CN216023717U

CN216023717U - Spray drying tower tail gas processing apparatus

Info

Publication number: CN216023717U
Application number: CN202121892404.8U
Authority: CN
Inventors: 周宏锋; 张子宁
Original assignee: Henan Zhongzhi Ceramics Co ltd
Current assignee: Henan Zhongzhi Ceramics Co ltd
Priority date: 2021-08-13
Filing date: 2021-08-13
Publication date: 2022-03-15
Anticipated expiration: 2031-08-13

Abstract

The utility model provides a spray drying tower tail gas processing apparatus, including the trachea of crossing of rectangle, it is equipped with first cavity and the second cavity that the symmetry set up to cross tracheal both sides, cross the trachea and be close to all be equipped with the slide opening with the trachea intercommunication on the two sides of first cavity and second cavity, the inside slidable mounting of slide opening has the filter screen, the both ends of filter screen all are fixed with the baffle, be equipped with the spout with first cavity intercommunication on the first cavity, the inside sliding fit of spout has slide bar and filter screen fixed connection, install reciprocal subassembly on the slide bar, reciprocal subassembly includes two parallel arrangement's reciprocal rack, be fixed with driving motor on the first cavity, install incomplete gear on driving motor's the output, all be equipped with the water feeder that all is fixed with on a plurality of water jet nozzles and first cavity and the second cavity inside a plurality of water jet nozzles and first cavity and the second cavity. The tail gas dust filter can improve the filtering effect and efficiency of dust in tail gas, effectively cleans the filter screen in time, and improves the utilization efficiency of heat energy.

Description

Spray drying tower tail gas processing apparatus

Technical Field

The utility model relates to the technical field of tail gas treatment equipment, in particular to a tail gas treatment device of a spray drying tower.

Background

The drying equipment vaporizes and escapes moisture or other volatile liquid components in the material through heating so as to obtain solid material with specified moisture content; according to the heating mode, the drying equipment is divided into convection type, conduction type, radiation type, dielectric type and other types; convection drying equipment, also called direct drying equipment, transfers heat in a convection mode by utilizing direct contact of hot drying media and wet materials and takes away generated steam; the conduction type drying equipment is also called indirect type drying equipment, heat is transferred to wet materials from a heat source through a metal partition wall by utilizing a conduction mode, and generated moisture steam can be removed by methods of decompression suction, introduction of a small amount of purge gas or surface condensation of a separately arranged low-temperature condenser and the like; the radiation type drying equipment utilizes various radiators to emit electromagnetic waves with a certain wavelength range, and the electromagnetic waves are converted into heat for drying after being selectively absorbed by the surface of a wet material; the dielectric drying equipment utilizes the action of a high-frequency electric field to dry wet materials by generating a thermal effect inside the wet materials. For convection drying equipment, a spray drying technology is a common technology, the spray drying technology is a process that materials are dispersed into fog drops through an atomizer, water is evaporated by hot air flow in the process of sedimentation of the fog drops to carry out dehydration and drying, the dried powder or granular materials are separated from air and collected together, and two technological processes of spraying and drying are completed simultaneously in the process; current spray drying device, tail gas processing apparatus has all, the tail gas that produces the drying process is handled and is discharged, spray drying device is when drying powdery material, contain the likepowder in its tail gas, the likepowder that adopts in the tail gas at present adopts the most mode just to spray the processing, but this kind of mode can make the waste heat of tail gas not to absorb completely, thereby cause the loss of energy consumption, increase manufacturing cost, adopt the filter screen to filter the likepowder, can lead to likepowder absorption on the filter screen, thereby cause the jam of filter screen, can't normally filter tail gas, thereby influence normal production.

SUMMERY OF THE UTILITY MODEL

In view of the above situation, in order to overcome the defects of the prior art, the present invention provides a tail gas treatment device for a spray drying tower, which can improve the filtering effect on the powder in the tail gas while ensuring the waste heat utilization effect of the tail gas, thereby improving the production efficiency.

The tail gas treatment device comprises a rectangular air passing pipe, wherein a first cavity and a second cavity which are symmetrically arranged are arranged on two sides of the air passing pipe, sliding holes communicated with the air passing pipe are formed in two surfaces, close to the first cavity and the second cavity, of the air passing pipe, a filter screen is slidably mounted inside each sliding hole, the filter screen and the two sliding holes are in sliding seal, two ends of the filter screen are respectively located inside the first cavity and the second cavity, the length of the filter screen is more than twice of the distance between the two sliding holes, baffles are fixed at two ends of the filter screen, a sliding chute communicated with the first cavity is formed in the first cavity, a sliding rod is in sliding fit inside the sliding chute and is fixedly connected with the filter screen, a reciprocating assembly is mounted on the sliding rod and comprises two reciprocating racks which are arranged in parallel, and one surface of the two reciprocating racks is arranged oppositely, the water supply device is characterized in that a driving motor is fixed on the first cavity, an incomplete gear is installed at the output end of the driving motor, the incomplete gear is located between two reciprocating racks and is meshed with the two reciprocating gears alternately, a plurality of water nozzles are arranged inside the first cavity and the second cavity, and water supply devices communicated with the water nozzles are fixed on the first cavity and the second cavity.

Preferably, two bases are arranged in the air passing pipe, the two bases are respectively positioned at two sides of the filter screen, and the filter screen and the two bases are in sliding sealing.

Preferably, a plurality of air nozzles are arranged in the first cavity and the second cavity, and air supply equipment communicated with the air nozzles is fixed on the first cavity and the second cavity.

Preferably, a fixed rack arranged along the sliding groove is installed inside the first cavity, a rotating rod is rotatably installed on the filter screen, a gear and a support rod are installed at two ends of the rotating rod respectively, the gear and the rack are meshed with each other, a spring is fixed on the support rod, and a knocking hammer is fixed at one end, far away from the support rod, of the spring.

The utility model has the beneficial effects that: can carry out effectual filtration to the dust in the tail gas, avoid adopting the mode that sprays, cause the unable thorough utilization's of waste heat the condition, improve the utilization efficiency of the energy, reduce the energy consumption, improve the clearance effect and the efficiency to the filter screen simultaneously to improve the filter effect to the dust.

Drawings

FIG. 1 is a schematic view of the overall axial side structure of the present invention.

Fig. 2 is a schematic structural view of the entire front surface of the present invention.

Fig. 3 is a schematic structural view of the whole internal front face of the present invention.

Fig. 4 is a schematic view of the overall internal shaft side structure of the present invention.

Fig. 5 is a partial structural view of the fixed gear shaft side of the present invention.

Fig. 6 is a partial structural view of the front side of the fixed gear according to the present invention.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

The tail gas treatment device comprises a rectangular air passing pipe 1, wherein a first cavity 7 and a second cavity 8 which are symmetrically arranged are arranged on two sides of the air passing pipe 1, and is characterized in that two sides of the air passing pipe 1, which are close to the first cavity 7 and the second cavity 8, are respectively provided with a slide hole 15 communicated with the air passing pipe 1, a filter screen 3 is slidably mounted inside the slide hole 15, the filter screen 3 is slidably sealed with the two slide holes 15, two ends of the filter screen 3 are respectively positioned inside the first cavity 7 and the second cavity 8, the length of the filter screen 3 is more than twice of the distance between the two slide holes 15, two ends of the filter screen 3 are both fixed with baffles 14, a chute 11 communicated with the first cavity 7 is arranged on the first cavity 7, a slide rod 6 is slidably matched inside the chute 11, and the slide rod 6 is fixedly connected with the filter screen 3, install reciprocal subassembly on the slide bar 6, reciprocal subassembly includes that two parallel arrangement's reciprocal rack 5 and two reciprocal rack 5 take the tooth one side to set up relatively, be fixed with driving motor 4 on the first cavity 7, install incomplete gear 2112 on driving motor 4's the output, incomplete gear 2112 is located between two reciprocal racks 5 and meshes in turn between incomplete gear 2112 and two reciprocating gear 21, all be equipped with a plurality of water spouts 16 and all be fixed with the water supply unit 9 with water spout 16 intercommunication on first cavity 7 and the second cavity 8 inside first cavity 7 and the second cavity 8.

When the device is used, the air passing pipe 1 is firstly connected to the tail gas collecting pipeline in series, when tail gas passes through the air passing pipe 1, dust in the tail gas is filtered through the arranged filter screen 3, at the moment, the driving motor 4 is started, the driving motor 4 drives the incomplete gear 2112 to rotate, the incomplete gear 2112 is matched with the two reciprocating racks 5, so that the reciprocating racks 5 are driven to move, the slide bar 6 is driven to move along the slide groove 11, the filter screen 3 is driven to slide in the slide hole 15, the filter screen 3 positioned in the air passing pipe 1 is replaced, the filter screen 3 in the first cavity 7 or the second cavity 8 is moved, at the moment, the water feeder 9 is started, a plurality of nozzles spray water to the filter screen 3, the filter screen 3 is cleaned, dust is prevented from being adsorbed on the filter screen 3, and the influence on the filtering effect of the filter screen 3 is caused, through driving motor 4's control, realize driving the continuous removal of filter screen 3, and then realize the continuous replacement of filter screen 3, ensure the filter effect to the dust, improve the normal production of material.

Two bases 2 are arranged inside the air passing pipe 1, the two bases 2 are respectively positioned at two sides of the filter screen 3, and the filter screen 3 and the two bases 2 are in sliding sealing.

Through setting up base 2, pass through base 2 and filter screen 3's cooperation during the use to improve sealed effect, improve the filter effect to tail gas.

Inside all being equipped with a plurality of air nozzles 13 and all being fixed with the air feeder 10 with air nozzle 13 intercommunication on first cavity 7 and the second cavity 8 of first cavity 7 and the second cavity 8.

Through setting up air nozzle 13, start air feeder 10 during the use, jet-propelled to filter screen 3 to drying filter screen 3 avoids the condition of dust adhesion on filter screen 3 when filtering the dust.

The novel filter screen is characterized in that a fixed rack 22 arranged along the sliding groove 11 is arranged inside the first cavity 7, the filter screen 3 is rotatably provided with a rotating rod 17, two ends of the rotating rod 17 are respectively provided with a gear 21 and a supporting rod 18, the gear 21 and the rack are mutually meshed, the supporting rod 18 is fixedly provided with a spring 19, and one end, far away from the supporting rod 18, of the spring 19 is fixedly provided with a knocking hammer 20.

During the use, bull stick 17 follows filter screen 3 and removes, and through the cooperation of gear 21 and rack, the rotation of realizing bull stick 17 drives bracing piece 18 and rotates to make to strike hammer 20 and be continuous to strike filter screen 3, make filter screen 3 produce vibrations, thereby improve the shake of dust on filter screen 3 and fall, further improvement is to the clearance effect of dust.

Claims

1. The utility model provides a spray drying tower tail gas processing apparatus, includes the mistake trachea (1) of rectangle, the both sides of crossing trachea (1) are equipped with first cavity (7) and second cavity (8) that the symmetry set up, its characterized in that, cross trachea (1) and all be equipped with slide opening (15) with crossing trachea (1) intercommunication on being close to the two sides of first cavity (7) and second cavity (8), slide opening (15) inside slidable mounting has filter screen (3), sliding seal between filter screen (3) and two slide opening (15), the both ends of filter screen (3) are located first cavity (7) and second cavity (8) inside respectively and the length of filter screen (3) is greater than the twice of distance between two slide opening (15), the both ends of filter screen (3) all are fixed with baffle (14), be equipped with spout (11) with first cavity (7) intercommunication on first cavity (7), a sliding rod (6) is matched in the sliding groove (11) in a sliding way, the sliding rod (6) is fixedly connected with the filter screen (3), the slide bar (6) is provided with a reciprocating component, the reciprocating component comprises two reciprocating racks (5) which are arranged in parallel, one side of each of the two reciprocating racks (5) with teeth is arranged oppositely, a driving motor (4) is fixed on the first cavity (7), an incomplete gear (2112) is installed on the output end of the driving motor (4), the incomplete gear (2112) is positioned between the two reciprocating racks (5) and the incomplete gear (2112) is meshed with the two reciprocating gears (21) alternately, the water supply device is characterized in that a plurality of water nozzles (16) are arranged in the first cavity (7) and the second cavity (8), and water supply devices (9) communicated with the water nozzles (16) are fixed on the first cavity (7) and the second cavity (8).

2. The tail gas treatment device of the spray drying tower according to claim 1, wherein two bases (2) are arranged inside the air passing pipe (1), the two bases (2) are respectively located at two sides of the filter screen (3), and the filter screen (3) and the two bases (2) are in sliding sealing.

3. The tail gas treatment device of the spray drying tower according to claim 1, wherein a plurality of air nozzles (13) are arranged in the first cavity (7) and the second cavity (8), and air supply equipment (10) communicated with the air nozzles (13) is fixed on the first cavity (7) and the second cavity (8).

4. The tail gas treatment device of the spray drying tower according to claim 1, wherein a fixed rack (22) arranged along the sliding chute (11) is installed inside the first cavity (7), a rotating rod (17) is rotatably installed on the filter screen (3), a gear (21) and a support rod (18) are respectively installed at two ends of the rotating rod (17), the gear (21) and the rack are meshed with each other, a spring (19) is fixed on the support rod (18), and a knocking hammer (20) is fixed at one end, away from the support rod (18), of the spring (19).