CN208432151U - It is a kind of efficiently to scrub horizontal condenser certainly applied to reaction kettle system - Google Patents
It is a kind of efficiently to scrub horizontal condenser certainly applied to reaction kettle system Download PDFInfo
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- CN208432151U CN208432151U CN201820369078.4U CN201820369078U CN208432151U CN 208432151 U CN208432151 U CN 208432151U CN 201820369078 U CN201820369078 U CN 201820369078U CN 208432151 U CN208432151 U CN 208432151U
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Abstract
The utility model provides a kind of applied to the efficient from scrub horizontal condenser of reaction kettle system, including condenser bodies, the condenser bodies include heat exchanger tube, end cap, cooling water intake and cooling water outlet, it is characterized in that, further include: two-position four way change valve, commutate valve drive, brushing device and controller etc., the utility model automatically cleaning process can synchronously complete when running with equipment, equipment is not stopped work, without manually cleaning, ensure that equipment is run for a long time, also exempt addition chemicals in cooling water and clean heat exchanger tube, the corrosion and environmental pollution for avoiding chemicals heat exchanging from changing；Controller control timing is cleaned, and is prevented heat transfer tube wall fouling, is improved the heat exchange efficiency of condenser, so that condenser or even reaction kettle system is worked more stable, more efficient, more energy efficient.
Description
Technical field
The utility model belongs to industrial chiller technical field, and in particular, to a kind of height applied to reaction kettle system
Effect scrubs horizontal condenser certainly.
Background technique
Condenser is essential cooling equipment in reaction kettle system, since the cooling water needs of water cooled condenser follow
Ring uses, it is difficult to the meeting contact avoided extraneous dust and organic matter, and in order to improve the heat exchange efficiency of condenser heat-exchange pipes, it changes
Heat changes inside and outside and is equipped with the structure that screw thread etc. increases heat exchange area, and in condenser heat transfer process, cooling water temperature is increased, cold
But the impurity in water will be adsorbed on inside heat exchanger tube, over time, just drastically reduce condenser heat exchange efficiency, while organic
Impurity can corrode heat exchanger tube, reduce condenser service life, for this purpose, user mostly use it is artificial periodically open condenser end cap into
Pedestrian's work cleans heat exchanger tube, or chemicals is added in cooling water, erodes the impurity in heat exchanger tube.
Artificial mechanism cleaning mode expends working hour, serious to rough surface degree caused by tube wall unexpected injury, past
It is past to be ignored by people.In addition, just taking out stains at regular intervals, in this this period, heat exchange efficiency is equally gradually decreased, and is changed
The reduction of the thermal efficiency is both waste of energy, while repeatedly opening condenser, on the one hand delays shop equipment running, on the other hand
It is also possible to influence the working effect of condenser；
Although chemicals goes deimpurity mode that can clean the dirt of tube wall surface, inevitably will cause
The corrosion of tube wall reduces service life of equipment, influences heat exchange efficiency, in addition, environment is got worse by the problem of chemical contamination,
Use chemicals non-optimal settling mode.
Therefore, the above problem is urgently to be resolved.
Utility model content
Purpose of utility model: for overcome the deficiencies in the prior art, the purpose of the utility model is to provide.
Technical solution: the utility model provides a kind of efficient scrub horizontal condenser certainly applied to reaction kettle system,
Including condenser bodies, the condenser bodies include heat exchanger tube, end cap, cooling water intake and cooling water outlet, spy
Sign is, further includes:
Two-position four way change valve, hair include valve body and spool, and the valve body is in cylindrical body, and inside has fluid layer partition, makes valve
Internal portion is divided into positive fluid layer and reversed fluid layer, is respectively arranged with that A crosses the mouth of a river, B crosses water on the valve body along clockwise direction
Mouth, C crosses the mouth of a river and D crosses the mouth of a river, and the A crosses the mouth of a river, B crosses the mouth of a river, C crosses the mouth of a river and D crosses the mouth of a river and is connected with positive fluid layer, wherein
B crosses the mouth of a river and is connected with the cooling water intake, and C crosses the mouth of a river and is connected with the cooling water outlet；During the spool is
Void column body is rotatably disposed in positive fluid layer, and both ends of the surface connect with valve interior wall, has positive position and the work of reversed position two
Position, the fluid layer partition offer the water hole matched with spool size；
When spool is located at positive position, spool just closes water hole, so that A is crossed the mouth of a river, B cross the mouth of a river be connected to be formed it is positive into
Water passage, C crosses the mouth of a river, D crosses the mouth of a river and is connected to form positive water passage out, and reversed fluid layer and valve core inside are closed；
When Spool rotating to reversed position, spool connection A crosses the mouth of a river and C crosses the mouth of a river, forms reversed water inlet access, reverse flow
Layer is connected with positive fluid layer via water hole, and so that B is crossed the mouth of a river, D crosses mouth of a river connection, form reversed water passage out；
Commutate valve drive, for driving spool in positive position and the rotation switching of reversed interdigit；
Brushing device, including brush basket and hairbrush, the brush basket have side wall and bottom surface equipped with cold for circulating at cylinder tubbiness
But the mesh of water, open end are connected to the both ends of the heat exchanger tube；It is any to be located at heat exchanger tube integral into cylindric for the hairbrush
In the brush basket of one end, diameter of section is less than heat exchange bore.
By commutation valve drive switching valve core to reversed position, the cooling water flow in condenser is made to commutate, is located at heat exchange
Hairbrush in the brush basket of pipe both ends follows the commutation of water flow to wash away heat transfer tube wall in heat exchanger tube, reaches the effect of cleaning heat exchanger tube
Fruit, commutation valve drive switching valve core are back to positive position, but it is achievable successively scrub, and hairbrush is made to determine to stay in brush column, no
Stop work, there are no need artificial or chemicals can rapid cleaning heat exchanger tube, heat transfer tube wall fouling is prevented, to improve condenser
Heat exchange efficiency, so that condenser or even reaction kettle system is worked more stable, it is more efficient, it is more energy efficient.
Further, above-mentioned a kind of efficient scrub horizontal condenser certainly applied to reaction kettle system, which is characterized in that
The hairbrush includes bristle and end, and the end is cone, is set to hairbrush both ends.Cone end helps to reduce water resistance,
Maximizing reduces cooling water flow velocity depletion
Further, above-mentioned a kind of efficient scrub horizontal condenser certainly applied to reaction kettle system, which is characterized in that
The bristle is the nylon brush hair or polyether-ether-ketone bristle of spiral setting.The nylon brush hair of spiral setting can be such that hairbrush is being moved through
Itself rotation is formed in journey, improves washing effect, and nylon or polyether-ether-ketone are anticorrosive anti-wear material, extend bristle and use
Service life.
Further, above-mentioned a kind of efficient scrub horizontal condenser certainly applied to reaction kettle system, which is characterized in that
The commutation valve drive is motor or cylinder.
Further, above-mentioned a kind of efficient scrub horizontal condenser certainly applied to reaction kettle system, which is characterized in that
Wherein B cross the mouth of a river and the cooling water intake, C cross the mouth of a river and the cooling water outlet type of attachment be flanged joint,
Quick coupling or welded connecting.Different connection types is suitable for different workplaces.
Further, above-mentioned a kind of efficient scrub horizontal condenser certainly applied to reaction kettle system, which is characterized in that
Further include can commutation valve drive work described in timing controlled controller.When controller control commutation valve drive work
Between and the period, can timing completion condenser heat-exchange pipes cleaning, reduce human input, be cleaning automation.
Further, above-mentioned a kind of efficient scrub horizontal condenser certainly applied to reaction kettle system, which is characterized in that
The brush basket is removably connected to the both ends of the heat exchanger tube.Convenient for replacing hairbrush.
Above-mentioned technical proposal can be seen that the utility model has the following beneficial effects: when cleaning process and running with equipment
And synchronously complete, equipment is not stopped work, and without artificial cleaning, ensures that equipment is run for a long time, also exempts addition chemistry system in cooling water
Heat exchanger tube, the corrosion and environmental pollution for avoiding chemicals heat exchanging from changing are cleaned in agent；Controller control timing is cleaned, and prevents from exchanging heat
Inside pipe wall fouling improves the heat exchange efficiency of condenser, so that condenser or even reaction kettle system is worked more stable, more efficient, more saves
Energy.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model embodiment；
Fig. 2 is the two-position four way change valve structural schematic diagram of the utility model embodiment；
Fig. 3 is the two-position four way change valve inside stream schematic diagram of a layer structure of the utility model embodiment；
Fig. 4 is the brushing device structural schematic diagram of the utility model embodiment；
Fig. 5 is cooling water forward flow status diagram in the condenser bodies of the utility model embodiment；
Fig. 6 is cooling water forward flow status diagram in the two-position four way change valve of the utility model embodiment；
Fig. 7 is cooling water reverse flow schematic diagram in the condenser bodies of the utility model embodiment；
Fig. 8 is cooling water reverse flow schematic diagram in the two-position four way change valve of the utility model embodiment；
In figure: 1 condenser bodies, 11 heat exchanger tubes, 12 end caps, 13 cooling water intakes, 14 cooling water outlets, 15 coolings
Water water-stop sheet, 2 two-position four way change valves, 21 valve bodies, 211 A cross the mouth of a river, 212 B cross the mouth of a river, 213 C cross the mouth of a river, 214 D cross water
Mouth, 215 fluid layer partitions, 216 water holes, 22 spools, 3 commutation valve drives, 4 brushing devices, 41 brush baskets, 42 hairbrush, 421 brushes
Hair, 422 ends.
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model
Limitation.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise " is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of
Describe the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.In the description of the present invention, unless otherwise indicated, the meaning of " multiple "
It is two or more, unless otherwise restricted clearly.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood as the case may be
Concrete meaning in the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature the "upper" of second feature or it
"lower" may include that the first and second features directly contact, and also may include that the first and second features are not direct contacts but lead to
Cross the other characterisation contact between them.Moreover, fisrt feature includes above the second feature " above ", " above " and " above "
One feature is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.First is special
Sign is directly below and diagonally below the second feature including fisrt feature under the second feature " below ", " below " and " below ", or only
Indicate that first feature horizontal height is less than second feature.
Embodiment
A kind of efficiently scrub horizontal condenser, including condenser master certainly applied to reaction kettle system as shown in figures 1-8
Body 1, the condenser bodies 1 include heat exchanger tube 11, end cap 12, cooling water intake 13 and cooling water outlet 14, due to this
Exist then in condenser bodies it is characterized in that cooling water intake 13 and cooling water outlet 14 are set to unified side in embodiment
The side end cap is internally provided with cooling water water-stop sheet 15, further includes cooling water water inlet and cooling water water outlet for separating；
In the present embodiment, further includes:
Two-position four way change valve 2, hair include valve body 21 and spool 22,
The valve body 21 is in cylindrical body, and inside has fluid layer partition 215, makes to be divided into positive fluid layer and anti-inside valve body 21
To fluid layer, it is respectively arranged with that A crosses the mouth of a river 211, B crosses the mouth of a river 212, C crosses the mouth of a river 213 and D on the valve body 21 along clockwise direction
The mouth of a river 214 is crossed, the A crosses the mouth of a river 211, B crosses the mouth of a river 212, C crosses the mouth of a river 213 and D crosses the mouth of a river 214 and is connected with positive fluid layer,
Middle B crosses the mouth of a river 212 and is connected with the cooling water intake 13, and C crosses 213 mouthfuls of the mouth of a river and is connected with the cooling water outlet 14
It connects；
The spool 22 is hollow cylinder, is rotatably disposed in positive fluid layer, and both ends of the surface connect with 21 inner wall of valve body,
With positive position and the station of reversed position two, the fluid layer partition 215 offers the water hole matched with 22 size of spool
216；
When spool 22 is located at positive position, spool 22 just closes water hole 216, so that A is crossed the mouth of a river 211, B crosses the mouth of a river 212
Connection forms forward direction water inlet access, and C crosses the mouth of a river 213, D crosses the connection of the mouth of a river 214 and forms positive water passage, reversed fluid layer and valve out
22 inside of core is closed；
When the rotation of spool 22 to reversed position, the connection of spool 22 A crosses the mouth of a river 211 and C crosses the mouth of a river 213, forms reversed water inlet
Access, reversed fluid layer are connected with positive fluid layer via water hole 216, and so that B is crossed the mouth of a river 212, D crosses the connection of the mouth of a river 214, formed
Reversely go out water passage；
It further include the valve drive 3 that commutates, for driving spool 22 in positive position and the rotation switching of reversed interdigit；
It further include brushing device 4, including brush basket 41 and hairbrush 42, the brush basket 41 has side wall and bottom surface at cylinder tubbiness
Equipped with the mesh for the cooling water that circulates, open end is connected to the both ends of the heat exchanger tube 11；The hairbrush 42 is integral into circle
Column, in the brush basket 41 of 11 any end of heat exchanger tube, diameter of section is less than 11 internal diameter of heat exchanger tube.The brush basket 41 is removable
Unload the both ends for being connected to the heat exchanger tube 11.
Wherein, the hairbrush 42 includes bristle 421 and end 422, and the end 422 is cone, is set to 42 liang of hairbrush
End.The bristle 421 is the nylon brush hair of spiral setting.
Wherein, the commutation valve drive 3 is motor.
Wherein, B crosses the mouth of a river 212 and the cooling water intake 13, C cross the mouth of a river 213 and the cooling water outlet 14
Type of attachment is to be welded to connect.
In addition, further include can commutation valve drive 3 works described in timing controlled controller.
When work, equipment is opened:
Such as Fig. 5-6, in positive cooling cycle process, cooling water flows into A by external cooling tower and pipeline and crosses the mouth of a river 211, B mistake
The mouth of a river 212, cooling water intake 13 flow into condenser bodies 1, and in condenser bodies 1, cooling water is first via end cap 12
(Fig. 5 view on the left of) internal upper part chamber enters heat exchanger tube 11(Fig. 5 view top) (omissive representation is only drawn inside condenser bodies 1
Each heat exchanger tube 11 in top and the bottom and corresponding hairbrush 42 and brush basket 41 out), then via end cap 12(Fig. 5 view right side) inner cavity
Room is diverted into heat exchanger tube 11(Fig. 5 view lower part), and via on the left of end cap 12(Fig. 5 view) interior lower chamber and cooling water be discharged
Mouth 14, C crosses the mouth of a river 213, D crosses the mouth of a river 214 and flows back to cooling tower；
In above-mentioned circulation, the hairbrush 42 in 1 top heat exchanger tube 11 of condenser bodies stops since the flow direction of cooling water acts on
It stays in right side brush basket 41；Meanwhile the hairbrush 42 in lower part heat exchanger tube 11, it rests in left side brush basket 41.
Such as Fig. 7-8, in reversed cooling cycle process, controller control commutation valve drive 3 works, and driving spool 22 revolves
Turn the reversed position of switching, at this point, cooling water crosses the mouth of a river 211 by external cooling tower and pipeline inflow A, flows to C mistake via valve core inside
The mouth of a river 213, then via cooling water outlet 14, flow into condenser bodies 1, in condenser bodies 1, cooling water is first via end
On the left of lid 12(Fig. 5 view) interior lower chamber enters heat exchanger tube 11(Fig. 5 view lower part), then it is right via end cap 12(Fig. 5 view
Side) inner cavity chamber is diverted into heat exchanger tube 11(Fig. 5 view top), and via end cap 12(Fig. 5 view on the left of) internal upper part chamber and cold
But water water outlet 14, B cross the mouth of a river 212, water hole 216 flows into reversed fluid layer in two-position four way change valve 2, then cross the mouth of a river from D
214 flow back to cooling tower；
In above-mentioned circulation, hairbrush 42 in 1 lower part heat exchanger tube 11 of condenser bodies, due to the drive of cooling water, from left side
Brush basket 41 moves to right side brush basket 41, completes the scrub to 1 lower part heat exchanger tube 11 of condenser bodies；Meanwhile in top heat exchanger tube 11
Hairbrush 42 be moved to left side brush basket 41 from right side brush basket 41, complete to 1 top of condenser bodies due to the drive of cooling water
The scrub of heat exchanger tube 11.
Fig. 5-6 is returned to, spool 22 is of short duration behind reversed position, and controller control commutation valve drive 3 works, and drives valve
The rotation of core 22 switches back into positive position, and flowing to the cooling water in equipment is positive cooling cycle process, at this point, condenser bodies 1
Hairbrush 42 in top heat exchanger tube 11 is moved to right side brush basket 41 from left side brush basket 41, is completed to cold due to the drive of cooling water
The scrub of 1 top heat exchanger tube 11 of condenser main body；Meanwhile the hairbrush 42 in lower part heat exchanger tube 11, due to the drive of cooling water, from the right side
Side brush basket 41 is moved to left side brush basket 41, completes the scrub to 1 top heat exchanger tube 11 of condenser bodies.
That is, controller control commutation valve drive 3 is reversed from forward direction position-per primary driving spool 22 is completely completed
The switching of position-positive position, hairbrush can be completed the process of 2 cleaning heat exchanger tubes back and forth, adjusted according to equipment service condition
Switching appropriate executes time and switching cycle, under the work of the smallest influence recirculated cooling water, ensures clear inside heat exchanger tube
It is clean.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without departing from the principle of this utility model, several improvement can also be made, these improvement also should be regarded as
The protection scope of the utility model.
Claims (7)
1. a kind of efficiently scrub horizontal condenser, including condenser bodies (1) certainly applied to reaction kettle system, the condenser
Main body (1) includes heat exchanger tube (11), end cap (12), cooling water intake (13) and cooling water outlet (14), which is characterized in that
Further include:
Two-position four way change valve (2), hair include valve body (21) and spool (22), and the valve body (21) is in cylindrical body, and inside has stream
Layer partition (215) makes to be divided into positive fluid layer and reversed fluid layer inside valve body (21), on the valve body (21) along clockwise direction
It is respectively arranged with that A crosses the mouth of a river (211), B crosses the mouth of a river (212), C crosses the mouth of a river (213) and D crosses the mouth of a river (214), the A crosses the mouth of a river
(211), B crosses the mouth of a river (212), C crosses the mouth of a river (213) and D crosses the mouth of a river (214) and is connected with positive fluid layer, and wherein B crosses the mouth of a river
(212) it is connected with the cooling water intake (13), C crosses the mouth of a river (213) and is connected with the cooling water outlet (14)；Institute
Stating spool (22) is hollow cylinder, is rotatably disposed in positive fluid layer, and both ends of the surface connect with valve body (21) inner wall, is had just
To position and the station of reversed position two, the fluid layer partition (215) offers the water hole matched with spool (22) size
(216)；When spool (22) are located at positive position, spool (22) just closes water hole (216), makes that A crosses the mouth of a river (211), B crosses water
Mouth (212), which is connected to, forms forward direction water inlet access, and C crosses the mouth of a river (213), D crosses the mouth of a river (214) and is connected to the positive water passage out of formation, instead
It is internal closed to fluid layer and spool (22)；When spool (22) rotation to reversed position, spool (22) connection A crosses the mouth of a river (211) and C
It crosses the mouth of a river (213), forms reversed water inlet access, reversed fluid layer is connected with positive fluid layer via water hole (216), and makes B mistake
The mouth of a river (214) connection is crossed at the mouth of a river (212), D, is formed and is reversely gone out water passage；
It commutates valve drive (3), for driving spool (22) in positive position and the rotation switching of reversed interdigit；
Brushing device (4), including brush basket (41) and hairbrush (42), the brush basket (41) have side wall and bottom surface are set at cylinder tubbiness
There is the mesh for the cooling water that circulates, open end is connected to the both ends of the heat exchanger tube (11)；The hairbrush (42) integral into
It is cylindric, it is located in the brush basket (41) of heat exchanger tube (11) any end, diameter of section is less than heat exchanger tube (11) internal diameter.
2. according to claim 1 a kind of applied to the efficient from scrub horizontal condenser of reaction kettle system, feature exists
In the hairbrush (42) includes bristle (421) and end (422), and the end (422) is cone, is set to hairbrush (42) two
End.
3. according to claim 2 a kind of applied to the efficient from scrub horizontal condenser of reaction kettle system, feature exists
In the bristle (421) is the nylon brush hair or polyether-ether-ketone bristle of spiral setting.
4. according to claim 1 a kind of applied to the efficient from scrub horizontal condenser of reaction kettle system, feature exists
In the commutation valve drive (3) is motor or cylinder.
5. according to claim 1 a kind of applied to the efficient from scrub horizontal condenser of reaction kettle system, feature exists
In wherein B crosses the mouth of a river (212) and the cooling water intake (13), C cross the mouth of a river (213) and the cooling water outlet (14)
Type of attachment be flanged joint, quick coupling or welded connecting.
6. according to claim 1 a kind of applied to the efficient from scrub horizontal condenser of reaction kettle system, feature exists
In, further include can commutation valve drive (3) work described in timing controlled controller.
7. according to claim 1 a kind of applied to the efficient from scrub horizontal condenser of reaction kettle system, feature exists
In the brush basket (41) is removably connected to the both ends of the heat exchanger tube (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820369078.4U CN208432151U (en) | 2018-03-19 | 2018-03-19 | It is a kind of efficiently to scrub horizontal condenser certainly applied to reaction kettle system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820369078.4U CN208432151U (en) | 2018-03-19 | 2018-03-19 | It is a kind of efficiently to scrub horizontal condenser certainly applied to reaction kettle system |
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| Publication Number | Publication Date |
|---|---|
| CN208432151U true CN208432151U (en) | 2019-01-25 |
Family
ID=65104888
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820369078.4U Expired - Fee Related CN208432151U (en) | 2018-03-19 | 2018-03-19 | It is a kind of efficiently to scrub horizontal condenser certainly applied to reaction kettle system |
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| CN (1) | CN208432151U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110657702A (en) * | 2019-10-10 | 2020-01-07 | 威斯安(深圳)科技有限公司 | Brush type online cleaning system device |
| CN114777514A (en) * | 2022-05-05 | 2022-07-22 | 浙江凯德化工有限公司 | Waste heat recovery condenser capable of automatically cleaning scales |
| CN115406266A (en) * | 2022-11-01 | 2022-11-29 | 无锡亚飞换热器制造有限公司 | Plate type radiator |
-
2018
- 2018-03-19 CN CN201820369078.4U patent/CN208432151U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110657702A (en) * | 2019-10-10 | 2020-01-07 | 威斯安(深圳)科技有限公司 | Brush type online cleaning system device |
| CN114777514A (en) * | 2022-05-05 | 2022-07-22 | 浙江凯德化工有限公司 | Waste heat recovery condenser capable of automatically cleaning scales |
| CN114777514B (en) * | 2022-05-05 | 2022-10-04 | 浙江凯德化工有限公司 | Waste heat recovery condenser capable of automatically cleaning scale |
| CN115406266A (en) * | 2022-11-01 | 2022-11-29 | 无锡亚飞换热器制造有限公司 | Plate type radiator |
| CN115406266B (en) * | 2022-11-01 | 2023-02-10 | 无锡亚飞换热器制造有限公司 | Plate type radiator |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190125 Termination date: 20210319 |
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| CF01 | Termination of patent right due to non-payment of annual fee |