Dust treatment device of ash slaking machine

Abstract

The utility model discloses a dust treatment device of an ashing machine, which belongs to the technical field of dust treatment and comprises an air suction pipe, a treatment box, a dust suction fan and an exhaust pipe, the treatment box and the dust suction fan are arranged right above the ashing machine, a spraying component is arranged inside the treatment box, the treatment box is fixedly communicated with the air suction pipe, and the exhaust pipe is fixedly communicated with the dust suction pipe. A dust concentration monitoring assembly is arranged on the top of the exhaust pipe. The dust removal device has the beneficial effects that the device is arranged above the ash melting machine and can be connected with the discharge end of the ash melting machine through the air suction pipe, untreated dust gas generated at the discharge end of the ash melting machine can be sucked into the treatment box under the action of the dust suction fan, is subjected to dust removal treatment under the action of the spraying assembly, and then is conveyed to the exhaust pipe to be exhausted, so that the dust removal efficiency is improved. Meanwhile, the dust concentration monitoring assembly is arranged on the exhaust pipe, so that the dust concentration at the outlet of the exhaust pipe can be monitored under the action of the dust concentration detector, and excessive dust gas is prevented from being discharged into the working environment around the ashing machine.

Description

TECHNICAL FIELD

[0001] The utility model relates to dust treatment technical field, specifically, relate to a kind of lime machine dust treatment device. BACKGROUND

[0002] Lime machine, namely lime digestion machine (lime machine, lime digestion machine, lime digester) and lime digestion separator, is the lime digestion equipment for handling calcium carbonate, calcium hydrogen phosphate, mainly used in chemical industry, metallurgy, wastewater treatment, chemical fiber, papermaking, power plant desulfurization, sugar making, soda manufacturing and other industries.The working principle of lime stone digestion machine is that the rotation of drum is driven by power device, the rotation of cylinder body drives the rotation of push plate, lifting plate, damping plate, dust barrier plate, etc., to replace the digestion mode of stirring, and lime digestion machine is mainly composed of power device, filter screen, rolling ring, cylinder body (outer cylinder body and inner cylinder body), gear ring, carrier wheel device, etc.

[0003] Lime machine produces tail gas at discharge end in working process, which contains a large amount of dust, so it needs to be treated to avoid excessive low emission into air to affect working environment, and the lime machine dust treatment device in prior art is mostly complex in structure, inconvenient to operate, lacks safe and stable dust treatment structure, and lacks dust concentration monitoring structure of exhaust gas, so it is inconvenient to remind when dust concentration of exhaust gas exceeds standard, and its practicability and durability need to be improved, and at the same time, the utility model discloses a kind of lime machine dust purification device in the utility model with the announcement number CN220495932U, belongs to the field of environmental protection of alumina production technology, including tubular lime machine and gas extraction cylinder being set above the lime machine, the tubular lime machine has feed end and discharge end, the feed end and / or discharge end is arranged with sealing cover in sealed manner, the feed end and / or discharge end and sealing cover form closed space, the bottom opening of the gas extraction cylinder is communicated with the closed space, the inner chamber top of the gas extraction cylinder is provided with water spraying ring, a plurality of water spraying holes are uniformly distributed on the water spraying ring, the water inlet of the water spraying ring is connected with water pipe, and the water supply valve is installed on the water pipe, which is inconvenient to operate, lacks safe and stable dust treatment structure, and lacks dust concentration monitoring structure of exhaust gas. UTILITY MODEL CONTENTS

[0004] In order to overcome the problems in the prior art that the dust treatment device of the lime grinder is mostly complex in structure, inconvenient to control, lacks a safe and stable dust treatment structure, lacks a dust concentration monitoring structure for discharged gas, is inconvenient to remind when the dust concentration of the discharged gas exceeds the standard, and the practicability and durability need to be improved, the utility model provides a dust treatment device of lime grinder, including suction pipe, processing box, dust extraction fan and exhaust pipe, the suction pipe is connected to the outlet end of the lime grinder through the dust collecting hood, the lime grinder is provided with the processing box and the dust extraction fan directly above, the input end of the dust extraction fan is connected with the processing box, the inside of the processing box is provided with the spray assembly, the processing box is fixedly connected with the suction pipe, the output end of the dust extraction fan is connected with the upward exhaust pipe, the top of the exhaust pipe is provided with the dust concentration monitoring assembly, the dust concentration monitoring assembly includes dust concentration detector and alarm, the dust concentration detector is installed at the outlet of the top of the exhaust pipe, the alarm is arranged above the exhaust pipe.

[0005] The device is installed above the lime grinder, can be connected with the discharge end of the lime grinder through the suction pipe, can absorb the untreated dust gas generated at the discharge end of the lime grinder into the processing box under the action of the dust extraction fan, carries out dust falling treatment under the action of the spray assembly, then is transported to the exhaust pipe for discharge, at the same time, the dust concentration monitoring assembly is arranged on the exhaust pipe, can monitor the dust concentration at the outlet of the exhaust pipe under the action of the dust concentration detector, can remind through the alarm when the concentration is too high, so as to facilitate the staff to control the dust concentration of the discharged gas, and avoid that too much dust gas is discharged into the working environment around the lime grinder.

[0006] Preferably, the dust collecting cover sleeve is arranged outside the discharge end of the lime grinder, a detachable movable cover plate is arranged on the outer wall of the dust collecting cover, and a primary filter screen is arranged at the connection between the dust collecting cover and the suction pipe.

[0007] Preferably, a reinforcing sleeve is arranged outside the suction pipe, and a high-temperature-resistant layer is arranged on the inner wall of the suction pipe.

[0008] The reinforcing sleeve arranged outside the suction pipe can improve the strength of the pipeline, so that the pipeline has good pressure-bearing and pressure-resisting capacity and is not easy to be damaged, and the high-temperature-resistant layer arranged inside the suction pipe can strengthen the high-temperature-resistant capacity of the pipeline to dust gas.

[0009] Preferably, the spray assembly includes a spray pipe and a plurality of spray heads, the spray pipe is installed at the top of the inner side of the processing box, and a plurality of spray heads are connected to the lower surface of the spray pipe.

[0010] Preferably, a dust falling groove is installed at the bottom of the inner side of the processing box, a plurality of spray heads are arranged directly above the dust falling groove, and a blow-off pipe penetrating through the outer surface of the processing box is connected to one side of the dust falling groove.

[0011] Preferably, an exhaust pipe is arranged between the output end of the dust suction fan and the treatment box, and a secondary filter screen is arranged at the connection between the exhaust pipe and the treatment box.

[0012] Preferably, the detection end of the dust concentration detector is arranged on the inner wall of the opening at the top of the exhaust pipe, a display is arranged on the front middle part of the treatment box, and the display and the alarm are electrically connected with the dust concentration detector.

[0013] Preferably, a filter cartridge is arranged on the middle part of the exhaust pipe.

[0014] Preferably, one end of the spray pipe is connected with a water inlet pipe through the outer wall of the treatment box, and a blowdown valve is arranged on the blowdown pipe. The dust falling groove arranged at the bottom of the treatment box can collect the dust falling by the spray assembly and form waste water, which can be discharged through the blowdown pipe for subsequent treatment.

[0015] Preferably, the treatment box and the dust suction fan are arranged on the mounting plate, and a plurality of mounting holes are formed in the mounting plate.

[0016] The mounting plate and the mounting hole can facilitate the installation and fixation of the device above the lime hydrator.

[0017] Beneficial effects:

[0018] The beneficial effects of the technical scheme of the present application are as follows:

[0019] (1) The device is installed above the lime hydrator, and the discharge end of the lime hydrator can be connected with the air suction pipe. Under the action of the dust suction fan, the untreated dust gas generated at the discharge end of the lime hydrator can be absorbed into the treatment box, and the dust falling treatment can be performed by the spray assembly. Then, the dust gas is transported to the exhaust pipe for discharge. At the same time, the dust concentration monitoring assembly is arranged on the exhaust pipe, which can monitor the dust concentration at the outlet of the exhaust pipe under the action of the dust concentration detector. When the concentration is too high, the alarm can send a reminder, so that the worker can control the dust concentration of the discharged gas, and avoid discharging too much dust gas into the working environment around the lime hydrator.

[0020] (2) The dust falling groove arranged at the bottom of the treatment box can collect the dust falling by the spray assembly and form waste water, which can be discharged through the blowdown pipe for subsequent treatment.

[0021] (3) The reinforcing sleeve arranged outside the air suction pipe can improve the strength of the pipe, so that the pipe has good pressure bearing and pressure resistance and is not easy to be damaged. The high-temperature resistant layer arranged inside the air suction pipe can improve the ability of the pipe to resist high-temperature dust gas. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings used in the embodiments of the present application will be briefly introduced as follows. Obviously, the drawings below only show some of the embodiments of the present application, and therefore should not be considered as limiting the scope. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0023] Fig. 1 is a schematic diagram of the overall structure of the dust treatment device of the lime calciner of the present application;

[0024] Fig. 2 is a schematic diagram of the internal structure of the processing box of the dust treatment device of the lime calciner of the present application;

[0025] Fig. 3 is a schematic diagram of the internal structure of the dust collecting cover of the dust treatment device of the lime calciner of the present application;

[0026] Fig. 4 is a schematic diagram of the structure of the air suction pipe of the dust treatment device of the lime calciner of the present application.

[0027] In the figure: 1, lime calciner; 2, dust collecting cover; 3, air suction pipe; 4, processing box; 5, dust suction fan; 6, exhaust pipe; 7, display; 8, water inlet pipe; 9, sewage pipe; 10, mounting plate; 11, dust concentration detector; 12, air suction pipe; 13, spray pipe; 14, spray head; 15, filter cartridge; 16, primary filter screen; 17, movable cover plate; 18, high-temperature-resistant layer; 19, reinforcing sleeve; 20, secondary filter screen; 21, alarm; 22, dust falling groove. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme of the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, and not all of the embodiments. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only to represent selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0029] The embodiment can be installed above the ash dissolving machine, connected to the discharge end of the ash dissolving machine through the air suction pipe, and can absorb the untreated dust gas generated at the discharge end of the ash dissolving machine into the treatment box under the action of the dust suction fan, and then discharged through the exhaust pipe after dust removal treatment by the spraying assembly. Meanwhile, the dust concentration monitoring assembly is arranged on the exhaust pipe to monitor the dust concentration at the outlet of the exhaust pipe under the action of the dust concentration detector, and the alarm can be triggered to remind when the concentration is too high, so as to facilitate the staff to control the dust concentration of the discharged gas and avoid too much dust gas from being discharged into the working environment around the ash dissolving machine. The specific implementation is as follows.

[0030] As shown in Figs. 1 to 4 An ash dissolving machine dust treatment device, comprising an air suction pipe 3, a treatment box 4, a dust suction fan 5 and an exhaust pipe 6, the air suction pipe 3 is connected to the outlet end of the ash dissolving machine 1 through the dust collecting hood 2, the treatment box 4 and the dust suction fan 5 are arranged directly above the ash dissolving machine 1, the input end of the dust suction fan 5 is connected to the treatment box 4, the inside of the treatment box 4 is provided with a spraying assembly, the treatment box 4 is fixedly communicated with the air suction pipe 3, the output end of the dust suction fan 5 is connected with the upward exhaust pipe 6, and the top of the exhaust pipe 6 is provided with a dust concentration monitoring assembly. The dust concentration monitoring assembly comprises a dust concentration detector 11 and an alarm 21, the dust concentration detector 11 is installed at the outlet of the top of the exhaust pipe 6, and the alarm 21 is arranged above the exhaust pipe 6. The device is installed above the ash dissolving machine 1, the discharge end of the ash dissolving machine 1 is connected through the air suction pipe 3, and the untreated dust gas generated at the discharge end of the ash dissolving machine 1 can be absorbed into the treatment box 4 under the action of the dust suction fan 5, and then discharged through the exhaust pipe 6 after dust removal treatment by the spraying assembly. Meanwhile, the dust concentration monitoring assembly is arranged on the exhaust pipe 6 to monitor the dust concentration at the outlet of the exhaust pipe 6 under the action of the dust concentration detector 11, and the alarm 21 can be triggered to remind when the concentration is too high, so as to facilitate the staff to control the dust concentration of the discharged gas and avoid too much dust gas from being discharged into the working environment around the ash dissolving machine 1.

[0031] The dust collecting hood 2 is arranged outside the discharge end of the ash dissolving machine 1, a detachable movable cover plate 17 is arranged on the outer wall of the dust collecting hood 2, and a primary filter screen 16 is arranged at the connection between the dust collecting hood 2 and the air suction pipe 3. Through the dust collecting hood 2, the dust gas at the discharge end of the ash dissolving machine 1 can be collected as much as possible for convenient recycling, and the discharge function of the ash dissolving machine 1 is not affected under the action of the detachable movable cover plate 17. Through the primary filter screen 16, the air suction pipe 3 can be prevented from being blocked by large impurities.

[0032] The outer part of the air suction pipe 3 is provided with a reinforcing sleeve 19, and the inner wall of the air suction pipe 3 is provided with a high-temperature-resistant layer 18. By arranging the reinforcing sleeve 19 on the outer part of the air suction pipe 3, the strength of the pipeline can be improved, so that it has good pressure-bearing and pressure-resisting capacity and is not easy to be damaged. By arranging the high-temperature-resistant layer 18 on the inner part of the air suction pipe 3, the ability of the pipeline to resist high-temperature dust gas can be improved. The material of the high-temperature-resistant layer 18 is polyurethane high-temperature-resistant material.

[0033] The spraying assembly comprises a spraying pipe 13 and a plurality of spray heads 14. The spraying pipe 13 is installed on the top of the inner side of the treatment box 4, and the lower surface of the spraying pipe 13 is connected with the plurality of spray heads 14. By cooperating the spraying pipe 13 and the plurality of spray heads 14, the dust gas entering the treatment box 4 can be sprayed and dusted.

[0034] A dust falling groove 22 is installed on the bottom of the inner side of the treatment box 4, a plurality of spray heads 14 are arranged above the dust falling groove 22, and a blowdown pipe 9 penetrating through the outer surface of the treatment box 4 is connected to one side of the dust falling groove 22. By arranging the dust falling groove 22 on the bottom of the treatment box 4, the dust sprayed and dusted by the spraying assembly can be collected and formed into waste water, which can be discharged through the blowdown pipe 9 for subsequent treatment.

[0035] An air suction pipe 12 is arranged between the output end of the dust suction fan 5 and the treatment box 4, and a secondary filter screen 20 is arranged at the connection between the air suction pipe 12 and the treatment box 4. By the air suction pipe 12, the gas after spraying can be sent to the exhaust pipe 6 in cooperation with the dust suction fan 5, and under the action of the secondary filter screen 20, the impurities with relatively large resistance can be further blocked.

[0036] The detection end of the dust concentration detector 11 is arranged on the inner wall of the top opening of the exhaust pipe 6, and a display 7 is installed on the middle of the front face of the treatment box 4. The display 7 and the alarm 21 are electrically connected with the dust concentration detector 11. By the display 7, the dust concentration can be displayed. The specific model of the dust concentration detector 11 is GLT-FK.

[0037] A filter cartridge 15 is installed in the middle of the exhaust pipe 6. By the filter cartridge 15, the discharged gas can be further filtered, and the treatment effect of the device can be improved.

[0038] One end of the spraying pipe 13 is connected with a water inlet pipe 8 penetrating through the outer wall of the treatment box 4, and a blowdown valve is arranged on the blowdown pipe 9. By the water inlet pipe 8, the spraying pipe 13 can be supplied with spraying water, and by the blowdown valve, the opening and closing of the blowdown pipe 9 can be conveniently controlled.

[0039] The treatment box 4 and the dust suction fan 5 are both installed on a mounting plate 10, and a plurality of mounting holes are formed in the mounting plate 10. By the arrangement of the mounting plate 10 and the mounting holes, the installation and fixation of the device above the ash melting machine 1 can be facilitated.

[0040] Working principle: the device is installed above the ash dissolving machine, can be connected to the discharge end of the ash dissolving machine through the air suction pipe, under the action of the dust suction fan, the untreated dust gas generated from the discharge end of the ash dissolving machine can be absorbed into the treatment box, and the dust can be treated by the spraying assembly, then transported to the exhaust pipe for exhaust, at the same time, the dust concentration monitoring assembly is arranged on the exhaust pipe, the dust concentration at the outlet of the exhaust pipe can be monitored under the action of the dust concentration detector, when the concentration is too high, the alarm can send a reminder, so as to control the dust concentration of the discharged gas by the workers, avoid too much dust gas from being discharged into the working environment around the ash dissolving machine, through the dust falling groove arranged at the bottom of the treatment box, the dust sprayed by the spraying assembly can be collected and form waste water, which can be discharged through the sewage pipe for subsequent treatment, through the reinforcing sleeve arranged outside the air suction pipe, the pipe strength can be improved, so that it has good pressure bearing and pressure resistance, and is not easy to be damaged, through the high temperature resistant layer arranged inside the air suction pipe, the pipe can be strengthened to have high temperature resistant dust gas capacity.

[0041] The preferred embodiments of the utility model are described above only, and are not used for limiting the utility model, for the person skilled in the art, the utility model can have various changes and changes. Any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A dust handling apparatus for a lime hydrator, characterised in that, The utility model provides an ash melting machine dust removal device, including suction pipe (3), processing box (4), dust suction fan (5) and exhaust pipe (6), the suction pipe (3) is connected to the outlet end of ash melting machine (1) through dust collecting cover (2), the processing box (4) and dust suction fan (5) are arranged on the top of ash melting machine (1), the input end of dust suction fan (5) is connected with processing box (4), the inside of processing box (4) is provided with spray subassembly, processing box (4) is fixedly linked with the suction pipe (3), the output end of dust suction fan (5) is connected with the exhaust pipe (6) upwards, the top of exhaust pipe (6) is provided with dust concentration monitoring subassembly, dust concentration monitoring subassembly includes dust concentration detector (11) and alarm (21), dust concentration detector (11) is installed at the outlet of exhaust pipe (6) top, alarm (21) is arranged above exhaust pipe (6).

2. A dust handling apparatus for a lime hydrator as claimed in claim 1 wherein, The dust collecting cover (2) is sleeved on the outside of the discharge end of the ash melting machine (1), a detachable movable cover plate (17) is arranged on the outer wall of the dust collecting cover (2), and a primary filter screen (16) is arranged at the connection between the dust collecting cover (2) and the suction pipe (3).

3. A dust handling apparatus for a lime hydrator as claimed in claim 1 wherein, A reinforcing sleeve (19) is arranged on the outside of the suction pipe (3), and a high-temperature-resistant layer (18) is arranged on the inner wall of the suction pipe (3).

4. A dust handling apparatus for a lime hydrator as claimed in claim 1 wherein, The spray subassembly comprises a spray pipe (13) and a plurality of spray heads (14), the spray pipe (13) is installed on the top of the inner side of the processing box (4), and a plurality of spray heads (14) are connected to the lower surface of the spray pipe (13).

5. A dust handling apparatus for a lime hydrator as claimed in claim 4 wherein, A dust falling groove (22) is installed on the bottom of the inner side of the processing box (4), a plurality of spray heads (14) are arranged above the dust falling groove (22), and a blowdown pipe (9) penetrating through the outer surface of the processing box (4) is connected to one side of the dust falling groove (22).

6. A dust handling apparatus for a lime slaker as defined in claim 1, wherein, An air extraction pipe (12) is arranged between the output end of the dust suction fan (5) and the processing box (4), and a secondary filter screen (20) is arranged at the connection between the air extraction pipe (12) and the processing box (4).

7. A dust handling apparatus for a lime slaker as defined in claim 1, wherein, The detection end of the dust concentration detector (11) is arranged on the inner wall of the opening at the top of the exhaust pipe (6), a display (7) is installed on the front middle part of the processing box (4), and the display (7) and the alarm (21) are electrically connected with the dust concentration detector (11).

8. A dust handling apparatus for a lime slaker as defined in claim 1, wherein, A filter cartridge (15) is installed on the middle part of the exhaust pipe (6).

9. A dust handling apparatus for a lime hydrator as claimed in claim 5 wherein, One end of the spray pipe (13) is connected with a water inlet pipe (8) penetrating through the outer wall of the processing box (4), and a blowdown valve is arranged on the blowdown pipe (9).

10. A dust handling apparatus for a lime slaker as defined in claim 1, wherein, The processing box (4) and the dust suction fan (5) are both installed on a mounting plate (10), and a plurality of mounting holes are formed in the mounting plate (10).

Images