Blanking insert tube device for cold hydrogenation fluidized bed reactor
By designing a cutting insertion pipe device for cold hydrogenated fluidized bed reactors, including connecting the main body, casing, pressure gauge and extension pipe, the leakage problem caused by the cutting pipe wear is solved, and timely early warning and safety accidents are achieved Avoid.
Patent Information
- Application Number
- CN202421246040.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-31
- Publication Date
- 2025-02-25
- Estimated Expiration
- 2034-05-31
AI Technical Summary
In cold hydrogenation systems, the continuous impact of silicon powder on the cutting pipe causes wear through, which may lead to leakage of high-temperature and high-pressure hydrogen and chlorosilane mixed gas, increasing the risk of safety accidents.
A cut-in pipe device for a cold hydrogenated fluidized bed reactor is designed, including a connecting body, a sleeve, a pressure gauge and an extension tube. The casing is distributed coaxially with the connecting body to form a closed chamber. The pressure gauge is used to monitor the pressure in the chamber and detect leakage in advance.
Can detect leakage in the discharge insertion pipe in a timely manner, warning in advance, ensure timely replacement, and avoid safety accidents. At the same time, the structure is simple and reliable, and it is wear-resistant and corrosion-resistant.
Smart Images
Figure CN222518535U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of fluidized bed reactors, in particular to a material feeding and inserting pipe device for a cold hydrogenation fluidized bed reactor. Background Art
[0002] In the cold hydrogenation system, silicon powder enters the fluidized bed reactor through a high-pressure hydrogen gas flow. During the process of entering the reactor, the high-speed flowing silicon powder continuously impacts the feed pipe for a long time, which can easily cause the feed pipe to be worn through, thereby causing leakage of a mixed gas of high-temperature and high-pressure hydrogen and chlorosilane, which can easily cause serious safety accidents. Utility Model Content
[0003] In view of this, the utility model provides a material feeding insertion tube device for a cold hydrogenation fluidized bed reactor, the main purpose of which is to timely detect leakage of the material feeding insertion tube and replace it in time to avoid safety accidents.
[0004] In order to achieve the above purpose, the utility model mainly provides the following technical solutions:
[0005] The embodiment of the utility model provides a feeding and inserting pipe device for a cold hydrogenation fluidized bed reactor, comprising: a connecting body, a sleeve, a pressure gauge and an extension pipe;
[0006] The connecting body is a circular tubular structure;
[0007] The sleeve is fixedly sleeved on the connection body and coaxially distributed with the connection body; a closed chamber is formed between the sleeve and the connection body;
[0008] The sleeve is provided with a connection port; the connection port is communicated with the closed chamber;
[0009] The pressure gauge is arranged on the connection port and is used to monitor the pressure in the closed chamber;
[0010] A flange structure 1 is provided at one end of the connection body; the flange structure 1 is coaxially distributed with the connection body;
[0011] The other end of the connecting body is provided with a second flange structure; the second flange structure is coaxially distributed with the connecting body;
[0012] One end of the extension tube is fixedly arranged at one end of the connection body; the extension tube is coaxially arranged with the connection body.
[0013] Furthermore, the pressure gauge is a remote pressure gauge.
[0014] Furthermore, the extension tube is integrally provided with the connection body.
[0015] Furthermore, the connecting body, the flange structure 1 and the flange structure 2 are integrally arranged.
[0016] Furthermore, the sleeve is made of N08810 material.
[0017] Furthermore, the inner diameter of the extension tube is the same as the inner diameter of the connection body.
[0018] By means of the above technical solution, the material feeding and inserting pipe device for a cold hydrogenation fluidized bed reactor of the utility model has at least the following advantages:
[0019] The leakage of the material discharging insert pipe can be discovered in time and replaced in time to avoid safety accidents.
[0020] The above description is only an overview of the technical solution of the utility model. In order to more clearly understand the technical means of the utility model and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiments of the utility model in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 A schematic diagram of a material feeding and inserting tube device for a cold hydrogenation fluidized bed reactor provided in an embodiment of the utility model.
[0022] As shown in the figure:
[0023] 1 is a connecting body, 2 is a sleeve, 3 is a pressure gauge, 4 is an extension pipe, 5 is a flange structure 1, 6 is a flange structure 2, and 7 is a closed chamber. DETAILED DESCRIPTION
[0024] In order to further explain the technical means and effects adopted by the utility model to achieve the predetermined utility model purpose, the specific implementation methods, structures, features and effects of the utility model application are described in detail below in conjunction with the accompanying drawings and preferred embodiments. In the following description, different "one embodiment" or "embodiment" does not necessarily refer to the same embodiment. In addition, specific features, structures, or characteristics in one or more embodiments may be combined in any suitable form.
[0025] like Figure 1As shown, an embodiment of the utility model proposes a feeding insertion tube device for a cold hydrogenation fluidized bed reactor, comprising: a connecting body 1, a sleeve 2, a pressure gauge 3 and an extension tube 4; the connecting body 1 is a circular tubular structure; the sleeve 2 is fixedly sleeved on the connecting body 1 and coaxially distributed with the connecting body 1; a closed chamber 7 is formed between the sleeve 2 and the connecting body 1; when a leak occurs at the connecting body 1, the sleeve 2 can form a second layer of protection; a connecting port is provided on the sleeve 2; the connecting port is connected to the closed chamber 7; the pressure gauge 3 is provided on the connecting port for monitoring the pressure in the closed chamber 7; when the connecting body 1 leaks, the gas will enter between the connecting body 1 and the sleeve 2, and the pressure gauge 3 will detect the pressure change. In this embodiment, preferably, the pressure gauge 3 is a remote pressure gauge 3 for remote monitoring.
[0026] A flange structure 15 is provided at one end of the connecting body 1; the flange structure 15 is coaxially distributed with the connecting body 1; the flange structure 15 is used to connect with the feeding equipment; a sealing ring is provided on the flange structure 15 to improve the sealing performance. A flange structure 26 is provided at the other end of the connecting body 1; the flange structure 26 is coaxially distributed with the connecting body 1; the flange structure 26 is used to connect with the feed port of the reactor. A sealing ring is provided on the flange structure 26 to improve its sealing performance. One end of the extension tube 4 is fixedly arranged at one end of the connecting body 1; the extension tube 4 is coaxially arranged with the connecting body 1. In this embodiment, preferably, the extension tube 4 is integrated with the connecting body 1 to make the structure reliable, wear-resistant and prolong the service life.
[0027] An embodiment of the utility model provides a feeding insertion tube device for a cold hydrogenation fluidized bed reactor, which can timely detect leakage of the feeding insertion tube, give early warning, and replace it in time to avoid safety accidents. Moreover, the structure is simple and reliable.
[0028] As a preferred embodiment of the above embodiment, the connecting body 1, the flange structure 1 5 and the flange structure 2 6 are integrated to make the structure reliable.
[0029] As a preferred embodiment of the above embodiment, the sleeve 2 is made of N08810 material, which is corrosion-resistant and high-temperature-resistant.
[0030] As a preference of the above embodiment, the inner diameter of the extension tube 4 is the same as the inner diameter of the connection body 1 so that the silicon powder can flow smoothly.
[0031] Further explanation, although the terms first, second, etc. can be used to describe various elements in this article, these terms should not limit these elements. These terms are only used to distinguish one element from another element. For example, the first element can be called the second element, and, similarly, the second element can be called the first element, and these terms are only used to distinguish one element from another element. This does not depart from the scope of exemplary embodiments. Similarly, element one and element two do not represent the order of elements, and these terms are only used to distinguish one element from another element. As used herein, the term "and / or" includes any combination and all combinations of one or more associated listed items.
[0032] In the description of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0033] The standard parts used in the utility model can all be purchased from the market, and special-shaped parts can be customized according to the instructions and the drawings. The specific connection methods of each part adopt the conventional means such as mature bolts, rivets, welding, etc. in the existing technology. The machinery, parts and equipment all adopt the conventional models in the existing technology, and the circuit connection adopts the conventional connection method in the existing technology, which will not be described in detail here.
[0034] The above is only a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Any simple modification, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention still fall within the scope of the technical solution of the present invention.
Claims
1. A feeding and inserting pipe device for a cold hydrogenation fluidized bed reactor, characterized in that: Including: connecting body, sleeve, pressure gauge and extension pipe; The connecting body is a circular tubular structure; The sleeve is fixedly sleeved on the connection body and coaxially distributed with the connection body; a closed chamber is formed between the sleeve and the connection body; The sleeve is provided with a connection port; the connection port is communicated with the closed chamber; The pressure gauge is arranged on the connection port and is used to monitor the pressure in the closed chamber; A flange structure 1 is provided at one end of the connection body; the flange structure 1 is coaxially distributed with the connection body; The other end of the connecting body is provided with a second flange structure; the second flange structure is coaxially distributed with the connecting body; One end of the extension tube is fixedly arranged at one end of the connection body; the extension tube is coaxially arranged with the connection body.
2. The feeding and inserting pipe device for a cold hydrogenation fluidized bed reactor according to claim 1, characterized in that: The pressure gauge is a remote pressure gauge.
3. The feeding and inserting pipe device for a cold hydrogenation fluidized bed reactor according to claim 1, characterized in that: The extension tube is integrally provided with the connection body.
4. The feeding and inserting pipe device for a cold hydrogenation fluidized bed reactor according to claim 1, characterized in that: The connecting body, the first flange structure and the second flange structure are integrally arranged.
5. The feeding and inserting pipe device for a cold hydrogenation fluidized bed reactor according to claim 1, characterized in that: The sleeve is made of N08810 material.
6. The feeding and inserting pipe device for a cold hydrogenation fluidized bed reactor according to claim 1, characterized in that: The inner diameter of the extension tube is the same as the inner diameter of the connection body.