Condensation tank device for chemical fiber spinning

Abstract

The utility model discloses a condensation tank device for chemical fiber spinning, which is mounted at the highest position of a heating system of chemical fiber spinning equipment and comprises a tank support, a condensation tank mounted on the tank support in a suspended manner, and a pressure gauge and a platinum resistor which are mounted on the condensation tank, the condensation tank comprises a first plug, a tank body and a second plug which are coaxially arranged from top to bottom, the first plug and the second plug are connected to the upper end and the lower end of the tank body respectively and form a condensation space with the tank body, an air inlet pipe is connected to the tank body in an inserted mode, an exhaust pipe is connected to the first plug in an inserted mode, and a backflow pipe is connected to the second plug in an inserted mode; the pressure gauge is mounted on the first plug, avoids the exhaust pipe and is used for measuring the pressure in the condensation tank; the platinum resistor is mounted on the second plug and is used for measuring the temperature in the condensation tank; the heating system of the chemical fiber spinning equipment is subjected to temperature monitoring and pressure monitoring, pressure fluctuation is buffered, and the operation stability is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of condensing vessel, in particular to a condensing tank device for chemical fiber spinning. BACKGROUND

[0002] After drying, the high polymer chip is melted by a screw extruder to form a melt suitable for spinning. Under the continuous extrusion thrust of the extruder, the melt is sent into a metering pump through a melt pipeline. After accurate metering by the metering pump, the melt enters a spinning assembly. The spinneret in the assembly sprays uniform filaments, which are cooled and formed by side blowing, oiled, drawn, and finally wound into a roll by a winder. In this process, the entire system needs to be heated by biphenyl vapor. As an important component of the biphenyl system, the condensing tank device needs to monitor the temperature and pressure of the entire system and buffer to prevent impact on the system during pressure fluctuations. SUMMARY

[0003] To solve the above technical problems, the purpose of the present application is to provide a condensing tank device for chemical fiber spinning.

[0004] To achieve the above purpose, the technical scheme adopted by the present application is as follows: a condensing tank device for chemical fiber spinning is installed at the highest point of the heating system of a chemical fiber spinning device. The condensing tank device comprises:

[0005] a tank support;

[0006] a condensing tank suspended on the tank support, the condensing tank comprising a first plug, a tank body and a second plug arranged coaxially from top to bottom, the first plug and the second plug being connected to the upper end and the lower end of the tank body respectively and forming a condensing space with the tank body, the tank body being inserted with an air inlet pipe connected to the condensing space, the first plug being inserted with an exhaust pipe connected to the condensing space, and the second plug being inserted with a return pipe connected to the condensing space;

[0007] a pressure gauge installed on the first plug and avoiding the exhaust pipe, the pressure gauge being used to measure the pressure in the condensing tank; and

[0008] a platinum resistance installed on the second plug, used to measure the temperature in the condensing tank.

[0009] In the above technical scheme, further preferably, the tank support comprises a vertical column extending in the up-down direction and a tank seat installed at the upper end of the vertical column, and the tank body is connected to the tank seat.

[0010] In the above technical solution, further preferably, the exhaust pipe and the backflow pipe are coaxially arranged with the tank body.

[0011] In the above technical solution, further preferably, the air inlet pipe is radially inserted into the tank body, the air inlet pipe has a first end portion located in the condensation space and a second end portion located outside the tank body, and the first end portion is adjacent to the axial line of the tank body.

[0012] In the above technical solution, further preferably, a pressure gauge seat is inserted into the first plug, the pressure gauge is located outside the condensation tank and is screw-connected with the pressure gauge seat.

[0013] In the above technical solution, further preferably, the pressure gauge is an electric contact pressure gauge.

[0014] In the above technical solution, further preferably, a platinum resistance tube seat is inserted into the second plug, at least part of the platinum resistance tube seat extends into the condensation space, and the platinum resistance is located outside the condensation tank and is screw-connected with the platinum resistance tube seat.

[0015] Compared with the prior art, the present application has the following beneficial effects:

[0016] The condensation tank device of the present application monitors the temperature and pressure of the heating system of the chemical fiber spinning equipment, and realizes buffering during pressure fluctuation of the heating system, so as to avoid impact on the heating system when the pressure fluctuation is large, and improve the stability of equipment operation. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 A structure schematic diagram of a condensation tank device provided by an embodiment of the present application is shown in the figure.

[0018] Figure 2 A sectional view along the A-A line in the figure. Figure 1

[0019] 100, condensation tank device; 1, tank support; 11, stand column; 12, tank seat; 2, condensation tank; 21, first plug; 22, tank body; 23, second plug; 24, condensation space; 25, air inlet pipe; 26, exhaust pipe; 27, backflow pipe; 3, pressure gauge; 4, platinum resistance; 5, pressure gauge seat; 6, platinum resistance tube seat. DETAILED DESCRIPTION

[0020] ​To describe the technical solutions of the embodiments of the present application in detail, the technical solutions of the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments. In the following description, for the purpose of explanation, numerous specific details are set forth in order to provide a thorough understanding of various exemplary embodiments or implementations of the present application. However, various exemplary embodiments can also be practiced without these specific details or in one or more equivalent arrangements. In addition, various exemplary embodiments can be different, but not necessarily exclusive. For example, the specific shape, structure and characteristics of the exemplary embodiments can be used or implemented in another exemplary embodiment without departing from the inventive concept.

[0021] The embodiment of the present application provides a condenser device for chemical fiber spinning, the chemical fiber spinning device has a heating system constantly providing biphenyl vapor, the heating system has a heating boiler and a conveying pipeline, the heating boiler is used for heating biphenyl liquid, and the biphenyl vapor after heating and gasification enters various components of the chemical fiber spinning device through the conveying pipeline, the condenser device 100 is installed at the highest position of the heating system of the chemical fiber spinning device and is in communication with the heating system, the condenser device 100 monitors the temperature and pressure of the heating system, and stable operation of the heating system is facilitated.

[0022] As shown in Figure 1 , 2 The condenser device 100 comprises a tank support 1, a condenser 2 installed on the tank support 1 and a pressure gauge 3 and a platinum resistance 4 installed on the condenser 2, the tank support 1 is used for suspending and supporting the condenser 2 in the chemical fiber spinning device, the pressure gauge 3 is used for detecting the pressure in the condenser 2, and the platinum resistance 4 is used for detecting the temperature in the condenser 2.

[0023] The tank support 1 comprises a column 11 extending in the up-down direction and a tank seat 12 installed on the upper end of the column 11, the tank body 22 is connected with the tank seat 12, and the tank support 1 can stably support the condenser 2.

[0024] The condensing tank 2 comprises a first plug 21, a tank body 22 and a second plug 23 coaxially arranged from top to bottom, the first plug 21 and the second plug 23 respectively seal the upper end and the lower end of the tank body 22, the first plug 21 and the second plug 23 form a condensing space 24 with the tank body 22, and the condensing space 24 can contain biphenyl vapor and biphenyl liquid. The tank body 22 is inserted with a gas inlet pipe 25 connected with the condensing space 24, so that the biphenyl vapor enters the condensing space 24; the first plug 21 is inserted with an exhaust pipe 26 connected with the condensing space 24, so that the water vapor in the biphenyl vapor is discharged from the condensing tank 2; and the second plug 23 is inserted with a return pipe 27 connected with the condensing space 24, so that the biphenyl liquid returns to the biphenyl boiler. The gas inlet pipe 25 is connected with the conveying pipeline of the heating system; the return pipe 27 is connected with the heating boiler, and the condensed biphenyl liquid returns to the heating boiler for reheating through the return pipe 27. The exhaust pipe 26 and the return pipe 27 are coaxially arranged with the tank body 22, according to the physical properties of the biphenyl vapor and the biphenyl liquid, the exhaust pipe 26 is arranged at the top of the condensing space 24 to discharge the biphenyl vapor upward, and the return pipe 27 is arranged at the bottom of the condensing space 24 to flow the biphenyl liquid downward.

[0025] The gas inlet pipe 25 is radially inserted into the tank body 22 and extends into the condensing space 24, the gas inlet pipe 25 has a first end portion 251 located in the condensing space 24 and a second end portion 252 located outside the tank body 22, and the first end portion 251 is adjacent to the axis X1 of the tank body 22.

[0026] The gas inlet pipe 25, the exhaust pipe 26 and the return pipe 27 are all circular seamless steel pipes made of No. 20 steel. After the gas inlet pipe 25, the exhaust pipe 26 and the return pipe 27 are respectively inserted into the tank body 22, the first plug 21 and the second plug 23, they are welded with the tank body 22, the first plug 21 and the second plug 23, so as to avoid the leakage of the biphenyl vapor or the biphenyl liquid.

[0027] As shown in Figure 1 , 2 , the pressure gauge 3 is installed on the first plug 21 through the pressure gauge seat 5, the pressure gauge 3 is arranged away from the exhaust pipe 26, the pressure gauge seat 5 is inserted on the first plug 21 and welded with the first plug 21, the pressure gauge 3 is screw-connected on the pressure gauge seat 5 outside the condensing tank 2, the pressure gauge 3 is connected with the condensing space through the pressure gauge seat 5, so as to measure the pressure in the condensing tank 2. In the embodiment of the application, the pressure gauge 3 is an electric contact pressure gauge.

[0028] As shown in Figure 2As shown, the platinum resistance 4 is mounted on the second plug 23 through the platinum resistance tube holder 6, the platinum resistance 4 is arranged away from the reflux pipe 27, the platinum resistance tube holder 6 is inserted on the second plug 23 and welded with the second plug 23, the platinum resistance 4 is spirally connected on the platinum resistance tube holder 6 outside the condensing tank 2, the platinum resistance 4 is communicated with the condensing space through the platinum resistance tube holder 6, so as to measure the temperature in the condensing tank 2.

[0029] The working principle of the present application is that the heating boiler of the heating system heats the biphenyl liquid, the heated biphenyl vapor enters each part of the chemical fiber spinning equipment through the conveying pipeline, the biphenyl vapor fills the entire chemical fiber spinning equipment, and then enters the condensing tank 2 at the highest position of the heating system through the gas inlet pipe 25, the large volume of the condensing tank 2 can release the pressure of the biphenyl vapor entering the condensing space 24, the water vapor mixed in the biphenyl vapor is discharged through the exhaust pipe 26 at the top, and the biphenyl vapor flows back into the heating boiler through the reflux pipe 27 at the bottom to be heated again.

[0030] The above shows and describes the basic principle, main features and advantages of the present application. It should be understood by those skilled in the art that the present application is not limited to the above embodiments, the above embodiments and descriptions in the specification are only to illustrate the principle of the present application, various changes and improvements can be made without departing from the spirit and scope of the present application, and the scope of protection of the present application is defined by the appended claims, the specification and their equivalents.

Claims

1. A condensing tank device for chemical fiber spinning, installed at the highest point of a heating system of a chemical fiber spinning apparatus, characterized in that, The condensing tank device comprises: a tank support; a condensing tank suspended on the tank support, the condensing tank comprising a first end cap, a tank body and a second end cap coaxially arranged from top to bottom, the first end cap and the second end cap being connected to upper and lower ends of the tank body respectively and forming a condensing space with the tank body, a gas inlet pipe being inserted into the tank body and communicating with the condensing space, an exhaust pipe being inserted into the first end cap and communicating with the condensing space, and a return pipe being inserted into the second end cap and communicating with the condensing space; a pressure gauge installed on the first end cap and avoiding the exhaust pipe, the pressure gauge being used to measure the pressure in the condensing tank; and a platinum resistance installed on the second end cap and used to measure the temperature in the condensing tank.

2. The condensate tank arrangement of claim 1, wherein, The tank support comprises a vertical column extending in the vertical direction and a tank seat installed on the upper end of the vertical column, and the tank body is connected to the tank seat.

3. The condensate tank arrangement of claim 1, wherein, The exhaust pipe and the return pipe are coaxially arranged with the tank body.

4. The condensate tank arrangement of claim 1, wherein, The gas inlet pipe is radially inserted into the tank body, the gas inlet pipe having a first end in the condensing space and a second end outside the tank body, and the first end being adjacent to the axial line of the tank body.

5. The condensate tank arrangement of claim 1, wherein, A pressure gauge seat is inserted into the first end cap, the pressure gauge being located outside the condensing tank and being screw-connected with the pressure gauge seat.

6. The condensate tank arrangement of claim 5, wherein, The pressure gauge is an electric contact pressure gauge.

7. The condensate tank apparatus of claim 1, wherein, A platinum resistance pipe seat is inserted into the second end cap, at least part of the platinum resistance pipe seat extending into the condensing space, and the platinum resistance being located outside the condensing tank and being screw-connected with the platinum resistance pipe seat.

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