CN209763127U - A dedusting boiler with spray desulfurization function - Google Patents

Abstract

the utility model discloses a dust removal boiler with fountain desulfurization function, which comprises a supporting pedestal and is characterized by further comprising, top one side outer wall that supports the base is provided with boiler body, and the top opposite side outer wall that supports the base is provided with the desulfurizing tower, one side outer wall that supports the base and be close to top intermediate position is provided with the second air extractor, and one side outer wall of second air extractor and boiler body's top outer wall is provided with the second exhaust tube, the opposite side outer wall that supports the base and be close to top intermediate position is provided with first air extractor, and one side outer wall of first air extractor and the top outer wall of desulfurizing tower are provided with first exhaust tube. The utility model discloses fine solution boiler gas get into remaining phenomenon behind the desulfurizing tower, through atomizer's atomization treatment, increase the contact range of liquid and gas, reduce gaseous speed that rises for gas can be handled by abundant desulfurization, and form steam recycle's effect.

Description

A dedusting boiler with spray desulfurization function

technical field

The utility model relates to the technical field of dedusting boilers, in particular to a dedusting boiler with a spray desulfurization function.

Background technique

The boiler is a kind of energy conversion equipment. The output of the boiler is steam, high-temperature water or organic heat carrier with certain heat energy. The hot water or steam generated in the boiler can directly provide the required heat energy for industrial production and people's life, and can also be used by steam The power unit converts mechanical energy.

At present, when people are using boilers, the exhausted flue gas contains a large amount of dust and sulfur dioxide. If it is directly discharged into the atmosphere, it will cause great pollution to the environment, and it will have a great impact on the human respiratory system and atmospheric visibility. When people desulfurize the flue gas, the desulfurization effect is not obvious due to the fast rising speed of the gas, and the hot gas after desulfurization is directly discharged into the atmosphere, resulting in waste of hot gas and environmental damage.

Utility model content

The purpose of the utility model is to solve the shortcomings in the prior art, and propose a dedusting boiler with spray desulfurization function.

In order to achieve the above object, the utility model adopts the following technical solutions:

A dedusting boiler with a spray desulfurization function, comprising a support base, a boiler body is provided on one side of the top outer wall of the support base, and a desulfurization tower is provided on the other side of the top outer wall of the support base, and the support base is close to the top The outer wall on one side of the middle position is provided with a second air extractor, and the outer wall on one side of the second air extractor and the top outer wall of the boiler body are provided with a second air extraction pipe, and the support base is close to the outer wall on the other side of the middle position of the top A first air extractor is provided, and a first air extraction pipe is provided on one side of the outer wall of the first air extractor and the top outer wall of the desulfurization tower, and a liquid storage tank is provided at the bottom of the inner wall of the desulfurization tower, and the top of the liquid storage tank One side of the outer wall is provided with a liquid suction pump, and the bottom outer wall of the liquid suction pump is provided with a liquid suction pipe, and the liquid suction pipe is inserted into the liquid storage tank and welded with a filter screen frame at the bottom of the outer wall, and the desulfurization tower is close to the inner wall. A fixing plate is arranged at the middle position, and frustum-shaped holes distributed equidistantly are opened at the middle position of the fixing plate.

As a further solution of the present utility model: the outer wall on one side of the bottom of the second air extraction pipe and the outer wall on the top side of the boiler body are provided with a dust collection tank, and the bottom outer wall of the dust collection tank is welded with a discharge pipe, and the discharge pipe The inside is provided with a first solenoid valve.

As a further solution of the present invention: the inside of the second exhaust pipe is welded with a filter screen, and the number of the filter screens is two, and the filter screen is located directly above the dust collection tank.

As a further solution of the present utility model: the outer wall on the other side of the first air extractor is provided with a return pipe, and the outer wall on the other side of the second air extractor is provided with an air guide pipe, and the return pipe is plugged into the boiler body. Inside, the gas guide pipe is plugged into the inside of the desulfurization tower.

As a further solution of the utility model: the top of the inner wall of the desulfurization tower is welded with spray pipes, and the number of spray pipes is two, and the bottom and outer walls of the spray pipes are welded with equidistantly distributed atomizing nozzles. A catheter is arranged on one side of the outer wall of the shower pipe and the top outer wall of the liquid suction pump.

As a further solution of the utility model: a liquid level gauge is provided at the connection between one side of the outer wall of the liquid storage tank and the side of the desulfurization tower, and the connection between the bottom outer wall of the liquid storage tank and the bottom outer wall of the desulfurization tower is welded. The waste liquid pipe is provided with a second electromagnetic valve inside the waste liquid pipe.

As a further solution of the utility model: the first air pump, the second air pump, the pump, the liquid level gauge, the first solenoid valve and the second solenoid valve are all connected with switches through wires, and the switches pass through The wires are connected to a power source.

The beneficial effects of the utility model are:

1. Through the second air extractor, the second air extraction pipe, the second desulfurization tower, filter screen, dust collection tank and exhaust pipe, the number of filter screens is two, and the mesh diameter of the filter screen is larger on the left and right Small, the gas produced by the boiler is sucked into the desulfurization tower through the second suction pipe by the second air extractor. During this process, the large impurities and dust are filtered out by the left filter, and the small Filter out lumps of impurities and dust, and use the dust collection tank to collect dust and impurities, which solves the phenomenon of residual boiler gas after entering the desulfurization tower;

2. Through the set liquid storage tank, liquid suction pump, liquid suction pipe, catheter pipe, spray pipe and atomizing nozzle, the spray pipe is set in a two-layer structure, and the alkaline liquid in the liquid storage tank is drawn out, and passed through The atomization treatment of the atomizing nozzle increases the contact range between the liquid and the gas. The fixed plate and the frustum-shaped hole are set. The bottom diameter of the frustum-shaped hole is small and the top diameter is large, which can realize the function of reducing the rising speed of the gas, so that the gas Can be fully desulfurized;

3. Through the first exhaust pipe, the first air extractor and the return pipe, the desulfurized gas is still hot gas, and the desulfurized hot gas can be introduced into the boiler again through the first air extractor and the first exhaust pipe. Form the effect of hot gas recycling.

Description of drawings

Fig. 1 is a structural schematic diagram of a dedusting boiler with spray desulfurization function proposed by the utility model;

Fig. 2 is a structure schematic diagram of a dust collection tank and a second air extractor of a dust removal boiler with a spray desulfurization function proposed by the utility model;

Fig. 3 is a structural schematic diagram of a desulfurization tower and a first air extractor of a dedusting boiler with spray desulfurization function proposed by the utility model.

In the figure: 1 support base, 2 boiler body, 3 return pipe, 4 first air extractor, 5 second air extractor, 6 liquid level gauge, 7 desulfurization tower, 8 liquid storage tank, 9 waste liquid pipe, 10 pump Liquid pipe, 11 liquid suction pump, 12 fixed plate, 13 atomizing nozzle, 14 spray pipe, 15 first air extraction pipe, 16 filter screen, 17 second air extraction pipe, 18 dust collection tank, 19 air guide pipe, 20 circular truncated hole.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example.

Referring to Figures 1-3, a dedusting boiler with spray desulfurization function includes a support base 1, the outer wall on one side of the top of the support base 1 is connected with the boiler body 2 by bolts, and the outer wall on the other side of the top of the support base 1 is passed through The desulfurization tower 7 is connected by bolts, the outer wall of the support base 1 near the middle of the top is connected with the second air extractor 5 by bolts, and the outer wall of the second air extractor 5 is connected with the top outer wall of the boiler body 2 by bolts There is a second exhaust pipe 17, and the other outer wall of the support base 1 near the middle of the top is connected with the first air extractor 4 by bolts, and the outer wall of one side of the first air extractor 4 is connected to the top outer wall of the desulfurization tower 7 by bolts. Connected with a first air extraction pipe 15, the top outer wall of the first air extraction pipe 15 is welded with an outlet pipe, the inside of the air outlet pipe is connected with a third electromagnetic valve by bolts, and the bottom of the inner wall of the desulfurization tower 7 is connected with a liquid storage tank 8 by bolts, and The outer wall of the top side of the liquid storage tank 8 is connected with a liquid suction pump 11 by bolts, and the bottom outer wall of the liquid suction pump 11 is connected with a liquid suction pipe 10 by bolts, and the liquid suction pipe 10 is inserted into the bottom of the outer wall of the liquid storage tank 8 The filter screen frame is welded, and the middle position near the inner wall of the desulfurization tower 7 is connected with a fixed plate 12 by bolts, and the middle position of the fixed plate 12 is provided with frustum-shaped holes 20 distributed equidistantly.

In the present utility model, the outer wall of the bottom side of the second exhaust pipe 17 and the outer wall of the top side of the boiler body 2 are connected with a dust collection tank 18 by bolts, and the bottom outer wall of the dust collection tank 18 is welded with a discharge pipe, and the discharge pipe There is a first electromagnetic valve connected by bolts inside the second exhaust pipe 17, and a filter screen 16 is welded inside the second exhaust pipe 17, and the number of filter screens 16 is two. Located directly above the dust collection tank 18, the other side outer wall of the first air extractor 4 is connected with a return pipe 3 by bolts, and the other side outer wall of the second air extractor 5 is connected with an air guide pipe 19 by bolts, and the return pipe 3 is plugged into the boiler body 2, and the air guide pipe 19 is plugged into the inside of the desulfurization tower 7. The top of the inner wall of the desulfurization tower 7 is welded with a spray pipe 14, and the number of the spray pipe 14 is two, and the spray pipe 14 The outer wall of the bottom of the tank is welded with equidistantly distributed atomizing nozzles 13, the outer wall of one side of the spray pipe 14 is connected with the outer wall of the top of the pump 11 with a catheter through bolts, and the outer wall of one side of the liquid storage tank 8 is connected to the desulfurization tower. The joint of one side of the outer wall of 7 is connected with a liquid level gauge 6 by bolts, and the joint of the bottom outer wall of the liquid storage tank 8 and the bottom outer wall of the desulfurization tower 7 is welded with a waste liquid pipe 9, and the inside of the waste liquid pipe 9 is connected by bolts. The second electromagnetic valve, the outer wall of the top of the other side of the liquid storage tank 8 and the outer wall of the other side of the desulfurization tower 7 are welded with a liquid inlet pipe, and all the connectors in the desulfurization tower 7 are made of corrosion-resistant materials. 4. The second air extractor 5, liquid suction pump 11, liquid level gauge 6, the first electromagnetic valve, the second electromagnetic valve and the third electromagnetic valve are all connected to a switch through a wire, and the switch is connected to a power supply through a wire.

Working principle: When in use, the user starts the second air extractor 5, and the gas generated by the boiler is drawn into the interior of the desulfurization tower 7 through the second air extraction pipe 17. Dust is filtered out, and small pieces of impurities and dust are filtered out by the right filter screen 6, and the dust and impurities are collected by the dust collecting tank 18, which solves the phenomenon that the boiler gas remains after entering the desulfurization tower 7. When the flue gas enters the desulfurization tower 7, the user starts the liquid pump 11, and the alkaline liquid in the liquid storage tank 8 is drawn out through the liquid suction pipe 10, and the atomization treatment of the atomizing nozzle 13 increases the concentration of liquid and gas. contact range, and use the frustum-shaped hole 20 to reduce the rising speed of the gas, so that the gas can be fully desulfurized. After the desulfurization is completed, start the first air extractor 4 and the first air extraction pipe 15 to introduce the desulfurized hot gas into the boiler again The inside of the main body 2 forms the effect of recycling part of the hot gas, and part of the hot gas can also be discharged through the outlet pipe.

The above is only a preferred embodiment of the utility model, but the scope of protection of the utility model is not limited thereto. The equivalent replacement or change of the new technical solution and the concept of the utility model shall be covered by the protection scope of the utility model.

Claims (7)

1. A dedusting boiler with a spray desulfurization function, comprising a support base (1), characterized in that the outer wall of the top side of the support base (1) is provided with a boiler body (2), and the support base (1) ) is provided with a desulfurization tower (7) on the outer wall on the other side of the top, and a second air extractor (5) is provided on the outer wall of the side of the support base (1) near the middle of the top, and the second air extractor (5) One side of the outer wall and the top outer wall of the boiler body (2) are provided with a second air extractor (17), and the other side outer wall of the support base (1) near the middle of the top is provided with a first air extractor (4), And one side outer wall of the first air extractor (4) and the top outer wall of the desulfurization tower (7) are provided with a first air extraction pipe (15), and the bottom of the inner wall of the desulfurization tower (7) is provided with a liquid storage tank (8) , and the top side outer wall of the liquid storage tank (8) is provided with a liquid suction pump (11), and the bottom outer wall of the liquid suction pump (11) is provided with a liquid suction tube (10), and the liquid suction tube (10) is inserted into the The bottom of the outer wall connected to the liquid storage tank (8) is welded with a filter screen frame, and the middle position of the desulfurization tower (7) close to the inner wall is provided with a fixed plate (12), and the middle position of the fixed plate (12) is provided with an etc. Frustum-shaped holes (20) with distance distribution. 2. A dedusting boiler with spray desulfurization function according to claim 1, characterized in that, the outer wall on the bottom side of the second air extraction pipe (17) and the outer wall on the top side of the boiler body (2) A dust collection tank (18) is provided, and a discharge pipe is welded on the bottom outer wall of the dust collection tank (18), and a first electromagnetic valve is arranged inside the discharge pipe. 3. A kind of dedusting boiler with spray desulfurization function according to claim 2, characterized in that, the inside of the second air extraction pipe (17) is welded with a filter screen (16), and the filter screen (16) The quantity is two, and the filter screen (16) is positioned at the top of the dust collection tank (18). 4. A dedusting boiler with spray desulfurization function according to claim 3, characterized in that a return pipe (3) is arranged on the outer wall of the other side of the first air extractor (4), and the second The outer wall of the other side of the second air extractor (5) is provided with an air guide pipe (19), the return pipe (3) is plugged in the inside of the boiler body (2), and the air guide pipe (19) is plugged in the desulfurization tower (7) internal. 5. A kind of dedusting boiler with spray desulfurization function according to claim 4, characterized in that, the top of the inner wall of the desulfurization tower (7) is welded with a spray pipe (14), and the spray pipe (14 ) is two, and the bottom outer wall of the shower pipe (14) is welded with equidistantly distributed atomizing nozzles (13), and the outer wall of one side of the shower pipe (14) is connected with the top outer wall of the pump (11) A catheter is provided. 6. A dedusting boiler with spray desulfurization function according to claim 5, characterized in that, the connection between one side of the outer wall of the liquid storage tank (8) and the side of the desulfurization tower (7) is set There is a liquid level gauge (6), and a waste liquid pipe (9) is welded at the connection between the bottom outer wall of the liquid storage tank (8) and the bottom outer wall of the desulfurization tower (7), and the inside of the waste liquid pipe (9) is provided with a second The electromagnetic valve. 7. A dedusting boiler with spray desulfurization function according to claim 6, characterized in that, the first air extractor (4), the second air extractor (5), the liquid suction pump (11 ), the liquid level gauge (6), the first solenoid valve and the second solenoid valve are all connected with a switch through a wire, and the switch is connected with a power supply through a wire.