CN213286541U - Safe explosion-proof type single-cone spiral ribbon vacuum drying machine - Google Patents
Safe explosion-proof type single-cone spiral ribbon vacuum drying machine Download PDFInfo
- Publication number
- CN213286541U CN213286541U CN202021267331.9U CN202021267331U CN213286541U CN 213286541 U CN213286541 U CN 213286541U CN 202021267331 U CN202021267331 U CN 202021267331U CN 213286541 U CN213286541 U CN 213286541U
- Authority
- CN
- China
- Prior art keywords
- kettle body
- pipe
- filter
- exhaust pipe
- communicated
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Drying Of Solid Materials (AREA)
Abstract
A safe explosion-proof single-cone spiral belt vacuum drier is provided, the number of filters is at least two, the filters are arranged on the top surface of a kettle body, and each filter comprises a filter shell, a filter screen, an outlet pipe, a back flushing pipe and nitrogen bubbles; the branch exhaust pipes are arranged at the top end of each filter; the pneumatic butterfly valve is arranged on each branch exhaust pipe; the branch exhaust pipe is communicated with the main exhaust pipe through a tee joint. The utility model prevents the filter screen from being blocked due to dust accumulation, causes the pressure and temperature values in the kettle to rise, prevents potential safety hazards such as explosion and the like, and improves the safety of the device; meanwhile, the filtering and cleaning processes are realized, and the filtering effect is strong.
Description
Technical Field
The utility model relates to a desiccator field, especially a safe explosion-proof type list awl spiral shell area vacuum drying machine.
Background
The dryer is a mechanical device for reducing moisture of materials by using heat energy, and is used for drying objects. The dryer vaporizes moisture (typically moisture or other volatile liquid components) in the material by heating to escape to obtain a solid material of a specified moisture content. The purpose of drying is for material use or further processing requirements. The dryers are classified into normal pressure dryers and vacuum dryers according to the operating pressure. The vacuum drier is specially designed for drying heat-sensitive, easily decomposed and easily oxidized substances, and can fill inert gas into the vacuum drier, and particularly, articles with complex components can be quickly dried. The single-cone spiral ribbon vacuum drier is a form of the vacuum drier, is derived from a cone-shaped mixing machine, introduces a drying function on the original single mixing function, and can stir materials while drying the materials by setting a heating jacket on the outer side wall of a cone-shaped cylinder, so that the effect of one machine and two functions is realized. In the existing spiral ribbon vacuum dryer, when the single-cone spiral ribbon vacuum dryer is always in a running state, nitrogen or compressed air is in a circulating state and is filtered by the filter, dust in the stirring kettle is accumulated on the wall surface of a filter screen of the filter, so that the filter screen is blocked, air flow in the stirring kettle is blocked to be normally discharged, the filtering effect of the filter is influenced, and the dust accumulated on the filter screen cannot be cleaned; meanwhile, the filter is blocked to reduce the flow rate and the flow velocity of the airflow in the stirring kettle, the pressure in the kettle is increased, the temperature is also increased, the explosion result is easily generated in the kettle due to the increase of the pressure and the temperature value, and the safety performance of the spiral belt vacuum dryer is lower.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem of the existence, the utility model discloses a safe explosion-proof type list awl spiral shell area vacuum drying machine, its concrete technical scheme as follows: a safe explosion-proof single-cone spiral belt vacuum dryer comprises a kettle body, a support, a speed reducing motor, a stirring shaft, a spiral belt, a quick-opening feed opening, a discharge opening, a heating jacket, a heat source inlet, a heat source outlet, a sewage discharge opening, a nitrogen charging opening, a discharging ball valve, a fan, a filter, a branch exhaust pipe, a main exhaust pipe and a pneumatic butterfly valve;
the bracket is arranged at the top end of the kettle body; the speed reducing motor is fixed at the top end of the kettle body through a bracket; the stirring shaft is arranged in the kettle body and is driven to rotate by the speed reducing motor; the spiral belt is circumferentially arranged on the side wall of the stirring shaft; the quick-opening feeding port is arranged on one side of the top surface of the kettle body; the discharge hole is formed in the bottom end face of the kettle body; the heating jacket is arranged on the inner side wall of the kettle body; the heat source inlet is arranged at the middle end of the outer wall of the kettle body and is communicated with the heating jacket; the heat source outlet is arranged at the top end of the outer wall of the kettle body and is communicated with the heating jacket; the sewage draining outlet is arranged at the bottom end of the outer wall of the kettle body and is communicated with the heating jacket; the nitrogen charging port is arranged at the bottom end of the kettle body; the discharging ball valve is arranged at the bottom end of the discharging hole; the air shutter is arranged at the bottom end of the blanking ball valve;
the number of the filters is at least two, the filters are arranged on the top surface of the kettle body, each filter comprises a filter shell, a filter screen, an outlet pipe, a back flushing pipe and nitrogen bubbles, and the filter shells are fixed on the top surface of the kettle body and are communicated with the kettle body; the filter screen is arranged in the filter shell and is fixedly arranged with the inner top surface of the filter shell; the outlet pipe is fixedly arranged at the top end of the filter shell and is communicated with the filter shell; the back flushing pipe is fixedly arranged on one side of the top surface of the filter shell, and the bottom end of the back flushing pipe extends into the filter screen; the nitrogen bubbles are arranged at the top end of the back flushing pipe and fixedly communicated with the back flushing pipe; the branch exhaust pipes are arranged at the top end of each filter, and the end face of each branch exhaust pipe is connected with the outlet pipe in a flange mode through a flange; the pneumatic butterfly valve is arranged on each branch exhaust pipe and communicated with the branch exhaust pipes through flanges; the branch exhaust pipe is communicated with the main exhaust pipe through a tee joint.
Furthermore, each filter is arranged on the side edge of the top surface of the kettle body and is arranged oppositely.
Further, the filter screen is cylindrical structure, the lateral wall circumference of filter screen is the fretwork form.
Furthermore, the pipe diameter of blowback pipe is far less than the pipe diameter of outlet pipe, the blowback pipe is "L" shape structure of falling, the bottom of blowback pipe stretch into and laminate in the interior bottom surface of filter screen.
Furthermore, the main exhaust pipe is vertically arranged, and the main exhaust pipe and the branch exhaust pipe are vertically arranged; the pipe diameter of the main exhaust pipe is larger than that of each branch exhaust pipe.
Furthermore, each nitrogen bubble is electrically connected with an external controller through a lead.
Furthermore, each pneumatic butterfly valve is electrically connected with an external controller through a wire.
The utility model discloses a filter principle is:
when the kettle body is provided with two groups of filter structures; the bottom end of the kettle body is inflated into the kettle body from the nitrogen inflation port, the controller controls the first group of pneumatic butterfly valves to be in an open state, the controller controls the second group of pneumatic butterfly valves to be in a closed state, the first group of filters connected with the first group of pneumatic butterfly valves are in an open state, nitrogen in the kettle body enters the filter shell and is discharged from the outlet pipe through the filtering action of the filter screen, the filtered nitrogen enters the main exhaust pipe through the branch exhaust pipe and is pumped out, and the controller controls nitrogen bubbles connected with the first group of filters to be in a stop state; meanwhile, a second group of filters connected with a second group of pneumatic butterfly valves are in a closed state, the controller controls nitrogen bubbles connected with the second group of filters to be in a starting state, the nitrogen bubbles fill nitrogen into the filter screen, the nitrogen flows reversely from the hole grooves of the filter screen, and the filter screen of the second group of filters is subjected to reverse blowing; after a few seconds, the controller controls the first group of pneumatic butterfly valves to be in a closed state in a switching mode, the controller controls the second group of pneumatic butterfly valves to be in an open state in a switching mode, the second group of filters connected with the second group of pneumatic butterfly valves are in an open state, nitrogen in the kettle body enters the main exhaust pipe through the filtering effect of the second group of filters and is extracted from the branch exhaust pipe, and nitrogen bubbles connected with the second group of filters are controlled to be in a stop state in a switching mode by the controller; meanwhile, a first group of filters connected with the first group of pneumatic butterfly valves are in a closed state, the controller controls the nitrogen bubbles connected with the first group of filters to be in a starting state in a switching mode, the nitrogen bubbles fill nitrogen into the filter screens, the nitrogen flows reversely from the hole grooves of the filter screens, and the filter screens of the first group of filters are subjected to reverse blowing. And the controller is used for periodically starting and stopping the pneumatic butterfly valve and the nitrogen bubbles.
The utility model has the advantages that:
the utility model discloses improve traditional spiral shell area vacuum drying machine structure, be two filter structures at least by single filter structure change, and to every filter structure supporting be provided with the nitrogen gas bubble, a plurality of filters pass through the blast pipe and are connected with a vacuum pumping mouth department, when controlling a pneumatic butterfly valve and be in the state of opening, the filter that communicates with it is in the filtration state, all the other filters carry out reverse blowing state to the filter screen through the nitrogen gas bubble, through a plurality of filters, the periodic cycle of nitrogen gas bubble is opened and closed, can use a plurality of filter structures in turn to filter in proper order, and sweep all the other filters that stop work in proper order in turn, prevent that the dust from piling up and causing the filter screen to block up, cause cauldron internal pressure and temperature value to rise, prevent to produce potential safety hazards such as explosion, the security of device has been improved; meanwhile, the device can be always arranged under the working device, the filtering and cleaning processes are realized, the smooth degree of the use of the device is high, the filter screen is always in a better filtering state, and the filtering effect is strong.
Drawings
Fig. 1 is a schematic overall sectional structure of the present invention.
Fig. 2 is a schematic top view of the present invention.
Fig. 3 is a schematic cross-sectional view of the assembly of the single filter and the kettle body of the present invention.
List of reference numerals:
the device comprises a kettle body 1, a support 2, a speed reducing motor 3, a stirring shaft 4, a spiral belt 5, a quick-opening feeding port 6, a discharging port 7, a heating jacket 8, a heat source inlet 9, a heat source outlet 10, a sewage discharging port 11, a nitrogen charging port 12, a discharging ball valve 13, a wind closing machine 14, a filter 15, a filter shell 15-1, a filter screen 15-2, an outlet pipe 15-3, a back flushing pipe 15-4, an air bag 15-5, a branch exhaust pipe 16, a main exhaust pipe 17 and a pneumatic butterfly valve 18.
Detailed Description
For making the technical scheme of the utility model clear more clearly and definitely, it is right to combine the drawing below the utility model discloses further describe, any is right the utility model discloses technical scheme's technical characteristic carries out the scheme that equivalent replacement and conventional reasoning reachs and all falls into the utility model discloses protection scope. The fixed connection, the fixed arrangement and the fixed structure mentioned in the embodiment are known technologies known to those skilled in the art, such as gluing, welding, screwing, bolt-nut connection, riveting and the like.
The nitrogen bubbles mentioned in this embodiment are aerating devices, and are products that can be purchased directly in the existing market, and the air inlet end of the nitrogen bubbles is connected with an external nitrogen pipeline.
The attached drawing shows that the safe explosion-proof single-cone spiral belt vacuum dryer comprises a kettle body, a support, a speed reducing motor, a stirring shaft, a spiral belt, a quick-opening feed inlet, a discharge outlet, a heating jacket, a heat source inlet, a heat source outlet, a sewage discharge outlet, a nitrogen charging air port, a discharging ball valve, a fan, a filter, a branch exhaust pipe, a main exhaust pipe and a pneumatic butterfly valve;
the bracket is arranged at the top end of the kettle body; the speed reducing motor is fixed at the top end of the kettle body through a bracket; the stirring shaft is arranged in the kettle body and is driven to rotate by the speed reducing motor; the spiral belt is circumferentially arranged on the side wall of the stirring shaft; the quick-opening feeding port is arranged on one side of the top surface of the kettle body; the discharge hole is formed in the bottom end face of the kettle body; the heating jacket is arranged on the inner side wall of the kettle body; the heat source inlet is arranged at the middle end of the outer wall of the kettle body and is communicated with the heating jacket; the heat source outlet is arranged at the top end of the outer wall of the kettle body and is communicated with the heating jacket; the sewage draining outlet is arranged at the bottom end of the outer wall of the kettle body and is communicated with the heating jacket; the nitrogen charging port is arranged at the bottom end of the kettle body; the discharging ball valve is arranged at the bottom end of the discharging hole; the air shutter is arranged at the bottom end of the blanking ball valve;
the number of the filters is at least two, the filters are arranged on the top surface of the kettle body, each filter comprises a filter shell, a filter screen, an outlet pipe, a back flushing pipe and nitrogen bubbles, and the filter shells are fixed on the top surface of the kettle body and are communicated with the kettle body; the filter screen is arranged in the filter shell and is fixedly arranged with the inner top surface of the filter shell; the outlet pipe is fixedly arranged at the top end of the filter shell and is communicated with the filter shell; the back flushing pipe is fixedly arranged on one side of the top surface of the filter shell, and the bottom end of the back flushing pipe extends into the filter screen; the nitrogen bubbles are arranged at the top end of the back flushing pipe and fixedly communicated with the back flushing pipe; the branch exhaust pipes are arranged at the top end of each filter, and the end face of each branch exhaust pipe is connected with the outlet pipe in a flange mode through a flange; the pneumatic butterfly valve is arranged on each branch exhaust pipe and communicated with the branch exhaust pipes through flanges; the branch exhaust pipe is communicated with the main exhaust pipe through a tee joint.
Furthermore, each filter is arranged on the side edge of the top surface of the kettle body and is arranged oppositely.
Further, the filter screen is cylindrical structure, the lateral wall circumference of filter screen is the fretwork form.
Furthermore, the pipe diameter of blowback pipe is far less than the pipe diameter of outlet pipe, the blowback pipe is "L" shape structure of falling, the bottom of blowback pipe stretch into and laminate in the interior bottom surface of filter screen.
Furthermore, the main exhaust pipe is vertically arranged, and the main exhaust pipe and the branch exhaust pipe are vertically arranged; the pipe diameter of the main exhaust pipe is larger than that of each branch exhaust pipe.
Furthermore, each nitrogen bubble is electrically connected with an external controller through a lead.
Furthermore, each pneumatic butterfly valve is electrically connected with an external controller through a wire.
The utility model discloses a filter principle is:
when the kettle body is provided with two groups of filter structures; the bottom end of the kettle body is inflated into the kettle body from the nitrogen inflation port, the controller controls the first group of pneumatic butterfly valves to be in an open state, the controller controls the second group of pneumatic butterfly valves to be in a closed state, the first group of filters connected with the first group of pneumatic butterfly valves are in an open state, nitrogen in the kettle body enters the filter shell and is discharged from the outlet pipe through the filtering action of the filter screen, the filtered nitrogen enters the main exhaust pipe through the branch exhaust pipe and is pumped out, and the controller controls nitrogen bubbles connected with the first group of filters to be in a stop state; meanwhile, a second group of filters connected with a second group of pneumatic butterfly valves are in a closed state, the controller controls nitrogen bubbles connected with the second group of filters to be in a starting state, the nitrogen bubbles fill nitrogen into the filter screen, the nitrogen flows reversely from the hole grooves of the filter screen, and the filter screen of the second group of filters is subjected to reverse blowing; after a few seconds, the controller controls the first group of pneumatic butterfly valves to be in a closed state in a switching mode, the controller controls the second group of pneumatic butterfly valves to be in an open state in a switching mode, the second group of filters connected with the second group of pneumatic butterfly valves are in an open state, nitrogen in the kettle body enters the main exhaust pipe through the filtering effect of the second group of filters and is extracted from the branch exhaust pipe, and nitrogen bubbles connected with the second group of filters are controlled to be in a stop state in a switching mode by the controller; meanwhile, a first group of filters connected with the first group of pneumatic butterfly valves are in a closed state, the controller controls the nitrogen bubbles connected with the first group of filters to be in a starting state in a switching mode, the nitrogen bubbles fill nitrogen into the filter screens, the nitrogen flows reversely from the hole grooves of the filter screens, and the filter screens of the first group of filters are subjected to reverse blowing. And the controller is used for periodically starting and stopping the pneumatic butterfly valve and the nitrogen bubbles.
The utility model has the advantages that:
the utility model discloses improve traditional spiral shell area vacuum drying machine structure, be two filter structures at least by single filter structure change, and to every filter structure supporting be provided with the nitrogen gas bubble, a plurality of filters pass through the blast pipe and are connected with a vacuum pumping mouth department, when controlling a pneumatic butterfly valve and be in the state of opening, the filter that communicates with it is in the filtration state, all the other filters carry out reverse blowing state to the filter screen through the nitrogen gas bubble, through a plurality of filters, the periodic cycle of nitrogen gas bubble is opened and closed, can use a plurality of filter structures in turn to filter in proper order, and sweep all the other filters that stop work in proper order in turn, prevent that the dust from piling up and causing the filter screen to block up, cause cauldron internal pressure and temperature value to rise, prevent to produce potential safety hazards such as explosion, the security of device has been improved; meanwhile, the device can be always arranged under the working device, the filtering and cleaning processes are realized, the smooth degree of the use of the device is high, the filter screen is always in a better filtering state, and the filtering effect is strong.
Claims (7)
1. A safe explosion-proof single-cone spiral belt vacuum dryer comprises a kettle body, a support, a speed reducing motor, a stirring shaft, a spiral belt, a quick-opening feed opening, a discharge opening, a heating jacket, a heat source inlet, a heat source outlet, a sewage discharge opening, a nitrogen charging opening, a discharging ball valve, a fan, a filter, a branch exhaust pipe, a main exhaust pipe and a pneumatic butterfly valve;
the bracket is arranged at the top end of the kettle body; the speed reducing motor is fixed at the top end of the kettle body through a bracket; the stirring shaft is arranged in the kettle body and is driven to rotate by the speed reducing motor; the spiral belt is circumferentially arranged on the side wall of the stirring shaft; the quick-opening feeding port is arranged on one side of the top surface of the kettle body; the discharge hole is formed in the bottom end face of the kettle body; the heating jacket is arranged on the inner side wall of the kettle body; the heat source inlet is arranged at the middle end of the outer wall of the kettle body and is communicated with the heating jacket; the heat source outlet is arranged at the top end of the outer wall of the kettle body and is communicated with the heating jacket; the sewage draining outlet is arranged at the bottom end of the outer wall of the kettle body and is communicated with the heating jacket; the nitrogen charging port is arranged at the bottom end of the kettle body; the discharging ball valve is arranged at the bottom end of the discharging hole; the air shutter is arranged at the bottom end of the blanking ball valve;
the device is characterized in that the number of the filters is at least two, the filters are arranged on the top surface of the kettle body, each filter comprises a filter shell, a filter screen, an outlet pipe, a back flushing pipe and nitrogen bubbles, and the filter shell is fixed on the top surface of the kettle body and is communicated with the kettle body; the filter screen is arranged in the filter shell and is fixedly arranged with the inner top surface of the filter shell; the outlet pipe is fixedly arranged at the top end of the filter shell and is communicated with the filter shell; the back flushing pipe is fixedly arranged on one side of the top surface of the filter shell, and the bottom end of the back flushing pipe extends into the filter screen; the nitrogen bubbles are arranged at the top end of the back flushing pipe and fixedly communicated with the back flushing pipe; the branch exhaust pipes are arranged at the top end of each filter, and the end face of each branch exhaust pipe is connected with the outlet pipe in a flange mode through a flange; the pneumatic butterfly valve is arranged on each branch exhaust pipe and communicated with the branch exhaust pipes through flanges; the branch exhaust pipe is communicated with the main exhaust pipe through a tee joint.
2. A safety explosion-proof single cone spiral band vacuum drier as claimed in claim 1, wherein each of the filters is disposed on the side of the top surface of the tank body and is disposed oppositely.
3. The safe explosion-proof single-cone spiral band vacuum drier as claimed in claim 1, wherein the filter screen is of a cylindrical structure, and the side wall of the filter screen is hollowed out in the circumferential direction.
4. The safety explosion-proof single-cone spiral belt vacuum dryer according to claim 1, wherein the diameter of the blowback pipe is much smaller than that of the outlet pipe, the blowback pipe is in an inverted "L" shape, and the bottom end of the blowback pipe extends into and is attached to the inner bottom surface of the filter screen.
5. A safety explosion-proof single-cone spiral belt vacuum drier according to claim 1, characterized in that the main exhaust pipe is vertically arranged, and the main exhaust pipe and the branch exhaust pipe are vertically arranged; the pipe diameter of the main exhaust pipe is larger than that of each branch exhaust pipe.
6. A safety explosion-proof single cone spiral band vacuum drier as claimed in claim 1, wherein each of said nitrogen bubbles is electrically connected to an external controller through a wire.
7. A safety explosion-proof single cone spiral band vacuum drier as claimed in claim 1, wherein each pneumatic butterfly valve is electrically connected with an external controller through a wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021267331.9U CN213286541U (en) | 2020-07-01 | 2020-07-01 | Safe explosion-proof type single-cone spiral ribbon vacuum drying machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021267331.9U CN213286541U (en) | 2020-07-01 | 2020-07-01 | Safe explosion-proof type single-cone spiral ribbon vacuum drying machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213286541U true CN213286541U (en) | 2021-05-28 |
Family
ID=76018865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021267331.9U Active CN213286541U (en) | 2020-07-01 | 2020-07-01 | Safe explosion-proof type single-cone spiral ribbon vacuum drying machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213286541U (en) |
-
2020
- 2020-07-01 CN CN202021267331.9U patent/CN213286541U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207401560U (en) | Suitable for the reducing mechanism of textile raw material | |
| CN208810195U (en) | Crushing material mixing all-in-one machine | |
| CN101628260A (en) | Vertical gravity discharging centrifuge | |
| CN213286541U (en) | Safe explosion-proof type single-cone spiral ribbon vacuum drying machine | |
| CN201446016U (en) | Vertical gravity unloading centrifuge | |
| CN107823963A (en) | A kind of gas filter plant | |
| CN107552233A (en) | A kind of rotary river sand selects iron device | |
| CN107377154A (en) | A kind of special vertical breaker | |
| CN109011798B (en) | Centrifugal solid-liquid separator | |
| CN206008867U (en) | A kind of adjustable roll mill apparatus with back-blowing sealing structure of wind speed | |
| CN107514894B (en) | No sieve stream washes formula battery material drier | |
| CN206008868U (en) | A kind of hot air circulation powder selection device with back-blowing sealing structure | |
| CN205948975U (en) | Heated air circulation selection powder device that wind speed adjustable anti -blow is sealed | |
| KR101357756B1 (en) | Cylinder type continuous fluidized bed dryer | |
| CN108645122A (en) | A kind of raw material of industry centrifugation forced air drying device | |
| CN209246519U (en) | A kind of Antisticking type boiling drier with hot air circulation | |
| US3347535A (en) | Gas-liquid contact apparatus | |
| CN209392954U (en) | A kind of Asta-3746 deduster | |
| CN208332875U (en) | A kind of improved vertical color masterbatch particle dehydration device | |
| CN205712459U (en) | A kind of filtering residue drying unit of suction-type sewer scavenger | |
| CN215113558U (en) | Centrifuge with material drying system | |
| CN220714932U (en) | Novel section of thick bamboo awl trinity filters washing desiccator | |
| CN212081809U (en) | Vertical hydroextractor of foaming polypropylene particle | |
| CN212457710U (en) | Roller drying structure | |
| CN110237918A (en) | A kind of accumulator of electric car production energy-saving equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |