CN214106250U - Damaged detecting system of filter equipment for boiling granulation desiccator - Google Patents
Damaged detecting system of filter equipment for boiling granulation desiccator Download PDFInfo
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- CN214106250U CN214106250U CN202022446090.0U CN202022446090U CN214106250U CN 214106250 U CN214106250 U CN 214106250U CN 202022446090 U CN202022446090 U CN 202022446090U CN 214106250 U CN214106250 U CN 214106250U
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Abstract
The utility model provides a damaged detecting system of filter equipment for boiling granulation desiccator, include: the exhaust pipe, flow velocity measurement device, controlling means and alarm device, the exhaust pipe sets up in boiling pelletization desiccator filter equipment's air outlet, flow velocity measurement device includes the pitot tube, differential pressure type wind speed measurement mechanism and blowback mechanism, the pressure sample mouth of pitot tube is located the exhaust pipe, pitot tube and differential pressure type wind speed measurement mechanism are connected, blowback mechanism includes the air pump, the air pump passes through the pipeline intercommunication with the total pressure pipe and the static pressure pipe of pitot tube respectively, all be equipped with the solenoid valve on the pipeline between air pump and the total pressure pipe and between air pump and the static pressure pipe, differential pressure type wind speed measurement mechanism and controlling means signal connection, controlling means is connected with solenoid valve and alarm device control respectively. The utility model discloses can acquire the damaged condition of filter equipment fast, reduce cost of maintenance.
Description
Technical Field
The utility model relates to a pharmacy technical field, concretely relates to damaged detecting system of filter equipment for boiling granulation desiccator.
Background
The boiling granulating drier is a drying granulating device with wide application, and is mainly applied to various fields of pharmacy, food, feed, pigment, chemical industry and the like. In the granulation process of the boiling granulation dryer, air with dust which is not contacted with the adhesive is discharged after the dust is filtered by the filter cloth bag of the boiling granulation dryer, but the filter cloth bag is easy to damage to cause the material leakage phenomenon and is not easy to be perceived, and the dust leakage causes economic loss when polluting the environment.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem that the background art exists, the utility model provides a damaged detecting system of filter equipment for boiling granulation desiccator.
The utility model provides a pair of damaged detecting system of filter equipment for boiling granulation desiccator, include: the device comprises an exhaust pipe, a flow velocity measuring device, a control device and an alarm device;
the exhaust pipe is arranged at the air outlet of the filtering device of the boiling granulation dryer;
the flow velocity measuring device comprises a pitot tube, a differential pressure type wind velocity measuring mechanism and a back flushing mechanism;
the pressure sampling port of the pitot tube is positioned in the air exhaust pipe, and the pitot tube is connected with the differential pressure type wind speed measuring mechanism;
the back blowing mechanism comprises an air pump, the air pump is respectively communicated with a full-pressure pipe and a static pressure pipe of the pitot tube through pipelines, a first electromagnetic valve is arranged on the pipeline between the air pump and the full-pressure pipe, and a second electromagnetic valve is arranged on the pipeline between the air pump and the static pressure pipe;
the differential pressure type wind speed measuring mechanism is in signal connection with a control device, and the control device is respectively in control connection with the first electromagnetic valve, the second electromagnetic valve and the alarm device.
Preferably, a third electromagnetic valve is arranged between the total pressure pipe and the differential pressure type wind speed measuring mechanism, a fourth electromagnetic valve is arranged between the static pressure pipe and the differential pressure type wind speed measuring mechanism, and the control device is connected with the third electromagnetic valve and the fourth electromagnetic valve in a control mode respectively.
Preferably, the air conditioner further comprises a first exhaust branch pipe, a second exhaust branch pipe, a standby filtering device and a pipeline switching device;
the pipeline switching device comprises a connecting pipe, a connecting seat and a driving mechanism, wherein a first exhaust through hole and a second exhaust through hole are formed in the connecting seat, the first exhaust through hole is communicated with a first exhaust branch pipe, the second exhaust through hole is communicated with a second exhaust branch pipe, and the standby filtering device is arranged on the second exhaust branch pipe;
the connecting pipe is provided with a fixed end and a movable end, the fixed end is communicated with the tail end of the exhaust pipe, the movable end is provided with a first working position and a second working position, and the driving mechanism is in driving connection with the movable end so as to enable the movable end to be switched between the first working position and the second working position;
when the movable end is positioned at the first working position, the movable end is communicated with the first exhaust through hole;
when the movable end is at the second working position, the movable end is communicated with the second air exhaust through hole.
Preferably, the connecting seat is provided with a guide groove, the end face of the movable end is in sliding connection with the bottom wall of the guide groove, the first air exhaust through hole and the second air exhaust through hole are formed in the bottom wall of the guide groove, and the driving mechanism drives the movable end to slide along the guide groove.
Preferably, the end surface of the movable end is connected with the bottom wall of the guide groove in a sliding and sealing mode.
Preferably, the driving mechanism is a lead screw linear driving mechanism or a cylinder driving mechanism or a hydraulic driving mechanism.
The utility model discloses in, controlling means obtains the fluid velocity of flow through velocity of flow measuring device to control alarm device and carry out corresponding action according to fluid velocity of flow and default, when the fluid velocity of flow is greater than the default, controlling means control alarm device and report to the police, be favorable to the staff in time to make the processing; and when the pitot tube is blocked or the filter bag or the filter screen is seriously blocked, the control device is utilized to control the air pump, the first electromagnetic valve and the second electromagnetic valve to be opened so as to carry out back flushing on the total pressure pipe or/and the static pressure pipe of the pitot tube or even the filter bag or the filter screen, so that the replacement frequency of the pitot tube or the filter bag or the filter screen can be effectively reduced, the service life of the pitot tube or the filter bag or the filter screen is prolonged, and the maintenance cost is reduced.
Drawings
Fig. 1 is the utility model provides a damaged detecting system's of filter equipment for boiling granulation desiccator structural schematic diagram.
Description of reference numerals:
1-exhaust pipe 2-pitot tube 3-first exhaust branch pipe 4-second exhaust branch pipe
5-connecting seat 6-connecting pipe 7-driving mechanism
Detailed Description
Referring to fig. 1, the utility model provides a damaged detecting system of filter equipment for boiling granulation desiccator, include:
the device comprises an exhaust pipe 1, a flow velocity measuring device, a control device and an alarm device;
the exhaust pipe 1 is arranged at the air outlet of the filtering device of the boiling granulation dryer;
the flow velocity measuring device comprises a pitot tube 2, a differential pressure type wind velocity measuring mechanism and a back flushing mechanism;
the pressure sampling port of the pitot tube 2 is positioned in the exhaust pipe 1, and the pitot tube 2 is connected with the differential pressure type wind speed measuring mechanism;
the back blowing mechanism comprises an air pump, the air pump is respectively communicated with a full-pressure pipe and a static pressure pipe of the pitot tube 2 through pipelines, a first electromagnetic valve is arranged on the pipeline between the air pump and the full-pressure pipe, and a second electromagnetic valve is arranged on the pipeline between the air pump and the static pressure pipe;
the differential pressure type wind speed measuring mechanism is in signal connection with a control device, and the control device is respectively in control connection with the first electromagnetic valve, the second electromagnetic valve and the alarm device.
The utility model discloses in, the filter bag or the filter screen among the boiling granulation desiccator filter equipment can produce filtration resistance to the fluid through it, make the fluid velocity of flow descend, when crossing filter bag or filter screen damage, filtration resistance weakens or disappears, and the fluid velocity of flow can rise, consequently, can in time learn the damage condition and the jam condition of crossing filter bag or filter screen through the fluid velocity of flow measuring device measuring. The utility model discloses well controlling means obtains the fluid velocity of flow through velocity of flow measuring device to carry out corresponding action according to fluid velocity of flow and default control alarm device, when the fluid velocity of flow is greater than the default, controlling means control alarm device reports to the police, is favorable to the staff in time to make the processing; and when the pitot tube 2 is blocked or the filter bag or the filter screen is seriously blocked, the control device is utilized to control the air pump, the first electromagnetic valve and the second electromagnetic valve to be opened so as to carry out back flushing on the total pressure pipe and/or the static pressure pipe of the pitot tube 2 or even the filter bag or the filter screen, the replacement frequency of the pitot tube 2 or the filter bag or the filter screen is reduced, the service life of the pitot tube 2 or the filter bag or the filter screen is prolonged, and the maintenance cost is reduced.
In order to facilitate the use, in this embodiment, the wind speed measuring device further includes a box, and the differential pressure type wind speed measuring mechanism and the blowback mechanism are both disposed in the box.
In order to avoid the reverse blowing of the reverse blowing mechanism from affecting the differential pressure type wind speed measuring mechanism, in this embodiment, a third electromagnetic valve is arranged between the total pressure pipe and the differential pressure type wind speed measuring mechanism, a fourth electromagnetic valve is arranged between the static pressure pipe and the differential pressure type wind speed measuring mechanism, and the control device is respectively in control connection with the third electromagnetic valve and the fourth electromagnetic valve.
In order to further reduce dust leakage and thus reduce environmental pollution and cost, in the present embodiment, the air conditioner further includes a first exhaust branch pipe 3, a second exhaust branch pipe 4, a spare filtering device and a pipeline switching device;
the pipeline switching device comprises a connecting pipe 6, a connecting seat 5 and a driving mechanism 7, wherein a first exhaust through hole and a second exhaust through hole are formed in the connecting seat 5, the first exhaust through hole is communicated with the first exhaust branch pipe 3, the second exhaust through hole is communicated with the second exhaust branch pipe 4, and the standby filtering device is arranged on the second exhaust branch pipe 4;
the connecting pipe 6 is provided with a fixed end and a movable end, the fixed end is communicated with the tail end of the exhaust pipe 1, the movable end is provided with a first working position and a second working position, and the driving mechanism 7 is in driving connection with the movable end so as to enable the movable end to be switched between the first working position and the second working position;
when the movable end is positioned at the first working position, the movable end is communicated with the first exhaust through hole;
when the movable end is at the second working position, the movable end is communicated with the second air exhaust through hole.
When the filter bag or the filter screen among the boiling pelletization desiccator filter equipment is damaged, filtering resistance disappears, the fluid velocity of flow grow, when the fluid velocity of flow is higher than the default, controlling means control actuating mechanism 7 work makes actuating mechanism 7 drive movable end switch into the second operating position by first operating position, make movable end and second exhaust through-hole intercommunication, the fluid is discharged after filtering in getting into second exhaust branch 4 and then getting into filter equipment by exhaust pipe 1, can effectively avoid revealing of dust, the fail safe nature of production is improved, simultaneously, economic loss can be effectively reduced.
In order to facilitate the switching of the working position of the movable end, in the embodiment, the connecting seat 5 is provided with a guide groove, the end surface of the movable end is connected with the bottom wall of the guide groove in a sliding manner, the first air exhaust through hole and the second air exhaust through hole are formed in the bottom wall of the guide groove, and the driving mechanism 7 drives the movable end to slide along the guide groove.
In order to further avoid or reduce leakage caused in the process of switching the working position of the movable end, in the present embodiment, the end surface of the movable end is in sliding sealing connection with the bottom wall of the guide groove.
In order to facilitate the driving of the movable end to switch the operating position, in the present embodiment, the driving mechanism 7 is a screw linear driving mechanism, an air cylinder driving mechanism, or a hydraulic driving mechanism.
Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a damaged detecting system of filter equipment for boiling granulation desiccator which characterized in that includes: the device comprises an exhaust pipe (1), a flow velocity measuring device, a control device and an alarm device;
the exhaust pipe (1) is arranged at the air outlet of the filtering device of the boiling granulation dryer;
the flow velocity measuring device comprises a pitot tube (2), a differential pressure type wind velocity measuring mechanism and a back flushing mechanism;
the pressure sampling port of the pitot tube (2) is positioned in the exhaust pipe (1), and the pitot tube (2) is connected with the differential pressure type wind speed measuring mechanism;
the back blowing mechanism comprises an air pump, the air pump is respectively communicated with a full-pressure pipe and a static pressure pipe of the pitot tube (2) through pipelines, a first electromagnetic valve is arranged on the pipeline between the air pump and the full-pressure pipe, and a second electromagnetic valve is arranged on the pipeline between the air pump and the static pressure pipe;
the differential pressure type wind speed measuring mechanism is in signal connection with a control device, and the control device is respectively in control connection with the first electromagnetic valve, the second electromagnetic valve and the alarm device.
2. The system for detecting damage to a filter unit of a boiling granulator dryer according to claim 1, wherein a third solenoid valve is disposed between the total pressure pipe and the differential pressure type wind speed measuring mechanism, a fourth solenoid valve is disposed between the static pressure pipe and the differential pressure type wind speed measuring mechanism, and the control device is connected to the third solenoid valve and the fourth solenoid valve respectively.
3. The breakage detection system for the filter device of the boiling granulating dryer according to claim 1 or 2, further comprising a first exhaust branch pipe (3), a second exhaust branch pipe (4), a spare filter device and a pipeline switching device;
the pipeline switching device comprises a connecting pipe (6), a connecting seat (5) and a driving mechanism (7), wherein a first exhaust through hole and a second exhaust through hole are formed in the connecting seat (5), the first exhaust through hole is communicated with the first exhaust branch pipe (3), the second exhaust through hole is communicated with the second exhaust branch pipe (4), and the standby filtering device is arranged on the second exhaust branch pipe (4);
the connecting pipe (6) is provided with a fixed end and a movable end, the fixed end is communicated with the tail end of the exhaust pipe (1), the movable end is provided with a first working position and a second working position, and the driving mechanism (7) is in driving connection with the movable end so as to enable the movable end to be switched between the first working position and the second working position;
when the movable end is positioned at the first working position, the movable end is communicated with the first exhaust through hole;
when the movable end is at the second working position, the movable end is communicated with the second air exhaust through hole.
4. The breakage detecting system for a filter unit of a boiling granulating dryer as claimed in claim 3, wherein the connecting base (5) is formed with a guide groove, the end face of the movable end is slidably connected to the bottom wall of the guide groove, the first and second air exhaust through holes are formed in the bottom wall of the guide groove, and the driving mechanism (7) drives the movable end to slide along the guide groove.
5. The system for detecting damage to a filter unit of an ebullient granulator dryer according to claim 4 wherein the end surface of the movable end is slidably and sealingly connected to the bottom wall of the guide groove.
6. The breakage detection system for a filter device of an ebullient granulator dryer according to claim 3, wherein the driving mechanism (7) is a screw linear driving mechanism or a cylinder driving mechanism or a hydraulic driving mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022446090.0U CN214106250U (en) | 2020-10-27 | 2020-10-27 | Damaged detecting system of filter equipment for boiling granulation desiccator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022446090.0U CN214106250U (en) | 2020-10-27 | 2020-10-27 | Damaged detecting system of filter equipment for boiling granulation desiccator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214106250U true CN214106250U (en) | 2021-09-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022446090.0U Active CN214106250U (en) | 2020-10-27 | 2020-10-27 | Damaged detecting system of filter equipment for boiling granulation desiccator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214106250U (en) |
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2020
- 2020-10-27 CN CN202022446090.0U patent/CN214106250U/en active Active
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