CN207035756U - A kind of heat-pump dehumidification drying device - Google Patents
A kind of heat-pump dehumidification drying device Download PDFInfo
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- CN207035756U CN207035756U CN201720879896.4U CN201720879896U CN207035756U CN 207035756 U CN207035756 U CN 207035756U CN 201720879896 U CN201720879896 U CN 201720879896U CN 207035756 U CN207035756 U CN 207035756U
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- 238000001035 drying Methods 0.000 title claims abstract description 48
- 238000007791 dehumidification Methods 0.000 title claims abstract description 32
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 52
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000007788 liquid Substances 0.000 claims abstract description 8
- 238000007599 discharging Methods 0.000 claims abstract description 4
- 238000012806 monitoring device Methods 0.000 claims description 20
- 238000009826 distribution Methods 0.000 claims description 10
- 239000000428 dust Substances 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 4
- 239000008187 granular material Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 abstract description 13
- 230000000694 effects Effects 0.000 abstract description 6
- 238000000605 extraction Methods 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 31
- 239000000126 substance Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000001914 filtration Methods 0.000 description 3
- 238000002309 gasification Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002045 lasting effect Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- LVGUZGTVOIAKKC-UHFFFAOYSA-N 1,1,1,2-tetrafluoroethane Chemical compound FCC(F)(F)F LVGUZGTVOIAKKC-UHFFFAOYSA-N 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 238000000935 solvent evaporation Methods 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
Landscapes
- Drying Of Solid Materials (AREA)
Abstract
The utility model discloses a kind of heat-pump dehumidification drying device, including a gas circulation line and a recycle heat pipeline, the gas circulation line is connected in sequence by a band drier, a filter, a condenser, an evaporator, a primary heater, a secondary heater and a return fan, also connected between condenser and primary heater by being built-in with the pipeline liquid injecting device of condensing agent, evaporator is provided with a circulating line and a drainpipe for discharging condensed water, and secondary heater is provided with a circulating line；The recycle heat pipeline is connected in sequence by the circulating line of the evaporator, a compressor, the circulating line of the secondary heater, a condensing agent receiver and an expansion valve, and the recycle heat pipeline is built-in with condensing agent.During work, the steam of material discharge circulates drying in gas circulation line, and effect on moisture extraction is good and the condensed water of discharge is environmentally safe；Recycle heat pipeline can save the energy to heat reuse simultaneously.
Description
Technical field
It the utility model is related to removal moisture drying technical field, more particularly to a kind of heat-pump dehumidification drying device.
Background technology
The various operations for referring to removing moisture or other hygroscopic waters from wet stock are dried, dry purpose makes material be easy to store
Deposit, transport and use, or meet the needs being processed further, drying process is widely used in chemical industry, food, light industry, weaving, coal
Charcoal, agriculture and forestry product processing and all departments such as building materials, moist material is such as placed under sunlight exposure to remove water in daily life
Point, the moisture in vapor, industrial gasses or organic liquid industrially is removed with silica gel, lime, concentrated sulfuric acid etc., or in chemical industry
Heat wet solid material with hot-air, flue gas and infrared ray etc. in production, make moisture contained therein or solvent evaporation and
Remove etc..
For dry technology, it is recognized that there is three big targets：Ensure product quality, environment is not polluted, saved.Above-mentioned biography
Although system dry technology can reach the purpose of removal moisture drying, " ensure product quality, do not pollute, save to environment "
Also there are many shortcomings in this three aspect, some chemical driers or dry environment may cause the product of material such as in dehumidification process
Matter reduces；Or some chemical pollutants can be discharged when drying, easily cause environmental pollution；Also or in the drying process produce
Thermal loss or waste serious, cause energy waste.
In consideration of it, it is good, pollution-free and can be abundant to caused heat in heating process to need to develop a kind of effect on moisture extraction
The heat-pump dehumidification drying device of recycling.
Utility model content
It is good, pollution-free and can be to heated that technical problem to be solved in the utility model is to provide a kind of effect on moisture extraction
The heat-pump dehumidification drying device that caused heat fully recycles in journey.
In order to solve the above-mentioned technical problem, the utility model discloses following technical scheme：A kind of heat-pump dehumidification dries dress
Put, including a gas circulation line and a recycle heat pipeline, the gas circulation line pass through a band drier, a filtering
Device, a condenser, an evaporator, a primary heater, a secondary heater and a return fan are connected in sequence, wherein,
Also connected between condenser and primary heater by being built-in with the pipeline liquid injecting device of condensing agent, evaporator is provided with a circulating line
And a drainpipe for discharging condensed water, secondary heater are provided with a circulating line；The recycle heat pipeline passes through institute
State circulating line, a compressor, the circulating line of the secondary heater, a condensing agent receiver and an expansion valve for evaporator
It is connected in sequence, the recycle heat pipeline is built-in with condensing agent.
Its further technical scheme is：The filter includes a first filter and one second filter, gas according to
It is secondary by first filter, the second filter to remove dust granules therein.
Its further technical scheme is：One is also associated with pipeline between secondary heater and the condensing agent receiver
Radiator, the radiator are used for the condensing agent radiating and cooling in the recycle heat pipeline.
Its further technical scheme is：One point is additionally provided with gas piping between the band drier and filter
Flow tube road, the distribution pipeline connect with the secondary heater, and the distribution pipeline is provided with one and is used to control inflow isocon
First valve of road gas flow；The entrance pipe of the filter is provided with one and is used to control the inflow filter gas
Second valve of body flow.
Its further technical scheme is：Device has one first temperature monitoring on the moisture outlet pipeline of the band drier
Device and a humidity detection device, the temperature and humidity of steam in the moisture outlet pipeline for detecting the band drier.
Its further technical scheme is：A second temperature monitoring device and one are provided with the entrance pipe of the return fan
First pressure control device, the temperature and pressure of gas in the entrance pipe for detecting the return fan.
Its further technical scheme is：A second pressure monitoring device is provided with the export pipeline of the return fan, is used
The pressure of gas in the export pipeline for detecting the return fan.
Its further technical scheme is：A pressure drop monitoring device is provided with the filter, for detecting the mistake
The pressure difference of gas in the air inlet of filter device and gas outlet.
Its further technical scheme is：One the 3rd device for detecting temperature and one are provided with the entrance pipe of the compressor
3rd pressure monitoring device, the temperature and pressure of condensing agent in the entrance pipe for detecting the compressor.
Its further technical scheme is：One the 4th device for detecting temperature and one the 4th are provided with the condensing agent receiver
Pressure monitoring device, for detecting the temperature and pressure of condensing agent in the condensing agent receiver.
Advantageous effects of the present utility model are：The heat-pump dehumidification drying device by band drier, filter,
The gas circulation line that condenser, evaporator, primary heater, secondary heater and return fan connect carries out removal moisture drying, thing
The steam of material discharge constantly circulates in the gas circulation line, and removal moisture drying effect is good, and without adding in dehumidification process
Some other chemical driers etc., steam are condensed into water discharge in evaporator, and effluent is only condensed water, in the absence of contaminative
Material, it is environmentally safe；Meanwhile the heat-pump dehumidification drying device also passes through evaporator, compressor, secondary heater, condensation
Agent receiver and expansion valve connect the recycle heat pipeline to be formed and carry out heat reuse, save the energy.
Brief description of the drawings
Fig. 1 is that the structural diagrams of the embodiment of the utility model one are intended to.
Embodiment
In order to more fully understand technology contents of the present utility model, with reference to schematic diagram to technical side of the present utility model
Case is further described and illustrated, but is not limited to this.
As shown in figure 1, in the utility model, the heat-pump dehumidification drying device includes a gas circulation line and a heat
Circulation line, gas circulation line are condensed by a band drier 10, a first filter 11, one second filter 12, one
Device 13, an evaporator 14, a primary heater 15, a secondary heater 16 and a return fan 17 are connected in sequence, wherein, it is cold
Also connected between condenser 13 and primary heater 15 by being built-in with the pipeline liquid injecting device 125 of condensing agent, evaporator 14 is provided with one
Circulating line and a drainpipe 141 for discharging condensed water, secondary heater 16 are provided with a circulating line；Recycle heat pipe
Road by the circulating line of evaporator 14, a compressor 20, the circulating line of secondary heater 16, a condensing agent receiver 21 and
One expansion valve 22 is connected in sequence, and the recycle heat pipeline is built-in with condensing agent.
, wherein it is desired to the material device being dried is on band drier 10, and in the present embodiment, band drier 10
Material is placed using Multi-layer belt type drying machine 10, certainly, in some other preferred embodiment, can also use single-stage belt type dry
Dry machine, multilevel belt type drying machine 10 or impact type band drier 10 etc..In addition, by the filter 12 of first filter 11 and second
The filter of composition is mainly used in removing the dust granules in the steam discharged from band drier 10, avoids its plugging machine
Device, influence machine normal work.In the present embodiment, first filter 11 uses a low efficient filter, and it is to particle diameter >=5.0 μm
The filter efficiency of dust be 90 ＞ E >=70%；Second filter 12 is adopted as high-medium efficient filter, and it is to particle diameter >=1.0 μm
The filter efficiency of dust be 90 ＞ E >=75%, after two layers of filtering, the dust in steam can be removed totally substantially.At it
In his some preferred embodiments, the filter that more levels can be designed according to actual conditions is filtered, or can be selected not
With the other filter of filtration grade.
In the present embodiment, evaporator 14 uses surface-type heat exchanger with secondary heater 16, wherein, gas circulating tube
Gas in road is from the circulating line outer wall of evaporator 14 and secondary heater 16 by and with evaporator 14 and secondary heater
The condensing agent flowed through in 16 circulating line carries out heat exchange.
As shown in figure 1, during specific works, compressor 20, which works, makes the condensing agent heating in recycle heat pipeline gasify, high
Warm condensing agent enters secondary heater 16 and transfers heat to the air in secondary heater 16 and form high temperature air, in return air
In the presence of machine 17, high temperature air, which is flowed into band drier 10, causes the heated discharge moisture therein of material to form high-temperature water
Vapour, superheated vapor passes sequentially through first filter 11, the second filter 12 enters in condenser 13 after carrying out dedusting, superheated vapor
The condensing agent that can transfer heat in the pipeline liquid injecting device 125 being connected between condenser 13 and primary heater 15 and dropped
Temperature, then steam go successively to evaporator 14 and further cool, now cooling can condense more moisture, and condensed water passes through
Drainpipe 141 in evaporator 14 is discharged, and is entered after the condensing agent endothermic gasification in pipeline liquid injecting device 125 in primary heater 15
To heat the gas that primary heater 15 is flowed into after cooling in evaporator 14, then gas is entered back into secondary heater 16
Further heat drying back flows back into band drier 10 to continue to take out of the moisture in material will pass through return fan 17, so
Iterative cycles can carry out removal moisture drying to material in band drier 10.Wherein, followed for the condensing agent in guarantee pipeline liquid injecting device 125
Ring is unobstructed, and the fixed position of condenser 13 is generally arranged at slightly below on the position of primary heater 15, in this way, condensing agent is cold
Heat release in primary heater 15 is risen in condenser 13 after endothermic gasification, and is back in primary heater 15 after exothermic condensation
Circulation heat absorption in condenser 13.
In order to avoid the waste of heat, the utility model recycles heat by recycle heat pipeline, as shown in figure 1,
During specific works, condensing agent that the superheated vapor in evaporator 14 is transferred heat in recycle heat pipeline, condensing agent heat absorption
Enter compressor 20 after heating gasification, the work of compressor 20 makes condensing agent enter secondary heater 16, high temperature after further heating up
Condensing agent heat transfer therein given in secondary heater 16 flow through the gas of secondary heater 16, it is cold after condensing agent heat release
But enter condensing agent receiver 21 afterwards, then pass through expansion valve 22 and carry out expansion decompression cooling to enter evaporator 14, then
The heat in superheated vapor is absorbed in evaporator 14 again, is so circulated to realize the recycling of heat.
In some other preferred embodiment, also connect on the pipeline between secondary heater 16 and condensing agent receiver 21
A radiator is connected to, the radiator is used for the condensing agent radiating and cooling in recycle heat pipeline so that receive into condensing agent
The condensing agent of device 21 is in low-temperature condition, is advantageous to the lasting progress of heat recovery.
It is limited in view of heat-pump dehumidification drying device disposal ability, to ensure device more steady operation, band drier
A distribution pipeline is additionally provided with gas piping between 10 and filter, the distribution pipeline connects with secondary heater 16, and
The distribution pipeline is provided with one and is used to control the first valve 18 for flowing into distribution pipeline gas flow；The entrance pipe of filter
It is provided with second valve 19 for being used to control inflow filter gas flow.In this way, it will can be come out from band drier 10
Steam shunted, wherein, be directly entered by the steam of the first valve 18 in secondary heater 16 and carry out heat cycles, so
Circulate to flow into band drier 10 by return fan 17 afterwards and take the moisture in material out of；And pass through the second valve 19 steam according to
It is secondary to pass through first filter 11, the second filter 12, condenser 13, evaporator 14, primary heater 15 and secondary heater 16,
Dust granules, moisture in steam etc. are removed substantially so that the gas into return fan 17 is dry dustless.Work as belt drying
When the steam that machine 10 comes out is larger, bypassing circulation dehumidifying is carried out to steam can ensure that device work is more steady, avoid the first mistake
Filter 11, the second filter 12, condenser 13, evaporator 14, primary heater 15 and secondary heater 16 can not be handled simultaneously
Complete substantial amounts of steam.During real work, drying can be made according to the switch for being actually needed the first valve 18 of control and the second valve 19
Removal moisture drying is more efficient.
In the present embodiment, low-temperature environment-friendly refrigerant R134a during condensing agent uses.Certainly, in some other embodiment,
Suitable condensing agent can be selected according to the characteristics of the needs and condensing agent of actual process.
In some preferred embodiments, device has one first temperature monitoring on the moisture outlet pipeline of band drier 10
The humidity detection device 102 of device 101 and one, band can detect that by the first device for detecting temperature 101 and humidity detection device 102
The temperature level and humidity size of steam in formula drying machine 10 out, user can adjust according to the temperature level and humidity size
The running parameter of related device in the heat-pump dehumidification drying device is saved, such as adjusts compressor 20, return fan 17 or expansion valve 22
Operating power, to reach the purpose of removal moisture drying.
In some preferred embodiments, a second temperature monitoring device 171 is provided with the entrance pipe of return fan 17
And a first pressure control device 172, user can pass through second temperature monitoring device 171 and first pressure control device 172
The temperature level and pressure size for the gas that solution enters in return fan 17, so that user adjusts phase in the heat-pump dehumidification drying device
Close the running parameter of device.
In some preferred embodiments, a second pressure monitoring device 173 is provided with the export pipeline of return fan 17,
User can understand the pressure size of the outlet gas of return fan 17 by second pressure monitoring device 173, so that user's regulation should
The running parameter of related device in heat-pump dehumidification drying device.
A pressure drop monitoring device 112 is provided with some preferred embodiments, on filter, the pressure drop monitoring device
112 to detect the pressure difference of gas in the air inlet of the filter and gas outlet, and user judges according to the pressure change
Whether filter blocks, and when the pressure difference of gas in air inlet and gas outlet is excessive, illustrates that blocking occurs in filter,
User needs cleaning filter in time, so as to heat-pump dehumidification drying device normal work.
In some preferred embodiments, one the 3rd device for detecting temperature 201 is provided with the entrance pipe of compressor 20
And one the 3rd pressure monitoring device 202, user can pass through the 3rd device for detecting temperature 201 and the 3rd pressure monitoring device 202
The temperature level and pressure size for the condensing agent that solution enters in compressor 20, so that user is adjusted in the heat-pump dehumidification drying device
The running parameter of related device.
In some preferred embodiments, one the 4th device for detecting temperature 211 and one is provided with condensing agent receiver 21
4th pressure monitoring device 212, user can be understood cold by the 4th device for detecting temperature 211 and the 4th pressure monitoring device 212
The temperature level and pressure size of condensing agent in solidifying agent receiver 21, so that user adjusts phase in the heat-pump dehumidification drying device
Close the running parameter of device.
In scheme of the present utility model, the heat-pump dehumidification drying device passes through band drier 10, first filter 11,
Tow filtrator 12, condenser 13, evaporator 14, primary heater 15, secondary heater 16 and return fan 17 connect the gas formed
Body circulation pipeline carries out removal moisture drying, and the steam of material discharge is constantly circulated to be dried in the gas circulation line,
Drying effect is good；And need not be added in dehumidification process some be used for drying chemical substance, steam is condensed into evaporator 14
Water and flow out, it is environmentally safe；In addition, the heat-pump dehumidification drying device passes through evaporator 14, compressor 20, secondary heater
16th, the recycle heat pipeline that condensing agent receiver 21 and the connection of expansion valve 22 are formed carries out heat reuse, saves the energy.And second
The radiator connected between heater 16 and condensing agent receiver 21 can make the condensing agent in recycle heat pipeline sufficiently exothermic, have
Beneficial to the lasting progress of heat reuse.
It is that above-mentioned preferred embodiment should be regarded as application scheme embodiment for example, all with application scheme thunder
Same, approximation or the technology deduction made based on this, replacement, improvement etc., it is regarded as the protection domain of this patent.
Claims (10)
1. a kind of heat-pump dehumidification drying device, it is characterised in that described including a gas circulation line and a recycle heat pipeline
Gas circulation line passes through a band drier, a filter, a condenser, an evaporator, a primary heater, one second
Heater and a return fan are connected in sequence, wherein, also by being built-in with condensing agent between condenser and primary heater
Pipeline liquid injecting device connects, and evaporator is provided with a circulating line and a drainpipe for discharging condensed water, is set on secondary heater
There is a circulating line；The circulating line, a compressor, the secondary heater that the recycle heat pipeline passes through the evaporator
Circulating line, a condensing agent receiver and an expansion valve be connected in sequence, the recycle heat pipeline is built-in with condensing agent.
2. heat-pump dehumidification drying device according to claim 1, it is characterised in that the filter includes one first mistake
Filter and one second filter, gas pass sequentially through first filter, the second filter to remove dust granules therein.
3. heat-pump dehumidification drying device according to claim 1, it is characterised in that the secondary heater connects with condensing agent
Receive and be also associated with a radiator on the pipeline between device, the radiator is used for the condensing agent radiating in the recycle heat pipeline
Cooling.
4. heat-pump dehumidification drying device according to claim 1, it is characterised in that the band drier and filter
Between gas piping on be additionally provided with a distribution pipeline, the distribution pipeline connects with the secondary heater, and the distribution pipeline
One is provided with to be used to control the first valve for flowing into distribution pipeline gas flow；The entrance pipe of the filter is provided with one
The second valve of the filter gas flow is flowed into for controlling.
5. heat-pump dehumidification drying device according to claim 1, it is characterised in that the moisture outlet of the band drier
Device has one first device for detecting temperature and a humidity detection device on pipeline, and the steam for detecting the band drier goes out
The temperature and humidity of steam in mouth pipeline.
6. heat-pump dehumidification drying device according to claim 5, it is characterised in that set on the entrance pipe of the return fan
It is equipped with a second temperature monitoring device and a first pressure control device, gas in the entrance pipe for detecting the return fan
Temperature and pressure.
7. heat-pump dehumidification drying device according to claim 6, it is characterised in that set on the export pipeline of the return fan
A second pressure monitoring device is equipped with, the pressure of gas in the export pipeline for detecting the return fan.
8. heat-pump dehumidification drying device according to claim 7 a, it is characterised in that pressure is provided with the filter
Monitoring device drops, for detecting the air inlet of the filter and the pressure difference of gas in gas outlet.
9. heat-pump dehumidification drying device according to claim 8, it is characterised in that set on the entrance pipe of the compressor
One the 3rd device for detecting temperature and one the 3rd pressure monitoring device are equipped with, is condensed in the entrance pipe for detecting the compressor
The temperature and pressure of agent.
10. heat-pump dehumidification drying device according to claim 9, it is characterised in that set on the condensing agent receiver
There are one the 4th device for detecting temperature and one the 4th pressure monitoring device, for detecting the temperature of condensing agent in the condensing agent receiver
Degree and pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720879896.4U CN207035756U (en) | 2017-07-19 | 2017-07-19 | A kind of heat-pump dehumidification drying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720879896.4U CN207035756U (en) | 2017-07-19 | 2017-07-19 | A kind of heat-pump dehumidification drying device |
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| Publication Number | Publication Date |
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| CN207035756U true CN207035756U (en) | 2018-02-23 |
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| CN201720879896.4U Active CN207035756U (en) | 2017-07-19 | 2017-07-19 | A kind of heat-pump dehumidification drying device |
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| CN (1) | CN207035756U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107218790A (en) * | 2017-07-19 | 2017-09-29 | 深圳市捷晶能源科技有限公司 | A kind of heat-pump dehumidification drying device |
| CN108955217A (en) * | 2018-04-12 | 2018-12-07 | 佛山市高明区易海农业技术服务有限公司 | A kind of dry cooling process system of environmental protection |
-
2017
- 2017-07-19 CN CN201720879896.4U patent/CN207035756U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107218790A (en) * | 2017-07-19 | 2017-09-29 | 深圳市捷晶能源科技有限公司 | A kind of heat-pump dehumidification drying device |
| CN108955217A (en) * | 2018-04-12 | 2018-12-07 | 佛山市高明区易海农业技术服务有限公司 | A kind of dry cooling process system of environmental protection |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A heat pump dehumidification and drying device Effective date of registration: 20220325 Granted publication date: 20180223 Pledgee: Shenzhen small and medium sized small loan Co.,Ltd. Pledgor: SHENZHEN CRYSTAL ENERGY TECH Co.,Ltd. Registration number: Y2022440020030 |
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| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 518000, A1701-1704, Building 12, Shenzhen Bay Science and Technology Ecological Park, No. 18 Keji South Road, Gaoxin District, Yuehai Street, Nanshan District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Jiejing Technology Co.,Ltd. Country or region after: China Address before: 518000 zone B, floor 2, building A3, Shenzhen digital technology park, Gaoxin South 7th Road, high tech Zone South, Nanshan District, Shenzhen, Guangdong Province Patentee before: SHENZHEN CRYSTAL ENERGY TECH Co.,Ltd. Country or region before: China |
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