CN219015001U - Atmosphere-controllable waste gas discharge device of heat treatment furnace - Google Patents
Atmosphere-controllable waste gas discharge device of heat treatment furnace Download PDFInfo
- Publication number
- CN219015001U CN219015001U CN202223265346.3U CN202223265346U CN219015001U CN 219015001 U CN219015001 U CN 219015001U CN 202223265346 U CN202223265346 U CN 202223265346U CN 219015001 U CN219015001 U CN 219015001U
- Authority
- CN
- China
- Prior art keywords
- exhaust
- heat treatment
- combustion
- hood
- pipe
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Landscapes
- Incineration Of Waste (AREA)
Abstract
The embodiment of the utility model provides a waste gas discharge device of a controllable atmosphere heat treatment furnace, and relates to the field of heat treatment furnaces. The exhaust gas emission device of the controllable atmosphere heat treatment furnace comprises a furnace body, an exhaust pipe, an exhaust hood and a first combustion part; one end of the exhaust pipe is communicated with the inner cavity of the furnace body, the other end of the exhaust pipe is positioned below the fume exhaust hood, and the exhaust pipe can transmit waste gas in the furnace body to the fume exhaust hood. The first combustion part is arranged at one end, close to the discharge pipe, in the exhaust hood, when the waste gas passes through the first combustion part, the mixed combustible gas in the waste gas can be directly combusted, so that secondary combustion at the outlet of the exhaust hood is avoided to form detonating, and potential safety hazards are prevented.
Description
Technical Field
The utility model relates to the field of heat treatment furnaces, in particular to a waste gas discharge device of a controllable atmosphere heat treatment furnace.
Background
The existing heat treatment furnace generally needs to discharge waste gas, and the waste gas is inevitably mixed with combustible gas which is not fully combusted, when the combustible gas enters the fume hood through the discharge pipe, the outlet size of the fume hood is smaller and the temperature is higher, and when the combustible gas passes through, secondary combustion is easy to occur and detonating is formed, so that certain potential safety hazard is generated.
Disclosure of Invention
The utility model provides a waste gas emission device of a controllable atmosphere heat treatment furnace, which can prevent secondary combustion of mixed combustible gas in waste gas to form detonating and prevent potential safety hazard.
Embodiments of the utility model may be implemented as follows:
the embodiment of the utility model provides a waste gas discharge device of a controllable atmosphere heat treatment furnace, which comprises the following components:
the device comprises a furnace body, a discharge pipe, a smoke exhaust hood and a first combustion part;
one end of the exhaust pipe is communicated with the inner cavity of the furnace body, the other end of the exhaust pipe is positioned below the fume exhaust hood, and the first combustion part is arranged at one end, close to the exhaust pipe, in the fume exhaust hood, so that gas in the inner cavity of the furnace body flows to the fume exhaust hood through the exhaust pipe and contacts with the first combustion part.
Optionally, the first combustion element is mesh-shaped, and the mesh-shaped edge of the first combustion element is connected to the side wall of the fume extraction hood.
Optionally, the fume extraction hood comprises a combustion section, an aggregation section and a discharge section which are sequentially communicated from bottom to top, the first combustion part is arranged on the combustion section, the discharge pipe is arranged below the combustion section, and the inner diameter size of the combustion section is larger than that of the discharge section.
Optionally, the inner diameter dimension of the aggregation segment gradually decreases from bottom to top.
Optionally, the exhaust gas discharge device of the controlled atmosphere heat treatment furnace further comprises a second combustion member mounted on the end of the discharge pipe near the fume exhaust hood.
Optionally, the exhaust emission device of the controllable atmosphere heat treatment furnace further comprises a pressure relief pipe and a pressure relief valve, wherein the pressure relief pipe is communicated with the furnace body, and the pressure relief valve is arranged on the pressure relief pipe.
Optionally, the exhaust emission device of the controllable atmosphere heat treatment furnace further comprises a gas collecting hood, wherein the gas collecting hood is provided with a gas collecting inlet and a gas collecting outlet, the gas collecting inlet is communicated with the pressure relief pipe, and the gas collecting outlet is positioned below the fume exhaust hood.
Optionally, the gas collecting hood is sleeved on the outer side of one end of the exhaust pipe close to the fume exhaust hood.
Optionally, the exhaust gas discharge device of the atmosphere-controllable heat treatment furnace further comprises a one-way valve, and the one-way valve is arranged on the discharge pipe.
Optionally, the furnace body comprises a front chamber, a heating chamber and a middle door, wherein the middle door is movably connected between the front chamber and the heating chamber, and the inner cavity of the front chamber is communicated with the discharge pipe.
The exhaust emission device of the atmosphere-controllable heat treatment furnace has the beneficial effects that:
the exhaust gas emission device of the controllable atmosphere heat treatment furnace comprises a furnace body, an exhaust pipe, an exhaust hood and a first combustion part; one end of the exhaust pipe is communicated with the inner cavity of the furnace body, the other end of the exhaust pipe is positioned below the fume exhaust hood, and the exhaust pipe can transmit waste gas in the furnace body to the fume exhaust hood. The first combustion part is arranged at one end, close to the discharge pipe, in the exhaust hood, when the waste gas passes through the first combustion part, the mixed combustible gas in the waste gas can be directly combusted, so that secondary combustion at the outlet of the exhaust hood is avoided to form detonating, and potential safety hazards are prevented.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a structure of an exhaust gas discharge device of a controlled atmosphere heat treatment furnace according to an embodiment of the present utility model;
FIG. 2 is a schematic illustration of the positions of a vent tube and a pressure relief tube provided in an embodiment of the utility model;
fig. 3 is a schematic structural diagram of a furnace body according to an embodiment of the present utility model.
Icon: 100-an exhaust emission device of a controllable atmosphere heat treatment furnace; 110-a furnace body; 112-a pre-chamber; 114-heating the chamber; 116-middle door; 120-discharge pipe; 130-a fume extraction hood; 132-a combustion section; 134-aggregation section; 136-a discharge section; 140-a first combustion element; 150-a second combustion element; 160-a pressure relief tube; 165-a pressure relief valve; 170-a gas-collecting hood; 172-gas collection inlet; 174-gas collection outlet; 180-one-way valve; 190-manual valve; 195-elastic tube.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present utility model, it should be noted that, if the terms "upper", "lower", "inner", "outer", and the like indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, or the azimuth or the positional relationship in which the inventive product is conventionally put in use, it is merely for convenience of describing the present utility model and simplifying the description, and it is not indicated or implied that the apparatus or element referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus it should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, if any, are used merely for distinguishing between descriptions and not for indicating or implying a relative importance.
The terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Unless specifically stated or limited otherwise, terms such as "disposed," "connected," and the like should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
The pressure release valve pipeline of the front chamber of the prior equipment is generally distributed to the vicinity of the fire ring directly, so that gas can be dispersed around the fire ring, but the dispersion area is uncontrollable, and the risk of insufficient combustion exists. The installation distance and angle between the pressure relief pipeline and the fire ring are not clearly defined, and sometimes, a large amount of gas is discharged and then ignited by open fire to form small detonating because the tail end of the pressure relief pipeline and the fire ring are too far away.
The exhaust gas burning pipeline is opened when the middle door is opened, and at the moment, the exhaust flow is very large, the risk of extinguishing the normally open flame and burning the combustible gas insufficiently exists, if the combustion is insufficient, the combustible gas disperses and enters the fume exhaust hood, and the fume exhaust hood and the combustible gas in the fume exhaust pipe can detonate when being burnt again (the severe combustion in the limited space can form detonating).
It should be noted that the features of the embodiments of the present utility model may be combined with each other without conflict.
Referring to fig. 1 to 3, the present embodiment provides a controlled atmosphere heat treatment furnace exhaust gas discharge apparatus 100, and the controlled atmosphere heat treatment furnace exhaust gas discharge apparatus 100 according to the embodiment of the present utility model can solve the above-mentioned problems, and will be described in detail.
Referring to fig. 1 and 2, the controlled atmosphere heat treatment furnace exhaust gas discharge apparatus 100 includes: a furnace body 110, a discharge pipe 120, a smoke exhaust hood 130, and a first combustion part 140; wherein, one end of the exhaust pipe 120 is communicated with the inner cavity of the furnace body 110, the other end of the exhaust pipe 120 is positioned below the fume exhaust hood 130, and the first combustion element 140 is arranged in the fume exhaust hood 130 near one end of the exhaust pipe 120, so that the gas in the inner cavity of the furnace body 110 flows to the fume exhaust hood 130 through the exhaust pipe 120 and contacts with the first combustion element 140.
In the above technical scheme, when the furnace body 110 discharges the waste gas, the waste gas can flow to the fume exhaust hood 130 under the conduction of the discharge pipe 120, and when the waste gas passes through the first combustion part 140, the mixed combustible gas in the waste gas can be directly combusted, so that the secondary combustion at the outlet of the fume exhaust hood 130 is avoided to form a detonating, and the potential safety hazard is prevented.
Notably, the first combustion element 140 is mesh-shaped, and the mesh-shaped edge of the first combustion element 140 is connected to the side wall of the extractor hood 130. By providing the first combustion member 140 in a net shape, the contact area of the combustible gas can be increased and the combustion time can be increased, ensuring that the combustible gas is fully combusted before completely entering the smoke exhaust hood 130.
In addition, a heating member (not shown) may be disposed below the first combustion member 140, and the heating member is used to generate an open flame to heat the first combustion member 140, so that the first combustion member 140 maintains a high temperature state for a long time.
Referring to fig. 2, the fume exhaust cover 130 includes a combustion section 132, a collecting section 134 and a discharge section 136 which are sequentially communicated from bottom to top, a first combustion member 140 is disposed at the combustion section 132, the discharge pipe 120 is positioned below the combustion section 132, and an inner diameter size of the combustion section 132 is larger than an inner diameter size of the discharge section 136. And the inner diameter dimension of the aggregation segment 134 gradually decreases from bottom to top.
In the above technical solution, the fume exhaust hood 130 has a structure with a small upper part and a large lower part, so that the waste gas can be conveniently gathered in the combustion section 132 and contacted with the first combustion member 140, and the appearance of the gathering section 134 has structural continuity, thereby being beneficial to improving the structural strength of the fume exhaust hood 130.
Referring to fig. 2, the exhaust gas discharge apparatus 100 of the controlled atmosphere heat treatment furnace further includes a second combustion member 150, and the second combustion member 150 is mounted on the end portion of the exhaust pipe 120 near the exhaust hood 130.
In the above technical solution, the second combustion element 150 may specifically be a fire collar structure, so that the mixed combustible gas in the exhaust gas discharged from the exhaust pipe 120 is first combusted at the inner side of the fire collar, thereby improving the combustion efficiency of the combustible gas in the exhaust gas.
Referring to fig. 2, the exhaust emission device 100 of the controlled atmosphere heat treatment furnace further includes a pressure release pipe 160 and a pressure release valve 165, the pressure release pipe 160 is communicated with the furnace body 110, and the pressure release valve 165 is disposed on the pressure release pipe 160.
In the above technical solution, when the air pressure in the furnace body 110 is sufficient, the pressure relief valve 165 is opened, and the air in the furnace body 110 enters the pressure relief pipe 160 to relieve the pressure, so as to avoid the excessive air pressure in the inner cavity of the furnace body 110.
It should be noted that the pressure relief pipe 160 is further provided with a manual valve 190, and the on-off of the pressure relief pipe 160 can be independently controlled by the manual valve 190. Of course, the manual valve 190 may be replaced with a solenoid valve. An elastic tube 195 is arranged between the manual valve 190 and the pressure release valve 165, the elastic tube 195 can be a corrugated hose, and the elastic tube 195 has good extensibility, and when the pressure release tube 160 is excessively filled with air, the elastic tube 195 can be stretched to buffer and reduce pressure.
Referring to fig. 2, the exhaust gas discharge device 100 of the controlled atmosphere heat treatment furnace further includes a gas collecting housing 170, the gas collecting housing 170 is provided with a gas collecting inlet 172 and a gas collecting outlet 174, the gas collecting inlet 172 communicates with the pressure release pipe 160, and the gas collecting outlet 174 is located below the fume exhaust hood 130.
In the above technical solution, by arranging the gas collecting cover 170, the gas decompressed by the decompression tube 160 is collected in the inner cavity of the gas collecting cover 170 by the gas collecting inlet 172 and flows to the fume exhaust hood 130 through the gas collecting outlet 174, so that the gas discharged by decompression can be fully combusted by contacting with the first combustion part 140.
Referring to fig. 2, the hood 170 is sleeved outside an end of the exhaust duct 120 near the hood 130.
In the above technical solution, the gas collecting cover 170 is sleeved on the outer side of the exhaust pipe 120, which is conducive to the collection of the exhaust gas in the gas collecting cover 170, and facilitates the gas in the gas collecting cover 170 and the gas exhausted from the exhaust pipe 120 to enter the exhaust hood 130 together.
It should be noted that when the end of the exhaust pipe 120 is provided with the second combustion element 150, the exhaust gas in the gas collecting hood 170 may contact the second combustion element 150 to achieve sufficient combustion, so as to avoid excessive fuel gas accumulated in the combustion section 132.
Referring to fig. 2, the exhaust gas discharge apparatus 100 of the controlled atmosphere heat treatment furnace further includes a check valve 180, and the check valve 180 is disposed at the discharge pipe 120.
In the above technical solution, by arranging the check valve 180, the gas in the exhaust pipe 120 flows unidirectionally, so that the exhaust gas in the exhaust pipe 120 is prevented from flowing back to the inner cavity of the furnace body 110.
Referring to fig. 3, the furnace body 110 includes a front chamber 112, a heating chamber 114, and a middle door 116, wherein the middle door 116 is movably connected between the front chamber 112 and the heating chamber 114, and an inner cavity of the front chamber 112 is communicated with a discharge pipe 120.
When the equipment is normally operated to perform heat treatment, as the middle door 116 cannot be completely sealed, part of gas overflows from the heating chamber 114, so that the pressure of the front chamber 112 is increased, and when the pressure exceeds the threshold value of the one-way valve 180, combustible gas is discharged from the discharge pipe 120 and is combusted through the second combustion element 150 before entering the smoke exhaust hood 130, and the insufficiently combusted gas is combusted again through the first combustion element 140 and enters a factory smoke exhaust channel (not shown) after being combusted; when the product to be treated is transferred from the front chamber 112 to the heating chamber 114, after the middle door 116 is opened, a large amount of gas is discharged to the front chamber 112, and when the pressure of the front chamber 112 is increased to the bearing pressure of the pressure relief valve 165, the pressure relief valve 165 is opened, the gas is transmitted to the gas collecting hood 170 through the pressure relief pipe 160, is combusted through the second combustion part 150, then enters the exhaust hood 130, and the insufficiently combusted gas is combusted again through the first combustion part 140, and enters the plant smoke exhaust channel after being combusted.
According to the exhaust gas emission device 100 for the controlled atmosphere heat treatment furnace provided in the present embodiment, the operating principle of the exhaust gas emission device 100 for the controlled atmosphere heat treatment furnace is as follows:
the exhaust gas discharge device 100 of the controlled atmosphere heat treatment furnace comprises a furnace body 110, a discharge pipe 120, an exhaust hood 130 and a first combustion part 140; wherein, one end of the discharge pipe 120 is communicated with the inner cavity of the furnace body 110, the other end of the discharge pipe 120 is positioned below the fume exhaust hood 130, and the discharge pipe 120 can transmit the waste gas in the furnace body 110 to the fume exhaust hood 130. The first combustion part 140 is disposed at one end of the exhaust hood 130 near the exhaust pipe 120, and when the exhaust gas passes through the first combustion part 140, the combustible gas mixed in the exhaust gas can be directly combusted, so as to avoid the secondary combustion at the outlet of the exhaust hood 130 to form a detonating, and prevent the potential safety hazard.
The exhaust gas emission device 100 of the atmosphere-controllable heat treatment furnace provided in this embodiment has at least the following advantages:
(1) The secondary combustion of the mixed combustible gas in the waste gas can be avoided to form detonating, and potential safety hazards are prevented;
(2) By arranging the second combustion element 150, the combustible gas can be contacted with the second combustion element 150 for combustion, so that leakage caused by excessive accumulation of the combustible gas when the combustible gas contacts with the first combustion element 140 is avoided;
(3) By providing the gas collecting hood 170, the exhaust gas discharged through the pressure relief pipe 160 is facilitated to be collected and sequentially contacted with the second combustion element 150 and the first combustion element 140 to achieve sufficient combustion.
The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the scope of the present utility model should be included in the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.
Claims (10)
1. An atmosphere-controllable exhaust gas discharge device for a heat treatment furnace, comprising:
a furnace body (110), a discharge pipe (120), a smoke exhaust hood (130) and a first combustion part (140);
wherein, one end of the discharge pipe (120) is communicated with the inner cavity of the furnace body (110), the other end of the discharge pipe (120) is positioned below the fume exhaust hood (130), and the first combustion part (140) is arranged at one end, close to the discharge pipe (120), in the fume exhaust hood (130), so that gas in the inner cavity of the furnace body (110) flows to the fume exhaust hood (130) through the discharge pipe (120) and contacts with the first combustion part (140).
2. The exhaust gas discharge device of a controlled atmosphere heat treatment furnace according to claim 1, wherein the first combustion member (140) is net-shaped, and a net-shaped edge of the first combustion member (140) is connected to a side wall of the exhaust hood (130).
3. The exhaust gas discharge device of a controlled atmosphere heat treatment furnace according to claim 1, wherein the fume exhaust hood (130) includes a combustion section (132), a collection section (134) and a discharge section (136) which are sequentially communicated from bottom to top, the first combustion member (140) is disposed in the combustion section (132), the discharge pipe (120) is located below the combustion section (132), and an inner diameter dimension of the combustion section (132) is larger than an inner diameter dimension of the discharge section (136).
4. A controlled atmosphere heat treatment furnace exhaust gas discharge apparatus according to claim 3, wherein the inner diameter dimension of the aggregation section (134) gradually decreases from bottom to top.
5. The exhaust gas discharge device of a controlled atmosphere heat treatment furnace according to claim 1, further comprising a second combustion member (150), the second combustion member (150) being mounted on the exhaust pipe (120) near an end of the fume extractor hood (130).
6. The exhaust gas discharge device of the controlled atmosphere heat treatment furnace according to claim 1, further comprising a pressure release pipe (160) and a pressure release valve (165), the pressure release pipe (160) being in communication with the furnace body (110), the pressure release valve (165) being provided in the pressure release pipe (160).
7. The exhaust gas discharge device of the controlled atmosphere heat treatment furnace according to claim 6, further comprising a gas collecting hood (170), wherein the gas collecting hood (170) is provided with a gas collecting inlet (172) and a gas collecting outlet (174), the gas collecting inlet (172) is communicated with the pressure release pipe (160), and the gas collecting outlet (174) is located below the fume exhaust hood (130).
8. The exhaust gas discharge device of the controlled atmosphere heat treatment furnace according to claim 7, wherein the gas collecting hood (170) is fitted over the outside of one end of the exhaust pipe (120) close to the exhaust hood (130).
9. The exhaust gas discharge device of a controlled atmosphere heat treatment furnace according to claim 6, further comprising a check valve (180), the check valve (180) being provided to the discharge pipe (120).
10. The exhaust gas discharge device of a controlled atmosphere heat treatment furnace according to any one of claims 1 to 9, wherein the furnace body (110) comprises a front chamber (112), a heating chamber (114) and a middle door (116), the middle door (116) is movably connected between the front chamber (112) and the heating chamber (114), and an inner cavity of the front chamber (112) is communicated with the discharge pipe (120).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223265346.3U CN219015001U (en) | 2022-12-06 | 2022-12-06 | Atmosphere-controllable waste gas discharge device of heat treatment furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223265346.3U CN219015001U (en) | 2022-12-06 | 2022-12-06 | Atmosphere-controllable waste gas discharge device of heat treatment furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219015001U true CN219015001U (en) | 2023-05-12 |
Family
ID=86234858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223265346.3U Active CN219015001U (en) | 2022-12-06 | 2022-12-06 | Atmosphere-controllable waste gas discharge device of heat treatment furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219015001U (en) |
-
2022
- 2022-12-06 CN CN202223265346.3U patent/CN219015001U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1927424B (en) | Fixed expanded graphite fire extinguishing device | |
| CN107314382B (en) | Flame-retardant formaldehyde tail gas treatment device | |
| CN219015001U (en) | Atmosphere-controllable waste gas discharge device of heat treatment furnace | |
| CN205655336U (en) | Dual -purpose energy -saving stove of oil gas | |
| CN104180375B (en) | Cracking process smokeless dedusting waste incinerator | |
| CN205979826U (en) | Energy -saving chimney | |
| CN214468777U (en) | Novel point carbon-growing furnace of integral type | |
| CN211694945U (en) | Landfill marsh gas torch | |
| CN209310052U (en) | Portable pneumatic atomizing furnace | |
| CN107314241A (en) | Shale gas gas gathering station drops a hint processing method | |
| CN215892388U (en) | Transfer equipment for inflammable and explosive gas | |
| CN203349275U (en) | Smokeless dust-removal garbage incinerator through dry distillation method | |
| CN207922227U (en) | A kind of burner that thermal chemical reaction rate and enthalpy can be improved | |
| CN105841200B (en) | Oil-gas two-way energy-saving stove | |
| CN211215119U (en) | Special automatic fire extinguishing device in little space | |
| CN207041432U (en) | A kind of fuel baking oven | |
| CN105805784B (en) | Automatic water-supply oil-gas two-way energy-saving stove | |
| CN204311092U (en) | A kind of quenching furnance oil smoke negative pressure emission device | |
| CN210768708U (en) | Forest oil field fire prevention auxiliary device | |
| CN211716556U (en) | Energy-saving fire gun of water jacket furnace for oil extraction | |
| CN219867990U (en) | Isolated combustion air supply furnace body of biomass fuel fireplace | |
| CN208513586U (en) | A kind of oxygen-enriched combusting forging equipment with fast fire-extinguishing apparatus | |
| CN219547000U (en) | Alloy baking furnace capable of preventing flameout by using converter gas | |
| CN217745434U (en) | Explosion-proof and flame-proof peanut cake meal dedusting air net system | |
| CN215259868U (en) | Connecting device for freon gas treatment and incineration treatment system using same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |