CN214319562U

CN214319562U - Humidifying and dedusting structure of tube bundle type dust remover

Info

Publication number: CN214319562U
Application number: CN202022511583.8U
Authority: CN
Inventors: 于乐意; 沈卫东; 涂文龙; 冯丽军; 谭晓磊
Original assignee: Jiangsu Yijin Environmental Protection Technology Co ltd
Current assignee: Jiangsu Yijin Environmental Protection Technology Co ltd
Priority date: 2020-11-03
Filing date: 2020-11-03
Publication date: 2021-10-01
Anticipated expiration: 2030-11-03

Abstract

The utility model discloses a humidification dust removal structure of tube bundle dust remover, including dust removal pipe, setting spray assembly and the dust removal humidification subassembly at the dust removal intraduct, the dust removal humidification subassembly includes the humidification supply channel who is linked together with spray assembly, the tip of humidification supply channel is equipped with high-pressure atomizer. The high-pressure atomizing nozzles are arranged at the middle and rear sections of the dust removing pipe, so that the atomizing effect of liquid drops in the dust removing pipe is ensured, the number of liquid drops in the rear section dust removing pipe is increased, the humidity in the middle and rear section dust removing pipe is increased, and the dust removing efficiency of the spraying assembly positioned at the rear stage of the dust removing and humidifying assembly is further improved; the spraying water pipeline of the pipeline spraying component of the dust removal humidifying component is shared, so that the occupied space in the dust removal pipe is reduced.

Description

Humidifying and dedusting structure of tube bundle type dust remover

Technical Field

The utility model relates to a dust remover technical field, concretely relates to humidification dust removal structure of tube bundle dust remover.

Background

At present, in domestic coal-fired boilers, gas-fired boilers, sintering machines and pelletizing equipment, the waste gas environment-friendly treatment device mostly adopts a limestone/lime-gypsum wet process. With the increasingly strict national environmental protection requirements, the exhaust emission indexes of the equipment all need to reach the ultra-low emission limit value, namely SO₂≤35mg/Nm³，NO_X≤50mg/Nm³Dust is less than or equal to 10mg/Nm³The dust emission concentration is required to be less than or equal to 5mg/Nm in some areas³. The tube bundle type dust remover utilizes the centrifugal force generated by the Venturi accelerator and the swirl vanes inside the tube bundle to throw liquid drops in flue gas to the tube wall, and the diameter of the liquid drops is increased in the liquid drop collision and gathering process, so that dust is captured. However, when the flue gas passes through the tube bundle, along with the dust removal, the concentration of liquid drops and the concentration of dust in the flue gas are obviously reduced, the distance between the liquid drops and the dust is larger and larger, the effect of collision and convergence between the liquid drops and the dust is poorer and poorer, and therefore the dust removal efficiency is poorer and poorer at the rear section of the tube bundle.

Disclosure of Invention

An object of the utility model is to overcome the defect that exists among the prior art, provide a simple structure, can effectively improve humidity in the tube bank, improve dust collection efficiency's tube bundle dust remover's humidification dust removal structure.

In order to achieve the purpose, the technical scheme of the utility model a design a humidification dust removal structure of tube bundle dust remover, including dust removal pipe, setting at the inside spray assembly of dust removal pipe and dust removal humidification subassembly, dust removal humidification subassembly includes the humidification supply channel that is linked together with spray assembly, the tip of humidification supply channel is equipped with high pressure atomizing nozzle. The high-pressure atomizing nozzles are arranged at the middle and rear sections of the dust removing pipe, so that the atomizing effect of liquid drops in the dust removing pipe is ensured, the number of liquid drops in the rear section dust removing pipe is increased, the humidity in the middle and rear section dust removing pipe is increased, and the dust removing efficiency of the spraying assembly positioned at the rear stage of the dust removing and humidifying assembly is further improved; the spraying water pipeline of the pipeline spraying component of the dust removal humidifying component is shared, so that the occupied space in the dust removal pipe is reduced.

The preferred technical scheme does, spray assembly includes the shower, and at least three ring is established to the shower overcoat, the circumference of ring sets up a plurality of whirl blade mutually in a staggered manner, and the shower wall is equipped with the apopore, and the apopore department sets up the shower head, and the direction of spraying of shower head is towards whirl blade.

According to a further preferable technical scheme, a bearing is sleeved on the outer side of the circular ring, a plurality of cyclone blades are connected with the outer wall of the bearing, and a gap is formed between the tail ends of the cyclone blades and the inner wall of the dust removal pipe. The pipe bundle type dust remover utilizes the centrifugal force generated by the Venturi accelerator and the cyclone blades inside the dust removing pipe, liquid drops dispersed in dust-containing gas are thrown to the pipe wall, the liquid drops collide and gather, the diameter of the liquid drops is increased, dust in the dust-containing gas is captured, the cyclone blades are connected with a circular ring through a bearing structure, the dust-containing gas enters the dust removing pipe from the lower part, the blades are driven to rotate when passing through the blades, the cyclone blades rotate to increase the centrifugal force of the cyclone blades, the collision rate of the liquid drops is improved, and the dust removing speed is improved.

Further preferably, the surface of the swirl vane is provided with an anti-sticking coating. The surface of the swirl blade is provided with an anti-sticking coating, so that the dust accumulation is reduced, and the cleaning efficiency of the washing water on the swirl blade is improved.

According to a further preferred technical scheme, the spraying assembly comprises a plurality of spraying parts connected in a segmented mode, each spraying part comprises a section of spraying pipe and a swirl blade connected with the spraying pipe, and adjacent spraying pipe sections are connected through a quick-release type connecting piece. The spray pipes are connected in a quick-release combined mode, so that the field assembly construction is facilitated, the transportation efficiency of each component is improved, and the convenience and convenience degree of the assembly of the dust remover is improved.

The preferable technical scheme is that the connecting piece comprises a lower connecting piece which is sleeved at one end of the lower spray pipe and can rotate relative to the lower spray pipe, and the lower connecting piece is uniformly provided with a first clamping groove, a second clamping groove and a third clamping groove along the circumferential direction of the lower spray pipe; the circumference of one end of the spray pipe positioned above is provided with a first boss, a second boss and a third boss, and the first boss, the second boss and the third boss can be correspondingly screwed into the first clamping groove, the second clamping groove and the third clamping groove.

The further preferred technical scheme is that at least three groups of spraying components are arranged, and one group or two groups of spraying components are arranged above the dedusting and humidifying component.

The utility model has the advantages and the beneficial effects that: the humidifying and dedusting structure of the tube bundle type deduster has the advantages of simple structure, capability of effectively improving the humidity in the tube bundle and improving the dedusting efficiency. The high-pressure atomizing nozzles are arranged at the middle and rear sections of the dust removing pipe, so that the atomizing effect of liquid drops in the dust removing pipe is ensured, the number of liquid drops in the rear section dust removing pipe is increased, the humidity in the middle and rear section dust removing pipe is increased, and the dust removing efficiency of the spraying assembly positioned at the rear stage of the dust removing and humidifying assembly is further improved; the spraying water pipeline of the pipeline spraying component of the dedusting and humidifying component is shared, so that the occupied space in the dedusting pipe is reduced; the cyclone blades are connected with the circular ring through a bearing structure, dust-containing gas enters the dust removal pipe from the lower part, the blades are driven to rotate when passing through the blades, the centrifugal force of the cyclone blades is increased by the rotation of the cyclone blades, the collision rate of liquid drops is increased, and the dust removal rate is increased; the spray pipes are connected in a quick-release combined mode, so that the field assembly construction is facilitated, the transportation efficiency of each component is improved, and the convenience and convenience degree of the assembly of the dust remover is improved.

Drawings

FIG. 1 is a schematic view of the humidifying and dust-removing structure of the present invention;

FIG. 2 is a schematic view of the spray unit and the dedusting and humidifying assembly of the present invention;

fig. 3 is a schematic structural view of the shower pipe connector of the present invention.

In the figure: 1. a dust removal pipe; 2. a humidifying water supply line; 3. a high pressure atomizer; 4. a shower pipe; 5. a swirl vane; 6. a shower head; 7. a bearing; 8. a lower connecting piece; 9. a first boss.

Detailed Description

The following description will further describe embodiments of the present invention with reference to the accompanying drawings and examples. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

As shown in fig. 1 to fig. 3, the utility model relates to a humidifying dust removal structure of tube bundle type dust remover, including dust removal pipe 1, setting at the inside spray assembly of dust removal pipe and dust removal humidification subassembly, dust removal humidification subassembly includes the humidification water supply line 2 that is linked together with spray assembly, the tip of humidification water supply line is equipped with high pressure atomizing nozzle 3.

The spray assembly comprises a spray pipe 4, at least three circular rings are sleeved outside the spray pipe, a plurality of swirl vanes 5 are arranged on the circumferences of the circular rings in a staggered mode, water outlet holes are formed in the wall of the spray pipe, spray heads 6 are arranged at the water outlet holes, and the spraying directions of the spray heads face the swirl vanes.

The bearing 7 is sleeved on the outer side of the circular ring, the plurality of cyclone blades are connected with the outer wall of the bearing, and a gap is formed between the tail ends of the cyclone blades and the inner wall of the dust removal pipe.

The surface of the swirl vane is provided with an anti-sticking coating.

The spray assembly is composed of a plurality of spray pieces connected in sections, each spray piece comprises a section of spray pipe and a swirl blade connected with the spray pipe, and adjacent spray pipe sections are connected through a quick-release connecting piece.

The connecting piece comprises a lower connecting piece 8 which is sleeved at one end of the lower spray pipe and can rotate relative to the lower spray pipe, and the lower connecting piece is uniformly provided with a first clamping groove, a second clamping groove and a third clamping groove along the circumferential direction of the lower spray pipe; the circumference of one end of the spray pipe positioned above is provided with a first boss 9, a second boss and a third boss, and the first boss, the second boss and the third boss can be correspondingly screwed into the first clamping groove, the second clamping groove and the third clamping groove.

The spraying components are four groups, and two groups of spraying components are arranged above the dedusting and humidifying component.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The humidifying and dedusting structure of the tube bundle type deduster is characterized by comprising a dedusting tube, a spraying component and a dedusting and humidifying component, wherein the spraying component and the dedusting and humidifying component are arranged in the dedusting tube, the dedusting and humidifying component comprises a humidifying water supply pipeline communicated with the spraying component, and the end part of the humidifying water supply pipeline is provided with a high-pressure atomizing spray head.

2. The humidifying and dedusting structure of the tube bundle type deduster according to claim 1, wherein the spray assembly comprises a spray pipe, at least three rings are sleeved outside the spray pipe, the circumference of the rings is provided with a plurality of swirl vanes in a staggered manner, the wall of the spray pipe is provided with water outlet holes, spray heads are arranged at the water outlet holes, and the spraying direction of the spray heads faces to the swirl vanes.

3. The humidifying and dedusting structure of the tube bundle type deduster according to claim 2, wherein a bearing is sleeved outside the circular ring, a plurality of the cyclone blades are connected with the outer wall of the bearing, and a gap is formed between the tail ends of the cyclone blades and the inner wall of the dedusting tube.

4. The humidifying dust removing structure of a tube bundle dust remover according to claim 3, wherein the surface of the swirl vane has an anti-sticking coating.

5. The humidifying and dedusting structure of a tube bundle type deduster according to claim 4, wherein the spray assembly is composed of a plurality of spray parts connected in sections, each spray part comprises a section of spray pipe and a swirl vane connected with the spray pipe, and adjacent spray pipe sections are connected through a quick-release type connecting piece.

6. The humidifying and dedusting structure of the tube bundle deduster according to claim 5, wherein the connecting member comprises a lower connecting member which is sleeved at one end of the lower spray pipe and can rotate relative to the lower spray pipe, and the lower connecting member is provided with a first clamping groove, a second clamping groove and a third clamping groove uniformly along the circumferential direction of the lower spray pipe; the circumference of one end of the spray pipe positioned above is provided with a first boss, a second boss and a third boss, and the first boss, the second boss and the third boss can be correspondingly screwed into the first clamping groove, the second clamping groove and the third clamping groove.

7. The humidifying and dedusting structure of the tube bundle deduster of claim 6, wherein the number of the spraying components is at least three, and one or two groups of spraying components are arranged above the dedusting and humidifying component.