CN108103823A - The steam collection device of web part of paper machine - Google Patents
The steam collection device of web part of paper machine Download PDFInfo
- Publication number
- CN108103823A CN108103823A CN201711069572.5A CN201711069572A CN108103823A CN 108103823 A CN108103823 A CN 108103823A CN 201711069572 A CN201711069572 A CN 201711069572A CN 108103823 A CN108103823 A CN 108103823A
- Authority
- CN
- China
- Prior art keywords
- babinet
- suction
- collection device
- steam
- plate
- 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.)
- Granted
Links
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F1/00—Wet end of machines for making continuous webs of paper
- D21F1/10—Wire-cloths
Landscapes
- Paper (AREA)
Abstract
The invention discloses a kind of steam collection device of web part of paper machine, the steam collection device of the web part of paper machine includes：Babinet, box house is provided with suction chamber, and the length direction of the side of babinet along babinet is provided with suction intake, and the length direction of top along the babinet of babinet is provided with multiple suction nozzles；Vacuum blower connects suction nozzle by pipeline, to form the suction airstream transmitted through suction intake, suction chamber, suction nozzle and pipeline to vacuum blower；Moisture separation device is arranged between vacuum blower and babinet, for carrying out steam separation to suction airstream；Heating unit is arranged at the outside of the bottom of box, for being heated to babinet.The steam collection device of the present invention is designed using vacuum pumping-type, can actively draw starch granules, pulp particle and water mist that surrounding is drifted etc., can be reduced the drop slurry problem that drip tray frequently occurs, be improved the operating status of paper machine equipment and the quality of product.
Description
Technical field
The present invention relates to paper machine field, more particularly to a kind of steam collection device of web part of paper machine.
Background technology
The other each layers of wet end of multilayer fourdrinier machine and each layer net in the compound region of lowest level fourdrinier wire, to run at high speed
Cloth traffic direction and state are different, and under high speed state, air-flow in the region is in the band of each layer screen cloth to run at high speed
Dynamic lower operation is extremely disorderly.Also, when the region is manufactured paper with pulp equipped with the starch spray tube of two or more for specific paper kind
Pulp layer surface injection starch before compound, for improving the characteristics such as the inter-layer bonding force of paperboard, deflection, offset properties.Paper grade (stock)
Spray starch using raw material be industrial starch, will be gelatinized at 60~70 DEG C.Paper machine is in high speed and in net
When portion comes into operation under starch spray state, substantial amounts of starch granules, pulp particle and water mist etc. under the action of complicated air-flow easily
Drip tray outer surface here condenses to form drop slurry, falls in on the screen cloth in lower floor orientation, often resulting in paper web table
Face is printed there are water droplet or the production of the products such as compound bad and disconnected paper or quality problem, directly affect paper machine normal operation and
Produce the stabilization of quality.
The drip tray of multilayer long mesh paper making machine wet end traditional design turns over the hollow box body form of cornice, water receiving for simple band
Tray bottom is furnished with Simple steam heating tube, for preventing the moisture condensation near water receiving tray bottom.Under high speed operating mode, tradition connects
Water pond outer surface buildup speed is fast, and cleaning is timed even with various means, but since space limits, banner intermediate region
And the equipment transmission extremely difficult cleaning of side position, disconnected paper can only also maintain normally production, will be because of buildup less than one day after rinsing well
It drops and again leads to disconnected paper.Practical application proves that this traditional drip tray is not suitable for high speed paperboard under the region operating mode
Machine wet end is run.
Therefore, the drip tray of existing multilayer long mesh paper making machine wet end recombination region frequently occurs drop slurry problem, can influence paper
The operating status of machine equipment and the quality of product, it is necessary to develop it is a kind of suitable for high speed paperboard machine net portion recombination region application
Water pan device.
The content of the invention
The invention mainly solves the technical problem of providing a kind of steam collection devices of web part of paper machine, can reduce water receiving
The drop slurry problem that disk frequently occurs, improves the operating status of paper machine equipment and the quality of product.
In order to solve the above technical problems, one aspect of the present invention is：A kind of steam of web part of paper machine is provided
Collection device, the steam collection device of the web part of paper machine include：Babinet, box house are provided with suction chamber, and the side of babinet
The length direction of babinet is provided with suction intake, the length direction of top along the babinet of babinet is provided with multiple suction nozzles；
Vacuum blower connects suction nozzle by pipeline, to be formed through suction intake, suction chamber, suction nozzle and pipeline to vacuum
The suction airstream of fan delivery；Moisture separation device is arranged between vacuum blower and babinet, for carrying out water to suction airstream
Vapour separates；Heating unit is arranged at the outside of the bottom of box, for being heated to babinet.
The beneficial effects of the invention are as follows：The situation of the prior art is different from, the steam of web part of paper machine of the invention collects dress
Put and designed using vacuum pumping-type, can actively draw around starch granules, pulp particle and water mist for drifting etc., be no longer by
Dynamic accept, therefore can be good at preventing these particles or water mist etc. from drifting everywhere, and at the outside bottom of babinet
Portion is provided with heating unit, further prevents starch granules etc. from condensing into slurry, therefore can reduce the drop that drip tray frequently occurs
Slurry problem improves the operating status of paper machine equipment and the quality of product.
Description of the drawings
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the present invention, for
For those of ordinary skill in the art, without creative efforts, other are can also be obtained according to these attached drawings
Attached drawing.Wherein：
Fig. 1 is the cross section structure schematic diagram of the steam collection device first embodiment of web part of paper machine of the present invention；
Fig. 2 is the cross section structure schematic diagram of the steam collection device second embodiment of web part of paper machine of the present invention.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment rather than whole embodiments of the present invention.Based on this
Embodiment in invention, those of ordinary skill in the art are obtained every other under the premise of performing creative labour is not made
Embodiment belongs to the scope of protection of the invention.
Refering to Fig. 1, Fig. 1 is the cross section structure signal of the steam collection device first embodiment of web part of paper machine of the present invention
Figure.In the present embodiment, the steam collection device 10 of the web part of paper machine includes babinet 11, vacuum blower 13, steam separation dress
Put 14 and heating unit 15.
Babinet 11 is internally provided with suction chamber 111, and the length direction of the side of babinet 11 along babinet 11 is provided with suction
Entrance 112.The length direction of the top of babinet 11 along babinet 11 is provided with multiple suction nozzles 113.Preferably, suction intake
112 compare more positions towards starch granules, pulp particle and water mist etc..
Vacuum blower 13 connects suction nozzle 113 by pipeline 12, to be formed through suction intake 112, suction chamber 111, taken out
The suction airstream that suction pipe mouth 113 and pipeline 12 are transmitted to vacuum blower 13.
Moisture separation device 14 is arranged between vacuum blower 13 and babinet 11, for carrying out steam point to suction airstream
From.Moisture separation device 14 it is separated go out liquid can enter other cycles or direct or indirect discharge.Vacuum wind
13 device of machine, moisture separation device 14 and 12, pipeline need to ensure that order connects, and pipeline 12 is away from moisture separation device
The shape of the suction nozzle 113 of 14 one end connection babinet 11, specific distribution mode and pipeline 12 does not limit,
It can be adjusted according to actual space size with shape, it is not necessary to be configured according to shape shown in FIG. 1.
Heating unit 15 is arranged at the outside of 11 bottom of babinet, for being heated to babinet 11.
By the above-mentioned means, being designed using vacuum pumping-type, starch granules, slurry that surrounding is drifted can be actively drawn
Grain and water mist etc., be no longer it is passive accept, therefore can be good at preventing these particles or water mist etc. from drifting everywhere,
And the exterior bottom of babinet is provided with heating unit, further prevents starch granules etc. from condensing into slurry, therefore can reduce
The drop slurry problem that drip tray frequently occurs, improves the operating status of paper machine equipment and the quality of product.
Refering to Fig. 2, Fig. 2 is the cross section structure signal of the steam collection device second embodiment of web part of paper machine of the present invention
Figure.In the present embodiment, the steam collection device 20 of the web part of paper machine includes babinet 21, vacuum blower (not shown), steam
Separator (not shown), heating unit 25 and heat conduction polishing plate 26.
Babinet 21 is internally provided with suction chamber 214, and the length direction of the side of babinet 21 along babinet 21 is provided with suction
Entrance 215.The length direction of the top of babinet 21 along babinet 21 is provided with multiple suction nozzles.Preferably, babinet 21 is arranged at
The sandwich layer later roller of web part of paper machine with before undermost head box, and suction intake 215 is towards sandwich layer later roller.Such mode
It can cause suction intake 215 towards relatively more position such as starch granules, pulp particle and water mist, also, utmostly subtract
The attachment that few recombination region buildup is formed, and reduce complicated air-flow and flowed here caused by the presence of physical components
Dynamic instability.
Vacuum blower connects suction nozzle by pipeline 22, to be formed through suction intake 215, suction chamber 214, suction nozzle
And the suction airstream that pipeline 22 is transmitted to vacuum blower.
Moisture separation device is arranged between vacuum blower and babinet 21, for carrying out steam separation to suction airstream.Water
Steum separating device it is separated go out liquid can enter other cycles or direct or indirect discharge.Vacuum blower device,
Moisture separation device and 22, pipeline need to ensure that order connects, and one end connecting box of the pipeline 22 away from moisture separation device
The shape of the suction nozzle of body 21, specific distribution mode and pipeline 22 does not limit, can be according to actual sky
Between size and shape be adjusted.
Preferably, pipeline 22, multiple pipelines 22 to be connected to a manifold, manifold there are one connections in each suction nozzle
Both ends be respectively connected with moisture separation device and vacuum blower.This design can effectively aspirate the high speed near sandwich layer later roller
Air-flow, so that the surface layer air-flow from lowermost position is preferably run with coming from above the bottom air-flow of position along slurry
Direction merge compound, which reduces the disturbances of air-flow herein.
Babinet 21 includes top plate 211, bottom plate 212, backboard 213 and two side plates, leaves a side opening.Top plate 211 with
Bottom plate 212 is oppositely arranged, backboard 213 length direction connection top plate 211 and the bottom plate 212 of babinet 21 one side edge, and with
Suction intake 215 is oppositely arranged.Two side plates are arranged at the both ends of top plate 211 and bottom plate 212 in the length direction of babinet 21, and
Top plate 211, bottom plate 212 and side plate are connected, to form suction chamber 214.Preferably, two side plates are perpendicular to the length of babinet 21
Direction.Suction nozzle is formed on top plate 211, bottom plate 212 is provided with heating unit 25 on the side surface away from top plate 211.
Top plate 211 is formed with top baffle 216 on the one side away from backboard 213.Top baffle 216 by top plate 211 side
Extend at edge to the direction away from bottom plate 212, and be vertically arranged with top plate 211.The top baffle 216 of right angle moulding designs, this
The liquid that sample can collect baffle outer surface can be taken away in time after drippage.Top plate 211 is towards on a side surface of bottom plate 212
It is provided with air door orifice plate 217.Air door orifice plate 217 is tilted towards backboard 213, is arranged at intervals with bottom plate 212, to form suction intake
215.Preferably, multiple through holes are formed on air door orifice plate 217.In order to ensure that the suction intensity of suction intake 215 is homogeneous, aspirate
The height of entrance 215 is incrementally designed from both side ends to centre position.Specifically, it is by the fore side of steam collection device 20
It is incrementally designed to middle first peace position with east side both side ends are passed.For example, the height of suction intake 215 is in both side ends
16mm, at centre position, the height of suction intake 215 is 36mm.Preferably, air door orifice plate 217 is welded on the top plate of babinet 21
On 211.
Bottom plate 212 is formed with lip 218 on the one side away from backboard 213.Lip 218 is from the edge of bottom plate 212 to separate
The direction extension of top plate 211, and form obtuse angle between bottom plate 212.Preferably, on the direction away from backboard 213, bottom plate
212 length is greater than the length of top plate 211, so that the position of lip 218 is provided projectingly compared with top baffle 216, avoids
The dropping liquid that top baffle 216 drips falls into running screen cloth.
Heating unit 25 includes steam-heating pipe 251 and warm water heating tube 252, and steam-heating pipe 251 is heated with warm water
252 spaced setting of pipe.Warm water heating tube 252 is used to provide warm water heating, steam to babinet 21 in the operating mode of starch spray
Heating tube 251 is used for the operating mode sprayed in non-starch and provides steam heating to babinet 21, and wherein the temperature of warm water heating is less than shallow lake
The gelatinization point of powder.Preferably, warm water heating tube 252 is square tube, and steam-heating pipe 251 is pipe.
Heat conduction polishing plate 26 cooperatively forms the space for accommodating heating unit 25 with bottom plate 212, and steam-heating pipe 251 is pipe
And at least with bottom plate 212 keep be arranged at intervals, warm water heating tube 252 for square tube and respectively with bottom plate 212 and heat conduction polishing plate 26
Contact is set.
The original intention of such design is：Under the operating mode for the starch spray that do not come into operation, steam-heating pipe 251, steam heating are enabled
Pipe 251 leaves the gap of 2mm on design position with bottom plate 212, does not contradict directly, therefore will not be excessively high due to vapor (steam) temperature
And it is uneven that bottom plate 212 is caused to heat, generate hot-spot the phenomenon that.Under the operating mode for the starch spray that comes into operation, deactivated steam adds
Heat pipe 251 uses warm water heating tube 252 instead, and warm water is provided by autonomous system, it is ensured that water temperature is accurately controlled in 50 DEG C or so, less than 60
℃.Not high in view of warm water temperature, the warm water heating tube 252 for the warm water that circulates directly contacts on design position with bottom plate 212,
Square tube design be in order to warm water tube contact with bottom surface to ensure to heat to the greatest extent it is uniform.Meanwhile this warm water temperature was both
It can ensure the demand of heating, and will not make starch gelatinization (starch will be gelatinized at 60~70 DEG C) that can thus form sediment
Make to obtain effectively exposed to the drip tray bottom surface in recombination region overhead under different working conditions when powder spray comes into operation or do not come into operation
Heating, to prevent the condensate drop of water vapour, starch granules or slurry suspension object.
Preferably, for lip 218 with 26 junction of heat conduction polishing plate in 30 degree of angles, outside is polished grinding process so that
Moisture on 218 surface of lip detaches in time under the action of suction airstream along lip 218, without on 218 surface of lip
Form dropping liquid.
In the above-described embodiment, steam collection device 20 can scribble micron-sized not viscous micro- painting on the outer surface
Layer so that 20 bottom surface of steam collection device and side have the distribution of relatively uniform micropore and relatively low surface tension, so as to really
20 bottom surface of water conservation vapour collection device and cornice side are not easy to adhere to dirty particles or drop slurry under recombination region complexity stream conditions.
Preferably, it is stainless steel SS316L materials that steam collection device 20 is whole, it is ensured that in the damp and hot chemical environment of wet end
Under it is not perishable.
By the above-mentioned means, starch granules, pulp particle and water mist for being drifted around can preferably drawing etc., and two
The different mode of heating of kind can preferably prevent starch granules etc. from condensing into slurry, therefore can reduce what drip tray frequently occurred
Slurry problem is dripped, improves the operating status of paper machine equipment and the quality of product.
The beneficial effects of the invention are as follows：The situation of the prior art is different from, the steam of web part of paper machine of the invention collects dress
Put and designed using vacuum pumping-type, can actively draw around starch granules, pulp particle and water mist for drifting etc., be no longer by
Dynamic accept, therefore can be good at preventing these particles or water mist etc. from drifting everywhere, and at the outside bottom of babinet
Portion is provided with heating unit, further prevents starch granules etc. from condensing into slurry, therefore can reduce the drop that drip tray frequently occurs
Slurry problem improves the operating status of paper machine equipment and the quality of product.
The foregoing is merely embodiments of the present invention, are not intended to limit the scope of the invention, every to utilize this
It is relevant to be directly or indirectly used in other for the equivalent structure or equivalent flow shift that description of the invention and accompanying drawing content are made
Technical field is included within the scope of the present invention.
Claims (10)
1. the steam collection device of a kind of web part of paper machine, which is characterized in that the steam collection device includes：
Babinet, the box house is provided with suction chamber, and the side of the babinet is provided with along the length direction of the babinet
Suction intake, the length direction of top along the babinet of the babinet are provided with multiple suction nozzles；
Vacuum blower connects the suction nozzle by pipeline, to be formed through the suction intake, the suction chamber, the pumping
The suction airstream that suction pipe mouth and the pipeline are transmitted to the vacuum blower；
Moisture separation device is arranged between the vacuum blower and the babinet, for carrying out steam to the suction airstream
Separation；
Heating unit is arranged at the outside of the bottom of box, for being heated to the babinet.
2. steam collection device according to claim 1, which is characterized in that the babinet is arranged at the web part of paper machine
Before sandwich layer later roller and undermost head box, and the suction intake is towards the sandwich layer later roller.
3. steam collection device according to claim 1, which is characterized in that the babinet include top plate, bottom plate, backboard with
And two side plates, the top plate are oppositely arranged with the bottom plate, the backboard connects the top in the length direction of the babinet
The one side edge of plate and the bottom plate, and be oppositely arranged with the suction intake, two side plates are in the length of the babinet
Direction is arranged at the both ends of the top plate and the bottom plate, and connects the top plate, the bottom plate and the side plate, to be formed
The suction chamber is formed with the suction nozzle on the top plate, and the bottom plate is set on the side surface away from the top plate
There is the heating unit.
4. steam collection device according to claim 3, which is characterized in that on one side of the top plate away from the backboard
Be formed with top baffle, the top baffle from the edge of the top plate to away from the bottom plate direction extend, and with institute
Top plate is stated to be vertically arranged.
5. steam collection device according to claim 4, which is characterized in that the top plate is towards the one side table of the bottom plate
Air door orifice plate is provided on face, the air door orifice plate is arranged at intervals, with described in formation towards the inclined back plate with the bottom plate
Suction intake, is formed with multiple through holes on the air door orifice plate, and the height of the suction intake is from both side ends to centre position
Incremental design.
6. steam collection device according to claim 3, which is characterized in that on one side of the bottom plate away from the backboard
Lip is formed with, the lip extends from the edge of the bottom plate to the direction away from the top plate, and between the bottom plate
Form obtuse angle.
7. steam collection device according to claim 6, which is characterized in that the heating unit include steam-heating pipe with
And warm water heating tube, the steam-heating pipe and the spaced setting of warm water heating tube, the warm water heating tube are used for
The operating mode of starch spray provides warm water heating to the babinet, and the steam-heating pipe is used for the operating mode sprayed in non-starch to institute
It states babinet and steam heating is provided, wherein the temperature of warm water heating is less than the gelatinization point of starch.
8. steam collection device according to claim 7, which is characterized in that the steam collection device further comprises leading
Hot polishing plate, cooperatively forms the space for accommodating the heating unit with the bottom plate, and the steam-heating pipe is for pipe and at least
It keeps being arranged at intervals with the bottom plate, the warm water heating tube is square tube and connects with the bottom plate and the heat conduction polishing plate respectively
It touches and sets.
9. steam collection device according to claim 8, which is characterized in that the lip is connected with the heat conduction polishing plate
In 30 degree of angles, outside is polished grinding process at place.
10. according to steam collection device described in any one of claim 1-9, which is characterized in that the steam collection device
Micron-sized not viscous micro- coating is scribbled on the outer surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711069572.5A CN108103823B (en) | 2017-11-03 | 2017-11-03 | The steam collection device of web part of paper machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711069572.5A CN108103823B (en) | 2017-11-03 | 2017-11-03 | The steam collection device of web part of paper machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108103823A true CN108103823A (en) | 2018-06-01 |
| CN108103823B CN108103823B (en) | 2019-08-30 |
Family
ID=62206606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711069572.5A Active CN108103823B (en) | 2017-11-03 | 2017-11-03 | The steam collection device of web part of paper machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108103823B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100224337A1 (en) * | 2003-05-21 | 2010-09-09 | Dennis Henry Vaders | Refiner steam separation system for reduction of dryer emissions |
| CN202744891U (en) * | 2012-07-26 | 2013-02-20 | 湖南正大轻科机械有限公司 | Paper machine press felt water pan |
| CN204959464U (en) * | 2015-07-30 | 2016-01-13 | 海南金海浆纸业有限公司 | Steam suction device |
| CN205399076U (en) * | 2016-03-18 | 2016-07-27 | 湖南科立特环保成套设备有限公司 | Water collector and papermaking equipment |
| CN106192527A (en) * | 2016-08-28 | 2016-12-07 | 浙江景兴纸业股份有限公司 | A kind of wet end drip tray |
| CN205874832U (en) * | 2016-06-13 | 2017-01-11 | 肇庆市金贝麟新型建材有限公司 | Vacuum dehydration system |
-
2017
- 2017-11-03 CN CN201711069572.5A patent/CN108103823B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100224337A1 (en) * | 2003-05-21 | 2010-09-09 | Dennis Henry Vaders | Refiner steam separation system for reduction of dryer emissions |
| CN202744891U (en) * | 2012-07-26 | 2013-02-20 | 湖南正大轻科机械有限公司 | Paper machine press felt water pan |
| CN204959464U (en) * | 2015-07-30 | 2016-01-13 | 海南金海浆纸业有限公司 | Steam suction device |
| CN205399076U (en) * | 2016-03-18 | 2016-07-27 | 湖南科立特环保成套设备有限公司 | Water collector and papermaking equipment |
| CN205874832U (en) * | 2016-06-13 | 2017-01-11 | 肇庆市金贝麟新型建材有限公司 | Vacuum dehydration system |
| CN106192527A (en) * | 2016-08-28 | 2016-12-07 | 浙江景兴纸业股份有限公司 | A kind of wet end drip tray |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108103823B (en) | 2019-08-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207738986U (en) | A kind of textile humidification apparatus for shaping | |
| CN205784424U (en) | Belt drying plant | |
| CN108103823B (en) | The steam collection device of web part of paper machine | |
| CN206989740U (en) | Water vapor condensation recovery water saving noise cancelling type cooling tower | |
| CN206637953U (en) | Ceramic blank drying drying room structure | |
| CN208941026U (en) | A kind of device of tobacco resurgence, charging | |
| CN208812694U (en) | Spray equipment in a kind of anti-bending wing of combination board | |
| CN108162502B (en) | Paperboard spraying system | |
| CN108611906A (en) | A kind of drying unit of paper production line | |
| CN205999712U (en) | A kind of dehydrating unit of fourdrinier machine wet end | |
| CN208419504U (en) | A kind of spunlace non-woven cloth auxiliary drying unit | |
| CN205399076U (en) | Water collector and papermaking equipment | |
| CN108007150A (en) | A kind of flax textile production blow-dry device | |
| CN208952211U (en) | A kind of device of floor of anti-floor heating summer moisture condensation | |
| CN106039746A (en) | Wall-sticking-proof spraying dryer | |
| CN206891079U (en) | Potassium hyperchlorate integral type Pneumatic drying device | |
| CN208701412U (en) | Steam cancellation element between a kind of paper machine roller group | |
| CN206176635U (en) | Humidification device is used in weaving workshop | |
| CN207897824U (en) | A kind of solid beverage production spray dryer | |
| CN205886259U (en) | Antiseized wall spray drier | |
| CN215691701U (en) | Spray drying device is used in production of small molecule active peptide | |
| CN204138989U (en) | The paper humidifying equipment that a kind of steam separating degree is high | |
| CN204138991U (en) | A kind of diffusivity paper humidifying equipment | |
| CN205269072U (en) | Drying device is used in citronellal production | |
| CN205262085U (en) | Bent top formula non -woven fabrics drying device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |