CN109237969B - Cooling device and cooling method for chemical raw materials - Google Patents

Cooling device and cooling method for chemical raw materials Download PDF

Info

Publication number
CN109237969B
CN109237969B CN201811077984.8A CN201811077984A CN109237969B CN 109237969 B CN109237969 B CN 109237969B CN 201811077984 A CN201811077984 A CN 201811077984A CN 109237969 B CN109237969 B CN 109237969B
Authority
CN
China
Prior art keywords
tube
body shell
pipe
heat transfer
raw materials
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
CN201811077984.8A
Other languages
Chinese (zh)
Other versions
CN109237969A (en
Inventor
闫朝阳
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.)
CHINA BULE STAR HARBIN PETROCHEMICAL Co Ltd
Original Assignee
CHINA BULE STAR HARBIN PETROCHEMICAL 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 CHINA BULE STAR HARBIN PETROCHEMICAL Co Ltd filed Critical CHINA BULE STAR HARBIN PETROCHEMICAL Co Ltd
Priority to CN201811077984.8A priority Critical patent/CN109237969B/en
Publication of CN109237969A publication Critical patent/CN109237969A/en
Application granted granted Critical
Publication of CN109237969B publication Critical patent/CN109237969B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28DHEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D11/00Heat-exchange apparatus employing moving conduits
    • F28D11/02Heat-exchange apparatus employing moving conduits the movement being rotary, e.g. performed by a drum or roller
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F13/00Arrangements for modifying heat-transfer, e.g. increasing, decreasing
    • F28F13/06Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media
    • F28F13/12Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media by creating turbulence, e.g. by stirring, by increasing the force of circulation
    • F28F13/125Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media by creating turbulence, e.g. by stirring, by increasing the force of circulation by stirring

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

A cooling device and a cooling method for chemical raw materials relate to a cooling device and a cooling method. The tube box is arranged inside the tube body shell, a plurality of heat transfer tubes are arranged between the two tube boxes, a plurality of baffle plates are fixed in the middle of the heat transfer tubes, the tube box is provided with a tube head, a circular sealing plate is provided with a central connecting tube and an eccentric connecting tube, the tube head is connected with the corresponding central connecting tube through a first rotary sealing element, the circular sealing plate is connected with the corresponding end face of the tube body shell through a second rotary sealing element, two transmission disks are fixed on two sides of the heat transfer tubes, the transmission disks are provided with ruler teeth and are meshed with three gears, a shaft rod is fixedly connected with the circular sealing plate, an outer gear ring and two inner gear rings are fixed on the tube body shell, the inner gear rings are. The pipe body shell and the heat transfer component form a planetary gear system, and the efficiency and the effect of convective heat transfer are obviously improved.

Description

Cooling device and cooling method for chemical raw materials
Technical Field
The invention relates to a cooling device and a cooling method, in particular to a cooling device and a cooling method for chemical raw materials.
Background
In the chemical field, a heat exchanger is generally used for heat exchange and cooling when chemical raw materials of liquid media are cooled, wherein a shell-and-tube heat exchanger (also called a shell-and-tube heat exchanger) is the most widely applied heat exchanger at present.
The traditional shell-and-tube heat exchanger exchanges heat with two fluids, namely cold fluid and hot fluid, wherein one fluid flows in a heat transfer tube and is called tube-side fluid, and the other fluid flows outside the heat transfer tube and is called shell-side fluid. To increase the heat transfer coefficient of the shell-side fluid, multiple baffles are typically installed in the tube housing to increase the velocity of the shell-side fluid, forcing the fluid to traverse the heat transfer assembly multiple times, and increasing the degree of fluid turbulence.
However, the tube body shell and the heat transfer component of the traditional shell-and-tube heat exchanger adopt a fixed form, so that a heat transfer dead zone exists generally, the efficiency and the effect of heat convection are difficult to be obviously improved, and the rapid and effective cooling of the chemical raw materials of the liquid medium is not facilitated.
Disclosure of Invention
In order to overcome the defects in the background art, the invention provides a cooling device and a cooling method for chemical raw materials.
The invention adopts the following technical scheme: a cooling device for chemical raw materials comprises a tube body shell, a heat transfer assembly and two circular seal plates, wherein the tube body shell is horizontally arranged, the heat transfer assembly comprises two tube boxes, a plurality of heat transfer tubes and a plurality of baffle plates, the two tube boxes are hollow cylindrical members and are coaxially arranged in the tube body shell at intervals, the plurality of heat transfer tubes are uniformly arranged between the adjacent side end faces of the two tube boxes, each heat transfer tube is used for communicating and fixing the two tube boxes, the baffle plates are fixedly arranged at the middle positions of the plurality of heat transfer tubes in an equidistant and staggered manner, the two circular seal plates are respectively arranged at the two ends of the tube body shell, the cooling device for the chemical raw materials further comprises a bottom plate, a motor, two stand columns, two transmission discs, three shaft levers and six gears, the far side end faces of the two seal plates are, the outer ends of the two tube heads are respectively and rotationally connected with the inner ends of the corresponding central connecting tubes through a rotary sealing element, the circumferential positions of the inner side surfaces of the two circular sealing plates are respectively and rotationally connected with the corresponding end surfaces of the tube body shell through a rotary sealing element, two transmission disks are fixed at the positions of two sides of the heat transfer tubes and are coaxially arranged with the two tube boxes, the circumferential surface of each transmission disk is provided with teeth and is meshed with three gears at equal angles, each corresponding two gears are rotationally arranged on a shaft lever, two ends of the shaft lever are respectively and fixedly connected with the corresponding circular sealing plates through sealing bolts, two inner gear rings are coaxially fixed on the inner side wall of the tube body shell, each inner gear ring is meshed with the corresponding three gears, an outer gear ring is coaxially fixed in the middle of the outer side wall of the tube body shell, the bottom plate is positioned below the, the motor is fixedly arranged on the upper surface of the base plate through the base, a driving wheel is coaxially fixed at the outer end of an output shaft of the motor, and the driving wheel is meshed with the outer gear ring.
The cooling method of the cooling device for the chemical raw materials comprises the following steps:
the method comprises the following steps: the cooling liquid is input through one eccentric connecting pipe, filled in the inner space of the pipe shell and the two circular sealing plates and then output through the other eccentric connecting pipe;
step two: the motor is connected with an external power supply and is started, the motor drives the tube body shell to rotate through the driving wheel, the tube body shell drives the two transmission disks to rotate through the six gears, the two transmission disks drive the whole heat transfer assembly to rotate, the rotation speed difference exists between the tube body shell and the heat transfer assembly, and then the interference stirring of the strip-shaped stirring sheet is matched to enable the cooling liquid to form spiral jet flow;
step three: chemical raw materials of the liquid medium are input through one central connecting pipe, the central connecting pipe and the other eccentric connecting pipe are positioned on the same side, the chemical raw materials of the liquid medium are output through the other central connecting pipe, the chemical raw materials of the liquid medium and the cooling liquid flow oppositely, and heat exchange is carried out through the heat transfer pipe, so that the cooling effect is realized.
Compared with the prior art, the invention has the beneficial effects that: the pipe body shell and the heat transfer component form a planetary gear system which can rotate relatively, and a rotation speed difference exists between the pipe body shell and the heat transfer component, so that a great disturbance effect is achieved in the pipe body shell, a heat transfer dead zone existing in a traditional shell-and-tube heat exchanger is eliminated, the efficiency and the effect of convective heat transfer are obviously improved, the structure is reasonable and effective, the practicability is high, and the popularization and the use are facilitated.
Drawings
Fig. 1 is an isometric view of the overall construction of a cooling device for chemical raw materials in accordance with the present invention;
FIG. 2 is an isometric view of a heat transfer assembly of the present invention;
figure 3 is an isometric view of the tube body housing of the present invention in a disassembled configuration with two circular closure plates;
FIG. 4 is a schematic view of the connection structure between the tube box and the circular sealing plate according to the present invention;
fig. 5 is a schematic view of the connection structure between the tube housing and the circular sealing plate according to the present invention.
Detailed Description
The technical solutions in the present invention will be described clearly and completely with reference to the accompanying 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 invention, rather than all embodiments, and all other embodiments obtained by those skilled in the art without any creative work based on the embodiments of the present invention belong to the protection scope of the present invention.
In a first specific embodiment, as shown in fig. 1 ~ and fig. 5, the invention discloses a cooling device for chemical raw materials, which comprises a tube body shell 1, a heat transfer component and two circular seal plates 3, wherein the tube body shell 1 is horizontally arranged, the heat transfer component comprises two tube boxes 7, a plurality of heat transfer tubes 8 and a plurality of baffle plates 9, the two tube boxes 7 are hollow cylindrical members and are coaxially arranged in the tube body shell 1 at intervals, a plurality of heat transfer tubes 8 are uniformly arranged between the adjacent side end surfaces of the two tube boxes 7, each heat transfer tube 8 is used for communicating and fixing the two tube boxes 7, the middle positions of the plurality of heat transfer tubes 8 are equidistantly and alternately fixed with the plurality of baffle plates 9, the two circular seal plates 3 are respectively arranged at the two ends of the tube body shell 1, the cooling device for chemical raw materials further comprises a bottom plate 15, a motor 18, two upright posts 16, two transmission discs 10, three shaft levers 6 and six gears 5, the two tube boxes 7 are respectively coaxially communicated and provided with a tube head 7-1 by being far away from the side end surfaces, each circular seal plate 3 is provided with a central connection pipe 3-1 and an eccentric connection pipe 3-2, the outer end surface of the central connection pipe 3 is respectively connected with the outer end surface of the corresponding to the outer end surface of the central connection tube 3 of the central connection pipe 3 through a rotary drive wheel 1 through a rotary gear 10, the two rotary shaft 1-1, the rotary shaft 3, the two rotary shaft 3-2, the rotary shaft 3 is respectively fixed with the rotary shaft 3, the two rotary shaft 3, the rotary shaft 3 is fixed with the inner side end of the rotary shaft 1, the rotary shaft 3, the rotary shaft 1 is fixed with the rotary shaft 1, the rotary shaft 1.
The second embodiment is as follows: as shown in fig. 3, in this embodiment, a first specific embodiment is further described, a plurality of strip-shaped stirring pieces 1-2 are uniformly fixed on the inner side wall of the pipe body housing 1 between the two inner gear rings 1-1 along the circumferential direction, and the plurality of strip-shaped stirring pieces 1-2 are all arranged along the radial direction of the pipe body housing 1.
The third concrete implementation mode: as shown in fig. 1, in this embodiment, the first or second embodiment is further described, upper ends of the two upright posts 16 are respectively fixedly connected to the corresponding circular sealing plates 3, sliding grooves 15-1 are respectively formed on the upper surface of the bottom plate 15 and at positions corresponding to the two upright posts 16 along the axial direction of the pipe housing 1, and sliding blocks are arranged at lower ends of the two upright posts 16 and are slidably connected to the corresponding sliding grooves 15-1. The lower end of the upright post 16 can slide along the sliding groove 15-1, so that the circular closing plate 3 can be conveniently detached and moved.
The fourth concrete implementation mode: as shown in fig. 1, 2, and 4, the first rotary sealing element is further described with respect to the first specific embodiment, the first rotary sealing element includes a moving ring 11, a stationary ring 12, a thrust spring 13, and an installation shell 14, the installation shell 14 is a cylindrical member with an open end and a closed end, the center of the closed end of the installation shell 14 is provided with a through hole and rotatably sleeved on the corresponding tube head 7-1, the open end of the installation shell 14 is coaxially and fixedly connected with the inner side of the corresponding circular sealing plate 3, the moving ring 11 is sleeved and fixed at the outer end of the tube head 7-1, the thrust spring 13 is sleeved on the tube head 7-1 and is supported between the moving ring 11 and the closed end of the installation shell 14 in a compression manner, and the stationary ring 12 and the moving ring 11 are cooperatively arranged and fixed at a position.
The fifth concrete implementation mode: as shown in fig. 2 and 4, in the present embodiment, a fourth embodiment is further described, in which the outer shape of the rotating ring 11 is a circular truncated cone, and the inner hole of the stationary ring 12 is a circular truncated cone fitted with the rotating ring 11.
The sixth specific implementation mode: as shown in fig. 3 and 5, in this embodiment, the first embodiment is further described, the second rotary seal includes a teflon sliding ring 2 and a rubber O-ring 4, which are engaged with each other, the rubber O-ring 4 is embedded and fixed in a circumferential position on an inner side surface of the corresponding circular sealing plate 3, and the teflon sliding ring 2 is fixed at a corresponding end of the tube housing 1.
Seventh embodiment, as shown in fig. 1 ~ and fig. 5, the present embodiment discloses a cooling method of a cooling apparatus for chemical raw materials according to the third embodiment, where the cooling method includes the following steps:
the method comprises the following steps: cooling liquid is input through one eccentric connecting pipe 3-2, the cooling liquid fills the inner space of the pipe shell 1 and the two circular sealing plates 3 and is output through the other eccentric connecting pipe 3-2;
step two: the motor 18 is connected with an external power supply and is started, the motor 18 drives the tube body shell 1 to rotate through the driving wheel 18-1, the tube body shell 1 drives the two transmission disks 10 to rotate through the six gears 5, the two transmission disks 10 drive the whole heat transfer assembly to rotate, the tube body shell 1 and the heat transfer assembly have a rotation speed difference, and then the interference stirring of the strip-shaped stirring sheets 1-2 is matched to enable the cooling liquid to form spiral jet flow;
step three: chemical raw materials of liquid media are input through a central connecting pipe 3-1, the central connecting pipe 3-1 and the other eccentric connecting pipe 3-2 are positioned on the same side, the chemical raw materials of the liquid media are output through the other central connecting pipe 3-1, the chemical raw materials of the liquid media and cooling liquid flow oppositely, and heat exchange is carried out through a heat transfer pipe 8, so that the cooling effect is realized.
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. The utility model provides a cooling device for industrial chemicals, includes body shell (1), heat transfer assembly and two circular shrouding (3), body shell (1) level sets up, heat transfer assembly includes two pipe boxes (7), many heat-transfer pipes (8) and many baffling boards (9), two pipe boxes (7) are hollow cylindrical component and coaxial interval setting inside body shell (1), evenly are equipped with many heat-transfer pipes (8) between two pipe box (7) the neighbouring side end face, every heat-transfer pipe (8) are fixed with two pipe boxes (7) intercommunication, and many heat-transfer pipes (8) intermediate position are equidistant crisscross to be fixed with many baffling boards (9), two circular shrouding (3) set up respectively at body shell (1) both ends, its characterized in that: the cooling device for the chemical raw materials further comprises a bottom plate (15), a motor (18), two stand columns (16), two transmission disks (10), three shaft rods (6) and six gears (5), wherein the two tube boxes (7) are respectively and coaxially communicated with the far side end faces and are provided with tube heads (7-1), each circular sealing plate (3) is communicated with a central connecting tube (3-1) and an eccentric connecting tube (3-2), the outer ends of the two tube heads (7-1) are respectively and rotatably connected with the corresponding inner end of the central connecting tube (3-1) through rotary sealing parts, the circumferential positions of the inner side faces of the two circular sealing plates (3) are respectively and rotatably connected with the corresponding end faces of the tube body shell (1) through rotary sealing parts, the two transmission disks (10) are fixed on the two sides of the plurality of heat transfer tubes (8), and the two transmission disks (10) are coaxially arranged, the periphery of each transmission disc (10) is provided with teeth and is engaged with three gears (5) at equal angles, each corresponding two gears (5) are rotatably arranged on one shaft lever (6), two ends of each shaft lever (6) are fixedly connected with the corresponding circular sealing plate (3) through sealing bolts respectively, two inner gear rings (1-1) are coaxially fixed on the inner side wall of the pipe body shell (1), each inner gear ring (1-1) is engaged with the corresponding three gears (5), an outer gear ring (1-3) is coaxially fixed in the middle of the outer side wall of the pipe body shell (1), the bottom plate (15) is positioned below the pipe body shell (1) and fixedly supports the two circular sealing plates (3) through two upright posts (16), the motor (18) is fixedly arranged on the upper surface of the bottom plate (15) through a base (17), and a driving wheel (18-1) is coaxially fixed at the outer end of an output shaft of the motor (18), the driving wheel (18-1) is meshed with the outer gear ring (1-3).
2. The cooling device for chemical raw materials according to claim 1, characterized in that: the inner side wall of the pipe body shell (1) is located between the two inner gear rings (1-1), a plurality of bar-shaped stirring pieces (1-2) are uniformly fixed along the circumferential direction of the inner side wall, and the bar-shaped stirring pieces (1-2) are all arranged along the radial direction of the pipe body shell (1).
3. The cooling device for chemical raw materials according to claim 1 or 2, characterized in that: the upper ends of the two upright posts (16) are fixedly connected with the corresponding circular sealing plates (3) respectively, sliding grooves (15-1) are formed in the positions, corresponding to the two upright posts (16), of the upper surface of the bottom plate (15) respectively along the axial direction of the pipe body shell (1), and sliding blocks are arranged at the lower ends of the two upright posts (16) and are in sliding connection with the corresponding sliding grooves (15-1).
4. The cooling device for chemical raw materials according to claim 1, characterized in that: one rotary seal piece includes rotating ring (11), quiet ring (12), thrust spring (13) and installation shell (14), installation shell (14) are one end opening one end confined cylindric component, and installation shell (14) blind end center is equipped with the through-hole and rotates the suit and correspond on tube head (7-1), installation shell (14) open end and corresponding circular shrouding (3) the coaxial rigid coupling of medial surface, rotating ring (11) suit is fixed in tube head (7-1) outer end, thrust spring (13) suit is on tube head (7-1) and the compression support is between rotating ring (11) and installation shell (14) blind end, quiet ring (12) set up and fix in installation shell (14) inside wall next-door neighbour opening end position with rotating ring (11) cooperation.
5. The cooling device for chemical raw materials according to claim 4, characterized in that: the movable ring (11) is in a circular truncated cone shape, and the inner hole of the fixed ring (12) is in a circular truncated cone shape matched with the movable ring (11).
6. The cooling device for chemical raw materials according to claim 1, characterized in that: the rotary sealing element II comprises a polytetrafluoroethylene sliding ring (2) and a rubber O-shaped ring (4) which are matched with each other, the rubber O-shaped ring (4) is embedded and fixed at the circumferential position of the inner side surface of the corresponding circular sealing plate (3), and the polytetrafluoroethylene sliding ring (2) is fixed at one end, corresponding to the pipe body shell (1).
7. The cooling method of the chemical raw material cooling apparatus according to claim 3, characterized in that: the cooling method comprises the following steps:
the method comprises the following steps: cooling liquid is input through one eccentric connecting pipe (3-2), the cooling liquid fills the inner space of the pipe shell (1) and the two circular sealing plates (3) and is output through the other eccentric connecting pipe (3-2);
step two: the motor (18) is connected with an external power supply and is started, the motor (18) drives the tube body shell (1) to rotate through the driving wheel (18-1), the tube body shell (1) drives the two transmission disks (10) to rotate through the six gears (5), the two transmission disks (10) drive the whole heat transfer component to rotate, the tube body shell (1) and the heat transfer component have a rotation speed difference, and then the cooling liquid forms spiral jet flow by the interference stirring of the strip-shaped stirring sheets (1-2);
step three: chemical raw materials of liquid media are input through a central connecting pipe (3-1), the central connecting pipe (3-1) and the other eccentric connecting pipe (3-2) are positioned on the same side, the chemical raw materials of the liquid media are output through the other central connecting pipe (3-1), the chemical raw materials of the liquid media and cooling liquid flow oppositely, and heat exchange is carried out through a heat transfer pipe (8), so that the cooling effect is realized.
CN201811077984.8A 2018-09-16 2018-09-16 Cooling device and cooling method for chemical raw materials Active CN109237969B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811077984.8A CN109237969B (en) 2018-09-16 2018-09-16 Cooling device and cooling method for chemical raw materials

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811077984.8A CN109237969B (en) 2018-09-16 2018-09-16 Cooling device and cooling method for chemical raw materials

Publications (2)

Publication Number Publication Date
CN109237969A CN109237969A (en) 2019-01-18
CN109237969B true CN109237969B (en) 2020-01-14

Family

ID=65059425

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811077984.8A Active CN109237969B (en) 2018-09-16 2018-09-16 Cooling device and cooling method for chemical raw materials

Country Status (1)

Country Link
CN (1) CN109237969B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110006279B (en) * 2019-04-18 2020-07-03 绍兴柯桥佳宇兴腾染整有限公司 Printing and dyeing wastewater recycling device
CN110514018B (en) * 2019-08-30 2020-11-24 吉林建筑科技学院 Smelting furnace heat exchange cooling device and operation method

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11264680A (en) * 1998-03-17 1999-09-28 Toshiba Eng Co Ltd Heat exchanger
CN2553322Y (en) * 2002-05-26 2003-05-28 杨琳琳 Centrifugal heat exchanger
CN102538515A (en) * 2011-12-29 2012-07-04 中国船舶重工集团公司第七一一研究所 Rotary tube bundle heat exchanger
CN103256840B (en) * 2013-05-29 2015-01-14 常熟威玛乳品机械有限公司 Heat exchanging device
CN105674719B (en) * 2016-02-01 2018-01-30 黑龙江八一农垦大学 Gas phase rotary heat exchanger
CN105928400B (en) * 2016-06-22 2017-10-20 陈龙阵 A kind of sealing orientation of septate heat transfer apparatus for rotating concentrates heat transfer unit (HTU)

Also Published As

Publication number Publication date
CN109237969A (en) 2019-01-18

Similar Documents

Publication Publication Date Title
CN109237969B (en) Cooling device and cooling method for chemical raw materials
CN107764106B (en) A kind of rotation blade heat exchanger
CN207439219U (en) High-efficiency tubular heat exchanger
CN103175420B (en) Core rotation type shell-and-tube heat exchanger
CN202013125U (en) Novel fluid impact rotary-type heat exchanger
CN209294094U (en) A kind of large high-temperature centrifugal fan with cooling device
CN214371894U (en) Chemical heat exchanger for chemical production
CN210980939U (en) Spiral tubular heat exchanger
CN117433327A (en) Tube type condenser
CN203534293U (en) Novel multi-cavity rotation heat-exchange device
CN103453790A (en) Novel multi-chamber rotary heat exchange equipment
CN211782941U (en) Chemical heat exchanger for chemical production
CN210922295U (en) Detachable multi-medium heat exchanger
CN220187491U (en) Single-flow reducing pipe coiled heat exchanger
JPS62108999A (en) Supporting structure for heat transfer tube
CN103370593A (en) Heat transfer
CN101975521A (en) Straight pipe dividing wall type heat exchanger
CN216009912U (en) Rotary joint device of rotary surface cooler
CN211202841U (en) Cooling tower fan speed reducer cooling device for production of methyl methacrylate
CN214308301U (en) Chemical reaction heat exchange equipment
CN203274552U (en) Low-resistance heat exchanger
CN215995620U (en) Vertical low boiling tower reboiler
CN117213282B (en) Heat exchanger of injection molding machine
CN108731536A (en) Environment-friendly type pipe heat exchanger
CN104457343A (en) Arc-shaped heat exchange plate type cylindrical heat exchange 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