Dust remover for thermal power plant

Abstract

The utility model discloses a dust remover for a thermal power plant, which comprises a dust remover shell, an exhaust pipe is communicated with the upper side of the dust remover shell, a fan is mounted in the exhaust pipe, a water tank is arranged inside the lower end of the dust remover shell, and an air inlet pipe is communicated with the inside of the water tank; the left lower end of the water tank is communicated with a drainage pipe, and the right upper end of the water tank is communicated with a water adding pipe; a first motor is installed on the lower right portion of the dust remover shell, the output end of the first motor is connected with a first rotating rod, and a first filter plate is installed on the outer side of the first rotating rod; and a through hole is formed in the dust remover shell. According to the dust remover for the thermal power plant, flue gas is firstly sucked into the water tank, the flue gas is cooled through water in the water tank, the dust is preliminarily intercepted in the water in cooperation with the use of the first filter plate, the flue gas is moist and upwards discharged to be intercepted and filtered, the situation that when the dust is cleaned, the dust floats to be combined with the flue gas again is avoided, and the dust removal efficiency of the flue gas is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of dust removal in thermal power plants, in particular to a dust collector in thermal power plants. Background Art

[0002] A thermal power plant is a factory that uses combustibles to produce electricity. It is composed of a large number of various mechanical devices and electrical equipment. These devices and equipment must work in a coordinated manner to achieve the goal of safe and economical production. Among them, the dust collector is used to remove dust from the flue gas generated by the combustion of the thermal power plant to reduce its impact on the air.

[0003] Among them, the publication number CN216726227U is called a thermal power plant dust collector, which includes a dust removal mechanism, a cleaning mechanism is arranged inside the dust removal mechanism, and the cleaning mechanism includes two hydraulic push rods, which are fixedly installed inside the cross plate and their output ends penetrate and extend to the bottom of the cross plate. The output ends of the hydraulic push rods are fixedly connected to the connecting plate, and the outside of the connecting plate is fixedly installed with a brush plate with one end in contact with the inner wall of the bin body, and the inside of the connecting plate is fixedly installed with two brushes with one end in contact with the dust bag, and the dust removal mechanism is provided with a shock absorbing mechanism. The thermal power plant dust collector can efficiently clean the dust removal mechanism by setting a cleaning mechanism, reduce the cleaning difficulty, improve the use effect of the dust removal mechanism, is easy to use, and has strong practicality, solving the problem that the dust remaining inside the existing thermal power plant dust collector is difficult to clean.

[0004] The above-mentioned prior art utilizes a cleaning mechanism and a blowing mechanism to clean the internal dust bag. This cleaning method causes the dust to float in the dust collector, and the incoming air will repeatedly contact the dust, and the dust will repeatedly adhere to the dust filter plate, reducing its cleaning effect. In addition, the air temperature in a thermal power plant is high, and the air temperature cannot be lowered synchronously. The high-temperature air is directly discharged, which will also pollute the air environment. Therefore, we proposed a thermal power plant dust collector to solve the above-mentioned problems. Utility Model Content

[0005] The purpose of the utility model is to provide a dust collector for a thermal power plant to solve the problem raised by the above-mentioned background technology that dust in the current market will repeatedly adhere to the dust filter plate, reducing its cleaning effect, and the air temperature in the thermal power plant is high and the air temperature cannot be lowered synchronously. The high-temperature air is directly discharged, which will also cause pollution to the air environment.

[0006] To achieve the above object, the utility model provides the following technical solution: a dust collector for a thermal power plant, comprising a dust collector housing, the upper side of the dust collector housing is connected to an exhaust pipe, a fan is installed in the exhaust pipe, a water tank is opened inside the lower end of the dust collector housing, and the inside of the water tank is connected to an air intake pipe;

[0007] The lower left end of the water tank is connected to a drain pipe, and the upper right end of the water tank is connected to a water supply pipe;

[0008] A first motor is installed at the lower right side of the dust collector housing, an output end of the first motor is connected to a first rotating rod, and a first filter plate is installed on the outer side of the first rotating rod;

[0009] A through hole is provided inside the dust collector housing, the through hole and the water tank are connected to each other, and a baffle is installed inside the water tank;

[0010] A second motor is installed on the upper side of the dust collector shell, the output end of the second motor is connected to a second rotating rod, the lower end of the second rotating rod is connected to a third filter plate, the lower end of the third filter plate is installed with a second filter plate, a waterproof and breathable membrane is connected to the outer side of the lower side of the third filter plate, and a bump is installed on the outer side of the upper side of the third filter plate.

[0011] Preferably, a spring is connected to the inner wall of the dust collector housing, and one end of the spring is connected to a knocking rod.

[0012] Preferably, an arc-shaped notch is provided at one end of the first filter plate, and the notch of the first filter plate and the baffle at the corresponding position fit each other.

[0013] Preferably, the second filter plate and the third filter plate are both conical structures, and the second filter plate and the third filter plate both form a rotating structure with the dust collector housing.

[0014] Preferably, the protrusion is a trapezoidal structure, the position of the protrusion and the position of the knocking rod correspond to each other, and the knocking rod forms an elastic structure with the dust collector housing through a spring.

[0015] Preferably, the bottom surface of the water tank is distributed in an inclined shape, and the first filter plates and baffles are distributed alternately inside the water tank.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] (1) The dust collector of the thermal power plant first sucks the flue gas into the water tank, cools the flue gas by the water in the water tank, and uses the first filter plate to initially intercept the dust in the water, and the flue gas is moistened and sent upward for interception and filtration, so as to avoid the dust floating and combining with the flue gas again when cleaning the dust, thereby improving the efficiency of dust removal of the flue gas;

[0018] (2) The dust collector of the thermal power plant uses a waterproof and breathable membrane to intercept and separate the moisture in the flue gas, and cooperates to drive the third filter plate and the second filter plate to rotate, and uses the centrifugal force of rotation to throw off the dust and water droplets. The knocking rod is intermittently pushed by the protrusion and the elastic force of the spring, so that the knocking rod knocks on the third filter plate. The knocking force helps the water droplets and dust fall, which makes it easier for the waterproof and breathable membrane, the third filter plate and the second filter plate to continuously cleanly treat the flue gas. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the cross-sectional structure of the utility model;

[0021] Figure 3 For this utility model Figure 2 A is an enlarged structural diagram;

[0022] Figure 4 This is a schematic diagram of the structure of the waterproof and breathable membrane of the utility model;

[0023] Figure 5 This is a schematic diagram of the structure of the third filter plate of the utility model;

[0024] Figure 6 This is a schematic diagram of the structure of the first filter plate of the utility model.

[0025] In the figure: 1. dust collector housing; 2. exhaust pipe; 3. fan; 4. drain pipe; 5. water supply pipe; 6. air inlet pipe; 7. water tank; 8. first rotating rod; 9. first motor; 10. first filter plate; 11. baffle; 12. through hole; 13. second filter plate; 14. third filter plate; 15. waterproof breathable membrane; 16. second rotating rod; 17. second motor; 18. spring; 19. knocking rod; 20. bump. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] See also Figure 1-Figure 6The utility model provides the following technical solution: a dust collector for a thermal power plant, comprising a dust collector housing 1, an exhaust pipe 2 is connected to the upper side of the dust collector housing 1, a fan 3 is installed in the exhaust pipe 2, a water tank 7 is opened inside the lower end of the dust collector housing 1, and an air intake pipe 6 is connected to the inside of the water tank 7; a drain pipe 4 is connected to the lower left end of the water tank 7, and a water supply pipe 5 is connected to the upper right end of the water tank 7; a first motor 9 is installed at the lower right side of the dust collector housing 1, and a first rotating rod 8 is connected to the output end of the first motor 9, and the outer side of the first rotating rod 8 A first filter plate 10 is installed; a through hole 12 is opened inside the dust collector housing 1, the through hole 12 and the water tank 7 are connected to each other, and a baffle 11 is installed inside the water tank 7; a second motor 17 is installed on the upper side of the dust collector housing 1, a second rotating rod 16 is connected to the output end of the second motor 17, a third filter plate 14 is connected to the lower end of the second rotating rod 16, a second filter plate 13 is installed at the lower end of the third filter plate 14, a waterproof and breathable membrane 15 is connected to the outer side of the lower side of the third filter plate 14, and a bump 20 is installed on the outer side of the upper side of the third filter plate 14;

[0028] Remove the cap threaded at the end of the water supply pipe 5, add water into the water tank 7 through the water supply pipe 5, turn on the power of the fan 3 to suck the air, and the negative pressure sucks the smoke from the air inlet pipe 6 into the water tank 7. The smoke contacts the water to cool it down, and the dust in the smoke is initially intercepted in the water through the first filter plate 10. The preliminarily treated smoke flows upward through the through hole 12, and the second filter plate 13 intercepts and filters the smoke again, and then continues to flow upward. The water in the air is intercepted on the waterproof breathable membrane 15, and the treated smoke continues to flow upward along the third filter plate 14 and is discharged from the exhaust pipe 2;

[0029] Furthermore, a spring 18 is connected to the inner wall of the dust collector housing 1, and one end of the spring 18 is connected to a knocking rod 19; an arc-shaped notch is provided at one end of the first filter plate 10, and the notch of the first filter plate 10 and the baffle 11 at the corresponding position fit each other, and the baffle 11 is used to enclose the notch of the first filter plate 10, so that the flue gas can pass through the first filter plate 10 smoothly to intercept the dust, and the first filter plate 10 is controlled to rotate with the notch facing downward, so that the sewage can be discharged; the second filter plate 13 and the third filter plate 14 are both conical structures, and the second filter plate 13 and the third filter plate 14 both form a rotating structure with the dust collector housing 1, and the second filter plate 13 can be used and the rotating centrifugal force of the third filter plate 14 to clean the intercepted dust and water droplets; the protrusion 20 is a trapezoidal structure, and the position of the protrusion 20 corresponds to the position of the knocking rod 19. The knocking rod 19 forms an elastic structure with the dust collector housing 1 through the spring 18. The protrusion 20 is used to intermittently push the knocking rod 19, and cooperates with the elastic force of the spring 18, so that the knocking rod 19 continuously knocks the third filter plate 14, and the vibration force is used to assist in cleaning the dust and water droplets; the bottom surface of the water tank 7 is distributed in an inclined shape, and the first filter plate 10 and the baffle 11 are staggered inside the water tank 7, so that the sewage in the water tank 7 is concentrated to the drain pipe 4 for discharge;

[0030] The second motor 17 is powered on to control the second rotating rod 16 connected to the output end to rotate, thereby controlling the third filter plate 14 installed on the outside to rotate, and then controlling the second filter plate 13 to rotate, and utilizing the centrifugal force of rotation to throw off the dust on the second filter plate 13, and throw off the water drops on the waterproof breathable membrane 15. At the same time, when the third filter plate 14 rotates, the protrusion 20 on the outside contacts with the knocking rod 19, squeezing the knocking rod 19, so that the knocking rod 19 stretches and stores force on the spring 18. When the position of the protrusion 20 and the knocking rod 19 is staggered, the spring 18 can control the knocking rod 19 to reset and move, and the knocking rod 19 is moved. The knocking rod 19 knocks the third filter plate 14, and the knocking force helps the water droplets and dust fall down, which is convenient for continuous treatment of the flue gas. The water droplets and dust are concentrated at the through hole 12 along the inclined surface and concentrated in the water tank 7. The water in the water tank 7 is replaced regularly, and the first motor 9 is powered on to control the first rotating rod 8 connected to the output end to rotate, thereby controlling the first filter plate 10 to rotate, and the notch of the first filter plate 10 is moved downward, and the cap threaded on the drain pipe 4 is removed to discharge the sewage. The contents not described in detail in this manual belong to the existing technology known to professional and technical personnel in this field.

[0031] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A dust collector for a thermal power plant, comprising a dust collector housing (1), characterized in that: The upper side of the dust collector housing (1) is connected to an exhaust pipe (2), a fan (3) is installed in the exhaust pipe (2), a water tank (7) is provided inside the lower end of the dust collector housing (1), and the inside of the water tank (7) is connected to an air intake pipe (6); The lower left end of the water tank (7) is connected to a drain pipe (4), and the upper right end of the water tank (7) is connected to a water supply pipe (5); A first motor (9) is installed at the lower right side of the dust collector housing (1); an output end of the first motor (9) is connected to a first rotating rod (8); and a first filter plate (10) is installed on the outer side of the first rotating rod (8); A through hole (12) is provided inside the dust collector housing (1), the through hole (12) and the water tank (7) are in communication with each other, and a baffle (11) is installed inside the water tank (7); A second motor (17) is installed on the upper side of the dust collector housing (1), the output end of the second motor (17) is connected to a second rotating rod (16), the lower end of the second rotating rod (16) is connected to a third filter plate (14), the lower end of the third filter plate (14) is installed with a second filter plate (13), the lower outer side of the third filter plate (14) is connected to a waterproof breathable membrane (15), and the upper outer side of the third filter plate (14) is installed with a protrusion (20).

2. The dust collector for a thermal power plant according to claim 1, characterized in that: A spring (18) is connected to the inner wall of the dust collector housing (1), and one end of the spring (18) is connected to a knocking rod (19).

3. The dust collector for a thermal power plant according to claim 1, characterized in that: An arc-shaped notch is provided at one end of the first filter plate (10), and the notch of the first filter plate (10) and the baffle plate (11) at a corresponding position fit each other.

4. The dust collector for a thermal power plant according to claim 1, characterized in that: The second filter plate (13) and the third filter plate (14) are both conical structures, and the second filter plate (13) and the third filter plate (14) both form a rotating structure with the dust collector housing (1).

5. The dust collector for a thermal power plant according to claim 2, characterized in that: The convex block (20) is a trapezoidal structure, the position of the convex block (20) and the position of the knocking rod (19) correspond to each other, and the knocking rod (19) forms an elastic structure with the dust collector housing (1) through a spring (18).

6. The dust collector for a thermal power plant according to claim 1, characterized in that: The bottom surface of the water tank (7) is distributed in an inclined shape, and first filter plates (10) and baffles (11) are distributed in an alternating manner inside the water tank (7).

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