CN109364507B - Demister for secondary evaporation equipment - Google Patents

Demister for secondary evaporation equipment Download PDF

Info

Publication number
CN109364507B
CN109364507B CN201811435997.8A CN201811435997A CN109364507B CN 109364507 B CN109364507 B CN 109364507B CN 201811435997 A CN201811435997 A CN 201811435997A CN 109364507 B CN109364507 B CN 109364507B
Authority
CN
China
Prior art keywords
water
demister
cover
secondary evaporation
cover 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.)
Active
Application number
CN201811435997.8A
Other languages
Chinese (zh)
Other versions
CN109364507A (en
Inventor
杨迪忠
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiaxing Dingshan Information Technology Co.,Ltd.
Original Assignee
Jiaxing Dingshan Information Technology Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jiaxing Dingshan Information Technology Co ltd filed Critical Jiaxing Dingshan Information Technology Co ltd
Priority to CN201811435997.8A priority Critical patent/CN109364507B/en
Publication of CN109364507A publication Critical patent/CN109364507A/en
Application granted granted Critical
Publication of CN109364507B publication Critical patent/CN109364507B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D1/00—Evaporating
    • B01D1/30—Accessories for evaporators ; Constructional details thereof
    • B01D1/305—Demister (vapour-liquid separation)

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)

Abstract

The invention discloses a demister for secondary evaporation equipment, which comprises a screen mesh piece, wherein the screen mesh piece is cylindrical, a cover plate is arranged at the top of the screen mesh piece, the cover plate is provided with a plurality of circulation holes for gas to pass through, a mounting hole is formed in the center of the cover plate, a fixing rod fixedly connected with the mounting hole through a cross-shaped bracket is arranged in the mounting hole, a water-cooling condenser is arranged at the top of the fixing rod, and the water-cooling condenser is used for guiding ascending gas subjected to defoaming by the screen mesh piece and carrying out defoaming again; according to the demister provided by the invention, the water-cooling condenser is arranged above the screen mesh, the umbrella cover is continuously cooled to be contacted with ascending gas and cooled, so that residual water vapor is cooled and liquefied, the discharged gas is ensured to be dried, the cover plate is arranged, the cover plate is provided with the circulation hole with the froth collecting section, liquid drops are formed under the action of diffusion and gravity settling through the collision of the gas ascending, and the thorough defoaming performance is ensured through multiple treatment.

Description

Demister for secondary evaporation equipment
Technical Field
The invention relates to chemical equipment, in particular to a demister for secondary evaporation equipment.
Background
The demister means that a large amount of liquid is entrained in secondary steam during an evaporation operation, and although separation is performed in a separation chamber, in order to prevent loss of useful products or contamination of condensed liquid, it is also required to reduce entrained liquid foam, and therefore a demister is provided near a steam outlet.
The existing demister is simple in main structure, is mostly an independent screen part, forms dropping liquid by utilizing inertia of aerosol foam when the aerosol foam rises and contacts the screen part, and realizes aerosol separation by self diffusion and gravity sedimentation.
However, in the conventional secondary evaporation equipment, because the evaporation period is long, in the long-time defoaming work, the coagulation speed of dropping liquid on the wire mesh piece cannot meet the problem of defoaming efficiency due to the large amount of mist, and a small amount of mist still exists in the discharged gas.
Disclosure of Invention
The invention aims to provide a demister for secondary evaporation equipment, which solves the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a demister for secondary evaporation equipment comprises a screen mesh piece, wherein the screen mesh piece is cylindrical and is provided with a cover plate at the top, the cover plate is provided with a plurality of circulation holes for gas to pass through, the center of the cover plate is provided with a mounting hole, a fixing rod fixedly connected with the mounting hole through a cross-shaped bracket is arranged in the mounting hole, and a water-cooling condenser is arranged at the top of the fixing rod; the water-cooling condenser comprises an umbrella cover integrally formed with the fixing rod, an annular protection plate is arranged at the edge of the umbrella cover, a water cooling cavity is arranged between the umbrella cover and the protection plate, a water pump is arranged above the center of the umbrella cover, the output end of the water pump is connected with a plurality of water outlet pipes, and a plurality of vertical water spraying nozzles are arranged at the bottoms of the water outlet pipes.
Specifically, the bottom of the guard plate is provided with a drain pipe communicated with the water cooling cavity.
As a preferred embodiment of the present invention: the silk screen part side is equipped with the ring cover rather than the laminating, and the ring cover is the cylinder tube-shape to both sides are equipped with upper fixed ring and lower fixed ring respectively about the ring cover, and upper fixed ring all has the fixing base that outside level extends with lower fixed pipe, and upper fixed ring and lower fixed ring are connected through a plurality of fixing bolt.
As a still further preferable embodiment of the present invention: the circulation hole comprises an inlet section, a foam collecting section and an output section, wherein the inlet section is in butt joint with the screen mesh, the foam collecting section is above the inlet section, the output section is above the foam collecting section, the inlet section and the output section are both of a vertical hole structure, and the foam collecting section is of a bent hole structure.
Compared with the prior art, the invention has the beneficial effects that: according to the demister provided by the invention, the water-cooling condenser is arranged above the screen mesh, the umbrella cover is continuously cooled to be contacted with ascending gas and cooled, so that residual water vapor is cooled and liquefied, the discharged gas is ensured to be dried, the cover plate is arranged, the cover plate is provided with the circulation hole with the froth collecting section, liquid drops are formed under the action of diffusion and gravity settling through the collision of the gas ascending, and the thorough defoaming performance is ensured through multiple treatment.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a sectional view of the water-cooled condenser of the present invention.
Fig. 3 is a top view of the cover plate of the present invention.
FIG. 4 is a partial structural sectional view of a cover plate in another embodiment of a demister for secondary evaporation equipment according to the present invention.
In the figure, 1-a wire mesh piece, 11-a ring cover, 12-an upper fixing ring, 13-a lower fixing ring, 14-a fixing bolt, 2-a water-cooled condenser, 21-an umbrella cover, 22-a protective plate, 23-a water-cooling cavity, 24-a water pump, 25-a water outlet pipe, 26-a water spray nozzle, 27-a water discharge pipe, 28 fixing rods, 29-a cross support, 3-a cover plate, 31-a mounting hole, 32-a circulation hole, 33-an inlet section, 34-an outlet section and 35-a foam collecting section.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
referring to fig. 1-3, a demister for secondary evaporation equipment comprises a screen member 1, wherein the screen member 1 is cylindrical and is provided with a cover plate 3 at the top thereof, the cover plate 3 is provided with a plurality of circulation holes 32 for gas to pass through, a mounting hole 31 is formed in the center of the cover plate 3, a fixing rod 28 fixedly connected with the mounting hole 31 through a cross-shaped bracket 29 is arranged in the mounting hole 31, a water-cooled condenser 2 is arranged at the top of the fixing rod 28, and the water-cooled condenser 2 is used for guiding rising gas subjected to defoaming by the screen member 1 and carrying out defoaming again; the water-cooling condenser 2 comprises an umbrella cover 21 which is integrally formed with a fixing rod 28, an annular protection plate 22 is arranged at the edge of the umbrella cover 21, a water-cooling cavity 23 is arranged between the umbrella cover 21 and the protection plate 22, a water pump 24 is arranged above the center of the umbrella cover 21, the output end of the water pump 24 is connected with a plurality of water outlet pipes 25, and a plurality of vertical water spray nozzles 26 are arranged at the bottom of the water outlet pipes 25; gas generated by secondary evaporation rises to contact the umbrella cover 21 after being defoamed through the wire mesh piece, cooling water is pumped through the water pump 24, and the water spray opening 26 on the water outlet pipe 25 sprays the cooling water to the water cooling cavity 23 to cool the umbrella cover 21, so that the umbrella cover 21 is always kept in a low-temperature state, the temperature is instantly lowered when residual water vapor is contacted with the umbrella cover 21, and the residual water vapor is gradually gathered to form larger liquid drops to fall, and the defoaming thoroughness is ensured.
Specifically, the bottom of the protective plate 22 is provided with a drain pipe 27 communicated with the water cooling cavity 23, and the drain pipe is used for discharging the heated water in the water cooling cavity 23 in time, so that the umbrella cover 21 can be ensured to continuously obtain the cooling effect of the cooling water.
In order to ensure the fixed installation of the device, the side surface of the wire mesh component 1 is provided with a ring cover 11 attached to the wire mesh component, the ring cover 11 is in a cylindrical shape, an upper fixing ring 12 and a lower fixing ring 13 are respectively arranged on the upper side and the lower side of the ring cover 11, the upper fixing ring 12 and the lower fixing tube 13 are respectively provided with a fixing seat extending outwards horizontally, the upper fixing ring 12 and the lower fixing ring 13 are connected through a plurality of fixing bolts 14, the fixing seats are used for being clamped on the inner wall of the secondary evaporation equipment, and the upper fixing ring 12 and the lower fixing ring 13 are fixed through the fixing bolts 14, and the rear ring cover 11 is clamped between the two fixing.
Example 2:
as shown in fig. 4, the difference from the embodiment 1 is that, in order to further improve the completeness of defoaming, the circulation hole 32 includes an inlet section 33 butted with the wire mesh member 1, a foam collecting section 35 above the inlet section 33, and an outlet section 34 above the foam collecting section 35, both the inlet section 33 and the outlet section 34 are of a vertical hole structure, the foam collecting section 35 is of a bent hole structure, when the secondary evaporation gas rises through the circulation hole 32, the secondary evaporation gas firstly moves through the inlet section 33 to the foam collecting section 35 connected with the inlet section 33, the gas changes the flow direction inside the gas, and collides with the inner wall of the foam collecting section 35 under inertia, droplets are formed under the action of diffusion and gravity settling, the droplets continuously rise, generate friction and slow down with the foam collecting section 35, and finally slowly collect and form larger droplets to fall, and can be collected with newly formed small droplets during the falling process, so that the separation effect can be obtained, ensuring the thoroughness of defoaming.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (7)

1. A demister for secondary evaporation equipment comprises a wire mesh component (1), wherein the wire mesh component (1) is cylindrical, a cover plate (3) is arranged at the top of the wire mesh component, the cover plate (3) is provided with a plurality of circulation holes (32), a mounting hole (31) is formed in the center of the cover plate (3), a fixing rod (28) fixedly connected with the fixing rod through a cross-shaped support (29) is arranged in the mounting hole (31), and a water-cooling condenser (2) is arranged at the top of the fixing rod (28); the water-cooling condenser is characterized in that the water-cooling condenser (2) comprises an umbrella cover (21), an annular protective plate (22) is arranged at the edge of the umbrella cover (21), a water-cooling cavity (23) is arranged between the umbrella cover (21) and the protective plate (22), a water pump (24) is arranged above the center of the umbrella cover (21), the output end of the water pump (24) is connected with a plurality of water outlet pipes (25), and a plurality of vertical water spraying ports (26) are arranged at the bottom of the water outlet pipes (25).
2. The demister for secondary evaporation equipment as set forth in claim 1, wherein the umbrella cover (21) and the fixing rod (28) are of an integrally formed structure.
3. The demister for secondary evaporation equipment according to claim 1, wherein the bottom of the guard plate (22) is provided with a drain pipe (27) communicating with the water cooling chamber (23).
4. The demister for secondary evaporation equipment according to claim 1, 2 or 3, wherein the side surface of the wire mesh member (1) is provided with a ring cover (11) attached thereto, the ring cover (11) is in a cylindrical tube shape, and an upper fixing ring (12) and a lower fixing ring (13) are respectively arranged on the upper side and the lower side of the ring cover (11), and the upper fixing ring (12) and the lower fixing ring (13) are connected through a plurality of fixing bolts (14).
5. A demister for secondary evaporation equipment according to claim 4, wherein the upper fixing ring (12) and the lower fixing pipe (13) each have a fixing base extending horizontally outward.
6. A demister for a secondary evaporation apparatus according to claim 1, 2 or 3, wherein the flow hole (32) comprises an inlet section (33) abutting the wire mesh member (1), a foam collecting section (35) above the inlet section (33), and an outlet section (34) above the foam collecting section (35).
7. The demister for secondary evaporation equipment according to claim 6, wherein the inlet section (33) and the outlet section (34) are both of a vertical pore structure, and the foam collecting section (35) is of a curved pore structure.
CN201811435997.8A 2018-11-28 2018-11-28 Demister for secondary evaporation equipment Active CN109364507B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811435997.8A CN109364507B (en) 2018-11-28 2018-11-28 Demister for secondary evaporation equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811435997.8A CN109364507B (en) 2018-11-28 2018-11-28 Demister for secondary evaporation equipment

Publications (2)

Publication Number Publication Date
CN109364507A CN109364507A (en) 2019-02-22
CN109364507B true CN109364507B (en) 2020-11-27

Family

ID=65383069

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811435997.8A Active CN109364507B (en) 2018-11-28 2018-11-28 Demister for secondary evaporation equipment

Country Status (1)

Country Link
CN (1) CN109364507B (en)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203736984U (en) * 2014-02-24 2014-07-30 江山市五洲阻燃材料有限公司 Wire mesh demister
JP6540104B2 (en) * 2015-03-06 2019-07-10 株式会社豊田中央研究所 Exhaust purification system for internal combustion engine
CN204865264U (en) * 2015-07-03 2015-12-16 肥城金威机械有限公司 Vapour and liquid separator removes foam device
CN206008246U (en) * 2016-08-31 2017-03-15 山东飞扬化工有限公司 A kind of succinic acid emptier
CN207169327U (en) * 2017-06-30 2018-04-03 天津中福环保科技股份有限公司 A kind of silk screen Despumation device
CN207545877U (en) * 2017-11-20 2018-06-29 重庆雅马拓科技有限公司 A kind of condensation pipe device for increasing steam condensation number
CN108379939A (en) * 2018-03-01 2018-08-10 无锡科技职业学院 A kind of gas-liquid separation device

Also Published As

Publication number Publication date
CN109364507A (en) 2019-02-22

Similar Documents

Publication Publication Date Title
CN104411382A (en) Demister, method of modifying an existing wet-type gas scrubber and wet-type gas scrubber
CN111316043A (en) Cooking machine oil smoke processing system and cooking machine
CN109364507B (en) Demister for secondary evaporation equipment
KR20190033074A (en) Vertical tube heat exchanger and heat exchange method
US20210025629A1 (en) Refrigerant Purifcation Apparatus
CN110292839A (en) Organic tail gas hypergravity recyclable device and method
CN212283495U (en) Inertia foam dust removal absorbing device
CN209771734U (en) Gas-liquid separator
RU2604616C2 (en) Electrolytic generator purifying and degassing column
CN212982517U (en) Concentration and separation equipment
CN212523118U (en) Novel steam-water separation device
CN105879586B (en) Absorption tower with absorption separator
CA2220596C (en) Integral deaerator for a heat pipe steam condenser
CN112473249A (en) Normal-temperature gas-liquid separator
CN101732880B (en) Vacuum separation tank
CN213159447U (en) Vapour and liquid separator for methanol rectification system
CN110160100B (en) Oil smoke clarification plant
CN217236519U (en) Cooling tower circulating device for reducing scale of roasting circulating water pipeline
CN217808824U (en) Two-stage separation device for treating landfill leachate
CN214333434U (en) Cooling tower with anti-blocking function
CN210543457U (en) Condensation collection device of vegetable lubricating oil
CN216282862U (en) Waste gas treatment device
CN215141016U (en) Wet process oil mist collection device
CN220824615U (en) Acetylene mixed-desorption mist catcher
CN213253432U (en) Water vapor filtering separator for chemical production

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
TA01 Transfer of patent application right
TA01 Transfer of patent application right

Effective date of registration: 20201105

Address after: 314500 No. 308 Hangfu Road, Chongfu Town, Tongxiang City, Jiaxing City, Zhejiang Province

Applicant after: Jiaxing Dingshan Information Technology Co.,Ltd.

Address before: 410000 Zhuyuan Apartment, Furong District, Changsha City, Hunan Province, 4 604

Applicant before: Yang Dizhong

GR01 Patent grant
GR01 Patent grant
EE01 Entry into force of recordation of patent licensing contract
EE01 Entry into force of recordation of patent licensing contract

Application publication date: 20190222

Assignee: Wenling Oudian Shoes Co.,Ltd.

Assignor: Jiaxing Dingshan Information Technology Co.,Ltd.

Contract record no.: X2024980005140

Denomination of invention: A defoamer for secondary evaporation equipment

Granted publication date: 20201127

License type: Common License

Record date: 20240430

Application publication date: 20190222

Assignee: TAIZHOU BAIGELA ELECTROMECHANICAL CO.,LTD.

Assignor: Jiaxing Dingshan Information Technology Co.,Ltd.

Contract record no.: X2024980005125

Denomination of invention: A defoamer for secondary evaporation equipment

Granted publication date: 20201127

License type: Common License

Record date: 20240430

Application publication date: 20190222

Assignee: Qianjiang Group Qiangjiang Electromechanical (Wenling) Co.,Ltd.

Assignor: Jiaxing Dingshan Information Technology Co.,Ltd.

Contract record no.: X2024980005123

Denomination of invention: A defoamer for secondary evaporation equipment

Granted publication date: 20201127

License type: Common License

Record date: 20240430

Application publication date: 20190222

Assignee: Zhejiang Yuanhua Machinery Co.,Ltd.

Assignor: Jiaxing Dingshan Information Technology Co.,Ltd.

Contract record no.: X2024980005114

Denomination of invention: A defoamer for secondary evaporation equipment

Granted publication date: 20201127

License type: Common License

Record date: 20240430

Application publication date: 20190222

Assignee: ZHEJIANG HAOLEI MECHANICS & ELECTRICAL Co.,Ltd.

Assignor: Jiaxing Dingshan Information Technology Co.,Ltd.

Contract record no.: X2024980005104

Denomination of invention: A defoamer for secondary evaporation equipment

Granted publication date: 20201127

License type: Common License

Record date: 20240430

Application publication date: 20190222

Assignee: ZHEJIANG HONGDUN MACHINERY Co.,Ltd.

Assignor: Jiaxing Dingshan Information Technology Co.,Ltd.

Contract record no.: X2024980005189

Denomination of invention: A defoamer for secondary evaporation equipment

Granted publication date: 20201127

License type: Common License

Record date: 20240430

Application publication date: 20190222

Assignee: Taizhou bird electromechanical Co.,Ltd.

Assignor: Jiaxing Dingshan Information Technology Co.,Ltd.

Contract record no.: X2024980005187

Denomination of invention: A defoamer for secondary evaporation equipment

Granted publication date: 20201127

License type: Common License

Record date: 20240430

EE01 Entry into force of recordation of patent licensing contract

Application publication date: 20190222

Assignee: Taizhou Kangpai Capacitor Co.,Ltd.

Assignor: Jiaxing Dingshan Information Technology Co.,Ltd.

Contract record no.: X2024980005245

Denomination of invention: A defoamer for secondary evaporation equipment

Granted publication date: 20201127

License type: Common License

Record date: 20240506

Application publication date: 20190222

Assignee: Wenling Dachang Electric Co.,Ltd.

Assignor: Jiaxing Dingshan Information Technology Co.,Ltd.

Contract record no.: X2024980005242

Denomination of invention: A defoamer for secondary evaporation equipment

Granted publication date: 20201127

License type: Common License

Record date: 20240506

Application publication date: 20190222

Assignee: WENLING JIAYANG CAPACITOR CO.,LTD.

Assignor: Jiaxing Dingshan Information Technology Co.,Ltd.

Contract record no.: X2024980005241

Denomination of invention: A defoamer for secondary evaporation equipment

Granted publication date: 20201127

License type: Common License

Record date: 20240506

Application publication date: 20190222

Assignee: WENLING JINYIYANG MACHINERY Co.,Ltd.

Assignor: Jiaxing Dingshan Information Technology Co.,Ltd.

Contract record no.: X2024980005240

Denomination of invention: A defoamer for secondary evaporation equipment

Granted publication date: 20201127

License type: Common License

Record date: 20240506

Application publication date: 20190222

Assignee: WENLING DELIZHONG MACHINERY MANUFACTURING Co.,Ltd.

Assignor: Jiaxing Dingshan Information Technology Co.,Ltd.

Contract record no.: X2024980005231

Denomination of invention: A defoamer for secondary evaporation equipment

Granted publication date: 20201127

License type: Common License

Record date: 20240506

EE01 Entry into force of recordation of patent licensing contract

Application publication date: 20190222

Assignee: Zhejiang Zhiming Pump Industry Co.,Ltd.

Assignor: Jiaxing Dingshan Information Technology Co.,Ltd.

Contract record no.: X2024980005336

Denomination of invention: A defoamer for secondary evaporation equipment

Granted publication date: 20201127

License type: Common License

Record date: 20240507

Application publication date: 20190222

Assignee: ZHONGTIAN KITCHEN PRODUCTS CO.,LTD.

Assignor: Jiaxing Dingshan Information Technology Co.,Ltd.

Contract record no.: X2024980005254

Denomination of invention: A defoamer for secondary evaporation equipment

Granted publication date: 20201127

License type: Common License

Record date: 20240507

Application publication date: 20190222

Assignee: WENLING CITY ANTONG ELECTRIC APPLIANCE Co.,Ltd.

Assignor: Jiaxing Dingshan Information Technology Co.,Ltd.

Contract record no.: X2024980005251

Denomination of invention: A defoamer for secondary evaporation equipment

Granted publication date: 20201127

License type: Common License

Record date: 20240507

Application publication date: 20190222

Assignee: Wenling Liyu Machinery Co.,Ltd.

Assignor: Jiaxing Dingshan Information Technology Co.,Ltd.

Contract record no.: X2024980005250

Denomination of invention: A defoamer for secondary evaporation equipment

Granted publication date: 20201127

License type: Common License

Record date: 20240507