CN104879959B - A kind of dry evaporator - Google Patents
A kind of dry evaporator Download PDFInfo
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- CN104879959B CN104879959B CN201510362734.9A CN201510362734A CN104879959B CN 104879959 B CN104879959 B CN 104879959B CN 201510362734 A CN201510362734 A CN 201510362734A CN 104879959 B CN104879959 B CN 104879959B
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- cylinder
- fixed cylinder
- fixed
- shell side
- dividing plate
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B39/00—Evaporators; Condensers
- F25B39/02—Evaporators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F11/00—Arrangements for sealing leaky tubes and conduits
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention provides a kind of dry evaporator, belong to technical field of heat exchange.It solves the technical problems such as the tube bank cleaning inconvenience of existing dry evaporator.This dry evaporator includes front header, rear header and the cylinder cylinder being arranged between front header and rear header include the preceding fixed cylinder set gradually, middle cylinder body and rear fixed cylinder, preceding fixed cylinder is fixed with front header, fixed cylinder and rear header are fixed afterwards, middle cylinder body is made up of two sections in half cylinder of circular arc, the both ends and both sides edge of two and half cylinders are respectively provided with bead, two and half cylinders are fixedly connected by bolt through the bead of both sides, the end of preceding fixed cylinder and the end of rear fixed cylinder are respectively and fixedly provided with flange, the bead at two and half cylinder both ends is bonded fixation with the flange on the flange and the end of rear fixed cylinder on preceding fixed cylinder end respectively.The present invention has the advantages of maintaining for greatly facilitating evaporator.
Description
Technical field
The invention belongs to technical field of heat exchange, is related to a kind of dry evaporator.
Background technology
Dry evaporator is that refrigerant flows in heat exchange Bottomhole pressure, refrigerating medium outside pipe, refrigerant suction refrigerating medium
Heat completes an evaporating completely.
The shell side of dry evaporator is mostly the refrigerating medium such as water, salt solution, and these refrigerating mediums carry out heat in the shell side of evaporator
While exchange, dirt can usually be remained in the interbank of housing, with the extension of usage time, dirt is more long-pending thicker, sternly
Ghost image rings the heat transfer efficiency of evaporator, thus needs periodic flushing to restrain, but if tube bank is not released from housing, rinses
Poor effect.In order to solve this problem, the dry evaporator of prior art is usually designed to whole heat-exchanging tube bundle tube sheet, drawn
Bar, distance sink tube, deflection plate, set of heat exchange tubes entirely restrain very heavy, the dirt card deposited in addition into the structure extracted out in the lump
It is puckery, it is difficult that can not even extract out at the scene, causes the tube bank maintenance clean of dry evaporator very troublesome, take time and effort.
The content of the invention
The purpose of the present invention is above mentioned problem be present for existing technology, it is proposed that a kind of dry evaporator, the present invention
The technical problem of solution is easy for cleaning tube bank.
The purpose of the present invention can be realized by following technical proposal：
A kind of dry evaporator, including front header, rear header and the cylinder being arranged between front header and rear header, it is special
Sign is that the cylinder includes preceding fixed cylinder, middle cylinder body and the rear fixed cylinder set gradually, and the preceding fixed cylinder is with before
Bobbin carriage is fixed, and the rear fixed cylinder and rear header are fixed, and the middle cylinder body is made up of two sections in half cylinder of circular arc,
The both ends and both sides edge of two half cylinders are respectively provided with bead, and two half cylinders pass through the bead of both sides by bolt
It is fixedly connected, the end of the preceding fixed cylinder and the end of rear fixed cylinder are respectively and fixedly provided with flange, two half cylinders two
The bead at end is bonded fixation with the flange on the flange and the end of rear fixed cylinder on preceding fixed cylinder end respectively.
Front header is provided with feed tube and steam outlet pipe, and tube bank is fixed with cylinder, and the both ends of tube bank pass through preceding fixation respectively
The back tube sheet on front tube sheet and rear fixed cylinder on cylinder is fixed, and some through holes connected with front header are provided with front tube sheet,
Some through holes connected with rear header are provided with back tube sheet, the both ends of tube bank connect fixation with above-mentioned through hole respectively；Said structure
Middle middle cylinder body is demountable structure, is sealed admittedly between preceding fixed cylinder and rear fixed cylinder when two and half cylinders are installed together
It is fixed, the heat exchange of evaporator can be achieved, after a long time use, can be by the way that two plate cylinders be disassembled, the tube bank in cylinder
Just outside, tube bank can be easily rinsed, two and half cylinders being reinstalled after the completion of flushing can make again together
With greatly facilitating the maintaining of evaporator.
In above-mentioned dry evaporator, two half cylinders are equal in distribution, the section of two half cylinders up and down
Semicircular in shape, two side flanges of two half cylinders are located at the both sides of middle cylinder body respectively.The structure cause two and half cylinders it
Between junction be located at the both sides of cylinder, reduce the pressure of sealing；Half cylinder semicircular in shape is avoided and restrained when disassembling
Collide.
In above-mentioned dry evaporator, sealing strip one is fixed between corresponding both sides on two half cylinders.It is logical
Crossing sealing strip one increases the sealing of junction between two and half cylinders.
In above-mentioned dry evaporator, the bead at two half cylinder both ends and the flange on preceding fixed cylinder end
Sealing strip two is respectively and fixedly provided between the flange on the end of rear fixed cylinder.Two and half cylinders are increased with before by sealing strip two
Sealing between flange on fixed cylinder end and the flange on the end of rear fixed cylinder.
Sealing strip one and sealing strip two are integrally connected, and improve corner sealing property between half cylinder both sides and both ends.
In above-mentioned dry evaporator, at least one shell side dividing plate, the shell side layering are provided with the cylinder
At least two refrigerating chambers, the shell side dividing plate and preceding fixed cylinder, middle cylinder body are formed between dividing plate and cylinder and is fixed afterwards
It is tightly connected between cylinder.Shell side dividing plate is vertically arranged, and shell side dividing plate realizes the polyphyly of dry evaporator
System operation, improve the heat transfer efficiency of evaporator.
In above-mentioned dry evaporator, forward and backward two sections of the shell side dividing plate be separately fixed at before fixed cylinder and
Afterwards in fixed cylinder, the front and rear end of the shell side dividing plate respectively with the front tube sheet on preceding fixed cylinder and rear fixed cylinder
Back tube sheet on body is welded and fixed, and is welded positioned at the inwall of the upper and lower end face of the shell side dividing plate leading portion and preceding fixed cylinder
Fixation is connect, is welded and fixed positioned at the upper and lower end face of the shell side dividing plate back segment and the inwall of rear fixed cylinder.Due to preceding solid
Safety barrel body and rear fixed cylinder are fixed, therefore the fixing intensity of shell side dividing plate had both been can guarantee that by way of welding,
Also it can guarantee that the seal between shell side dividing plate and preceding fixed cylinder and rear fixed cylinder so that refrigerating chamber keeps independent
Property.
In above-mentioned dry evaporator, sealing gasket is respectively and fixedly provided with the upper and lower end face in the shell side dividing plate stage casing,
Sealing gasket on the upper and lower end face in the shell side dividing plate stage casing can be respectively with two half cylinders inwall be bonded
Against.Because middle cylinder body is removable structure, therefore when two and half cylinders are installed together by sealing gasket and half cylinder
Wall fitting seals against realization so that two and half cylinders can be dismantled freely, can still keep sealing after reinstalling, and realize anti-
Multiple practical purpose.
In above-mentioned dry evaporator, the sealing gasket includes body and two pieces of sealing projections, one end of the body
On be provided with U-shaped groove, the upper and lower end face in the shell side dividing plate stage casing can be respectively embedded into U-shaped groove, and the body passes through
Screw bolt and nut is fixed in shell side dividing plate, and two pieces of sealing projections are respectively positioned at the both sides of body and opposing body
The other end is raised, and the angle between two pieces of sealing projections is obtuse angle.Sealing gasket by U-shaped groove and shell side dividing plate it
Between form sealing, then be bonded by two pieces of sealing projections with the inwall of half cylinder against the sealing between realization and half cylinder, by
It is located at arc surface in the inwall of half cylinder, therefore two pieces of sealing projections can extrude after the installation of half cylinder to two outsides, so as to tight
The inwall of half cylinder is attached to, two pieces of sealing projections form two seals so that sealing property is more preferably.
In above-mentioned dry evaporator, the body both sides are additionally provided with tabletting, the screw bolt and nut respectively with tabletting
Against compression.Tabletting can cause the cell wall of the U-shaped groove of body to be more closely fitted on the two sides of shell side dividing plate, protect
Demonstrate,prove the sealing between sealing gasket and shell side dividing plate.
In above-mentioned dry evaporator, the preceding fixed cylinder is provided with corresponds the water outlet connected with refrigerating chamber
Pipe, the rear fixed cylinder is provided with corresponds the water inlet pipe connected with refrigerating chamber.The structure to keep between refrigerating chamber
It is independent, improve the heat transfer efficiency of evaporator.
Compared with prior art, this dry evaporator has the maintaining for greatly facilitating evaporator and improved
The advantages of heat transfer efficiency of evaporator.
Brief description of the drawings
Fig. 1 is the structural representation of this dry evaporator.
Fig. 2 is the structural representation of half cylinder in this dry evaporator.
Fig. 3 is the forward sight structural representation of middle cylinder body in the present embodiment one.
Fig. 4 is the partial enlargement structural representation in A portions in Fig. 3.
Fig. 5 is the partial enlargement structural representation in B portions in Fig. 3.
Fig. 6 is the forward sight structural representation of middle cylinder body in the present embodiment two.
In figure, 1, front header；11st, feed tube；12nd, steam outlet pipe；2nd, rear header；3rd, preceding fixed cylinder；3a, front tube sheet；3b、
Outlet pipe；31st, middle cylinder body；311st, half cylinder；311a, bead；32nd, rear fixed cylinder；32a, back tube sheet；32b, water inlet pipe；33、
Flange；34th, sealing strip one；4th, shell side dividing plate；4a, refrigerating chamber；5th, sealing gasket；51st, body；52nd, projection is sealed；53rd, press
Piece；6th, bolt；61st, nut.
Embodiment
It is the specific embodiment of the present invention and with reference to accompanying drawing below, technical scheme is further described,
But the present invention is not limited to these embodiments.
Embodiment one
As shown in Figures 1 to 5, dry evaporator includes front header 1, rear header 2 and is arranged on front header 1 the present embodiment one
With the cylinder between rear header 2, front header 1 is provided with feed tube 11 and steam outlet pipe 12, is fixed with tube bank in cylinder, cylinder includes
Preceding fixed cylinder 3, middle cylinder body 31 and the rear fixed cylinder 32 set gradually, preceding fixed cylinder 3 are fixed with front header 1, rear fixed
Cylinder 32 and rear header 2 are fixed, and the both ends of tube bank are respectively by the front tube sheet 3a and rear fixed cylinder 32 on preceding fixed cylinder 3
Back tube sheet 32a fix, some through holes connected with front header 1 are provided with front tube sheet 3a, be provided with back tube sheet 32a it is some with after
The through hole that bobbin carriage 2 connects, the both ends of tube bank connect fixation with above-mentioned through hole respectively.
At least one shell side dividing plate 4, shape between shell side dividing plate 4 and middle cylinder body 31 are vertically arranged in middle cylinder body 31
It is close between shell side dividing plate 4 and preceding fixed cylinder 3, middle cylinder body 31 and rear fixed cylinder 32 at least two refrigerating chamber 4a
Envelope connection.Front header 1 is provided with 4 one-to-one pass partition of shell side dividing plate, feed tube 11 on front header 1 and is gone out
The quantity of steam pipe 12 is identical with refrigerating chamber 4a quantity, be provided with front header 1 diaphragm plate by feed tube 11 and steam outlet pipe 12 pair
The chamber answered separates, and preceding fixed cylinder 3 is provided with corresponds the outlet pipe 3b connected, rear fixed cylinder 32 with refrigerating chamber 4a
It is provided with and corresponds the water inlet pipe 32b connected with refrigerating chamber 4a.Shell side dividing plate 4 has one piece in the present embodiment one, shell
Two refrigerating chamber 4a are formed between journey dividing plate 4 and middle cylinder body 31.
Middle cylinder body 31 is made up of two sections in half cylinder 311 of circular arc, and specifically, two and half cylinders 311 are presented
Lower distribution, the equal semicircular in shape in section of two and half cylinders 311.The both ends and both sides edge of two and half cylinders 311 are respectively provided with bead
311a, two side flanges 311a of two and half cylinders 311 are located at the both sides of middle cylinder body 31 respectively, and two and half cylinders 311 pass through bolt 6
Bead 311a through both sides is fixedly connected, and two and half cylinder 311 is fixed with sealing strip 1 between both sides；Preceding fixed cylinder 3
End and the end of rear fixed cylinder 32 be respectively and fixedly provided with flange 33, the bead 311a at the both ends of two and half cylinder 311 passes through bolt 6
It is bonded fixation with the flange 33 on the flange 33 and the end of rear fixed cylinder 32 on the preceding end of fixed cylinder 3 respectively, two and half
The bead 311a at the both ends of cylinder 311 and the flange on the flange 33 and the end of rear fixed cylinder 32 on the preceding end of fixed cylinder 3
Sealing strip two is respectively and fixedly provided between 33.Sealing strip 1 and sealing strip two are integrally connected, improve the both sides of half cylinder 311 and both ends it
Between corner sealing property.
4 forward and backward two sections of shell side dividing plate is separately fixed in preceding fixed cylinder 3 and rear fixed cylinder 32, shell side layering
Welded respectively with the back tube sheet 32a on the front tube sheet 3a and rear fixed cylinder 32 on preceding fixed cylinder 3 front and rear end of dividing plate 4
It is fixed, it is welded and fixed positioned at the upper and lower end face of the leading portion of shell side dividing plate 4 and the inwall of preceding fixed cylinder 3, is layered positioned at shell side
The upper and lower end face of the back segment of dividing plate 4 and the inwall of rear fixed cylinder 32 are welded and fixed.The upper and lower end face in the stage casing of shell side dividing plate 4
On be respectively and fixedly provided with sealing gasket 5, the sealing gasket 5 on the upper and lower end face in the stage casing of shell side dividing plate 4 can respectively with two and half
Body 311 inwall fitting against.
Sealing gasket 5 includes body 51 and two pieces of sealing projections 52, and U-shaped groove, shell side layering are provided with one end of body 51
The upper and lower end face in the stage casing of dividing plate 4 can be respectively embedded into U-shaped groove, and body 51 is fixed on shell side by bolt 6 and nut 61 and is layered
On dividing plate 4, two pieces of sealing projections 52 are raised positioned at the other end of the both sides of body 51 and opposing body 51 respectively, and two pieces of sealings are convex
Angle between block 52 is obtuse angle.Sealing gasket 5 is sealed by being formed between U-shaped groove and shell side dividing plate 4, then passes through two pieces
Sealing projection 52 is bonded with the inwall of half cylinder 311 against the sealing realized between half cylinder 311.The both sides of body 51 are additionally provided with
Tabletting 53, bolt 6 and nut 61 are respectively with tabletting 53 against compression.
Seal and fix between preceding fixed cylinder 3 and rear fixed cylinder 32 when two and half cylinders 311 are installed together, can be real
The heat exchange of existing evaporator, after a long time use, can be by the way that two plate cylinders be disassembled, and the tube bank in cylinder is just exposed to
Outside, tube bank can be easily rinsed, and two and half cylinders 311 being reinstalled after the completion of flushing can reuse together, pole
The big maintaining for facilitating evaporator.
Embodiment two
The present embodiment is essentially identical with the structure and principle of embodiment one, and different place is：The present embodiment two is such as
Shown in Fig. 6, shell side dividing plate has two pieces, and three refrigerating chambers are formed between shell side dividing plate and middle cylinder body.
Specific embodiment described herein is only to spirit explanation for example of the invention.Technology belonging to the present invention is led
The technical staff in domain can be made various modifications or supplement to described specific embodiment or be replaced using similar mode
Generation, but without departing from the spiritual of the present invention or surmount scope defined in appended claims.
Claims (8)
1. a kind of dry evaporator, including front header (1), rear header (2) and it is arranged between front header (1) and rear header (2)
Cylinder, it is characterised in that the cylinder includes the preceding fixed cylinder (3), middle cylinder body (31) and the rear fixed cylinder that set gradually
(32), the preceding fixed cylinder (3) and front header (1) are fixed, and the rear fixed cylinder (32) and rear header (2) are fixed, described
Middle cylinder body (31) is made up of two sections in half cylinder (311) of circular arc, the both ends and both sides of two half cylinders (311)
Edge is respectively provided with bead (311a), and two half cylinders (311) connect by the way that bead (311a) of the bolt (6) through both sides is fixed
Connect, the end of the preceding fixed cylinder (3) and the end of rear fixed cylinder (32) are respectively and fixedly provided with flange (33), two described half
The bead (311a) at body (311) both ends respectively with the flange (33) on preceding fixed cylinder (3) end and rear fixed cylinder (32)
Flange (33) fitting on end is fixed, and two shell side dividing plates (4), the shell side layering are provided with the middle cylinder body (31)
Three refrigerating chambers (4a) of formation between dividing plate (4) and middle cylinder body (31), the shell side dividing plate (4) and preceding fixed cylinder (3),
It is tightly connected between middle cylinder body (31) and rear fixed cylinder (32), on the upper and lower end face in shell side dividing plate (4) stage casing
Sealing gasket (5) is respectively and fixedly provided with, the sealing gasket (5) includes body (51) and two pieces of sealing projections (52), the body (51)
U-shaped groove is provided with one end, the upper and lower end face in shell side dividing plate (4) stage casing can be respectively embedded into U-shaped groove, described
Body (51) is fixed in shell side dividing plate (4) by bolt (6) and nut (61), and two pieces of sealing projections (52) are respectively
Raised positioned at the other end of the both sides of body (51) and opposing body (51), the angle between two pieces of sealing projections (52) is
Obtuse angle, one of sealing projection (52) is obliquely installed and two sealing projections (52) form unsymmetric structure.
2. dry evaporator according to claim 1, it is characterised in that two half cylinders (311) are distributed in upper and lower,
The equal semicircular in shape in section of two half cylinders (311), two side flanges (311a) the difference position of two half cylinders (311)
In the both sides of middle cylinder body (31).
3. dry evaporator according to claim 1, it is characterised in that two corresponding on two half cylinders (311)
Sealing strip one (34) is fixed between side, the width of the sealing strip one (34) is less than the bead of half cylinder (311) both sides
The width of (311a), the sealing strip one (34) are located at the side of the madial wall close to half cylinder (311).
4. dry evaporator according to claim 3, it is characterised in that the bead at two half cylinder (311) both ends
Between flange (33) on (311a) and preceding fixed cylinder (3) end and the flange (33) on the end of rear fixed cylinder (32)
It is fixed with sealing strip two.
5. dry evaporator according to claim 1, it is characterised in that forward and backward two sections points of the shell side dividing plate (4)
Be not fixed in preceding fixed cylinder (3) and rear fixed cylinder (32), the front and rear end of the shell side dividing plate (4) respectively with
The back tube sheet (32a) on front tube sheet (3a) and rear fixed cylinder (32) on preceding fixed cylinder (3) is welded and fixed, positioned at the shell
The upper and lower end face of journey dividing plate (4) leading portion and the inwall of preceding fixed cylinder (3) are welded and fixed, positioned at the shell side layering every
The upper and lower end face of plate (4) back segment and the inwall of rear fixed cylinder (32) are welded and fixed.
6. dry evaporator according to claim 5, it is characterised in that positioned at shell side dividing plate (4) stage casing
Sealing gasket (5) on upper and lower end face can be bonded respectively with the inwall of two half cylinders (311) against.
7. dry evaporator according to claim 5, it is characterised in that body (51) both sides are additionally provided with tabletting
(53), the bolt (6) and nut (61) are respectively with tabletting (53) against compression.
8. dry evaporator according to claim 5, it is characterised in that the preceding fixed cylinder (3) is provided with and refrigeration
Chamber (4a) corresponds the outlet pipe (3b) of connection, and the rear fixed cylinder (32), which is provided with to correspond with refrigerating chamber (4a), to be connected
Logical water inlet pipe (32b).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510362734.9A CN104879959B (en) | 2015-06-24 | 2015-06-24 | A kind of dry evaporator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510362734.9A CN104879959B (en) | 2015-06-24 | 2015-06-24 | A kind of dry evaporator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104879959A CN104879959A (en) | 2015-09-02 |
| CN104879959B true CN104879959B (en) | 2018-01-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510362734.9A Active CN104879959B (en) | 2015-06-24 | 2015-06-24 | A kind of dry evaporator |
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| Country | Link |
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| CN (1) | CN104879959B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101749970A (en) * | 2008-12-19 | 2010-06-23 | 李迪文 | Refrigeration system residual heat recycling device |
| CN104154781A (en) * | 2013-12-05 | 2014-11-19 | 北京大学工学院包头研究院 | Shell and tube heat exchanger |
| CN204268951U (en) * | 2014-10-23 | 2015-04-15 | 山东凯斯达机械制造有限公司 | The sealing device of double-shell side shell-and-tube heat exchanger longitudinal baffle |
| CN204346222U (en) * | 2014-11-12 | 2015-05-20 | 茂名西南石化机械设备有限公司 | A kind of shell-and-tube heat exchanger of easy accessibility |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010249439A (en) * | 2009-04-17 | 2010-11-04 | Panasonic Corp | Liquid heat exchange device and heat exchange system |
-
2015
- 2015-06-24 CN CN201510362734.9A patent/CN104879959B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101749970A (en) * | 2008-12-19 | 2010-06-23 | 李迪文 | Refrigeration system residual heat recycling device |
| CN104154781A (en) * | 2013-12-05 | 2014-11-19 | 北京大学工学院包头研究院 | Shell and tube heat exchanger |
| CN204268951U (en) * | 2014-10-23 | 2015-04-15 | 山东凯斯达机械制造有限公司 | The sealing device of double-shell side shell-and-tube heat exchanger longitudinal baffle |
| CN204346222U (en) * | 2014-11-12 | 2015-05-20 | 茂名西南石化机械设备有限公司 | A kind of shell-and-tube heat exchanger of easy accessibility |
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| Publication number | Publication date |
|---|---|
| CN104879959A (en) | 2015-09-02 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A dry evaporator Effective date of registration: 20210830 Granted publication date: 20180130 Pledgee: Zhejiang Wenling Rural Commercial Bank Co.,Ltd. Pledgor: TAIZHOU LONGJIANG CHEMICAL MACHINERY TECHNOLOGY Co.,Ltd. Registration number: Y2021330001276 |
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