CN212338494U

CN212338494U - Reactor, reaction tube unit, pipe joint, end cover and assembly thereof

Info

Publication number: CN212338494U
Application number: CN202020540018.1U
Authority: CN
Inventors: 杨玉宇
Original assignee: Huzhou Juwei Engineering Technology Co ltd
Current assignee: Huzhou Juwei Engineering Technology Co ltd
Priority date: 2020-04-13
Filing date: 2020-04-13
Publication date: 2021-01-12
Anticipated expiration: 2030-04-13

Abstract

The utility model discloses a reactor, a reaction tube unit, a tube joint, an end cover and components thereof, wherein the tube joint comprises a joint outer tube and a joint inner tube, the joint outer tube and the joint inner tube respectively comprise a tube orifice, the joint inner tube is arranged in the tube cavity of the joint outer tube, the tube orifice end of the joint inner tube is arranged in the tube orifice of the joint outer tube, the inner side of the joint inner pipe is provided with a joint inner pipe cavity and a joint inner pipe opening of the pipe joint, an outer joint pipe cavity and an outer joint pipe opening of the pipe joint are formed between the joint inner pipe and the joint outer pipe, the pipe joint further comprises an installation pipe, the installation pipe penetrates through the joint outer pipe, the installation pipe comprises an outer pipe opening exposed outside the joint outer pipe and an inner pipe opening located inside the joint outer pipe, the inner pipe opening end of the installation pipe is connected with the joint inner pipe, the pipe cavity of the installation pipe is communicated with the pipe cavity of the joint inner pipe, and the outer pipe opening of the installation pipe is used for inserting a temperature measuring element into the. The temperature measuring element can be inserted into the reaction inner tube cavity, so that the temperature of the raw materials in the reaction environment can be monitored in real time, and the monitored temperature value is accurate and reliable.

Description

Reactor, reaction tube unit, pipe joint, end cover and assembly thereof

Technical Field

The utility model relates to a chemical industry equipment accessories, especially a reactor, reaction tube unit, coupling, end cover and subassembly.

Background

The tubular reactor has simple structure, short material retention time and continuous reaction and is applied to many occasions. The main process is that according to the material proportion, the raw materials are pumped into a reaction tube by different pumps for reaction, and the reactor is always required to be heated or cooled according to the reaction conditions. To meet this requirement, the prior art adopts the method of directly welding the reaction tube in the jacket tube.

The reaction process needs to set temperature monitoring points for monitoring in stages, in the prior art, a plurality of reaction tubes are arranged, thermometers are arranged before and after the input of each reaction tube for measuring, that is, raw materials need to be output from the reaction tubes for measuring the temperature, and then the raw materials are input into the reaction tubes for continuous reaction. When the thermometer is used for measuring, the raw materials are not in a normal reaction environment, and the accuracy of the measurement result is influenced.

Disclosure of Invention

The utility model aims to solve the problem that a coupling is provided, the temperature of the raw materials that supplies the temperature element to detect in the reaction process ensures temperature measurement's accuracy and reliability.

In order to solve the technical problem, the utility model discloses a following technical scheme: the utility model provides a pipe joint, the pipe joint includes joint outer tube and joint inner tube, joint outer tube and joint inner tube include the mouth of pipe respectively, the pipe cavity that the joint outer tube was located to the joint inner tube and the nose end of joint inner tube are located in the mouth of pipe of joint outer tube, joint inner tube inboard is formed with the joint inner tube chamber and the joint inner tube mouth of pipe joint, be formed with the joint outer tube chamber and the joint outer tube mouth of pipe joint between joint inner tube and the joint outer tube, the pipe joint still includes the installation pipe, the installation pipe runs through and locates the joint outer tube, the installation pipe is including opening the outer mouth of pipe in the joint outer tube outside and being located the inboard interior mouth of joint outer tube, the interior mouth of pipe end and the joint inner tube coupling of installation pipe and the pipe cavity intercommunication of joint inner tube, the outer mouth of installation pipe supplies temperature measuring element cartridge.

In an improvement, the pipe joint comprises at least one of the following structures:

the mounting pipe is detachably connected with the temperature measuring element in a sealing manner, the mounting pipe is provided with internal threads, and the mounting pipe is connected with the temperature measuring element in a threaded manner;

the mounting pipe is detachably and hermetically connected with the joint outer pipe, a first limiting part is arranged at the inner end of the mounting pipe, an external thread is arranged at the outer end of the mounting pipe, the mounting pipe is in external thread connection with a first fastening nut, the first fastening nut is matched with the first limiting part to fasten the mounting pipe to the joint outer pipe, the mounting pipe and the joint outer pipe are sealed through a sealing ring, and the sealing ring is sleeved on the periphery of the inner end of the mounting pipe and tightly pressed between the first limiting part and the joint outer pipe;

the joint outer pipe is provided with an outer interface communicated with the cavity of the joint outer pipe.

The improved connector is characterized in that the pipe orifice end of the connector outer pipe and the pipe orifice end of the connector inner pipe are respectively provided with a connecting part, and the connecting parts of the connector outer pipe and the connector inner pipe are respectively used for being detachably and hermetically connected with an external assembly.

In an improved mode, the connecting part of the joint outer pipe is detachably connected with the external assembly in a sealing mode through a hoop, the connecting part of the joint outer pipe comprises a chuck matched with the hoop, and the chuck of the joint outer pipe is provided with a sealing groove; and/or, the connecting portion that connects the inner tube connect with outside subassembly detachably sealing connection through first cutting ferrule, first cutting ferrule connects including first joint body, first cutting ferrule and first lock nut, first joint body and first lock nut threaded connection, first cutting ferrule is located between first joint body and the first lock nut and the tip conical surface cooperation of the tip of first cutting ferrule and first joint body, the connecting portion that connects the inner tube include first cutting ferrule and connect, the nose end that connects the inner tube is located to first joint body, first joint body is equipped with the first mounting hole that communicates with joint inner tube chamber, first mounting hole is used for cartridge outside subassembly.

The improved external assembly comprises a reaction tube unit, the reaction tube unit comprises a unit outer tube and a unit inner tube, the unit inner tube is arranged in a tube cavity of the unit outer tube, a unit inner tube cavity is formed on the inner side of the unit inner tube, a unit outer tube cavity is formed between the unit inner tube and the unit outer tube, a connecting part of the joint outer tube is detachably and hermetically connected with the unit outer tube, a connecting part of the joint inner tube is detachably and hermetically connected with the unit inner tube, the joint outer tube cavity is communicated with the unit outer tube cavity, and the joint inner tube cavity is communicated with the unit inner tube cavity; or, the external component includes end cover and business turn over pipe, the connecting portion and the end cover detachably sealing connection of joint outer tube, the connecting portion and the business turn over pipe detachably sealing connection of joint inner tube, one of joint inner tube and business turn over pipe runs through in the end cover, end cover seal cover connects outer mouth of pipe and connects in the lumen intercommunication of lumen and business turn over pipe.

After the technical scheme is adopted, the utility model has the advantages of as follows: the pipe joint is connected with the reaction pipe unit to form a reaction pipe of the reactor, the joint outer pipe is connected with the unit outer pipe to form a reaction outer pipe of the reactor, the joint inner pipe is connected with the unit inner pipe to form a reaction inner pipe of the reactor, the joint outer pipe cavity is communicated with the unit outer pipe cavity to form a reaction outer pipe cavity of the reactor, the joint inner pipe cavity is communicated with the unit inner pipe cavity to form a reaction inner pipe cavity of the reactor, the temperature measuring element is installed on the installation pipe of the pipe joint, the temperature of raw materials in the reaction inner pipe cavity under a reaction environment can be monitored, and the monitored temperature value is accurate and reliable.

This embodiment still provides an end cover, the end cover includes the lid, the lid is equipped with connecting portion, the connecting portion of lid be used for with external component sealing connection, the lid is equipped with the second mounting hole, the second mounting hole is used for wearing to establish external component, the lid with wear to locate the external component detachably sealing connection of second mounting hole.

In an improvement, the end cap includes at least one of the following:

the connecting part of the cover body is used for being detachably and hermetically connected with an external assembly, the connecting part of the end cover is detachably and hermetically connected with the external assembly through a hoop, the connecting part of the end cover comprises a chuck matched with the hoop, and the chuck of the end cover is provided with a sealing groove;

the lid is equipped with the second cutting ferrule and connects, the second cutting ferrule connects including the second connects the body, second cutting ferrule and second lock nut, the second connects the body and second lock nut threaded connection, the second cutting ferrule is located between the second connects the body and the second lock nut and the tip conical surface cooperation of the tip of second cutting ferrule and second joint body, the lid is located to the second joint body, the second connects the body, the second joint body is located to the second mounting hole.

After the technical scheme is adopted, the utility model has the advantages of as follows: the end cover is connected with the reaction tube to form a reactor, the connecting part of the cover body is connected with the reaction outer tube, the reaction inner tube penetrates through the second mounting hole and is in sealing connection with the cover body, or the external inlet and outlet tube is arranged in the second mounting hole and is in sealing connection with the cover body, on one hand, the cover body seals and covers the reaction outer tube opening, and on the other hand, the reaction inner tube can be communicated with the external inlet and outlet tube to allow the raw materials in the reaction inner tube cavity to enter and exit.

This embodiment still provides an end cover subassembly, coupling and end cover among the above-mentioned arbitrary technical scheme, the connecting portion of lid and the nose end detachably sealing connection who connects the outer tube, the second mounting hole is used for wearing to establish business turn over pipe and business turn over pipe respectively with the lid, connect the nose end detachably sealing connection of inner tube, perhaps, connect the inner tube to wear to locate the second mounting hole and with lid detachably sealing connection.

After the technical scheme is adopted, the utility model has the advantages of as follows: the end cover assembly is connected with the reaction tube unit to form the reactor, the tube joint is connected between the end cover and the reaction unit, the temperature measuring element is installed on the installation tube of the tube joint, the temperature of the raw materials in the reaction inner cavity under the initial reaction environment or the end reaction environment can be monitored, and the monitored temperature value is accurate and reliable.

This embodiment still provides a reaction tube unit, including unit outer tube and unit inner tube, unit outer tube and unit inner tube include the mouth of pipe respectively, the unit inner tube is located the lumen of unit outer tube and the nose end of unit inner tube is located in the mouth of pipe of unit outer tube, the inboard of unit inner tube is formed with the interior lumen of unit and the interior nose of unit of reaction tube unit, be formed with the outer lumen of unit and the outer mouth of pipe of reaction tube unit between unit inner tube and the unit outer tube, the reaction tube unit include above-mentioned arbitrary technical scheme the coupling, unit outer tube and joint outer tube integrated into one piece, the nose end and the unit inner tube detachably sealing connection of joint inner tube, the outer lumen of unit and the outer lumen of joint intercommunication, the lumen of unit and the interior lumen of joint intercommunication.

This embodiment still provides a reactor, including the reaction tube unit, the reaction tube unit includes unit outer tube and unit inner tube, unit outer tube and unit inner tube include the mouth of pipe respectively, the unit inner tube is located the mouth of pipe of the lumen of unit outer tube and the nose of unit inner tube and is located the mouth of pipe of unit outer tube, the inboard of unit inner tube is formed with lumen and unit interior nose in the unit of reaction tube unit, be formed with the outer lumen of unit and the outer mouth of pipe of unit of reaction tube unit between unit inner tube and the unit outer tube, the reactor includes one of following structure at least:

the reactor comprises the pipe joint in any technical scheme, the pipe orifice end of the unit outer pipe is connected with the pipe orifice end of the joint outer pipe in a sealing manner, the pipe orifice end of the unit inner pipe is connected with the pipe orifice end of the joint inner pipe in a sealing manner, the unit outer pipe cavity is communicated with the joint outer pipe cavity, and the unit inner pipe cavity is communicated with the joint inner pipe cavity;

the reactor comprises an end cover in any one of the technical schemes, the connecting part of the cover body is detachably and hermetically connected with the unit outer tube, the second mounting hole is used for penetrating the unit inner tube or the inlet and outlet tube, and the cover body is detachably and hermetically connected with the unit inner tube or the inlet and outlet tube penetrating the second mounting hole;

the reactor comprises an end cover assembly in any one technical scheme, the pipe orifice end of the unit outer pipe is connected with the pipe orifice end of the joint outer pipe in a sealing manner, the pipe orifice end of the unit inner pipe is connected with the pipe orifice end of the joint inner pipe in a sealing manner, the unit outer pipe cavity is communicated with the joint outer pipe cavity, and the unit inner pipe cavity is communicated with the joint inner pipe cavity;

the reactor comprises the reaction tube unit in any one of the technical schemes.

After the technical scheme is adopted, the utility model has the advantages of as follows: the reactor is provided with the temperature measuring element through the pipe joint, so that the temperature measuring element is inserted into the reaction inner pipe cavity, the temperature of the raw materials in the reaction environment is monitored in real time, and the monitored temperature value is accurate and reliable.

Drawings

The following description of the embodiments of the present invention will be made with reference to the accompanying drawings:

FIG. 1 is a schematic structural view of a reactor according to the present invention;

FIG. 2 is a schematic structural view of the reaction tube unit of FIG. 1;

FIG. 3 is a schematic structural view of a pipe joint of FIG. 1;

FIG. 4 is a schematic view of another alternative fitting of FIG. 1;

FIG. 5 is a schematic structural view of the end cap of FIG. 1;

FIG. 6 is a schematic structural view of another embodiment of a pipe joint;

FIG. 7 is a schematic structural view of another embodiment of a reaction tube unit;

FIG. 8 is a schematic diagram of the structure of one embodiment of the reactor.

The reaction tube unit 10, the unit outer tube 101, the unit inner tube 102, the unit inner tube port 104, the unit outer tube cavity 105, the unit outer tube port 106, the tube joint 20, the joint outer tube 201, the joint inner tube 202, the joint inner tube cavity 203, the joint inner tube port 204, the joint outer tube cavity 205, the joint outer tube port 206, the mounting tube 207, the outer tube port 2071, the limiting part 2072, the fastening nut 2073, the sealing ring 2074, the outer port 208, the outer tube 2081, the end cap 30, the cover body 300, the second mounting hole 301, the second ferrule adapter 302, the second adapter body 3021, the second locking nut 3023, the chuck 401, the sealing groove 402, the first ferrule adapter 50, the first adapter body 501, the first locking nut 503, the first mounting hole 504, the first limiting surface 505, the inlet and outlet tube 70

Detailed Description

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

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may be present, and in particular, when an element is referred to as being "fixedly connected" to another element, the "fixedly connected" can be non-removably connected, such as by welding, riveting, or the like, or removably connected, such as by threading, snapping, or the like. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

In the present invention, the terms "first" and "second" do not denote any particular quantity or order, but are merely used to distinguish names.

As shown in fig. 1, the present invention provides a reactor, which comprises a reaction tube unit 10, a tube connector 20 and an end cap 30.

As shown in fig. 2, the reaction tube unit 10 includes a unit outer tube 101 and a unit inner tube 102, the unit outer tube 101 and the unit inner tube 102 respectively include tube openings, the unit inner tube 102 is disposed in the tube cavity of the unit outer tube 101, the tube opening end of the unit inner tube 102 is disposed in the tube opening of the unit outer tube 101, a unit inner tube cavity (not shown) and a unit inner tube opening 104 of the reaction tube unit are formed inside the unit inner tube 102, and a unit outer tube cavity 105 and a unit outer tube opening 106 of the reaction tube unit are formed between the unit inner tube 102 and the unit outer tube 101. In the present embodiment, the unit outer tube 101 is a thin, straight stainless steel tube, the unit inner tube 102 is a coiled stainless steel tube, and the materials, shapes, dimensions, and the like of the unit outer tube 101 and the unit inner tube 102 can be adjusted according to the use environment. The inner unit lumen (not shown) is used for flowing raw materials, the raw materials react in the inner unit lumen (not shown), and the outer unit lumen 105 is used for flowing a heat exchange medium, such as a cooling liquid or a heating liquid, to exchange heat with the raw materials in the inner unit lumen (not shown), and cool or heat the raw materials.

As shown in fig. 3, the pipe joint 20 includes a joint outer pipe 201 and a joint inner pipe 202, the joint outer pipe 201 and the joint inner pipe 202 respectively include pipe orifices, the joint inner pipe 202 is disposed in a pipe cavity of the joint outer pipe 201, a pipe orifice end of the joint inner pipe 202 is disposed in the pipe orifice of the joint outer pipe 201, a joint inner pipe cavity 203 and a joint inner pipe orifice 204 of the pipe joint 20 are formed inside the joint inner pipe 202, and a joint outer pipe cavity 205 and a joint outer pipe orifice 206 of the pipe joint 20 are formed between the joint inner pipe 202 and the joint outer pipe 201. The pipe joint 20 further includes an installation pipe 207, the installation pipe 207 is disposed through the joint outer pipe 201, the installation pipe 207 includes an outer pipe port 2071 exposed outside the joint outer pipe 201 and an inner pipe port (not shown) located inside the joint outer pipe 201, the inner pipe port end of the installation pipe 207 is connected to the joint inner pipe 202, the lumen of the installation pipe 207 is communicated with the lumen of the joint inner pipe 202, and the outer pipe port 2071 of the installation pipe 207 is used for inserting the temperature measuring element into the lumen of the installation pipe 207.

The pipe joint 20 is hermetically connected to the reaction tube unit 10 to form a reaction tube of the reactor, a pipe port end of the joint outer tube 201 is hermetically connected to a pipe port end of the unit outer tube 101 to form a reaction outer tube of the reaction tube, a pipe port end of the joint inner tube 202 is hermetically connected to a pipe port end of the unit inner tube 102 to form a reaction inner tube of the reaction tube, so that the joint outer tube cavity 205 is communicated with the unit outer tube cavity 105 to form a reaction outer tube cavity of the reaction tube, the joint inner tube cavity 203 is communicated with the unit inner tube cavity (not shown) to form a reaction inner tube cavity of the reaction tube, the raw material flows into the other one of the joint inner tube cavity 203 and the unit inner tube cavity (not shown), and the heat exchange medium flows into the other one of the joint outer tube cavity 205 and the unit outer tube cavity. The temperature of the raw material can be monitored by inserting the temperature measuring element into the tube cavity of the mounting tube 207, the temperature monitoring environment is the reaction environment of the raw material, and the temperature monitored by the temperature measuring element is accurate and reliable.

The end cover 30 is arranged on the reaction tube, the end cover seals and covers the reaction outer tube opening and communicates the reaction inner tube with the inlet and outlet tube 70, specifically, the end cover 30 is arranged on the reaction tube unit 10, the end cover seals and covers the unit outer tube opening 106 and communicates the unit inner tube 102 with the inlet and outlet tube 70, the inlet and outlet tube 70 is used for feeding or discharging raw materials in the unit inner tube cavity, and at the moment, the reaction outer tube opening of the reaction tube comprises the unit outer tube opening 106; and/or, the end cap 30 is disposed on the pipe joint 20, and the end cap seals and covers the joint outer pipe orifice 206 and provides communication between the joint inner pipe 202 and the inlet and outlet pipe 70, and the inlet and outlet pipe 70 is used for feeding or discharging the raw material in the joint inner pipe cavity 203, and at this time, the reaction outer pipe orifice of the reaction pipe includes the joint outer pipe orifice 206.

In the present embodiment, the tube adapter 20 is detachably and hermetically connected to the reaction tube unit 10, the cap 30 is detachably and hermetically connected to the tube adapter 20, and the cap 30 is detachably and hermetically connected to the reaction tube unit 10, so that it can be seen that the cap 30, the tube adapter 20, and the reaction tube unit 10 can be freely assembled and disassembled, and a user can freely combine and connect the reaction tube unit 10, the tube adapter 20, and the cap 30 according to a change in reaction conditions, to increase or decrease the reaction tube unit 10, or to change the size of the reaction tube unit 10. Of course, the connection method of the pipe joint, the reaction pipe unit and the end cap is not limited to this, the pipe joint and the reaction pipe unit may be welded, integrally formed or connected by other methods, and the pipe joint and the end cap may be welded, integrally formed or connected by other methods in a sealing manner, but such a reactor cannot freely and conveniently increase or decrease the reaction pipe unit 10.

The pipe orifice end of the joint outer pipe 201 is provided with a connecting part, and the connecting part of the joint outer pipe 201 is used for being detachably connected with an external component in a sealing manner, in this embodiment, the external component of the joint outer pipe 201 is the unit outer pipe 101 or the end cover 30. The end cap 30 is provided with a connecting portion, and the connecting portion of the end cap 30 is used for detachably and hermetically connecting with an external component, in this embodiment, the external component of the end cap 30 is the unit outer tube 101 or the joint outer tube 201. The unit outer tube 101 is provided with a connecting portion, the connecting portion of the unit outer tube 101 is used for being in fit connection with the connecting portion of the joint outer tube 201, and/or the connecting portion of the unit outer tube 101 is used for being in fit connection with the connecting portion of the end cover 30. In the present embodiment, the connection portions of the unit outer tube 101, the joint outer tube 201, and the end cap 30 are fitted in pairs.

As shown in fig. 2 to 5, two connecting portions of the unit outer tube 101, the joint outer tube 201, and the end cap 30 are detachably connected in a sealing manner by clips (not shown). The connection portions of the unit outer tube 101, the joint outer tube 201 and the end cover 30 three respectively include a chuck 401 adapted to a clamp (not shown), that is, the tube opening end of the joint outer tube 201, the tube opening end of the unit outer tube 101 and the periphery of the end cover are respectively provided with the chuck 401 extending radially outwards, the unit outer tube 101, the joint outer tube 201 and the chuck 401 of the end cover 30 three are in pairwise butt joint with the clamp (not shown), a sealing groove 402 is formed in a butt joint face of the chuck 401, the sealing groove 402 is annular, the sealing groove 402 is used for installing a sealing ring (not shown), the unit outer tube 101, the joint outer tube 201 and the seal groove of the end cover 30 three correspond pairwise, and the sealing ring (not shown) is clamped in the sealing groove 402 and locked by the clamp (not shown.

As shown in fig. 3 and 4, the pipe orifice end of the joint inner pipe 202 is provided with a connecting portion, and the connecting portion of the joint inner pipe 202 is used for detachably and hermetically connecting with an external component, which is the unit inner pipe 102 or the access pipe 70, of the joint inner pipe 202. In the present embodiment, the connecting portion of the joint inner pipe 202 is detachably and hermetically connected to and communicates with the lumen of the unit inner pipe 102 through the first ferrule fitting 50, or the connecting portion of the joint inner pipe 202 is detachably and hermetically connected to and communicates with the lumen of the inlet and outlet pipe 70 through the first ferrule fitting 50. The connecting portion of the connector inner tube 202 includes a first ferrule connector 50, the first ferrule connector 50 includes a first connector body 501, a first ferrule (not shown) and a first lock nut 503, the first connector body 501 is in threaded connection with the first lock nut 503, the first ferrule (not shown) is disposed between the first connector body 501 and the first lock nut 503, an end portion of the first ferrule (not shown) is in tapered fit with an end portion of the first connector body 501, a first connector body 501 is disposed at a tube end of the connector inner tube 202, the first connector body 501 is provided with a first mounting hole 504 communicated with the connector inner tube cavity 203, the first mounting hole 504 is used for abutting against the connector inner tube 102 or the inlet/outlet tube 70, a first limiting surface 505 is formed in the first mounting hole 504, the first limiting surface 505 is used for axially limiting the connector inner tube 102 or the inlet/outlet tube 70, the first ferrule (not shown) and the first lock nut 503 are tightly sleeved on an outer periphery of the connector inner tube 102 or the connector inner tube 70, the pipe mouth end of the unit inner pipe 102 or the inlet/outlet pipe 70 is fittingly inserted into the first mounting hole 504, and when the first locking nut 503 is tightened, the first ferrule (not shown) is fitted to the end tapered surface of the first connector body 501, the first ferrule (not shown) uniformly bites into the unit inner pipe 102 or the inlet/outlet pipe 70 to form effective sealing, and the connector inner pipe 202 is communicated with the unit inner pipe 102 or the connector inner pipe 202 is communicated with the inlet/outlet pipe 70. Of course, the first ferrule 50 may also be provided to the unit inner tube 102 or the access tube 70, with the first ferrule 50 being provided at the tube mouth end of the unit inner tube 102 or the access tube 70. In addition, a two-way pipe can also be separately arranged, two ends of the two-way pipe are respectively provided with a first ferrule connector 50, one end of the two-way pipe is detachably and hermetically connected with the connector inner pipe 202, a connecting part of the connector inner pipe 202 is detachably and hermetically inserted into a first mounting hole 504 of a first connector body 501 at the end, the other end of the two-way pipe is detachably and hermetically connected with the unit inner pipe 102 or the inlet and outlet pipe 70, and the unit inner pipe 102 or the inlet and outlet pipe 70 is detachably and hermetically inserted into a first mounting hole 504 of the first connector body 501 at the end. Of course, the access tube 70 and the unit inner tube 102 can be detachably connected and communicated with each other through the first ferrule connector 50, and preferably, the access tube 70 and the unit inner tube 102 are detachably connected through a two-way tube. It should also be noted that the first ferrule connector 50 may be a single ferrule connector or a double ferrule connector.

Referring to fig. 4, the reaction tube is further provided with an external interface 208 communicated with the reaction outer tube cavity, the external interface 208 is used for sending in or sending out the heat exchange medium in the reaction outer tube cavity, in this embodiment, the external interface 208 is provided on the joint outer tube, and of course, the external interface 208 may also be provided on the unit outer tube. As shown in fig. 5, the cover 300 is provided with a second mounting hole 301, the second mounting hole 301 is used for penetrating an external component, and the cover 300 is detachably and hermetically connected with the external component penetrating the second mounting hole 301. In this embodiment, the external component passing through the second mounting hole 301 is the access pipe 70, the joint inner pipe 202, or the unit inner pipe 102, the access pipe 70 passes through the second mounting hole 301 and is detachably and hermetically connected with the cover 300, or one of the joint inner pipe 202 and the unit inner pipe 102 passes through the second mounting hole 301 and is detachably and hermetically connected with the cover 300, and the pipe orifice end of the access pipe 70 is detachably and hermetically connected with the pipe orifice end of the joint inner pipe 202 or the pipe orifice end of the access pipe 70 is detachably and hermetically connected with the pipe orifice end of the unit inner pipe 102. The cover 300 is provided with a second ferrule adapter 302, the second ferrule adapter 302 includes a second adapter body 3021, a second ferrule (not shown) and a second lock nut 3023, the second adapter body 3021 is in threaded connection with the second lock nut 3023, the second ferrule (not shown) is disposed between the second adapter body 3021 and the second lock nut 3023, an end portion of the second ferrule (not shown) is in tapered fit with an end portion of the second adapter body 3021, the second adapter body 3021 is disposed on the cover 300, the second adapter body 3021 is penetratingly disposed on the cover 300 and welded to the cover 300, of course, the second connector body 3021 may also be integrally formed with the cover body 300, the second mounting hole 301 is provided in the second connector body 3021, the access pipe 70 or the connector inner pipe 202 or the unit inner pipe 102 is penetratingly inserted into the second mounting hole 301 and tightly sealed by the second ferrule adapter 302, the access pipe 70 and the connector inner pipe 202 are detachably and sealingly connected by the first ferrule adapter 50, or the access pipe 70 and the unit inner pipe 102 are detachably and sealingly connected by the first ferrule adapter 50.

In summary, when the pipe joint 20 is connected to the reaction tube unit 10, the chucks of the outer joint tube 201 and the outer unit tube 101 are abutted to clamp the sealing rings and locked by the clamps, effective sealing abutment is formed between the outer joint tube 201 and the outer unit tube 101, the first ferrule (not shown) and the first locking nut 503 are sleeved on the outer periphery of the inner unit tube 102 and the inner unit tube 102 is inserted into the first mounting hole 504, the first locking nut 503 is tightened to enable the first ferrule (not shown) to be uniformly engaged into the inner unit tube 102, effective sealing insertion is formed between the inner joint tube 202 and the inner unit tube 102, the outer joint tube cavity 205 and the outer unit tube cavity 105 are communicated for the heat exchange medium to flow between the two, the inner joint tube cavity 203 and the inner unit tube cavity are communicated for the raw material to flow between the two, and the joint between the outer joint tube 201 and the outer unit tube 101, the joint between the inner joint tube 202 and, effectively preventing the leakage of heat exchange medium and raw material. When the end cap 30 is connected to the pipe joint 20, the joint outer pipe 201 is abutted against the chuck of the end cap 30 to clamp the sealing ring and locked by the clamp, effective sealing abutment is formed between the joint outer pipe 201 and the end cap 30, a first clamp sleeve (not shown) and a first locking nut 503 are sleeved on the periphery of the inlet/outlet pipe 70, the inlet/outlet pipe 70 is inserted into the first mounting hole 504, the first locking nut 503 is screwed to enable the first clamp sleeve (not shown) to be evenly bitten into the inlet/outlet pipe 70, effective sealing insertion is formed between the joint inner pipe 202 and the inlet/outlet pipe 70, the inlet/outlet pipe 70 is inserted into the second mounting hole 301, a second clamp sleeve (not shown) and a second locking nut 3023 are sleeved on the periphery of the inlet/outlet pipe 70, the second locking nut 3023 is screwed to enable the second clamp sleeve (not shown) to be evenly bitten into the inlet/outlet pipe 70, effective sealing insertion is formed between the end cap 30 and the inlet/outlet pipe 70, so that the lumen of the inlet/outlet pipe 70 is communicated with the lumen of the And the end cover seals and covers the joint outer pipe orifice 204, so that the heat exchange medium is effectively prevented from leaking at the joint of the end cover 30 and the joint outer pipe 201, the joint of the joint outer pipe 201 and the inlet and outlet pipe 70 and the joint of the end cover 30 and the inlet and outlet pipe 70. The connection of the end cap 30 to the reaction tube unit 10 can refer to the connection of the end cap 30 to the pipe joint 20, and will not be described in detail herein. The operation of the clamp connection and the ferrule connection is very convenient, the end cap 30, the pipe joint 20 and the reaction tube unit 10 are conveniently and freely assembled or disassembled, and a user can conveniently and freely combine and connect the reaction tube unit 10, the pipe joint 20 and the end cap 30 according to the change of reaction conditions, increase or reduce the reaction tube unit 10 or change the size of the reaction tube unit 10, so as to adjust the whole size of the reaction tube, increase or reduce the pipe joint or change the installation position of the pipe joint, so as to adjust the monitoring node of the temperature.

It should be noted that, for the reaction tube unit 10, the pipe joint 20, the end cap 30 and the inlet and outlet pipe 70 are external components of the reaction tube unit 10; for the coupling 20, the reaction tube unit 10, the end cap 30 and the inlet and outlet tubes 70 are external components of the coupling 20, and for the end cap 30, the reaction tube unit 10, the coupling 20 and the inlet and outlet tubes 70 are external components of the end cap 30.

The following description is given with reference to specific examples:

the first embodiment is as follows:

the present embodiment provides a pipe joint 20, as shown in fig. 3, which includes a joint outer pipe 201 and a joint inner pipe 202, the joint inner pipe 202 is disposed in a pipe cavity of the joint outer pipe 201, the pipe cavity of the joint inner pipe 202 is a joint inner pipe cavity 203 of the pipe joint 20, the pipe cavity between the joint inner pipe 202 and the joint outer pipe 201 is a joint outer pipe cavity 205 of the pipe joint 20, the pipe orifices of the joint inner pipe 202 include a first pipe orifice and a second pipe orifice, the pipe orifices of the joint outer pipe 201 include a first pipe orifice and a second pipe orifice, the first pipe orifice of the joint inner pipe 202 is disposed in the first pipe orifice of the joint outer pipe 201, the first pipe orifice of the joint inner pipe 202 is a first joint inner pipe orifice 204 of the pipe joint 20, the first pipe orifice of the joint inner pipe 202 is disposed between the first pipe orifice of the joint outer pipe 201 and a first joint outer pipe orifice 206 of the joint outer pipe 201, the second pipe, the second nozzle of the joint inner pipe 202 is a second joint inner nozzle 204 of the joint outer pipe 201, and a second joint outer nozzle 206 of the joint inner pipe 20 is located between the second nozzle end of the joint inner pipe 202 and the second nozzle end of the joint outer pipe 201, that is, the joint inner pipe 204 and the joint outer nozzle 206 are included in the joint outer pipe 20.

The pipe joint 20 further includes an installation pipe 207, the installation pipe 207 is disposed through the joint outer pipe 201, the installation pipe 207 includes an outer pipe port 2071 exposed outside the joint outer pipe 201 and an inner pipe port (not shown) located inside the joint outer pipe 201, the inner pipe port end of the installation pipe 207 is connected to the joint inner pipe 202, the lumen of the installation pipe 207 is communicated with the lumen of the joint inner pipe 202, the outer pipe port 2071 of the installation pipe 207 is used for inserting a temperature measuring element into the lumen of the installation pipe 207, and the temperature measuring element is inserted into the lumen of the installation pipe 207 from the outer pipe port 2071 of the installation pipe 207.

In the present embodiment, the mounting pipe 207 is provided to the joint inner pipe 202, and the mounting pipe 207 is integrally molded with the joint inner pipe 202 or the mounting pipe 207 is welded to the joint inner pipe 202, that is, the mounting pipe 207 is a branch pipe of the joint inner pipe 202. The pipe wall that connects outer tube 201 is equipped with the locating hole (not shown), the installation pipe 207 wears to locate the locating hole and with connect outer tube 201 detachably sealing connection, the inner of installation pipe 207 is equipped with spacing portion 2072, the outer end of installation pipe 207 is equipped with the external screw thread, installation pipe 207 external screw thread connection fastening nut 2073, fastening nut 2073 and spacing portion 2072 cooperation fasten installation pipe 207 in connecting outer tube 201, installation pipe 207 passes through sealing washer 2074 with connecting outer tube 201 and seals, sealing washer 2074 suit is in the inner periphery of installation pipe 207 and is compressed tightly between spacing portion 2072 and joint outer tube 201. The temperature measuring element is inserted into the lumen of the mounting tube 207 from the outer nozzle 2071 of the mounting tube 207, and the temperature measuring element and the mounting tube 207 are detachably connected in a sealing manner or fixedly connected in a sealing manner, in this embodiment, the inner wall of the mounting tube 207 is provided with an internal thread, and the temperature measuring element is connected and positioned with the internal thread of the mounting tube 207. Of course, the mounting tube 207 may also be separately provided, and is respectively assembled with the joint outer tube 201 and the joint inner tube 202 in a sealing manner; alternatively, the mounting tube 207 is integrally formed or welded with the joint outer tube 201, and is sealingly assembled with the joint inner tube 202.

In another embodiment, the joint outer tube 201 further includes a third tube opening (not shown), the third tube opening is provided with a sealing cover (not shown), the positioning hole is provided in the sealing cover, and the mounting tube 207 is inserted into the positioning hole of the sealing cover and detachably and hermetically connected with the sealing cover. It should be noted that the joint inner pipe 202 may be provided with more branch pipes for installing inlet and outlet pipes or installing temperature measuring elements or others, and the branch pipes of the joint inner pipe 202 may be arranged with reference to the installation pipe 207, see fig. 6.

When coupling 20 locates between reaction tube unit 10 and the end cover 30, coupling outer tube 201 is located between unit outer tube 101 and the end cover 30, the first nose end of coupling outer tube 201 and the nose end sealing connection of unit outer tube 101, the second nose end and the end cover 30 sealing connection of coupling outer tube 201, coupling inner tube 202 is located between unit inner tube 102 and business turn over pipe 70, the first nose end of coupling inner tube 202 and the nose end sealing connection of unit inner tube 102, the second nose end of coupling inner tube 202 and the nose end sealing connection of business turn over pipe 70, coupling inner tube 202 or business turn over pipe 70 run through locate end cover 30 and with end cover 30 sealing connection. The raw material flows into the unit inner pipe 102 through the joint inner pipe 202 from the inlet and outlet pipe 70 or flows out of the unit inner pipe 102 through the joint inner pipe 202 and the inlet and outlet pipe 70, and the heat exchange medium is isolated in the joint outer pipe cavity and the unit outer pipe cavity. The temperature measuring element is inserted into the tube cavity of the mounting tube 207, so that the temperature of the raw material can be monitored, the temperature monitoring environment is the initial reaction environment or the end-time reaction environment of the raw material, and the temperature monitored by the temperature measuring element is accurate and reliable.

When the pipe joint 20 is disposed between two reaction tube units 10, the joint outer tube 201 is disposed between two unit outer tubes 101, the first tube end of the joint outer tube 201 is connected with the tube end of one of the unit outer tubes 101 in a sealing manner, the second tube end of the joint outer tube 201 is connected with the tube end of the other unit outer tube 101 in a sealing manner, the joint inner tube 202 is disposed between the two unit inner tubes 102, the first tube end of the joint inner tube 202 is connected with the tube end of one of the unit inner tubes 102 in a sealing manner, the second tube end of the joint inner tube 202 is connected with the tube end of the other unit inner tube 102 in a sealing manner, so the joint outer tube cavity 205 is communicated with the two unit outer tube cavities 105, and the joint inner tube cavity 203 is communicated with the two. The raw material in one unit inner lumen (not shown) flows into the other unit inner lumen (not shown) through the joint inner lumen 203, the heat exchange medium in one unit outer lumen 105 flows into the other unit outer lumen 105 through the joint outer lumen 205, and the raw material and the heat exchange medium are isolated from each other. The temperature of the raw material can be monitored by inserting the temperature measuring element into the tube cavity of the mounting tube 207, the temperature monitoring environment is the reaction environment of the raw material, and the temperature monitored by the temperature measuring element is accurate and reliable.

The pipe joint 20 of the embodiment is applied to a reactor, the pipe joint 20 is connected between two reaction pipe units 10 and/or between the reaction pipe units 10 and an end cover 30 through welding or integral molding or other connection modes, and a temperature measuring element is installed through the pipe joint 20, so that temperature monitoring can be realized on one or more nodes of the reactor. The temperature measuring element directly monitors the temperature of the raw material, and the temperature measuring element has the same or basically the same heat exchange environment with the unit inner tube 102, and the temperature monitoring value is accurate and reliable.

Example two:

in the present embodiment, as shown in fig. 3, a first pipe end and a second pipe end of the joint outer pipe 201 are respectively provided with a chuck 401 extending radially outwards, and an annular sealing groove 402 is provided on an abutting surface of the chuck 401. The first pipe orifice end and the second pipe orifice end of the joint inner pipe 202 are respectively provided with a first ferrule joint 50, the first ferrule joint 50 comprises a first joint body 501, a first ferrule (not shown) and a first locking nut 503, the first joint body 501 is in threaded connection with the first locking nut 503, the first ferrule (not shown) is arranged between the first joint body 501 and the first locking nut 503, the end part of the first ferrule (not shown) is in conical fit with the end part of the first joint body 501, the first joint inner orifice 204 end and the second joint inner orifice 204 end are respectively provided with a first joint body 501, the first joint body 501 is provided with a first mounting hole 504 communicated with the joint inner pipe cavity 203, one end of the first mounting hole 504 is used for the inlet and outlet pipe 70 or the unit inner pipe 102, and the other end is provided with a limiting surface for axially limiting the inlet and outlet pipe 70 or the unit inner pipe 102.

The coupling 20 is detachably and sealingly coupled between the two reaction tube units 10 or between the reaction tube unit 10 and the end cap 30, so that the coupling 20, the reaction tube unit 10 and the end cap 30 can be freely combined, the reaction tube unit 10 can be freely and conveniently increased or decreased in the reactor, or the size of the reaction tube unit 10 can be changed.

In one embodiment, the joint inner tube 202 penetrates the end cap 30 and is in sealing engagement with the end cap 30, the specific structure of the joint inner tube 202 can be set with reference to the structure in the first embodiment in which the mounting tube 207 penetrates the joint outer tube 201 and is in sealing engagement with the joint outer tube 201, and the joint inner tube 202 is provided with the limiting part 2072, the fastening nut 2073 and the sealing ring 2074. Of course, the arrangement of such a structure between the connector inner tube 202 and the end cap 30 can be eliminated, and the access tube 70 penetrates the end cap 30 and is in sealing fit with the end cap 30, and the connector inner tube 202 only needs to be connected with the access tube 70 through the first ferrule connector 50.

Other undescribed structures may be referred to in embodiment one.

Example three:

the present embodiment provides a pipe joint 20, and a joint outer pipe 201 of the pipe joint 20 is provided with an outer joint 208 communicating with a joint outer pipe chamber 205, as shown in fig. 4. The pipe connector 20 is used for a reactor, and the external connector 208 is used for inflow or outflow of a heat exchange medium in the reactor.

The joint outer tube 201 is provided with an external connection tube 2081, the joint outer tube 201 and the external connection tube 2081 are integrally formed or welded, the tube cavity of the joint outer tube 201 is communicated with the tube cavity of the external connection tube 2081, and the tube opening of the external connection tube 2081 is an external interface 208. Of course, the external interface 208 may also be directly disposed on the tube wall of the joint outer tube 201, and the external tube 2081 is omitted.

In this embodiment, the end cap 30 is used for connecting between the reaction tube unit 10 and the end cap 30, the end cap 30 is used for sealing and covering the second joint outer tube opening 206, the unit inner tube cavity (not shown) is communicated with the tube cavity of the inlet/outlet tube 70 through the joint inner tube cavity 203 for feeding or discharging raw materials, and the unit outer tube cavity 105 is communicated with the tube cavity of the outer tube 2081 through the joint outer tube cavity 205 for feeding or discharging heat exchange media.

The other non-described structures refer to embodiments one and two.

Example four:

the present embodiment provides an end cap 30, as shown in fig. 5, comprising a cap body 300, a chuck 401 disposed on the cap body 300, and a second ferrule adapter 302, wherein the chuck 401 is disposed on the outer peripheral end of the cap body 300, the abutting surface of the chuck 401 is provided with a sealing groove 402, the cap body 300 is provided with a through hole (not shown), the second ferrule adapter 302 comprises a second adapter body 3021, a second ferrule (not shown) and a second lock nut 3023, the second connector body 3021 is in threaded connection with the second lock nut 3023, the second ferrule (not shown) is disposed between the second connector body 3021 and the second nut, an end portion of the second ferrule (not shown) is in tapered fit with an end portion of the second connector body 3021, the second connector body 3021 is inserted into the through hole of the cap body 300, the second connector body 3021 is sealed with the cap body 300 by welding, the second connector body 3021 is provided with a second mounting hole 301 penetrating through the cap body 300, and the second ferrule (not shown) and the second lock nut 3023 are located on a side of the end cap 30 opposite to the butt joint surface. It should be noted that the first mounting hole 504 is formed with a first limiting surface 505 for axially limiting the pipe, but the second mounting hole 301 is not provided with a limiting surface so that the pipe can pass through the second mounting hole 301.

The present embodiment is adapted to be connected to any one of the pipe joints 20 of the first to third embodiments. The chuck 401 of the cover body 300 is abutted with the chuck 401 of the joint outer tube 201 and clamps the seal ring (not shown) in the seal groove 402, and the seal is realized by locking the seal ring by a clamp (not shown). The inlet and outlet pipe 70 is arranged through the second mounting hole 301 and is locked with the end cover 30 by the second locking nut 3023 to form an effective seal, and the inlet and outlet pipe 70 is inserted into the first mounting hole 504 towards one end of the pipe joint 20 and is locked with the joint inner pipe 202 by the first locking nut 503 to form an effective seal.

In another embodiment, when the joint inner pipe 202 penetrates through the end cover 30 and is in sealing fit with the end cover 30, the joint inner pipe 202 penetrates through the second mounting hole 301 and is locked with the end cover 30 through the second locking nut 3023 to form effective sealing; in addition, reference may also be made to the structural arrangement in which the mounting tube 207 penetrates the joint outer tube 201 and is in sealing fit with the joint outer tube 201 in the first embodiment, so that the end cover 30 may omit the second ferrule joint 302, and the end cover 30 only has a through hole for the joint inner tube to pass through.

The end cap 30 may also be adapted to the reaction tube unit 10 in this embodiment, and the specific connection structure may refer to the connection structure of the end cap 30 and the tube joint 20, for example, the unit inner tube 102 is inserted into the second mounting hole 301 and locked by the second locking nut 3023 to form an effective seal with the end cap 30, and the unit inner tube 102 is connected with the inlet and outlet tube 70 by a two-way tube.

Example five:

the present embodiment provides an end cap assembly including any one of the first to third embodiments of the pipe joint 20 and the end cap 30 of the fourth embodiment. Preferably, the pipe joint 20 is detachably and hermetically connected with the end cover 30, the connecting portion of the cover 300 is detachably and hermetically connected with the pipe orifice end of the joint outer pipe 201, the second mounting hole 301 is used for penetrating the inlet and outlet pipe 70, and the inlet and outlet pipe 70 is detachably and hermetically connected with the pipe orifice ends of the cover 300 and the joint inner pipe 202 respectively, or the joint inner pipe 202 is penetrated through the second mounting hole 301 and detachably and hermetically connected with the cover 300. Of course, the coupler 20 and the end cap 30 may also be welded.

Other undescribed structures may be referred to in embodiments one through four.

Example six:

the embodiment provides a reaction tube unit 10, as shown in fig. 2, which includes a unit outer tube 101 and a unit inner tube 102, the unit inner tube 102 is disposed in a tube cavity of the unit outer tube 101, the tube cavity of the unit inner tube 102 is a unit inner tube cavity 103 of the reaction tube unit 10, the tube cavity between the unit inner tube 102 and the unit outer tube 101 is a unit outer tube cavity 205 of the reaction tube unit 10, a tube orifice of the unit inner tube 102 includes a first tube orifice and a second tube orifice, the tube orifice of the unit outer tube 101 includes a first tube orifice and a second tube orifice, the first tube orifice of the unit inner tube 102 is disposed in the first tube orifice of the unit outer tube 101, the first tube orifice of the unit inner tube 102 is a first unit inner tube orifice 104 of the reaction tube unit 10, the first tube orifice of the unit inner tube 102 and the first tube orifice of the unit outer tube 101 are a first unit outer tube orifice 106 of the reaction tube unit 10, the second tube orifice of the unit inner tube 102 is, the second pipe orifice of the unit inner pipe 102 is a second unit inner pipe orifice 104 of the reaction pipe unit 10, and a second unit outer pipe orifice 106 of the reaction pipe unit 10 is arranged between the second pipe orifice end of the unit inner pipe 102 and the second pipe orifice end of the unit outer pipe 101, that is, the reaction pipe unit 10 includes two unit inner pipe orifices 104 and two unit outer pipe orifices 106.

The reaction tube unit 10 of this embodiment is adapted to be connected to the tube joint 20 of any one of the first to third embodiments, a chuck 401 extending radially outward is respectively disposed at the first tube end and the second tube end of the unit outer tube 101, and an annular sealing groove 402 is disposed at the abutting surface of the chuck 401. The unit inner tube 202 is fitted with the first mounting hole 504, and/or the unit inner tube 202 is fitted with the second mounting hole 301. Of course, the reaction tube unit 10 of this embodiment and the end cap 30 of the fourth embodiment can also be adapted and connected, the end cap assembly of the fifth embodiment can also be adapted and connected, and in addition, two reaction tube units 10 can also be adapted and connected.

Alternatively, the external interface 208 may be provided to the unit outer tube 101. When the tube adapter 20 is used in a reactor together with the reaction tube unit 10, it is only necessary to provide the external interface 208 at one of the tube adapter 20 and the reaction tube unit 10 disposed next to the end cap 30.

Other undescribed structures may be referred to in embodiments one through five.

Example seven:

the present embodiment provides a reaction tube unit 10, which is different from the sixth embodiment in that the reaction tube unit 10 includes the tube joint 20 described in any one of the first to third embodiments, the unit outer tube 101 is integrally formed with the joint outer tube 201, and the unit inner tube 102 is hermetically connected with the joint inner tube 202, for example, detachably and hermetically connected or welded, that is, the reaction tube unit 10 includes the unit outer tube 101, the lumen of the unit outer tube is provided with the unit inner tube 102 and the joint inner tube 202, and the unit inner tube 102 is hermetically connected with the joint inner tube 202, see fig. 7, it can also be understood that the lumen of the joint outer tube 201 is provided with the unit inner tube 102 and the joint inner tube 202, so that the unit inner tube 102 can arbitrarily select pipes of desired material, shape and size according to the reaction conditions, and only needs to be adapted to the joint inner tube 202 without being limited by. Of course, the reaction tube unit of this embodiment may also include the end cap 30 of the fourth embodiment, and the end cap 30 is integrally formed with the unit outer tube 101; alternatively, the reactor tube unit of this embodiment comprises the end cap assembly of embodiment five.

Other undescribed structures may be referred to in embodiments one through six.

Example eight:

the present embodiment provides a reactor, as shown in fig. 8, including a reaction tube and end caps, where the reaction tube includes a reaction tube unit 10 and two pipe joints 20, and there are two end caps 30, the reaction tube unit 10 is the reaction tube unit 10 described in the sixth embodiment, the two pipe joints 20 are the pipe joints 20 described in the third embodiment, and the two end caps 30 are the end caps 30 described in the fourth embodiment. For convenience of description, the present embodiment defines one of the two pipe joints 20 as a first pipe joint 20 and the other as a second pipe joint 20, and defines one of the two end caps 30 as a first end cap 30 and the other as a second end cap 30.

In the present embodiment, the reaction tube unit 10 is detachably and sealingly connected between the first tube joint 20 and the second tube joint 20, the first tube joint 20 is detachably and sealingly connected between the first end cap 30 and the reaction tube unit 10, and the second tube joint 20 is detachably and sealingly connected between the second end cap 30 and the reaction tube unit 10.

The chuck 401 of the first end cap 30 is abutted against the chuck 401 of the second port end of the first joint outer pipe 201 (i.e., the joint outer pipe 201 of the first pipe joint 20) to clamp the sealing ring (not shown) and is locked by a clamping band (not shown), the first end cap 30 is detachably and hermetically connected to the inlet and outlet pipe 70 by the second ferrule joint 302, the inlet and outlet pipe 70 on the first end cap 30 is detachably and hermetically connected to the first ferrule joint 50 of the second port end of the first joint inner pipe 202 (i.e., the joint inner pipe 202 of the first pipe joint 20), the chuck 401 of the first port end of the first joint outer pipe 201 is abutted against the chuck 401 of the first port end of the unit outer pipe 101 to clamp the sealing ring (not shown) and is locked by a clamping band (not shown), and the first ferrule joint 50 of the first port end of the first joint inner pipe 202 is detachably and hermetically connected to the first port end of the unit inner pipe 202; the chuck 401 of the second end cap 30 is abutted against the clamping sealing ring (not shown) and locked by a clamping band (not shown) with the chuck 401 of the second pipe end of the second joint outer pipe 201 (i.e., the joint outer pipe 201 of the second pipe joint 20), the second end cap 30 is detachably and hermetically connected with the inlet and outlet pipe 70 by the second ferrule joint 302, the inlet and outlet pipe 70 on the second end cap 30 is detachably and hermetically connected with the first ferrule joint 50 of the second pipe end of the second joint inner pipe 202 (i.e., the joint inner pipe 202 of the second pipe joint 20), the chuck 401 of the first pipe end of the second joint outer pipe 201 is abutted against the clamping sealing ring (not shown) and locked by a clamping band (not shown) with the chuck 401 of the first pipe end of the unit outer pipe 101, and the first ferrule joint 50 of the first pipe end of the second joint inner pipe 202 is detachably and hermetically connected with the first pipe end of the unit inner pipe 202.

The raw material is input from the inlet/outlet pipe 70 of the first end cap 30, sequentially input to the first joint inner lumen 203 (the joint inner lumen 203 of the first pipe joint 20), the unit inner lumen (not shown), the second joint inner lumen 203 (the joint inner lumen 203 of the second pipe joint 20), and output from the inlet/outlet pipe 70 of the second end cap 30. The heat exchange medium is input from the external interface 208 of the second pipe joint 20, sequentially input to the second joint outer tube cavity 205 (the joint outer tube cavity 205 of the second pipe joint 20), the unit outer tube cavity 105, the first joint outer tube cavity 205 (the joint outer tube cavity 205 of the first pipe joint 20), and output from the external interface 208 of the first pipe joint 20, and heats or cools the raw materials in the joint inner tube cavity 203 and the unit inner tube cavity (not shown). The temperature measurement element of the first pipe joint 20 directly measures the temperature of the raw material in the first joint inner pipe cavity 203, namely the initial reaction temperature of the raw material, and the temperature measurement element of the second pipe joint 20 directly measures the temperature of the raw material in the second joint inner pipe cavity 203, namely the end-time reaction temperature of the raw material, so that the temperature monitoring of the feeding node and the discharging node of the reactor is realized.

The pipe joint 20 and the end cover 30 in the present embodiment may be replaced by the end cover assembly of the fifth embodiment.

The reaction tube unit 10 of the seventh embodiment can be used as the reaction tube unit 10 of the present embodiment, so that the provision of the pipe joint 20 can be eliminated.

The pipe joint 20 of the present embodiment may be the pipe joint 20 of the first or second embodiment, but the reaction tube unit 10 having the external connector 208 is used as the reaction tube unit 10.

Other undescribed structures may be referred to in embodiments one through seven.

Example nine:

the present embodiment provides a reactor, as shown in fig. 1, including a reaction tube and end caps, wherein the reaction tube includes two reaction tube units 10 and three tube joints 20, and the end caps 30 are provided in two numbers, for convenience of description, the present embodiment defines one of the two reaction tube units 10 as a first reaction tube unit 10 and the other as a second reaction tube unit 10, defines one of the three tube joints 20 as a first tube joint 20, the second thereof as a second tube joint 20, the third thereof as a third tube joint 20, and defines one of the two end caps 30 as a first end cap 30 and the other as a second end cap 30.

The reaction tube unit 10 is the reaction tube unit 10 according to the sixth embodiment, the first tube joint 20 and the second tube joint 20 are the tube joints 20 according to the third embodiment, the third tube joint 20 is the tube joint 20 according to the second embodiment, and the first end cap 30 and the second end cap 30 are the end caps 30 according to the fourth embodiment.

One end of the first reaction tube unit 10 is detachably and hermetically connected with one end of the second reaction tube unit 10 through a third tube joint 20, the other end of the first reaction tube unit 10 is detachably and hermetically connected with the first end cap 30 through the first tube joint 20, and the other end of the second reaction tube unit 10 is detachably and hermetically connected with the second end cap 30 through the second tube joint 20.

The raw material is input from the inlet/outlet pipe 70 of the first end cap 30, sequentially input to the joint inner lumen 203 of the first tube joint 20, the unit inner lumen (not shown) of the first reaction tube unit 10, the joint inner lumen 203 of the third tube joint 20, the unit inner lumen (not shown) of the second reaction tube unit 10, the joint inner lumen 203 of the second tube joint 20, and output from the inlet/outlet pipe 70 of the second end cap 30. The heat exchange medium is input from the external interface 208 of the second pipe joint 20, sequentially input to the joint external pipe cavity 205 of the second pipe joint 20, the unit external pipe cavity 105 of the second reaction pipe unit 10, the joint external pipe cavity 205 of the third pipe joint 20, the unit external pipe cavity 105 of the first reaction pipe unit 10, the joint external pipe cavity 205 of the first pipe joint 20, and then output from the external interface 208 of the first pipe joint 20, and heats or cools the raw materials in the joint internal pipe cavity 203 and the unit internal pipe cavity (not shown). The first pipe joint 20, the second pipe joint 20 and the third pipe joint 20 directly measure the temperature of the raw materials in the pipe cavity 203 in the pipe joints through temperature measuring elements respectively, so that the temperature monitoring of the feeding node, the middle node and the discharging node of the reactor is realized, namely the staged temperature monitoring is realized.

The first pipe joint 20, the second pipe joint 20, the first end cap 30 and the second end cap 30 may be collectively replaced by the end cap assembly of the fifth embodiment.

The reaction tube unit 10 of the seventh embodiment can be used as the reaction tube unit 10 of the present embodiment, so that the provision of the pipe joint 20 can be eliminated. Of course, one of the two reaction tube units 10 is the reaction tube unit 10 of the sixth embodiment, and the other is the reaction tube unit of the seventh embodiment, so that the provision of one pipe joint 20 can be eliminated.

The pipe joint 20 of the present embodiment may be the pipe joint 20 of the first or second embodiment, but the reaction tube unit 10 having the external connector 208 is used as the reaction tube unit 10. Alternatively, the first pipe joint 20 and the second pipe joint 20 adopt the pipe joint 20 of the third embodiment, and the third pipe joint 20 adopts the pipe joint 20 of the first or second embodiment. In addition, the third pipe connection 20 can be omitted, the first reaction pipe unit 10 can be directly connected with the second reaction pipe unit 10, and the monitoring of the intermediate temperature can be omitted.

It is understood that three or four or more reaction tube units 10 may be disposed between the first tube joint 20 and the second tube joint 20, and the tube joint 20 according to any one of the first to third embodiments may be disposed between two reaction tube units 10 according to the temperature monitoring node requirement, for example, the tube joint may be disposed between two tube joints 20 at an interval of one or two or other numbers of reaction tube units 10, or the tube joint may be disposed at an interval of one reaction tube unit 10 in a part of the same reactor, at an interval of two or other numbers of reaction tube units 10 in a part of the same reactor, and one or two or three of the tube joints 20 according to the first to third embodiments may be connected to the reactor according to the use condition. It can be seen that, the reaction tube unit 10, the tube joint 20 and the end cap 30 in the present embodiment can be set as one or more standard parts, and the parts under the unified specification can be adapted and assembled with each other, so as to sequentially assemble the required reactors, thereby saving the cost of customization and processing.

Other undescribed structures may be referred to in embodiments one through eight.

In addition to the preferred embodiments described above, other embodiments of the present invention are also possible, and those skilled in the art can make various changes and modifications according to the present invention without departing from the spirit of the present invention, which should fall within the scope of the present invention defined by the appended claims.

Claims

1. A pipe joint, characterized by: the pipe joint comprises a joint outer pipe and a joint inner pipe, the joint outer pipe and the joint inner pipe respectively comprise pipe orifices, the joint inner pipe is arranged in a pipe cavity of the joint outer pipe, a pipe orifice end of the joint inner pipe is arranged in the pipe orifice of the joint outer pipe, a joint inner pipe cavity and a joint inner pipe orifice of the pipe joint are formed on the inner side of the joint inner pipe, a joint outer pipe cavity and a joint outer pipe orifice of the pipe joint are formed between the joint inner pipe and the joint outer pipe, the pipe joint further comprises an installation pipe, the installation pipe is arranged on the joint outer pipe in a penetrating mode, the installation pipe comprises an outer pipe orifice exposed to the outer side of the joint outer pipe and an inner pipe orifice located on the inner side of the joint outer pipe, the inner pipe orifice end of the installation pipe is connected with the joint inner pipe, the pipe orifice of the installation pipe.

2. The pipe coupling according to claim 1, characterized in that it comprises at least one of the following structures:

3. The pipe joint according to claim 1 or 2, wherein the pipe opening end of the joint outer pipe and the pipe opening end of the joint inner pipe are respectively provided with a connecting portion, and the connecting portions of the joint outer pipe and the joint inner pipe are respectively used for being detachably and hermetically connected with an external component.

4. A pipe-fitting according to claim 3, characterized in that it comprises at least one of the following structures:

the connecting part of the joint outer pipe is detachably and hermetically connected with the external assembly through a hoop, the connecting part of the joint outer pipe comprises a chuck matched with the hoop, and the chuck of the joint outer pipe is provided with a sealing groove;

the connecting portion that connect the inner tube connect through first cutting ferrule and outside subassembly detachably sealing connection, first cutting ferrule connects including first joint body, first cutting ferrule and first lock nut, first joint body and first lock nut threaded connection, first cutting ferrule is located between first joint body and the first lock nut and the tip conical surface cooperation of the tip of first cutting ferrule and first joint body, the connecting portion that connect the inner tube include first cutting ferrule and connect, the nose end that connects the inner tube is located to the first joint body, the first joint body is equipped with the first mounting hole that communicates with joint inner tube chamber, first mounting hole is used for cartridge outside subassembly.

5. The pipe joint according to claim 4, wherein the external assembly comprises a reaction pipe unit, the reaction pipe unit comprises a unit outer pipe and a unit inner pipe, the unit inner pipe is arranged in the pipe cavity of the unit outer pipe, a unit inner pipe cavity is formed on the inner side of the unit inner pipe, a unit outer pipe cavity is formed between the unit inner pipe and the unit outer pipe, the connecting part of the joint outer pipe is detachably and hermetically connected with the unit outer pipe, the connecting part of the joint inner pipe is detachably and hermetically connected with the unit inner pipe, the joint outer pipe cavity is communicated with the unit outer pipe cavity, and the joint inner pipe cavity is communicated with the unit inner pipe cavity; or, the external component includes end cover and business turn over pipe, the connecting portion and the end cover detachably sealing connection of joint outer tube, the connecting portion and the business turn over pipe detachably sealing connection of joint inner tube, one of joint inner tube and business turn over pipe runs through in the end cover, end cover seal cover connects outer mouth of pipe and connects in the lumen intercommunication of lumen and business turn over pipe.

6. An end cap, characterized by: the end cover comprises a cover body, the cover body is provided with a connecting portion, the connecting portion of the cover body is used for being in sealing connection with an external assembly, the cover body is provided with a second mounting hole, the second mounting hole is used for penetrating through the external assembly, the cover body is detachably in sealing connection with the external assembly penetrating through the second mounting hole, and the end cover is matched with the pipe joint in any one of claims 1-5.

7. The end cap of claim 6, wherein the end cap comprises at least one of: the connecting part of the cover body is used for being detachably and hermetically connected with an external assembly, the connecting part of the end cover is detachably and hermetically connected with the external assembly through a hoop, the connecting part of the end cover comprises a chuck matched with the hoop, and the chuck of the end cover is provided with a sealing groove;

8. An end cover assembly comprises a pipe joint and an end cover, and is characterized in that the pipe joint is the pipe joint according to any one of claims 1 to 5, the end cover is the end cover according to any one of claims 6 to 7, a connecting portion of a cover body is detachably and hermetically connected with a pipe orifice end of a joint outer pipe, a second mounting hole is used for penetrating an inlet pipe and an outlet pipe, the inlet pipe and the outlet pipe are detachably and hermetically connected with the cover body and a pipe orifice end of a joint inner pipe respectively, or the joint inner pipe penetrates the second mounting hole and is detachably and hermetically connected with the cover body.

9. A reaction tube unit comprises a unit outer tube and a unit inner tube, wherein the unit outer tube and the unit inner tube respectively comprise tube openings, the unit inner tube is arranged in a tube cavity of the unit outer tube, a tube opening end of the unit inner tube is arranged in the tube opening of the unit outer tube, a unit inner tube cavity and a unit inner tube opening of the reaction tube unit are formed in the inner side of the unit inner tube, and a unit outer tube cavity and a unit outer tube opening of the reaction tube unit are formed between the unit inner tube and the unit outer tube.

10. A reactor comprises a reaction tube unit, wherein the reaction tube unit comprises a unit outer tube and a unit inner tube, the unit outer tube and the unit inner tube respectively comprise a tube opening, the unit inner tube is arranged in a tube cavity of the unit outer tube, a tube opening end of the unit inner tube is arranged in the tube opening of the unit outer tube, a unit inner tube cavity and a unit inner tube opening of the reaction tube unit are formed on the inner side of the unit inner tube, and a unit outer tube cavity and a unit outer tube opening of the reaction tube unit are formed between the unit inner tube and the unit outer tube, and the reactor is characterized by at least comprising one of the following structures:

the reactor comprises the pipe joint as claimed in any one of claims 1 to 5, wherein the pipe orifice end of the unit outer pipe is connected with the pipe orifice end of the joint outer pipe in a sealing manner, the pipe orifice end of the unit inner pipe is connected with the pipe orifice end of the joint inner pipe in a sealing manner, the unit outer pipe cavity is communicated with the joint outer pipe cavity, and the unit inner pipe cavity is communicated with the joint inner pipe cavity;

the reactor comprises the end cover of any one of claims 6 to 7, the connecting part of the cover body is detachably and hermetically connected with the unit outer tube, the second mounting hole is used for penetrating the unit inner tube or the inlet and outlet tube, and the cover body is detachably and hermetically connected with the unit inner tube or the inlet and outlet tube penetrating the second mounting hole;

the reactor comprises the end cover assembly of claim 8, the pipe orifice end of the unit outer pipe is connected with the pipe orifice end of the joint outer pipe in a sealing mode, the pipe orifice end of the unit inner pipe is connected with the pipe orifice end of the joint inner pipe in a sealing mode, the unit outer pipe cavity is communicated with the joint outer pipe cavity, and the unit inner pipe cavity is communicated with the joint inner pipe cavity; the reactor comprises the reactor tube unit of claim 9.