CN204786534U - Heating furnace is pressure regulating air feed metering device for system - Google Patents
Heating furnace is pressure regulating air feed metering device for system Download PDFInfo
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- CN204786534U CN204786534U CN201520374209.4U CN201520374209U CN204786534U CN 204786534 U CN204786534 U CN 204786534U CN 201520374209 U CN201520374209 U CN 201520374209U CN 204786534 U CN204786534 U CN 204786534U
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- carrier pipe
- metering device
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- feed metering
- air feed
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Abstract
The utility model relates to a heating furnace field discloses a heating furnace is pressure regulating air feed metering device for system, and this pressure regulating air feed metering device includes body (10) and install fuel gas feeding mechanism (20) and air supply device (30) on this body, the flow and the pressure of fuel gas in this fuel gas feeding mechanism can be adjusted to the fuel gas feeding mechanism, air supply device can adjust the flow and the pressure of air among this air supply device. The utility model discloses lieutenant general pressure regulating air feed metering device divide into fuel gas feeding mechanism and air supply device two parts to with these two parts integrated on the body respectively, thereby make pressure regulating air feed metering device's compact structure, area is less, simultaneously, because above -mentioned pressure regulating air feed metering device's production all accomplishes at the interplant with the equipment, thereby can greatly reduce on -the -spot installation work volume, improves on -the -spot installation effectiveness, practices thrift the time limit for a project, reduces the construction investment, the transportation of being convenient for simultaneously.
Description
Technical field
The utility model relates to reheat furnace system, particularly, relates to a kind of reheat furnace system pressure regulation air feed metering device.
Background technology
In reheat furnace system, fuel gas is mixed rear with air at burner and burns in burner hearth, the steam produced in combustion process is usually as the heat-exchange system of thermal medium for other equipment, and in the combustion process of fuel gas, need the pressure of fuel gas, flow maintains in normal range of operation, to need wind supply quantity to control in suitable scope (this is because simultaneously, if the air capacity passed into is excessive, then furnace temperature can be reduced, if instead the air capacity passed into is not enough, then incomplete combustion can be caused, reduce the thermal efficiency and furnace temperature etc.), thus ensure the normal operation of boiler.
Traditional, generally ensure that the pressure of fuel gas, flow and wind supply quantity are in normal range of operation by pressure regulation air feed metering device, pressure regulation air feed metering device of the prior art is all generally assemble at the construction field (site) temporarily, but, this pressure regulation air feed metering device floor space is larger, arrange not compact, nor be beneficial to transport.
In view of this, the utility model is needed to provide a kind of reheat furnace system pressure regulation air feed metering device that can overcome above-mentioned defect.
Utility model content
The purpose of this utility model is to provide a kind of reheat furnace system pressure regulation air feed metering device, comparatively large to overcome pressure regulation air feed metering device floor space of the prior art, arranges not compact and is unfavorable for the problem of transport.
To achieve these goals, the utility model provides a kind of reheat furnace system pressure regulation air feed metering device, this pressure regulation air feed metering device comprises body and the fuel gas feeding mechanism that is arranged on this body and air supply device, described fuel gas feeding mechanism can regulate flow and the pressure of fuel gas in this fuel gas feeding mechanism, and described air supply device can regulate flow and the pressure of air in this air supply device.
Preferably, described fuel gas feeding mechanism comprises installation fuel gas carrier pipe on the body and first flow measuring unit, the first pressure measurement cell and the first pressure control unit be arranged on this fuel gas carrier pipe.
Preferably, described air supply device comprises installation air delivery pipe on the body and second phasor measurement unit, the second flow controlling unit and the second pressure measurement cell be arranged on this air delivery pipe.
Preferably, described air delivery pipe comprises U type transfer line and L-type carrier pipe, this U type transfer line comprises the first carrier pipe parallel to each other with the second carrier pipe and be connected to form the 3rd U-shaped carrier pipe with the first end of described first carrier pipe and the second carrier pipe respectively, the first end of described L-type carrier pipe is communicated with described 3rd carrier pipe, and the second end of described L-type carrier pipe is used for being communicated with the burner of reheat furnace system.
Preferably, described air delivery pipe comprises the first air inlet and the second air inlet, forms described first air inlet and the second air inlet respectively at the second end place of described first carrier pipe and the second carrier pipe.
Preferably, described 3rd carrier pipe be provided with switch valve with the both sides of the connectivity part of described L-type carrier pipe.
Preferably, the first end of described L-type carrier pipe and the connectivity part of described 3rd carrier pipe are the non-central place of the length direction of described 3rd carrier pipe.
Preferably, the opening direction of described U type transfer line is towards the side away from described L-type carrier pipe.
Preferably, described pressure regulation air feed metering device also comprises silencer, and this silencer is arranged in the U-shaped space of described U type transfer line.
Preferably, described silencer is two, and two described silencers are connected with described first carrier pipe and the second carrier pipe respectively.
In the utility model, described pressure regulation air feed metering device is divided into fuel gas feeding mechanism and air supply device two large divisions, and these two parts are all integrated on body, thus making the compact conformation of pressure regulation air feed metering device, floor space is less, simultaneously, due to above-mentioned pressure regulation air feed metering device production and assembling all complete in factory, thus can greatly reduce on-site installation work amount, improve in-site installation efficiency, save the duration, reduce construction investment, be convenient to transport simultaneously.
Other features and advantages of the utility model are described in detail in detailed description of the invention part subsequently.
Accompanying drawing explanation
Accompanying drawing is used to provide further understanding of the present utility model, and forms a part for description, is used from explanation the utility model, but does not form restriction of the present utility model with detailed description of the invention one below.In the accompanying drawings:
Fig. 1 is the top view of the reheat furnace system pressure regulation air feed metering device that embodiment of the present utility model provides.
Description of reference numerals
10: body; 20: fuel gas feeding mechanism;
21: fuel gas carrier pipe; 21a:U type pipe;
21b: linear pattern pipe; 22: first-class gauge;
23: the first Pressure gauges; 24: the first pressure transmitters;
25: pressure-control valve; 26: direct-operated regulator;
27: flow monitoring alarm; 28a: the first emergency shutdown valve;
28b: emergency blow-down valve; 29: the first check-valves;
30: air supply device; 31: air delivery pipe;
31a:U type carrier pipe; 31b:L type carrier pipe;
31a-1: the first carrier pipe; 31a-2: the second carrier pipe;
31a-3: the three carrier pipe; 40: switch valve;
50: silencer; 61: second gauge;
62: the three flowmeters; 63: first flow control valve;
64: second control valve; 65: the second pressure transmitters;
66: the second Pressure gauges: 67: the second check-valves;
68: temperature transmitter; 69: the three pressure transmitters;
70: the second emergency shutdown valves; A: the first air inlet;
B: the second air inlet; C: air inlet.
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described in detail.Should be understood that, detailed description of the invention described herein, only for instruction and explanation of the utility model, is not limited to the utility model.
In the utility model, when not doing contrary explanation, the noun of locality such as " upper and lower, left and right " of use typically refers to reference to upper and lower, left and right shown in the drawings; " inside and outside " refers to profile inside and outside relative to each parts itself.
The utility model is larger based on reheat furnace system pressure regulation air feed metering device (hereinafter referred to as pressure regulation air feed metering device) floor space of the prior art, arrange not compact and be unfavorable for what the problem of transporting proposed, hereinafter with reference to accompanying drawing, the utility model is described in detail, it should be noted that, accompanying drawing is only used to more conveniently describe the utility model in detail and be not to restriction of the present utility model.
As shown in Figure 1, the reheat furnace system pressure regulation air feed metering device that the utility model provides comprises body 10 and the fuel gas feeding mechanism 20 that is arranged on this body 10 and air supply device 30, described fuel gas feeding mechanism 20 can regulate flow and the pressure of fuel gas in this fuel gas feeding mechanism 20, and described air supply device 30 can regulate flow and the pressure of air in this air supply device 30.
In the utility model, above-mentioned pressure regulation air feed metering device is divided into fuel gas feeding mechanism 20 and air supply device 30 two parts, and these two parts are all integrated on body 10, thus make the compact conformation of pressure regulation air feed metering device.That is, the arrangement of the pressure regulation air feed metering device in the utility model make use of the thought of sledge dressization, thus make the layout of pressure regulation air feed metering device compacter, and less compared to prior art floor space, simultaneously, due to above-mentioned pressure regulation air feed metering device production and assembling all complete in factory, thus can greatly reduce on-site installation work amount, improve in-site installation efficiency, save the duration, reduce construction investment, be convenient to transport simultaneously.Here it should be noted that so-called sledge dress refer to one group of equipment (be similar to fuel gas feeding mechanism 20 in the application and air supply device 30 is fixed on a chassis of being made up of angle steel or I-steel (being similar to the body 10 in the application), can integral installation and movement.
Wherein, described fuel gas feeding mechanism 20 comprises the fuel gas carrier pipe 21 be arranged on body 10 and the first flow measuring unit, the first pressure measurement cell and the first pressure control unit that are arranged on this fuel gas carrier pipe 21.It should be noted that, fuel gas carrier pipe 21 can be the arbitrary form in order to make above-mentioned pressure regulation air feed metering device characteristics of compact layout, such as, the form of U-tube 21a+ linear pattern pipe 21b as shown in Figure 1, wherein, one end of fuel gas carrier pipe 21 is air inlet (i.e. air inlet C), and one end is used for being communicated with the burner of reheat furnace system, thus mixes with the air that air supply device 30 provides.
Further, above-mentioned first flow measuring unit can be the first-class gauge 22 be arranged on U-tube 21a as shown in Figure 1, first pressure measurement cell can comprise the first Pressure gauge 23 and the first pressure transmitter 24, here the first Pressure gauge 23 is for the understanding of field personnel to pressure in fuel gas carrier pipe 21, and the first pressure transmitter 24 can make not staff at the construction field (site) understand pressure condition in fuel gas carrier pipe 21 by the transmission of signal.First pressure control unit can comprise and is arranged on pressure-control valve 25 on U-tube 21a and direct-operated regulator 26, pressure-control valve 25 can change its openings of sizes according to the data of the first pressure transmitter 24 collection, thus realizes the adjustment to pressure in fuel gas carrier pipe 21.Described fuel gas feeding mechanism 20 comprises two flow monitoring alarms 27, two flow monitoring alarms 27 are arranged on fuel gas carrier pipe 21 in parallel, thus can the flow of fuel gas in fuel gas carrier pipe 21 not in normal range (NR) time can remind staff, that is, in the present embodiment, described fuel gas feeding mechanism 20 realizes the adjustment of fuel gas flow in fuel gas carrier pipe 21 by first-class gauge 22 and flow monitoring alarm 27, and by the first Pressure gauge 23, first pressure transmitter 24, pressure-control valve 25 and direct-operated regulator 26 realize the adjustment of pressure in fuel gas carrier pipe 21.
In order in an emergency situation or boiler breaks down time the supply of fuel gas feeding mechanism 20 pairs of fuel gas, this fuel gas feeding mechanism 20 can be stoped also to comprise be arranged on the first emergency shutdown valve 28a on fuel gas carrier pipe 21 and emergency blow-down valve 28b in time.
In addition, described fuel gas feeding mechanism 20 also comprises the first check-valves 29 be arranged on the linear pattern pipe 21b of fuel gas carrier pipe 21, thus guarantees that fuel gas flows along a direction, that is prevents fuel gas from flowing backwards.
Wherein, described air supply device 30 comprises the air delivery pipe 31 be arranged on body 10 and the second phasor measurement unit, the second flow controlling unit and the second pressure measurement cell that are arranged on this air delivery pipe 31, thus the air capacity in air supply device 30 and pressure is maintained in normal scope by second phasor measurement unit, the second flow controlling unit and the second pressure measurement cell.
It should be noted that, air delivery pipe 31 can be the arbitrary form in order to make above-mentioned pressure regulation air feed metering device characteristics of compact layout, in the present embodiment, air delivery pipe 31 comprises U type transfer line 31a and L-type carrier pipe 31b, this U type transfer line 31a comprises the first carrier pipe 31a-1 parallel to each other with the second carrier pipe 31a-2 and be connected to form the 3rd U-shaped carrier pipe 31a-3 with the first end of the first carrier pipe 31a-1 and the second carrier pipe 31a-2 respectively, the first end of described L-type carrier pipe 31b is communicated with the 3rd carrier pipe 31a-3, second end of L-type carrier pipe 31b is used for being communicated with the burner of reheat furnace system.It should be noted that, air air inlet can be arranged on the first carrier pipe 31a-1 or/and second end of the second carrier pipe 31a-2, in the present embodiment, described air delivery pipe 31 comprises the first air inlet A and the second air inlet B, forms described first air inlet A and the second air inlet B respectively at the second end place of the first carrier pipe 31a-1 and the second carrier pipe 31a-2.
Wherein, described 3rd carrier pipe 31a-3 is provided with switch valve 40 with the both sides of the connectivity part of L-type carrier pipe 31b, such as, this switch valve 40 can be butterfly valve, and switch valve 40 is determined to need to make the first air inlet A and/or the second air inlet B air inlet according to actual conditions.
Further, in order to make the layout of above-mentioned pressure regulation air feed metering device compacter, the first end of described L-type carrier pipe 31b and the connectivity part of the 3rd carrier pipe 31a-3 be the non-central place of the length direction of the 3rd carrier pipe 31a-3 (that is, the first end of L-type carrier pipe 31b and the connectivity points of the 3rd carrier pipe 31a-3 depart from the center of the length direction of the 3rd carrier pipe 31a-3), in the side of L-type carrier pipe 31b, there is larger space like this, thus convenient installation fuel gas feeding mechanism 20, and by selecting the fuel gas carrier pipe 21 of suitable shape (such as, the form of the U-tube 21a+ linear pattern pipe 21b in present embodiment), can make that there is between fuel gas carrier pipe 21 and L-type carrier pipe 31b the passage that staff can be made to walk up and down to operate or understand field conditions.
In order to make the layout of above-mentioned pressure regulation air feed metering device compacter, preferably, the opening direction of described U type transfer line 31a towards the side away from L-type carrier pipe 31b, as shown in Figure 1.
In addition, the second phasor measurement unit of described air supply device 30 can comprise the second gauge 61 be arranged on the first carrier pipe 31a-1 and the second carrier pipe 31a-2 and the 3rd flowmeter 62 be arranged on L-type carrier pipe 31b.Second flow controlling unit can comprise with each second gauge 61 with the use of first flow control valve 63 and with the 3rd flowmeter 62 with the use of second control valve 64.When the reading of second gauge 61 is bigger than normal, pressure in first carrier pipe 31a-1 and the second carrier pipe 31a-2 becomes large, therefore need by first flow control valve 63 emptying, thus regulate the pressure versus flow in the first carrier pipe 31a-1 and the second carrier pipe 31a-2, 3rd flowmeter 62 is for regulating the flow of air in L-type carrier pipe 31b thus ensureing that the mixing ratio of fuel gas and air in burner is predetermined value with second control valve 64, it should be noted that the 3rd flowmeter 62 can be two and these two the 3rd flowmeters 62 are arranged in parallel and have different ranges.In addition, second pressure measurement cell can comprise and is separately positioned on the second pressure transmitter 65 on the first carrier pipe 31a-1 and the second carrier pipe 31a-2 and the second Pressure gauge 66, second pressure measurement cell can also comprise the 3rd pressure transmitter 69 be arranged on the 3rd carrier pipe 31a-3.As from the foregoing, the pressure in the air delivery pipe 31 of described air supply device 30 is by second gauge 61 and first flow control valve 63 indirect regulation.
Certainly, first carrier pipe 31a-1 and the second carrier pipe 31a-2 also can arrange the second check-valves 67 for preventing air blow back respectively, also can set temperature transmitter 68 on the first carrier pipe 31a-1 and the second carrier pipe 31a-2 respectively in order to understand temperature in the first carrier pipe 31a-1 and the second carrier pipe 31a-2.In addition, considering safety factor, L-type carrier pipe 31b is also provided with the second emergency shutdown valve 70, this second emergency shutdown valve 70 can be turned off when being in an emergency, thus prevention supplies air in burner.
Due to can noise be produced when 63 emptying of first flow control valve, therefore staff or other staff are had influence in order to prevent, described pressure regulation air feed metering device also comprises silencer 50, this silencer 50 is arranged in the U-shaped space of U type transfer line 31a, the space in U type transfer line 31a can be utilized like this, thus make the floor space of saving pressure regulation air feed metering device, and make staff away from noise.
Wherein, described silencer 50 can be two, two silencers 50 are connected with the first carrier pipe 31a-1 and the second carrier pipe 31a-2 respectively, that is, these two silencers 50 correspond respectively to second gauge 61 on second gauge 61 on the first carrier pipe 31a-1 and first flow control valve 63 and the second carrier pipe 31a-2 and first flow control valve 63.
The pressure regulation air feed metering device that the utility model provides in use, fuel gas is from one end (the i.e. air inlet C) air inlet of fuel gas carrier pipe 21, and the burner of reheat furnace system is entered by the other end of fuel gas carrier pipe 21, air enters air delivery pipe 31 from the first air inlet A and/or the second air inlet B simultaneously, then entered in the burner of reheat furnace system by the second end of air delivery pipe 31, thus enter hearth combustion together with fuel gas.
Below preferred embodiment of the present utility model is described by reference to the accompanying drawings in detail; but; the utility model is not limited to the detail in above-mentioned embodiment; within the scope of technical conceive of the present utility model; can carry out multiple simple variant to the technical solution of the utility model, these simple variant all belong to protection domain of the present utility model.
It should be noted that in addition, each the concrete technical characteristic described in above-mentioned detailed description of the invention, in reconcilable situation, can be combined by any suitable mode.
In addition, also can be combined between various different embodiment of the present utility model, as long as it is without prejudice to thought of the present utility model, it should be considered as content disclosed in the utility model equally.
Claims (10)
1. a reheat furnace system pressure regulation air feed metering device, it is characterized in that, this pressure regulation air feed metering device comprises body (10) and the fuel gas feeding mechanism (20) that is arranged on this body (10) and air supply device (30), described fuel gas feeding mechanism (20) can regulate flow and the pressure of fuel gas in this fuel gas feeding mechanism (20), and described air supply device (30) can regulate flow and the pressure of air in this air supply device (30).
2. reheat furnace system pressure regulation air feed metering device according to claim 1, it is characterized in that, described fuel gas feeding mechanism (20) comprises the fuel gas carrier pipe (21) be arranged on described body (10) and the first flow measuring unit, the first pressure measurement cell and the first pressure control unit that are arranged on this fuel gas carrier pipe (21).
3. reheat furnace system pressure regulation air feed metering device according to claim 2, it is characterized in that, described air supply device (30) comprises the air delivery pipe (31) be arranged on described body (10) and the second phasor measurement unit, the second flow controlling unit and the second pressure measurement cell that are arranged on this air delivery pipe (31).
4. reheat furnace system pressure regulation air feed metering device according to claim 3, it is characterized in that, described air delivery pipe (31) comprises U type transfer line (31a) and L-type carrier pipe (31b), this U type transfer line (31a) comprises the first carrier pipe (31a-1) parallel to each other with the second carrier pipe (31a-2) and be connected to form the 3rd U-shaped carrier pipe (31a-3) with the first end of described first carrier pipe (31a-1) and the second carrier pipe (31a-2) respectively, the first end of described L-type carrier pipe (31b) is communicated with described 3rd carrier pipe (31a-3), second end of described L-type carrier pipe (31b) is used for being communicated with the burner of reheat furnace system.
5. reheat furnace system pressure regulation air feed metering device according to claim 4, it is characterized in that, described air delivery pipe (31) comprises the first air inlet (A) and the second air inlet (B), forms described first air inlet (A) and the second air inlet (B) respectively at the second end place of described first carrier pipe (31a-1) and the second carrier pipe (31a-2).
6. reheat furnace system pressure regulation air feed metering device according to claim 5, it is characterized in that, described 3rd carrier pipe (31a-3) be provided with switch valve (40) with the both sides of the connectivity part of described L-type carrier pipe (31b).
7. reheat furnace system pressure regulation air feed metering device according to claim 4, it is characterized in that, the first end of described L-type carrier pipe (31b) and the connectivity part of described 3rd carrier pipe (31a-3) are the non-central place of the length direction of described 3rd carrier pipe (31a-3).
8. reheat furnace system pressure regulation air feed metering device according to claim 4, is characterized in that, the opening direction of described U type transfer line (31a) is towards the side away from described L-type carrier pipe (31b).
9. according to the pressure regulation air feed metering device of the reheat furnace system in claim 4-8 described in any one, it is characterized in that, described pressure regulation air feed metering device also comprises silencer (50), and this silencer (50) is arranged in the U-shaped space of described U type transfer line (31a).
10. reheat furnace system pressure regulation air feed metering device according to claim 9, it is characterized in that, described silencer (50) is two, and two described silencers (50) are connected with described first carrier pipe (31a-1) and the second carrier pipe (31a-2) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520374209.4U CN204786534U (en) | 2015-06-03 | 2015-06-03 | Heating furnace is pressure regulating air feed metering device for system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520374209.4U CN204786534U (en) | 2015-06-03 | 2015-06-03 | Heating furnace is pressure regulating air feed metering device for system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204786534U true CN204786534U (en) | 2015-11-18 |
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ID=54526580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520374209.4U Active CN204786534U (en) | 2015-06-03 | 2015-06-03 | Heating furnace is pressure regulating air feed metering device for system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204786534U (en) |
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2015
- 2015-06-03 CN CN201520374209.4U patent/CN204786534U/en active Active
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing Co-patentee after: CNOOC OIL & PETROCHEMICALS Co.,Ltd. Patentee after: CHINA NATIONAL OFFSHORE OIL Corp. Co-patentee after: COOEC-ENPAL ENGINEERING Co.,Ltd. Address before: 100010 Hai Yuan building, 25 Chaoyangmen North Street, Dongcheng District, Beijing. Co-patentee before: CNOOC OIL & PETROCHEMICALS Co.,Ltd. Patentee before: CHINA NATIONAL OFFSHORE OIL Corp. Co-patentee before: COOEC-ENPAL ENGINEERING Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180517 Address after: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing Co-patentee after: CNOOC OIL & PETROCHEMICALS Co.,Ltd. Patentee after: CHINA NATIONAL OFFSHORE OIL Corp. Co-patentee after: CNOOC PETROCHEMICAL ENGINEERING Co.,Ltd. Address before: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing Co-patentee before: CNOOC OIL & PETROCHEMICALS Co.,Ltd. Patentee before: CHINA NATIONAL OFFSHORE OIL Corp. Co-patentee before: COOEC-ENPAL ENGINEERING Co.,Ltd. |