CN209295447U - A kind of environment-friendly type gas gathering mask and the gas heater using the gas gathering mask - Google Patents

Abstract

The utility model relates to the gas heater of a kind of environment-friendly type gas gathering mask and the application gas gathering mask, gas gathering mask includes the cover with smoke collecting chamber, and the catalytic module for carrying out catalytic shift to the CO in flue gas is equipped in the smoke collecting chamber；The catalytic module includes first matrix with several flue gas ducts and the catalyst coat for being attached to first matrix surface, and flue gas is discharged after flowing through the exhaust gases passes of the catalytic module from the smoke outlet of gas gathering mask.Catalytic module is equipped in the smoke collecting chamber of this environment-friendly type gas gathering mask; when flue gas flows through the catalytic module; catalytic module can carry out catalyzed conversion to CO in flue gas; the content of the CO in flue gas to reduce discharge; so that the flue gas of gas heater discharge is more environmentally-friendly, conducive to the health and environmental protection of surrounding population.This environment-friendly type gas gathering mask is applied in gas heater in which can be convenient, to reduce the discharge of pollutant.

Description

A kind of environment-friendly type gas gathering mask and the gas heater using the gas gathering mask

Technical field

The utility model relates to gas heater technical field more particularly to a kind of environment-friendly type gas gathering mask and apply the gas collection The gas heater of cover.

Background technique

Gas heater is high by the thermal efficiency, heating speed is fast, temperature adjust stablize, can more people continuous use the advantages of, It is at present still the first choice of numerous consumers.It is usually mounted with gas gathering mask on existing gas heater, will burn the cigarette generated Gas is discharged fast into outdoor, wherein gas heater inevitably generates carbon monoxide (CO), sulfide etc. when in use Pernicious gas, the flue gas of traditional gas heater are to be directly discharged to outside through gas gathering mask mostly, are caused to ambient enviroment Pollution.In recent years, country is increasingly stringenter pollutant emission control, and energy-saving and emission-reduction are also the development side that country advocates always To.Therefore, carrying out purified treatment to the flue gas that gas heater generates becomes a problem urgently to be resolved.

Utility model content

First technical problem to be solved in the utility model is the status for the prior art, and providing one kind can be right CO in flue gas carries out the environment-friendly type gas gathering mask of catalytic shift.

Second technical problem to be solved in the utility model is the status for the prior art, is provided a kind of using ring The gas heater of guarantor's type gas gathering mask, the gas heater can carry out catalytic shift to the CO in flue gas.

The utility model solves technical solution used by first technical problem are as follows: a kind of environment-friendly type gas gathering mask, including Cover with smoke collecting chamber, the interior catalytic module being equipped with for carrying out catalytic shift to the CO in flue gas of the smoke collecting chamber；It is described Catalytic module includes first matrix with several flue gas ducts and the catalyst coat for being attached to first matrix surface, flue gas It is discharged via after the exhaust gases passes of the catalytic module from the smoke outlet of gas gathering mask.

In order to avoid because in flue gas sour gas cause the catalyst poisoning in catalytic module, in the smoke collecting chamber of the cover also Equipped with the pre-processing module that can be purified to the sour gas in flue gas, the pre-processing module is located at the upper of the catalytic module Trip；The pre-processing module includes having second matrix in several flue gas ducts and being attached on the surface of second matrix to be used for Absorb sour gas coating, flue gas via after the exhaust gases passes of the pre-processing module enter the catalytic module.Place before described Reason module can purify the sour gas such as sulfide in flue gas, to effectively reduce the catalysis mould locateding downstream The poisoning probability of the catalyst of block, extends the service life of catalytic module.

In order to which easily pre-processing module and catalytic module are assembled in the smoke collecting chamber of cover, on the wall surface of the cover Equipped with the installing port for being packed into the pre-processing module and catalytic module, capping is removably connected on the installing port.Institute The setting of installing port is stated, so that pre-processing module and catalytic module are packed into or take out from the installing port in replacement, directly, Without gas gathering mask is disassembled.

As an improvement, first matrix and second matrix are panel-shaped base body, two panel-shaped base body interval settings On the inner wall of the smoke collecting chamber of the cover.This panel-shaped base body can be easily in the flue gas smoke collecting chamber of the cover.

In order to enable more uniformly to enter catalytic module, first matrix by pre-processing module treated flue gas And the spacing between second matrix is 4-6mm.Wherein, preferably 5mm.

In order to which pre-processing module and catalytic module to be stably placed in the smoke collecting chamber of cover, on the inner wall of the cover Equipped with the first placement seat for placing pre-processing module, and the second placement seat for placing catalytic module.

As an improvement, the flue gas duct of first matrix and/or second matrix includes multiple round ducts, it is adjacent Two round ducts between pass through a supporting walls connection；It is multiple circle ducts with connect circle duct multiple supporting walls it Between enclose set to be formed for flue gas circulation the second duct.

It is further improved, multiple round ducts are evenly arranged on first matrix and/or second matrix； The aperture in multiple round ducts is identical, and wall thickness is equal.

It is further improved, uniformly there are six supporting walls for connection on the outer wall in each round duct.

In order to reduce flue gas resistance in flow process, the second matrix described in the flue gas duct face of first matrix Flue gas duct.

It is assembled on gas heater or other devices in order to facilitate the gas gathering mask, the cover is equipped with for connecting it The mounting portion of his component.

The utility model solves technical solution used by second technical problem are as follows: a kind of using environment-friendly type gas gathering mask Gas heater, including shell and the heat exchanger being disposed in the housing, the cover of the gas gathering mask is located at the heat exchange The top of device, and connect the shell.

Compared with prior art, the advantages of the utility model: in the smoke collecting chamber of the environment-friendly type gas gathering mask in the utility model Equipped with catalytic module, when flue gas flows through the catalytic module, catalytic module can carry out catalyzed conversion to CO in flue gas, to subtract The content of the CO in flue gas discharged less, so that the flue gas of gas heater discharge is more environmentally-friendly, conducive to the health of surrounding population And environmental protection.

Detailed description of the invention

Fig. 1 is the schematic perspective view of environment-friendly type gas gathering mask in the utility model embodiment；

Fig. 2 is the part-structure exploded view of environment-friendly type gas gathering mask in the utility model embodiment；

Fig. 3 is the cross-sectional view of environment-friendly type gas gathering mask in the utility model embodiment；

Fig. 4 is the schematic diagram of internal structure of the cover of environment-friendly type gas gathering mask in the utility model embodiment；

Fig. 5 is the structural schematic diagram of the catalytic module of environment-friendly type gas gathering mask in the utility model embodiment, wherein pre-treatment The structure of module and the structure of catalytic module are identical；

Fig. 6 is the enlarged drawing in Fig. 5 at A；

Fig. 7 is the structural schematic diagram that the gas heater of environment-friendly type gas gathering mask is equipped in the utility model embodiment.

Specific embodiment

The utility model is described in further detail below in conjunction with figure embodiment.

Referring to Fig. 1-Fig. 6, a kind of environment-friendly type gas gathering mask includes the cover 10 with smoke collecting chamber 11 and smoke outlet 12, cover 10 Smoke collecting chamber 11 in pre-processing module 30 and catalytic module 20, i.e. pre-processing module 30 are successively arranged on the circulating direction of flue gas Set on the upstream of catalytic module 20, flue gas is discharged followed by after pre-processing module 30 and catalytic module 20 from smoke outlet 12, In, pre-processing module 30 can purify the sour gas in flue gas, enter in catalytic module 20 to avoid sour gas and cause to urge Change the catalyst poisoning in module 20, specifically, pre-processing module 30 includes having second matrix in several flue gas ducts and attached On the surface of second matrix for absorbing the coating of sour gas, wherein coating can for it is conventional in the market can be to two The basic matterial or other catalysis materials that the sour gas such as sulfur oxide are absorbed；Catalytic module 20 can urge the CO in flue gas Change transformation, specifically, catalytic module 20 includes having first matrix in several flue gas ducts and being attached to first matrix surface Catalyst coat, wherein contain noble metal catalyst in catalyst coat.In the present embodiment, the first matrix and the second base Body is ceramic matrix, can specifically use cordierite, catalyst coat includes carrier and noble metal active ingredient, noble metal Active constituent is supported on carrier, and specifically, noble metal can be platinum, palladium, osmium, iridium etc., wherein preferred platinum, noble metal partial size No more than 100nm, preferably 10nm, in addition, carrier components can choose the materials such as molecular sieve, hydroxyapatite, perovskite, In the present embodiment, preferably carrier of the hydroxyapatite as noble metal active ingredient.

In the present embodiment, the pre-processing module 30 in the smoke collecting chamber 11 of gas gathering mask can be to acid such as sulfide in flue gas Property gas is purified, to effectively reduce the poisoning probability of the catalyst for the catalytic module 20 locateding downstream, is extended The service life of catalytic module 20, on the other hand, the setting of pre-processing module 30 also correspondingly reduces the acidity on gas gathering mask The formation of condensate liquid avoids causing to corrode to the other component in catalytic module 20 or gas heater, extends catalysis mould The service life of block 20 and water heater.

Referring to Fig. 3 and Fig. 5, the first matrix and the second matrix are panel-shaped base body, and two panel-shaped base bodies are arranged at intervals on cover On the inner wall of the smoke collecting chamber 11 of body 10, specifically, the first matrix is located at the top of the second matrix, and this panel-shaped base body can facilitate Ground is set in the flue gas smoke collecting chamber of cover 10.In order to which pre-processing module 30 and catalytic module 20 are more easily assembled to cover 10 Smoke collecting chamber 11 in, the wall surface of cover 10 is equipped with the installing port 13 for being packed into pre-processing module 30 and catalytic module 20, peace The capping 14 for closing the installing port 13 is removably connected on dress mouth 13, specifically, capping 14 can be by being screw fastening to At 13 position of installing port of cover 10, wherein the size phase of the size of installing port 13 and pre-processing module 30 and catalytic module 20 Adaptation enables to state pre-processing module 30 and catalytic module 20 is smoothly put into cover 10, is detailed in Fig. 2.Installing port 13 Setting so that pre-processing module 30 and catalytic module 20 are packed into or take out from the installing port 13 in replacement, directly, and Gas gathering mask need not be disassembled, greatly improve the replacement efficiency of each module, also facilitate the service condition to each module It is checked.In addition, in order to which pre-processing module 30 and catalytic module 20 to be stably placed in the smoke collecting chamber 11 of cover 10, cover The inner wall of body 10 is equipped with the first placement seat 15 for placing pre-processing module 30, and second for placing catalytic module 20 Placement seat 16, wherein the first placement seat 15 and the second placement seat 16 can be that plate is shelved in the bar shaped being arranged on the inner wall of cover 10 Or rest block, in the present embodiment, the first placement seat 15 is that plate is shelved in the multiple bar shapeds being connected on 10 inner wall of cover, second Placement seat 16 is the multiple rest blocks being arranged on 10 peripheral wall of cover, is detailed in Fig. 4.

In order to enable more uniformly to enter catalytic module 20, the first matrix by treated the flue gas of pre-processing module 30 And the second spacing between matrix is 4-6mm, in the present embodiment, according to the spacing simulated effect simulated experiment between two modules Relevant experimental data show that can satisfy flue gas sufficiently catalytic even into carrying out in catalytic module 20 when spacing is 5mm It is required that, wherein the spacing between two modules specifically refers to the top of the second matrix of pre-processing module 30 to catalytic module 20 The distance alpha of the bottom of first matrix, is detailed in Fig. 3.In addition, in the present embodiment, flue gas duct the second base of face of the first matrix The flue gas duct of body reduces flue gas resistance in flow process,

Referring to Fig. 5 and Fig. 6, the flue gas duct of the first matrix and/or the second matrix includes multiple round ducts 40, adjacent Be connected with a supporting walls 41 between the outer wall in two round ducts 40, multiple circle ducts 40 with connect these circle ducts 40 Multiple supporting walls 41 between enclose the region set form one for flue gas circulation the second duct 42.In the present embodiment, One matrix is all made of round duct 40 with the second matrix and combines the structure arranged, specifically, first base with the second duct 42 Multiple round ducts 40 on body and second matrix are evenly arranged, and multiple round ducts on each matrix 40 aperture is identical, and wall thickness is equal, more specifically, along its circumferential uniformly connection, there are six branch on the outer wall in round duct 40 Support wall 41, in this way, the second duct 42 in the present embodiment forms one and half bent hexagon ducts, i.e., should half bent hexagon duct by Circle center line connecting is enclosed in three adjacent round ducts 40 of equilateral triangle with three supporting walls 41 for connecting three round ducts 40 If forming, and in the present embodiment, a round duct 40 and the six and half bent hexagons for being set to 40 periphery of circle duct Duct forms a repetitive unit；Wherein, half bent hexagon refers to that three be spaced apart from each other the side of regular hexagon is arc-shaped side, Excess-three is while for linear, and in the present embodiment, three arc-shaped sides of half bent hexagon are by three adjacent round ducts 40 One section of arc hole wall constitute, excess-three linear side is made of three supporting walls 41 for connecting these three round ducts 40. According to pre-processing module 30 and the flue gas duct of catalytic module 20 cross-sectional shape emulation statistics indicate that, the cigarette of circular cross-section The fluid resistance in gas channel is smaller, but many circular through holes are processed on ceramic matrix, not can guarantee the wall between through-hole It is thick equal, therefore, select the cross sectional shape in flue gas duct for the structure of half bent hexagon and circular combination in the present embodiment.This Kind structure setting on the basis of reducing fluid resistance of the flue gas in each flue gas duct, while meeting each flue gas of matrix Wall thickness identical requirement in duct facilitates the processing in each flue gas duct of each matrix.

In addition, cover 10, which is equipped with, to be used in order to which easily the gas gathering mask is assembled on gas heater or other devices In the mounting portion of connection other component, in the present embodiment, mounting portion includes the first mounting portion on the outer wall of cover 10 18 and the second mounting portion 17 at the smoke inlet of the smoke collecting chamber 11 of cover 10, wherein the first mounting portion 18 is two, respectively On the two sidewalls of cover 10, the first mounting portion 18 is equipped with screw hole, can be connected by screw to other component, the second mounting portion 17 is along the flange that turn down outward of edge of the smoke inlet of the smoke collecting chamber 11 of cover 10, the flange can be convenient and gas and hot water The shell 50 of device or the exhaust gases passes of other devices are attached, and are detailed in Fig. 2.

Environment-friendly type gas gathering mask in the present embodiment, is transferred on gas heater in which can be convenient, and Fig. 7 shows a kind of combustion The cover 10 of gas water heater, the heat exchanger 51 including shell 50 and in shell 50, gas gathering mask is located at heat exchanger 51 Top, and connect shell 50.

Environment-friendly type gas gathering mask has the advantages that multiple in the present embodiment, firstly, in the smoke collecting chamber 11 of the environment-friendly type gas gathering mask Equipped with catalytic module 20, when flue gas flows through the catalytic module 20, catalytic module 20 can carry out catalyzed conversion to CO in flue gas, The content of the CO in flue gas to reduce discharge is conducive to surrounding population so that the flue gas of gas heater discharge is more environmentally-friendly Health and environmental protection；Secondly, pre-processing module 30 in the cover 10 of gas gathering mask can be to acid such as sulfide in flue gas Property gas is purified, to effectively reduce the poisoning probability of the catalyst for the catalytic module 20 locateding downstream, is extended The service life of catalytic module 20, on the other hand, the setting of pre-processing module 30 also correspondingly reduces the acidity on gas gathering mask The formation of condensate liquid avoids causing to corrode to the other component in catalytic module 20 or gas heater, extends catalysis mould The service life of block 20 and water heater；In addition, on environment-friendly type gas gathering mask there is installing port 13 to work as hair in actual use It is replaced when now needing to clear up the carbon distribution on pre-processing module 30 or catalytic module 20 or to corresponding module When, directly pre-processing module 30 or catalytic module 20 can be taken out from the smoke collecting chamber 11 of gas gathering mask by installing port 13, ten Divide convenient and efficient；In addition, the flue gas duct of the first matrix and the second matrix is composed of round duct and the second duct, it is this The structure setting in flue gas duct on the basis of reducing fluid resistance of the flue gas in each flue gas duct, while meeting matrix The identical requirement of each flue gas duct wall thickness, facilitate the processing in each flue gas duct of each matrix.

Claims (12)

1. a kind of environment-friendly type gas gathering mask, it is characterised in that: including the cover (10) with smoke collecting chamber (11), the smoke collecting chamber (11) The interior catalytic module (20) being equipped with for carrying out catalytic shift to the CO in flue gas；

The catalytic module (20) includes having first matrix in several flue gas ducts and being attached to urging for first matrix surface Agent coating, flue gas are discharged via after the exhaust gases passes of the catalytic module (20) from the smoke outlet (12) of gas gathering mask.

2. environment-friendly type gas gathering mask according to claim 1, it is characterised in that: be additionally provided in the smoke collecting chamber (11) for going Except the pre-processing module (30) of the sour gas in flue gas, the pre-processing module (30) is located at the upper of the catalytic module (20) Trip；

The pre-processing module (30) includes second matrix with several flue gas ducts and the surface for being attached to second matrix On for absorbing the coating of sour gas, flue gas is via entering the catalytic module after the exhaust gases passes of the pre-processing module (30) (20)。

3. environment-friendly type gas gathering mask according to claim 2, it is characterised in that: the wall surface of the cover (10) is equipped with and is used for It is packed into the installing port (13) of the pre-processing module (30) and catalytic module (20), is removably connected on the installing port (13) It covers (14).

4. environment-friendly type gas gathering mask according to claim 2, it is characterised in that: first matrix and second matrix are equal For panel-shaped base body, two panel-shaped base bodies are arranged at intervals on the inner wall of smoke collecting chamber (11) of the cover (10).

5. environment-friendly type gas gathering mask according to claim 4, it is characterised in that: first matrix and second matrix it Between spacing be 4-6mm.

6. environment-friendly type gas gathering mask according to claim 5, it is characterised in that: the inner wall of the cover (10) is equipped with and is used for Place first placement seat (15) of pre-processing module (30), and the second placement seat (16) for placing catalytic module (20).

7. according to the described in any item environment-friendly type gas gathering masks of claim 2-6, it is characterised in that: first matrix and/or institute The flue gas duct for stating the second matrix includes multiple round ducts (40), passes through a branch between adjacent two round ducts (40) Support wall (41) connection；

It encloses to set between multiple circle ducts (40) and the multiple supporting walls (41) for connecting each round duct (40) to be formed for flue gas stream Logical the second duct (42).

8. environment-friendly type gas gathering mask according to claim 7, it is characterised in that: multiple round ducts (40) are described the It is evenly arranged on one matrix and/or second matrix；

The aperture of multiple round ducts (40) is identical, and wall thickness is equal.

9. environment-friendly type gas gathering mask according to claim 8, it is characterised in that: the outer wall of each round duct (40) There are six supporting walls (41) for upper uniformly connection.

10. according to the described in any item environment-friendly type gas gathering masks of claim 2-6, it is characterised in that: the flue gas of first matrix The flue gas duct of second matrix described in the face of duct.

11. according to the described in any item environment-friendly type gas gathering masks of claim 2-6, it is characterised in that: the cover (10) is equipped with For connecting the mounting portion (17,18) of other component.

12. the gas heater of the application such as described in any item environment-friendly type gas gathering masks of claim 1-11, it is characterised in that including Shell (50) and the heat exchanger (51) being set in the shell (50), the cover (10) of the gas gathering mask are located at the heat exchange The top of device (51), and connect the shell (50).