CN214572741U

CN214572741U - Exhaust heat release device of high-temperature dye vat

Info

Publication number: CN214572741U
Application number: CN202022983848.4U
Authority: CN
Inventors: 李爱华
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-10
Filing date: 2020-12-10
Publication date: 2021-11-02
Anticipated expiration: 2030-12-10

Abstract

The utility model relates to an exhaust heat release of high temperature dye vat, it has solved high temperature high pressure water container can not high-efficient retrieval and utilization, heat transfer cooling step-down inefficiency at cooling step-down in-process heat energy, and the technical problem of water waste resource can be controlled the water in the high temperature high pressure container of cooling in-process simultaneously again and not produce the boiling, satisfies the production technology requirement. The high-temperature dye vat heat exchanger is provided with a steam exhaust heat release device, the steam exhaust heat release device is communicated with the high-temperature dye vat through a water outlet pipeline and a water return pipeline, a circulating water pump is arranged on the water outlet pipeline, a phase change area is arranged at the upper end of the steam exhaust heat release device, a steam outlet is arranged at the upper end of the phase change area, a control valve is arranged on the steam outlet pipeline, a pressure balance device is arranged at the middle lower end of the steam exhaust heat release device, and the pressure balance device controls the pressure drop in a main container. The utility model discloses can be applied to the high temperature dye vat of textile printing and dyeing trade and other need the cooling step-down under high temperature high pressure state, especially require that the water in the cooling step-down in-process container does not produce boiling production facility and technology.

Description

Exhaust heat release device of high-temperature dye vat

Technical Field

The utility model relates to a textile printing and dyeing field relates to the high temperature dye vat of printing and dyeing trade cooling decompression under the high temperature state, and especially the process requires the jar that the water in the high temperature dye vat can not produce the boiling in the cooling process dyes equipment and other high temperature high pressure water container have the field of relevant requirement.

Background

In the high-temperature dye vat process in the printing and dyeing industry, the temperature needs to be reduced from about 135 ℃ to below 100 ℃, otherwise, the vat cannot be opened, and the water in the dye vat cannot be boiled in the cooling process, otherwise, the quality of the dyed cloth is influenced. The existing method generally adopts a cooling water heat exchange cooling and pressure reduction mode, which not only needs a large amount of cooling water, but also has low recycling value because the heat energy of the cooling water is excessive, and a plurality of enterprises can only release heat in the air through a cooling tower, thereby causing serious waste of heat energy and influencing atmospheric environment, and simultaneously causing overlong time for cooling and pressure reduction because the heat exchange efficiency is not high. The cooling water volume is large, the temperature is high, the heat energy waste is serious, and the problems which need to be solved universally in the textile printing and dyeing industry are solved urgently.

Disclosure of Invention

The utility model discloses a solve the current high temperature dye vat of printing and dyeing industry can not high-efficient retrieval and utilization at cooling step-down in-process heat energy, heat transfer cooling step-down inefficiency, extravagant heat energy and water resource to and satisfy the technical requirement that the water in the cooling in-process dye vat does not produce the boiling, provide a high temperature dye vat at cooling step-down in-process, can realize energy-conservation increase, water conservation reduces discharging, improve production efficiency, can realize again that the water in the high temperature dye vat does not produce the exothermic heat sink of high temperature steam discharging of boiling.

The utility model provides a be equipped with the heat release of exhaust steam, the heat release of exhaust steam passes through outlet pipe way and return water pipeline and high temperature dye vat intercommunication, be equipped with circulating water pump on the outlet pipe way, the well lower extreme of the heat release of exhaust steam is equipped with pressure balance device, pressure balance device upper end is equipped with the phase transition district, the phase transition district upper end is equipped with and is equipped with the steam outlet pipeline.

Preferably, the pressure balancing device controls the pressure drop in the high-temperature dye vat, and the pressure balancing device is a water sealing device or a micropore flow limiting device.

Preferably, the height difference or the water seal quantity of the water seal device and the water level in the high-temperature dye vat is set, and the pressure balance relationship between the high-temperature dye vat and the steam-discharging heat-releasing device is adjusted and realized.

Preferably, the number and the flow of the micropore flow limiting devices are set, and the pressure balance relationship between the high-temperature dye vat and the steam exhaust heat release device is adjusted and realized.

Preferably, a steam-water separator for separating moisture in the steam is arranged between the phase change area and the steam outlet.

Preferably, a control valve for controlling the phase change speed and the steam flow is arranged on the steam outlet pipeline.

Preferably, the upper end of the steam exhaust heat release device and the upper end of the high-temperature dye vat are connected with a pressure balance pipeline, and a pressure balance valve is arranged on the balance pipeline.

Preferably, the exhaust heat release device is also provided with a liquid level meter, and the liquid level meter is a magnetic turning plate type liquid level meter.

The utility model discloses beneficial effect: the utility model discloses can replace the current generally adopted traditional mode of giving pressure vessel cooling step-down such as high temperature dye vat with cooling water, through the exothermic mode of high temperature steam extraction, make pressure vessel can realize again that the water in the pressure vessel does not produce the technological requirement of boiling at cooling step-down in-process in the cooling step-down when cooling step-down. The utility model adjusts and realizes the pressure balance relation between the high temperature dye vat and the exhaust heat release device by setting the height difference formed by the height of the water seal device and the water level in the high temperature dye vat or changing the quantity of water seals, thereby ensuring that the high temperature dye vat does not generate boiling; the upper end of the pressure balancing device is provided with a phase change area, and high-temperature water in the high-temperature dye vat is boiled to generate steam through the phase change area, so that heat is released quickly; and a steam-water spiral separator is arranged at the upper end of the phase change area and used for separating the water attached to the discharged steam, the size of the discharged steam is controlled by a control valve, and the discharged steam is pressurized and then reused in the production process.

Compare in cooling water cooling mode, have following beneficial effect:

1. energy saving and efficiency improvement. Compared with high-temperature hot water, the high-temperature steam has high recycling value. For example, the temperature of the 135 ℃ high-temperature dye vat is reduced to 90 ℃ through heat release of exhaust steam, the exhaust steam is converted into low-pressure steam through pressurization and then is reused in the production process, and the steam cost can be saved by 30%.

2. Saving water and protecting environment. Compared with cooling water, the cooling device can save a large amount of water resources, thoroughly solve the problem of overhigh and excessive cooling water temperature, reduce the aerial emission of water vapor and be beneficial to protecting the ecological environment.

3. Reducing emission and cost. Compared with cooling water, the high-temperature exhaust steam takes away water, so that the amount of sewage in the high-temperature dye vat can be reduced, and the sewage treatment cost is saved. More importantly, when the pollution discharge index of an enterprise is saturated, the production capacity of the enterprise can be amplified through emission reduction. For example, the temperature of the 135 ℃ high-temperature dye vat is reduced to 90 ℃ through heat release of exhaust steam, and the sewage discharge amount can be reduced by 10%.

4. Increase the yield and speed. Compare in the cooling water cooling, the heat release rate of high temperature exhaust is faster, can reduce the time of cooling by a wide margin, improves production efficiency.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Description of the symbols of the drawings:

1. a high-temperature dye vat; 2. a steam discharging and heat releasing device; 21. a spiral separator; 22. a water vapor outlet; a phase change region; 24. a pressure balancing device; 25. a liquid level meter; 3. a water outlet pipeline; 31. a water circulating pump; 4, a water return pipeline; 5. a balance pipeline; 51. a pressure balancing valve.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples, so that those skilled in the art can easily implement the present invention.

Example 1: as shown in figure 1, the utility model is provided with a high temperature dye vat 1, a steam exhaust heat release device 2, and a water outlet pipeline 3 and a water return pipeline 4 are communicated between the high temperature dye vat 1 and the steam exhaust heat release device 2. The top end is equipped with vapor outlet 22 on the heat abstractor 2 of row's vapour, and when row's vapour heat abstractor 2 was discharged from vapor outlet 22, the inside liquid of high temperature dye vat 1 can be impressed inside row's vapour heat abstractor 2 through return water pipeline 4, is equipped with circulating water pump 31 on the outlet conduit 3, and the liquid that remains after the phase transition in row's vapour heat abstractor 2 is sent back to high temperature dye vat 1.

A balance pipeline 5 is also arranged between the high-temperature dye vat 1 and the exhaust heat release device 2, and a pressure balance valve 51 is arranged on the balance pipeline 5. In the non-exhaust state, when the water levels of the main tank 1 and the exhaust heat releasing device 2 are abnormal, the pressure balance valve 51 is opened to balance the pressure of the main tank 1 and the exhaust heat releasing device 2, so that the water levels are consistent.

The inside of the exhaust heat releasing device 2 is provided with a pressure balancing device 24, the upper end of the pressure balancing device 24 is provided with a phase change area 23, and a spiral separator 21 for separating liquid and steam is arranged between the phase change area and the steam outlet 22. When the steam outlet 22 is opened, the gas-liquid mixture of the steam discharging and heat releasing device 2 passes through the spiral separator 21, so that the liquid and the steam are separated, the steam is discharged, and the liquid is recovered. The pipeline of the water vapor outlet 22 is provided with a control valve, the size of the steam discharge is controlled by the control valve, and the discharged water vapor is pressurized and then reused in the production process.

The steam-discharging and heat-releasing device 2 is also provided with a liquid level meter 25 for observing the liquid level height of the steam-discharging and heat-releasing device 2, and the liquid level meter 25 can adopt a magnetic turning plate type liquid level meter and automatically adjust and control the liquid level height by electrically connecting the magnetic turning plate type liquid level meter with a pressure balance valve 51, a control valve on a steam outlet 22 pipeline, a circulating water pump 31 and other equipment. When the liquid level is abnormal, the magnetic turning plate type liquid level meter outputs a signal to close the control valve and the circulating water pump 31, then the pressure balance valve 51 is opened, the pressure of the high-temperature dye vat 1 and the steam exhaust heat release device 2 is balanced, and the liquid level of the internal liquid is realized due to the dead weight.

When the exhaust heat release device 2 discharges steam, through the exhaust of the exhaust heat release device 2, release internal pressure fast, reduce the system temperature, because the internal pressure of the exhaust heat release device 2 reduces, the inside high-temperature liquid of the exhaust heat release device 2 boils the vaporization fast in the phase transition area 23 and releases heat, and high temperature dye vat 1 high temperature high pressure, inside liquid can be impressed the pressure balancing device 24 of the inside of the exhaust heat release device 2 through the return water pipeline 4, circulating water pump 31 sends the liquid after phase transition in the exhaust heat release device 2 back to the high temperature dye vat 1 through the outlet water pipeline 3, make the temperature and pressure of the high temperature dye vat 1 change slowly, keep the liquid in the high temperature dye vat 1 not boiling, and keep the water level balance of the high temperature dye vat 1 and the exhaust heat release device 2.

The pressure balancing device 24 in the exhaust heat releasing device 2 can adopt a micropore flow limiting structure to balance pressure, and can also adopt a water sealing device which is vertically arranged to control the pressure value by the self weight of liquid. The water seal device reduces the height of the exhaust steam heat release device 2 through grading arrangement, thereby being beneficial to reducing the volume of the equipment and realizing the miniaturization of the equipment.

The utility model provides a through the exothermic cooling mode of high temperature exhaust steam, make high temperature high-pressure vessel can realize the water in the container again in the step-down of cooling step-down not producing the technological requirement of boiling at the step-down in-process of cooling step-down, can not only save a large amount of cooling water, recycle the steam recovery of high temperature emission moreover, can bring considerable energy-conserving effect, simultaneously because the cooling efficiency of exhaust steam will be higher than the efficiency of heat transfer cooling, can also save the cooling time, improve production efficiency. Moreover, the high-temperature exhaust can also reduce the sewage amount, thereby being beneficial to the emission reduction of enterprises and saving the sewage treatment cost.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the present invention, as various modifications and variations will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the scope defined by the claims of the present invention shall be within the protection scope of the present invention.

Claims

1. The exhaust heat release device of the high-temperature dye vat is characterized by being provided with an exhaust heat release device, wherein the exhaust heat release device is communicated with the high-temperature dye vat through a water outlet pipeline and a water return pipeline, a circulating water pump is arranged on the water outlet pipeline, a pressure balance device is arranged at the middle lower end of the exhaust heat release device, a phase change area is arranged at the upper end of the pressure balance device, and a steam outlet pipeline is arranged at the upper end of the phase change area.

2. The exhaust heat release device of a high temperature dye vat according to claim 1, wherein the pressure balancing device controls the pressure drop in the high temperature dye vat, and the pressure balancing device is a water sealing device or a microporous flow limiting device.

3. The exhaust and heat release device of the high-temperature dye vat according to claim 2, wherein the height difference between the water seal device and the water level in the high-temperature dye vat or the number of water seals is set, so that the pressure balance relationship between the high-temperature dye vat and the exhaust and heat release device is adjusted and realized.

4. The exhaust heat release device of the high-temperature dye vat according to claim 2, wherein the number and flow of the micropore flow limiting devices are set, and the pressure balance relationship between the high-temperature dye vat and the exhaust heat release device is adjusted and realized.

5. The exhaust heat release device of the high-temperature dye vat according to any one of claims 1-4, wherein a steam-water separator for separating moisture in steam is arranged between the phase change area and the steam outlet.

6. The exhaust heat release device of the high-temperature dye vat according to claim 5, wherein a control valve for controlling the phase change speed and the steam flow is arranged on the steam outlet pipeline.

7. The exhaust heat release device of the high-temperature dye vat according to claim 1, wherein a pressure balance pipeline is connected with the upper end of the exhaust heat release device and the upper end of the high-temperature dye vat, and a pressure balance valve is arranged on the pressure balance pipeline.

8. The exhaust heat release device of the high-temperature dye vat according to claim 7, wherein the exhaust heat release device is further provided with a liquid level meter, and the liquid level meter is a magnetic turning plate type liquid level meter.