CN209639179U - Bulk hopper grain face Water cooled air conditioners unit - Google Patents
Bulk hopper grain face Water cooled air conditioners unit Download PDFInfo
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- CN209639179U CN209639179U CN201920232037.5U CN201920232037U CN209639179U CN 209639179 U CN209639179 U CN 209639179U CN 201920232037 U CN201920232037 U CN 201920232037U CN 209639179 U CN209639179 U CN 209639179U
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Abstract
The utility model discloses a kind of bulk hopper grain face Water cooled air conditioners units, belong to silo grain field of storage.The bulk hopper grain face Water cooled air conditioners unit includes indoor units and outdoor unit, and the top of grain heap in bulk in warehouse is arranged in indoor units, and the outside of warehouse is arranged in outdoor unit；Indoor units include indoor unit body, return air filter, evaporator, pressure fan, air outlet, homogenating plate, device for drying and filtering, electric expansion valve, temperature sensor；Outdoor unit includes outdoor unit body, dual-pressure controller, refrigeration compressor, water-cooled condenser, cooling water shut-off valve, vapour liquid separator, control cabinet, shut-off valve, cooling water electric control valve, cooling water flow switch；The outlet of vapour liquid separator and evaporator connects, and the outlet of water-cooled condenser is connect with evaporator；Solve the problems, such as that the air-conditioner set insufficiency for being currently used for silo and performance are unstable；Achieve the effect that ensure stable operation of unit, reduced unit operation energy consumption.
Description
Technical field
The utility model embodiment is related to silo grain field of storage, in particular to a kind of bulk hopper grain face Water cooled air conditioners
Unit.
Background technique
Keep the grain temperature of the grain of storage in 15 DEG C of hereinafter referred to as cryopreservations in Grain Trade.The cryopreservation of grain is
Generally acknowledged green, environmental protection, foodstuff preservation method safe, of good preservation effect.With the improvement of people's living standards, pacifying to grain
Complete and green non-pollution require it is higher and higher, cryopreservation technology have the advantages that it is fresh-keeping, do not use or use agrochemical less, more
Carry out more bulk hoppers and uses low-temperature air conditioner.
When general air conditioning equipment is dispatched from the factory for low temperature, for example general air-cooled cold wind unit is returned by the interior of modular unit
27 DEG C of air temperature, 17 DEG C of wet-bulb temperature design, and cryopreservation need indoor return air temperature be 15 DEG C, wet-bulb temperature 10.3
DEG C, the configuration of the unit evaporator, condenser of general air-cooled cold wind unit and the demand of cryopreservation mismatch；And it is general air-cooled
Cold wind unit air air blow and return enthalpy difference is larger, and in 15 DEG C of inlet air temperature, 10.3 DEG C of wet-bulb temperature, indoor units evaporator is easily tied
Frost influences unit normal work.In addition, dust is larger, and air-cooled unit outdoor unit will receive influence when grain passes in and out grain depot；
Bulk hopper need to usually use phosphine gas as insecticide when insect pest situation is serious, and phosphine gas can be to copper and copper alloy
Material generates heavy corrosion, can produce serious influence to motor, the electric material of evaporator, blower inside air-cooled unit,
Influence the service life of unit.
Utility model content
In order to solve problems in the prior art, the utility model embodiment provides a kind of bulk hopper grain face Water cooled air conditioners
Unit.The technical solution is as follows:
In a first aspect, providing a kind of bulk hopper grain face Water cooled air conditioners unit, including indoor units and outdoor unit, room
The top of grain heap in bulk in warehouse is arranged in interior unit, and the outside of warehouse is arranged in outdoor unit；
Indoor units include indoor unit body, return air filter, evaporator, pressure fan, air outlet, homogenating plate, dried
Filter, electric expansion valve, temperature sensor；Air outlet setting on machine body, is disposed in indoor unit body and send indoors
Blower, homogenating plate, evaporator, return air filter；
Outdoor unit includes outdoor unit body, dual-pressure controller, refrigeration compressor, water-cooled condenser, cooling water shutdown
Valve, vapour liquid separator, control cabinet, shut-off valve, cooling water electric control valve, cooling water flow switch；The outlet of vapour liquid separator
It is connected by the import of pipeline and refrigeration compressor, the outlet of refrigeration compressor and the import of water-cooled condenser connect；Water cooling is cold
Condenser is connect with two cooling water shut-off valves respectively by pipeline, is connected between water-cooled condenser and a cooling water shut-off valve
Cooling water electric control valve is connected with cooling water flow switch between water-cooled condenser and another cooling water shut-off valve；
The import of vapour liquid separator is connect by pipeline with the outlet of the evaporator of indoor unit unit, vapour liquid separator and steaming
Shut-off valve is provided on pipeline between hair device；
The outlet of water-cooled condenser is connect by pipeline with the import of the evaporator of indoor unit unit, water-cooled condenser and steaming
Shut-off valve, device for drying and filtering and electric expansion valve are provided on pipeline between hair device.
Optionally, indoor units further include return air sealing plate and air outlet sealing plate；
When bulk grain warehouse entry or bulk grain export or to bulk grain to it is stifling when, by return air sealing plate be arranged in evaporator into
The outside of air outlet is arranged in air outlet sealing plate by wind side.
Optionally, air outlet is ball diffuser.
Optionally, temperature sensor is arranged at evaporator.
Optionally, master controller is provided in control cabinet, master controller is connect with temperature sensor, electric expansion valve；
Dual-pressure controller is arranged between the inlet and outlet of refrigeration compressor.
Optionally, outdoor unit further includes charging valve, and charging valve is arranged on the pipeline of import connection of vapour liquid separator.
Technical solution provided by the embodiment of the utility model has the benefit that
The bulk hopper grain face Water cooled air conditioners unit is designed using small enthalpy difference, is not in that evaporimeter frosting influences unit fortune
Capable situation；Under other measures, it is ensured that bulk grain safely, guarantee the quality, low consumption storage.
Unit air inlet and air outlet are equipped with sealing plate to the bulk hopper grain face Water cooled air conditioners unit indoors, bulk grain into
Prevent dust from entering the room in unit when export, it is therefore prevented that the dust stratification of evaporator and pressure fan, it is ensured that the stable operation of unit.
Evaporator and refrigerant line all use phosphatization in the indoor units of the bulk hopper grain face Water cooled air conditioners unit
The free from corrosion full aluminum material (not cupric or Cu alloy material) of hydrogen, the measure to blower motor high sealing, to electrical
Wiring is removed prevents phosphine gas corrosion-free with film isolation method.
The air outlet of the indoor units of the bulk hopper grain face Water cooled air conditioners unit uses ball diffuser, with corresponding wind
Amount cooperation, air supplying distance can keep silo upper temp relatively uniform up to 24m.
Condenser air filter is arranged in the air inlet of the outdoor unit of the bulk hopper grain face Water cooled air conditioners unit, can
Dust adhesion influences unit performance on water-cooled condenser fin when preventing bulk grain from passing in and out storehouse.
The condensation temperature of the bulk hopper grain face Water cooled air conditioners unit is substantially less than air-cooled condensation temperature, may be implemented more preferable
Energy-saving effect, for example the cooling water that uses of water-cooled condenser is using cooling tower down cycles water and natural low water temperature water body, can
With further energy conservation.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model
Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is a kind of installation signal of bulk hopper grain face Water cooled air conditioners unit shown according to an exemplary embodiment
Figure；
Fig. 2 is a kind of connection signal of bulk hopper grain face Water cooled air conditioners unit shown according to an exemplary embodiment
Figure；
Fig. 3 is a kind of schematic diagram of indoor units shown according to an exemplary embodiment；
Fig. 4 is the A-A cross-sectional view of Fig. 3；
Fig. 5 is a kind of schematic diagram of outdoor unit shown according to an exemplary embodiment；
Fig. 6 is the B-B cross-sectional view of Fig. 5.
Specific embodiment
It is practical new to this below in conjunction with attached drawing to keep the purpose of this utility model, technical solution and advantage clearer
Type embodiment is described in further detail.
The bulk hopper for meeting specification for heat preservation, in summer since the roof area of silo is big, the sunshine-duration is long, sunshine
Reasons, the outside heats such as intensity is big mainly pass through roofing and enter silo, and temperature is higher than temperature in storehouse outside storehouse, enter silo to enable
Interior heat is discharged in time, usually utilizes air-conditioning device.In order to guarantee the stabilization of bulk grain quality and keep better quality, this
Utility model embodiment provides a kind of bulk hopper grain face Water cooled air conditioners unit to adjust the temperature of grain face upper air in silo
Degree and relative humidity.
As shown in Figure 1, the bulk hopper grain face air cooled heat pump includes indoor units 1 and outdoor unit 19, indoor unit
The top of grain heap 24 in bulk in silo 23 is arranged in group 1, and the outside of silo 23, indoor units 1 and room is arranged in outdoor unit 19
Outer unit 19 is connected by pipeline.
Optionally, indoor units 1 are arranged on the bracket for being fixed on 23 inside bulkhead of silo, and the setting of outdoor unit 19 is solid
Due on the bracket of 23 outside bulkhead of silo.
Optionally, indoor units 1 are also connected with condensate pipe, and the condensed water that condensate pipe is used to generate indoor units is arranged
Out outside silo 23.
As shown in Fig. 2, indoor units 1 include indoor unit body, return air filter 3, evaporator 4, pressure fan 5, air outlet
6, homogenating plate 7, device for drying and filtering 8, electric expansion valve 9, temperature sensor 11.As shown in figure 3, machine indoors is arranged in air outlet 6
On body, pressure fan 5, homogenating plate 7, evaporator 4, return air filter 3 are disposed in indoor unit body.Pressure fan 5 is opposite
Air outlet 6.
Device for drying and filtering 8, electric expansion valve 9, the setting of temperature sensor 11 are indoors in machine body.
Optionally, air outlet 6 is ball diffuser.The quantity of air outlet 6 determine according to actual needs, such as indoor units
1 includes 3 air outlets 6.
When indoor units 1 are run, pressure fan 5, evaporator 4 work, and wind is sent into grain from air outlet 6 by the rotation of pressure fan 1
In storehouse 22, wind in silo 22 is back into indoor units 1, by return air filter 3, evaporator 4, then the work in pressure fan 5
It goes out to enter in silo 22 from air outlet 6 by homogenating plate 7 with lower.
Temperature sensor 11 is arranged at evaporator 4.Optionally, temperature sensor 11 is arranged in 4 air inlet of evaporator.
It should be noted that the arrow in Fig. 1, Fig. 3 and Fig. 4 indicates airflow direction；Hollow arrow in Fig. 2 indicates air-flow
Direction, the filled arrows in Fig. 2 indicate the flow direction of refrigerating fluid.
As shown in Fig. 2, outdoor unit 19 is cold including outdoor unit body, dual-pressure controller 12, refrigeration compressor 14, water cooling
Condenser 15, cooling water shut-off valve 16, vapour liquid separator 17, control cabinet 18, water-cooling electric regulating valve 20, cooling water flow switch 22
With shut-off valve 21.The outlet of vapour liquid separator 17 is connect by pipeline with refrigeration compressor 14；The outlet of refrigeration compressor 14 with
The import of water-cooled condenser 15 connects；Water-cooled condenser 15 is connect with two cooling water shut-off valves 16 respectively by pipeline, water cooling
Be connected with cooling water electric control valve 20 between condenser 15 and a cooling water shut-off valve 16, water-cooled condenser 15 and another
Cooling water flow switch 22 is connected between cooling water shut-off valve 16, a control water outlet of cooling water shut-off valve 16, another is cold
But the control of water shut-off valve 16 is intake, and cooling water used in water-cooled condenser 15 is pumped by water pump outside machine.
Optionally, water-cooled condenser 15 is shell-and-tube cooler, the two sides setting of the shell-and-tube heat exchanger of water-cooled condenser 15
There is maintenance door, it is convenient that lid cleaning is torn open to water-cooled condenser 15.
Dual-pressure controller 12, refrigeration compressor 14, water-cooled condenser 15, cooling water shut-off valve 16, vapour liquid separator 17,
Controller case 18, cooling water electric control valve 20, shut-off valve 21 are arranged in outdoor unit body, as shown in Figure 2 and Figure 5.
Cooling water shut-off valve 16 is for overhauling and turning off cooling water when installing.Cooling water electric control valve 20 is used for according to cold
Solidifying pressure adjusts cooling water inflow.Cooling water flow switch 22 is for protecting outdoor unit in low discharge.
The import of the vapour liquid separator 17 of outdoor unit 19 is connect by pipeline with the import of the evaporator 4 of indoor units 1,
Shut-off valve 21 is connected on pipeline before the water-cooled condenser 15 of outdoor unit 19 and the evaporator 4 of indoor units 1.
The outlet of the water-cooled condenser 15 of outdoor unit 19 is connect by pipeline with the import of the evaporator 4 of indoor units 1,
Shut-off valve 21, device for drying and filtering 8 and electric expansion valve 9 are provided on pipeline between water-cooled condenser 15 and evaporator 4.
The shutdown of pipeline when shut-off valve 21 is used to overhaul and install.
Outdoor unit 19 further includes charging valve 13, and the pipeline of the import connection of vapour liquid separator 17 is arranged in charging valve 13
On.Charging valve 13 is for filling refrigerating fluid.
The dual-pressure controller 12 of outdoor unit 19 is arranged between the import and outlet of refrigeration compressor 14.It is just voltage-controlled
Device 12 processed is for limiting high-voltage value and low voltage value, it is ensured that the operational safety of air-conditioner set.
Master controller 18a, the temperature of master controller 18a and indoor units 1 are provided in the control cabinet 18 of outdoor unit 19
Sensor 11, electric expansion valve 8 connect.The temperature sensor 11 of indoor units 1 acquires the temperature of evaporator 4 and is sent to outdoor
The master controller 18a of unit 19, master controller 18a control the aperture of electric expansion valve 8 according to the temperature of the evaporator 4 received.
In one example, the controller 18a in control cabinet 18 is the controller of Carel brand, CPPB006DS0 model.
Control cabinet 18 can control opening or closing for the bulk hopper grain face Water cooled air conditioners unit, the bulk hopper grain face
Power supply line and control line are provided in Water cooled air conditioners unit, the master controller 18a in control cabinet 18 with it is each in outdoor unit 19
Various pieces in a part, indoor units 1 are connected by control line, power supply line, which is those skilled in the art
The known prior art, therefore not to repeat here for the utility model.
Temperature can be set in 15 DEG C by the master controller 18a in control cabinet 18, relative humidity setting is being less than
65%, under such temperature and humidity, the grain moisture content in bulk hopper keeps balance.It is detected back in temperature sensor 11
When air temperature is 15 DEG C to 16 DEG C, the cooling water electric control valve 20 and refrigeration compressor 14 of outdoor unit 19 are automatically opened, is made
Cooling system is opened；When temperature sensor 11 detects that return air temperature is 14 DEG C to 15 DEG C, the system of outdoor unit 19 is automatically closed
Cold compressor 14 and turn cooling water electric control valve 20 down.The control logic and program of the part are known to those skilled in the art
The prior art, therefore not to repeat here for the utility model.
At runtime, the return air in silo 23 enters the room unit 1, return air warp to the bulk hopper grain face Water cooled air conditioners unit
Return air filter 3 is crossed, using evaporator 4, evaporator 4 carries out cool-down dehumidification to return air and handles to obtain cold dry air, cold dry sky
Gas enters in silo 23 after being sent into ball diffuser 6 by pressure fan 5 again；Cold dry air and 24 top damp-heat air of grain heap in bulk are handed over
After changing, temperature humidity increases, and in return air into indoor units 1, so recycles.Refrigeration in this cyclic process, in evaporator 4
Agent liquid evaporates after the heat for absorbing return air, becomes refrigerant low-pressure low-temperature steam, refrigerant low temperature and low pressure steam is along pipeline
Into in the vapour liquid separator 17 of outdoor unit 19, vapour liquid separator 17 separates the liquid in refrigerant low temperature and low pressure steam,
Refrigerant low temperature and low pressure steam after separation liquid enters refrigeration compressor 14, and is compressed to high temperature and high pressure steam and enters water cooling
Cooling water is pumped into water-cooled condenser 15 by condenser 15, the outer water pump of machine, and high temperature and high pressure steam is cooling in water-cooled condenser 15
After become high pressure refrigerant liquid and flow out, high pressure refrigerant liquid flows through device for drying and filtering 8, device for drying and filtering 8 by pipeline
The moisture and impurity in high pressure refrigerant liquid are removed, high pressure refrigerant liquid is by electric expansion valve 9, by the high compacting of throttling
Cryogen liquid becomes low pressure refrigerant liquid and enters in evaporator 4, and the refrigerant liquid in evaporator 4 is after the heat for absorbing return air
Evaporation so recycles.
Since dust is larger when bulk grain passes in and out silo, the use function of unit will affect；The bulk grain when insect pest situation is serious
Storehouse usually requires that phosphine gas is used to be fumigated as insecticide, and hydrogen phosphide has serious corruption to copper and Cu alloy material
Erosion effect, can corrode motor, the electric material of evaporator in indoor units, pressure fan, reduce the service life of unit, therefore
The indoor units of the bulk hopper grain face air cooled heat pump are additionally provided with return air sealing plate 2 and air outlet sealing plate 10, such as Fig. 2 institute
Show.When bulk grain warehouse entry or bulk grain export or when being fumigated to bulk grain, by return air sealing plate 2 be arranged in evaporator 4 into
The outside of air outlet 6 is arranged in air outlet sealing plate 10 by wind side, prevents dust or phosphine gas from causing to indoor units unfavorable
It influences.
When bulk hopper grain face air cooled heat pump operation, return air sealing plate 2 and air outlet sealing plate 10 are removed.
Optionally, the evaporator 4 of indoor units uses full aluminum material, can prevent the corrosion of phosphine gas.
It should be understood that each portion is purchased or made to the utility model by the model, specification and technical parameter of main component
Part assembles equipment by associated specifications of the country to similar unit, configure corresponding pipeline, the corresponding control route of installation and
Control element is made corresponding debugging and test after the bulk hopper grain face air cooled heat pump is completed, is transported after test passes
Transport to bulk hopper installation, condensing water conduit, power supply and control system is mating be installed after it is i.e. usable.
Above-mentioned the utility model embodiment serial number is for illustration only, does not represent the advantages or disadvantages of the embodiments.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all practical at this
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (6)
1. a kind of bulk hopper grain face Water cooled air conditioners unit, which is characterized in that including indoor units and outdoor unit, the interior
The top of grain heap in bulk in warehouse is arranged in unit, and the outside of the warehouse is arranged in the outdoor unit；
The indoor units include indoor unit body, return air filter, evaporator, pressure fan, air outlet, homogenating plate, dried
Filter, electric expansion valve, temperature sensor；The air outlet is arranged on the indoor unit body, in the indoor unit body
It is disposed with pressure fan, homogenating plate, evaporator, return air filter；
The outdoor unit includes outdoor unit body, dual-pressure controller, refrigeration compressor, water-cooled condenser, cooling water shutdown
Valve, vapour liquid separator, control cabinet, shut-off valve, cooling water electric control valve, cooling water flow switch；The vapour liquid separator
Outlet is connected by the import of pipeline and refrigeration compressor, and the outlet of the refrigeration compressor and the import of water-cooled condenser connect
It connects；The water-cooled condenser is connect with two cooling water shut-off valves respectively by pipeline, the water-cooled condenser and a cooling
It is connected with cooling water electric control valve between water shut-off valve, is connected between the water-cooled condenser and another cooling water shut-off valve
There is cooling water flow switch；
The import of the vapour liquid separator is connect by pipeline with the outlet of the evaporator of indoor unit unit, the vapour liquid separator
Shut-off valve is provided on pipeline between the evaporator；
The outlet of the water-cooled condenser is connect by pipeline with the import of the evaporator of indoor unit unit, the water-cooled condenser
Shut-off valve, device for drying and filtering and electric expansion valve are provided on pipeline between the evaporator.
2. bulk hopper grain face Water cooled air conditioners unit according to claim 1, which is characterized in that the indoor units are also wrapped
Include return air sealing plate and air outlet sealing plate；
When bulk grain warehouse entry or bulk grain export or to bulk grain to it is stifling when, by the return air sealing plate be arranged in the evaporator
Inlet side, the air outlet sealing plate is arranged in the outside of the air outlet.
3. bulk hopper grain face Water cooled air conditioners unit according to claim 1, which is characterized in that the air outlet is spherical shape
Air outlet.
4. bulk hopper grain face Water cooled air conditioners unit according to claim 1, which is characterized in that the temperature sensor is set
It sets at the evaporator.
5. bulk hopper grain face Water cooled air conditioners unit according to claim 1, which is characterized in that setting in the control cabinet
There is master controller, the master controller is connect with the temperature sensor, the electric expansion valve；
The dual-pressure controller is arranged between the inlet and outlet of the refrigeration compressor.
6. bulk hopper grain face Water cooled air conditioners unit according to claim 1, which is characterized in that the outdoor unit is also wrapped
Charging valve is included, the charging valve is arranged on the pipeline of import connection of the vapour liquid separator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920232037.5U CN209639179U (en) | 2019-02-22 | 2019-02-22 | Bulk hopper grain face Water cooled air conditioners unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920232037.5U CN209639179U (en) | 2019-02-22 | 2019-02-22 | Bulk hopper grain face Water cooled air conditioners unit |
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| CN209639179U true CN209639179U (en) | 2019-11-15 |
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| CN201920232037.5U Active CN209639179U (en) | 2019-02-22 | 2019-02-22 | Bulk hopper grain face Water cooled air conditioners unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113335780A (en) * | 2021-05-19 | 2021-09-03 | 滁州欣发食品有限公司 | Food additive storage device with dampproofing function |
-
2019
- 2019-02-22 CN CN201920232037.5U patent/CN209639179U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113335780A (en) * | 2021-05-19 | 2021-09-03 | 滁州欣发食品有限公司 | Food additive storage device with dampproofing function |
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