opened only when the flow valve 61 is closed, so as to remove the heat medium, thereby realizing rapid cooling of the equipment and ensuring the operation safety.
In this embodiment, the end portions of the sampling tube 20 and the sample return tube 30 are respectively provided with a second connection flange 80 for communicating the sampling port and the sample return port of the capillary viscometer. The materials in the main pipeline sequentially flow to the sampling port of the capillary viscometer through the melt pipe 10, the sampling stop valve 40 and the sampling pipe 20, and then return to the main pipeline through the sample return port of the capillary viscometer, the sample return pipe 30, the sample return stop valve 50 and the melt pipe 10 after viscosity testing is completed.
In summary, the embodiment of the utility model provides a sampling tube seat of a viscometer, which is characterized in that an original sampling stop valve 40 and a sampling return stop valve 50 are changed into jacket stop valves, and the sampling stop valve 40 and the sampling return stop valve 50 are directly connected with a melt tube 10, so that a material standing section is omitted, the pressure loss is avoided, the measurement precision of the capillary viscometer is ensured, the problem of material degradation and denaturation in a shutdown state is avoided, and the product quality is ensured.
The above description is only illustrative of the preferred embodiments of the present utility model and is not intended to limit the scope of the present utility model, and any alterations and modifications made by those skilled in the art based on the above disclosure shall fall within the scope of the present utility model. It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, the present utility model is intended to include such modifications and alterations insofar as they come within the scope of the utility model or the equivalents thereof.
Claims (10)
1. The sampling tube seat of the viscometer is used for sampling of a capillary viscometer and is characterized by comprising a melt tube, a sampling return tube, a sampling stop valve, a sampling return stop valve and a heating medium tube, wherein the melt tube is connected to a main pipeline for conveying materials, the sampling stop valve and the sampling return stop valve are arranged at different positions of the melt tube along the material flowing direction, the sampling tube and the sampling return tube are respectively arranged on the sampling stop valve and the sampling return stop valve, the melt tube, the sampling tube and the sampling return tube are jacket tubes, and the sampling stop valve and the sampling return stop valve are jacket stop valves;
the inner tube of fuse-element pipe is used for supplying the circulation of material, the outer tube of fuse-element pipe is used for supplying the heat medium circulation, the inner tube of sampling tube with the inner tube of return pipe is used for the intercommunication respectively the sampling mouth and the return sample mouth of capillary viscometer, the sample stop valve is used for controlling the inner tube of sampling tube with the switch-on of the inner tube of fuse-element pipe, the return sample stop valve is used for controlling the inner tube of return sample pipe with the switch-on of the inner tube of fuse-element pipe, the both ends of the outer tube of sampling tube and the both ends of the outer tube of return sample pipe communicate respectively the outer tube of fuse-element pipe with the heat medium pipe, the heat medium pipe can with the outer tube intercommunication of fuse-element pipe.
2. The viscometer sampling tube holder of claim 1, wherein the sampling shut-off valve is disposed in parallel with the return shut-off valve.
3. The viscometer sampling tube holder of claim 1 or 2, wherein the sampling shut-off valve and the return shut-off valve are disposed vertically below the melt tube.
4. The viscometer sampling tube holder according to claim 1 or 2, wherein the sampling stop valve and the return stop valve are obliquely arranged below the melt tube at a preset angle.
5. The viscometer sampling tube seat according to claim 2, wherein the hand wheel of the sampling stop valve and the hand wheel of the return stop valve are arranged in a staggered manner in the axial direction.
6. The viscometer sampling tube holder of claim 1, wherein the sampling port of the sampling shut-off valve is connected to the inner tube of the melt tube, and the return port of the return shut-off valve is located within the inner tube of the melt tube.
7. The viscometer sampling tube holder of claim 1, wherein an end of the heat medium tube is provided with a first connection flange for communicating with the melt tube.
8. The viscometer sampling tube holder of claim 7, wherein a flow valve is disposed on the heat medium tube, the flow valve being located between the first connection flange and the sampling tube.
9. The viscometer sampling tube holder of claim 8, wherein the end of the heating medium tube is further provided with a drain valve.
10. The viscometer sampling tube holder of claim 1, wherein the ends of the sampling tube and the return tube are respectively provided with a second connecting flange for communicating a sampling port and a return port of the capillary viscometer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223162916.6U CN218974089U (en) | 2022-11-28 | 2022-11-28 | Viscometer sampling tube seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223162916.6U CN218974089U (en) | 2022-11-28 | 2022-11-28 | Viscometer sampling tube seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218974089U true CN218974089U (en) | 2023-05-05 |
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ID=86162374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223162916.6U Active CN218974089U (en) | 2022-11-28 | 2022-11-28 | Viscometer sampling tube seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218974089U (en) |
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2022
- 2022-11-28 CN CN202223162916.6U patent/CN218974089U/en active Active
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