CN208975454U - A kind of condensation cycle gain of heat continous way alternating temperature grain dry energy saver - Google Patents
A kind of condensation cycle gain of heat continous way alternating temperature grain dry energy saver Download PDFInfo
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- CN208975454U CN208975454U CN201821700053.4U CN201821700053U CN208975454U CN 208975454 U CN208975454 U CN 208975454U CN 201821700053 U CN201821700053 U CN 201821700053U CN 208975454 U CN208975454 U CN 208975454U
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Abstract
The utility model discloses a kind of condensation cycle gain of heat continous way alternating temperature grain dry energy savers, comprising: drying machine is disposed with delay section, dryer section, cooling section, grain discharging section, grain discharging opening from top to bottom；And the dryer section two sides are from the upper pipeline for being arranged with multiple connections；Elevator is arranged on the outside of the drying machine, and in vertical distribution, and cereal can be promoted to top from bottom end by the elevator, and cereal is made to enter the drying machine；Conveyer connects the elevator bottom end and the drying machine grain discharging opening；Multiple drying air fans, outlet end are connected to the side ducts respectively with the dryer section；Multiple heaters, outlet end are connected to the arrival end of the drying air fan respectively；Condenser, arrival end are connected to another side ducts of the dryer section；Heat exchanger tube is provided in the condenser；Wind mixed chamber, arrival end are connected to the condensator outlet, and outlet end is respectively communicated with the arrival end of the heater.
Description
Technical field
The utility model relates to grain drying field more particularly to a kind of condensation cycle gain of heat continous way alternating temperature grain dries
Energy saver.
Background technique
Currently, grain heat-drying equipment in China's, which is encountered by reduce cost and reduce, pollutes two big conflicting technical problems.
First, it is desirable that as early as possible with the coal-fired dry technology of the high-cost electrothermal drying technical substitution high pollution low cost of high cleaning；It is another
Aspect, by the foodstuff drying device heat consumption index in China in 6688kJ/kgH2O~9196kJ/kgH2O is reduced and is gone abroad first
Into foodstuff drying device heat consumption index in 4180~5016kJ/kgH2O is even lower.
The exhaust gas temperature of existing grain drier discharge is generally at 30~60 DEG C, and humidity is 50%~85%, medium-sized grain
Drying machine day nearly 2,000,000 m of discharge amount3, part foodstuff drying device in the market uses waste heat from tail gas recovery process, mainly sharp
With the lower part of dryer section and the tail gas of cooling section, benefit is not recycled there are also about half to 2/3rds dryer section tail gas
With, let alone condense the gain of heat, that is, deep exploitation tail gas latent heat.
The heat pump dryer to grow up in recent years, although meeting energy-saving and environment-friendly requirement, there are following some offices
Limit: it is required that environment temperature between 5~40 DEG C, is not suitable for cold district, and volume is big, investment is big, drying efficiency is low, and difficult
In the dried medium of 85 DEG C of temperatures above of offer.
Utility model content
The utility model is to solve current technology shortcoming, provides a kind of condensation cycle gain of heat continous way alternating temperature paddy
It is dry to be divided into multistage by object drying energy saving device for dryer section, and mixing circulation utilizes after tail gas recycle is condensed, and improves energy benefit
With rate and drying efficiency.
The utility model another object is that improving heat exchange efficiency by the ratio for adjusting cold air and condensing gas.
A kind of technical solution provided by the utility model are as follows: condensation cycle gain of heat continous way alternating temperature grain dry energy conservation dress
It sets, comprising:
Drying machine is disposed with delay section, dryer section, cooling section, grain discharging section, grain discharging opening from top to bottom；And institute
It states dryer section two sides and cooling section two sides and is provided with the pipeline of multiple connections；
Elevator is arranged on the outside of the drying machine, and in vertical distribution, and the elevator can be by cereal the bottom of from
End is promoted to top, and cereal is made to enter the drying machine；
Conveyer connects the elevator bottom end and the drying machine grain discharging opening；
Cooling blower, arrival end are connected to a side ducts of the cooling section；
Multiple drying air fans, outlet end are connected to the side ducts respectively with the dryer section；
Multiple heaters, outlet end are connected to the arrival end of the drying air fan respectively；
Condenser, arrival end are connected to another side ducts of the dryer section and the cooling section；In the condenser
It is provided with heat exchanger tube；
Wind mixed chamber, arrival end are connected to the condensator outlet, and outlet end is respectively communicated with the arrival end of the heater.
Preferably, further includes:
The outlet end of the heat exchanger tube is arranged in condensation fan；
Air inlet is arranged at the heat exchange tube inlet, the air inlet include cold air air inlet and condensing gas into
Air port, the condensing gas air inlet are connected to the outlet of the condenser, and the cold air air inlet is connected to outside air.
Preferably, further includes:
Humidity discharging air-introduced machine is connect with the condenser, and is provided with humidity discharging mouth on the humidity discharging air-introduced machine.
Preferably, further include
Top is arranged in the condenser in spray pump；
The discharge outlet of the condenser is arranged in water tank, connect with the spray pump.
Preferably,
It is provided with overflow port on the condenser, for cooling water to be discharged；
And the overflow port is connected to the water tank.
Preferably,
Mud scraper is arranged in the condenser bottom.
Preferably,
The grain discharging section is provided with draining crop mechanism, and the draining crop mechanism includes impeller, and impeller rotation drives position
Cereal above impeller is moved to below impeller and then is discharged from the grain discharging opening.
Preferably,
The heat exchange structure of the condenser is S type.
Preferably,
The condensation fan is air-introduced machine.
Preferably,
Level sensor is provided in the delay section of the drying machine upper end.
It is described in the utility model not recycled the utility model has the advantages that 1) changing traditional continous way grain heat-drying tail gas, or
The situation for only recycling a part, makes dried medium form closed circulation, greatly reduces the irreversible loss of energy transmission, add
It is strong it is effective can, reach 40% or more energy conservation.Substitution high pollution fire coal drying is dried using Low-cost electric thermal cleaning；2) it uses
Condensed water automatic cycle spray heat exchanger cleaning unit increases condensed water clean cycle system for multi-stage condensing gain of heat heat exchanger
System, can clean the dust and soil on heat exchanger tube in time, reduce its influence for exchanging the thermal efficiency as far as possible, and play elimination simultaneously
The effect of dust and soil that tail gas is brought into from grain；3) it is adjusted by the radius of control cool air inlet and condensing gas entrance
The ratio of cool ambient air and condensing gas is saved, heat exchange efficiency is improved with this.
Detailed description of the invention
Fig. 1 is the condensation cycle gain of heat continous way alternating temperature grain dry energy saver structure chart of the utility model.
Fig. 2 is the condensation cycle gain of heat continous way alternating temperature grain dry energy saver top view of the utility model.
Fig. 3 is the process flow chart of the condensation cycle gain of heat continous way alternating temperature grain dry energy saver of the utility model.
Specific embodiment
The following describes the utility model in further detail with reference to the accompanying drawings, to enable those skilled in the art referring to explanation
Book text can be implemented accordingly.
As shown in Figure 1-3, a kind of condensation cycle gain of heat continous way alternating temperature grain dry energy saver packet of the utility model
It includes and is desilted into grain, starting dried medium circulation, the starting condensation gain of heat, starting spray, survey accumulated temperature speed regulation degree, survey water amendment accumulated temperature etc.
Part forms.Drying machine 110 has been disposed with delay section, dryer section, cooling section, grain discharging section, grain discharging opening from top to bottom,
Dryer section two sides from top to bottom and cooling section is provided with the pipelines 111 of multiple connections, cooling section two sides are also provided with pipeline
111.For delay section for the crop storage in drying process, dryer section is dry for heat grain, and cooling section is used to cool down cereal,
Grain discharging section is arranged in cooling section bottom, and the cereal after drying can be discharged to drying machine 110 from grain discharging opening by the top of grain discharging opening
Outside.The setting of elevator 120 is arranged vertically, and the height of elevator 120 is greater than drying machine 110 in 110 outside of drying machine
Highly, it is provided in the bottom of elevator 120 and mentions grain mouth, elevator 120 will be from cereal hoisting that grain mouth enters be mentioned to elevator
120 top makes cereal enter drying machine 110.Conveyer 180 connects 120 bottom end of elevator and mentions grain mouth and 110 row's grain of drying machine
Mouthful, it can be mutually connected with grain mouth is mentioned by rotation direction, enter the cereal being discharged from grain discharging opening and mention grain mouth.Conveyer 180
Using wall board type conveyer.Dry motor spindle is provided with cooling blower 112, the grain that will be discharged to dryer section bottom is cold
But.
The outlet end of multiple drying air fans 130 is connected to a side ducts 111 of dryer section respectively, needed for providing for dryer section
The hot wind of temperature.The quantity of drying air fan is identical with number of tubes.Multiple heaters 140 (including heater 141,142,
143), outlet be connected to the arrival end of drying air fan 130 (including drying air fan 131,132,133) respectively, provide it is uniform,
The dried medium stablized and accurately controlled.150 entrance of condenser and another side ducts of the drying machine are respectively communicated with, outlet
It is connected to the entrance of the wind mixed chamber 160, it is in the tail gas and heat exchanger tube of dryer section that the heat exchange structure of condenser 150, which is S type,
The heat-exchanger rig of gas after cool ambient air and the mixing of a part of tail gas condensing gas, by the sensible heat and part recovery of latent heat in tail gas
It dehumidifies using and by tail gas.Spray pump 153 is arranged in condenser 150, and spray pump 153 is connected to by water pump 156, will condense
Water is ejected into each heat exchange pipe external surface of S type condenser 150 by water pump 156, to stay in after removing dryer section tail gas condensing
The dust and soil of heat exchange pipe external surface, and it is provided with mud scraper 190 below the heat exchanger tube of condenser 150, cleaning condensation in time
Mud, impurity of device bottom etc., enable condenser effectively to run.Condenser needs cleaning to remove with internal after a period of time
Dirt, ejected wash water are discharged by ejected wash water overflow port 154.
The arrival end of the heat exchanger tube of condenser is provided with air inlet 155, air inlet 155 includes cold air air inlet and cold
Solidifying gas air inlet, the condensing gas air inlet are connected to the outlet of the condenser, gas after recovery section condensation, the cold air
Air inlet is connected to outside air.The outlet end of the heat exchanger tube is arranged in condensation fan 170, and condensation fan is induced air type wind
Machine can form negative pressure in heat exchanger tube, so that gas after the cool ambient air and condensation at the air inlet 155 of heat exchanger tube
Body enters.Meanwhile control electric switch is respectively set in condensing gas air inlet and cold air air inlet, and by switch control electric switch
Opening and closing (and size of open area), so that the opening for controlling condensing gas air inlet and cold air air inlet is big
It is small.The air-flow come at two is mixed, into heat exchange intraductal heat exchange, prevents heat exchanger tube from freezing.Condensation fan 170 is frequency conversion wind
Machine matches condensing gas with cool ambient air in proportion, adjusts at the air inlet 155 of heat exchanger tube wind-warm syndrome at 0 DEG C or more, drying machine
Tail gas dew-point temperature is hereinafter, humidity discharging air-introduced machine 151 is connect with condenser 150, and is provided with humidity discharging on humidity discharging air-introduced machine 151
Mouth 152.150 shell side humidity of condenser starts 151 humidity discharging of humidity discharging air-introduced machine when reaching 85%, has been discharged into the tail gas of atmosphere at this time
Through by condensation heat release and dust removal process.Overflow port 154 is provided on condenser 150, for clean cooling water to be discharged；And
The connection of overflow port 154 and the water tank recycles cooling water.Grain discharging section is provided with draining crop mechanism, the draining crop mechanism packet
Impeller is included, and impeller rotation drives the cereal being located above impeller to move to below impeller and then arrange from the grain discharging opening
Out.Feeding, discharge level sensor is provided in 110 top delay section of drying machine.Normally closed type shutter is provided on condenser 150
157, when the work of damp air-introduced machine 151, normally closed type shutter 157 is opened.
Energy-saving process method mainly include into grain, starting dried medium circulation, starting condensation the gain of heat, starting spray desilt,
It surveys accumulated temperature speed regulation degree, survey the part compositions such as water amendment accumulated temperature, as follows into grain process: starting elevator is to drying air fan from top
Grain, after level detector expires grain alarm, Level control elevator is in interval into grain state, maintains the grain continuous flow of system job
It is dynamic；Start dried medium circulation: starting drying air fan, heater make dry gas stream QdDrying air fan, drying machine, condenser,
Closed circulation is formd between wind mixed chamber 160 and heater；The starting condensation gain of heat: starting condensation fan, according to dry after condensation
The epidemic disaster of gas, the frequency of adjusting condensation fan and cold air air inlet and condensing gas air inlet electric switch are opened in real time
Size carries out efficient and suitable condensation to adjust the dry gas stream Q of condenser；Starting spray desilts: starting mud scraper, and
Mud, the impurity etc. of Shi Qingli condenser bottom, enable condenser effectively to run；Survey accumulated temperature speed regulation degree: system was run
Cheng Zhong, is detected and the temperature zone value of computing system, automatic adjustment drying machine arrange grain speed；It surveys water and corrects accumulated temperature: on-line checking
Grain moisture content in drying process, it is automatic to correct accumulated temperature setting value.Condensation cycle gain of heat continous way grain drying includes: heating
Device, for providing stable, reliable, controllable thermal energy, and then heat drying air-flow Qd, connect in drying air fan one end, drying air fan
By the dry gas stream Q after being heated by heaterdIt blasts three dryer sections of continous way foodstuff drying device respectively again, carries out hot wind
Drying process, elevator are used to realize the top of grain hoisting to dryer from the operation and the course of work of grain on top
Grain operation in interval, the dry gas stream Q of dryer section dischargedInto multi-stage condensing device, in multi-stage condensing device, dry gas stream QdIt is cold
Solidifying heat release simultaneously and exchanges heat with the mixed gas of condensing gas stream from the outside air that air inlet enters in multi-stage condensing device heat exchanger tube
Amount, that is, flow through the dry gas stream Q of condenserdIn vapor liquid become by gaseous state release the latent heat of vaporization, while dry gas stream Qd
Moisture content reduce, at this point, by adjust condensation fan frequency can real-time control dry gas stream QdCondensation intensity, with adjust
The temperature and humidity of dried medium is simultaneously conducive to drying operation, starting humidity discharging air-introduced machine row when multi-stage condensing device shell side humidity reaches 85%
Tide, the drying tail gas for being discharged into atmosphere at this time have already passed through condensation heat release and dust removal process, are the cleaner gas of low temperature, multistage
During condenser working, the condensed water extracted out by water pump is constantly ejected into each of multi-stage condensing device by cleaning spray tube group
Heat exchange pipe external surface, to remove dry gas stream QdDust and soil brought into from grain and being attached to heat exchange pipe external surface,
Mud scraper removes the mud of condenser bottom in time simultaneously, and for condenser with after a period of time, inside needs cleaning and descaling, cleaning
Water is discharged by cleaning water outs, and the grain for being dried to predetermined moisture is transported to grain storage apparatus by solid food conveyer.
Another embodiment as the utility model further includes that whole system is equipped with a set of control cabinet, the control in control cabinet
System connection processed controls the collaborative work of all parts device of entire drying system, and it is accurate, uniform that heater 140 provides
The hot wind of dryer required temperature, temperature data can accurately feed back to control system in real time, air-heater 130, elevator 120,
Drying machine 110, conveyer 180, water pump 156 all pass through control system control and open work simultaneously, pass through frequency conversion condensation fan
170 and control condensing gas and cool ambient air mixed proportion so that the control of condenser tube side inlet temperature at 0 DEG C or more, tail gas
For dew-point temperature hereinafter, to guarantee that the condensed water on heat exchanger tube does not freeze, the outlet of condenser 150 and entrance install temperature and humidity sensing
Device, the gas humidity of real-time detection condenser shell side are no more than 85%, more than when just start 151 humidity discharging of humidity discharging air-introduced machine.Pass through
The control system of control cabinet automatically adjusts condensation fan air quantity, changes condensation intensity, makes to condense intensity and drying efficiency is optimal；It is logical
The measurement of white drying machine temperature zone and the detection of drying machine moisture content of outlet are crossed, automatic adjustment row's grain motor speed realizes drying operation grain
Eat the automatic adjustment of flow.Multiple Temperature Humidity Sensors are provided in dryer section, in the inlet and outlet and heat exchanger tube of condenser
Inlet and outlet temperature-humidity sensor is also respectively set, and all connect with control system, realize real-time monitoring.
It is all recycled after the tail gas of continuous drier dryer section and cooling section is condensed gain of heat wet down by condenser
Using circulation, then (electricity) heating, dryer section is entered back into, air-source closed circulation or dry thermal medium circulation are formed；Cleaning spray
Pipe group and water pump constitute condensed water clean cycle, constantly cleaning heat exchanger tube, the dust and soil for preventing tail gas from bringing into from grain
Being adhered to heat exchange pipe surface reduces heat exchange efficiency；Condensation fan air quantity is automatically adjusted by control system, changes condensation intensity, makes
It condenses intensity and drying efficiency is optimal；Pass through the measurement of white drying machine temperature zone and the detection of drying machine moisture content of outlet, automatic adjustment
Arrange the automatic adjustment that grain motor speed realizes drying operation grain flow.
It is not only in the description and the implementation although the embodiments of the present invention have been disclosed as above
Listed utilization, it can be applied to various fields suitable for the present invention completely, for those skilled in the art,
Other modifications may be easily implemented, therefore without departing from the general concept defined in the claims and the equivalent scope, this reality
It is not limited to specific details and legend shown and described herein with novel.
Claims (10)
1. a kind of condensation cycle gain of heat continous way alternating temperature grain dry energy saver characterized by comprising
Drying machine is disposed with delay section, dryer section, cooling section, grain discharging section, grain discharging opening from top to bottom；And it is described dry
Dry section of two sides and cooling section two sides are provided with the pipeline of multiple connections；
Elevator is arranged on the outside of the drying machine, and in vertical distribution, and the elevator can mention cereal from bottom end
Top is risen to, cereal is made to enter the drying machine；
Conveyer connects the elevator bottom end and the drying machine grain discharging opening；
Cooling blower, arrival end are connected to a side ducts of the cooling section；
Multiple drying air fans, outlet end are connected to the side ducts respectively with the dryer section；
Multiple heaters, outlet end are connected to the arrival end of the drying air fan respectively；
Condenser, arrival end are connected to another side ducts of the dryer section and the cooling section；Setting in the condenser
There is heat exchanger tube；
Wind mixed chamber, arrival end are connected to the condensator outlet, and outlet end is respectively communicated with the arrival end of the heater.
2. condensation cycle gain of heat continous way alternating temperature grain dry energy saver according to claim 1, which is characterized in that also
Include:
The outlet end of the heat exchanger tube is arranged in condensation fan；
Air inlet is arranged at the heat exchange tube inlet, and the air inlet includes cold air air inlet and condensing gas air inlet,
The condensing gas air inlet is connected to the outlet of the condenser, and the cold air air inlet is connected to outside air.
3. condensation cycle gain of heat continous way alternating temperature grain dry energy saver according to claim 1, which is characterized in that also
Include:
Humidity discharging air-introduced machine is connect with the condenser, and is provided with humidity discharging mouth on the humidity discharging air-introduced machine.
4. condensation cycle gain of heat continous way alternating temperature grain dry energy saver according to claim 1, which is characterized in that also
Including
Top is arranged in the condenser in spray pump；
The discharge outlet of the condenser is arranged in water tank, connect with the spray pump.
5. condensation cycle gain of heat continous way alternating temperature grain dry energy saver according to claim 4, which is characterized in that
It is provided with overflow port on the condenser, for cooling water to be discharged；
And the overflow port is connected to the water tank.
6. condensation cycle gain of heat continous way alternating temperature grain dry energy saver according to claim 1, which is characterized in that
Mud scraper is arranged in the condenser bottom.
7. condensation cycle gain of heat continous way alternating temperature grain dry energy saver according to claim 6, which is characterized in that
The grain discharging section is provided with draining crop mechanism, and the draining crop mechanism includes impeller, and impeller rotation drives and is located at leaf
The cereal of wheel top is moved to below impeller and then is discharged from the grain discharging opening.
8. condensation cycle gain of heat continous way alternating temperature grain dry energy saver according to claim 1, which is characterized in that
The heat exchange structure of the condenser is S type.
9. condensation cycle gain of heat continous way alternating temperature grain dry energy saver according to claim 2, which is characterized in that
The condensation fan is air-introduced machine.
10. condensation cycle gain of heat continous way alternating temperature grain dry energy saver according to claim 9, which is characterized in that
Level sensor is provided in the delay section of the drying machine upper end.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821700053.4U CN208975454U (en) | 2018-10-19 | 2018-10-19 | A kind of condensation cycle gain of heat continous way alternating temperature grain dry energy saver |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821700053.4U CN208975454U (en) | 2018-10-19 | 2018-10-19 | A kind of condensation cycle gain of heat continous way alternating temperature grain dry energy saver |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109173560A (en) * | 2018-10-19 | 2019-01-11 | 吉林工商学院 | A kind of condensation cycle gain of heat continous way alternating temperature grain dry energy saver and its control method |
-
2018
- 2018-10-19 CN CN201821700053.4U patent/CN208975454U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109173560A (en) * | 2018-10-19 | 2019-01-11 | 吉林工商学院 | A kind of condensation cycle gain of heat continous way alternating temperature grain dry energy saver and its control method |
| CN109173560B (en) * | 2018-10-19 | 2023-10-24 | 吉林工商学院 | Condensation circulation heat increasing continuous variable-temperature grain drying energy-saving device and control method thereof |
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