CN212467677U - Catalytic catalyst device of gas water heater and gas water heater - Google Patents
Catalytic catalyst device of gas water heater and gas water heater Download PDFInfo
- Publication number
- CN212467677U CN212467677U CN201922077301.5U CN201922077301U CN212467677U CN 212467677 U CN212467677 U CN 212467677U CN 201922077301 U CN201922077301 U CN 201922077301U CN 212467677 U CN212467677 U CN 212467677U
- Authority
- CN
- China
- Prior art keywords
- water heater
- catalytic
- smoke
- gas water
- catalyst
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Abstract
The utility model relates to a catalytic catalyst device of a gas water heater and the gas water heater, which comprises a smoke collecting hood arranged between a heat exchanger and a smoke exhaust pipe of the water heater; the smoke collecting cover comprises a smoke collecting cover body and a smoke collecting attached cover, the smoke collecting attached cover is a reducing body communicated with a smoke outlet of the smoke collecting cover body, an outlet of the reducing body is communicated with a smoke exhaust pipe, and a catalyst module is arranged at the end, close to the smoke outlet of the smoke collecting cover body, of the reducing body and used for smoke to pass through and be catalytically converted; the catalytic catalyst device of the gas water heater is beneficial to fully utilizing the waste heat of the flue gas to provide proper catalytic temperature for catalytic reaction, is beneficial to ensuring high catalytic efficiency and efficiently purifying carbon monoxide, and improves the safety use performance of the gas water heater; and the catalyst module has small volume, simple processing and manufacturing process and convenient installation.
Description
Technical Field
The utility model relates to an exhaust purification field, concretely relates to gas heater's catalytic agent device and gas heater.
Background
The gas water heater is a quick instant heating type water heater, and is more and more approved by users due to the characteristics of convenience and practicability. In the combustion process of the fuel gas, 120-300 ppm of carbon monoxide (CO) can be discharged due to incomplete combustion. If the smoke exhaust pipe leaks in the smoke exhaust process, CO in the smoke can pollute the indoor environment, so that the CO concentration is too high, and even the personal safety of a user can be endangered. Therefore, in order to ensure the use safety of users and improve the atmospheric environment, the emission of CO of the gas water heater is imperatively reduced greatly. Patent CN 203615596U's a gas heater who is equipped with catalyst apparatus has disclosed a strong formula gas heater of taking out that is equipped with catalyst apparatus between collection petticoat pipe and heat exchanger, and the flue gas directly gets into catalyst apparatus after the heat transfer, and although the flue gas temperature is fit for the conversion requirement of catalyst, the sectional area of heat exchanger top is great, leads to the quantity of catalyst to increase, has increased use cost, is unfavorable for popularizing and applying. Patent CN 209371495U's a take catalytic unit's gas heater has disclosed a take out formula gas heater by force that catalytic unit is equipped with at fan export exhaust pipe, because of catalytic unit is far away from the heat exchanger position, the flue gas temperature that reachs here is not high, influences the activity of catalyst for the efficiency of getting rid of carbon monoxide is difficult to reach ideal effect.
Based on above problem, the utility model provides a gas heater's catalytic agent device and gas heater. The catalytic catalyst device of the gas water heater is beneficial to fully utilizing the waste heat of the flue gas to provide proper catalytic temperature for catalytic reaction, is beneficial to ensuring high catalytic efficiency and efficiently purifying carbon monoxide, and improves the safety use performance of the gas water heater; and the catalyst module has small volume, simple processing and manufacturing process and convenient installation.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model overcomes the deficiencies of the prior art, and provides a catalytic catalyst device of a gas water heater and a gas water heater, which are beneficial to fully utilizing the flue gas waste heat to provide a proper catalytic temperature for catalytic reaction, are beneficial to ensuring high catalytic efficiency and efficiently purifying carbon monoxide, and improve the safety use performance of the gas water heater; and the catalyst module has small volume, simple processing and manufacturing process and convenient installation.
The catalytic catalyst device of the gas water heater comprises a smoke collecting hood arranged between a heat exchanger and a smoke exhaust pipe of the water heater; the smoke collecting cover comprises a smoke collecting cover body and a smoke collecting attached cover, the smoke collecting attached cover is a reducing body communicated with a smoke outlet of the smoke collecting cover body, an outlet of the reducing body is communicated with a smoke exhaust pipe, and a catalyst module is arranged at the end, close to the smoke outlet of the smoke collecting cover body, of the reducing body and used for smoke to pass through and be catalytically converted; the smoke collecting attached cover is structurally and structurally arranged so as to facilitate smoke in the smoke collecting attached cover to pass through a catalyst module arranged in the smoke collecting attached cover, and the smoke is smoothly discharged to a smoke exhaust pipe after being subjected to catalytic conversion by the catalyst module, and preferably has a reducing circular pipe structure; the waste gas containing carbon monoxide and discharged by the gas water heater is subjected to heat exchange through the heat exchanger, enters the fume collecting hood, is collected by the fume collecting hood body and passes through the catalyst module arranged in the fume collecting hood, carbon monoxide is converted into carbon dioxide under the high-efficiency catalysis action of the catalyst module, and the purified flue gas is discharged to the outside from the smoke exhaust pipe; the catalyst module is arranged in the smoke collection attached cover, so that the catalyst module is small in size and low in cost, is close to the heat exchanger, can fully utilize the waste heat of the flue gas to provide proper temperature for catalytic reaction, ensures better catalytic efficiency of the catalyst, and is beneficial to popularization; the arrangement of the smoke collecting hood body and the smoke collecting attached hood is beneficial to collecting waste gas after heat exchange of the heat exchanger and leading the waste gas to the smoke collecting attached hood in a centralized manner, and carbon monoxide is converted into carbon dioxide to be discharged through catalysis of a catalyst module in the smoke collecting attached hood, so that the safe atmospheric environment is ensured, and the safe use performance of the gas water heater is improved; the connection between heat exchanger and collection petticoat pipe is close to being connected if through flange connection between heat exchanger end and the heat exchanger of collection petticoat pipe body promptly, no longer gives details here.
Further, the reducing body is a reducing circular pipe and comprises a straight pipe section and a reducing pipe section communicated with the smoke exhaust pipe; the catalyst module is arranged at the smoke outlet end of the smoke collecting hood body in the straight pipe section; the flue gas is collected and discharged to a smoke exhaust pipe after being subjected to catalytic conversion by the catalyst module, so that the flue gas waste heat is fully utilized to provide proper temperature for catalytic reaction, and the high catalytic efficiency of the catalyst is ensured;
further, the catalyst module is cylindrical and sleeved with an annular lining for sealing between the catalyst module and the inner periphery of the straight pipe section; preferably, the catalyst module is cylindrical and is externally sleeved with an annular bushing, so that the sealing between the catalyst module and the inner wall of the straight pipe section is facilitated, and the heat preservation is facilitated; the material selection of the annular bushing belongs to the prior art, such as ceramic fiber material, and is not described herein again;
further, a support piece for supporting the catalyst module is arranged on the inner periphery of the straight pipe section close to the smoke exhaust end of the smoke collecting hood body; the catalyst module is convenient to mount and support, and the catalyst module is prevented from falling off;
furthermore, the supporting pieces are arranged along the circumferential direction and are supported at the exhaust port end of the catalyst module close to the exhaust fume collecting hood body; the number of the support pieces is at least two, preferably, the support pieces are a plurality of support pieces which are arranged on the inner periphery of the straight pipe section and are detachably arranged on the inner periphery of the straight pipe section, so that the catalyst modules can be conveniently arranged in the straight pipe section and then arranged to form support for the catalyst modules; certainly, through grooves for the support pieces to correspondingly penetrate along the length direction of the outlet pipe can be formed in the peripheries of the catalyst modules, the catalyst modules are rotated along the circumferential direction after penetrating, so that the non-through grooves of the catalyst modules are arranged and supported on the support pieces, and the support pieces are supported at the smoke exhaust port end, close to the smoke collecting hood body, of the catalyst modules, so that the catalyst modules are favorably mounted and supported;
further, the diameter of the variable diameter pipe section of the smoke collection attached cover is smaller than that of the straight pipe section; the corresponding connection between the smoke collecting hood and the smoke exhaust pipe is facilitated; the connection between the smoke collecting hood and the smoke exhaust pipe belongs to the prior art, for example, the smoke collecting hood and the smoke exhaust pipe are in sealing connection through a screw and a sealing ring, and are not described again;
further, the catalyst module has a porous structure; the porous structure is one of ceramic honeycomb, foamed ceramic, metal honeycomb, metal foam materials and the like, and preferably adopts a honeycomb ceramic porous structure; the selection of the porous structure belongs to the prior art, and the porous structure can be directly ordered in the market, and is not described again; the coating area of the catalyst is increased and the catalytic effect is improved on the basis of ensuring the circulation of waste gas;
further, a catalytic coating is coated on the pore walls of the porous structure; the contact area between the catalyst and the waste gas is increased, and the efficiency of the catalytic effect is improved;
further, the active component of the catalytic coating is at least one of noble metal and transition metal oxide; a noble metal catalytic coating is preferably adopted, so that the catalytic efficiency is improved; the selection of the catalytic coating belongs to the prior art, and for example, the selection can be performed by comprehensively considering the cost, the catalytic effect and the like, and details are not repeated herein.
The utility model also provides a gas water heater, gas water heater is provided with as above catalytic catalyst device.
The utility model has the advantages that: the catalytic catalyst device of the gas water heater and the gas water heater of the utility model are beneficial to fully utilizing the waste heat of the flue gas to provide proper catalytic temperature for catalytic reaction, are beneficial to ensuring high catalytic efficiency and efficiently purifying carbon monoxide, and improve the safety service performance of the gas water heater; and the catalyst module has small volume, simple processing and manufacturing process and convenient installation.
Drawings
The invention will be further described with reference to the following figures and examples:
fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
Fig. 1 is a schematic structural diagram of the present invention, as shown in the figure: the catalytic catalyst device of the gas water heater of the embodiment comprises a smoke collecting hood arranged between a heat exchanger 10 and a smoke exhaust pipe of the water heater; the fume collecting hood comprises a fume collecting hood body 20 and a fume collecting attached hood, the fume collecting attached hood is a reducer communicated with a fume outlet 201 of the fume collecting hood body 20, an outlet 231 of the reducer is communicated with a fume exhaust pipe, and a catalyst module 30 is arranged at the end, close to the fume outlet 201 of the fume collecting hood body 20, of the reducer and used for passing of fume and catalytic conversion; the smoke collecting attached cover is structurally shaped so as to facilitate smoke in the smoke collecting attached cover body 20 to pass through the catalyst module 30 arranged in the smoke collecting attached cover and be smoothly discharged to a smoke exhaust pipe after being subjected to catalytic conversion by the catalyst module 30, and the smoke collecting attached cover is preferably of a reducing circular pipe structure; after heat exchange is carried out on waste gas containing carbon monoxide and discharged by the gas water heater, the waste gas enters the fume collecting hood, is collected by the fume collecting hood body 20 and passes through the catalyst module 30 arranged in the fume collecting hood, carbon monoxide is converted into carbon dioxide under the high-efficiency catalysis action of the catalyst module 30, and the purified flue gas is discharged to the outside from the smoke exhaust pipe; the catalyst module 30 is arranged in the smoke collection attached cover, so that the catalyst module 30 is small in size and low in cost, is close to the heat exchanger 10, can fully utilize the waste heat of the smoke to provide proper temperature for catalytic reaction, ensures better catalytic efficiency of the catalyst, and is beneficial to popularization; the arrangement of the smoke collecting hood body 20 and the smoke collecting attached hood is beneficial to collecting the waste gas after heat exchange by the heat exchanger 10 and leading the waste gas to the smoke collecting attached hood in a centralized manner, and carbon monoxide is converted into carbon dioxide to be discharged through catalysis of the catalyst module 30 in the smoke collecting attached hood, so that the safe atmospheric environment is ensured, and the safe use performance of the gas water heater is improved; the smoke exhaust pipe is not drawn in the figure; the connection between the heat exchanger 10 and the smoke collecting hood, that is, the connection between the end of the smoke collecting hood body 20 close to the heat exchanger 10 and the heat exchanger 10, for example, through a connecting flange, is not described herein again.
In this embodiment, the reducing body is a reducing circular pipe and comprises a straight pipe section 22 and a reducing pipe section 23 communicated with the smoke exhaust pipe; the catalyst module 30 is arranged at the end, close to the smoke outlet 201 of the smoke collecting cover body 20, in the straight pipe section 22; do benefit to the flue gas and collect and discharge to the pipe of discharging fume after the catalytic conversion of catalyst module, do benefit to make full use of flue gas waste heat and provide suitable temperature for catalytic reaction, guarantee the high catalytic efficiency of catalyst.
In this embodiment, the catalyst module 30 is cylindrical-like and is externally sleeved with an annular bushing 31 for forming a seal between the catalyst module 30 and the inner periphery of the straight pipe section 22; preferably, the catalyst module 30 is cylindrical and is externally sleeved with an annular bushing 31, which is more beneficial to sealing between the catalyst module 30 and the inner wall of the straight pipe section 22 and is beneficial to heat preservation; the material of the annular liner 31 is selected according to the prior art, such as ceramic fiber material, and will not be described herein.
In the embodiment, the end of the straight pipe section 22 close to the exhaust port 201 of the exhaust fume collecting hood body 20 is provided with a support piece 221 for supporting the catalyst module 30 along the inner circumference; the catalyst module 30 is easy to install and support, and the catalyst module 30 is prevented from falling off;
in this embodiment, the supporting members 221 are circumferentially disposed and supported at the end of the catalyst module 30 close to the smoke exhaust port 201 of the smoke collecting hood body 20; at least two support pieces 221 are provided, preferably, the support pieces 221 are a plurality of support pieces arranged on the inner periphery of the straight pipe section 22 and detachably mounted on the inner periphery of the straight pipe section 22, so that the catalyst module 30 can be conveniently mounted after being placed in the straight pipe section 22 to form a support for the catalyst module 30; of course, a through groove for the support member 221 to correspondingly pass through along the length direction of the outlet pipe may be disposed on the periphery of the catalyst module 30, and after the catalyst module 30 passes through, the catalyst module 30 is rotated along the circumferential direction so that the non-through groove of the catalyst module 30 is disposed and supported on the support member 221, and the support member 221 is supported on the exhaust port end of the catalyst module 30 close to the exhaust fume collecting hood body 20, which is favorable for the installation and support of the catalyst module 30.
In this embodiment, the diameter of the variable diameter pipe section 23 of the fume collecting auxiliary cover is smaller than that of the straight pipe section 22; the corresponding connection between the smoke collecting hood and the smoke exhaust pipe is facilitated; the connection of collection petticoat pipe and discharge fume pipe belongs to prior art, if through screw and sealing washer sealing connection, no longer gives details here.
In this embodiment, the catalyst module 30 has a porous structure; the porous structure is one of ceramic honeycomb, foamed ceramic, metal honeycomb, metal foam materials and the like, and preferably adopts a honeycomb ceramic porous structure; the selection of the porous structure belongs to the prior art, and the porous structure can be directly ordered in the market, and is not described again; the method is favorable for increasing the coating area of the catalyst and improving the catalytic effect on the basis of ensuring the circulation of the waste gas.
In this embodiment, a catalytic coating is coated on the pore walls of the porous structure; the contact area of the catalyst and the waste gas is increased, and the efficiency of the catalytic effect is improved.
In the embodiment, the active component of the catalytic coating is at least one of noble metal and transition metal oxide; a noble metal catalytic coating is preferably adopted, so that the catalytic efficiency is improved; the selection of the catalytic coating belongs to the prior art, and for example, the selection can be performed by comprehensively considering the cost, the catalytic effect and the like, and details are not repeated herein.
The embodiment also provides a gas water heater, the gas water heater is provided with as above catalytic agent device.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (10)
1. The utility model provides a catalytic agent device of gas heater which characterized in that: comprises a smoke collecting hood arranged between a heat exchanger and a smoke exhaust pipe of the water heater; the collection petticoat pipe attaches the cover including collection petticoat pipe body and collection cigarette, the collection cigarette attaches the cover and communicates in the pipe of discharging fume for the export that communicates in the reducing body of collection petticoat pipe body exhaust port and the reducing body, the reducing body be close to collection petticoat pipe body exhaust port end and be provided with the catalyst module for passing and catalytic conversion of flue gas.
2. The catalytic catalyst device of a gas water heater according to claim 1, wherein: the reducing body is a reducing circular pipe and comprises a straight pipe section and a reducing pipe section connected to the smoke exhaust pipe; the catalyst module is arranged at the end, close to the smoke exhaust port of the smoke collecting hood body, of the straight pipe section.
3. The catalytic catalyst device of a gas water heater according to claim 2, wherein: the catalyst module is cylindrical and sleeved with an annular lining for sealing the catalyst module and the inner periphery of the straight pipe section.
4. The catalytic catalyst device of a gas water heater according to claim 2, wherein: and a support piece for supporting the catalyst module is arranged on the inner periphery of the straight pipe section close to the smoke exhaust end of the smoke collecting hood body.
5. The catalytic catalyst device of a gas water heater according to claim 4, wherein: the support piece is a plurality of and support in catalyst module's the exhaust fume end that is close to collection petticoat pipe body along circumference setting.
6. The catalytic catalyst device of a gas water heater according to claim 2, wherein: the diameter of the reducing pipe section of the smoke collection attached cover is smaller than that of the straight pipe section.
7. The catalytic catalyst device of a gas water heater according to claim 1, wherein: the catalyst module has a porous structure.
8. The catalytic catalyst device of a gas water heater according to claim 7, wherein: the pore walls of the porous structure are coated with a catalytic coating.
9. The catalytic catalyst device of a gas water heater of claim 8, wherein: the active component of the catalytic coating is at least one of noble metal and transition metal oxide.
10. A gas water heater, its characterized in that: the gas water heater is provided with a catalytic catalyst device as set forth in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922077301.5U CN212467677U (en) | 2019-11-27 | 2019-11-27 | Catalytic catalyst device of gas water heater and gas water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922077301.5U CN212467677U (en) | 2019-11-27 | 2019-11-27 | Catalytic catalyst device of gas water heater and gas water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212467677U true CN212467677U (en) | 2021-02-05 |
Family
ID=74414158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922077301.5U Active CN212467677U (en) | 2019-11-27 | 2019-11-27 | Catalytic catalyst device of gas water heater and gas water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212467677U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113899076A (en) * | 2021-10-14 | 2022-01-07 | 广东超人节能厨卫电器有限公司 | Smoke exhaust pipe and gas water heater |
-
2019
- 2019-11-27 CN CN201922077301.5U patent/CN212467677U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113899076A (en) * | 2021-10-14 | 2022-01-07 | 广东超人节能厨卫电器有限公司 | Smoke exhaust pipe and gas water heater |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210118186U (en) | Environment-friendly automobile exhaust treatment device | |
| CN211913351U (en) | Exhaust treatment device for normal-temperature catalytic degradation of formaldehyde | |
| CN212467677U (en) | Catalytic catalyst device of gas water heater and gas water heater | |
| CN110165263B (en) | Fuel cell automobile exhaust dehydrogenation device | |
| CN201776085U (en) | Heating type denitration device | |
| CN106345294A (en) | Catalytic oxidation device for organic waste gas | |
| CN213433700U (en) | Organic waste gas treatment equipment | |
| CN205805664U (en) | A kind of automobile ternary catalyzing unit | |
| CN209415476U (en) | Process gas analysis system waste gas purification apparatus | |
| CN211575151U (en) | Catalytic combustion device for waste gas treatment | |
| CN210373852U (en) | Clean air supply device for environmental chamber | |
| CN207196522U (en) | A kind of heat accumulating type organic waste gas catalytic combustion reaction bed | |
| CN203769896U (en) | Three-way catalytic converter | |
| CN208553758U (en) | A kind of device for eliminating CO in garbage disposal tail gas | |
| CN103691310B (en) | A kind of energy-conservation exhaust fume catalytic oxidation treatment device | |
| CN101520203B (en) | Oil smoke purifier using ceramic tubes as carriers | |
| CN209819561U (en) | Organic waste gas heat accumulation formula catalytic combustion equipment | |
| CN207302754U (en) | A kind of horizontal environmentally friendly enamelling machine | |
| CN208475349U (en) | A kind of integrated catalytic combustion device based on VOCs waste gas pollution control and treatment | |
| CN213019684U (en) | VOC catalysis incineration equipment | |
| CN212017286U (en) | Waste gas purification device | |
| CN209068527U (en) | Catalytic combustion device | |
| CN214223134U (en) | Catalytic combustion device for purifying flue gas | |
| CN216630336U (en) | Flue gas emission system for high flue gas emission efficiency | |
| CN220758678U (en) | Waste gas treatment device for recycling high-temperature waste gas |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |