CN207375936U - A kind of tunnel sterilizing and drying machine - Google Patents
A kind of tunnel sterilizing and drying machine Download PDFInfo
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- CN207375936U CN207375936U CN201721333573.1U CN201721333573U CN207375936U CN 207375936 U CN207375936 U CN 207375936U CN 201721333573 U CN201721333573 U CN 201721333573U CN 207375936 U CN207375936 U CN 207375936U
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Abstract
A kind of tunnel sterilizing and drying machine including thermal-insulating body, heat-pump dehumidification drying device, dries vehicle, air-supply arrangement and air-returning device；One is provided in thermal-insulating body through its internal Drying tunnel, Drying tunnel is equipped with track, dries vehicle and is slidably mounted on track；Air-supply arrangement and air-returning device are installed on thermal-insulating body；Piecewise is provided with several heat-pump dehumidification drying devices in thermal-insulating body, and one end of heat-pump dehumidification drying device is connected by air-supply arrangement with Drying tunnel, and the other end is connected by air-returning device with Drying tunnel；Thermal-insulating body includes preheating section, pre-add hot arc and bringing-up section, and preheating section, pre-add hot arc and bringing-up section arrange in Drying tunnel successively；Preheating section, pre-add hot arc and bringing-up section are correspondingly provided with heat-pump dehumidification drying device respectively；The inner wall of the bringing-up section of thermal-insulating body is equipped with ultraviolet germicidal.The utility model proposes a kind of tunnel sterilizing and drying machine according to the above, and drying effect is good, can treat dried object and be sterilized.
Description
Technical field
The utility model is related to dry vehicle field more particularly to a kind of tunnel sterilizing and drying machine.
Background technology
Canal drier is to be widely used general drying equipment currently on the market, available for dried foods, vegetables, agricultural production
Multiple industries such as product, welding rod, chemical industry, Treatment of Sludge.Existing tunnel formula drying machine generally use steam, hot-blast stove or electrical heating for
Heat source using open hydrofuge mode, dries while takes away substantial amounts of heat, energy utilization rate is low, generally only 20-40%.It is existing
Some tunnel driers, drying effect is poor, and cannot treat dried object and carry out sterilization processing.
Utility model content
The purpose of this utility model is that proposing a kind of tunnel sterilizing and drying machine, drying effect is good, can treat dry
Dry object is sterilized.
For this purpose, the utility model uses following technical scheme：
A kind of tunnel sterilizing and drying machine including thermal-insulating body, heat-pump dehumidification drying device, baking vehicle, air-supply arrangement and returns
Wind apparatus；
One is provided in the thermal-insulating body through its internal Drying tunnel, the Drying tunnel is equipped with track,
The baking vehicle is slidably mounted on the track；
The air-supply arrangement and air-returning device are installed on the thermal-insulating body；
Piecewise is provided with several heat-pump dehumidification drying devices in the thermal-insulating body, the heat-pump dehumidification drying device
One end is connected by air-supply arrangement with the Drying tunnel, and the other end is connected by air-returning device with the Drying tunnel；
The thermal-insulating body include preheating section, pre-add hot arc and bringing-up section, the preheating section, pre-add hot arc and bringing-up section according to
It is secondary to be arranged in the Drying tunnel；
The preheating section, pre-add hot arc and bringing-up section are correspondingly provided with the heat-pump dehumidification drying device respectively；
The inner wall of the bringing-up section of the thermal-insulating body is equipped with ultraviolet germicidal.
Further, the outer wall of the thermal-insulating body is equipped with thermal insulation board, and the thermal insulation board is polyurethane PU composite insulation boards.
Further, heat-pump dehumidification drying device includes refrigeration section and drying section；
The refrigeration section include compressor, auxiliary condenser, condenser, liquid storage device, filter, expansion valve, evaporator,
Gas-liquid separator；
The compressor is connected by refrigerant tubing with auxiliary condenser；
The auxiliary condenser is connected by refrigerant tubing with condenser；
The condenser is connected by refrigerant tubing with high pressure flow container；
The liquid storage device is connected by refrigerant tubing with filter；
The filter is connected by refrigerant tubing with evaporator；
The evaporator is connected by refrigerant tubing with gas-liquid separator；
The gas-liquid separator is connected by refrigerant tubing with compressor, forms refrigeration cycle；
Auxiliary evaporator is provided between the expansion valve and evaporator, accessory fan is provided with by auxiliary evaporator；
Auxiliary condenser is provided with cooling water intake D and cooling water outlet C.
Further, the drying section includes condenser, evaporator and regenerator；
The hot side of intake stack B and regenerator connects；
The hot side of the regenerator is connected by wind pipeline with evaporator；
The wind pipeline and the cold side of regenerator that the evaporator comes out connect；
The wind pipeline that the regenerator cold side comes out is connected with condenser, and condenser is connected by wind turbine with air outlet A.
Further, the baking vehicle includes vehicle frame, bearer network, connects disk and wheel；
The bearer network have it is multiple, respectively up and down staggeredly and adjustable angle save land and be installed on the interior of the vehicle frame
Portion；
The bottom for connecing disk and being arranged on the vehicle frame；
The wheel is installed on the bottom of the vehicle frame；
The upper and lower ends of the bearer network are respectively feeding end and discharging end, under the higher bearer network of level height
Material end is located at the top of its next layer of bearer network, between the discharging end and the vehicle frame in the presence of material space.
Further, the vehicle frame bearer network is made of stainless steel.
Further, the surface of the bearer network scribbles anticorrosion material.
Further, the wheel is made of heat-resisting material.
Further, circulating fan is equipped in the thermal-insulating body.
The utility model proposes a kind of tunnel sterilizing and drying machine according to the above, and drying effect is good, can treat
Dried object is sterilized.
A kind of tunnel sterilizing and drying machine is for drying sludge, and during work, the baking vehicle is fully loaded with sludge to be dried, so
The other end is moved to from one end of the track of the in vivo Drying tunnel of the incubator afterwards, sludge is dried by the heat-pump dehumidification and filled
The dry-heat air for putting offer is dried up, to reach corresponding drought index.
Piecewise is provided with several heat-pump dehumidification drying devices, i.e., described preheating section, pre-add hot arc in the thermal-insulating body
It is correspondingly provided with the heat-pump dehumidification drying device respectively with bringing-up section, more convenient each heat-pump dehumidification drying device is torn open
Dress and repair.
It is formed when the heat-pump dehumidification drying device, air-supply arrangement and air-returning device three work and recycles dry-heat air
Effect, improve drying efficiency.The thermal-insulating body includes preheating section, pre-add hot arc and bringing-up section, and the baking vehicle first passes through institute
Preheating section is stated, carries out primary drying, using the pre-add hot arc, two level drying is carried out, finally enters bringing-up section, carry out three-level
Drying reaches corresponding drying index；The temperature of the bringing-up section is higher than the preheating section and pre-add hot arc, in the feelings of high temperature
Primary sterilization can be carried out under condition to sludge, meanwhile, the ultraviolet-sterilization lantern festival of the inner wall of the bringing-up section kills virus to sludge sterilization,
The bacterium in sludge is eliminated comprehensively.
Description of the drawings
Fig. 1 is the structure diagram of the one of embodiment of the utility model；
Fig. 2 is the structure diagram of the one of embodiment heat-pump dehumidification drying device of the utility model；
Fig. 3 is the structure diagram that the one of embodiment of the utility model dries vehicle；
Fig. 4 is the front view for the simplification that the one of embodiment of the utility model dries vehicle.
Wherein：Thermal-insulating body 1, preheating section 11, pre-add hot arc 12, bringing-up section 13, wind turbine 112, condenser 113, regenerator
115th, evaporator 117, accessory fan 119, heat-pump dehumidification drying device 2, auxiliary evaporator 210, compressor 213, auxiliary condensation
Device 214, liquid storage device 216, filter 217, expansion valve 218, gas-liquid separator 219, baking vehicle 3, vehicle frame 31, bearer network 32, feeding
End 3201, discharging end 3202, lower material space 3203, the first bearer network 32001, the second bearer network 32002, connect disk 33, wheel 34,
Air-supply arrangement 4, air-returning device 5.
Specific embodiment
Further illustrate the technical solution of the utility model below with reference to the accompanying drawings and specific embodiments.
As shown in Figures 1 to 4, a kind of tunnel sterilizing and drying machine, including thermal-insulating body 1, heat-pump dehumidification drying device 2,
Dry vehicle 3, air-supply arrangement 4 and air-returning device 5；
One is provided in the thermal-insulating body 1 through its internal Drying tunnel, the Drying tunnel is equipped with track,
The baking vehicle 3 is slidably mounted on the track；
The air-supply arrangement 4 and air-returning device 5 are installed on the thermal-insulating body 1；
Piecewise is provided with several heat-pump dehumidification drying devices 2, the heat-pump dehumidification drying device in the thermal-insulating body 1
2 one end is connected by air-supply arrangement 4 with the Drying tunnel, and the other end is connected by air-returning device 5 and the Drying tunnel
It connects；
The thermal-insulating body 1 includes preheating section 11, pre-add hot arc 12 and bringing-up section 13, the preheating section 11, pre-add hot arc
12 and bringing-up section 13 arranged successively in the Drying tunnel；
The preheating section 11, pre-add hot arc 12 and bringing-up section 13 are correspondingly provided with the heat-pump dehumidification drying device 2 respectively；
The inner wall of the bringing-up section 13 of the thermal-insulating body 1 is equipped with ultraviolet germicidal.
A kind of tunnel sterilizing and drying machine of the present embodiment is for drying sludge, and during work, the baking vehicle 3, which is fully loaded with, to be waited to do
Dry sludge, the form path for drying vehicle 3 is as shown in the arrow of horizontal direction in Fig. 1, and the vehicle that dries is from the thermal-insulating body 1
One end of the track of interior Drying tunnel is moved to the other end, the dry heat that sludge is provided by the heat-pump dehumidification drying device 2
Wind is dried up, to reach corresponding drought index.
Piecewise is provided with several heat-pump dehumidification drying devices 2 in the thermal-insulating body 1, i.e., described preheating section 11, pre-add
Hot arc 12 and bringing-up section 13 are correspondingly provided with the heat-pump dehumidification drying device 2 respectively, and more convenient each heat-pump dehumidification is done
The dismounting and repair of dry device 2.
It is formed when the heat-pump dehumidification drying device 2, air-supply arrangement 4 and 5 three of air-returning device work and recycles drying
The effect of hot wind improves drying efficiency.The thermal-insulating body 1 includes preheating section 11, pre-add hot arc 12 and bringing-up section 13, described
It dries vehicle 2 and first passes through the preheating section 11, carry out primary drying, using the pre-add hot arc 12, carry out two level drying, it is most laggard
Enter bringing-up section 13, carry out three-level drying, reach corresponding drying index；The temperature of the bringing-up section 13 is higher than the preheating section
11 and pre-add hot arc 12, primary sterilization can be carried out to sludge in the event of high temperatures, meanwhile, the inner wall of the bringing-up section 13
Ultraviolet-sterilization lantern festival kills virus to sludge sterilization, eliminates the bacterium in sludge comprehensively.
Further, the outer wall of the thermal-insulating body 1 is equipped with thermal insulation board, and the thermal insulation board is polyurethane PU complex heat-preservation
Plate.
The outer wall of the thermal-insulating body 1 is equipped with thermal insulation board, can farthest ensure in the thermal-insulating body 1
Heat is not lost in, and the thermal insulation board is polyurethane PU composite insulation boards, and good heat insulating ensures the drying effect of sludge.
Further, heat-pump dehumidification drying device 2 includes refrigeration section and drying section；
The refrigeration section includes compressor 213, auxiliary condenser 214, condenser 113, liquid storage device 216, filter
217th, expansion valve 218, evaporator 117, gas-liquid separator 219；
The compressor 213 is connected by refrigerant tubing with auxiliary condenser 214；
The auxiliary condenser 214 is connected by refrigerant tubing with condenser 113；
The condenser 113 is connected by refrigerant tubing with high pressure flow container 216；
The liquid storage device 216 is connected by refrigerant tubing with filter 217；
The filter 217 is connected by refrigerant tubing with evaporator 117；
The evaporator 117 is connected by refrigerant tubing with gas-liquid separator 210；
The gas-liquid separator 219 is connected by refrigerant tubing with compressor 213, forms refrigeration cycle；
Auxiliary evaporator 210 is provided between the expansion valve 218 and evaporator 117,210 side of auxiliary evaporator is set
There is accessory fan 119；
Auxiliary condenser 214 is provided with cooling water intake D and cooling water outlet C.
The specific work process of the workflow of refrigeration section 31 is as follows：Compressor plays high temperature and pressure overheated gas refrigerant
Enter auxiliary condenser and condenser (in parallel or series), refrigerant gas become saturation or subcooled liquid, through liquid storage device, filter
With formation low pressure gas, liquid mixture refrigerant after expansion valve, gas is entered after auxiliary evaporator and evaporator (in parallel or series)
Liquid/gas separator forms low-temp low-pressure overheated gas refrigerant, and high temperature and pressure overheated gas system is finally formed after compressor compresses
Cryogen so cycles, and achievees the effect that heat exchange is freezed.Vortex compressor, work may be employed in the compressor 213
Plug compressor, screw compressor；Scroll compressor is preferentially used for small unit.Height may be employed in liquid storage device 216
Press liquid storage device.Heating power or electric expansion valve may be employed in expansion valve 218, generally according to different refrigerant type selectings, high temperature mixing system
Cryogen should preferentially use electric expansion valve.Filter 217 is liquid refrigerant private filter.The purpose of gas-liquid separator 219
It is to prevent compressor from, into gas carrying liquid, causing liquid hammer and damaging compressor 213.Refrigerant tubing preferentially uses high-quality copper tube.System
Cryogen can be inorganic compound, fluoride pure refrigerant, hydrocarbon or mix refrigerant, be selected according to temperature requirements, temperature
Degree is preferential to select R22 refrigerants less than 55 DEG C；Temperature is less than 80 DEG C, selects R142b or R134a；Temperature is higher than 85 DEG C, selects
High temperature mix refrigerant.
Further, the drying section includes condenser 113, evaporator 117 and regenerator 115；
Intake stack B is connected with the hot side of regenerator 115；
The hot side of the regenerator 115 is connected by wind pipeline with evaporator 117；
The wind pipeline that the evaporator 117 comes out is connected with the cold side of regenerator 115；
The wind pipeline that 115 cold side of regenerator comes out is connected with by condenser 113, and condenser 113 passes through wind turbine 112
It is connected with air outlet A.
The course of work of dried medium flow is as follows：Air inlet B enters damp-heat air, through 115 hot side of plate-fin recuperator
Heat exchange cooling is carried out into plate-fin recuperator, is then further cooled down through evaporator 117 (condensation water is discharged from E) again, cooling
Air afterwards enters plate-fin recuperator through 115 cold side of plate-fin recuperator and carries out heat exchange heating, then condensed device 113 or
Auxiliary heater is heated to hot-air, most afterwards through wind turbine from air outlet A outlet air.
Further, the baking vehicle 3 includes vehicle frame 31, bearer network 32, connects disk 33 and wheel 34；
The bearer network 32 have it is multiple, respectively up and down staggeredly and adjustable angle save land and be installed on the vehicle frame 31
It is internal；
The bottom for connecing disk 33 and being arranged on the vehicle frame 31；
The wheel 34 is installed on the bottom of the vehicle frame 31；
The upper and lower ends of the bearer network 32 are respectively feeding end 3201 and discharging end 3202, higher described of level height
The discharging end 3202 of bearer network 32 is located at the top of its next layer of bearer network 3201, the discharging end 3202 and the vehicle
Material space 3203 in the presence of between frame 31.
The baking vehicle 3 can realize quick loading and unloading, and sludge to be dried is directly from the bearer network 32 of top
3201 feeding of feeding end, due to the bearer network 32 have it is multiple, and respectively up and down staggeredly and adjustable angle saves land installation
In the inside of the vehicle frame 31, sludge can first concentrate on the bearer network 32 of top, when the amount of sludge reach centainly into when,
Sludge can drop down onto the feeding end of its next layer of bearer network 32 under the discharging end 3202 of the bearer network 32 of top
3201, and so on, each layer of the bearer network 32 is all paved with sludge, material-uploading style here is more efficient and convenient；Institute
Material space 3203 in the presence of stating between discharging end 3202 and the vehicle frame 31, be in order to sludge can more it is quick successfully from
The feeding end 3201 of its next layer of bearer network 32 is dropped down onto under the discharging end 3202 of the bearer network 32 of last layer.
After every layer of bearer network 32 is all paved with sludge, the inside dried vehicle and enter to canal drier carries out
Drying sludge.High-temperature hot-air blows to each bearer network 32, for example, in the present embodiment, by the bearer network 32 of top
The first bearer network 32001 is named into, its next layer described bearer network 32 is named as the second bearer network 32002；Described first
The windward side of the lower surface of bearer network 32001, the upper surface of second bearer network 32002 is windward side；When dry-heat air is straight
When connecing the upper surface of the lower surface for head-on blowing to first bearer network 32001 and second bearer network 32002, this is most
Directly sludge thereon is dried, realizes level-one drying；Meanwhile the dirt of the upper surface of second bearer network 32002
Mud can also change the wind direction of dry-heat air, and the parallel dry-heat air for blowing to its upper surface is made vertically to blow to first carrying
The lower surface of net 32001 makes sludge on first bearer network 32001 as drying, preferably using dry-heat air, further
Improve dry efficiency.
Since the humidity of sludge is different, if each bearer network 32 is all in identical angle, then, they carry
What the amount of sludge differed widely, by adjusting the angle of each bearer network 32, each described bearer network 32 can be made
Most sludge is carried, so as to improve dry efficiency.Existing dryer is to carry sludge using plate, and the utility model is used
The benefit of bearer network 32 is that countless apertures is equally spacedly distributed with thereon, is more conducive to dry-heat air and blows to sludge, drying efficiency
With effect all more preferably；And if carrying sludge using plate, dry-heat air is unfavorable for blowing to the sludge positioned at plate bottom, dry effect
Fruit is poor.
Further, the vehicle frame bearer network 32 is made of stainless steel.
Sludge contains moisture, carries sludge using stainless steel bearer network 32, can avoid its phenomenon of getting rusty, uses
Service life is stronger.
Further, the surface of the bearer network 32 scribbles anticorrosion material.
The bearer network 32 is further protected, avoids bearer network 32 described in the aqueous corrosion in sludge.
Further, the wheel 34 is made of heat-resisting material.
When being worked due to drying machine, internal temperature is high, dries vehicle in the internal operation of drying machine, the wheel 34 is in-orbit
It walks on road, the wheel 34 and track Long Term Contact, extreme temperatures are made using heat-resisting material, can increase its use
Service life.
Further, circulating fan is equipped in the thermal-insulating body 1.
The circulating fan is set so that the high-temperature dry air in the incubator 1 can circulate, more efficiently
Utilize its heat so that the drying effect of sludge is more preferable.
The technical principle of the utility model is described above in association with specific embodiment.These descriptions are intended merely to explain this reality
With new principle, and the limitation to scope of protection of the utility model cannot be construed in any way.Based on explanation herein,
Those skilled in the art would not require any inventive effort the other specific embodiments that can associate the utility model,
These modes are fallen within the scope of protection of the utility model.
Claims (9)
1. a kind of tunnel sterilizing and drying machine, it is characterised in that：Including thermal-insulating body, heat-pump dehumidification drying device, dry vehicle, air-supply
Device and air-returning device；
One is provided in the thermal-insulating body through its internal Drying tunnel, the Drying tunnel is equipped with track, described
Vehicle is dried to be slidably mounted on the track；
The air-supply arrangement and air-returning device are installed on the thermal-insulating body；
Piecewise is provided with several heat-pump dehumidification drying devices, one end of the heat-pump dehumidification drying device in the thermal-insulating body
It is connected by air-supply arrangement with the Drying tunnel, the other end is connected by air-returning device with the Drying tunnel；
The thermal-insulating body includes preheating section, pre-add hot arc and bringing-up section, and the preheating section, pre-add hot arc and bringing-up section exist successively
It is arranged in the Drying tunnel；
The preheating section, pre-add hot arc and bringing-up section are correspondingly provided with the heat-pump dehumidification drying device respectively；
The inner wall of the bringing-up section of the thermal-insulating body is equipped with ultraviolet germicidal.
2. a kind of tunnel sterilizing and drying machine according to claim 1, it is characterised in that：The outer wall peace of the thermal-insulating body
Equipped with thermal insulation board, the thermal insulation board is polyurethane PU composite insulation boards.
3. a kind of tunnel sterilizing and drying machine according to claim 1, it is characterised in that:Heat-pump dehumidification drying device includes
Refrigeration section and drying section；
The refrigeration section includes compressor, auxiliary condenser, condenser, liquid storage device, filter, expansion valve, evaporator, gas-liquid
Separator；
The compressor is connected by refrigerant tubing with auxiliary condenser；
The auxiliary condenser is connected by refrigerant tubing with condenser；
The condenser is connected by refrigerant tubing with high pressure flow container；
The liquid storage device is connected by refrigerant tubing with filter；
The filter is connected by refrigerant tubing with evaporator；
The evaporator is connected by refrigerant tubing with gas-liquid separator；
The gas-liquid separator is connected by refrigerant tubing with compressor, forms refrigeration cycle；
Auxiliary evaporator is provided between the expansion valve and evaporator, accessory fan is provided with by auxiliary evaporator；
Auxiliary condenser is provided with cooling water intake D and cooling water outlet C.
4. a kind of tunnel sterilizing and drying machine according to claim 3, it is characterised in that:
The drying section includes condenser, evaporator and regenerator；
The hot side of intake stack B and regenerator connects；
The hot side of the regenerator is connected by wind pipeline with evaporator；
The wind pipeline and the cold side of regenerator that the evaporator comes out connect；
The wind pipeline that the regenerator cold side comes out is connected with condenser, and condenser is connected by wind turbine with air outlet A.
5. a kind of tunnel sterilizing and drying machine described in claim 1, which is characterized in that it is described baking vehicle include vehicle frame, bearer network,
Connect disk and wheel；
The bearer network have it is multiple, respectively up and down staggeredly and adjustable angle save land and be installed on the inside of the vehicle frame；
The bottom for connecing disk and being arranged on the vehicle frame；
The wheel is installed on the bottom of the vehicle frame；
The upper and lower ends of the bearer network are respectively feeding end and discharging end, the discharging end of the higher bearer network of level height
Positioned at the top of its next layer of bearer network, between the discharging end and the vehicle frame in the presence of material space.
6. a kind of tunnel sterilizing and drying machine according to claim 5, it is characterised in that：The vehicle frame bearer network is by stainless
Steel is made.
7. a kind of tunnel sterilizing and drying machine according to claim 6, it is characterised in that：The surface of the bearer network scribbles
Anticorrosion material.
8. a kind of tunnel sterilizing and drying machine according to claim 7, it is characterised in that：The wheel is by heat-resisting material
It is made.
9. a kind of tunnel sterilizing and drying machine according to claim 1, it is characterised in that：It is equipped with and follows in the thermal-insulating body
Ring wind turbine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721333573.1U CN207375936U (en) | 2017-10-17 | 2017-10-17 | A kind of tunnel sterilizing and drying machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721333573.1U CN207375936U (en) | 2017-10-17 | 2017-10-17 | A kind of tunnel sterilizing and drying machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207375936U true CN207375936U (en) | 2018-05-18 |
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ID=62339412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721333573.1U Active CN207375936U (en) | 2017-10-17 | 2017-10-17 | A kind of tunnel sterilizing and drying machine |
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| CN (1) | CN207375936U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111253039A (en) * | 2020-02-28 | 2020-06-09 | 广东吉康环境系统科技有限公司 | Vehicle-mounted movable sludge treatment equipment |
-
2017
- 2017-10-17 CN CN201721333573.1U patent/CN207375936U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111253039A (en) * | 2020-02-28 | 2020-06-09 | 广东吉康环境系统科技有限公司 | Vehicle-mounted movable sludge treatment equipment |
| CN111253039B (en) * | 2020-02-28 | 2021-05-07 | 广东吉康环境系统科技有限公司 | Vehicle-mounted movable sludge treatment equipment |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 528000 south of Jihua Road, Nanzhuang Town, Chancheng District, Foshan City, Guangdong Province Patentee after: Guangdong jinkaidi filtration equipment Co.,Ltd. Address before: 528000 Workshop of Zinanaobian Industrial Zone, Nanzhuang Town, Chancheng District, Foshan City, Guangdong Province Patentee before: FOSHAN JINKAIDI FILTRATION EQUIPMENT Co.,Ltd. |
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| CP03 | Change of name, title or address |