Fiber washing heating device

Abstract

The utility model relates to the technical field of textile equipment, and particularly discloses a fiber washing heating device which is matched with a spinning machine for use and comprises a steam-liquid mixer for mixing water and steam, a hot water tank connected with the steam-liquid mixer, a high-level tank connected with the hot water tank and a hot water pump arranged between the high-level tank and the hot water tank. And the high-level tank is connected with the spinning machine. By arranging the steam-liquid mixer, almost all steam heat energy is converted into hot water, and the heat energy conversion rate is increased; the structure is simple;

Description

Technical Field

[0001] The utility model relates to the technical field of textile equipment, and more particularly to a fiber washing and heating device. Background Art

[0002] Aramid III fiber (heterocyclic aramid) refers to a type of para-aramid fiber containing aromatic heterocycles in its main chain, typically benzimidazole rings. According to theoretical calculations, fibers synthesized by the ternary polycondensation of p-phenylenediamine, terephthaloyl chloride, and benzimidazole diamines can achieve strengths of 4.5 to 5.5 GPa and possess high thermal stability. The decomposition temperature of heterocyclic aromatic polyamide fibers can reach 550°C, making them suitable for use in defense, aviation, aerospace, shipbuilding, automotive, and other industries.

[0003] Heterocyclic aromatic polyamide fiber (aramid III) is made of p-phenylenediamine, p-dibenzoyl chloride, and 5(6)-amino-2-(p-aminophenyl)benzimidazole as raw materials. It is prepared by mixing, co-condensing, telomerizing, forced filtering, and degassing to obtain a high molecular weight polymer solution (spinning pulp), which is then wet-spun, washed, dried, and subjected to high-temperature heat treatment.

[0004] In the prior art, wet spinning water washing liquid heating devices are often used to achieve this. They usually adopt indirect heat exchange equipment, using the latent heat released during the steam condensation process to heat the water to the process temperature (40-90) ° C. The condensed water is discharged with the waste heat, and the heat energy conversion rate is low. There is also a direct heat exchange method, which directly passes the steam condensate into a hot water tank to utilize the latent heat and waste heat of the steam, thereby improving the heat conversion rate. However, in this method, during the contact between steam and water, the steam-to-liquid generates vibration and noise. When the steam is too large, the excess hot steam is vented and discharged, and the heat energy cannot be maximized. Utility Model Content

[0005] The technical problem to be solved by the utility model is to provide a fiber washing and heating device for washing fibers in a wet spinning machine, removing organic solvents and soluble impurities in the fibers, and being able to convert all steam into hot water, thereby improving the heat energy conversion rate and being energy-saving and environmentally friendly.

[0006] The solution adopted by the utility model to solve the technical problem is:

[0007] A fiber washing and heating device is used in conjunction with a spinning machine, comprising a gas-liquid mixer for mixing water and steam, a hot water tank connected to the gas-liquid mixer, a high-level tank connected to the hot water tank, and a hot water pump arranged between the high-level tank and the hot water tank; the high-level tank is connected to the spinning machine.

[0008] In some possible embodiments, a heat exchanger connected to the vapor-liquid mixer is further included, wherein the shell-side outlet of the heat exchanger is connected to the vapor-liquid mixer via a water supply pipe; the shell-side inlet of the heat exchanger is externally connected to a water supply pipe; and a mixed liquid pipe is connected between the outlet of the vapor-liquid mixer and the top of the hot water tank.

[0009] In some possible implementations, the invention further includes a wastewater pump connected to the wastewater outlet of the spinning machine and the pipe-side inlet of the heat exchanger respectively.

[0010] In some possible implementations, the vapor-liquid mixer is externally connected to a steam pipe, and a flow regulating valve is provided on the steam pipe; and a temperature testing component is provided on the hot water tank.

[0011] In some possible implementations, a hot water pipe is provided between the outlet of the hot water tank and the inlet of the high-level tank, and the hot water pump is provided on the hot water pipe.

[0012] In some possible implementations, overflow port 1 is provided on the top of the hot water tank, and an overflow pipe is externally connected to the overflow port 1; overflow port 2 is provided on the top of the high-position tank, and a countercurrent pipe is connected between the hot water tank and overflow port 2.

[0013] In some possible implementations, the other end of the overflow pipe is connected to the tube-side inlet of the heat exchanger.

[0014] In some possible implementations, a second flow regulating valve is provided on the water supply pipe; and liquid level testing components are provided on the hot water tank and the high-level tank, respectively.

[0015] In some possible implementations, a second temperature testing component is provided on the high-level tank.

[0016] In some possible implementations, an air breathing valve is provided on the hot water tank and the high-level tank, respectively.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] The utility model converts almost all of the steam heat energy into hot water by setting up a steam-liquid mixer, thereby improving the heat energy conversion rate;

[0019] The utility model heat exchanger realizes secondary utilization of heat energy by exchanging waste water with hot water overflowed from hot water tank, which is energy-saving and environmentally friendly.

[0020] The utility model can effectively adjust the temperature of hot water in the hot water tank through the flow regulating valve and the temperature testing component.

[0021] The utility model can effectively control and adjust the water volume and water temperature through the liquid level testing component and the flow regulating valve. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a structural diagram of the utility model;

[0023] Among them: 1. Steam-liquid mixer; 2. Hot water tank; 21. Liquid level test assembly; 22. Temperature test assembly 1; 23. Air breathing valve; 3. High-level tank; 31. Temperature test assembly 2; 4. Hot water pump; 5. Heat exchanger; 6. Wastewater pump; 10. Steam pipe; 11. Flow control valve 1; 20. Water supply pipe; 30. Water supply pipe; 301. Flow control valve 2; 40. Mixed liquid pipe; 50. Hot water pipe; 60. Output pipe; 70. Wastewater pipe; 80. Overflow pipe; 90. Countercurrent pipe; 100. Return pipe. DETAILED DESCRIPTION

[0024] In this application, unless otherwise specified or limited, terms such as "mounted," "connected," "connect," and "fixed" should be interpreted broadly. For example, they can refer to fixed connections, removable connections, or integration; they can refer to direct connections or indirect connections through an intermediary; they can refer to internal communication between two components or interactions between two components. The terms "first," "second," and similar terms mentioned in this application do not denote any order, quantity, or importance; they are simply used to distinguish between different components. Similarly, terms such as "a" or "an" do not indicate a quantitative limitation; rather, they indicate the presence of at least one. In the implementation of this application, "and / or" describes an association relationship between associated objects, indicating that three possible relationships exist. For example, "A and / or B" can mean: A exists alone, A and B exist simultaneously, or B exists alone. In the description of the embodiments of this application, unless otherwise specified, "plurality" means two or more. For example, "plurality" refers to two or more positioning posts. Those skilled in the art will understand the specific meanings of these terms in this application based on the specific circumstances.

[0025] The utility model is described in detail below.

[0026] like Figure 1 As shown:

[0027] A fiber washing and heating device is used in conjunction with a spinning machine 200, comprising a gas-liquid mixer 1 for mixing water and steam, a hot water tank 2 connected to the outlet of the gas-liquid mixer 1, a high-level tank 3 connected to the outlet of the hot water tank 2, and a hot water pump 4 arranged between the high-level tank 3 and the hot water tank 2; the outlet of the high-level tank 3 is connected to the spinning machine 200; the spinning machine 200 is a wet spinning machine, and the water transported by the high-level tank 3 can remove organic solvents and soluble impurities in the fibers.

[0028] Water and steam are mixed in the gas-liquid mixer 1. After being evenly mixed, the heat energy generated by the steam is almost completely converted into hot water. The hot water is discharged into the hot water tank 2 and transported to the high-level tank 3 through the hot water pump 4. Since the high-level tank 3 is located higher than the hot water tank 2, it uses potential energy to flow the hot water into the spinning machine 200 for use. The spinning machine 200 generates wastewater for discharge when in use.

[0029] In some possible embodiments, since the wastewater generated by the spinning machine 200 is hot water, in order to make full use of the heat, a heat exchanger 5 connected to the gas-liquid mixer 1 is also included, and the shell-side outlet of the heat exchanger 5 is connected to the gas-liquid mixer 1 through a water supply pipe 20; the shell-side inlet of the heat exchanger 5 is externally connected to a water supply pipe 30; and a mixed liquid pipe 40 is connected between the outlet of the gas-liquid mixer 1 and the top of the hot water tank 2.

[0030] An output pipe 60 is provided between the high-level tank 3 and the spinning machine 200; a wastewater pipe 70 is provided between the spinning machine 200 and the heat exchanger 5; the wastewater is transported to the tube side of the heat exchanger 5 through the wastewater pipe 70, and the water entering the shell side of the heat exchanger through the water supply pipe 30 exchanges heat with the wastewater in the tube side when passing through the heat exchanger 5, so that the temperature of the water is increased, and then enters the gas-liquid mixer 1 through the water supply pipe 20; the heat of the wastewater is fully utilized, and the wastewater after heat exchange will be discharged.

[0031] In some possible embodiments, in order to effectively transport the wastewater discharged from the spinning machine 200 to the pipe side of the heat exchanger 5, a wastewater pump 6 is also included which is respectively connected to the wastewater outlet of the spinning machine 200 and the pipe side inlet of the heat exchanger 5, and the wastewater pump 6 is arranged on the wastewater pipe 70.

[0032] In some possible implementations, the vapor-liquid mixer 1 is externally connected to a steam pipe 10, and a flow regulating valve 11 is provided on the steam pipe 10; a temperature testing component 22 is provided on the hot water tank 2;

[0033] Specifically, one end of the steam pipe 10 is connected to the steam supply system. The steam generated by the steam supply system enters the steam-liquid mixer 1 through the steam pipe 10 and is evenly mixed with the water transported to the inside of the steam-liquid mixer 1 by the water pipe 20, thereby converting all the heat energy of the steam into hot water.

[0034] The flow regulating valve 11 is used to adjust the size of the steam flow, and the temperature testing component 22 is used to monitor the temperature of the water in the hot water tank 2, so that when in use, the steam flow can be adjusted according to the temperature in the hot water tank 2, and the mixing ratio of water and steam can be adjusted, thereby achieving the temperature adjustment of the water in the hot water tank 2.

[0035] In some possible embodiments, in order to effectively connect the hot water tank 2 and the high-level tank 3, a hot water pipe 50 is provided between the outlet of the hot water tank 2 and the inlet of the high-level tank 3, and the hot water pump 4 is provided on the hot water pipe 50; when in use, the hot water pump 4 is turned on, and the water in the hot water tank 2 will be pumped to the high-level tank 3 at a high position through the hot water pump 4.

[0036] In some possible embodiments, an overflow port 1 is provided on the top of the hot water tank 2, and an overflow pipe 80 is externally connected to the overflow port 1; an overflow port 2 is provided on the top of the high-level tank 3, and a counterflow pipe 90 is connected between the hot water tank 2 and the overflow port 2;

[0037] Specifically, in order to prevent the hot water from overflowing due to continuous hot water supply to the hot water tank 2 when the hot water in the hot water tank 2 reaches the maximum water storage capacity, an overflow port 1 is provided to effectively control the water storage capacity of the hot water tank 2. When the maximum water storage capacity is exceeded, the hot water will be discharged through the overflow pipe 80 connected to the overflow port 1. A control valve is provided on the overflow pipe 80. When the water storage capacity reaches the maximum, the control valve opens to discharge the excess hot water.

[0038] Similarly, in order to avoid overflow caused by continuous hot water supply to the high-level tank 3 when the high-level tank 3 reaches its maximum water storage capacity, the excess water is transported to the hot water tank 2 through the overflow port 2 in conjunction with the counterflow pipe 90;

[0039] The hot water pump is variable frequency controlled or fixed frequency controlled; when the hot water pump is fixed frequency controlled, a return pipe 100 is provided between the counterflow pipe 90 and the hot water pipe 50; the flow rate of the water in the high-level tank 3 pumped by the hot water pump is controlled by the return pipe;

[0040] Furthermore, a valve is provided on the return pipe 100, and by controlling the different openings of the valve, the size of the water flow diversion can be controlled to prevent the water storage capacity in the high-level tank 3 from exceeding the maximum water storage capacity.

[0041] Furthermore, the other end of the overflow pipe 80 is connected to the tube side inlet of the heat exchanger 5, so that the hot water discharged from the overflow pipe 80 can enter the tube side of the heat exchanger 5 and exchange heat with the water entering the shell side of the heat exchanger 5 through the water supply pipe 30, thereby realizing heat utilization;

[0042] In some possible implementations, a flow regulating valve 2 301 for regulating the water flow is provided on the water supply pipe 30; a liquid level testing assembly 21 for testing the liquid level of water is provided on the hot water tank 2 and the high level tank 3 respectively;

[0043] The liquid level detection component 21 of the hot water tank 2 monitors the liquid level of the hot water and adjusts the water flow rate through the second flow control valve 301;

[0044] The liquid level testing assembly 21 of the high-level tank 3 monitors the water level therein, and controls the flow rate of hot water pumped into the high-level tank 3 by controlling the rotation speed of the hot water pump 4 .

[0045] In some possible implementations, a temperature testing component 31 for monitoring the internal water temperature is provided on the high-level tank 3 .

[0046] In some possible implementations, air breathing valves 23 are provided on the hot water tank 2 and the high-level tank 3, respectively, so as to effectively adjust the pressure in the hot water tank 2 and the high-level tank 3 to avoid damage.

[0047] In the present invention, the hot water pump 4, the flow regulating valve 11, the temperature test assembly 22, the temperature test assembly 2 31, the flow regulating valve 2 301, the liquid level test assembly 21, and the wastewater pump 6 are all prior art, and their internal structures are not described in detail here;

[0048] In order to effectively realize automatic control, the present invention also includes a control module connected to the hot water pump 4, flow regulating valve 11, temperature testing component 1 22, temperature testing component 2 31, flow regulating valve 2 301, liquid level testing component 21, and wastewater pump 6 respectively; the control module can realize automatic control through data analysis; for example, the control module receives the monitoring data of the water temperature in the hot water tank 2 from the temperature testing component 1 22, analyzes the steam flow rate by controlling the flow regulating valve 11, so that when in use, the steam flow rate can be adjusted according to the temperature in the hot water pipe 50, and the mixing ratio of water and steam can be adjusted, thereby realizing the adjustment of the temperature of the water in the hot water tank 2; the liquid level testing component 21 and the flow regulating valve 2 301 are connected to the control module, which can effectively control and adjust the water volume.

[0049] The present invention is not limited to the aforementioned specific embodiments, but extends to any new features or any new combination disclosed in this specification, as well as any new method or process steps or any new combination disclosed.

Claims

1. A fiber washing and heating device, used in conjunction with a spinning machine, characterized in that: The invention comprises a gas-liquid mixer for mixing water and steam, a hot water tank connected to the gas-liquid mixer, a high-position tank connected to the hot water tank, and a hot water pump arranged between the high-position tank and the hot water tank; the high-position tank is connected to the spinning machine.

2. A fiber washing and heating device according to claim 1, characterized in that: It also includes a heat exchanger connected to the vapor-liquid mixer, the shell-side outlet of the heat exchanger is connected to the vapor-liquid mixer through a water supply pipeline; the shell-side inlet of the heat exchanger is externally connected to a water supply pipeline; and a mixed liquid pipeline is connected between the outlet of the vapor-liquid mixer and the top of the hot water tank.

3. A fiber washing and heating device according to claim 2, characterized in that: It also includes a wastewater pump which is respectively connected with the wastewater outlet of the spinning machine and the pipe side inlet of the heat exchanger.

4. A fiber washing and heating device according to claim 2, characterized in that: The vapor-liquid mixer is externally connected to a steam pipeline, on which a flow regulating valve is provided; and the hot water tank is provided with a temperature testing component.

5. The fiber washing and heating device according to claim 1, characterized in that: A hot water pipe is provided between the outlet of the hot water tank and the inlet of the high-position tank, and the hot water pump is provided on the hot water pipe.

6. A fiber washing and heating device according to claim 5, characterized in that: An overflow port 1 is provided on the top of the hot water tank, and an overflow pipe is externally connected to the overflow port 1; an overflow port 2 is provided on the top of the high-position tank, and a countercurrent pipe is connected between the hot water tank and the overflow port 2.

7. A fiber washing and heating device according to claim 6, characterized in that: The other end of the overflow pipe is connected to the tube side inlet of the heat exchanger.

8. The fiber washing and heating device according to claim 2, characterized in that: A second flow regulating valve is provided on the water supply pipeline; and liquid level testing components are respectively provided on the hot water tank and the high-level tank.

9. The fiber washing and heating device according to claim 1, characterized in that: A second temperature testing component is provided on the high-position tank.

10. The fiber washing and heating device according to claim 1, characterized in that: The hot water tank and the high-level tank are respectively provided with air breathing valves.

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