CN215063885U - A prevent blockking up heat transfer device for SCR denitration catalyst performance detects - Google Patents
A prevent blockking up heat transfer device for SCR denitration catalyst performance detects Download PDFInfo
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- CN215063885U CN215063885U CN202120748388.9U CN202120748388U CN215063885U CN 215063885 U CN215063885 U CN 215063885U CN 202120748388 U CN202120748388 U CN 202120748388U CN 215063885 U CN215063885 U CN 215063885U
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Abstract
The utility model discloses a prevent blockking up heat transfer device for SCR denitration catalyst performance detects comprises heat transfer subtotal spray set, and the heat transfer part includes the heat exchanger, and heat exchanger and the two-way intercommunication of SCR catalyst detection device, spray set include spray set, and spray set puts in the inboard top of heat exchanger, through spray set blowout shower water or built-in inner tube or the inner tube bundle of compressed air washing heat exchanger. The utility model provides a prevent blockking up heat transfer device for SCR denitration catalyst performance detects can realize the periodic washing of heat exchanger, effectively prevent that inner tube or inner tube bundle in the heat exchanger from being corroded by ammonium bisulfate and leading to the damaged gas leakage of pipe wall, also effectively prevented the heat exchanger that ammonium bisulfate deposit leads to simultaneously and blockked up, heat exchange efficiency descends etc. had both guaranteed the accuracy of experimental result, had also guaranteed SCR denitration catalyst detection device's steady operation, had better energy-concerving and environment-protective effect simultaneously.
Description
Technical Field
The utility model belongs to the technical field of SCR denitration catalyst performance detects, concretely relates to prevent blockking up heat transfer device for SCR denitration catalyst performance detects.
Background
As a key part of the SCR flue gas denitration device, the denitration catalyst directly determines that various performance indexes of a denitration system can not meet the design requirements, so that the denitration catalyst is particularly important for performance detection. At present, current denitration catalyst performance test bench does not do the processing to the high temperature flue gas after the experiment usually, directly discharges from abandonment treatment facility, and the experiment all can produce a large amount of heat energy losses at every turn, is unfavorable for energy-concerving and environment-protective, consequently need install energy-conserving heat transfer device additional, retrieves experiment tail gas waste heat, preheats incoming flow gas simultaneously.In the long-time running process, the experimental flue gas contains NH3And SO3And H2O, can form ammonium bisulfate in the heat transfer device pore, cause the heat exchanger inner tube pore to corrode, lead to the heat exchanger inner tube to leak, the flue gas side is crossed with air side gas each other, influences the experimental effect. Meanwhile, the inner pipe of the heat exchanger is blocked, so that the heat exchange efficiency is reduced, and even the pressure of the experiment system is suddenly increased, so that the experiment system is stopped.
SUMMERY OF THE UTILITY MODEL
For solving the problem among the prior art, the utility model aims to provide a prevent blockking up heat transfer device for SCR denitration catalyst performance detects.
In order to realize the above purpose, reach above-mentioned technological effect, the utility model discloses a technical scheme be:
the utility model provides a prevent blockking up heat transfer device for SCR denitration catalyst performance detects, comprises heat transfer part and shower part, heat transfer part includes the heat exchanger, heat exchanger and SCR catalyst detection device both way intercommunication, the shower part includes spray set, and spray set places in the inboard top of heat exchanger, through spray set blowout shower water or the built-in inner tube of compressed air washing heat exchanger.
Furthermore, the heat exchange part also comprises a heat exchanger smoke side inlet valve, a heat exchanger smoke side outlet valve, a heat exchanger air side inlet valve and a heat exchanger air side outlet valve which are respectively communicated with the inside of the heat exchanger, an outlet of the SCR catalyst detection device is communicated with the inside of the heat exchanger through the heat exchanger smoke side inlet valve, and an inlet of the SCR catalyst detection device is communicated with the inside of the heat exchanger through the heat exchanger air side outlet valve.
Further, the top and the bottom of the heat exchanger are respectively provided with a heat exchanger smoke side inlet valve and a heat exchanger smoke side outlet valve, and the left side and the right side of the heat exchanger are respectively provided with a heat exchanger air side outlet valve and a heat exchanger air side inlet valve.
Furthermore, the spraying part also comprises a spraying water tank, a spraying water pump, a spraying water inlet valve, a compressed air storage tank and a compressed air inlet valve, wherein the spraying water tank is communicated with the spraying device through the spraying water pump and the spraying water inlet valve in sequence, and the compressed air storage tank is communicated with the spraying device through the compressed air inlet valve.
Furthermore, the spraying device is positioned in the upper cover at the top of the heat exchanger and comprises a spraying main pipe and a plurality of spraying branch pipes communicated with the spraying main pipe, the spraying main pipe is communicated with the spraying water tank of the spraying part through a spraying water inlet valve of the spraying part and a spraying water pump in sequence, a plurality of spraying nozzles are respectively arranged on each spraying branch pipe, and the spraying branch pipes are matched with the inner pipe in the heat exchanger.
Furthermore, the spray branch pipes are provided with five spray branch pipes, and comprise a first spray branch pipe, two second spray branch pipes and two third spray branch pipes, wherein the two second spray branch pipes and the two third spray branch pipes are respectively arranged in a central symmetry mode by taking the first spray branch pipe as a center.
Furthermore, the first spray branch pipe, the second spray branch pipe and the third spray branch pipe are distributed on the inner side of the top of the heat exchanger in a circular cross section, the distance between the third spray branch pipe and the first spray branch pipe is larger than the distance between the first spray branch pipe and the second spray branch pipe, and the lengths of the first spray branch pipe, the second spray branch pipe and the third spray branch pipe are decreased progressively.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a prevent blockking up heat transfer device for SCR denitration catalyst performance detects comprises heat transfer subtotal spray set, and the heat transfer part includes the heat exchanger, heat exchanger and the two-way intercommunication of SCR catalyst detection device, and spray set includes spray set, and spray set places in the inboard top of heat exchanger, through spray set blowout shower water or built-in inner tube or the inner tube bundle of compressed air washing heat exchanger. The utility model provides a prevent blockking up heat transfer device for SCR denitration catalyst performance detects can realize the periodic washing of heat exchanger, effectively prevent that inner tube or inner tube bundle in the heat exchanger from being corroded by ammonium bisulfate and leading to the damaged gas leakage of pipe wall, also effectively prevented the heat exchanger that ammonium bisulfate deposit leads to simultaneously and blockked up, heat exchange efficiency descends etc. had both guaranteed the accuracy of experimental result, had also guaranteed SCR denitration catalyst detection device's steady operation, had better energy-concerving and environment-protective effect simultaneously.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a top view of the spraying device of the present invention;
wherein, 1-SCR catalyst detection device; 2-heat exchanger air side outlet valve; 3-heat exchanger flue gas side inlet valve; 4-; a heat exchanger; 5-a compressed air inlet valve; 6-a spraying device; 7-a spray water inlet valve; 8-a spray water pump; 9-heat exchanger air side inlet valve; 10-a spray water tank; 11-compressed air storage tank; 12-heat exchanger flue gas side outlet valve; 13-spraying a main pipe; 14-a third spray branch pipe; 15-a second spray branch pipe; 16-a first spray branch pipe; 17-spray nozzle.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making more clear and definite definitions of the protection scope of the present invention.
The following presents a simplified summary of one or more aspects in order to provide a basic understanding of such aspects. This summary is not an extensive overview of all contemplated aspects, and is intended to neither identify key or critical elements of all aspects nor delineate the scope of any or all aspects. Its sole purpose is to present some concepts of one or more aspects in a simplified form as a prelude to the more detailed description that is presented later.
In the description of the present invention, it should be noted that the terms "top", "bottom", "left", "right", "upper", "lower", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element to which the term refers must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
As shown in fig. 1-2, an anti-clogging heat exchange device for detecting the performance of an SCR denitration catalyst comprises a heat exchange part and a spray part; the heat exchange part comprises a heat exchanger 4, a heat exchanger smoke side inlet valve 3, a heat exchanger air side outlet valve 2, a heat exchanger air side inlet valve 9 and a heat exchanger smoke side outlet valve 12, wherein the heat exchanger air side inlet valve 9 and the heat exchanger air side outlet valve 12 are used for preheating flowing air after the flowing air enters and exits from the heat exchanger 4, and then the air enters the SCR catalyst detection device 1. Wherein, the air is the carrier gas required by the SCR catalyst detection device 1; the spray part comprises a spray device 6, a spray water tank 10, a spray water pump 8, a spray water inlet valve 7, a compressed air storage tank 11 and a compressed air inlet valve 5, wherein the spray device 6 is positioned in an upper cover at the top of the heat exchanger 4, spray water from the spray water tank 10 or compressed air from the compressed air storage tank 11 is sprayed out through the spray device 6 to wash an inner pipe or an inner pipe bundle arranged in the heat exchanger 4, the inner pipe or the inner pipe bundle of the heat exchanger 4 is washed through the spray water, residual water and inner pipe impurities in the heat exchanger 4 are discharged through the compressed air, and the heat exchange efficiency of the heat exchanger 4 can be recovered to more than 95% of the original efficiency after cleaning.
The outlet of the SCR catalyst detection device 1 is communicated with the inside of the heat exchanger 4 through a heat exchanger smoke side inlet valve 3, the inlet of the SCR catalyst detection device 1 is communicated with the inside of the heat exchanger 4 through a heat exchanger air side outlet valve 2, the top and the bottom of the heat exchanger 4 are respectively provided with the heat exchanger smoke side inlet valve 3 and the heat exchanger smoke side outlet valve 12, the heat exchanger air side outlet valve 2 and the heat exchanger air side inlet valve 9 are respectively arranged on the left side and the right side of the heat exchanger 4, a spray water tank 10 is communicated with a spray main pipe 13 of the spray device 6 through a spray water pump 8 and a spray water inlet valve 7 in sequence, and a compressed air storage tank 11 is communicated with the spray device 6 through a compressed air inlet valve 5.
The spraying device 6 comprises a spraying main pipe 13, a first spraying branch pipe 16, two second spraying branch pipes 15, two third spraying branch pipes 14 and spraying nozzles 17, the spraying main pipe 13 is communicated with the first spraying branch pipe 16, the second spraying branch pipes 15 and the third spraying branch pipes 14, the two second spraying branch pipes 15 and the two third spraying branch pipes 14 are symmetrically arranged by taking the first spraying branch pipe 16 as a center respectively, so that the first spraying branch pipes 16, the second spraying branch pipes 15 and the third spraying branch pipes 14 are distributed on the top of the heat exchanger 4 in a circular cross section manner, the distance between the third spraying branch pipes 14 and the first spraying branch pipes 16 is larger than the distance between the first spraying branch pipes 16 and the second spraying branch pipes 15, the lengths of the first spraying branch pipes 16, the second spraying branch pipes 15 and the third spraying branch pipes 14 are reduced gradually, the positions of the first spraying branch pipes 16, the second spraying branch pipes 15 and the third spraying branch pipes 14 are matched with the inner pipe bundles in the heat exchanger 4, thereby ensuring the cleaning effect of each inner pipe. The three spray branch pipes of the first spray branch pipe 16, the second spray branch pipe 15 and the third spray branch pipe 14 are respectively provided with a plurality of spray nozzles 17, so that the washing effect of the inner pipe bundle is further improved.
The utility model discloses a theory of operation does:
the flue gas generated in the SCR catalyst detection device 1 enters the inner pipe of a heat exchanger 4 through a flue gas side inlet valve 3 of the heat exchanger, and the flue gas contains NH3、SO3And H2O, and the like, ammonium bisulfate is extremely easily formed in the inner pipe, in order to remove the ammonium bisulfate, the spraying water inlet valve 7 and the spraying water pump 8 are opened, spraying water in the spraying water tank 10 flows into the first spraying branch pipe 16, the second spraying branch pipe 15 and the third spraying branch pipe 14 under the driving action of the spraying water pump 8, the spraying water is sprayed into the inner pipe or the inner pipe bundle in the heat exchanger 4 through the spraying nozzle 17, the ammonium bisulfate attached to the inner pipe in the heat exchanger 4 is washed, the waste water after washing flows out through the heat exchanger smoke side outlet valve 12, and after the spraying water is washed, the spraying water inlet valve 7 and the spraying water pump 8 are closed. And (3) opening a compressed air inlet valve 5, enabling compressed air in a compressed air storage tank 11 to flow into a first spray branch pipe 16, a second spray branch pipe 15 and a third spray branch pipe 14, spraying the compressed air into an inner pipe or an inner pipe bundle of the heat exchanger 4 through a spray nozzle 17, enabling the compressed air to flow out through a flue gas side outlet valve 12 of the heat exchanger, and discharging residual water and impurities in the inner pipe through the compressed air.
The utility model discloses the part of not specifically describing adopt prior art can, do not describe here any more.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all utilize the equivalent structure or equivalent flow transformation that the content of the specification does, or directly or indirectly use in other related technical fields, all including in the same way the patent protection scope of the present invention.
Claims (7)
1. The anti-blocking heat exchange device for detecting the performance of the SCR denitration catalyst is characterized by comprising a heat exchange part and a spraying part, wherein the heat exchange part comprises a heat exchanger, the heat exchanger is communicated with the SCR catalyst detection device in a two-way mode, the spraying part comprises a spraying device, the spraying device is placed at the top of the inner side of the heat exchanger, and spraying water or compressed air is sprayed out of an inner pipe arranged in the heat exchanger through the spraying device to wash the inner pipe.
2. The anti-clogging heat exchange device for detecting the performance of the SCR denitration catalyst as claimed in claim 1, wherein the heat exchange part further comprises a heat exchanger flue gas side inlet valve, a heat exchanger flue gas side outlet valve, a heat exchanger air side inlet valve and a heat exchanger air side outlet valve which are respectively communicated with the inside of the heat exchanger, the outlet of the SCR catalyst detection device is communicated with the inside of the heat exchanger through the heat exchanger flue gas side inlet valve, and the inlet of the SCR catalyst detection device is communicated with the inside of the heat exchanger through the heat exchanger air side outlet valve.
3. The anti-blocking heat exchange device for detecting the performance of the SCR denitration catalyst as claimed in claim 2, wherein a heat exchanger smoke side inlet valve and a heat exchanger smoke side outlet valve are respectively arranged at the top and the bottom of the heat exchanger, and a heat exchanger air side outlet valve and a heat exchanger air side inlet valve are respectively arranged at the left side and the right side of the heat exchanger.
4. The anti-blocking heat exchange device for detecting the performance of the SCR denitration catalyst according to claim 1, wherein the spraying part further comprises a spraying water tank, a spraying water pump, a spraying water inlet valve, a compressed air storage tank and a compressed air inlet valve, the spraying water tank is communicated with the spraying device through the spraying water pump and the spraying water inlet valve in sequence, and the compressed air storage tank is communicated with the spraying device through the compressed air inlet valve.
5. The anti-blocking heat exchange device for detecting the performance of the SCR denitration catalyst according to claim 1, wherein the spraying device is positioned in an upper cover at the top of the heat exchanger and comprises a main spraying pipe and a plurality of branch spraying pipes communicated with the main spraying pipe, the main spraying pipe is communicated with a spray water tank of the spraying part sequentially through a spray water inlet valve of the spraying part and a spray water pump, a plurality of spraying nozzles are respectively arranged on each branch spraying pipe, and the branch spraying pipes are matched with an inner pipe in the heat exchanger.
6. The anti-blocking heat exchange device for detecting the performance of the SCR denitration catalyst according to claim 5, wherein five spray branch pipes are provided, and the five spray branch pipes comprise a first spray branch pipe, two second spray branch pipes and two third spray branch pipes, and the two second spray branch pipes and the two third spray branch pipes are respectively arranged in a symmetrical manner by taking the first spray branch pipe as a center.
7. The anti-clogging heat exchange device for detecting the performance of the SCR denitration catalyst as recited in claim 6, wherein the first spray branch pipe, the second spray branch pipe and the third spray branch pipe are dispersedly arranged on the inner side of the top of the heat exchanger in a circular cross section, the distance between the third spray branch pipe and the first spray branch pipe is larger than the distance between the first spray branch pipe and the second spray branch pipe, and the lengths of the first spray branch pipe, the second spray branch pipe and the third spray branch pipe are decreased progressively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120748388.9U CN215063885U (en) | 2021-04-13 | 2021-04-13 | A prevent blockking up heat transfer device for SCR denitration catalyst performance detects |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120748388.9U CN215063885U (en) | 2021-04-13 | 2021-04-13 | A prevent blockking up heat transfer device for SCR denitration catalyst performance detects |
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| Publication Number | Publication Date |
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| CN215063885U true CN215063885U (en) | 2021-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120748388.9U Active CN215063885U (en) | 2021-04-13 | 2021-04-13 | A prevent blockking up heat transfer device for SCR denitration catalyst performance detects |
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| Country | Link |
|---|---|
| CN (1) | CN215063885U (en) |
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2021
- 2021-04-13 CN CN202120748388.9U patent/CN215063885U/en active Active
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