CN218561695U

CN218561695U - Refrigerating device for chemical fiber spinning production line

Info

Publication number: CN218561695U
Application number: CN202223212677.0U
Authority: CN
Inventors: 何海潮; 蒋二祥; 熊文付
Original assignee: Suzhou Jinwei Chemical Fiber Equipment Co ltd
Current assignee: Suzhou Jinwei Chemical Fiber Equipment Co ltd
Priority date: 2022-12-02
Filing date: 2022-12-02
Publication date: 2023-03-03
Anticipated expiration: 2032-12-02

Abstract

The application discloses a refrigerating device for a chemical fiber spinning production line, which comprises a refrigerating seat arranged in a spinning box, a refrigerating core arranged in the refrigerating seat in a penetrating manner, an input pipe and an output pipe inserted at two end parts of the refrigerating core, an air outlet pipe inserted on the refrigerating seat and an air inlet pipe arranged in the air outlet pipe in a penetrating manner, wherein a connecting through hole and a vent hole communicated with the connecting through hole are formed in the refrigerating seat; this application is through the intake pipe and the outlet duct of coaxial wearing to establish to freezing seat inner loop transport freezing gas, solidifies the fuse-element in freezing the core in order to cut off the fluid intercommunication between input tube and the output tube, is convenient for change the measuring pump fast, safely under the state of not shutting down.

Description

Refrigerating device for chemical fiber spinning production line

Technical Field

The application relates to the technical field of spinning, in particular to a refrigerating device for a chemical fiber spinning production line.

Background

In a chemical fiber spinning production line, dried materials are sliced and then melted by a screw extruder to be made into melt suitable for spinning, under the action of the continuous extrusion thrust of the extruder, the melt is sent into a metering pump through a melt pipeline, the metering pump conveys the melt to a spinning assembly after accurate metering, uniform and consistent strand silk is sprayed out from a spinneret plate, is cooled and formed by cross air blowing, is then drafted into a winder after being oiled by an oiling agent, and is finally wound and formed. In actual spinning production, when the phenomenon of card pump appears in the measuring pump or need change the variety, need change the measuring pump, but at the spinning in-process, be flooded a large amount of high temperature materials in the measuring pump, the circulation that need cut off the material just can get off the safe dismantlement of measuring pump, need many measuring pumps simultaneous workings in the general spinning production, when one of them measuring pump goes wrong and need change the pump, need all shut down, can cause a large amount of raw materials extravagant like this.

The utility model aims at solving the problem that the measuring pump is inconvenient to replace and raw materials are easily wasted in the prior art.

SUMMERY OF THE UTILITY MODEL

In order to achieve the purpose, the following technical scheme is adopted in the application: a refrigerating device for a chemical fiber spinning production line comprises a freezing seat arranged in a spinning box, a freezing core arranged in the freezing seat in a penetrating mode, an input pipe inserted at one end of the freezing core, an output pipe inserted at the other end of the freezing core, an air outlet pipe inserted on the freezing seat and an air inlet pipe arranged in the air outlet pipe in a penetrating mode, wherein a connecting through hole and a vent hole communicated with the connecting through hole are formed in the freezing seat, a conveying channel is formed in the freezing core to communicate the input pipe with the output pipe, the freezing core is coaxially arranged in the connecting through hole in a penetrating mode, a freezing chamber is formed between the outer surface of the freezing core and the hole wall of the connecting through hole, an air inlet channel communicated with the freezing chamber is formed in the air inlet pipe, and an air outlet channel communicated with the freezing chamber is formed between the outer surface of the air inlet pipe and the inner wall of the air outlet pipe.

In the above technical solution, it is further preferable that an outer surface of the freezing core is recessed radially inward, and the outer surface of the freezing core is arc-shaped.

In the above technical solution, it is further preferred that the air inlet pipe and the air outlet pipe are both circular steel pipes, and an outer diameter of the air inlet pipe is smaller than an inner diameter of the air outlet pipe.

In the above technical solution, it is further preferable that the air inlet pipe has a first end inserted into the freezing seat and a second end far away from the freezing seat, the air outlet pipe has a third end inserted into the freezing seat and a fourth end far away from the freezing seat, a distance between the first end and the freezing core is smaller than a distance between the third end and the freezing core, and a distance between the second end and the freezing seat is larger than a distance between the fourth end and the freezing seat.

In the above technical solution, it is further preferable that the refrigerating apparatus further includes an air inlet pipe joint, a refrigerating joint, and a three-way member, the three-way member has a first interface, a second interface, and an air outlet, the three-way member is sleeved on the air inlet pipe, a fourth end of the air outlet pipe is connected with the first interface in a matching manner, and the air outlet is communicated with the air outlet channel; freezing one end of connecting with the second interface and the second end cooperation of intake pipe connect, freezing one end shutoff of connecting be in the tee bend with the intake pipe between, freezing another end of connecting with the intake pipe connect the cooperation and be connected, the intake pipe connect pass through freezing connect with inlet channel intercommunication.

In the above technical solution, it is further preferable that the freezing joint is respectively in threaded connection with the air inlet pipe joint and the three-way joint.

In the above technical solution, it is further preferable that the air outlet pipe is in threaded connection with the three-way member.

Compared with the prior art, the application has the following beneficial effects:

this application is through the intake pipe and the outlet duct of coaxial wearing to establish, to freezing seat inner loop transport with output freezing gas, freezing gas after getting into the freezing chamber between freezing seat and the freezing core for the fuse-element in the freezing core solidifies, with the fluid intercommunication between cutting off input tube and the output tube, is convenient for change the measuring pump fast, safely under the state of not shutting down.

Drawings

Fig. 1 is a schematic structural diagram of a freezing device for a chemical fiber spinning production line according to an embodiment of the present application.

Wherein: 1. a freezing seat; 101. a connecting through hole; 102. a vent hole; 103. a freezing chamber; 2. freezing the core; 201. a delivery channel; 202. an outer surface; 3. an input tube; 4. an output pipe; 5. an air inlet pipe; 501. an air intake passage; 51. a first end portion; 52. a second end portion; 6. an air outlet pipe; 601. an air outlet channel; 61. a third end portion; 62. a fourth end portion; 7. an air inlet pipe joint; 8. a freezing joint; 9. a tee fitting; 901. an air outlet chamber; 91. a first interface; 92. a second interface; 93. and an air outlet.

Detailed Description

To explain the technical content, the structural features, the achieved objects and the functions of the application in detail, the technical solutions in the embodiments of the application will be described below with reference to the drawings in the embodiments of the application, and it is obvious that the described embodiments are only a part of the embodiments of the application, and not all embodiments. In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a detailed description of various exemplary embodiments or implementations of the invention. However, various exemplary embodiments may be practiced without these specific details or with one or more equivalent arrangements. Moreover, the various exemplary embodiments may be different, but are not necessarily exclusive. For example, the particular shapes, configurations and characteristics of the exemplary embodiments may be used or implemented in another exemplary embodiment without departing from the inventive concept.

In the following, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified.

As used herein, "upper", "lower", "front", "back" and "upper", "lower", "front" and "back" are in accordance with the description of FIG. 1.

In the present application, unless expressly stated or limited otherwise, the term "coupled" is to be construed broadly, e.g., "coupled" may be a fixed connection, a removable connection, or an integral part; may be directly connected or indirectly connected through an intermediate.

The embodiment of the application provides a refrigerating plant for chemical fiber spinning produces line, this refrigerating plant installs in the spinning incasement that chemical fiber spinning produced the line, and connect between extruder and measuring pump, with the fluid expert between control extruder and the measuring pump, it is disconnected, as shown in fig. 1, this refrigerating plant includes freezing seat 1, freezing core 2, input tube 3, output tube 4, intake pipe 5 and outlet duct 6, input tube 3 and output tube 4 are all inserted and are established on freezing core 2, intake pipe 5 and outlet duct 6 are all inserted and are established on freezing seat 1, and the coaxial cover of outlet duct 6 is established in intake pipe 5.

Freezing seat 1 is fixed to be set up on the boxboard 10 of spinning case, has seted up on freezing seat 1 and has run through the connecting through hole 101 of freezing seat 1 and the air vent 102 of intercommunication connecting through hole 101, and connecting through hole 101 extends along the fore-and-aft direction, and the pore wall of connecting through hole 101 reaches higher roughness through the correct grinding to prevent that the fuse-element from gluing on the pore wall of connecting through hole 101. The vent hole 102 extends in the radial direction of the connecting through hole 101, and the vent hole 102 communicates with the connecting through hole 101.

The freezing core 2 is arranged in the connecting through hole 101 in a penetrating way, a conveying channel 201 extending along the front-back direction is arranged in the freezing core, the input pipe 3 is inserted into one end part of the conveying channel 201, the output pipe 4 is inserted into the other end part of the conveying channel 201, and the input pipe 3 and the output pipe 4 are communicated through the conveying channel 201. The freezing core 2 is also provided with an outer surface 202 which is recessed inwards in the radial direction, the outer surface 202 of the freezing core 2 is in a circular arc structure, the outer surface 202 and the wall surface of the connecting through hole 101 form a freezing chamber 103 between the freezing seat 1 and the freezing core 2, and the freezing chamber 103 is communicated with the vent hole 102. In this embodiment, the material of the freezing core 2 is stainless steel, which is resistant to high temperature and low temperature, and the outer surface 202 of the freezing core 2 and the wall surface of the conveying channel 201 both have higher surface roughness, so as to prevent the melt from sticking to the freezing core 2, and improve the conveying efficiency.

Input tube 3 and output tube 4 all weld on freezing core 2, realize input tube 3 and output tube 4 and freezing core 2 between sealed, the tang that freezing core 2 and input tube 3 and output tube 4 are connected is not provided with the chamfer, avoids the fuse-element of carrying to reveal, improves the leakproofness. The freezing core 2 is welded on the freezing seat 1, and the sealing of the freezing chamber 103 is realized. The input pipe 3 is connected with the extruder, the output pipe 4 is connected with the metering pump, the extruder is communicated with the metering pump through the input pipe 3 and the output pipe 4 which are mutually communicated, and the melt extruded by the extruder enters the freezing core 2 through the input pipe 3 and is output to the metering pump through the output pipe 4.

The air inlet pipe 5 and the air outlet pipe 6 are both round steel pipes, the outer diameter of the air inlet pipe 5 is smaller than the inner diameter of the air outlet pipe 6, the air inlet pipe 5 is arranged in the air outlet pipe 6 in a penetrating mode, and the air inlet pipe 5 and the air outlet pipe are coaxially arranged in the vent hole 102. A gap is formed between the outer surface of the intake duct 5 and the ventilation hole 102, and an intake passage 501 extending in the up-down direction is formed in the intake duct 5; the air outlet pipe 6 is inserted into the air vent 102 and welded on the freezing seat 1 to prevent air from leaking out of the connection part of the air outlet pipe 6 and the freezing seat 1. An air outlet channel 601 is formed between the outer surface of the air inlet pipe 5 and the inner wall surface of the air outlet pipe 6, and the air inlet channel 501 and the air outlet channel 601 are both communicated with the freezing chamber 103. In the embodiment of the present application, the material of the inlet pipe 5 and the outlet pipe 6 is stainless steel, and both can bear the freezing gas and the high-temperature gas.

The air inlet pipe 5 is provided with a first end part 51 inserted into the freezing seat 1 and a second end part 52 far away from the freezing seat 1, and the air outlet pipe 6 is provided with a third end part 61 inserted into the freezing seat 1 and a fourth end part 62 far away from the freezing seat 1; the first end 51 is located below the third end 61, closer to the freezing cores 2; the second end 52 is located above the fourth end 62 and is spaced further from the freezer seat 1 than the fourth end 62.

The refrigerating device further comprises an air inlet pipe joint 7, a refrigerating joint 8 and a three-way piece 9, wherein the three-way piece 9 is provided with a first connector 91, a second connector 92 and an air outlet 93, the first connector 91 and the second connector 92 are arranged up and down oppositely, and the air outlet 93 is communicated with the first connector 91 and the second connector 92. The three-way piece 9 is sleeved on the air inlet pipe 5 and is welded with the air inlet pipe 5; the fourth end 62 of the air outlet pipe 6 is in threaded connection with the first connector 91 of the three-way member 9, the lower end of the freezing joint 8 is in threaded connection with the second connector 92 of the three-way member 9, an air outlet chamber 901 is formed by the lower end of the freezing joint 8, the upper end of the air outlet pipe 6, the outer surface of the air inlet pipe 5 and the inner wall surface of the three-way member 9, and the air outlet chamber 901 is communicated with the air outlet 93 and is communicated with the freezing chamber 103 through an air outlet channel 601.

The freezing joint 8 is sealed between the three-way member 9 and the second end 52 of the air inlet pipe 5, and prevents the gas in the gas outlet chamber 901 from leaking out of the second port 92. Air inlet pipe joint 7 and freezing upper end threaded connection who connects 8, freezing joint 8 with inlet channel 501 and air inlet pipe joint 7 intercommunication, air inlet pipe joint 7 is connected with freezing air supply, with freezing gaseous through freezing joint 8 carry the inlet channel 501 of intake pipe 5 in. The freezing gas source conveys the freezing gas to the gas inlet pipe 5 through the gas inlet pipe joint 7, the freezing gas is conveyed to the freezing chamber 103 through the gas inlet passage 501, after the heat exchange between the freezing gas and the freezing core 2, the heated gas is conveyed to the gas outlet chamber 901 through the gas outlet passage 601, and then is output to the freezing device through the gas outlet 93; the freezing gas exchanges heat with the freezing core 2 in the freezing chamber 103 to reduce the heat of the freezing core 2, so that the melt in the conveying channel 201 is solidified at a low temperature, and the fluid communication between the input pipe 3 and the output pipe 4 is blocked. The freezing gas source, the gas inlet channel 501, the freezing chamber 103, the gas outlet channel 601, the gas outlet chamber 901 and the gas outlet 93 are sequentially communicated to form a gas passage, so that the freezing gas enters the freezing device and is output to the freezing device after exchanging heat with the freezing core 2, and the gas inlet pipe 5 and the gas outlet pipe 6 which are coaxially arranged save the occupied space of the device.

The working principle of this application does: the extruder extrudes the melt to be conveyed into the freezing device from the input pipe 3, the melt flows through the conveying channel 201 in the freezing core 2 and is conveyed to the metering pump through the output pipe 4 communicated with the conveying channel 201, and when the metering pump needs to be replaced, the fluid communication between the input pipe 3 and the output pipe 4 needs to be disconnected; freezing gas source conveys freezing gas to air inlet pipe joint 7, freezing gas enters into freezing chamber 103 from air inlet channel 501 in air inlet pipe 5, the freezing gas of continuous input exchanges heat with freezing core 2 in order to reduce the temperature of freezing core 2, the freezing core 2 that the temperature reduces makes the fuse-element of conveying in transfer passage 201 solidify at low temperature, the fluid intercommunication between input tube 3 and output tube 4 is blocked to the fuse-element of solidifying, the change of the measuring pump of being convenient for.

This application is through intake pipe 5 and the outlet duct 6 of coaxial wearing to establish, to freezing seat 1 inner loop transport with the freezing gas of output, freezing gas is behind the freezing chamber 103 that gets into between freezing seat 1 and the freezing core 2 for the fuse-element in the freezing core 2 solidifies, with the fluid intercommunication between cutting off input tube 3 and output tube 4, is convenient for change the measuring pump fast, safely under the state of not shutting down.

The foregoing shows and describes the general principles, essential features, and advantages of the application. It will be understood by those skilled in the art that the present application is not limited to the embodiments described above, which are presented solely for purposes of illustrating the principles of the application, and that various changes and modifications may be made without departing from the spirit and scope of the application, which is defined by the appended claims, the specification, and equivalents thereof.

Claims

1. The refrigerating device for the chemical fiber spinning production line is characterized by comprising a refrigerating seat arranged in a spinning box, a freezing core arranged in the refrigerating seat in a penetrating mode, an input pipe inserted into one end portion of the freezing core, an output pipe inserted into the other end portion of the freezing core, an air outlet pipe inserted into the freezing seat and an air inlet pipe arranged in the air outlet pipe in a penetrating mode, a connecting through hole and an air vent communicated with the connecting through hole are formed in the freezing seat, a conveying channel is formed in the freezing core and communicated with the input pipe and the output pipe, the freezing core is coaxially arranged in the connecting through hole in a penetrating mode, a freezing chamber is formed on the outer surface of the freezing core and the hole wall of the connecting through hole, an air inlet channel communicated with the freezing chamber is formed in the air inlet pipe, and an air outlet channel communicated with the freezing chamber is formed on the outer surface of the air outlet pipe and the inner wall surface of the air inlet pipe.

2. The freezing device for a chemical fiber spinning production line according to claim 1, wherein an outer surface of the freezing core is radially inwardly recessed, and the outer surface of the freezing core is arc-shaped.

3. The freezing device for a chemical fiber spinning production line according to claim 1, wherein the air inlet pipe and the air outlet pipe are both round steel pipes, and the outer diameter of the air inlet pipe is smaller than the inner diameter of the air outlet pipe.

4. The freezing device for a chemical fiber spinning production line according to claim 1, wherein the air inlet pipe has a first end inserted into the freezing seat and a second end far away from the freezing seat, the air outlet pipe has a third end inserted into the freezing seat and a fourth end far away from the freezing seat, a distance between the first end and the freezing core is smaller than a distance between the third end and the freezing core, and a distance between the second end and the freezing seat is larger than a distance between the fourth end and the freezing seat.

5. The freezing device for a chemical fiber spinning production line according to claim 4, wherein the freezing device further comprises an air inlet pipe joint, a freezing joint and a tee joint, the tee joint is provided with a first connector, a second connector and an air outlet, the tee joint is sleeved on the air inlet pipe, the fourth end of the air outlet pipe is connected with the first connector in a matched manner, and the air outlet is communicated with the air outlet channel; freezing one end of connecting with the second interface and the second end cooperation of intake pipe connect, freezing one end shutoff of connecting be in the tee bend with the intake pipe between, freezing another end of connecting with the intake pipe connect the cooperation and be connected, the intake pipe connect pass through freezing connect with inlet channel intercommunication.

6. The freezing device for chemical fiber spinning production line according to claim 5, wherein the freezing joint is respectively in threaded connection with the air inlet pipe joint and the tee joint.

7. The freezing device for chemical fiber spinning production line according to claim 5, wherein the air outlet pipe is in threaded connection with the three-way member.