Feeding dust remover for starch recovery

Abstract

The feeding dust remover comprises a water film dust remover, a fan is arranged at the top of the water film dust remover, a radar liquid level meter is fixedly connected to the top of the water film dust remover, and a feeding air pipe is fixedly connected to the position, close to the bottom, of one side of the outer wall of the water film dust remover. A water supplementing pipe communicated with the water film dust remover is arranged at the top of the feeding air pipe, a liquid discharging pipe is arranged at the bottom of the water film dust remover, and a starch milk recycling pipe is arranged on one side of the middle of the liquid discharging pipe. Through mutual cooperation of the water film dust remover, the centrifugal pump, the butterfly valve and related pipelines, the purpose of no material blockage and powder leakage of the dust remover is achieved, the material blockage risk of equipment is reduced, workers do not need to knock in a dust area regularly, the working intensity of the workers is reduced, meanwhile, effective operation of the equipment is guaranteed, potential safety hazards are reduced, and the working efficiency is improved. And meanwhile, the water film dust remover is used for washing dust, and water is discharged and materials are flushed regularly, so that the starch recycling requirement can be met.

Description

TECHNICAL FIELD

[0001] The utility model relates to a feeding dust collector for starch recovery belongs to the technical field of feeding dust removal equipment. BACKGROUND

[0002] In order to meet the production continuous stable operation, safety requirement, energy saving and emission reduction and the concept of four modernizations, the current traditional dust collector uses the failure rate is higher, often occurs the situation of blockage, powder and needs to replace the filter element regularly, resulting in high operating cost, while the operation frequency is higher, needs to carry out the knocking mode guaranteeing the effective operation of equipment many times per shift, there is certain safety hidden danger and the increase of staff workload, therefore, the reform is necessary.

[0003] Because dust will be produced in the feeding process, mostly through the exhaust of negative pressure fan, but when carrying out starch feeding, the starch needs to be recovered, otherwise causes environmental pollution and unnecessary waste, currently, the polyurethane filter element mode is often used to recover, but the effect is poor, according to the water soluble characteristics of starch, therefore, the water circulation mode can be used to recover the starch.

[0004] Therefore, we propose to design a feeding dust collector for starch recovery. CONTENT OF THE UTILITY MODEL

[0005] The purpose of this part is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this part and the abstract of the specification and the utility model name to avoid obscuring the purpose of this part, the abstract of the specification and the utility model name, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0006] To solve the above technical problems, according to one aspect of the utility model, the utility model provides the following technical scheme:

[0007] A feeding dust collector for starch recovery, including water film dust catcher, the water film dust catcher top is provided with fan, the water film dust catcher top is fixedly connected with radar liquid level meter, the water film dust catcher outer wall one side close to the bottom is fixedly connected with feeding air pipe, the feeding air pipe top is provided with the water replenishing pipe that water film dust catcher is connected, the water film dust catcher bottom is provided with drainage pipe, one side in the middle of drainage pipe is provided with starch milk recovery pipe, the starch milk recovery pipe bottom is provided with recovery tank, the other side of drainage pipe is provided with centrifugal pump, the water replenishing pipe middle part is provided with first pneumatic butterfly valve, one end close to centrifugal pump of drainage pipe is provided with second pneumatic butterfly valve, the middle part of starch milk recovery pipe is provided with third pneumatic butterfly valve.

[0008] As a preferred scheme of the utility model discloses a kind of for starch recovery's feeding dust collector, wherein, the water film dust collector top center is equipped with exhaust pipe, the exhaust pipe is connected with the air extraction end of fan, by fan, it is convenient to extract and discharge the dust except starch.

[0009] As a preferred scheme of the utility model discloses a kind of for starch recovery's feeding dust collector, wherein, the probe of radar liquid level meter is through water film dust collector top and extends to water film dust collector interior, it is convenient to measure the liquid level height in water film dust collector, it is convenient to control the water inlet and outlet in dust collector interior.

[0010] As a preferred scheme of the utility model discloses a kind of for starch recovery's feeding dust collector, wherein, the water replenishing pipe is connected with external clean water source, it is convenient to supply clean water source into dust collector, to ensure the dissolution absorption of starch in dust.

[0011] As a preferred scheme of the utility model discloses a kind of for starch recovery's feeding dust collector, wherein, the water extraction end of centrifugal pump is connected with the bottom end of liquid discharge pipe, the water discharge end of centrifugal pump is through water film dust collector and is connected with its interior near top, by centrifugal pump, it is convenient to extract the water in water film dust collector, and it is recycled into by its top, it is convenient to flush water film dust collector.

[0012] As a preferred scheme of the utility model discloses a kind of for starch recovery's feeding dust collector, wherein, the water film dust collector outer wall one side is equipped with liquid level high report indicator lamp and liquid level low report indicator lamp corresponding with radar liquid level meter, so that staff can intuitively control the liquid surface position in water film dust collector, the radar liquid level meter is electrically connected with first pneumatic butterfly valve, second pneumatic butterfly valve and third pneumatic butterfly valve, when radar liquid level meter measures the page height to reach preset height threshold value, it is convenient to the collaborative start-stop between first pneumatic butterfly valve, second pneumatic butterfly valve and third pneumatic butterfly valve, to facilitate the discharge of starch milk in water film dust collector and water replacement.

[0013] Compared with prior art, the utility model has the beneficial effect that:

[0014] The utility model discloses water film dust collector, centrifugal pump, butterfly valve and the mutual cooperation between relevant pipeline, realize the purpose of no blocking powder of dust collector, reduce the equipment blocking risk, do not need staff to knock in dust area regularly, not only reduce the work intensity of staff, guarantee the effective operation of equipment simultaneously, reduce the security risk, adopt water film dust collector to wash dust with water, and drain water and flush material regularly, can satisfy the need of starch recovery. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the present application will be described in detail below with reference to the drawings and detailed embodiments. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor. Among them:

[0016] Figure 1 The structure diagram of the present application is a kind of feeding dust collector for starch recovery.

[0017] Legend: 1, water film dust collector;2, fan;3, radar liquid level meter;4, high liquid level alarm indicator;5, low liquid level alarm indicator;6, feeding air pipe;7, water replenishing pipe;8, liquid discharge pipe;9, starch milk recovery pipe;10, recovery tank;11, centrifugal pump;12, first pneumatic butterfly valve;13, second pneumatic butterfly valve;14, third pneumatic butterfly valve. DETAILED DESCRIPTION

[0018] In order to make the above-mentioned purposes, features and advantages of the present application more apparent, specific embodiments of the present application will be described in detail below with reference to the drawings.

[0019] Secondly, the present application is described in detail in conjunction with the schematic diagram, in order to facilitate the description, the cross-sectional view of the device structure will be partially enlarged without general proportion, and the schematic diagram is only an example, which should not limit the scope of the present application. In addition, three-dimensional spatial dimensions including length, width and depth should be included in actual production.

[0020] In order to make the purposes, technical schemes and advantages of the present application more clear, the embodiments of the present application will be described in further detail below with reference to the drawings.

[0021] Please refer to Figure 1 The present application provides a kind of feeding dust collector for starch recovery, including water film dust collector 1, water film dust collector 1 top is provided with fan 2, water film dust collector 1 top center is provided with exhaust pipe, exhaust pipe and the suction end of fan 2 are connected, by fan 2, it is convenient to extract and discharge the dust except starch.

[0022] Radar liquid level meter 3 is fixedly connected to the top of water film dust collector 1, the probe of radar liquid level meter 3 penetrates the top of water film dust collector 1 and extends to the inside of water film dust collector 1, to facilitate the determination of the liquid level height in water film dust collector 1, to facilitate the control of water inlet and outlet in the dust collector.

[0023] The water film dust collector 1 is fixedly connected with a feeding air pipe 6 at one side of the outer wall near the bottom, and the feeding air pipe 6 is provided with a water supplement pipe 7 connected with the water film dust collector 1, and the water supplement pipe 7 is connected with an external clean water source, so that the clean water source can be supplied into the dust collector, to ensure the dissolution and absorption of the starch in the dust.

[0024] The water film dust collector 1 is provided with a liquid discharge pipe 8, and the middle side of the liquid discharge pipe 8 is provided with a starch milk recovery pipe 9, and the bottom end of the starch milk recovery pipe 9 is provided with a recovery tank 10, and the other side of the liquid discharge pipe 8 is provided with a centrifugal pump 11.

[0025] In this embodiment, the water suction end of the centrifugal pump 11 is connected with the bottom end of the liquid discharge pipe 8, and the water discharge end of the centrifugal pump 11 penetrates the water film dust collector 1 near the top and is connected with the inside of the water film dust collector 1, so that the water in the water film dust collector 1 can be pumped out through the centrifugal pump 11 and then recycled into the top, to facilitate the flushing of the water film dust collector 1.

[0026] The middle of the water supplement pipe 7 is provided with a first pneumatic butterfly valve 12, one end of the liquid discharge pipe 8 near the centrifugal pump 11 is provided with a second pneumatic butterfly valve 13, and the middle of the starch milk recovery pipe 9 is provided with a third pneumatic butterfly valve 14.

[0027] In this embodiment, the water film dust collector 1 is provided with a liquid level high alarm indicator 4 and a liquid level low alarm indicator 5 corresponding to the radar liquid level meter 3 at one side of the outer wall, so that the staff can intuitively control the liquid surface position in the water film dust collector 1, and the radar liquid level meter 3 is electrically connected with the first pneumatic butterfly valve 12, the second pneumatic butterfly valve 13 and the third pneumatic butterfly valve 14, so that when the radar liquid level meter 3 measures the page height to reach the preset height threshold, the first pneumatic butterfly valve 12, the second pneumatic butterfly valve 13 and the third pneumatic butterfly valve 14 can be started and stopped in cooperation, to facilitate the discharge of the starch milk and the replacement of the water in the water film dust collector 1.

[0028] In use, the first pneumatic butterfly valve 12 is opened, sufficient water is poured into the water film dust collector 1 through the water supplement pipe 7, and the dust generated during feeding is introduced into the water film dust collector 1 through the feeding air pipe 6, and after the starch enters the water, it is dissolved in the water to form a milky suspension, i.e. starch milk, and the starch can be recovered by centrifugation or the like, and other dust is extracted out of the water film dust collector 1 by the fan 2.

[0029] When the starch milk is recovered, the third pneumatic butterfly valve 14 is opened, the second pneumatic butterfly valve 13 allows the starch milk to enter the recovery tank 10, and as the starch milk is discharged, the radar liquid level meter 3 detects the drop of the liquid surface in real time, and when the liquid surface drops to the lowest threshold, the third pneumatic butterfly valve 14 is closed, the liquid level low alarm indicator 5 is lit, and the discharge of the starch milk is stopped.

[0030] Subsequently, the first pneumatic butterfly valve 12 is opened, clean water is introduced into the water film dust collector 1 through the water supplement pipe 7, the radar liquid level meter 3 detects the rising of the liquid level in real time, when the highest threshold is reached, the liquid level high indication light 4 is lighted, the first pneumatic butterfly valve 12 is closed, at this time, the feeding and dust removal can be continued.

[0031] After a period of use, the centrifugal pump 11 can be started regularly to pump out the water in the water film dust collector 1, and the water is recycled into the dust collector to flush the inside of the dust collector. When flushing, the first pneumatic butterfly valve 12 and the third pneumatic butterfly valve 14 are closed, and the second pneumatic butterfly valve 13 is opened, so as to facilitate the water circulation.

[0032] In the embodiment, the first pneumatic butterfly valve 12, the second pneumatic butterfly valve 13 and the third pneumatic butterfly valve 14 are all driven by pneumatic devices such as air cylinders, and the cooperative work between the radar liquid level meter 3 and the pneumatic devices can be realized through external PLC programming, which is the prior art and will not be described here.

[0033] Although the utility model has been described above with reference to the embodiments, various improvements can be made and equivalent parts can be replaced without departing from the scope of the utility model. In particular, as long as there is no structural conflict, the features in the disclosed embodiments of the utility model can be combined in any way, and the combinations are not described in the specification due to the consideration of saving space and resources. Therefore, the utility model is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A feeding dust collector for starch recovery, comprising a water film dust collector (1), characterized in that, A fan (2) is installed on the top of the water film dust collector (1). A radar level gauge (3) is fixedly connected to the top of the water film dust collector (1). A feeding air pipe (6) is fixedly connected to one side of the outer wall of the water film dust collector (1) near the bottom. A water supply pipe (7) connected to the water film dust collector (1) is installed on the top of the feeding air pipe (6). A drain pipe (8) is installed at the bottom of the water film dust collector (1). A starch milk recovery pipe (9) is installed on one side of the middle of the drain pipe (8). A recovery tank (10) is installed at the bottom of the starch milk recovery pipe (9). A centrifugal pump (11) is installed on the other side of the drain pipe (8). A first pneumatic butterfly valve (12) is installed in the middle of the water supply pipe (7). A second pneumatic butterfly valve (13) is installed at the end of the drain pipe (8) near the centrifugal pump (11). A third pneumatic butterfly valve (14) is installed in the middle of the starch milk recovery pipe (9).

2. The feeding dust collector for starch recovery according to claim 1, characterized in that, The water film dust collector (1) has an exhaust pipe at the center of its top, and the exhaust pipe is connected to the air extraction end of the fan (2).

3. The feeding dust collector for starch recovery according to claim 1, characterized in that, The probe of the radar level gauge (3) penetrates the top of the water film dust collector (1) and extends into the interior of the water film dust collector (1).

4. The feeding dust collector for starch recovery according to claim 1, characterized in that, The water supply pipe (7) is connected to an external clean water source.

5. A feeding dust collector for starch recovery according to claim 1, characterized in that, The centrifugal pump (11) draws water and is connected to the bottom of the drain pipe (8). The centrifugal pump (11) drains water through the water film dust collector (1) near the top and is connected to its interior.

6. A feeding dust collector for starch recovery according to claim 1, characterized in that, The water film dust collector (1) has a high level indicator light (4) and a low level indicator light (5) corresponding to the radar level gauge (3) on one side of its outer wall. The radar level gauge (3) is electrically connected to the first pneumatic butterfly valve (12), the second pneumatic butterfly valve (13) and the third pneumatic butterfly valve (14).

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