CN217746482U

CN217746482U - Dedusting and deodorizing system between granulation

Info

Publication number: CN217746482U
Application number: CN202221423140.6U
Authority: CN
Inventors: 乐俊超; 储夏; 王东; 陈纪军; 何润田; 王晓光; 崔晓达
Original assignee: Shanghai Dongshitang Renewable Energy Co ltd
Current assignee: Shanghai Dongshitang Renewable Energy Co ltd
Priority date: 2022-06-08
Filing date: 2022-06-08
Publication date: 2022-11-08
Anticipated expiration: 2032-06-08

Abstract

The utility model discloses a dust removal deodorization system between granulation relates to dust removal deodorization system technical field, including tail gas dust collector, spray set and dust removal deodorization device, tail gas dust collector is used for handling prilling granulator's tail gas, and spray set can spray liquid in the granulation, and dust removal deodorization device is used for updating the air in the granulation. The tail gas dust removal device can remove most of dust in the granulation device, when dust and odor in the granulation device overflow into the granulation room, on one hand, the spraying device sprays plant liquid in the granulation room, the plant liquid can react with odor molecules in the air to generate odorless and nontoxic organic salt, and liquid drops of the plant liquid can adsorb the dust in the air; on the other hand, the dust removal and deodorization device can take away dust and odor in the air, renew the air in the granulation room, create a good working environment for workers and cannot influence the environment.

Description

Dedusting and deodorizing system between granulation

Technical Field

The utility model relates to a dust removal deodorization system technical field specifically is a dust removal deodorization system between granulation.

Background

The wet sludge is dewatered sludge of a municipal sewage treatment plant, and the water content of the wet sludge is about 80% after the municipal sludge is mechanically dewatered. Superheated steam provided by a waste incineration power plant is subjected to temperature reduction and pressure reduction to form saturated steam, the disc drier is used for carrying out heat drying treatment on wet sludge by using the saturated steam to form dry sludge, and the water content of the dry sludge is about 15%. And (4) granulating and packaging the dry sludge, and conveying the dry sludge to an incinerator for co-combustion with the household garbage.

Patent "CN212174776U" discloses a sludge drying and granulating system, which comprises: wet sludge receiving device, wet sludge conveying device, agitating unit, mummification granulator device, promotion conveyor, dry mud granule storage tank, tail gas deodorizing device, mud burning dust collector. Waste gas generated in the drying and granulating device enters a tail gas deodorization device, a cooling water supply device supplies water to a spraying device in a washing tower for preliminary spraying and purification, and the purified waste gas enters a sludge combustion dust removal device for combustion and elimination.

Because the dry sludge conveying system and the granulator are not tight enough, a large amount of dust and odor are generated in the granulating and packaging process, although the dust and odor overflow can be reduced by plugging granulation workshops and equipment, an ideal effect is not achieved, the physical health of workers can be influenced during operation, the environment can be polluted, and the environment-friendly concept is not met.

SUMMERY OF THE UTILITY MODEL

In order to solve among the prior art dry sludge conveying system and granulator tight inadequately, cause the excessive problem of a large amount of dust and foul smell, the utility model provides a dust removal deodorization system between granulation, include:

the tail gas dust removal device is used for treating tail gas of the granulation device;

the spraying device can spray liquid in the granulation room;

a dust removal and deodorization device for updating the air in the granulation room.

As a further improvement of the above technical solution:

the granulating device comprises a conveying belt, a buffer bin and a granulator which are connected in sequence; the tail gas dust removal device comprises a first dust removal pipe, a second dust removal pipe, a third dust removal pipe, a dust remover and a tail gas induced draft fan, wherein one end of the first dust removal pipe is communicated with the conveying belt, and the other end of the first dust removal pipe is communicated with the input end of the dust remover; one end of the second dust removal pipe is communicated with the buffer bin, and the other end of the second dust removal pipe is communicated with the input end of the dust remover; one end of the third dust removal pipe is communicated with the granulator, and the other end of the third dust removal pipe is communicated with the input end of the dust remover; the input of tail gas draught fan with the output intercommunication of dust remover, the output and the incineration workshop intercommunication of tail gas draught fan, the tail gas draught fan can be with tail gas guide to incineration workshop.

The spraying device comprises a water tank, a water pump, a spraying pipe and a spraying opening which are sequentially connected, the spraying pipe is arranged in the granulation room, and the spraying opening is used for atomizing and spraying the spraying liquid.

The number of the spraying openings is multiple, and the spraying openings are arranged at intervals.

The dust removal and deodorization device comprises a washing tower, a deodorization induced draft fan and an air pipe, wherein the deodorization induced draft fan can guide air among granules to the washing tower through the air pipe; the air pipe comprises an outer air pipe and an inner air pipe which are mutually communicated, one end of the outer air pipe is communicated with the washing tower, the other end of the outer air pipe is communicated with the inner air pipe, and the inner air pipe is arranged in the granulation room.

The inner air pipe comprises air conveying pipe sections and air exhaust pipe sections which are arranged at intervals and communicated with each other, the air exhaust pipe sections are provided with louver windows, and the louver windows are used for being communicated with the granulation room and the inner air pipe.

The number of the inner air pipes is multiple, and the inner air pipes are arranged at intervals.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the tail gas dust removal device can remove most of dust in the conveying belt, the buffer bin and the granulator, and when dust and odor in the granulator overflow to the granulation room, on one hand, the spraying device sprays plant liquid in the granulation room, the plant liquid can react with odor molecules in the air to generate tasteless and nontoxic organic salt, and liquid drops of the plant liquid can adsorb dust in the air; on the other hand, the dust removal and deodorization device can bring away dust and odor in the air, updates the air in the granulation room, solves the problems of much dust and serious odor in the original granulation room, creates a good working environment for workers, and does not influence the environment.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of the tail gas dust removing device of the present invention;

FIG. 2 is a schematic view of the spraying device of the present invention;

FIG. 3 is a schematic view of the dust removing and deodorizing device of the present invention;

fig. 4 is a schematic view of the inner duct portion of the present invention.

Reference numerals:

1. a granulation chamber; 10. a conveyor belt; 11. a buffer bin; 12. a granulator; 20. a first dust removal pipe; 21. a second dust removal pipe; 22. a third dust removal pipe; 23. a dust remover; 24. a tail gas draught fan; 30. an incineration plant; 40. a water tank; 41. a water pump; 42. a spray pipe; 43. a spray port; 50. a washing tower; 51. a deodorization draught fan; 52. an outer air duct; 53. an inner air duct; 531. a wind-transmitting pipe section; 532. an air draft pipe joint; 60. a control cabinet.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention. Various embodiments or examples and features of various embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Fig. 1 illustrates the schematic diagram of the tail gas dust removing device of the present invention, fig. 2 illustrates the schematic diagram of the spraying device of the present invention, fig. 3 illustrates the schematic diagram of the dust removing and deodorizing device of the present invention, as shown in fig. 1-fig. 3, the dust removing and deodorizing system 1 between granules of the present embodiment includes: tail gas dust collector, spray set and dust removal deodorizing device, tail gas dust collector are used for handling prilling granulator's tail gas, and spray set can spray liquid in 1 between the granulation, and dust removal deodorizing device is used for renewing the air in 1 between the granulation. The tail gas dust removal device can remove most of dust in the granulation device, when dust and odor in the granulation device overflow into the granulation room 1, on one hand, the spraying device sprays plant liquid in the granulation room 1, the plant liquid can react with odor molecules in the air to generate tasteless and nontoxic organic salt, and liquid drops of the plant liquid can adsorb dust in the air; on the other hand, the dust removal and deodorization device can take away dust and odor in the air, renews the air in the granulation room 1, creates a good working environment for workers, and does not influence the environment.

It should be noted here that the tail gas dust removing device, the spraying device and the dust removing and deodorizing device are all electrically connected to the control cabinet 60, and the switch in the control cabinet 60 controls the start and the stop of other devices.

According to the embodiment of the present invention, as shown in fig. 1, the granulating device comprises a conveyer belt 10, a buffer bin 11 and a granulator 12 which are connected in sequence; the tail gas dust removal device comprises a first dust removal pipe 20, a second dust removal pipe 21, a third dust removal pipe 22, a dust remover 23 and a tail gas induced draft fan 24, wherein one end of the first dust removal pipe 20 is communicated with the conveying belt 10, and the other end of the first dust removal pipe is communicated with the input end of the dust remover 23; one end of the second dust removal pipe 21 is communicated with the buffer bin 11, and the other end is communicated with the input end of the dust remover 23; one end of the third dust removing pipe 22 is communicated with the granulator 12, and the other end is communicated with the input end of the dust remover 23; the input of tail gas draught fan 24 communicates with the output of dust remover 23, and the output and the incineration workshop 30 intercommunication of tail gas draught fan 24, and tail gas draught fan 24 can lead tail gas to incineration workshop 30.

It should be noted here that a necessary shield can be provided above the conveyor belt 10, which shield can reduce the dust of the conveyor belt 10 from spreading into the air.

According to the utility model discloses an embodiment, as shown in fig. 2, spray set is including the water tank 40, water pump 41, shower 42 and the mouth 43 that sprays that connect gradually, and shower 42 lays in granulation room 1, and the mouth 43 that sprays is used for atomizing and the blowout to spray liquid. The shower 42 may be disposed on the top or on the side wall of the granulation chamber 1. The spraying liquid is preferably plant liquid which can react with the peculiar smell molecules to generate tasteless and nontoxic organic salt. The water tank 40 is used for storing the plant liquid, the water pump 41 provides power for the movement of the plant liquid, the atomized plant liquid drops have large specific surface area and large surface energy, the liquid drops can effectively adsorb peculiar smell molecules and dust in the air, and the liquid drops fall under the action of gravity, so that the air is purified, and the effects of dust removal and deodorization are achieved.

According to the utility model discloses an embodiment, the quantity of spraying mouth 43 is a plurality of, and a plurality of spraying mouth 43 interval arrangements.

According to the utility model discloses an embodiment, as shown in fig. 3, dust removal deodorizing device includes scrubbing tower 50, deodorization draught fan 51 and tuber pipe, and deodorization draught fan 51 can lead the air of granulation room 1 to scrubbing tower 50 through the tuber pipe, and the air is discharged into the atmosphere after being purified by scrubbing tower 50. The air duct comprises an outer air duct 52 and an inner air duct 53 which are communicated with each other, one end of the outer air duct 52 is communicated with the washing tower 50, the other end of the outer air duct is communicated with the inner air duct 53, the inner air duct 53 is arranged in the granulation room 1, and the inner air duct 53 can be arranged at the top or the side wall of the granulation room 1.

According to the embodiment of the utility model, fig. 4 illustrates the utility model discloses a partial schematic diagram of interior wind pipe 53, interior wind pipe 53 including alternate setting and the biography wind pipe section 531 and the convulsions pipe section 532 of intercommunication, convulsions pipe section 532 are equipped with shutter, shutter is used for communicating between the granulation 1 with interior wind pipe 53. Air in the granulation room 1 can enter the inner air pipe 53 from the exhaust pipe joint 532, the air delivery pipe joint 531 is a common pipeline, the air delivery pipe joint 531 can ensure negative pressure conduction in the inner air pipe 53, and the air delivery pipe joint 531 and the exhaust pipe joint 532 are arranged alternately, so that the exhaust pipe joint 532 is more widely distributed in the granulation room 1, and the absorption of the air in the granulation room 1 is facilitated.

According to the utility model discloses an embodiment, the quantity of interior tuber pipe 53 is a plurality of, a plurality of interior tuber pipe 53 interval arrangements. The area for absorbing air can be increased.

The utility model discloses a theory of operation: the conveyer belt 10 conveys the dry sludge to the buffer bin 11, and the dry sludge in the buffer bin 11 is conveyed to the granulator 12 again. Starting a tail gas induced draft fan 24 and a dust remover 23, sucking tail gas in the conveying belt 10, the buffer bin 11 and the granulator 12 into the dust remover 23, removing dust in the tail gas by the dust remover 23, and guiding the tail gas output by the dust remover 23 to an incineration workshop 30 by the tail gas induced draft fan 24 for incineration; starting a water pump 41, pumping the plant liquid in the water tank 40 to a spray pipe 42, atomizing the plant liquid by a spray port 43, spraying the plant liquid into the granulation room 1, adsorbing peculiar smell molecules and dust by plant liquid drops, and enabling the plant liquid to react with the peculiar smell molecules to convert the peculiar smell molecules into compounds without peculiar smell; and (3) starting the deodorization induced draft fan 51, absorbing the air in the granulation room 1 from the induced draft pipe joint 532 and transmitting the air to the washing tower 50, and purifying the air by the washing tower 50 and then exhausting the air into the atmosphere.

The utility model discloses in the technical scheme of each embodiment can make up, technical feature in the embodiment also can make up and form new technical scheme, the structure that does not mention, can realize the correlation function in the embodiment is prior art.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A dust removal and deodorization system for a granulation room is characterized by comprising:

the spraying device can spray liquid in the granulation room;

the dust removal and deodorization device is used for updating air in the granulation room;

2. The dedusting and deodorizing system for the granulation room as claimed in claim 1, wherein the spraying device comprises a water tank, a water pump, a spraying pipe and a spraying port which are connected in sequence, the spraying pipe is arranged in the granulation room, and the spraying port is used for atomizing and spraying the spraying liquid.

3. The dust and odor removing system for a granulation chamber as defined in claim 2, wherein said spray opening is provided in plurality, and said plurality of spray openings are arranged at intervals.

4. The pelletizing plant dust removal deodorization system of claim 2, wherein the dust removal and deodorization device comprises a washing tower, a deodorization induced draft fan and an air duct, the deodorization induced draft fan can guide air in the pelletizing plant to the washing tower through the air duct; the air pipe comprises an outer air pipe and an inner air pipe which are mutually communicated, one end of the outer air pipe is communicated with the washing tower, the other end of the outer air pipe is communicated with the inner air pipe, and the inner air pipe is arranged in the granulation room.

5. The dedusting and deodorizing system for the granulation room as claimed in claim 4, wherein the inner air pipe comprises an air transfer pipe section and an air exhaust pipe section which are arranged at intervals and are communicated with each other, the air exhaust pipe section is provided with a louver, and the louver is used for communicating the granulation room and the inner air pipe.

6. The dedusting and deodorizing system for the pelletizing plant according to claim 4, wherein the number of the inner air pipes is multiple, and the multiple inner air pipes are arranged at intervals.