CN211886139U

CN211886139U - Coil pipe device of industrial waste gas absorption tower

Info

Publication number: CN211886139U
Application number: CN202020243333.8U
Authority: CN
Inventors: 陈忠厚
Original assignee: Yikun Quanzhou Environmental Protection Technology Development Co ltd
Current assignee: Yikun Quanzhou Environmental Protection Technology Development Co ltd
Priority date: 2020-03-03
Filing date: 2020-03-03
Publication date: 2020-11-10
Anticipated expiration: 2030-03-03

Abstract

The utility model discloses a coil pipe device of an industrial waste gas absorption tower, which comprises a box body, wherein an air inlet and an air outlet are fixedly connected on the box body, a coil pipe is fixedly arranged in the box body, the coil pipe is externally connected with a waste heat recovery device, a water tank is fixedly arranged on the box body, a water inlet is fixedly connected on the water tank, a water outlet is fixedly arranged at the bottom of the box body, a rotating shaft is rotatably arranged on the water tank through a sealing bearing, the rotating shaft is rotatably arranged on the box body, a water cavity is arranged on the rotating shaft, a water spray pipe is fixedly connected on the water cavity, a sleeve is fixedly arranged on the rotating shaft, a sliding rod is slidably arranged in the sleeve, a spring is sleeved on the sliding rod, a cleaning brush is fixedly arranged on the sliding rod, a cleaning device is arranged in the box body for cooling waste gas, and the influence of impurities on the heat exchange effect is avoided.

Description

Coil pipe device of industrial waste gas absorption tower

Technical Field

The utility model relates to an environmental protection technology field specifically is a coil pipe device of industrial waste gas absorption tower.

Background

In the in-process at industrial production, often can produce waste gas, especially chemical plant and smelter, the waste gas of output if not carry out purification treatment, can produce serious environmental pollution, lead to acid rain, harm people's health such as haze, industrial waste gas adopts the absorption tower to handle now more, but waste gas often contains the high temperature, it is relatively poor to lead to spraying absorptive effect, so use the heat exchanger to cool down it before industrial waste gas gets into the absorption tower usually, adopt spiral heat transfer coil pipe more in the heat exchanger, let in the cooling water and carry out the cooling of waste gas in the coil pipe, but contain impurity more in the waste gas, the foreign particle adheres on the coil pipe during long time use, and the coil pipe can not reach effectual clearance, lead to the heat transfer effect to descend, therefore the utility model provides a coil pipe device of industrial waste gas absorption tower is used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a coil pipe device of industrial waste gas absorption tower to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a coil pipe device of industrial waste gas absorption tower, includes the box, fixedly connected with air inlet and gas outlet on the box, and fixed mounting has the coil pipe in the box, the coil pipe is external to waste heat recovery device, and fixed mounting has the water tank on the box, fixedly connected with water inlet on the water tank, and bottom half fixed mounting has the delivery port, rotate through sealed bearing on the water tank and install the pivot, and the pivot rotates and install on the box, be provided with the water cavity in the pivot, and fixedly connected with spray pipe on the water cavity, fixed mounting has the sleeve in the pivot, and slidable mounting has the slide bar in the sleeve, cup jointed the spring on the slide bar, and fixed mounting has the cleaning brush on the slide bar.

Preferably, the air inlet is externally connected with the waste gas conveying device, the air outlet is externally connected with the absorption tower, and the coil pipe is a spiral pipe.

Preferably, the water tank is fixedly mounted at the top of the box body, the washing liquid is introduced into the water inlet, the water cavity is communicated with the water tank, and the solid shaft of the rotating shaft is connected to the speed reduction motor through a coupling.

Preferably, the sleeve is internally provided with a sliding cavity, the bottom of the sliding rod is fixedly connected with a limiting block, the spring is connected between the limiting block and the inner wall of the sleeve, and the spray pipe is fixedly connected to the outer wall of the sleeve.

Preferably, a plurality of the sleeves are arranged on two sides of the rotating shaft in a staggered mode, the brush heads of the cleaning brushes are connected with the sliding rods, and hard bristles are arranged on the end faces of the brush heads.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the box body for cooling the waste gas is internally provided with a cleaning device, cleaning solution is introduced into the water tank, the cleaning solution enters the water cavity of the rotating shaft and is sprayed on the surfaces of the cleaning brush and the coil pipe through a spray pipe, the rotating shaft is driven to rotate through a speed reduction motor, and the sliding rod extends out under the action of centrifugal force, so that the cleaning brush is in contact with the coil pipe to be scrubbed, impurities are washed away, and the influence of the impurities on the heat exchange effect is avoided;

2. sleeve, slide bar and spring constitute elastic telescopic rod, and at ordinary heat transfer in-process, the pivot is static, and centrifugal force disappears, and the slide bar then retracts under the effect of spring, makes cleaning brush and coil pipe surface break away from, avoids cleaning brush to cover on the coil pipe surface and influence the heat transfer effect.

Drawings

FIG. 1 is a sectional view of the present invention;

fig. 2 is an enlarged view of a partial structure of the present invention.

In the figure: the cleaning device comprises a box body 1, an air inlet 2, an air outlet 3, a coil pipe 4, a water tank 5, a water inlet 6, a rotating shaft 7, a water outlet 8, a water cavity 9, a spray pipe 10, a sleeve 11, a sliding rod 12, a spring 13 and a cleaning brush 14.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 2, the present invention provides a technical solution: a coil pipe device of an industrial waste gas absorption tower comprises a box body 1, wherein an air inlet 2 and an air outlet 3 are fixedly connected to the box body 1, a coil pipe 4 is fixedly arranged in the box body 1, the coil pipe 4 is externally connected to a waste heat recovery device, and absorbs heat in heated cooling water to enable the heat to enter circulation again, a water tank 5 is fixedly arranged on the box body 1, a water inlet 6 is fixedly connected to the water tank 5, a water outlet 8 is fixedly arranged at the bottom of the box body 1, a valve is arranged on the water outlet 8 and is opened only when cleaning is carried out, a rotating shaft 7 is rotatably arranged on the water tank 5 through a seal bearing, the rotating shaft 7 is rotatably arranged on the box body 1, a water cavity 9 is arranged on the rotating shaft 7, a water spray pipe 10 is fixedly connected to the water cavity 9, a sleeve 11 is fixedly arranged on the rotating shaft 7, and a slide rod 12 is slidably arranged, the slide bar 12 is sleeved with a spring 13, and the slide bar 12 is fixedly provided with a cleaning brush 14.

The air inlet 2 is externally connected with the waste gas conveying device, the air outlet 3 is externally connected with the absorption tower, waste gas is introduced into the box body 1 and is discharged into the absorption tower after being cooled, so that a better absorption effect is achieved, the coil pipe 4 is arranged into a spiral pipe, the contact area between the waste gas and the pipe wall is increased, and the heat exchange effect is better;

the water tank 5 is fixedly arranged at the top of the tank body 1, a water inlet 6 is filled with washing liquid, the water cavity 9 is communicated with the water tank 5, a solid shaft of the rotating shaft 7 is connected to the speed reduction motor through a coupler, the washing liquid in the water tank 5 enters the cavity 9 and then enters the book spraying pipe 10 from the cavity 9 in the process of cleaning the coil pipe 4 by rotating the rotating shaft 7, and is sprayed on the coil pipe 4 and the cleaning brush 14 to take away impurities on the coil pipe 4 and discharge the impurities from a water outlet 8 at the bottom of the tank body 1;

a sliding cavity is formed in the sleeve 11, a limiting block is fixedly connected to the bottom of the sliding rod 12, the spring 13 is connected between the limiting block and the inner wall of the sleeve 11, the sliding rod 12 and the spring 13 form an elastic telescopic rod, when the rotating shaft 7 rotates, the sliding rod 12 extends out under the action of centrifugal force, so that the cleaning brushes 14 are in contact with the coil 4 for brushing, the spring 13 pulls the sliding rod 12 back at ordinary times, the cleaning brushes 14 are prevented from covering the surface of the coil 4, the heat exchange effect is prevented from being influenced, the water spray pipes 10 are fixedly connected to the outer wall of the sleeve 11, and one water spray pipe 10 sprays water corresponding to one cleaning brush;

the sleeve 11 is provided with a plurality of sleeves arranged on two sides of the rotating shaft 7 in a staggered manner, the whole coil 4 can be brushed according to the spiral arrangement of the coil 4, a brush head of the cleaning brush 14 is connected with the sliding rod 12, hard bristles are arranged on the end face of the brush head, the coil 4 is made of a metal pipe with good thermal conductivity, and a better brushing effect is achieved through the hard bristles;

the working principle is as follows: when the device is used, high-temperature waste gas is introduced from the gas inlet 2, cooling water is introduced into the coil 4, the waste gas is contacted with the coil 4 in the box body 1 to carry out heat exchange, the effect of cooling the waste gas is achieved, the waste gas is introduced into the absorption tower from the gas outlet 3 to achieve a better absorption effect, in the long-term use process, solid impurities in the waste gas can be adhered to the coil 4 to cause the heat exchange effect to be poor, at the moment, cleaning is carried out, cleaning solution is introduced into the water tank 5, the cleaning solution enters the water cavity 9 of the rotating shaft 7 and is sprayed on the surfaces of the cleaning brush 14 and the coil 4 through the water spray pipe 10, the rotating shaft 7 is driven to rotate through the speed reduction motor, the sliding rod 12 extends out under the action of centrifugal force, so that the cleaning brush 14 is contacted with the coil 4 to be cleaned, the impurity cleaning solution flows away from the water outlet 8, the cleaning brush 14 is separated from the surface of the coil 4, and the heat exchange effect is prevented from being influenced.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a coil pipe device of industrial waste gas absorption tower, includes box (1), its characterized in that: an air inlet (2) and an air outlet (3) are fixedly connected on the box body (1), and a coil pipe (4) is fixedly arranged in the box body (1), the coil pipe (4) is externally connected with a waste heat recovery device, a water tank (5) is fixedly arranged on the tank body (1), a water inlet (6) is fixedly connected on the water tank (5), a water outlet (8) is fixedly arranged at the bottom of the box body (1), a rotating shaft (7) is rotatably arranged on the water tank (5) through a sealing bearing, the rotating shaft (7) is rotatably arranged on the box body (1), a water cavity (9) is arranged on the rotating shaft (7), a water spray pipe (10) is fixedly connected on the water cavity (9), a sleeve (11) is fixedly arranged on the rotating shaft (7), and a sliding rod (12) is arranged in the sleeve (11) in a sliding manner, a spring (13) is sleeved on the sliding rod (12), and a cleaning brush (14) is fixedly arranged on the sliding rod (12).

2. The coil pipe device of the industrial waste gas absorption tower as claimed in claim 1, wherein: the air inlet (2) is externally connected with the waste gas conveying device, the air outlet (3) is externally connected with the absorption tower, and the coil pipe (4) is a spiral pipe.

3. The coil pipe device of the industrial waste gas absorption tower as claimed in claim 1, wherein: the water tank (5) is fixedly installed at the top of the tank body (1), the washing liquid is introduced into the water inlet (6), the water cavity (9) is communicated with the water tank (5), and the solid shaft of the rotating shaft (7) is connected to the speed reduction motor through a coupling.

4. The coil pipe device of the industrial waste gas absorption tower as claimed in claim 1, wherein: the sleeve is characterized in that a sliding cavity is formed in the sleeve (11), a limiting block is fixedly connected to the bottom of the sliding rod (12), the spring (13) is connected between the limiting block and the inner wall of the sleeve (11), and the water spraying pipe (10) is fixedly connected to the outer wall of the sleeve (11).

5. The coil pipe device of the industrial waste gas absorption tower as claimed in claim 1, wherein: the sleeve (11) is provided with a plurality of sleeves on two sides of the rotating shaft (7) in a staggered manner, the brush head of the cleaning brush (14) is connected with the sliding rod (12), and hard bristles are arranged on the end face of the brush head.