CN211987978U

CN211987978U - Purifier for kiln waste gas

Info

Publication number: CN211987978U
Application number: CN202020479935.3U
Authority: CN
Inventors: 焦晓莉
Original assignee: FULAI ENVIRONMENTAL PROT SCIEN
Current assignee: FULAI ENVIRONMENTAL PROT SCIEN
Priority date: 2020-04-03
Filing date: 2020-04-03
Publication date: 2020-11-24
Anticipated expiration: 2030-04-03

Abstract

The utility model discloses a purification device for kiln waste gas, which comprises a waste heat utilization box and a waste gas treatment box, the top and the bottom of the waste heat utilization box are respectively provided with a water inlet pipe and a water outlet pipe, an air inlet pipe penetrates through the waste heat utilization box, the air inlet of the air inlet pipe is connected with the smoke outlet of the kiln, the air outlet of the air inlet pipe is communicated with the waste gas treatment box, the outer side wall of the waste gas treatment box is provided with a purification box, the top of the purification box is provided with a medicine feeding port, the upper end of the purifying box is provided with a first pump arranged at one side of the chemical feeding port, the water pumping port of the first pump is communicated with the purifying box through a water pipe, the water outlet of the pump I is connected with a spray pipe, the spray pipe is provided with a spray head, the top of the waste gas treatment box is provided with an exhaust pipe, install the air discharge fan in the exhaust pipe, compared with the prior art, the utility model the advantage lie in: can effectively cool down waste gas, can effectively utilize the waste heat simultaneously, can get rid of the waste gas in contain sulphur impurity.

Description

Purifier for kiln waste gas

Technical Field

The utility model relates to a waste gas purification technical field specifically indicates a purifier for kiln waste gas.

Background

Present kiln can produce smoke waste gas in the production process, contains a large amount of dusts and contains sulphur impurity in these smoke waste gases, must pass through purification treatment before discharging, and current exhaust gas purification device can't carry out effectual cooling to the temperature of waste gas, and can not utilize the waste gas waste heat, can not carry out disinfection treatment to the harmful gas in the waste gas moreover for the harmful waste gas of high temperature discharges in the air, causes certain pollution to the environment.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome above technical defect, provide a purifier for kiln waste gas, this device can effectively cool down waste gas, can effectively utilize the waste heat simultaneously, can get rid of the waste gas in contain sulphur impurity.

In order to solve the technical problem, the utility model provides a technical scheme does: a purification device for kiln waste gas comprises a waste heat utilization box and a waste gas treatment box, wherein the top and the bottom of the waste heat utilization box are respectively provided with a water inlet pipe and a water outlet pipe, a valve is arranged on the water outlet pipe, an air inlet pipe penetrates through the waste heat utilization box, an air inlet of the air inlet pipe is connected with a smoke outlet of a kiln, an air outlet of the air inlet pipe is communicated with the waste gas treatment box, the outer side wall of the waste gas treatment box is provided with a purification box, the top of the purification box is provided with a chemical feeding port, the upper end of the purification box is provided with a first pump positioned on one side of the chemical feeding port, a water pumping port of the first pump is communicated with the purification box through a water pipe, a water outlet of the first pump is connected with a spray pipe extending into the waste gas treatment box, a spray head positioned in the waste gas treatment box is arranged on the spray pipe, an air outlet, an exhaust fan is installed in the exhaust pipe.

Compared with the prior art, the utility model the advantage lie in: the utility model discloses a purifier for kiln waste gas is through pouring into cold water to the waste heat utilization incasement, can cool down the high temperature waste water in the inlet tube, and cold water can be heated the utilization again simultaneously, reaches the purpose that waste gas waste heat was recycled, through drop into desulfurizer and water mixture in to the purifying box, in the effect entering shower of water pump one again, carries out the desulfurization dust removal to the waste gas that gets into the exhaust-gas treatment incasement, and waste gas passes through the blast pipe discharge under the effect of air discharge fan.

As the improvement, be equipped with the drain board that leads that is located the intake pipe end bottom of giving vent to anger relatively in the exhaust-gas treatment case, be equipped with the pump machine two that is located the purifying box bottom on the lateral wall of exhaust-gas treatment case, the mouth of drawing water of pump machine two passes through water pipe and exhaust-gas treatment bottom of the case intercommunication, the delivery port of pump machine two is connected with the circulating pipe, the circulating pipe is kept away from and is installed the check valve on one end and the purifying box intercommunication of pump machine two and the circulating pipe, and the setting of drain board can make shower nozzle spun purification water fall into the exhaust-gas treatment bottom of the case, in the purifying box is gone back to the flow under the effect through pump two, reaches the cyclic utilization of water, installs the setting of check valve on the.

As the improvement, install the motor on the lateral wall of purifying box, the output shaft of motor is equipped with the (mixing) shaft that is located the purifying box, install the stirring rake on the (mixing) shaft to be convenient for the intensive mixing of desulfurizer and water.

As the improvement, be equipped with the active carbon grid that is located the shower top in the exhaust-gas treatment case, the setting of active carbon grid is convenient for get rid of the harmful substance in the waste gas.

As the improvement, the intake pipe all is equipped with sealed the pad for snakelike return bend and intake pipe and waste heat utilization case's junction, and the trachea has slowed down the flow velocity of flue gas for setting up of snakelike return bend and has prolonged the length of breathing pipe simultaneously, and the low temperature water of the waste heat utilization incasement of being convenient for obtains the abundant heating of waste gas waste heat, and the setting of sealed pad prevents that the water of waste heat utilization incasement from spilling over from the intake pipe and waste heat utilization case's junction.

As the improvement, waste heat utilization case and exhaust-gas treatment case all are equipped with the landing leg, and the setting of landing leg is convenient for stabilize whole device.

As the improvement, the bottom of the purifying box is provided with a drain pipe, the drain pipe is provided with a drain valve, and the arrangement of the drain pipe is convenient for discharging the purifying liquid in the purifying box and replacing the purifying liquid.

Drawings

Fig. 1 is a schematic structural diagram of the purification device for kiln waste gas of the present invention.

Fig. 2 is an enlarged schematic view of a in fig. 1.

As shown in the figure: 1. the waste heat utilization device comprises a waste heat utilization box, 2, a waste gas treatment box, 3, a water inlet pipe, 4, a water outlet pipe, 5, an air inlet pipe, 6, a purification box, 7, a chemical dosing opening, 8, a first pump machine, 9, a spray pipe, 10, a spray head, 11, an exhaust pipe, 12, an exhaust fan, 13, a liquid guide plate, 14, a second pump machine, 15, a circulating pipe, 16, a motor, 17, a stirring shaft, 18, a stirring paddle, 19, an activated carbon grid, 20, supporting legs, 21 and a drain pipe.

Detailed Description

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

With reference to the attached drawings 1-2, a kiln waste gas purification device comprises a waste heat utilization box 1 and a waste gas treatment box 2, wherein a water inlet pipe 3 and a water outlet pipe 4 are respectively arranged at the top and the bottom of the waste heat utilization box 1, a valve is arranged on the water outlet pipe 4, a gas inlet pipe 5 penetrates through the waste heat utilization box 1, the gas inlet of the gas inlet pipe 5 is connected with a smoke outlet of a kiln, the gas outlet of the gas inlet pipe 5 is communicated with the waste gas treatment box 2, a purification box 6 is arranged on the outer side wall of the waste gas treatment box 2, a chemical feeding port 7 is arranged at the top of the purification box 6, a first pump 8 arranged on one side of the chemical feeding port 7 is arranged at the upper end of the purification box 6, a water pumping port of the first pump 8 is communicated with the purification box 6 through a water pipe, a water outlet of the first pump 8 is connected with a spray pipe 9 extending into the waste gas treatment box 2, and a spray, the gas outlet of intake pipe 3 is located shower nozzle 10 bottom and sets up, the top of exhaust-gas treatment case 2 is equipped with blast pipe 11, install air discharge fan 12 in the blast pipe 11.

Exhaust-gas treatment is equipped with the drain board 13 that is located intake pipe 5 end bottom of giving vent to anger relatively in the case 2, be equipped with two 14 of pump machine that are located 6 bottoms of purifying box on the lateral wall of exhaust-gas treatment case 2, the mouth of drawing water of two 14 of pump machine leads to pipe and 2 bottoms intercommunications of exhaust-gas treatment case, the delivery port of two 14 of pump machine is connected with circulating pipe 15, circulating pipe 15 keeps away from and installs the check valve on one end of two 14 of pump machine and 6 intercommunications of purifying box and circulating pipe 15.

Install motor 16 on the lateral wall of purifying box 6, the output shaft of motor 16 is equipped with the (mixing) shaft 17 that is located purifying box 6, install stirring rake 18 on the (mixing) shaft 17.

An activated carbon grid 19 positioned above the spray pipe 9 is arranged in the waste gas treatment box 2.

The intake pipe 5 is snakelike return bend and intake pipe 5 all is equipped with sealed the pad with waste heat utilization case 1's junction.

The waste heat utilization box 1 and the waste gas treatment box 2 are both provided with supporting legs 20.

The bottom of the purification box 6 is provided with a drain pipe 21, and the drain pipe 21 is provided with a drain valve.

When the utility model is implemented, the air inlet of the air inlet pipe is connected with the smoke outlet of the kiln, cold water is filled into the waste heat utilization box, high-temperature waste water in the air inlet pipe can be cooled, meanwhile, the cold water can be heated and utilized, the purpose of recycling waste gas waste heat is achieved, the heated water can be collected and utilized by opening the valve on the water outlet pipe, the motor drives the stirring paddle to rotate by throwing the desulfurizer and the water into the purification box, so that the desulfurizer and the water are fully mixed into the purification liquid, the purification liquid enters the spraying pipe under the action of the first water pump, the waste gas entering the waste gas treatment box is desulfurized and dedusted, the waste gas moves upwards under the action of the exhaust fan, under the action of the active carbon grid, harmful substances are adsorbed and treated, the purified water sprayed by the spray head can fall into the bottom of the waste gas treatment box by the arrangement of the liquid guide plate, and flows back into the purification box under the action, the water is recycled, the circulating pipe is provided with the one-way valve to prevent the water in the purifying box from flowing back, and the waste gas is discharged through the exhaust pipe after being treated.

The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.

Claims

1. The utility model provides a purifier for kiln waste gas, includes waste heat utilization case (1) and exhaust-gas treatment case (2), its characterized in that: the waste heat utilization device is characterized in that a water inlet pipe (3) and a water outlet pipe (4) are respectively arranged at the top and the bottom of the waste heat utilization box (1), a valve is arranged on the water outlet pipe (4), an air inlet pipe (5) penetrates through the waste heat utilization box (1), an air inlet of the air inlet pipe (5) is connected with a smoke outlet of a kiln, an air outlet of the air inlet pipe (5) is communicated with a waste gas treatment box (2), a purification box (6) is arranged on the outer side wall of the waste gas treatment box (2), a chemical feeding port (7) is arranged at the top of the purification box (6), a first pump (8) arranged on one side of the chemical feeding port (7) is arranged at the upper end of the purification box (6), a water pumping port of the first pump (8) is communicated with the purification box (6) through a water pipe, a water outlet of the first pump (8) is connected with a spray pipe (9) extending into the waste gas treatment box (2), and a spray head (10), the gas outlet of intake pipe (5) is located shower nozzle (10) bottom setting, the top of exhaust-gas treatment case (2) is equipped with blast pipe (11), install air discharge fan (12) in blast pipe (11).

2. The purification device for kiln exhaust gas as defined in claim 1, wherein: exhaust-gas treatment incasement (2) is equipped with liquid guide plate (13) that are located intake pipe (5) end bottom of giving vent to anger relatively, be equipped with pump two (14) that are located purifying box (6) bottom on the lateral wall of exhaust-gas treatment case (2), the mouth of drawing water of pump two (14) leads to pipe and exhaust-gas treatment case (2) bottom intercommunication, the delivery port of pump two (14) is connected with circulating pipe (15), install the check valve on one end and purifying box (6) intercommunication and circulating pipe (15) that pump two (14) were kept away from in circulating pipe (15).

3. The purification device for kiln exhaust gas as defined in claim 2, wherein: install motor (16) on the lateral wall of purifying box (6), the output shaft of motor (16) is equipped with (mixing) shaft (17) that are located purifying box (6), install stirring rake (18) on (mixing) shaft (17).

4. The purification device for kiln exhaust gas as defined in claim 2, wherein: an activated carbon grid (19) positioned above the spray pipe (9) is arranged in the waste gas treatment box (2).

5. The purification device for kiln exhaust gas as defined in claim 2, wherein: the intake pipe (5) all is equipped with sealed the pad for snakelike return bend and intake pipe (5) and waste heat utilization case (1) junction.

6. The purification device for kiln exhaust gas as defined in claim 5, wherein: the waste heat utilization box (1) and the waste gas treatment box (2) are both provided with supporting legs (20).

7. The purification device for kiln exhaust gas as defined in claim 3, wherein: a drain pipe (21) is arranged at the bottom of the purification box (6), and a drain valve is arranged on the drain pipe (21).