Device for prolonging operation cycle of delayed coking heating furnace and reducing energy consumption

Abstract

The utility model relates to the technical field of petrochemical industry, in particular to a device for prolonging the operation cycle of a delayed coking heating furnace and reducing energy consumption, which plays a role in enhancing and strengthening the oil-gas mixing effect by optimizing the steam injection mode of the heating furnace. Residual oil and steam are uniformly mixed in the heating furnace tube, green coke in the furnace tube is reduced, the operation period of the heating furnace is prolonged, and fuel gas consumption of the heating furnace is reduced; comprising a feeding mechanism; the device further comprises a mixing mechanism, a steam inlet mechanism, a discharging mechanism and three groups of pressure measuring mechanisms, the mixing mechanism is mounted on the feeding mechanism and is used for neatly mixing residual oil with the feeding mechanism, the steam inlet mechanism is mounted on the mixing mechanism and is used for conveying the residual oil, and the discharging mechanism is mounted on the mixing mechanism and is used for discharging steam-in-oil type emulsified fluid; and the three groups of pressure measuring mechanisms are respectively arranged on the feeding mechanism, the mixing mechanism and the steam inlet mechanism and are used for detecting pressures at three positions.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of petrochemical industry, in particular to a device for improving the operation cycle of delayed coking heating furnace and reducing energy consumption. BACKGROUND

[0002] In recent years, China's petrochemical industry has developed rapidly, and the state has vigorously advocated the development of energy-saving and consumption-reducing process technology. Energy saving and consumption reduction can enhance the competitiveness of enterprises, so energy saving and consumption reduction is a necessary condition for the sustainable development of enterprises.

[0003] The existing heating furnace, for example, the utility model patent with the application number 202323122008.9 discloses an environmentally friendly and energy-saving heating furnace for petrochemical industry, which mainly comprises a heat preservation shell, a pipeline is arranged inside the heat preservation shell, an air inlet pipe is connected to the bottom end of the pipeline, a conveying pipe is communicated to the bottom end of the air inlet pipe, a pressing plate is arranged above the conveying pipe, an exhaust pipe is connected to the top end of the pipeline and installed on the heat preservation shell; during use, the heating furnace is installed, the exhaust pipe is communicated with the waste gas purification device, after starting work, the material is put into the furnace body inside the heat preservation shell, the heating device arranged outside the furnace body starts to work and heats the furnace body, the flue gas generated after the material in the furnace body is heated is conveyed to the conveying pipe from the opening above the furnace body, the flue gas is filtered by the filter screen and then enters the air inlet pipe, the air inlet pipe conveys the flue gas into the pipeline, the residual heat of the flue gas acts on the inside of the heat preservation shell along the pipeline, thereby achieving heat preservation and heating of the outside of the furnace body, then the flue gas moves upward along the pipeline and is discharged into the corresponding treatment device for purification through the exhaust pipe, and the waste gas is discharged into the atmosphere after treatment.

[0004] However, most of the existing heating furnaces use three-point high-pressure desalted water injection, the fuel gas consumption is relatively high, and the heating furnace radiant tube is seriously coked, which seriously affects the safe and long-period production of the device. UTILITY MODEL CONTENT

[0005] To solve the above technical problems, the utility model provides a device for improving the operation cycle of delayed coking heating furnace and reducing energy consumption by optimizing the heating furnace steam injection mode, which plays a role in increasing and strengthening the oil-steam mixing effect, ensures the uniform mixing of residual oil and steam in the heating furnace tube, reduces the coking in the furnace tube, prolongs the operation cycle of the heating furnace, and reduces the fuel gas consumption of the heating furnace.

[0006] The utility model discloses a device of improving the running cycle of delayed coking heating furnace and reducing energy consumption, including feeding mechanism, still including mixing mechanism, steam inlet mechanism, discharge mechanism and three groups of pressure measuring mechanism, and mixing mechanism installs on feeding mechanism and mixes with neat and residual oil, and steam inlet mechanism installs on mixing mechanism and transports residual oil, and discharge mechanism installs on mixing mechanism and discharges oil-encapsulated steam type emulsion fluid, and three groups of pressure measuring mechanism are installed on feeding mechanism, mixing mechanism and steam inlet mechanism respectively and detect three pressures, residual oil is transported to mixing mechanism from feeding mechanism, and steam is transported to mixing mechanism from steam inlet mechanism, and residual oil and steam are mixed into oil-encapsulated steam type emulsion fluid in mixing mechanism, and oil-encapsulated steam type emulsion fluid is discharged through discharge mechanism, and through setting three groups of pressure measuring mechanism to feeding pressure, steam pressure and discharge port pressure respectively, the equipment operating state is detected.

[0007] Preferably, the feeding mechanism includes a bottom cover, a first flange sheet and a feeding pipe, the top end of the bottom cover is connected with the first flange sheet, the inside of the bottom cover is provided with a cavity, and the top end of the feeding pipe is in communication with the inside of the bottom end of the bottom cover; the feeding pipe is communicated with a residual oil pipeline, and the residual oil enters the cavity of the bottom cover through the feeding pipe.

[0008] Preferably, the mixing mechanism includes a cylinder, two groups of second flange sheets, two groups of tube sheets and an ear seat, the bottom end and the top end of the cylinder are respectively provided with the second flange sheets, the second flange sheet at the bottom end is fixedly connected with the first flange sheet through bolts, the two groups of tube sheets are both installed in the inside of the cylinder, and the ear seat is installed on the cylinder; the equipment is fixed on a working surface by means of the ear seat, the residual oil in the cavity of the bottom cover enters the cylinder and is fully mixed with the steam transported by the steam inlet mechanism to generate oil-encapsulated steam type emulsion fluid.

[0009] Preferably, the steam inlet mechanism includes a first rib plate, a steam inlet pipe, a steam connector and a baffle, the first rib plate is installed on the cylinder, the steam inlet pipe is installed on the cylinder and is in communication with the inside of the cylinder, the steam connector is installed on the steam inlet pipe, and the baffle is installed in the cylinder; the equipment is fixed on a working surface by means of the ear seat, the residual oil in the cavity of the bottom cover enters the cylinder and is fully mixed with the steam transported by the steam inlet mechanism to generate oil-encapsulated steam type emulsion fluid.

[0010] Preferably, the discharge mechanism includes a top cover, a third flange sheet, a discharge pipe and lifting lugs, the bottom end of the top cover is connected with the third flange sheet, the third flange sheet is connected with the second flange sheet at the top end through bolts, the bottom end of the discharge pipe is in communication with the inside of the top end of the top cover, and the two groups of lifting lugs are both installed on the top cover; the mixed oil-encapsulated steam type emulsion fluid enters the top cover through the tube sheet, the discharge pipe is communicated with a heating furnace oil supply pipeline, the oil-encapsulated steam type emulsion fluid is transported into the heating furnace through the discharge pipe, and the two groups of lifting lugs are convenient for lifting the equipment.

[0011] Preferably, the pressure measuring mechanism comprises second rib plates, pressure measuring tubes and pressure gauge connectors, three groups of second rib plates are respectively arranged on the bottom cover, the cylinder and the top cover, the pressure measuring tubes are arranged on the second rib plates and three groups of pressure measuring tubes are respectively communicated with the inside of the bottom cover, the cylinder and the top cover, and the pressure gauge connectors are communicated with the inside of the pressure measuring tubes; three groups of pressure gauges are connected with the three groups of pressure gauge connectors respectively, so that the inside pressure of the bottom cover, the cylinder and the top cover is detected, and the equipment running state is conveniently detected.

[0012] Compared with the prior art, the beneficial effects of the utility model are that: the residual oil is conveyed into the mixing mechanism from the feeding mechanism, the steam is conveyed into the mixing mechanism from the steam feeding mechanism, the residual oil and the steam are mixed into oil-in-steam type emulsified fluid in the mixing mechanism, and the oil-in-steam type emulsified fluid is discharged through the discharging mechanism, three groups of pressure measuring mechanisms are arranged to detect the feeding pressure, the steam pressure and the discharge port pressure respectively, and the equipment running state is detected. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 is the front view sectional structure schematic diagram of the utility model;

[0014] Fig. 2 is the front view sectional structure schematic diagram of the utility model;

[0015] Fig. 3 is the upper view structure schematic diagram of the utility model.

[0016] Markings in the drawings: 01, feeding mechanism; 11, bottom cover; 12, first flange piece; 13, feeding pipe; 02, mixing mechanism; 21, cylinder; 22, second flange piece; 23, tube sheet; 24, lug seat; 03, steam feeding mechanism; 31, first rib plate; 32, steam feeding pipe; 33, steam connector; 34, anti-collision plate; 04, discharging mechanism; 41, top cover; 42, third flange piece; 43, discharging pipe; 44, lifting lug; 05, pressure measuring mechanism; 51, second rib plate; 52, pressure measuring tube; 53, pressure gauge connector. DETAILED DESCRIPTION

[0017] In order to facilitate the understanding of the utility model, the utility model will be described more fully below with reference to the relevant drawings. The utility model can be realized in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0018] Example 1

[0019] The utility model discloses a device of improving the running cycle of delayed coking heating furnace and reducing energy consumption, including feeding mechanism 01, still including mixing mechanism 02, steam admission mechanism 03, discharge mechanism 04 and three groups of pressure measuring mechanism 05, and mixing mechanism 02 is installed on feeding mechanism 01 and mixes with neat and residual oil, and steam admission mechanism 03 is installed on mixing mechanism 02 and transports residual oil, and discharge mechanism 04 is installed on mixing mechanism 02 and discharges oil-encapsulated steam type emulsion fluid, and three groups of pressure measuring mechanism 05 are installed on feeding mechanism 01, mixing mechanism 02 and steam admission mechanism 03 respectively and detect three pressures, feeding mechanism 01 includes bottom cover 11, first flange piece 12 and feeding pipe 13, and the top of bottom cover 11 is connected with first flange piece 12, and the inside of bottom cover 11 is provided with cavity, and the top of feeding pipe 13 is communicated with the inside of the bottom of bottom cover 11, mixing mechanism 02 includes cylinder 21, two groups of second flange piece 22, two groups of tube sheet 23 and lug seat 24, and the bottom end and top end of cylinder 21 are installed with second flange piece 22 respectively, and the second flange piece 22 of bottom end is fixedly connected with first flange piece 12 through bolt, and two groups of tube sheet 23 are all installed in the inside of cylinder 21, and lug seat 24 is installed on cylinder 21, steam admission mechanism 03 includes first rib plate 31, steam admission pipe 32, steam connection head 33 and anti-collision plate 34, and first rib plate 31 is installed on cylinder 21, and steam admission pipe 32 is installed on cylinder 21 and is communicated with the inside of cylinder 21, and steam connection head 33 is installed on steam admission pipe 32, and anti-collision plate 34 is installed in cylinder 21, discharge mechanism 04 includes top cover 41, third flange piece 42, discharge pipe 43 and lifting lug 44, and the bottom end of top cover 41 is connected with third flange piece 42, and third flange piece 42 is connected with second flange piece 22 at the top through bolt, and the bottom end of discharge pipe 43 is communicated with the inside of the top of top cover 41, and two groups of lifting lug 44 are all installed on top cover 41, when it works, first, through setting two groups of lifting lug 44, hoisting equipment is convenient, using lug seat 24 to fix the equipment on the working surface, making feeding pipe 13 communicate with residual oil pipeline, residual oil enters into the cavity of bottom cover 11 through feeding pipe 13, connecting steam connection head 33 with steam pipeline, steam is transported into cylinder 21 through steam admission pipe 32, avoiding steam direct impact through setting anti-collision plate 34, steam diffusion is convenient, and steam mixes with residual oil fully in cylinder 21 and generates oil-encapsulated steam type emulsion fluid, and the oil-encapsulated steam type emulsion fluid after mixing enters into top cover 41 through tube sheet 23, making discharge pipe 43 communicate with heating furnace oil supply pipeline, and the oil-encapsulated steam type emulsion fluid is transported into heating furnace through discharge pipe 43.

[0020] Example 2

[0021] As Figs. 1 to 3As shown, the device for improving the operation cycle of the delayed coking heating furnace and reducing energy consumption comprises a pressure measuring mechanism 05, a steam inlet pipe 32, a steam connection head 33, a steam diffusion plate 34, a cylinder body 21, a top cover 41, a pressure gauge connecting head 53, a pressure gauge, a discharge pipe 43, a heating furnace oil supply pipeline, a heating furnace, a feeding pipe 13, a residue oil pipeline, a bottom cover 11, a second rib plate 51, a pressure measuring pipe 52 and a lug 44. The pressure measuring mechanism 05 comprises the second rib plate 51, the pressure measuring pipe 52 and the pressure gauge connecting head 53. The three groups of second rib plates 51 are respectively installed on the bottom cover 11, the cylinder body 21 and the top cover 41. The pressure measuring pipe 52 is installed on the second rib plate 51 and is communicated with the inside of the bottom cover 11, the cylinder body 21 and the top cover 41. The pressure gauge connecting head 53 is communicated with the inside of the pressure measuring pipe 52. In the working process, first, the two groups of lugs 44 are used for conveniently hoisting the equipment. The equipment is fixed on the working surface by the lug seat 24. The feeding pipe 13 is communicated with the residue oil pipeline. The residue oil enters into the cavity of the bottom cover 11 through the feeding pipe 13. The steam connection head 33 is connected with the steam pipeline. The steam is transported into the cylinder body 21 through the steam inlet pipe 32. The steam diffusion is facilitated by the steam diffusion plate 34. The steam is fully mixed with the residue oil in the cylinder body 21 to generate the oil-encapsulated steam type emulsified fluid. The oil-encapsulated steam type emulsified fluid enters into the top cover 41 through the tube plate 23. The discharge pipe 43 is communicated with the heating furnace oil supply pipeline. The oil-encapsulated steam type emulsified fluid is transported into the heating furnace through the discharge pipe 43. The three groups of pressure gauges are connected with the three groups of pressure gauge connecting heads 53. The inside pressures of the bottom cover 11, the cylinder body 21 and the top cover 41 are detected. The equipment operation state is conveniently detected.

[0022] The preferred embodiments of the utility model are described above, and it should be noted that the ordinary skilled in the art can make several improvements and modifications without departing from the technical principles of the utility model, and these improvements and modifications should be regarded as the protection scope of the utility model.

Claims

1. An apparatus for improving the operating cycle and reducing energy consumption of a delayed coking furnace, comprising a feeding mechanism (01); characterized in that, It also includes a mixing mechanism (02), a steam inlet mechanism (03), a discharge mechanism (04), and three sets of pressure measuring mechanisms (05). The mixing mechanism (02) is installed on the feeding mechanism (01) and mixes the oil with the residue. The steam inlet mechanism (03) is installed on the mixing mechanism (02) and transports the residue. The discharge mechanism (04) is installed on the mixing mechanism (02) and discharges the oil-in-steam emulsion. The three sets of pressure measuring mechanisms (05) are installed on the feeding mechanism (01), the mixing mechanism (02), and the steam inlet mechanism (03) respectively and detect the pressure at three points.

2. The apparatus for improving the operating cycle and reducing energy consumption of a delayed coking furnace as described in claim 1, characterized in that, The feeding mechanism (01) includes a bottom cover (11), a first flange (12) and a feeding pipe (13). The top of the bottom cover (11) is connected to the first flange (12). The bottom cover (11) has a cavity inside. The top of the feeding pipe (13) is connected to the bottom of the bottom cover (11).

3. The apparatus for improving the operating cycle and reducing energy consumption of a delayed coking furnace as described in claim 2, characterized in that, The mixing mechanism (02) includes a cylinder (21), two sets of second flanges (22), two sets of tube sheets (23), and lugs (24). The bottom and top of the cylinder (21) are respectively equipped with second flanges (22). The second flange (22) at the bottom is fixedly connected to the first flange (12) by bolts. Both sets of tube sheets (23) are installed inside the cylinder (21), and the lugs (24) are installed on the cylinder (21).

4. The apparatus for improving the operating cycle and reducing energy consumption of a delayed coking furnace as described in claim 3, characterized in that, The steam inlet mechanism (03) includes a first rib (31), a steam inlet pipe (32), a steam connector (33), and an anti-impact plate (34). The first rib (31) is installed on the cylinder (21), the steam inlet pipe (32) is installed on the cylinder (21) and communicates with the inside of the cylinder (21), the steam connector (33) is installed on the steam inlet pipe (32), and the anti-impact plate (34) is installed inside the cylinder (21).

5. The apparatus for improving the operating cycle and reducing energy consumption of a delayed coking furnace as described in claim 3, characterized in that, The material discharge mechanism (04) includes a top cover (41), a third flange (42), a discharge pipe (43), and lifting lugs (44). The bottom end of the top cover (41) is connected to the third flange (42), and the third flange (42) is connected to the second flange (22) located at the top by bolts. The bottom end of the discharge pipe (43) is connected to the top of the top of the top cover (41). Both sets of lifting lugs (44) are installed on the top cover (41).

6. The apparatus for improving the operating cycle and reducing energy consumption of a delayed coking furnace as described in claim 5, characterized in that, The pressure measuring mechanism (05) includes a second rib (51), a pressure measuring tube (52), and a pressure gauge connector (53). The three sets of second ribs (51) are respectively installed on the bottom cover (11), the cylinder (21), and the top cover (41). The pressure measuring tube (52) is installed on the second rib (51), and the three sets of pressure measuring tubes (52) are respectively connected to the inside of the bottom cover (11), the cylinder (21), and the top cover (41). The pressure gauge connector (53) is connected to the inside of the pressure measuring tube (52).

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