CN204100859U - Graphite-made triple effect circular block pore type heat exchanger - Google Patents
Graphite-made triple effect circular block pore type heat exchanger Download PDFInfo
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- CN204100859U CN204100859U CN201420615903.6U CN201420615903U CN204100859U CN 204100859 U CN204100859 U CN 204100859U CN 201420615903 U CN201420615903 U CN 201420615903U CN 204100859 U CN204100859 U CN 204100859U
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Abstract
The utility model is a kind of graphite-made triple effect circular block pore type heat exchanger, is characterized in: it comprises housing, and described housing seal connects the first inlet tube and the first outlet, the second inlet tube and the second outlet, the 3rd inlet tube and the 3rd outlet, at least three pieces of heat transfer blocks to be placed in housing and the formation ring-shaped chamber that is connected, at heat transfer block and upper cover, on being tightly connected respectively between low head, lower flow distribution plate, at the cavity volume place of housing, alternately opposed sealing is connected deflection plate successively, the axial dividing plate that is connected is sealed between deflection plate opposed in inner walls, inner walls, heat transfer block cylinder, dividing plate, ring-shaped chamber is partitioned into two upper cavity volumes or two lower cavity volumes and several middle cavity volumes by deflection plate and upper flow distribution plate or lower flow distribution plate, the fluid of three kinds of different temperatures is respectively by the first inlet tube and the first outlet, second inlet tube and the second outlet, 3rd inlet tube and the 3rd outlet enter heat exchanger and carry out heat exchange, realize the heat exchange function of a machine three-use.
Description
Technical field
The utility model relates to the heat-exchange device of chemical industry equipment, is a kind of graphite-made triple effect circular block pore type heat exchanger of a tractor serves several purposes.
Background technology
In Chemical Manufacture, heat exchanger is absolutely necessary heat-exchange apparatus.In different technical process, heat exchanger is the equipment that the process fluid of two kinds of different temperatures carries out mutually thermal energy exchange, its heat transfer process is: a corrosive fluid being needs intensification to passage or lowering the temperature, another is that heating steam or cooling medium are (as recirculated water to passage, chilled brine, ethylene glycol), heat exchanger is flow through respectively by respective passage when needing the corrosive fluid of intensification or cooling and heating steam or cooling medium, exchange heat is carried out in heat exchanger, corrosive fluid and heating steam or cooling medium reach the temperature of needs separately, as carried out preheating with the concentrated hydrochloric acid that double-effect heat exchanger is 30 DEG C in resolving hydrochloric acid technical process, temperature reaches more than 75 DEG C and is sent to Analytic Tower and makes spray liquid, the condensation acid that one-level cooler gets off, the condensation acid that secondary coolers and demister get off also directly is sent to Analytic Tower and is made spray liquid, condensation acid temperature is 30 ~-5 DEG C, because this reducing the concentrated hydrochloric acid temperature that preheater is sent here, make concentrated hydrochloric acid temperature lower than 70 DEG C, at this moment resolving hydrochloric acid rate reduces 25%, namely have impact on analyzing efficiency, turn increase energy consumption, suddenly treat that exploitation further produces novel energy consumption low, the equipment of environmental protection again.
Utility model content
Technical problem to be solved in the utility model is: improve a kind of graphite-made triple effect circular block pore type heat exchanger, three fluid media (medium)s respectively to the different temperatures carrier of three direction flowings are provided with in an equipment, thermophore to three direction flowings reaches mutual heat exchange, be heater and cooler, its design principle is clear, novel structure, operation smoothness, resistance is little, and heat exchange efficiency is high.
The scheme of the utility model technical solution problem is: a kind of graphite-made triple effect circular block pore type heat exchanger, it is characterized in that: it comprises housing, heat transfer block, upper flow distribution plate, lower flow distribution plate and deflection plate, anticorrosive coat is established in described housing, the upper cover of housing arranges two the first flowing holes, low head arranges two the second flowing holes, the top of housing arranges two the 3rd flowing holes, below arranges two the 4th flowing holes, and be connected above be connected below the outside of housing, the 3rd flowing hole bearing, the 4th flowing hole hanger, described first inlet tube and the first outlet are sealedly connected on two the first flowing hole places that upper cover is arranged respectively, second inlet tube and the second outlet are sealedly connected on two the second flowing hole places that low head is arranged respectively, 3rd inlet tube is sealedly connected on the 4th flowing hole place arranged below housing, exhaust-valve door is sealedly connected on another the 4th flowing hole place arranged below housing by evacuated tube, 3rd outlet is placed in the top of evacuated tube, be sealedly connected on the 3rd flowing hole place arranged above housing, emptying valve is placed in the top of the 3rd inlet tube, be sealedly connected on another the 3rd flowing hole place arranged above housing, at least three pieces of heat transfer blocks to be placed in from the bottom to top in housing with odd number and to be connected, ring-shaped chamber is formed between heat transfer block and inner walls, flow distribution plate on being tightly connected between the top heat transfer block and upper cover, be tightly connected between bottom heat transfer block and low head lower flow distribution plate, above the 3rd inlet tube, the cavity volume place of the inner walls between bottom heat transfer block and adjacent heat exchange block seals the semi-circular shape deflection plate that is connected, the cavity volume place of the inner walls between the below and adjacent heat exchange block of the 3rd outlet seals the semi-circular shape deflection plate that is connected, between the top and bottom heat transfer block, cavity volume place in inner walls between adjacent heat transfer block successively alternately opposed sealing to be connected semi-circular shape deflection plate, cavity volume place in inner walls, the axial dividing plate that is connected is sealed between opposed semi-circular shape deflection plate, inner walls, heat transfer block cylinder, dividing plate, ring-shaped chamber in housing is partitioned into two upper cavity volumes or two lower cavity volumes by semi-circular shape deflection plate and upper flow distribution plate or lower flow distribution plate.
Described graphite-made triple effect circular block pore type heat exchanger has following performance:
Operating temperature-45 DEG C～≤ 300 DEG C;
The thermal conductivity of graphite material is for being greater than 116w/(m* DEG C);
Work allowable pressure is less than 1MPa;
Safe operation under the MPa condition of Fu Ya≤0.1;
Heat exchange area is 5 ㎡---600 ㎡.
The built-in heat transfer block quantity of described graphite-made triple effect circular block pore type heat exchanger is at least three pieces, and it is different according to heat exchange area, increase even numbered blocks heat transfer block, the quantity of heat transfer block is made to be odd number, now, ring-shaped chamber in housing is partitioned into two upper cavity volumes or two lower cavity volumes by inner walls, heat transfer block cylinder, dividing plate, semi-circular shape deflection plate and upper flow distribution plate or lower flow distribution plate, between inner walls, heat transfer block cylinder, dividing plate, adjacent semi-circular shape deflection plate, the ring-shaped chamber in housing is divided into several middle cavity volumes.
Described heat transfer block is as the impermeable graphite heat transfer block after impregnating agent dipping through a kind of or its combination of furans series plastics or tetrafluoro dispersion liquid or phenolic modified resin, the structure of heat transfer block is: heat transfer block replaces the uniform N-1 of setting group, often organizes several first holes and N group, often organizes several the second holes, at the cylinder of heat transfer block, arrange one group, often organize several the 3rd holes between each the first adjacent hole and second hole, N is even number.
Described upper flow distribution plate the first tap hole that alternately uniform the first hole number, the position arranging N group the first splitter box that Open Side Down and N-1 group, often group quantity and heat transfer block is identical, N is even number.
Described lower flow distribution plate the second tap hole that alternately the second hole number of uniform the second splitter box arranging N-1 group opening upwards and N group, often group quantity and heat transfer block, position are identical, N is even number.
The course of work of the utility model graphite-made triple effect circular block pore type heat exchanger is: the first fluid enters in heat exchanger by the first entrance be connected on upper cover, half side the first interior hole of heat transfer block is entered by the first tap hole that upper flow distribution plate is half side, turn back in the first splitter box flowing to lower flow distribution plate, enter in separately half side first hole of heat transfer block, first tap hole separately half side by upper flow distribution plate and the first outlet outflow heat exchanger, meanwhile, the second fluid enters in heat exchanger by the second entrance be connected on low head, half side the second interior hole of heat transfer block is entered by the second tap hole that lower flow distribution plate is half side, turn back in the second splitter box flowing to flow distribution plate, enter in separately half side second hole of heat transfer block, second tap hole separately half side by lower flow distribution plate and the second outlet outflow heat exchanger, while the first fluid and the second fluid enter heat exchanger respectively simultaneously, the third fluid enters in a lower cavity volume in heat exchanger by the 3rd entrance of lower housing portion, flow in another lower cavity volume by the 3rd hole of bottom heat transfer block cylinder, and cavity volume in the middle of flowing into by another lower cavity volume by the 3rd hole of the adjacent heat transfer block cylinder of bottom heat transfer block, flow through several heat transfer blocks in the same way successively and enter middle cavity volume, then the upper cavity volume with the 3rd entrance homonymy is entered, cavity volume on another is entered by the 3rd hole of the top heat transfer block cylinder, by the 3rd outlet outflow heat exchanger, three kinds of fluids enter simultaneously heat exchanger carry out heat exchange time, emptying valve is opened as required, discharges the gas in heat exchanger, closes emptying valve after getting rid of, and heat exchanger opens emptying valve after stopping, and closes emptying valve after discharging the liquid material in heat exchanger.
The beneficial effect of the utility model graphite-made triple effect circular block pore type heat exchanger is:
1 the utility model runs three directions at same heat exchanger, three kinds of identical or different liquid or gas, there is different temperatures, do not go here and there mutually the thermophore of phase each other, the shunting key component of three-dimensional medium is upper and lower flow distribution plate, the media implementation of two kinds of longitudinal flows is shunted, fully compact with the strong heat conductivility of graphite and utilize the energy, originally be the heat exchange adopting three heat exchanger preheatings or precooling respectively, complete in a three-effect heat exchanger, reduce the investment of equipment, save plant area; Design principle is clear, and novel structure runs smooth, and resistance is little, and heat exchange efficiency is high.
2 the utility model temperature ranges are wide reaches-45 DEG C ~ 300 DEG C, applied widely, can select different resins impregnating agent according to different medium, is the heat transmission equipment of the technical process middle ideal such as gas chemical industry, PVC chemical industry, resolving hydrochloric acid; And graphite piece because of corrosion prevention film come off after cause seepage time, can again flood; There is the advantages such as use safety, maintenance convenience, energy-conserving and environment-protective, equipment service life length.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is mouth of pipe schematic diagram of the present utility model;
Fig. 3 is heat transfer block schematic front view of the present utility model;
Fig. 4 is the schematic top plan view of Fig. 3;
Fig. 5 is the A-A cross-sectional schematic of Fig. 4;
Fig. 6 is upper flow distribution plate schematic front view of the present utility model;
Fig. 7 is the schematic top plan view of Fig. 6;
Fig. 8 is lower flow distribution plate schematic front view of the present utility model;
Fig. 9 is the schematic top plan view of Fig. 8;
Figure 10 is the first duct fluid flow schematic diagram of the present utility model;
Figure 11 is the second duct fluid flow schematic diagram of the present utility model;
Figure 12 is the 3rd duct fluid flow schematic diagram of the present utility model.
In figure: 1 second inlet tube, 2 low heads, 3 the 3rd inlet tubes, 4 times flow distribution plates, 5 heat transfer blocks, 6 times cavity volumes, 7 deflection plates, cavity volume on 8, flow distribution plate on 9, 10 emptying valves, 11 upper covers, 12 first inlet tubes, 13 first outlets, 14 first tap holes, 15 the 3rd outlets, 16 first splitter boxs, 17 second tap holes, 18 second splitter boxs, 19 housings, 20 evacuated tube, 21 cover plate flanges, 22 second outlets, 23 the 3rd holes, 24 first holes, 25 second holes, the concentrated hydrochloric acid that a is 30 DEG C, the concentrated hydrochloric acid that b is 75 DEG C ~ 81 DEG C, the condensation acid of c-5 DEG C ~ 30 DEG C, the condensation acid that d > is 75 DEG C, the watery hydrochloric acid that e is 125 DEG C ~ 143 DEG C, the watery hydrochloric acid of f≤60 DEG C, g gas, h liquid material.
Below in conjunction with drawings and Examples, the utility model is further illustrated.
With reference to Fig. 1 ~ Figure 12, the concentrated hydrochloric acid in resolving hydrochloric acid technical process is used for graphite-made triple effect circular block pore type heat exchanger, the heat exchange of condensation acid and watery hydrochloric acid is example, it comprises housing 19, heat transfer block 5, upper flow distribution plate 9, lower flow distribution plate 4 and deflection plate 7, anticorrosive coat is established in described housing 19, the upper cover 11 of housing 19 arranges two the first flowing holes, low head 2 arranges two the second flowing holes, the top of housing 19 arranges two the 3rd flowing holes, below arranges two the 4th flowing holes, the outside of housing 19, be connected below 3rd flowing hole bearing, be connected above 4th flowing hole hanger, described first inlet tube 12 and the first outlet 13 are sealedly connected on two the first flowing hole places that upper cover 11 is arranged respectively, second inlet tube 1 and the second outlet 21 are sealedly connected on two the second flowing hole places that low head 2 is arranged respectively, 3rd inlet tube 3 is sealedly connected on the 4th flowing hole place arranged below housing 19, exhaust-valve door is sealedly connected on another the 4th flowing hole place arranged below housing 19 by evacuated tube 20, 3rd outlet 15 is placed in the top of evacuated tube 20, be sealedly connected on the 3rd flowing hole place arranged above housing 19, emptying valve 10 is placed in the top of the 3rd inlet tube 3, be sealedly connected on another the 3rd flowing hole place arranged above housing 19, first outlet 13 and the second outlet 21 are all tightly connected by the spray equipment of pipeline and Analytic Tower, 3rd outlet 15 is tightly connected with hydrochloric acid cooler, seven pieces of heat transfer blocks 5 to be placed in from the bottom to top in housing 19 and to be connected, ring-shaped chamber is formed between heat transfer block 5 and housing 19 inwall, flow distribution plate 9 on being tightly connected between the top heat transfer block 5 and upper cover 11, be tightly connected between bottom heat transfer block 5 and low head 2 lower flow distribution plate 4, above the 3rd inlet tube 3, the cavity volume place of housing 19 inwall between bottom heat transfer block 5 and adjacent heat exchange block 5 seals the semi-circular shape deflection plate 7 that is connected, the cavity volume place of housing 19 inwall between the below and adjacent heat exchange block 5 of the 3rd outlet 15 seals the semi-circular shape deflection plate 7 that is connected, between the top and bottom heat transfer block 5, cavity volume place on housing 19 inwall between adjacent heat transfer block 5 successively alternately opposed sealing to be connected semi-circular shape deflection plate 7, cavity volume place on housing 19 inwall, the axial dividing plate that is connected is sealed between opposed semi-circular shape deflection plate 7, housing 19 inwall, heat transfer block 5 cylinder, dividing plate, ring-shaped chamber in housing 19 is partitioned into two upper cavity volumes 8 or two lower cavity volumes 6 by semi-circular shape deflection plate 7 and upper flow distribution plate 9 or lower flow distribution plate 4, housing 19 inwall, heat transfer block 5 cylinder, dividing plate, between adjacent semi-circular shape deflection plate 7, the ring-shaped chamber in housing 19 is divided into several middle cavity volumes.Described graphite-made triple effect circular block pore type heat exchanger operating temperature is-45 DEG C～≤ 300 DEG C; The thermal conductivity of graphite material is for being greater than 116w/(m* DEG C); Work allowable pressure is less than 1MPa.Described heat transfer block 5 is B level graphite material, granularmetric composition is≤-0.075 ~ 2mm, through furane resins as impregnating agent dipping after impermeable graphite heat transfer block 5, the structure of heat transfer block 5 is: heat transfer block 5 profile is φ 110 × 80, heat transfer block 5 alternately uniform arrange 5 groups, often organize several first holes 24 and 6 groups, often organize several the second holes 22, at the cylinder of heat transfer block 5, arrange one group between each the first adjacent hole 24 and second hole 22, often organize 18 the 3rd holes 23.Described upper flow distribution plate 9 profile is φ 110 × 80, upper flow distribution plate 9 alternately uniform arrange 6 groups of first splitter boxs 16 that Open Side Down with 5 groups, often organize the first identical tap hole 14 of the first hole 24 quantity of quantity and heat transfer block 5, position, described lower flow distribution plate 4 profile is φ 110 × 80, lower flow distribution plate 4 alternately uniform the second splitter box 18 that 5 groups of opening upwards are set with 6 groups, often organize the second identical tap hole 17 of the second hole 22 quantity of quantity and heat transfer block 5, position.The present embodiment adopts prior art manufacture, and emptying valve, emptying valve 10, B level graphite material and furane resins impregnating agent are the commercially available prod of prior art.
The course of work of the present embodiment is: temperature is that the concentrated hydrochloric acid a of 30 DEG C enters in heat exchanger by the first inlet tube 12 be connected on upper cover 11, half side the first interior hole 24 of heat transfer block 5 is entered by the first tap hole 14 that upper flow distribution plate 9 is half side, turn back in the second splitter box 18 flowing to lower flow distribution plate 4, enter in separately half side first hole 24 of heat transfer block 5, temperature raises becomes the first tap hole 14 and the first outlet 13 outflow heat exchanger separately half side by upper flow distribution plate 9 after the concentrated hydrochloric acid b of 75 DEG C ~ 81 DEG C, enters in the spray equipment of Analytic Tower by pipeline, meanwhile, temperature is that the condensation acid c of-5 DEG C ~ 30 DEG C enters in heat exchanger by the second inlet tube 1 be connected on low head 2, half side the second interior hole 22 of heat transfer block 5 is entered by the second tap hole 17 that lower flow distribution plate 4 is half side, turn back in the first splitter box 16 flowing to flow distribution plate 9, enter in separately half side second hole 22 of heat transfer block 5, temperature to raise after the condensation acid d becoming > 75 DEG C by separately half side the second tap hole 17 and the second outlet 21 outflow heat exchanger of lower flow distribution plate 4, enters in the spray equipment of Analytic Tower by pipeline, in temperature, to be the concentrated hydrochloric acid a of 30 DEG C and temperature be while the condensation acid c of-5 DEG C ~ 30 DEG C enters heat exchanger respectively simultaneously, the watery hydrochloric acid e that temperatures as high is 125 DEG C ~ 143 DEG C enters in a lower cavity volume 6 in heat exchanger by the 3rd inlet tube 3 of housing 19 bottom, flow in another lower cavity volume 6 by the 3rd hole 23 of bottom heat transfer block 5 cylinder, and cavity volume in the middle of flowing into by another lower cavity volume 6 by the 3rd hole 23 of adjacent heat transfer block 5 cylinder of bottom heat transfer block 5, flow through five heat transfer blocks 5 in the same way successively and enter middle cavity volume, then the upper cavity volume 8 with the 3rd inlet tube 3 homonymy is entered, cavity volume 8 on another is entered by the 3rd hole 23 of the top heat transfer block 5, cooling becomes≤the watery hydrochloric acid f of 60 DEG C after by the 3rd outlet 15 outflow heat exchanger, hydrochloric acid cooler is entered by pipeline, watery hydrochloric acid storage tank is sent to after continuing to be cooled to temperature≤30 DEG C, three kinds of different temperatures concentrated hydrochloric acid, condensation acid and watery hydrochloric acid enter simultaneously heat exchanger carry out heat exchange time, emptying valve 10 is opened as required, discharge the gas h in heat exchanger, emptying valve 10 is closed after getting rid of, after heat exchanger stops, open emptying valve, after discharging the liquid material g in heat exchanger, close emptying valve.
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Claims (5)
1. a graphite-made triple effect circular block pore type heat exchanger, it is characterized in that: it comprises housing, heat transfer block, upper flow distribution plate, lower flow distribution plate and deflection plate, anticorrosive coat is established in described housing, the upper cover of housing arranges two the first flowing holes, low head arranges two the second flowing holes, the top of housing arranges two the 3rd flowing holes, below arranges two the 4th flowing holes, and be connected above be connected below the outside of housing, the 3rd flowing hole bearing, the 4th flowing hole hanger, described first inlet tube and the first outlet are sealedly connected on two the first flowing hole places that upper cover is arranged respectively, second inlet tube and the second outlet are sealedly connected on two the second flowing hole places that low head is arranged respectively, 3rd inlet tube is sealedly connected on the 4th flowing hole place arranged below housing, exhaust-valve door is sealedly connected on another the 4th flowing hole place arranged below housing by evacuated tube, 3rd outlet is placed in the top of evacuated tube, be sealedly connected on the 3rd flowing hole place arranged above housing, emptying valve is placed in the top of the 3rd inlet tube, be sealedly connected on another the 3rd flowing hole place arranged above housing, at least three pieces of heat transfer blocks to be placed in from the bottom to top in housing with odd number and to be connected, ring-shaped chamber is formed between heat transfer block and inner walls, flow distribution plate on being tightly connected between the top heat transfer block and upper cover, be tightly connected between bottom heat transfer block and low head lower flow distribution plate, above the 3rd inlet tube, the cavity volume place of the inner walls between bottom heat transfer block and adjacent heat exchange block seals the semi-circular shape deflection plate that is connected, the cavity volume place of the inner walls between the below and adjacent heat exchange block of the 3rd outlet seals the semi-circular shape deflection plate that is connected, between the top and bottom heat transfer block, cavity volume place in inner walls between adjacent heat transfer block successively alternately opposed sealing to be connected semi-circular shape deflection plate, cavity volume place in inner walls, the axial dividing plate that is connected is sealed between opposed semi-circular shape deflection plate, inner walls, heat transfer block cylinder, dividing plate, ring-shaped chamber in housing is partitioned into two upper cavity volumes or two lower cavity volumes by semi-circular shape deflection plate and upper flow distribution plate or lower flow distribution plate.
2. graphite-made triple effect circular block pore type heat exchanger as claimed in claim 1, it is characterized in that: the built-in heat transfer block quantity of described graphite-made triple effect circular block pore type heat exchanger is at least three pieces, and it is different according to heat exchange area, increase even numbered blocks heat transfer block, the quantity of heat transfer block is made to be odd number, now, inner walls, heat transfer block cylinder, dividing plate, ring-shaped chamber in housing is partitioned into two upper cavity volumes or two lower cavity volumes by semi-circular shape deflection plate and upper flow distribution plate or lower flow distribution plate, inner walls, heat transfer block cylinder, dividing plate, between adjacent semi-circular shape deflection plate, the ring-shaped chamber in housing is divided into several middle cavity volumes.
3. graphite-made triple effect circular block pore type heat exchanger as claimed in claim 1 or 2, it is characterized in that: described heat transfer block is as the impermeable graphite heat transfer block after impregnating agent dipping through a kind of or its combination of furans series plastics or tetrafluoro dispersion liquid or phenolic modified resin, the structure of heat transfer block is: heat transfer block replaces the uniform N-1 of setting group, often organizes several first holes and N group, often organizes several the second holes, at the cylinder of heat transfer block, arrange one group, often organize several the 3rd holes between each the first adjacent hole and second hole, N is even number.
4. graphite-made triple effect circular block pore type heat exchanger as claimed in claim 1, it is characterized in that: described upper flow distribution plate the first tap hole that alternately uniform the first hole number, the position arranging N group the first splitter box that Open Side Down and N-1 group, often group quantity and heat transfer block is identical, N is even number.
5. graphite-made triple effect circular block pore type heat exchanger as claimed in claim 1, it is characterized in that: described lower flow distribution plate the second tap hole that alternately the second hole number of uniform the second splitter box arranging N-1 group opening upwards and N group, often group quantity and heat transfer block, position are identical, N is even number.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420615903.6U CN204100859U (en) | 2014-10-23 | 2014-10-23 | Graphite-made triple effect circular block pore type heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420615903.6U CN204100859U (en) | 2014-10-23 | 2014-10-23 | Graphite-made triple effect circular block pore type heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204100859U true CN204100859U (en) | 2015-01-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420615903.6U Withdrawn - After Issue CN204100859U (en) | 2014-10-23 | 2014-10-23 | Graphite-made triple effect circular block pore type heat exchanger |
Country Status (1)
| Country | Link |
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| CN (1) | CN204100859U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104315889A (en) * | 2014-10-23 | 2015-01-28 | 吉林市四通防腐设备有限责任公司 | Graphite triple-effect hole type heat exchanger with circular blocks |
-
2014
- 2014-10-23 CN CN201420615903.6U patent/CN204100859U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104315889A (en) * | 2014-10-23 | 2015-01-28 | 吉林市四通防腐设备有限责任公司 | Graphite triple-effect hole type heat exchanger with circular blocks |
| CN104315889B (en) * | 2014-10-23 | 2016-06-22 | 吉林市四通防腐设备有限责任公司 | Graphite triple effect circular block pore type heat exchanger |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150114 Effective date of abandoning: 20160622 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |