CN208269616U - Pneumatic conveying drying waste heat recovery device - Google Patents
Pneumatic conveying drying waste heat recovery device Download PDFInfo
- Publication number
- CN208269616U CN208269616U CN201820226625.3U CN201820226625U CN208269616U CN 208269616 U CN208269616 U CN 208269616U CN 201820226625 U CN201820226625 U CN 201820226625U CN 208269616 U CN208269616 U CN 208269616U
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- China
- Prior art keywords
- conduit
- heat exchanger
- valve
- heat
- steam heater
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- 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.)
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/30—Technologies for a more efficient combustion or heat usage
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Drying Of Solid Materials (AREA)
Abstract
The utility model relates to heat recovery technology fields, more particularly to pneumatic conveying drying waste heat recovery device, including dirt catcher, preheater is communicated on the right side of dirt catcher, it is connected to by conduit one with heat exchanger on the right side of preheater, Non-return air valve is provided on conduit one, top is provided with smoke exhaust pipe on the left of heat exchanger, valve is provided on smoke exhaust pipe, it is connected on the right side of heat exchanger with steam heater, steam heater top is provided with jet chimney, steam heater bottom end is provided with condensate pipe, conduit two and conduit three are respectively arranged on the right side of steam heater, three air inlet position of conduit is provided with flow monitor, the utility model is structurally reasonable, it is easy to operate, it is provided with Non-return air valve, avoid influence of the gas recovery to preheater, has the function of heat to electricity conversion, have the function of that intelligence adjusts air flow rate and enters heat to electricity conversion room simultaneously , and real-time monitoring can be carried out to the flue-gas temperature of recycling, and be reasonably recycled, there is very strong practicability.
Description
Technical field
The utility model relates to heat recovery technology fields, and in particular to pneumatic conveying drying waste heat recovery device.
Background technique
In technical field of fine, polyvinylpyrrolidone is widely used, wherein applying at most is PVP-K30
Powder, dry by K30 aqueous solution is powdery.Currently, generally using dry air-flow process, heating method is generally used in existing weaponry and equipment
Steam or heat-conducting oil heating, then it is aided with electric heating, gas is expelled directly out after dedusting by air-introduced machine extraction, and defect is:
1, the efflux gas temperature is high, and generally between 80 to 90 degree, a large amount of thermal energy is wasted；2, in summer, working environment temperature
Degree is high, is unfavorable for the progress of production；3, electric heating, the power consumption of heat-conducting oil heating are high, increase drying cost.Number of patent application
A kind of pneumatic conveying drying waste heat recovery device mentioned in CN201521102078.0, including dirt catcher, steam heater, gas
Drying tower, cyclone separator are flowed, the pneumatic conveying drying waste heat recovery device further includes preheater and bag filter, described
Preheater is arranged between dirt catcher and steam heater, preceding to be connected with dirt catcher, is connected afterwards with steam heater, the dress
Although thermal energy can be recycled by setting, cancels the additional heat of electricity, and improve working environment, but still have following problems: 1,
Preheater continues working the continuous offer electric energy of needs, so as to cause the consumption of a large amount of electric energy；2, the gas recycled is through a plurality of pipe
The conduction in road, causes temperature to reduce, and when being passed into preheater, is unfavorable for the heat exchange work of heat exchanger.
Summary of the invention
In view of the above shortcomings of the prior art, the utility model discloses pneumatic conveying drying waste heat recovery devices, greatly
Ground improves heat energy recycle, reduces the loss of preheater electric energy, greatly improved working environment.
Specific technical solution is as follows:
Pneumatic conveying drying waste heat recovery device, including dirt catcher, preheater, conduit one, heat exchanger, Non-return air valve, row
Smoke pipe, valve, steam heater, jet chimney, condensate pipe, conduit two, conduit three, flow monitor, flow control valve, gas
Flow drying tower, feed inlet, conduit four, cyclone separator, discharge port, heat to electricity conversion room, thermoelectric converter, conduit five, air-introduced machine
One, conduit six, air-introduced machine two, bag filter, temperature sensor, conduit seven, solenoid valve and branch pipe, the dust filtration device right side connect
It is connected with the preheater, is connected to by the conduit one with the heat exchanger on the right side of the preheater, is arranged on the conduit one
There is the Non-return air valve, top is provided with the smoke exhaust pipe on the left of the heat exchanger, the valve is provided on the smoke exhaust pipe,
It is connected on the right side of the heat exchanger with the steam heater, the steam heater top is provided with the jet chimney, institute
It states steam heater bottom end and is provided with the condensate pipe, be respectively arranged with the conduit two and institute on the right side of the steam heater
Conduit three is stated, the three air inlet position of conduit is provided with the flow monitor, leads below the flow monitor in described
The flow control valve is provided on pipe three, the conduit two is connected with the airstream drying tower top, the pneumatic conveying drying
Be provided with the feed inlet on tower, lower section is provided with the conduit four on the left of the airstream drying tower, four left end of conduit with
The cyclone separator is connected, and the cyclone separator bottom end is provided with the discharge port, and three bottom end of conduit is provided with
The heat to electricity conversion room, the heat to electricity conversion chamber interior are provided with the thermoelectric converter, setting on the left of the cyclone separator
There is the conduit five, the air-introduced machine one is provided on the conduit five, heat to electricity conversion room bottom end is provided with the conduit
Six, the air-introduced machine two is provided on the conduit six, and the left end of the conduit five and the conduit six is removed with the cloth bag
Dirt device is connected, and the bag filter inner tip is provided with the temperature sensor, the bag filter top connection
There is the conduit seven, seven left end of conduit is provided with the solenoid valve, the setting on the right side of the solenoid valve on the conduit seven
There is the branch pipe, the branch pipe is connected with the heat exchanger bottom end, and the solenoid valve is provided on the branch pipe；
Preferably, the heat exchanger is provided with 3 groups and is serially connected；
Preferably, the gas flow of the Non-return air valve flows to heat exchanger by preheater；
Preferably, the flow monitor and the flow control valve, which are powered, connects；
Preferably, the temperature sensor is connect with two solenoid valves respectively.
The utility model has the advantages that
1, preheater and heat exchanger are provided separately by the utility model, and centre is provided with conduit one, are provided on conduit one
Flue gas after recycling is imported into heat exchanger by Non-return air valve well, to be conducive to the heat exchange of heat exchanger, is reduced
The low flue gas of temperature after repeatedly conducting is imported into inside preheater, to influence the warm operation of preheater, is increased
Waste heat energy consumption.
2, flow monitor and flow control valve are provided on conduit three, flow monitor can be to being passed into conduit three
Gas flow be monitored, when flow is excessive, flow control valve will be adjusted accordingly, reduce passing through for gas, from
And guarantee that most steam gas are imported into airstream drying tower from conduit two, ensure that the normal work of airstream drying tower.
3, heat to electricity conversion room is provided on conduit three, heat to electricity conversion is provided with thermoelectric converter in room, can be to importing
Thermal current carries out thermoelectric conversion, and stores to the electric energy after conversion, to lasting offer present apparatus electric consumption, reduces
The consumption of alternating current, energy conservation and environmental protection.
4, bag filter is internally provided with temperature sensor, can real-time monitoring imported into and remove through conduit five and conduit six
The temperature of gas after mixing inside dirt device, when the temperature is low, the solenoid valve on conduit seven are opened, and the solenoid valve on branch pipe closes
It closes, so that low-temperature flue gas is discharged, when temperature is high, the solenoid valve on gas-guide tube seven is closed, and the solenoid valve on branch pipe is opened, this
When high-temperature gas imported into inside heat exchanger, two solenoid valves of setting intelligent opening and closing of temperature controller avoid low temperature gas
Body is flowed into inside heat exchanger, so that the heat exchange work of heat exchanging device impacts, so that gas converting heat is more thorough.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1: pneumatic conveying drying waste heat recovery device overall structure diagram.
Appended drawing reference is as follows: 1, dirt catcher, 2, preheater, 3, conduit one, 4, heat exchanger, 5, Non-return air valve, 6, smoke exhaust pipe,
7, valve, 8, steam heater, 9, jet chimney, 10, condensate pipe, 11, conduit two, 12, conduit three, 13, flow monitor,
14, flow control valve, 15, airstream drying tower, 16, feed inlet, 17, conduit four, 18, cyclone separator, 19, discharge port, 20, heat
Electric switch room, 21, thermoelectric converter, 22, conduit five, 23, air-introduced machine one, 24, conduit six, 25, air-introduced machine two, 26, cloth bag remove
Dirt device, 27, temperature sensor, 28, conduit seven, 29, solenoid valve, 30, branch pipe.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The range of the utility model protection.
Referring to Fig. 1: pneumatic conveying drying waste heat recovery device, including dirt catcher 1 are communicated with preheater on the right side of dirt catcher 1
2, it is connected to by conduit 1 with heat exchanger 4 on the right side of preheater 2, Non-return air valve 5 is provided on conduit 1, is pushed up on the left of heat exchanger 4
End is provided with smoke exhaust pipe 6, and valve 7 is provided on smoke exhaust pipe 6, and 4 right side of heat exchanger is connected with steam heater 8, steam heating
8 top of device is provided with jet chimney 9, and 8 bottom end of steam heater is provided with condensate pipe 10, and 8 right side of steam heater is set respectively
It is equipped with conduit 2 11 and conduit 3 12,3 12 air inlet position of conduit is provided with flow monitor 13,13 lower section of flow monitor
In being provided with flow control valve 14 on conduit 3 12, conduit 2 11 is connected with 15 top of airstream drying tower, airstream drying tower 15
On be provided with feed inlet 16,15 left side lower section of airstream drying tower is provided with conduit 4 17,4 17 left end of conduit and cyclone separator
18 are connected, and 18 bottom end of cyclone separator is provided with discharge port 19, and 3 12 bottom end of conduit is provided with heat to electricity conversion room 20, and thermoelectricity turns
It changes room 20 and is internally provided with thermoelectric converter 21, conduit 5 22 is provided on the left of cyclone separator 18, is provided on conduit 5 22
Air-introduced machine 1,20 bottom end of heat to electricity conversion room are provided with conduit 6 24, and air-introduced machine 2 25, conduit 5 22 are provided on conduit 6 24
It is connected with bag filter 26 with the left end of conduit 6 24,26 inner tip of bag filter is provided with temperature sensor
27,26 top of bag filter is communicated with conduit 7 28, and 7 28 left end of conduit is provided with solenoid valve 29, in electromagnetism on conduit 7 28
Branch pipe 30 is provided on the right side of valve 29, branch pipe 30 is connected with 4 bottom end of heat exchanger, and solenoid valve 29 is provided on branch pipe 30.
Specifically, heat exchanger 4 is provided with 3 groups and is serially connected, the gas flow of Non-return air valve 5 is changed by the flow direction of preheater 2
Hot device 4, flow monitor 13 and flow control valve 14, which are powered, to be connected, and temperature sensor 27 is powered with two solenoid valves 29 respectively to be connected
It connects.
When the utility model is used, air is purified through dirt catcher 1, into preheater 2, it is preheated after air flow through heat exchange
Device 4 is passed into steam heater 8, and the high-temperature gas after the heating of steam heater 8 passes through conduit 2 11 and conduit three respectively
12 imported into airstream drying tower 15 and thermoelectricity changes in switch room 20, and flow monitor 13 is to the gas stream being passed into conduit 3 12
Amount is monitored, and when flow is excessive, flow control valve 14 be will adjust accordingly, and is imported into conduit 3 12 with reducing
Gas, hot wind rectify in airstream drying tower 15 by hot air distributor, enter in tower and through atomizer mist with from feed inlet 16
The feed liquid of change carries out heat exchange, becomes the powder of water content qualification before material arrival tower bottom, and powder material enters rotation with hot wind
Wind separator 18, weighing and bagging, which is discharged, by discharge port 19 after separation becomes finished product, imported into heat to electricity conversion room 20 via thermoelectricity
21 heat to electricity conversion of converter, becomes electric energy and is stored, and heat to electricity conversion room 20 is with the air-flow in cyclone separator 18 through drawing later
Blower 2 25 and air-introduced machine 1 imported into mixing, bag filter 16 in bag filter 26 and are dusted only to mixed gas
Change, while temperature sensor 27 detects gas temperature, the solenoid valve 29 when the temperature detected is low, on conduit 7 28
It opens, the solenoid valve 29 on branch pipe 30 is closed, and facilitates the discharge of cryogenic gas, when the temperature detected is high, on conduit 7 28
Solenoid valve 29 close, the solenoid valve 29 on branch pipe 30 is opened, to introduce gas into heat exchanger 4, with the gas that reaches a high temperature
The recycling of body, opens valve 7, and flue gas after heat exchange is from 6 qualified discharge of smoke exhaust pipe.
The utility model is structurally reasonable, easy to operate, is provided with Non-return air valve, avoids gas recovery to the shadow of preheater
Ring, have the function of heat to electricity conversion, while having the function of that intelligence adjusts air flow rate and enters heat to electricity conversion room, and can to time
The flue-gas temperature of receipts carries out real-time monitoring, and is reasonably recycled, and has very strong practicability.
Above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；Although referring to aforementioned reality
Example is applied the utility model is described in detail, those skilled in the art should understand that: it still can be to preceding
Technical solution documented by each embodiment is stated to modify or equivalent replacement of some of the technical features；And these
It modifies or replaces, the spirit and model of various embodiments of the utility model technical solution that it does not separate the essence of the corresponding technical solution
It encloses.
Claims (5)
1. pneumatic conveying drying waste heat recovery device, it is characterised in that: including dirt catcher (1), preheater (2), conduit one (3),
Heat exchanger (4), Non-return air valve (5), smoke exhaust pipe (6), valve (7), steam heater (8), jet chimney (9), condensate pipe
(10), conduit two (11), conduit three (12), flow monitor (13), flow control valve (14), airstream drying tower (15), charging
Mouth (16), cyclone separator (18), discharge port (19), heat to electricity conversion room (20), thermoelectric converter (21), is led at conduit four (17)
Pipe five (22), air-introduced machine one (23), conduit six (24), air-introduced machine two (25), bag filter (26), temperature sensor (27),
Conduit seven (28), solenoid valve (29) and branch pipe (30), the dust filtration device (1) right side are communicated with the preheater (2), the preheating
It is connected to by the conduit one (3) with the heat exchanger (4) on the right side of device (2), the unidirectional gas is provided on the conduit one (3)
Valve (5), heat exchanger (4) left side top are provided with the smoke exhaust pipe (6), are provided with the valve on the smoke exhaust pipe (6)
(7), it is connected on the right side of the heat exchanger (4) with the steam heater (8), steam heater (8) the top setting is
It states jet chimney (9), steam heater (8) bottom end is provided with the condensate pipe (10), and the steam heater (8) is right
Side is respectively arranged with the conduit two (11) and the conduit three (12), and conduit three (12) the air inlet position is provided with described
Flow monitor (13), in being provided with the flow control valve on the conduit three (12) below the flow monitor (13)
(14), the conduit two (11) is connected with the airstream drying tower (15) top, is provided on the airstream drying tower (15)
The feed inlet (16), airstream drying tower (15) left side lower section are provided with the conduit four (17), the conduit four (17)
Left end is connected with the cyclone separator (18), and cyclone separator (18) bottom end is provided with the discharge port (19), institute
It states conduit three (12) bottom end and is provided with the heat to electricity conversion room (20), the heat to electricity conversion room (20) is internally provided with the thermoelectricity
Converter (21), cyclone separator (18) left side are provided with the conduit five (22), are provided on the conduit five (22)
The air-introduced machine one (23), heat to electricity conversion room (20) bottom end are provided with the conduit six (24), on the conduit six (24)
Be provided with the air-introduced machine two (25), the left end of the conduit five (22) and the conduit six (24) with the bag filter
(26) it is connected, bag filter (26) inner tip is provided with the temperature sensor (27), the bag filter
(26) top is communicated with the conduit seven (28), and conduit seven (28) left end is provided with the solenoid valve (29), the conduit
It is provided with the branch pipe (30) on the right side of the solenoid valve (29) on seven (28), the branch pipe (30) and the heat exchanger (4) bottom
End is connected, and is provided with the solenoid valve (29) on the branch pipe (30).
2. pneumatic conveying drying waste heat recovery device according to claim 1, it is characterised in that: the heat exchanger (4) sets
It is equipped with 3 groups and is serially connected.
3. pneumatic conveying drying waste heat recovery device according to claim 1, it is characterised in that: the Non-return air valve (5)
Gas flow heat exchanger (4) are flowed to by preheater (2).
4. pneumatic conveying drying waste heat recovery device according to claim 1, it is characterised in that: the flow monitor
(13) it is powered and connects with the flow control valve (14).
5. pneumatic conveying drying waste heat recovery device according to claim 1, it is characterised in that: the temperature sensor
(27) it is powered and connects with two solenoid valves (29) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820226625.3U CN208269616U (en) | 2018-02-09 | 2018-02-09 | Pneumatic conveying drying waste heat recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820226625.3U CN208269616U (en) | 2018-02-09 | 2018-02-09 | Pneumatic conveying drying waste heat recovery device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208269616U true CN208269616U (en) | 2018-12-21 |
Family
ID=64675277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820226625.3U Expired - Fee Related CN208269616U (en) | 2018-02-09 | 2018-02-09 | Pneumatic conveying drying waste heat recovery device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208269616U (en) |
-
2018
- 2018-02-09 CN CN201820226625.3U patent/CN208269616U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181221 Termination date: 20210209 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |