Gas dehydration device with improved dehydration effect

Abstract

The utility model discloses a coal gas dehydration device with an improved dehydration effect, belongs to the technical field of coal gas treatment equipment, and is used for improving the dehydration effect of the coal gas dehydration device. According to the technical scheme, an air inlet pipe is arranged on the side wall of a dehydration box, a cooler is fixed to the lower surface of the top face of the dehydration box, an exhaust channel is formed in the top face, behind an exhaust port of the cooler, of the dehydration box, an exhaust pipe is arranged at the upper end of the exhaust channel, a drainage pipe is arranged on the lower portion of the dehydration box, and a supporting plate is fixed to the outer portion of the side wall of the dehydration box; a round hole opposite to the electric push rod is formed in the side wall of the dewatering box, a rod body of the electric push rod is embedded in the round hole, a horizontal rubber scraper is installed at the front end of the electric push rod, and the rubber scraper is in sliding fit with the bottom face of the cooler in the dewatering box. The cooling device is simple in structure and convenient to use, water drops on the surface of the cooler can be rapidly removed, the service life of the cooler is guaranteed, cooling water is conveniently collected, and the coal gas dehydration effect is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the coal gas dewatering device who can improve dewatering effect belongs to coal gas processing equipment technical field. BACKGROUND

[0002] In blast furnace gas pipeline system, because water spray cooling or dechlorination spray alkali process causes gas to carry a large amount of moisture into gas pipe network, moisture reduces along with gas temperature, part becomes condensate water and is discharged by drain, but gas still contains a certain amount of saturated water and is not excluded, when gas temperature is 45 DEG C, the water content in gas reaches 75.6g / m3, and the standard water content of gas requires no more than 5g / m3, so the actual water content of gas greatly exceeds the requirement of design standard water content, and gas needs to be dewatered. At present, the gas is dewatered by using cooler, the cooler is placed in the dewatering tank, gas is discharged after being cooled by the cooler in the dewatering tank, and the moisture in the gas falls into the dewatering tank and is discharged. Because the cooler is used to carry out heat exchange and dewatering on gas, water droplets after dewatering are easily left on the cooler, so that the water droplets drop slowly, water collection is affected, and the gas dewatering effect is reduced, therefore, it is necessary to improve the existing gas dewatering device. SUMMARY

[0003] The utility model wants to solve the technical problem to provide a kind of gas dewatering device of improved dewatering effect, this kind of gas dewatering device can effectively remove the moisture remaining on the cooler, improve gas dewatering is effect.

[0004] The technical scheme for solving the above technical problem is:

[0005] A kind of gas dewatering device of improved dewatering effect, it includes dewatering tank, cooler, the side wall of dewatering tank has inlet pipe, cooler is fixed on the top surface lower surface of dewatering tank, the top surface of dewatering tank behind the exhaust port of cooler has exhaust passage, the upper end of exhaust passage has exhaust pipe, the lower part of dewatering tank has drain pipe, its improvement is that, the side wall outside dewatering tank is fixed with supporting plate, the rear part of electric push rod is fixed on supporting plate, the side wall of dewatering tank has round hole opposite electric push rod, the rod body of electric push rod is embedded in round hole, the front end of push rod of electric push rod is installed with horizontal rubber scraper, and rubber scraper is slidably connected with the bottom surface of cooler in dewatering tank.

[0006] The above-mentioned gas dewatering device of improved dewatering effect, the side wall outside dewatering tank above inlet pipe is installed with servo motor, and the side wall of dewatering tank opposite servo motor has motor shaft hole, the motor shaft of servo motor passes through the motor shaft hole of dewatering tank side wall, and the front end of motor shaft is installed with air guide fan blade, and air guide fan blade is opposite the air inlet of cooler.

[0007] The gas dehydration device described above with improved dehydration effect has a partition fixed inside the dehydration tank. The partition is located between the side wall of the dehydration tank where the air inlet pipe is installed and the cooler. The upper end of the partition is connected to the lower bottom surface of the cooler, and the lower end of the partition is connected to the bottom surface of the dehydration tank. A horizontal filter screen is fixed between the lower part of the partition and the side wall of the dehydration tank where the drain pipe is installed. The filter screen is located above the drain pipe.

[0008] In the aforementioned gas dehydration device for improving dehydration effect, the bottom surface of the dehydration chamber is fixed to a base plate, which is a rectangular plate. Support legs are installed at the bottom of the base plate, and anti-slip pads are installed at the bottom of the support legs. A viewing window is fixedly installed on the side wall of the dehydration chamber.

[0009] The beneficial effects of this utility model are:

[0010] The electric push rod of this utility model can drive the rubber scraper to move. The rubber scraper located below the cooler can touch the bottom of the cooler during repeated movement and adjustment, scraping away the water droplets that accumulate at the bottom of the cooler and preventing water droplets from remaining on the surface of the cooler for a long time, thus achieving the effect of quickly removing water droplets.

[0011] This utility model has a simple structure and is easy to use. It can quickly remove water droplets from the surface of the cooler, ensuring the service life of the cooler, facilitating the collection of cooling water, and improving the dehydration effect of coal gas. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the structure of this utility model;

[0013] Figure 2 yes Figure 1 Rear view;

[0014] Figure 3 yes Figure 1 A cross-sectional view of the dehydration tank.

[0015] The following are marked in the diagram: base plate 1, support leg 2, dehydration tank 3, air inlet pipe 4, sealing cover 5, exhaust channel 6, exhaust pipe 7, drain pipe 8, cooler 9, tray 10, electric push rod 11, rubber scraper 12, servo motor 13, guide fan blade 14, partition 15, filter screen 16, viewing window 17. Detailed Implementation

[0016] This utility model consists of a base plate 1, support legs 2, dehydration tank 3, air inlet pipe 4, sealing cover 5, exhaust channel 6, exhaust pipe 7, drain pipe 8, cooler 9, tray 10, electric push rod 11, rubber scraper 12, servo motor 13, guide fan blade 14, partition 15, and filter screen 16.

[0017] Figure 1 ,2 As shown, the base plate 1 is a rectangular plate, the bottom of the base plate 1 is provided with a supporting leg 2, the bottom of the supporting leg 2 is provided with a non-slip pad, the supporting leg 2 is used to support and fix the base plate 1, and the non-slip pad can prevent the supporting leg 2 from slipping.

[0018] Figure 1 、 2 As shown, the dehydration tank 3 is a rectangular box body, the bottom surface of the dehydration tank 3 is fixed on the base plate 1. The sidewall of the dehydration tank 3 is provided with an air inlet pipe 4, the outer end of the air inlet pipe 4 is provided with a sealing cover 5, the inner wall of the sealing cover 5 is provided with a sealing pad, and the sealing cover 5 closes the air inlet pipe 4 when the coal gas is not dehydrated. The top surface of the dehydration tank 3 is provided with an exhaust passage 6, the upper end of the exhaust passage 6 is provided with an exhaust pipe 7, the exhaust pipe 7 is provided with an exhaust valve, which is used to exhaust the dehydrated coal gas. The lower part of the dehydration tank 3 is provided with a drain pipe 8, the drain pipe 8 is provided with a drain control valve, which is used to drain the water after dehydration. The sidewall of the dehydration tank 3 is fixedly provided with a perspective window 17, the perspective window 17 is provided with transparent glass, and the staff can observe the inside of the dehydration tank 3 through the perspective window 17.

[0019] Figure 2 、 3 As shown, the cooler 9 is fixed on the top surface of the dehydration tank 3, the sidewall of the dehydration tank 3 behind the exhaust port of the cooler 9 is externally provided with a supporting plate 10, the rear part of the electric push rod 11 is fixed on the supporting plate 10, the sidewall of the dehydration tank 3 is provided with a circular hole opposite to the electric push rod 11, the rod body of the electric push rod 11 is embedded in the circular hole, the front end of the push rod of the electric push rod 11 is provided with a horizontal rubber scraper 12, and the rubber scraper 12 is in sliding fit with the bottom surface of the cooler 9 in the dehydration tank 3. The electric push rod 11 can drive the rubber scraper 12 to move, the rubber scraper 12 can touch the bottom of the cooler 9 to scrape the water droplets accumulated on the bottom of the cooler 9, so that the water droplets on the bottom of the cooler 9 are scraped off, preventing the water droplets from remaining on the surface of the cooler 9 for a long time, and achieving the effect of quickly removing the water droplets.

[0020] Figure 1 、 3 As shown, the sidewall of the dehydration tank 3 above the air inlet pipe 4 is externally provided with a servo motor 13, the sidewall of the dehydration tank 3 opposite to the servo motor 13 is provided with a motor shaft hole, the motor shaft of the servo motor 13 penetrates through the motor shaft hole of the sidewall of the dehydration tank 3, a guide fan blade 14 is installed at the front end of the motor shaft, and the guide fan blade 14 is opposite to the air inlet of the cooler 9. The guide fan blade 14 can quickly blow the coal gas to the cooler 9, so as to accelerate the cooling efficiency of the cooler 9.

[0021] Figure 3As shown, a partition plate 15 is fixed in the dehydration tank 3, the partition plate 15 is located between the side wall of the dehydration tank 3 where the air inlet pipe 4 is installed and the lower bottom surface of the cooler 9, the upper end of the partition plate 15 is connected with the lower bottom surface of the cooler 9, the lower end of the partition plate 15 is connected with the bottom surface of the dehydration tank 3, and the partition plate 15 is used for isolating the gas entering the dehydration tank 3 on the side of the air inlet of the cooler 9, so that the gas quickly enters the cooler 9.

[0022] Figure 3 As shown, a horizontal filter screen 16 is fixed between the lower part of the partition plate 15 and the side wall of the dehydration tank 3 where the drainage pipe 8 is installed, and the filter screen 16 is located above the drainage pipe 8. The water droplets falling from the cooler 9 fall on the filter screen 16, are collected at the bottom of the dehydration tank 3 below the filter screen 16 after filtration, and are then discharged from the drainage pipe 8.

[0023] The use process of the utility model is as follows:

[0024] The staff opens the air inlet pipe 3, connects the gas discharge pipe with the air inlet pipe 4, so that the gas enters the dehydration tank 3 through the air inlet pipe 4; the gas enters the dehydration tank 3 and is discharged upwards to the position of the guide fan blade 14, at this time, the servo motor 13 is started to drive the guide fan blade 14 to rotate, the high-speed rotating guide fan blade 14 can guide the discharged gas, so that the gas quickly enters the air inlet of the cooler 9 for heat exchange and dehydration; after the cooler 9 is started, the cooler 9 can heat exchange the gas with heat, so that the gas with heat is cooled, after the gas is cooled, the water contained in the gas is condensed on the surface of the cooler 9, and the water is gathered at the bottom of the cooler 9 and falls downwards under the action of gravity; at this time, the electric push rod 11 is started to drive the rubber scraper 12 to move, the rubber scraper 12 can touch the bottom of the cooler 9 and scrape the water droplets gathered at the bottom of the cooler 9, so that the water droplets at the bottom of the cooler 9 are scraped off, the water droplets are prevented from remaining on the surface of the cooler 9 for a long time, the effect of quickly removing the water droplets is achieved, the service life of the cooler 9 is guaranteed, water collection is facilitated, and the gas dehydration effect is improved; the gas after dehydration treatment can be discharged to the outside through the exhaust passage 6 and the exhaust pipe 7, and the water generated in the dehydration process can fall to the bottom of the dehydration tank 3 through the filter screen 16 and be discharged to the outside through the drainage pipe 8.

[0025] An embodiment of the utility model is as follows:

[0026] The length of the bottom plate 1 is 1000mm, the width is 1000mm, and the thickness is 20mm;

[0027] The length of the support leg 2 is 700mm, the width is 100mm, and the height is 80mm;

[0028] The length of the dehydration tank 3 is 1000mm, the width is 800mm, and the height is 2000mm;

[0029] The diameter of the air inlet pipe 4 is 100 mm, and the length is 100 mm;

[0030] The length of the exhaust passage 6 is 800 mm, the width is 400 mm, and the height is 400 mm;

[0031] The diameter of the exhaust pipe 7 is 80 mm, and the length is 100 mm;

[0032] The diameter of the drain pipe 8 is 80 mm, and the length is 100 mm;

[0033] The model of the cooler 9 is customized, the length is 800 mm, the width is 500 mm, and the height is 500 mm;

[0034] The length of the supporting plate 10 is 700 mm, the width is 500 mm, and the thickness is 20 mm;

[0035] The model of the electric push rod 11 is XDHA24-500;

[0036] The length of the rubber scraper 12 is 700 mm, the width is 50 mm, and the thickness is 10 mm;

[0037] The model of the servo motor 13 is VM7-M26D-03015-D2FN;

[0038] The diameter of the air guide fan blade 14 is 300 mm;

[0039] The length of the partition plate 15 is 1500 mm, the width is 800 mm, and the thickness is 20 mm.

Claims

1. A gas dehydration device for improving dehydration effect, comprising a dehydration tank (3) and a cooler (9), wherein the dehydration tank (3) has an air inlet pipe (4) on its side wall, the cooler (9) is fixed to the lower surface of the top surface of the dehydration tank (3), and the top surface of the dehydration tank (3) behind the exhaust port of the cooler (9) has an exhaust channel (6), the upper end of the exhaust channel (6) has an exhaust pipe (7), and the lower part of the dehydration tank (3) has a drain pipe (8), characterized in that: The outer side wall of the dehydration tank (9) is fixed with a supporting plate (10), the rear part of the electric push rod (11) is fixed on the supporting plate (10), the side wall of the dehydration tank (9) is provided with a circular hole opposite to the electric push rod (11), the rod body of the electric push rod (11) is embedded in the circular hole, the front end of the push rod of the electric push rod (11) is provided with a horizontal rubber scraper (12), and the rubber scraper (12) is in sliding fit with the bottom surface of the cooler (9) in the dehydration tank (3).

2. The coal gas dewatering device for improving dewatering effect according to claim 1, characterized by: The outer side wall of the dehydration tank (3) above the air inlet pipe (4) is provided with a servo motor (13), the side wall of the dehydration tank (3) opposite to the servo motor (13) is provided with a motor shaft hole, the motor shaft of the servo motor (13) penetrates through the motor shaft hole of the side wall of the dehydration tank (3), a guide fan blade (14) is installed at the front end of the motor shaft, and the guide fan blade (14) is opposite to the air inlet of the cooler (9).

3. The coal gas dewatering device for improving dewatering effect according to claim 1, characterized by: The dehydration tank (3) is fixed with a partition plate (15), the partition plate (15) is located between the side wall of the dehydration tank (3) provided with the air inlet pipe (4) and the cooler (9), the upper end of the partition plate (15) is connected with the lower bottom surface of the cooler (9), the lower part of the partition plate (15) is connected with the bottom surface of the dehydration tank (3), a horizontal filter screen (16) is fixed between the partition plate (15) and the side wall of the dehydration tank (3) provided with the drain pipe (8), and the filter screen (16) is located above the drain pipe (8).

4. The coal gas dewatering device for improving dewatering effect according to claim 1, characterized by: The bottom surface of the dehydration tank (3) is fixed on the bottom plate (1), the bottom plate (1) is a rectangular plate, the bottom plate (1) is provided with supporting legs (2) at the bottom, the bottom of the supporting leg (2) is provided with an anti-skid pad, and the side wall of the dehydration tank (3) is fixedly provided with a perspective window (17).

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