Efficient composite demisting and dedusting equipment

Abstract

The utility model discloses efficient composite demisting and dedusting equipment, and relates to the technical field of flue gas and waste gas treatment. The demister comprises a water tank, a treatment tank, a water pump, a transverse pipe, a demisting assembly and water spraying shells, the treatment tank is fixed at the upper end of the water tank, the two water spraying shells distributed up and down are fixed on the inner wall of the treatment tank, and the two sides of each water spraying shell incline downwards and are symmetrically arranged about the center of the water spraying shell; a demisting assembly is arranged in the treatment box above the water spraying shell and comprises cambered surface baffle plates which are distributed at equal intervals, connecting rods are jointly fixed to the upper ends and the lower ends of all the cambered surface baffle plates, and the two ends of each connecting rod are fixed to the inner wall of the treatment box; a water pump is fixed on one side of the treatment box, and a transverse pipe is rotatably connected in the treatment box above the demisting assembly in a penetrating manner. Through the arrangement of the treatment box, the demisting assembly, the water spraying shell, the water pump and the water tank, the problems that flue gas dust removal and demisting cannot be synchronously combined for use, and spraying type dust falling treatment is not thorough are solved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to flue gas waste gas treatment technical field, especially relate to a kind of high-efficiency composite demisting dust-removing equipment. BACKGROUND

[0002] Flue gas usually refers to the mixture of gas and smoke produced when matter burns. This mixture can contain a variety of components, including but not limited to water vapor, carbon dioxide, carbon monoxide, nitrogen oxides, sulfides and solid particles, etc. The composition and characteristics of flue gas are closely related to the matter burned, the combustion conditions and the treatment process after combustion. In various industrial production, some harmful waste gas that cannot be directly discharged will be generated, and these flue gas, waste gas, etc. need to be treated before being discharged, but the related treatment equipment still has the following disadvantages in actual use:

[0003] Flue gas, waste gas may contain sulfides, nitrides, dust, etc., and needs to be treated by a series of dust removal, desulfurization, denitrification, etc. The specific treatment is selected according to the substances contained in the flue gas, but in the flue gas dust removal operation, the dust removal by spraying water is usually used, but some flue gas is in a high temperature state, even after water spraying dust removal, the gas may contain water, forming droplets, at this time, if it is discharged, white smoke phenomenon may be formed, so the demisting and dust removal functions need to be combined, and the demisting treatment is carried out in time after dust removal.

[0004] Secondly, the spraying dust removal method may still have the problem of incomplete dust removal. When the air intake is too large, the spraying dust removal may not fully consider all the waste gas, and the dust removal effect may not be thorough. INVENTION CONTENTS

[0005] The utility model discloses a kind of high-efficiency composite demisting dust-removing equipment, by setting processing box, demisting component, water spraying shell, water pump, water tank, solve the problem that flue gas dust removal demisting cannot be used synchronously combined, and spraying dust removal treatment is not thorough.

[0006] To solve the above technical problems, the utility model is realized by the following technical solutions:

[0007] The utility model discloses a kind of high-efficiency composite demisting dust-removing equipment, including water tank, processing box, water pump, horizontal pipe, demisting component and water spraying shell, the upper end of water tank is fixed with processing box, the inner wall of processing box is fixed with two water spraying shells distributed in upper and lower, water spraying shell both sides are inclined downward and symmetrically arranged with the center of itself;

[0008] Demisting component is arranged in the processing box above water spraying shell, and the demisting component includes equidistantly distributed arc baffle plates, the upper and lower ends of all arc baffle plates are fixed with connecting rods, and the connecting rods are fixed to the inner wall of the processing box at both ends.

[0009] The water pump is fixed on one side of the treatment box, and a horizontal pipe is rotationally connected in the treatment box above the demisting assembly.

[0010] Further, a limiting ring is fixed on the inner wall of the water tank, a filter frame is arranged inside the water tank above the limiting ring, and two layers of filter screens are fixed in the filter frame.

[0011] Further, an arc-shaped insertion slot is formed through the side wall of the water tank outside the filter frame, the diameter of the insertion slot is equal to the diameter of the filter frame, a through slot is further formed in the upper end of the filter frame, one half of the through slot is located at the bottom of the treatment box and is in communication with the inside of the treatment box, and the other half of the through slot extends out of the treatment box; a triangular slope is further fixed at the bottom of the treatment box, and the slope is inclined towards the direction of the through slot.

[0012] Further, an air inlet is fixed through the side wall of the treatment box away from the water pump, the air inlet is arranged below the water spraying shell at the connection position of the air inlet and the treatment box, and an air outlet is fixed through the upper end of the treatment box.

[0013] Further, a water pumping pipe is fixed through the water pumping end of the water pump, one end of the water pumping pipe away from the water pump penetrates the side wall of the water tank and extends into the inner bottom of the water tank; a water outlet pipe is fixed at the water outlet end of the water pump, and one end of the water outlet pipe away from the water pump penetrates the side wall of the treatment box and is in communication connection with the water spraying shell.

[0014] Further, a plurality of spray heads are fixed through the bottom of the horizontal pipe at equal intervals, a motor is fixed on the outer wall of the treatment box at the end of the horizontal pipe, and the output shaft of the motor is fixedly connected with the end of the horizontal pipe.

[0015] Further, a branch pipe is further fixed through the water outlet pipe outside the treatment box, a valve is arranged on the branch pipe, one end of the branch pipe away from the water outlet pipe is in communication connection with the part of the horizontal pipe extending out of the treatment box, and the branch pipe is a flexible pipe.

[0016] The utility model has the advantages of the following beneficial effects:

[0017] The utility model discloses a treatment box, demisting assembly, water spraying shell are set up, have solved the problem that flue gas dust removal and demisting cannot be used simultaneously, the flue gas is introduced into the treatment box, the water pump extracts the water in the water tank, then sprays from the water spraying shell, at this time, the inclined continuous water flow is formed on both sides of the water spraying shell and is rushed to the inner wall of the treatment box, at this time, the flue gas enters from below, must pass through the water flow, and the dust in the flue gas must contact the water flow and is adsorbed and settled, realizes comprehensive dust removal treatment, and then the flue gas rises, carries the mist drop, when passing through the demisting assembly, is contacted and is caught by the arc baffle, realizes demisting, thereby combines the use of dust removal and demisting, and the flue gas reaches the discharge standard quickly.

[0018] The utility model discloses a spray shell, processing box, water pump, water tank are set up, solved the problem that the spray type dust removal is not thorough, water pump extracts the water in water tank, and then sprays from the spray shell, at this moment, the oblique continuous water flow that will form in the both sides of spray shell is rushed to the processing box inner wall, when the flue gas passes, no matter how big the air intake, the flue gas will contact the water flow, can guarantee the dust removal efficiency greatly, and the dust content in the flue gas is greatly reduced.

[0019] The utility model discloses a water tank, processing box are set up, energy is saved effectively, avoid the waste of water resources, and the utilization rate of energy is high, and the water that the spray shell sprays contacts the flue gas, makes water and dust mutually stick, condense, expand, and the specific gravity increases, makes dust and flue gas separate, finally falls into the water tank and is filtered by the screen, is extracted by water pump again, realizes the recycling operation, and in the demisting component, the fog drop contacts the arc baffle and is captured, under the condition of continuously capturing liquid drops, finally falls into the water tank and is recycled, and the water that the spray pipe cleaning arc baffle produces also falls into the water tank and is recycled, reduces resource waste as far as possible. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, below will to the embodiment description needed to use the drawing of simple introduction.

[0021] Figure 1 It is a kind of high-efficiency composite demisting dust removal equipment's perspective view;

[0022] Figure 2 It is Figure 1 It is the structure diagram of another angle;

[0023] Figure 3 It is a kind of high-efficiency composite demisting dust removal equipment's sectional view;

[0024] Figure 4 It is the connection diagram of spray shell and water pump;

[0025] Figure 5 It is the structure diagram of demisting component;

[0026] Figure 6 It is the structure diagram of horizontal pipe;

[0027] Figure 7 It is the sectional view of water tank.

[0028] Reference signs:

[0029] 1, water tank; 101, slot; 102, through slot; 103, filter frame; 1031, filter screen; 104, limiting ring; 2, processing box; 201, air inlet; 202, air outlet; 203, motor; 3, water pump; 301, water suction pipe; 302, water outlet pipe; 303, branch pipe; 3031, valve; 4, cross pipe; 401, spray head; 5, demisting assembly; 501, arc baffle; 502, connecting rod; 6, water spraying shell. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model.

[0031] Please refer to Figures 1-7 The utility model discloses a kind of high-efficiency composite demisting and dust removal equipment, including water tank 1, processing box 2, water pump 3, cross pipe 4, demisting assembly 5 and water spraying shell 6, water tank 1 upper end is fixed with processing box 2, two water spraying shells 6 distributed upside down are fixed on the inner wall of processing box 2, water spraying shell 6 both sides are inclined downward and symmetrically arranged with its center;

[0032] Water tank 1 is located below processing box 2, stores certain processing water, then, using water pump 3 to extract to spray in water spraying shell 6, at this time, it will form inclined continuous water flow on the both sides of water spraying shell 6 and rush to the inner wall of processing box 2, cover the gap between water spraying shell 6 and processing box 2, at this time, flue gas must pass through the water flow sprayed by water spraying shell 6, realize comprehensive dust removal treatment;When flue gas passes, no matter how much air intake, flue gas will contact water flow, can greatly guarantee dust removal efficiency;

[0033] Demisting assembly 5 is arranged in the processing box 2 above water spraying shell 6, and demisting assembly 5 includes equidistantly distributed arc baffle 501, the upper and lower ends of all arc baffles 501 are commonly fixed with connecting rod 502, and the both ends of connecting rod 502 are fixed on the inner wall of processing box 2.

[0034] Flue gas rises after dust removal, and at this time, carries droplets in flue gas, when passing through demisting assembly 5, is captured by a large number of arc baffles, and the surface area of the arc baffle is large, so that more flue gas can be contacted, and the droplets are captured by the arc baffle, so that demisting is realized.

[0035] Water pump 3 is fixed on one side of processing box 2, and cross pipe 4 is rotatably connected in the processing box 2 above demisting assembly 5 in a penetrating manner;Water pump 3 is used for extracting water in water tank 1, and cross pipe 4 is used for cleaning demisting assembly 5.

[0036] Limiting ring 104 is fixed on the inner wall of water tank 1, filter frame 103 is arranged in the water tank 1 above limiting ring 104, and two layers of filter screens 1031 are fixed in filter frame 103.

[0037] The water falling into the water tank 1 is filtered by the double-layer filter screen 1031 in the filter frame 103, so as to block impurities and avoid the impurities circulating in the water; the limiting ring 104 is used for supporting the filter frame 103, and the water level in the water tank 1 is not higher than the filter screen 1031.

[0038] An arc-shaped insertion slot 101 is formed through the side wall of the water tank 1 outside the filter frame 103, the diameter of the insertion slot 101 is equal to the diameter of the filter frame 103, and a through slot 102 is further formed in the upper end of the filter frame 103, one half of the through slot 102 is located at the bottom of the treatment tank 2 and is in communication with the inside of the treatment tank 2, and the other half of the through slot 102 extends out of the treatment tank 2; a triangular slope is further fixed at the bottom of the treatment tank 2, and the slope is inclined towards the direction of the through slot 102;

[0039] The insertion slot 101 is used for replacing the filter screen 1031, the filter frame 103 is inserted into the insertion slot 101 with a new filter screen 1031, and the filter frame 103 is pulled out of the insertion slot 101 when disassembled; the design of the through slot 102 can facilitate the water in the treatment tank 2 to fall back into the water tank 1, and part of the through slot 102 leaks out of the treatment tank 2, so that workers can easily observe the filtering condition of the filter screen 1031 and whether it needs to be replaced.

[0040] An air inlet 201 is fixed through the side wall of the treatment tank 2 away from the water pump 3, and the connection between the air inlet 201 and the treatment tank 2 is located below the water spraying shell 6; an air outlet 202 is fixed through the upper end of the treatment tank 2; the air inlet 201 is used for introducing untreated flue gas, and the air outlet 202 is used for discharging treated flue gas.

[0041] The water pumping end of the water pump 3 is fixed with a water pumping pipe 301, one end of the water pumping pipe 301 away from the water pump 3 penetrates the side wall of the water tank 1 and extends into the bottom of the water tank 1; the water outlet end of the water pump 3 is fixed with a water outlet pipe 302, one end of the water outlet pipe 302 away from the water pump 3 penetrates the side wall of the treatment tank 2 and is connected with the water spraying shell 6;

[0042] The water pump 3 extracts the water below the filter screen 1031 through the water pumping pipe 301, and then introduces the water into the water spraying shell 6 through the water outlet pipe 302, and sprays the water through the openings on both sides of the water spraying shell 6 to form a uniform and continuous dust removal water flow.

[0043] The bottom of the horizontal pipe 4 is fixed with a plurality of spray heads 401 in a through and equidistant manner, the outer wall of the treatment tank 2 at the end of the horizontal pipe 4 is fixed with a motor 203, and the output shaft of the motor 203 is fixedly connected with the end of the horizontal pipe 4;

[0044] The water outlet pipe 302 outside the treatment tank 2 is further fixed with a branch pipe 303, the branch pipe 303 is provided with a valve 3031, and one end of the branch pipe 303 away from the water outlet pipe 302 is connected with the part of the horizontal pipe 4 extending out of the treatment tank 2, and the branch pipe 303 is a flexible pipe;

[0045] The motor 203 drives the transverse pipe 4 to reciprocate by 180 degrees, so that the spray head 401 rotates, and the transverse pipe 4 is connected with the branch pipe 303, the valve 3031 is opened, the branch pipe 303 is connected with the water outlet pipe 302, water is injected into the transverse pipe 4, is sprayed through the spray head 401, and is combined with the rotation of the transverse pipe 4, so that the arc baffle on the demisting assembly 5 is washed, small droplets and the like on the arc baffle are washed down, and the demisting operation is avoided.

[0046] The specific working principle of the utility model is as follows: firstly, the water tank 1 is located below the treatment tank 2 and stores a certain amount of treatment water, the water pump 3 draws the water below the filter screen 1031 through the water suction pipe 301, and then the water is introduced into the water spraying shell 6 through the water outlet pipe 302, is sprayed through the openings on the two sides of the water spraying shell 6, and uniform and continuous dust removal water flow is formed, at this time, the air inlet 201 introduces untreated flue gas, the flue gas will inevitably pass through the water flow, and the dust in the flue gas will inevitably contact the water flow and be adsorbed and settled, so that comprehensive dust removal treatment is realized, then the flue gas rises, carries droplets, and when the flue gas passes through the demisting assembly 5, the droplets contact the arc baffle and are captured, so that demisting is realized; finally, the air outlet 202 discharges the treated flue gas.

[0047] The spray assembly needs to be cleaned regularly, the motor 203 drives the transverse pipe 4 to reciprocate by 180 degrees, so that the spray head 401 rotates, the valve 3031 is opened, the branch pipe 303 is connected with the water outlet pipe 302, water is injected into the transverse pipe 4, is sprayed through the spray head 401, and is combined with the rotation of the transverse pipe 4, so that the arc baffle on the demisting assembly 5 is washed, and small droplets and the like condensed on the arc baffle are washed down.

[0048] The water sprayed by the spray head 401 and the water spraying shell 6 finally falls into the water tank 1 through the through groove 102, is filtered through the filter screen 1031 in the filter frame 103, and is recycled.

[0049] The above is only the preferred embodiment of the utility model, and does not limit the utility model, any modification, equivalent replacement, improvement of the technical scheme recorded in the foregoing embodiments, and the modification, equivalent replacement, improvement, all belong to the protection range of the utility model.

Claims

1. A high-efficiency composite demisting and dust-removing device, comprising a water tank (1), a treatment tank (2), a water pump (3), a horizontal pipe (4), a demisting assembly (5) and a water spraying shell (6), characterized in that: The upper end of the water tank (1) is fixedly provided with a treatment tank (2), the inner wall of the treatment tank (2) is fixedly provided with two water spraying shells (6) distributed in upper and lower positions, the two sides of the water spraying shell (6) are downwardly inclined and symmetrically arranged with the center of the water spraying shell (6) as the symmetry center; A demisting assembly (5) is arranged in the treatment tank (2) above the water spraying shell (6), the demisting assembly (5) comprises equidistantly distributed arc baffle plates (501), the upper and lower ends of all the arc baffle plates (501) are fixedly provided with connecting rods (502) in common, and the two ends of the connecting rod (502) are fixedly provided on the inner wall of the treatment tank (2); One side of the treatment tank (2) is fixedly provided with a water pump (3), and the treatment tank (2) is throughly and rotatably connected with a horizontal pipe (4) above the demisting assembly (5).

2. The high-efficiency composite mist and dust removal equipment according to claim 1, characterized in that: The inner wall of the water tank (1) is fixedly provided with a limiting ring (104), the inside of the water tank (1) above the limiting ring (104) is provided with a filter frame (103), and the filter frame (103) is fixedly provided with two layers of filter screens (1031).

3. The high-efficiency composite mist and dust removal equipment according to claim 2, characterized in that: An arc-shaped insertion slot (101) is throughly formed in the side wall of the water tank (1) outside the filter frame (103), the diameter of the insertion slot (101) is equal to the diameter of the filter frame (103), a through slot (102) is further formed in the upper end of the filter frame (103), one half of the through slot (102) is located at the bottom of the treatment tank (2) and is throughly connected with the inside of the treatment tank (2), and the other half of the through slot (102) extends out of the treatment tank (2); a triangular slope is further fixedly arranged at the bottom of the treatment tank (2), and the slope is inclined towards the direction of the through slot (102).

4. The high-efficiency composite mist and dust removal equipment according to claim 1, characterized in that: An air inlet (201) is throughly fixed on the side wall of the treatment tank (2) away from the water pump (3), the connection between the air inlet (201) and the treatment tank (2) is located below the water spraying shell (6), and the upper end of the treatment tank (2) is throughly fixed with an air outlet (202).

5. The high-efficiency composite mist and dust removal equipment according to claim 1, characterized in that: The water pumping end of the water pump (3) is throughly fixed with a water pumping pipe (301), one end of the water pumping pipe (301) away from the water pump (3) throughly penetrates the side wall of the water tank (1) and extends into the bottom of the water tank (1); the water outlet end of the water pump (3) is fixedly provided with a water outlet pipe (302), and one end of the water outlet pipe (302) away from the water pump (3) throughly penetrates the side wall of the treatment tank (2) and is throughly connected with the water spraying shell (6).

6. The high-efficiency composite mist and dust removal equipment according to claim 1, characterized in that: The bottom of the horizontal pipe (4) is throughly and equidistantly fixed with a plurality of spray heads (401), the outer wall of the treatment tank (2) outside the end of the horizontal pipe (4) is fixedly provided with a motor (203), and the output shaft of the motor (203) is fixedly connected with the end of the horizontal pipe (4).

7. The high-efficiency composite mist and dust removal equipment according to claim 5, characterized in that: The water outlet pipe (302) outside the treatment tank (2) is further throughly fixed with a branch pipe (303), the branch pipe (303) is provided with a valve (3031), and one end of the branch pipe (303) away from the water outlet pipe (302) is throughly connected with the part of the horizontal pipe (4) extending out of the treatment tank (2), and the branch pipe (303) is a flexible pipe.

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