CN208960540U - A kind of central air conditioner cooling system apparatus for eliminating sludge - Google Patents
A kind of central air conditioner cooling system apparatus for eliminating sludge Download PDFInfo
- Publication number
- CN208960540U CN208960540U CN201821438393.4U CN201821438393U CN208960540U CN 208960540 U CN208960540 U CN 208960540U CN 201821438393 U CN201821438393 U CN 201821438393U CN 208960540 U CN208960540 U CN 208960540U
- Authority
- CN
- China
- Prior art keywords
- spray tank
- drug
- feeding tube
- air conditioner
- central air
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 59
- 239000010802 sludge Substances 0.000 title claims abstract description 14
- 239000007921 spray Substances 0.000 claims abstract description 78
- 239000012530 fluid Substances 0.000 claims abstract description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 29
- 239000000843 powder Substances 0.000 claims abstract description 18
- 239000002360 explosive Substances 0.000 claims description 18
- 238000002156 mixing Methods 0.000 claims description 14
- 238000010438 heat treatment Methods 0.000 claims description 11
- 238000003756 stirring Methods 0.000 claims description 10
- 238000006073 displacement reaction Methods 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 7
- 238000000926 separation method Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 14
- 239000000498 cooling water Substances 0.000 abstract description 10
- 238000004140 cleaning Methods 0.000 abstract description 6
- 238000004378 air conditioning Methods 0.000 abstract description 5
- 230000009471 action Effects 0.000 abstract description 4
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 239000000203 mixture Substances 0.000 abstract description 3
- 239000003507 refrigerant Substances 0.000 description 6
- 239000003814 drug Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 239000002826 coolant Substances 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000008399 tap water Substances 0.000 description 2
- 235000020679 tap water Nutrition 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 1
- 229910000021 magnesium carbonate Inorganic materials 0.000 description 1
- 239000001095 magnesium carbonate Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000004781 supercooling Methods 0.000 description 1
Landscapes
- Nozzles (AREA)
Abstract
The utility model discloses a kind of central air conditioner cooling system apparatus for eliminating sludge, it is related to air-conditioning technical field, its key points of the technical solution are that: including spray tank, inlet is provided at the top of the spray tank, the bottom of spray tank is communicated with conduit, spray tank is connected to cooling pipe by conduit, the control valve that control spray tank is connected to or disconnects with cooling pipe is provided on conduit, drug-feeding tube is set on spray tank side wall, feeding opening is offered above drug-feeding tube, feed screw is rotatably connected in drug-feeding tube, drug-feeding tube is provided with stepper motor far from one end of spray tank.Medicinal powder and clear water mix in spray tank, form cleaning medical fluid and open control valve, medical fluid enters under the action of cooling water pump carries out scale removal in cooling pipe when needing to carry out scale removal to cooling pipe.After scale is removed, the efficiency of heat transfer is also restored, to reduce the case where causing energy consumption to increase because of build-up of limescale, is finally reached the effect of energy saving.
Description
Technical field
The utility model relates to air-conditioning technical fields, more specifically, it relates to a kind of central air conditioner cooling system scale removal
Device.
Background technique
Refrigeration unit in air-conditioning system includes evaporator, compressor, condenser and throttling set, is inside had in compressor
Driving under circulation " carry heat " refrigerant.Wherein, it (is high temperature and pressure shape when entering condenser that condenser, which is for cooling down,
State) heat-exchange device of refrigerant, condenser specifically is cooled down with cooling medium so that refrigerant is carried out with cooling medium
Heat exchange finally plays the effect of cooling refrigerant.
For the central air conditioner system used in heavy construction, it is for cooling down the cooling medium of condenser
Water, therefore practise and claim " water cooling ".The cooling water pump that water-cooling system includes cooling pipe, cooling water is promoted to circulate in cooling pipe
With the cooling tower for being equipped with cooling fan.Cooling water pump will absorb that temperature occurs after condenser inner refrigerant heat is raised
Cooling water is transported to cooling tower, it is allowed to release heat by evaporation in cooling tower, and then, desuperheated cooling water leads to again
The water pumping function of supercooling water pump flows to the heat for going to absorb refrigerant outside condenser, so constantly recycles.
But water will form magnesium carbonate and calcium carbonate, that is, scale by heating constantly evaporation.In water-cooling system
For cooling water substantially or based on tap water, the impurity content in tap water is relatively high, and cooling water is not in cooling procedure
Disconnected is heated.In long-term recycling, scale easy to form on cooling pipe, build-up of limescale is cold in will affect on duct wall
But the flow of water, while scale also will affect heat-transfer effect, cause cooling effect bad, reaches same cooling effect and but expends
More energy, have much room for improvement.
Utility model content
In view of the deficienciess of the prior art, the utility model provides a kind of central air conditioner cooling system apparatus for eliminating sludge,
The advantages of with that can be cleaned to the pipeline in cooling system, reduce build-up of limescale.
To achieve the above object, the utility model provides following technical solution:
A kind of central air conditioner cooling system apparatus for eliminating sludge, including spray tank are provided with inlet at the top of the spray tank,
The bottom of the spray tank is communicated with conduit, and the spray tank is connected to cooling pipe by conduit, is provided on the conduit
Control the control valve that the spray tank is connected to or disconnects with cooling pipe, drug-feeding tube be set on the spray tank side wall, it is described into
Feeding opening is offered above pencil, the charging spiral shell for being transported to medicinal powder in spray tank is rotatably connected in the drug-feeding tube
Bar, the drug-feeding tube are provided with the stepper motor for driving the feed screw rotation far from one end of the spray tank.
Through the above technical solutions, medicinal powder is sent in spray tank by feed screw, then pass through inlet to medicine
Clear water is added in liquid case, so that medicinal powder and clear water mix in spray tank, forms cleaning medical fluid, when needing to carry out to cooling pipe
When scale removal, control valve is opened so that spray tank is connected to cooling pipe, medical fluid is cold in central air conditioner cooling system at this time
But it is entered under the action of water pump and carries out scale removal in cooling pipe.After scale is removed, the flow of cooling pipe is guaranteed, in addition
The efficiency of heat transfer is also restored, to reduce the case where causing energy consumption to increase because of build-up of limescale, is finally reached saving energy
The effect of consumption.
Further, explosive barrel is provided on the feeding opening, the explosive barrel is fixed by bolts on the feeding opening, and
The explosive barrel is connected to the drug-feeding tube.
Through the above technical solutions, setting explosive barrel, medicinal powder can be piled up in explosive barrel, stepping electricity is directly initiated whenever necessary
Machine, the case where reducing frequent dosing powder, so that operation is more convenient.
Further, the explosive barrel is provided with feed inlet away from one end of the drug-feeding tube, also sets up on the feed inlet
There is closed end cap.
Through the above technical solutions, carry out addition medicinal powder by feed inlet, closed end cap can effectively reinforce explosive barrel with
Extraneous isolation reduces the case where medicinal powder makes moist.
Further, the drug-feeding tube has closed plate along the radial slippage of the drug-feeding tube close to one end of spray tank, institute
Closed plate is stated for controlling separation or connection between the spray tank and drug-feeding tube, is provided in the closed plate for driving
The mobile cylinder of the closed plate.
Through the above technical solutions, setting closed plate, when medical fluid mixes in medicine-chest, closed plate can completely cut off drug-feeding tube
With spray tank, the case where medicinal powder in drug-feeding tube is influenced and made moist by medical fluid in spray tank is reduced.
Further, the closed plate sliding is connected on the inner sidewall of the spray tank, and the closed plate is described in
One end of drug-feeding tube is provided with rubber pad.
Through the above technical solutions, being bonded by rubber pad with the inner sidewall of spray tank, rubber pad can generate slight
Deformation further enhances the isolation effect of drug-feeding tube and spray tank so that rubber pad is more preferable to the sealing effect of feed pipe.
Further, water inlet pipe is connected on the inlet, one end setting of the water inlet pipe far from inlet is useful
In to wanting the constant displacement pump filled the water in liquid case.
Through the above technical solutions, being filled the water by constant displacement pump into spray tank, the repetition for avoiding operator adds water conservancy project
Make, has liberated the both hands of operator.
Further, it is additionally provided in the spray tank for by the well-mixed mixing arrangement of medical fluid, the mixing to be filled
It sets the stirring rod including being rotationally connected in the spray tank and is set to spray tank bottom for driving the stirring rod to turn
Dynamic driving motor.
Through the above technical solutions, setting mixing arrangement, stirring rod are stirred continuously in medical fluid mixed process, medicine is strengthened
The mixed effect of liquid strengthens medical fluid to the cleaning effect of scale so that medical fluid is more fully mixed.
Further, be additionally provided with heating rod on the inner sidewall of the spray tank, be provided with outside the spray tank with it is described
The power supply of heating rod electrical connection.
Through the above technical solutions, heating rod can heat medical fluid, the temperature of medical fluid rises, and is more advantageous to medicinal powder
Dissolve so that the mixing of medical fluid is more abundant, further enhance medical fluid to the cleaning effect of scale.
Compared with prior art, the utility model has the beneficial effects that
(1) medicinal powder is sent in spray tank by feed screw, clear water is then added into spray tank by inlet,
So that medicinal powder and clear water mix in spray tank, cleaning medical fluid is formed, when needing to carry out scale removal to cooling pipe, by control valve
Open so that spray tank is connected to cooling pipe, at this time cooling water pump of the medical fluid in central air conditioner cooling system under the action of into
Enter into cooling pipe and carries out scale removal.After scale is removed, the flow of cooling pipe is guaranteed, and the efficiency in addition conducted heat also obtains
Restore, to reduce the case where causing energy consumption to increase because of build-up of limescale, is finally reached the effect of energy saving；
(2) by setting explosive barrel, medicinal powder can be piled up in explosive barrel, directly initiate stepper motor whenever necessary, subtract
The case where having lacked frequent dosing powder, so that operation is more convenient；
(3) by setting mixing arrangement, stirring rod is stirred continuously in medical fluid mixed process, strengthens the mixing effect of medical fluid
Fruit strengthens medical fluid to the cleaning effect of scale so that medical fluid is more fully mixed.
Detailed description of the invention
Fig. 1 is the overall schematic of embodiment；
Fig. 2 is the spray tank schematic diagram of internal structure of embodiment；
Fig. 3 is the portion A enlarged drawing in Fig. 2；
Fig. 4 is the structural schematic diagram of closed plate in embodiment.
Appended drawing reference: 1, spray tank；2, conduit；3, control valve；4, inlet；5, water inlet pipe；6, constant displacement pump；7, into medicine
Pipe；8, feeding opening；9, feed screw；10, stepper motor；11, explosive barrel；12, feed inlet；13, closed end cap；14, closed plate；
15, rubber pad；16, guide pad；17, compact heap；18, cylinder；19, mixing arrangement；191, stirring rod；192, driving motor；20,
Heating rod；21, power supply.
Specific embodiment
With reference to the accompanying drawings and examples, the utility model is described in detail.
Embodiment:
A kind of central air conditioner cooling system apparatus for eliminating sludge, as shown in Figure 1, including spray tank 1, the bottom of spray tank 1 is connected to
There are conduit 2, the cooling pipe that conduit 2 is used to be connected in central air conditioner cooling system far from one end of spray tank 1.On conduit 2
It is additionally provided with control valve 3, control valve 3 is used to control the connection or disconnection of conduit 2, to reach control spray tank 1 and cooling tube
Connection or disconnection between road.
The top of spray tank 1 offers inlet 4, water inlet pipe 5 is communicated on inlet 4, water inlet pipe 5 is far from inlet 4
One end be provided with constant displacement pump 6, the water outlet of constant displacement pump 6 is connected to water inlet pipe 5, and the inlet port of constant displacement pump 6 passes through pipeline and is connected to
To pond.The injected clear water into spray tank 1 that can be quantified by constant displacement pump 6.
As shown in Fig. 2, being provided with drug-feeding tube 7 on the side wall of spray tank 1, drug-feeding tube 7 is in horizontally disposed, 7 top of drug-feeding tube
Feeding opening 8 is offered, feeding opening 8 is located at the one end of drug-feeding tube 7 far from spray tank 1.Charging spiral shell is rotatably connected in drug-feeding tube 7
Bar 9, drug-feeding tube 7 are additionally provided with the stepper motor 10 for driving feed screw 9 to rotate far from one end of spray tank 1.Stepping electricity
Machine 10 can control the rotation of feed screw 9 and the medicinal powder in feed pipe be transported in spray tank 1 to reach.
The explosive barrel 11 being connected to drug-feeding tube 7 is additionally provided on feeding opening 8, explosive barrel 11 is fixed by bolts on feeding opening 8.
Explosive barrel 11 is provided with feed inlet 12 on one end of drug-feeding tube 7, and closed end cap 13 is additionally provided on feed inlet 12.
As shown in Figure 3, Figure 4, drug-feeding tube 7 is provided with closed plate 14 close to one end of spray tank 1, and closed plate 14 is set to medicine
On the inner sidewall of liquid case 1, and one end of closed plate 14 towards feed pipe is provided with rubber pad 15.It is set on the inner sidewall of spray tank 1
Be equipped with two parallel guide pads 16, closed plate 14 under the action of two guide pad 16 along the radial slippage of drug-feeding tube 7, often
A guide pad 16 is provided with compact heap 17 on one end of feed pipe, two compact heaps 17 extend towards direction close to each other and
The side wall of guide pad 16 is protruded from, compact heap 17 is detached from from 1 inner wall of spray tank for limiting closed plate 14 and rubber pad 15.Envelope
The cylinder 18 that driving closed plate 14 slides along guide pad 16 is additionally provided on closing plate 14, cylinder 18 is fixed on the interior of spray tank 1
On wall.
As shown in Fig. 2, being additionally provided in spray tank 1 for by the well-mixed mixing arrangement 19 of medical fluid, mixing arrangement 19
Including be rotationally connected in spray tank 1 stirring rod 191, be set to 1 bottom of spray tank for drive stirring rod 191 rotation carry out
Mixed driving motor 192.Heating rod 20 is additionally provided in spray tank 1, heating rod 20 is electrically connected to the power supply 21 outside spray tank 1
On.
When needing to mix medical fluid, heating rod 20 can be heated the liquid in spray tank 1, and driving motor 192 drives
Stirring rod 191 rotates, so that medical fluid is more fully mixed.
When needing the cooling pipe to central air-conditioning to carry out scale removal, central air-conditioning is in shutdown status first, later
The sliding of closed plate 14 is opened, so that feed pipe and spray tank 1 are in connected state, restarts stepper motor 10, it will be in explosive barrel 11
Medicinal powder be transported in spray tank 1 by feed screw 9, push closed plate 14 mobile by control cylinder 18 later, so that envelope
Closing plate 14 re-closes feed pipe.Starting constant displacement pump 6 is to 1 internal pump water of spray tank at this time, while starting the rotation of driving motor 192 and adding
The mixing efficiency of fast medicinal powder and water, while power supply 21 is opened, so that heating rod 20 begins to warm up the medical fluid in spray tank 1, into one
Step accelerates the mixing of medical fluid.Medical fluid closes driving motor 192 and power supply 21 after mixing, control valve 3 is then opened, by medicine
Medical fluid in liquid case 1 is transported in the cooling pipe in central air conditioner cooling system.The cooling of cooling system can be passed through at this time
Water pump drives medical fluid to rinse in cooling pipe along the flow direction of cooling water, achievees the purpose that scale removal.
The above is only the preferred embodiment of the utility model, and the protection scope of the utility model is not limited merely to
Above-described embodiment, technical solution belonging to the idea of the present invention belong to the protection scope of the utility model.It should refer to
Out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and
Retouching, these improvements and modifications also should be regarded as the protection scope of the utility model.
Claims (8)
1. a kind of central air conditioner cooling system apparatus for eliminating sludge, it is characterised in that: including spray tank (1), the top of the spray tank (1)
Portion is provided with inlet (4), and the bottom of the spray tank (1) is communicated with conduit (2), and the spray tank (1) is connected by conduit (2)
Cooling pipe is passed to, is provided on the conduit (2) and controls the control valve that the spray tank (1) is connected to or disconnects with cooling pipe
(3), drug-feeding tube (7) are set on spray tank (1) side wall, are offered feeding opening (8) above the drug-feeding tube (7), it is described into
The feed screw (9) for being transported to medicinal powder in spray tank (1) is rotatably connected in pencil (7), the drug-feeding tube (7) is separate
One end of the spray tank (1) is provided with the stepper motor (10) for driving feed screw (9) rotation.
2. a kind of central air conditioner cooling system apparatus for eliminating sludge according to claim 1, it is characterised in that: the feeding opening
(8) it is provided on explosive barrel (11), the explosive barrel (11) is fixed by bolts on the feeding opening (8), and the explosive barrel (11)
It is connected to the drug-feeding tube (7).
3. a kind of central air conditioner cooling system apparatus for eliminating sludge according to claim 2, it is characterised in that: the explosive barrel (11)
It is provided with feed inlet (12) away from one end of the drug-feeding tube (7), is additionally provided with closed end cap (13) on the feed inlet (12).
4. a kind of central air conditioner cooling system apparatus for eliminating sludge according to claim 2, it is characterised in that: the drug-feeding tube
(7) one end close to spray tank (1) has closed plate (14) along the radial slippage of the drug-feeding tube (7), and the closed plate (14) is used
In controlling separation or connection between the spray tank (1) and drug-feeding tube (7), it is provided on the closed plate (14) for driving
The mobile cylinder (18) of the closed plate (14).
5. a kind of central air conditioner cooling system apparatus for eliminating sludge according to claim 4, it is characterised in that: the closed plate
(14) sliding is connected on the inner sidewall of the spray tank (1), and one end of closed plate (14) towards the drug-feeding tube (7) is set
It is equipped with rubber pad (15).
6. a kind of central air conditioner cooling system apparatus for eliminating sludge according to claim 1, it is characterised in that: the inlet
(4) it is connected on water inlet pipe (5), the water inlet pipe (5) is provided with far from the one end of inlet (4) for wanting to fill the water in liquid case
Constant displacement pump (6).
7. a kind of central air conditioner cooling system apparatus for eliminating sludge according to claim 1, it is characterised in that: the spray tank
(1) it is additionally provided in for by the well-mixed mixing arrangement of medical fluid (19), the mixing arrangement (19) to include being rotationally connected with
Stirring rod (191) in the spray tank (1) and spray tank (1) bottom is set to for driving the stirring rod (191) to turn
Dynamic driving motor (192).
8. a kind of central air conditioner cooling system apparatus for eliminating sludge according to claim 7, it is characterised in that: the spray tank
(1) it is additionally provided on inner sidewall heating rod (20), is provided with outside the spray tank (1) and to be electrically connected with the heating rod (20)
Power supply (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821438393.4U CN208960540U (en) | 2018-09-03 | 2018-09-03 | A kind of central air conditioner cooling system apparatus for eliminating sludge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821438393.4U CN208960540U (en) | 2018-09-03 | 2018-09-03 | A kind of central air conditioner cooling system apparatus for eliminating sludge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208960540U true CN208960540U (en) | 2019-06-11 |
Family
ID=66754528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821438393.4U Expired - Fee Related CN208960540U (en) | 2018-09-03 | 2018-09-03 | A kind of central air conditioner cooling system apparatus for eliminating sludge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208960540U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113291447A (en) * | 2021-06-29 | 2021-08-24 | 南京公诚节能新材料研究院有限公司 | Ship cooling system based on catalyst material |
-
2018
- 2018-09-03 CN CN201821438393.4U patent/CN208960540U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113291447A (en) * | 2021-06-29 | 2021-08-24 | 南京公诚节能新材料研究院有限公司 | Ship cooling system based on catalyst material |
| CN113291447B (en) * | 2021-06-29 | 2022-11-18 | 南京公诚节能新材料研究院有限公司 | Ship cooling system based on catalyst material |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212818229U (en) | Crystallizer with stirring function | |
| CN101571344B (en) | Multifunctional vacuum conical mixing-drying unit | |
| CN201569162U (en) | Hot water unit capable of recycling waste heat of air compressor | |
| CN210773565U (en) | Stable and efficient fluid heat exchange pressure vessel | |
| CN212003596U (en) | A water circulation refrigeration system | |
| CN120536212B (en) | A high-efficiency microbial fermentation device for processing traditional Chinese medicine preparations | |
| CN201476475U (en) | Vacuum conical mixing drying machine set | |
| CN104761009A (en) | Industrial waste water processing system | |
| CN209362507U (en) | A kind of chemical reaction kettle of carrying vapour condensate recycling device | |
| CN201569163U (en) | Hot water unit capable of recycling waste heat of air compressor | |
| CN207062070U (en) | A kind of low temperature and high concentration sewage-treatment plant | |
| CN206424938U (en) | A kind of energy-efficient chemical reaction kettle | |
| CN206762314U (en) | A kind of pharmaceutical purpose energy-saving vertical agitated crystallizer | |
| CN217164275U (en) | Transfer mixer is used in sodium silicate production | |
| CN207147278U (en) | A kind of steel plate rolling oil intermediate synthesized ester cooling system | |
| CN206454638U (en) | A kind of high speed hypothermic response kettle | |
| CN205075209U (en) | Granule desiccator is used in LCD liquid crystal display production | |
| CN208678955U (en) | A kind of water-reducing agent cooling device | |
| CN219721999U (en) | Degassing device capable of recycling condensed water | |
| CN114485214B (en) | Waste heat recovery device for white carbon black production | |
| CN222490045U (en) | A tannin high-efficiency germanium precipitation reaction barrel | |
| CN222799249U (en) | A heat recovery device for a central air conditioning system | |
| CN220634717U (en) | Water-cooling device for pulverizing chamber of pulverizer | |
| CN224227023U (en) | Energy-saving ganoderma lucidum polysaccharide continuous extraction and purification device | |
| CN221206788U (en) | Evaporation equipment with heat recovery function for formaldehyde production |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190611 |