CN211098324U - Dewatering and demisting composite device - Google Patents

Abstract

The utility model relates to a composite set of dehydration defogging, wherein: the dehydrator is provided with a buffering filter screen, a first baffle plate and a second baffle plate, the bottom of the buffering filter screen is provided with a water storage tank, the first baffle plate and the second baffle plate are arranged behind the buffering filter screen, and the water-containing gas passing through the buffering filter screen moves forwards to pass through the two baffle plates and then is led to the diffusion amplifying opening of the demister through the tail convergence opening of the dehydrator; the demister is provided with a groove-shaped adsorption plate and a mist collecting filter screen, and the demister is connected with the dehydrator through a pipeline; the water drop siphon device is arranged at the bottom of the demister. The utility model discloses a compound principle of horizontal dehydration, vertical defogging divides aqueous vapor, water smoke and treats the problem, and water and the water droplet of moisture gas are arranged outside by the dehydrator, and the water dirt gas is received completely by the defroster, and gas gets into the dust remover and carries out the operation of removing dust of back way. The utility model discloses can fully intercept and get rid of steam, water smoke in the pipeline, provide the application for wet-type environment dehydration defogging removes dust.

Description

Dewatering and demisting composite device

Technical Field

The utility model belongs to carry out the environmental protection equipment of dehydration defogging under the wet-type environment relates to and carries out the purifier of compound application with the dehydration defogging, and in particular to constitutes integrative composite set who carries out purification treatment in coordination with the dehydration defogging.

Background

The synthesis proportion of water, gas and dust in a wet environment is quite complex, and particularly a mixing system of an iron-making sintering plant and a rolling line system of hot rolling and finish rolling of a pollution large household in the metallurgical industry are the biggest pollution sources of ferrous metallurgy enterprises. The dust removal method mainly solves the problems of water-containing dust pollution, particularly the problem that the dust generated by water and steam is difficult to treat, and needs to be solved urgently in the field of dust removal at present.

According to the improved dust removal process of the hot rolling line, the moisture-containing dust mainly comes from a top suction dust collection cover to a side suction collection cover, and as the collection cover is lowered to a position of two meters from eight meters high altitude, the working condition is qualitatively changed, and the collected medium is also greatly changed. Moisture-containing gas is trapped at high altitude by the original trapping cover, moisture-containing gas is trapped by the existing trapping cover, and the content of water exceeds fifty percent, so that all dust removing equipment cannot carry out normal dust removal, and great hidden dangers are brought to the production environment and safety production on site. The harsh environment also seriously affects the physical and mental health of workers.

The existing dust removal equipment used in a wet environment comprises three types, namely wet electric dust removal, a pulse type bag dust remover and a plastic-fired plate dust remover, wherein the corona electrode of the wet electric dust removal is adhered by moisture-containing dust gas, so that the discharge efficiency is unstable, and the discharge fluctuation of particles is easy to cause and the particles cannot reach the standard; the bag and sintered plate dust removal can not work normally due to too high environmental moisture, so that the whole dust remover fails completely, and the normal production and the change of the environmental quality are influenced.

In view of this, scientific research personnel in the field of dust removal are dedicated to develop a composite device which integrates dehydration and demisting and performs cooperative purification treatment, so as to improve the cooperative treatment technology and the integrated process for removing water, gas and dust in a wet environment.

Disclosure of Invention

The utility model aims at providing a composite set of dehydration defogging, can be used to wet-type environment, adopt horizontal dehydration, the compound principle of vertical defogging, roll the aqueous vapor dirt of line side suction trapping cover entrapment to the hot rolling and divide and manage, water and the aqueous gas's water droplet is arranged outward by the dehydrator, aqueous vapor dirt gas is received completely by the defroster, gas gets into the dust remover and carries out the operation of removing dust of back way, this kind of dehydration in advance is the cooperative purification processing mode of defogging again, can fully intercept and get rid of the steam in the pipeline, water smoke, the problem that above-mentioned prior art exists has been solved.

The technical solution of the utility model is as follows:

a dehydration and demisting composite device comprises a dehydrator, a demister, a water drop siphon device and a demister drainage pipeline;

the dehydrator is provided with a buffering filter screen, a first baffle plate and a second baffle plate, the buffering filter screen is arranged in the front of the dehydrator, the bottom of the buffering filter screen is provided with a water storage tank, water molecules adhered on the filter screen become water drops and flow down to the water storage tank at the bottom, the first baffle plate and the second baffle plate are arranged behind the buffering filter screen, and the water-containing gas passing through the buffering filter screen moves forwards and passes through the two baffle plates and then is led to a diffusion amplifying port of the demister through a convergence port at the tail part of the dehydrator;

the demister is provided with a groove-shaped adsorption plate and a mist collecting filter screen, the groove-shaped adsorption plate is arranged on the front channel of the flaring, the mist collecting filter screen is arranged at the top end of the demister, the demister is connected with the dehydrator through a pipeline, water dust gas entering from a diffusion and amplification port of the demister passes through the flaring groove-shaped adsorption plate, and air flow is bent and slowly led upwards to the mist collecting filter screen under the damping action of the adsorption plate;

the water droplet siphon device sets up in the defroster bottom, sets up little negative pressure siphon device in the water droplet siphon device, and the defroster drainage pipe way is connected to water droplet siphon device, and the defroster receives the fog droplet on the fog filter screen and gathers into the water droplet and receive the water droplet by water droplet siphon device and totally arrange outward through defroster drainage pipe way, and the gas that the fog filter screen was received in the flow through gets into the dust remover and carries out the operation of back dust removal.

And the bottom water storage tank of the buffering filter screen is connected with a demister drainage pipeline to drain water outwards.

The second baffle is provided with a hook.

The utility model discloses a set composite for wet-type environment defogging that dewaters adopts the compound principle of horizontal dehydration, vertical defogging, can divide and manage to vapor, water smoke, and equipment possesses durable, the function of using repeatedly moreover. The dust gas after being treated by the dewatering and demisting device can be sent to a dust remover for dust removal operation, and the water vapor and water mist in the pipeline can be fully intercepted and removed by the collaborative purification treatment mode of dewatering and demisting firstly, so that a new option is provided for dewatering, demisting and dedusting in a wet environment, and the device has important application value.

Drawings

Fig. 1 is a schematic structural diagram of a dewatering and demisting compound device of the present invention.

Fig. 2 is a schematic view showing the structure of the first baffle plate in the dehydrator.

Fig. 3 is a schematic view of the second baffle in the dehydrator.

Fig. 4 is a schematic view showing a structure of a buffering filter net in the dehydrator.

Fig. 5 is a right side view of the cushioning filter screen shown in fig. 4.

FIG. 6 is a schematic view showing the structure of a tank-type adsorption plate in the demister.

FIG. 7 is a bottom view of the groove type adsorption plate shown in FIG. 6.

FIG. 8 is a schematic view of a mist collection screen in the mist eliminator.

Fig. 9 is a bottom view of the mist collecting strainer of fig. 8.

Reference numerals:

the device comprises a dehydrator 1, a demister 2, a water drop siphoning device 3, a demister drainage pipeline 4, a first baffle plate 5, a second baffle plate 6, a buffering filter screen 7, a groove-shaped adsorption plate 8 and a mist collecting filter screen 9.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples.

Referring to fig. 1 to 9, the present invention provides a dewatering and demisting compound device for dewatering and demisting in a wet environment. The utility model discloses mainly constitute by dehydrator 1, defroster 2, water droplet siphon device 3 and defroster drain line 4.

As shown in fig. 1 to 5, the dehydrator 1 is provided with a buffering filter screen 7, a first baffle plate 5 and a second baffle plate 6, the buffering filter screen 7 is arranged in the front of the dehydrator 1, the bottom of the buffering filter screen 7 is provided with a water storage tank, water molecules adhered on the filter screen become water drops and flow down to the water storage tank at the bottom, and the water storage tank at the bottom is connected with a demister drainage pipeline 4 to drain water outwards. The first baffle plate 5 and the second baffle plate 6 are arranged behind the buffering filter screen 7, the second baffle plate 6 is provided with a hook, and the water-containing gas passing through the buffering filter screen moves forwards and passes through the two baffle plates, and then is led to the diffusion and amplification port of the demister through the tail convergence port of the dehydrator.

As shown in figure 1, 6-9, defroster 2 installs cell type adsorption plate 8 and receipts fog filter screen 9, and cell type adsorption plate 8 sets up at the flaring front, receives fog filter screen 9 and sets up on the defroster top, passes through the pipe connection between defroster 2 and the dehydrator 1, and the water and dust gas that gets into from the defroster diffusion mouth of enlarging passes through flaring cell type adsorption plate 8, and the air current is zigzag slowly to be drawn to and is received fog filter screen 9 under the adsorption plate damping effect.

Water droplet siphon device 3 sets up in 2 bottoms of defroster, sets up little negative pressure siphon device in water droplet siphon device 3, and defroster drainage pipe way 4 is connected to water droplet siphon device 3, and the defroster receives the fog droplet on the fog filter screen 9 and gathers into the water droplet and receive to be totally outer arranging through defroster drainage pipe way 4 by water droplet siphon device 3, and the gas that the fog filter screen 9 was received in the flow-through gets into the dust remover and carries out the back dust removal operation.

The utility model discloses a composite set during operation of dehydration defogging, at first carry the water dust gas of entrapment to the dehydrator import by the pipeline, water dust gas passes through the first layer buffering filter screen of dehydrator from the diffusion amplification mouth of dehydrator, make the wind speed decline several times, descend to 6m/s by pipeline wind speed 36m/s, water is fully absorbed by the filter screen when buffering the filter screen, absorbed water smoke condenses into the water droplet and receives the influence of gravity, force the hydrone that the adhesion was on the filter screen to become the water droplet and descend to the bottom catch basin of dehydrator along the vertical filter screen of first layer, arrange through the water piping system, the moisture gas that passes buffering the filter screen moves ahead and passes through twice baffling board, first baffling board is the circular arc ripple type, make moisture gas fully encircle the ripple baffling board, let the hydrone form the hydrops and pass second baffling board, second baffling board is the curved hook, when the gas-containing accumulated liquid passes through the water discharging pipeline, the accumulated liquid is captured by the hook to form a small vortex, and the vortex repeatedly impacts the hook to change the accumulated liquid into water flow which vertically flows down to a water storage tank at the bottom of the dehydrator along the vertical direction of the hook to be discharged by the water discharging pipeline system.

Then the water-containing gas is led to a diffusion amplifying port of the demister through a tail convergence port of the dehydrator, the water and dust gas entering the diffusion amplifying port passes through a flaring groove type adsorption plate, the specific surface area of the flaring groove type adsorption plate is 1:3, the expanded adsorption plate enables the gas flow to be bent and slowly led to a mist collecting filter screen at the top end of the demister under the damping action, at the moment, the wind speed is about 4m/s, mist drops on the mist collecting filter screen are accumulated into water drops which are collected by a water drop siphoning device at the bottom of the demister, the water drops are uniformly discharged through a water discharge pipeline system, and the gas flowing through the mist collecting filter screen enters a dust remover to carry out.

To sum up, the utility model discloses a set composite for wet-type environment dewaters defogging adopts the compound principle of horizontal dehydration, vertical defogging, can divide and manage to vapor, water smoke, and equipment possesses durable, the function of using repeatedly moreover. The dust gas after being treated by the dewatering and demisting device can be sent to a dust remover for dust removal operation, and the water vapor and water mist in the pipeline can be fully intercepted and removed by the collaborative purification treatment mode of dewatering and demisting firstly, so that a new option is provided for dewatering, demisting and dedusting in a wet environment, and the device has important application value.

Of course, those skilled in the art should recognize that the above-described embodiments are merely illustrative of the present invention and are not intended to be limiting, and that changes, modifications, etc. to the above-described embodiments are intended to fall within the scope of the appended claims, provided they fall within the true spirit of the present invention.

Claims (3)

1. The utility model provides a set composite of dehydration defogging which characterized in that: the device comprises a dehydrator (1), a demister (2), a water drop siphoning device (3) and a demister drainage pipeline (4);

the dehydrator (1) is provided with a buffering filter screen (7), a first baffle plate (5) and a second baffle plate (6), the buffering filter screen (7) is arranged in the front of the dehydrator (1), the bottom of the buffering filter screen (7) is provided with a water storage tank, water molecules adhered on the filter screen become water drops and flow down to the water storage tank at the bottom, the first baffle plate (5) and the second baffle plate (6) are arranged behind the buffering filter screen (7), and the water-containing gas passing through the buffering filter screen moves forwards and passes through the two baffle plates and then is led to a diffusion amplifying opening of the demister through a convergence opening at the tail part of the dehydrator;

the demister (2) is provided with a groove-shaped adsorption plate (8) and a mist collecting filter screen (9), the groove-shaped adsorption plate (8) is arranged on the flaring front channel, the mist collecting filter screen (9) is arranged at the top end of the demister, the demister (2) is connected with the dehydrator (1) through a pipeline, water dust gas entering from a diffusion and amplification port of the demister passes through the flaring groove-shaped adsorption plate (8), and air flow is bent and slowly led upwards to the mist collecting filter screen (9) under the damping action of the adsorption plate;

water droplet siphon device (3) set up in defroster (2) bottom, set up little negative pressure siphon device in water droplet siphon device (3), defroster drainage pipe way (4) is connected in water droplet siphon device (3), and the fog droplet that the defroster was received on fog filter screen (9) is gathered into the water droplet and is collected by water droplet siphon device (3) and arrange outward through defroster drainage pipe way (4), and the gas that flows through and receive fog filter screen (9) gets into the dust remover and carries out the back dust removal operation.

2. The de-watering and de-fogging composite set forth in claim 1, wherein: the bottom water storage tank of the buffering filter screen (7) is connected with a demister drainage pipeline (4) to drain water outwards.

3. The de-watering and de-fogging composite set forth in claim 1, wherein: the second baffle plate (6) is provided with a hook.

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