Dead steam eliminating device

Abstract

The utility model discloses a dead steam eliminating device. The waste steam coil pipe is arranged in the box body in a snake shape, and the cooling water coil pipe is wound on the periphery of the waste steam coil pipe; the dead steam coil pipe is connected with a T-shaped dead steam chimney; a low-temperature cooling water pipe is installed on the top of the box body, a medium in the cooling water pipe coil is low-temperature cooling water, and water is supplemented through the low-temperature cooling water pipe. The ratio of the distance between the exhaust steam coils arranged in the snakelike mode to the diameter of the coils is controlled to be 1: (4-5), and it is guaranteed that low-temperature desalted water on the top of the box body can make full contact with the exhaust steam coils. According to the device, waste heat generated in the production process is subjected to three-stage cooling and condensed into condensate water, the condensate water enters a production system to be continuously used, and visual pollution and energy waste caused by dead steam can be greatly eliminated through the use of the device. The technical problem that an existing dead steam eliminating device is not obvious in effect is solved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to energy recovery device, more particularly to a kind of steam elimination device. BACKGROUND

[0002] Current steam elimination device generally exists steam elimination incomplete, degree of automation is not high, resource cannot be recycled shortcomings, with the gradual improvement of industry environmental protection requirement, this steam elimination device still cannot meet the needs of industry. SUMMARY

[0003] The utility model needs to solve the technical problem to provide a kind of steam elimination device, realize the purpose of eliminating steam, reduce the visual pollution and noise pollution caused by steam in production process and improve resource recovery efficiency.

[0004] To solve the above technical problems, the technical scheme adopted by the utility model is:

[0005] A kind of steam elimination device, including box, steam coil, cooling water coil;Steam coil is arranged in the serpentine in box interior, the cooling water coil is wound in steam coil periphery;

[0006] Steam coil is connected with T-shaped steam chimney;

[0007] Box top installs low-temperature cooling water pipe, and the medium in cooling water coil is low-temperature cooling water, and water is supplemented by low-temperature cooling water pipeline.

[0008] Steam coil import and export are all provided with hand valve and pneumatic regulating valve, and temperature meter, pressure gauge are also provided in steam coil export.

[0009] The spacing of serpentine arrangement steam coil and the ratio of pipe diameter are controlled according to 1:4-5, to ensure that the low-temperature desalted water of box top can be fully contacted with steam coil.

[0010] Box top is provided with cooling water spray head by low-temperature cooling water pipeline, and low-temperature cooling water is evenly sprayed on steam coil, so that steam in steam coil is cooled.

[0011] Steam coil bottom is provided with drain valve, and water is discharged to water tank installed in box bottom.

[0012] Multiple spray heads are provided in the both sides in steam chimney by low-temperature cooling water pipeline, to realize that cooling water is directly sprayed to steam for further cooling, and the cooling water after cooling flows to water tank in box bottom along chimney bottom, and the cooling water in water tank is discharged to production system for continuous use by circulating water pump.

[0013] The steam exhaust enters the steam exhaust coil through the steam exhaust inlet, is cooled by the cooling water coil wound around the periphery of the steam exhaust coil, and then flows upward in the steam exhaust coil, and part of the condensed water is discharged into the water tank at the bottom of the box through the drain valve at the bottom of the steam exhaust coil; the steam exhaust cooled in the first cooling is cooled again by the low-temperature cooling water sprayed by the cooling water spray head installed at the top of the box, and the steam exhaust cooled in the second cooling is discharged into the steam exhaust chimney; the steam exhaust chimney has a T-shaped structure, the upper part is an exhaust port, and the lower part is a drain pipe; the steam exhaust cooled in the two cooling processes enters the middle part of the chimney from the middle part, and then is cooled by the water sprayed by the cooling water spray head arranged at the upper part of the chimney and is discharged to the atmosphere. The device can reduce the visual pollution caused by the steam exhaust and the waste of energy by three-stage cooling of the waste heat generated in the production process, and the condensed water is used in the production system. The use of the device can greatly eliminate the visual pollution caused by the steam exhaust and the pollution caused by the steam exhaust.

[0014] The water tank at the bottom of the box is provided with a liquid level meter, and the inlet of the circulating water pump at the bottom of the box is provided with a pneumatic regulating valve, which can automatically adjust the valve opening according to the liquid level in the water tank, so as to automatically control the liquid level in the water tank.

[0015] The steam exhaust coil is provided with a ball valve and a pneumatic cut-off valve at the inlet and outlet, and the pneumatic cut-off valve is connected to an automatic control program; a thermometer is connected to the steam exhaust outlet, which can monitor the temperature of the steam exhaust in real time, judge the cooling condition of the steam exhaust, and adjust the steam exhaust inlet amount through the pneumatic regulating valve at the inlet and outlet of the steam exhaust coil, so that the steam exhaust can be fully cooled. The whole steam exhaust coil is made of stainless steel and is welded, so that the inside and outside of the steam exhaust coil have good corrosion resistance; the steam exhaust inlet is arranged at the lower part of the box, the steam exhaust outlet is arranged at the upper part of the box, the steam exhaust coil is arranged in a serpentine shape in the box, and the spacing between the steam exhaust coils and the diameter of the coil are controlled according to the ratio of the diameter to the length of the cylinder, which is 1:4-5, and the purpose is to ensure that the low-temperature desalted water at the top of the box can fully contact with the steam exhaust coil.

[0016] The cooling water coil takes cooling water from the low-temperature cooling water pipe installed at the top of the box, and the cooling water coil should have a certain transverse spacing and longitudinal spacing when being wound, and the cooling water enters the coil through the upper part, exchanges heat with the steam exhaust coil, and then flows into the water tank at the bottom of the box.

[0017] In the preferred scheme, the steam exhaust coil is provided with temperature and pressure sensors at the steam exhaust inlet and outlet, which improves the controllability during the operation of the equipment, and the above-mentioned sensors are connected to an automatic control program, which improves the stable operation of the automatic control program.

[0018] In the preferred scheme, the steam exhaust chimney is provided with two rows of cooling water spray heads at the upper part, and the water sprayed by the spray heads is used for the last cooling of the steam exhaust, which can eliminate 95% of the steam exhaust and greatly reduce the visual pollution and pollution caused by the steam exhaust.

[0019] The low-pressure steam eliminating device provided by the utility model, through the implementation of the method, reduces the visual pollution, noise pollution and energy loss caused by the low-pressure steam. BRIEF DESCRIPTION OF DRAWINGS

[0020] The utility model will be further described in connection with the drawings and implementation:

[0021] Figure 1 It is the overall device structure diagram of the utility model.

[0022] In the drawing: low-pressure steam coil 1, cooling water coil 2, box 3, cooling water nozzle 4, low-temperature cooling water pipeline 5, T-shaped low-pressure steam chimney 6, nozzle 7, circulating water pump 8. DETAILED DESCRIPTION

[0023] As shown in the figure, a low-pressure steam eliminating device, including low-pressure steam coil 1, cooling water coil 2, the cooling water coil 2 is wound in the periphery of low-pressure steam coil 1, is provided with hand valve and pneumatic regulating valve at the import and export of low-pressure steam coil 1, and is also provided with thermometer and pressure gauge at the export of low-pressure steam coil 1.

[0024] In the preferred scheme, the low-pressure steam coil 1 is integrally welded by stainless steel material, so that it has good corrosion resistance inside and outside; the low-pressure steam inlet is arranged in the lower part of the box 3, the low-pressure steam outlet is arranged in the upper part of the box 3, the pneumatic valve and the hand valve are arranged at the import and export of the low-pressure steam coil 1, and the pressure gauge and the temperature gauge are installed at the export of the low-pressure steam coil, the low-pressure steam import amount is adjusted by the temperature of the low-pressure steam outlet, so that it can be fully cooled; the low-pressure steam coil 1 is arranged in a serpentine shape inside the box, and the spacing between the low-pressure steam coils and the diameter ratio of the coil are controlled according to the diameter and length of the cylinder body in a proportion of 1:5, and the purpose is to ensure that the low-temperature desalted water at the top of the box can fully contact the low-pressure steam coil.

[0025] In the preferred scheme, the cooling water coil 2 is provided with a ball valve and a pneumatic cut-off valve at the outlet, the pneumatic cut-off valve is connected to an automatic control program, and the cooling water coil 2 is provided with a pressure gauge and a temperature gauge, so as to facilitate the judgment of the running condition of the cooling water.

[0026] In the preferred scheme, two rows of cooling water nozzles are installed above the T-shaped low-pressure steam exhaust chimney 6, the low-pressure steam after being cooled twice is cooled by the water sprayed by the nozzles arranged on both sides of the chimney when passing through the chimney, and a flow meter and a thermometer are installed at the top of the exhaust chimney, the low-pressure steam eliminating effect is detected, and it can be adjusted at any time.

[0027] The utility model discloses a kind of low-pressure steam eliminating devices, when running:

[0028] The exhaust steam generated in the production system enters the exhaust steam coil 1 through the exhaust steam inlet, and a layer of cooling water coil 2 is wound around the periphery of the exhaust steam coil 1. The medium inside the cooling water coil 2 is low-temperature cooling water, which is supplemented through the low-temperature cooling water pipeline 5. The exhaust steam in the exhaust steam coil 1 is cooled by the low-temperature cooling water coil 2 wound around the periphery of the exhaust steam coil 1, and part of the condensed water generated is discharged through the drain valve at the bottom of the exhaust steam coil 1 to the water tank installed at the bottom of the box 3. The cooled exhaust steam continues to flow in the exhaust steam coil 1, and the cooling water spray head 4 above the box 3 uniformly sprays low-temperature cooling water on the exhaust steam coil 1, so that the exhaust steam in the exhaust steam coil 1 is cooled again. The exhaust steam cooled twice enters the T-shaped exhaust steam chimney 6, and the spray heads 7 arranged on both sides of the exhaust steam chimney 6 directly spray cooling water to the exhaust steam for further cooling. The finally cooled cooling water flows along the bottom of the chimney to the water tank at the bottom of the box 3, and the cooling water in the water tank is discharged to the production system for continuous use through the circulating water pump 8.

Claims

1. A waste steam elimination device, characterized in that, It includes a housing (3), a steam coil (1), and a cooling water coil (2); the steam coil (1) is arranged in a serpentine pattern inside the housing (3), and the cooling water coil (2) is wrapped around the outer periphery of the steam coil (1); The exhaust steam coil (1) is connected to the T-shaped exhaust steam chimney (6); The top of the enclosure (3) is equipped with a low-temperature cooling water pipe (5). The medium inside the cooling water coil (2) is low-temperature cooling water, which is replenished through the low-temperature cooling water pipe (5).

2. The exhaust steam elimination device according to claim 1, characterized in that, Both the inlet and outlet of the exhaust steam coil (1) are equipped with manual valves and pneumatic regulating valves, and a thermometer and a pressure gauge are also installed at the outlet of the exhaust steam coil (1).

3. The exhaust steam elimination device according to claim 1, characterized in that, The spacing of the serpentine exhaust steam coils (1) is controlled to be 1:4-5 with the coil diameter to ensure that the low-temperature demineralized water at the top of the box can fully contact the exhaust steam coils.

4. The exhaust steam elimination device according to claim 1, characterized in that, A cooling water nozzle (4) is installed above the housing (3) via a low-temperature cooling water pipe (5) to spray low-temperature cooling water evenly onto the exhaust steam coil (1) so that the exhaust steam in the exhaust steam coil (1) is cooled down.

5. The exhaust steam elimination device according to claim 1, characterized in that, A drain valve is installed at the bottom of the exhaust steam coil (1) to drain water into the water tank installed at the bottom of the box body (3).

6. The exhaust steam elimination device according to claim 1, characterized in that, Multiple nozzles (7) are installed on both sides of the exhaust steam chimney (6) through low-temperature cooling water pipes (5) to spray cooling water directly onto the exhaust steam for further cooling. The cooled water flows along the bottom of the chimney to the water tank at the bottom of the box (3). The cooling water in the water tank is discharged to the production system for continued use through a circulating water pump (8).

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