CN211158947U

CN211158947U - Pulse dust collector is used in starch production

Info

Publication number: CN211158947U
Application number: CN201921526241.4U
Authority: CN
Inventors: 刘文学
Original assignee: Hebei Huasheng Noodle Co ltd
Current assignee: Hebei Huasheng Noodle Co ltd
Priority date: 2019-09-16
Filing date: 2019-09-16
Publication date: 2020-08-04
Anticipated expiration: 2029-09-16

Abstract

The utility model relates to a starch production facility technical field especially relates to pulse dust collector for starch production. Comprises a dust removal box body; a pattern plate is arranged at the middle upper part of the dust removal box body; a plurality of filter bags are arranged on the pattern plate; a soot blower is arranged on the periphery of the upper part of the filter bag; a purified gas outlet is formed in the upper part of the left side of the dust removal box body; an air inlet pipeline is arranged in the middle of the right side of the dust removal box body; and an anti-deposition device is arranged in the air inlet pipeline. By adopting the scheme that the soot blowing devices are arranged around the upper part of the filter bag, when the starch is separated from the filter bag due to the recoil of the compressed air, the soot blowing devices blow air downwards to blow the starch to the direction of the starch deposition hopper, so that the proportion of the blown-off starch adsorbed on the filter bag again is reduced, and the time interval for cleaning the filter bag is greatly prolonged; the anti-deposition device is arranged in the air inlet pipeline of the dust remover, so that starch deposition is prevented from blocking the pipeline.

Description

Pulse dust collector is used in starch production

Technical Field

The utility model relates to a starch production facility technical field especially relates to pulse dust collector for starch production.

Background

In the production process of wheat starch, the separated starch needs to be dried by a hot air pipeline type dryer, and then separated and collected by a cyclone separator. However, the cyclone separator cannot completely collect starch, the discharged air also contains a large amount of starch particles or powder, and if the starch particles or powder are directly discharged into the air, the air pollution is caused, the starch is wasted, the yield is reduced, and therefore, a dust removal device must be connected to an air outlet of the cyclone separator.

The dust removal device used in the factory at present has better dust removal effect and has an explosion-proof function. However, starch easily blocks the filter bag, so that the dust removal effect is deteriorated, although the dust collector is provided with the backflushing device, the effect of removing starch on the filter bag is limited, and workers need to clean or replace the filter bag at intervals. Moreover, starch may be deposited in the air inlet duct of the dust collector, which may cause clogging of the duct after a long period of operation.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to the technical insufficiency, a pulse dust-removing device for starch production is provided, a scheme of arranging a soot blower around the upper part of a filter bag is adopted, when the recoil of compressed air enables starch to be separated from the filter bag, the soot blower blows downwards and blows the starch to the direction of a starch deposit hopper, the proportion of the blown-down starch adsorbed on the filter bag is reduced, and the time interval for cleaning the filter bag is greatly prolonged; the anti-deposition device is arranged in the air inlet pipeline of the dust remover, so that starch deposition is prevented from blocking the pipeline.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: comprises a dust removal box body; a pattern plate is arranged at the middle upper part of the dust removal box body; the dust removal box body is divided into an upper space and a lower space by the pattern plate; a plurality of filter bags are arranged on the pattern plate; a soot blower is arranged on the periphery of the upper part of the filter bag; a purified gas outlet is formed in the upper part of the left side of the dust removal box body; the purified gas outlet is positioned above the flower plate; an air inlet pipeline is arranged in the middle of the right side of the dust removal box body; the air inlet pipeline is positioned below the pattern plate; an anti-deposition device is arranged inside the air inlet pipeline; the anti-deposition device is at a certain distance from the dust removal box body.

Further optimize this technical scheme, the filter bag top is provided with the jet-propelled pipe, the left end of jet-propelled pipe is connected first solenoid valve, first solenoid valve passes through the pipeline and is connected with first gas holder.

Further optimizing the technical scheme, the soot blower is connected to a second electromagnetic valve through a pipeline; and the second electromagnetic valve is connected with a second air storage tank through a pipeline.

Further optimizing the technical scheme, a control box is arranged on the outer side of the middle part of the left end of the dust removal box body; the first electromagnetic valve and the second electromagnetic valve are connected with the control box.

Further optimizing the technical scheme, the soot blowing device is annular and comprises an air inlet pipe and a vertically downward air blowing pipe; the number of the air blowing pipes is multiple according to needs.

Further optimizing the technical scheme, the anti-deposition device comprises a steerable air blowing pipe, the steerable air blowing pipe penetrates through the wall of the pipeline, and a rotary seal is arranged between the steerable air blowing pipe and the pipeline; an inner fixing plate and an outer fixing plate are respectively arranged on two sides of the pipeline wall, and a sealing gasket is arranged between the two fixing plates and the pipeline wall; the turnable air blowing pipe is fixed by an inner fixing plate and an outer fixing plate.

Further optimize this technical scheme, the dust removal box below is provided with starch deposit fill.

Further optimize this technical scheme, dust removal box the place ahead is provided with the guardrail.

Compared with the prior art, the utility model has the advantages of it is following: 1. the soot blowing devices are arranged around the upper part of the filter bag, so that the time interval for cleaning the filter bag is greatly prolonged, the labor intensity of workers is reduced, and the utilization rate of equipment is improved; 2. the adoption sets up in dust remover inlet duct and prevents deposition device, and this structure has avoided starch deposit to block the pipeline and has leaded to the unable normal operating of equipment, has reduced the number of times of shutting down the maintenance.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a left side view of the present invention.

FIG. 3 is a schematic diagram of a sootblower configuration.

Fig. 4 is a schematic structural view of the deposition preventing apparatus.

In the figure: 1. a starch deposition hopper; 2. a dust removal box body; 3. a filter bag; 4. a soot blower; 5. a purified gas outlet; 6. a gas ejector tube; 7. a first solenoid valve; 8. a second solenoid valve; 9. an anti-deposition device; 10. a control box; 11. a first gas storage tank; 12. a second gas tank; 13. a guardrail; 14. a pattern plate; 15. an air intake duct; 41. an air inlet pipe; 42. an air blowing pipe; 91. a steerable gas blow tube; 92. an inner fixing plate; 93. a gasket; 94. rotating and sealing; 95. an outer fixing plate; 96. the duct wall.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in fig. 1-4, the pulse dust removing device for starch production comprises a dust removing box body 2; a starch deposition hopper 1 is arranged below the dust removal box body 2 and can collect the filtered starch; the guardrail 13 is arranged in front of the dust removal box body 2, so that the operation of workers is facilitated; the middle upper part of the dust removing box body 2 is provided with a pattern plate 14; the dust removal box body 2 is divided into an upper space and a lower space by the flower plate 14; a plurality of filter bags 3 are arranged on the pattern plate 14; the upper part of the left side of the dust removal box body 2 is provided with a purified gas outlet 5, and the purified gas outlet 5 is positioned above the flower plate 14; an air inlet pipeline 15 is arranged in the middle of the right side of the dust removal box body 2, and the air inlet pipeline 15 is positioned below the pattern plate 14.

An air injection pipe 6 is arranged above the filter bag 3, the left end of the air injection pipe 6 is connected with a first electromagnetic valve 7, and the first electromagnetic valve 7 is connected with a first air storage tank 11 through a pipeline; compressed air can be sprayed out of the air spraying pipe 6, so that the starch adsorbed on the filter bag 3 falls off.

A soot blower 4 is arranged on the periphery of the upper part of the filter bag 3; the soot blower 4 is annular and comprises an air inlet pipe 41 and an air blowing pipe 42 which is vertically downward; the number of the air blowing pipes 42 is determined according to the diameter of the filter bag, when the starch adsorbed on the filter bag 3 is flushed and shaken off by the compressed air, the air blowing pipes 42 blow the compressed air to blow the shaken starch to the direction of the starch deposition bucket 1.

The soot blower 4 is connected to a second electromagnetic valve 8 through a pipeline; the second electromagnetic valve 8 is connected with a second air storage tank 12 through a pipeline.

A control box 10 is arranged outside the middle part of the left end of the dust removing box body 2; the first solenoid valve 7 and the second solenoid valve 8 are connected to a control box 10, and the control box 10 can control the frequency and duration of opening of the two solenoid valves.

The deposition preventing device 9 is arranged in the air inlet pipeline 15; the anti-deposition device 9 is arranged on the side surface of the pipeline, and can be arranged in pairs at two sides for improving the effect; the anti-deposition device 9 is a certain distance away from the dust removal box body 2, the distance is adjusted according to the actual arrangement of the pipeline, and if the pipeline is longer, a plurality of pairs of anti-deposition devices 9 can be arranged; the anti-deposition device 9 comprises a steerable gas blowing pipe 91, the steerable gas blowing pipe 91 penetrates through a pipeline wall 96, and a rotary seal 94 is arranged between the steerable gas blowing pipe 91 and the pipeline wall 96; an inner fixing plate 92 and an outer fixing plate 95 are respectively arranged on two sides of the pipeline wall 96, and a sealing gasket 93 is arranged between the two fixing plates and the pipeline wall 96; the steerable insufflation tube 91 is secured by an inner fixation plate 92 and an outer fixation plate 95.

When the dust removal device is used, air containing starch enters the dust removal box body 2 from the air inlet pipeline 15, is filtered by the dust removal bag 3, and clean air enters the fan from the purified air outlet 5 and is discharged. In the process, the control box 10 sets the time interval of the back flushing of the compressed air and the duration time of each back flushing, and controls the opening and closing of the first electromagnetic valve 7 and the second electromagnetic valve 8 to remove the starch adsorbed on the surface of the filter bag 3. When backflushing, the first electromagnetic valve 7 is opened, compressed air enters the air injection pipe 6 from the first air storage tank 11 and then is injected into the filter bag 3 to shake off the starch adsorbed on the filter bag; meanwhile, the second electromagnetic valve 8 is opened, compressed air enters the air inlet pipe 41 from the second air storage tank 12 and then is sprayed out from the air blowing pipe 42 which is vertically downward, and the shaken starch is blown towards the starch deposition hopper 1. The anti-deposition device 9 is connected with a compressed air source, and can turn to the air blowing pipe 91 to spray compressed air at regular intervals to blow the starch deposited at the bottom of the pipeline into the dust removal box body 2.

The utility model discloses a control mode comes automatic control through the controller, and the control circuit of controller can realize through the simple programming of technical staff in this field, belongs to the common general knowledge in this field, and the utility model discloses mainly be used for protecting the machinery setting, so the utility model discloses no longer explain control mode and circuit connection in detail.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. Pulse dust collector for starch production, its characterized in that: comprises a dust removal box body (2); a pattern plate (14) is arranged at the middle upper part of the dust removal box body (2); the dust removal box body (2) is divided into an upper space and a lower space by the pattern plate (14); a plurality of filter bags (3) are arranged on the pattern plate (14); a soot blower (4) is arranged on the periphery of the upper part of the filter bag (3); a purified gas outlet (5) is arranged at the upper part of the left side of the dust removal box body (2); the purified gas outlet (5) is positioned above the flower plate (14); an air inlet pipeline (15) is arranged in the middle of the right side of the dust removal box body (2); the air inlet pipeline (15) is positioned below the pattern plate (14); an anti-deposition device (9) is arranged in the air inlet pipeline (15); the deposition prevention device (9) is at a certain distance from the dust removal box body (2).

2. The pulse dust collector for starch production according to claim 1, wherein: an air injection pipe (6) is arranged above the filter bag (3), the left end of the air injection pipe (6) is connected with a first electromagnetic valve (7), and the first electromagnetic valve (7) is connected with a first air storage tank (11) through a pipeline.

3. The pulse dust collector for starch production according to claim 2, wherein: the soot blower (4) is connected to a second electromagnetic valve (8) through a pipeline; the second electromagnetic valve (8) is connected with a second air storage tank (12) through a pipeline.

4. The pulse dust collector for starch production according to claim 3, wherein: a control box (10) is arranged on the outer side of the middle part of the left end of the dust removal box body (2); the first electromagnetic valve (7) and the second electromagnetic valve (8) are connected with a control box (10).

5. The pulse dust collector for starch production according to claim 1, wherein: the soot blowing device (4) is annular and comprises an air inlet pipe (41) and a vertically downward air blowing pipe (42); the plurality of the air blowing pipes (42) are arranged according to the requirement.

6. The pulse dust collector for starch production according to claim 1, wherein: the deposition prevention device (9) comprises a turnable gas blowing pipe (91), the turnable gas blowing pipe (91) penetrates through the pipeline wall (96), and a rotary seal (94) is arranged between the turnable gas blowing pipe and the pipeline wall; an inner fixing plate (92) and an outer fixing plate (95) are respectively arranged on two sides of the pipeline wall (96), and a sealing gasket (93) is arranged between the two fixing plates and the pipeline wall (96); the turnable air blowing pipe (91) is fixed by an inner fixing plate (92) and an outer fixing plate (95).

7. The pulse dust collector for starch production according to claim 1, wherein: a starch deposition hopper (1) is arranged below the dust removal box body (2).

8. The pulse dust collector for starch production according to claim 1, wherein: a guardrail (13) is arranged in front of the dust removal box body (2).