CN218864842U

CN218864842U - Gas preheater with high heat transfer fluid

Info

Publication number: CN218864842U
Application number: CN202222841785.8U
Authority: CN
Inventors: 许名伟
Original assignee: Shanghai Lalleen Industrial Equipment Co ltd
Current assignee: Shanghai Lalleen Industrial Equipment Co ltd
Priority date: 2022-10-27
Filing date: 2022-10-27
Publication date: 2023-04-14
Anticipated expiration: 2032-10-27

Abstract

The utility model discloses a coal gas preheater with high heat transfer fluid relates to coal gas preheater technical field, the on-line screen storage device comprises a base, the last fixed surface of base installs rose box and coal gas preheater body, the inside fixedly connected with heat exchange tube of coal gas preheater body, the heat exchange tube runs through coal gas preheater body and is linked together with the rose box, the air inlet has been seted up to one side of rose box, the inside of rose box is provided with the fixed plate, the inside fixed mounting of fixed plate has the filter screen, the beneficial effects of the utility model are that: filter coal gas through the filter screen that sets up, hold back the impurity in the coal gas to through the first motor that sets up, the carousel of first pivot of control and one end rotates, utilizes connecting rod control filter screen to control reciprocal vibrations, and under the effect of transfer line, the filter screen filtration pore is dredged to the utilization mediation brush simultaneously, has further improved the filter effect.

Description

Gas preheater with high heat transfer fluid

Technical Field

The utility model relates to a coal gas preheater technical field specifically is a coal gas preheater with high heat transfer fluid.

Background

The gas preheater is used for heating gas, and aims to evaporate redundant moisture in the saturator, keep water balance in the saturator, heat combustion air and gas fuel by using flue gas waste heat discharged by an industrial furnace, improve combustion temperature, ensure necessary furnace temperature and obviously save fuel.

Application number (202121725142.6) discloses a gas preheater, including circular preheating tank, the side of preheating tank is provided with rather than communicating gas outlet and gas inlet respectively, the flue gas intake pipe that sets up along left and right directions is connected with fixedly to the homonymy of gas outlet, the upper end coaxial of preheating tank is provided with flue gas outlet pipe. This coal gas pre-heater can wash the fin through high pressure nozzle, and the fin is the heliciform, and water can follow the bottom of the helical direction flow direction preheating tank of fin when washing, and electric telescopic handle can drive high pressure nozzle and go up and down, and is favorable to the heat exchange efficiency of fin more stable to the cleaner thoroughly that the fin washed.

In the process of implementing the application, the inventor finds that at least the following problems exist in the technology: this structure filter effect is not good, though can carry out effectual washing to the heat exchange tube, but coal gas does not carry out effectual filtration before getting into the heat exchange tube, and impurity such as tar, tar sediment can get into the heat exchange tube in the coal gas inside, along with the lapse of time, needs the discontinuity to clear up, wastes time and energy, does not handle from the root cause.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a coal gas preheater with high heat transfer fluid has solved and has proposed the not good problem of filter effect among the above-mentioned background art.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a coal gas preheater with high heat transfer fluid, includes the base, the last fixed surface of base installs rose box and coal gas preheater body, the inside fixedly connected with heat exchange tube of coal gas preheater body, the heat exchange tube runs through coal gas preheater body and is linked together with the rose box, the air inlet has been seted up to one side of rose box, the inside of rose box is provided with the fixed plate, the inside fixedly mounted of fixed plate has the filter screen, the outside fixedly mounted of fixed plate has first slider, the first spout has been seted up to the inside of rose box, first slider and first spout sliding connection, the top fixedly mounted of rose box has first motor, the output fixedly connected with first pivot of first motor, the one end fixedly connected with carousel of first pivot, one side fixedly mounted of carousel has eccentric round pin axle, the outside of eccentric round pin axle is rotated and is connected with the connecting rod, the one end and the filter screen rotation of connecting rod are connected.

Preferably, a second sliding groove is formed in one side of the fixing plate, a second sliding block is connected to the inside of the second sliding groove in a sliding mode, a dredging brush is fixedly mounted on one side of the second sliding block, a transmission rod is connected to the inside of the filter box in a rotating mode, and one end of the transmission rod is connected with the second sliding block in a rotating mode.

Preferably, fins are arranged on the outer side of the heat exchange tube, an air outlet pipe is fixedly connected to one side of the gas preheater body, and an air inlet pipe is fixedly connected to the other side of the gas preheater body.

Preferably, a second motor is fixedly mounted on the upper surface of the gas preheater body, a second rotating shaft is fixedly connected to the output end of the second motor, and a first bevel gear is fixedly mounted on the outer side of the second rotating shaft.

Preferably, the upper surface of the gas preheater body is fixedly provided with a supporting plate, and one end of the second rotating shaft is rotatably connected with the supporting plate.

Preferably, the inside of the gas preheater body is rotatably connected with a reciprocating screw rod, the upper end of the reciprocating screw rod is fixedly connected with a second bevel gear, the second bevel gear is meshed with the first bevel gear, a scraper is arranged inside the gas preheater body, and the scraper is in threaded connection with the reciprocating screw rod.

The utility model provides a coal gas preheater with high heat transfer fluid possesses following beneficial effect:

1. this coal gas preheater with high heat transfer fluid, filter coal gas through the filter screen that sets up, hold back the impurity in the coal gas, prevent tar in the coal gas, impurity deposits such as tar sediment caking in the inner wall of heat exchange tube, and through the first motor that sets up, the carousel of first pivot of control and one end rotates, utilize connecting rod control filter screen to control reciprocal vibrations, simultaneously under the effect of transfer line, make the second slider slide in the inside of second spout, utilize the mediation brush to dredge the filter screen filtration pore, the filter effect has further been improved.

2. This gas heater with high heat transfer fluid through the second motor that sets up, controls the second pivot and the first bevel gear in the outside rotates, drives reciprocal lead screw and rotates for the scraper blade carries out reciprocating motion from top to bottom at the inner wall of gas heater body, carries out effectual washing to gas heater body inner wall, has improved the functional of equipment, has reduced staff's labour.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of the point A of FIG. 1 according to the present invention;

FIG. 3 is an enlarged view of the point B of FIG. 1 according to the present invention;

fig. 4 is an enlarged view of the point C in fig. 1 of the present invention.

In the figure: 1. a base; 2. a squeegee; 3. a gas preheater body; 4. a reciprocating screw rod; 5. a heat exchange pipe; 6. a fin; 7. an air outlet pipe; 8. a support plate; 9. an air inlet pipe; 10. a first motor; 11. a filter box; 12. an air inlet; 13. a first chute; 14. a first slider; 15. a fixing plate; 16. a filter screen; 17. a second chute; 18. a second slider; 19. dredging the brush; 20. a transmission rod; 21. a first rotating shaft; 22. a turntable; 23. a connecting rod; 24. an eccentric pin shaft; 25. a second motor; 26. a second rotating shaft; 27. a first bevel gear; 28. a second bevel gear.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

The first embodiment is as follows:

referring to fig. 1 to 4, a gas preheater with high heat transfer fluid comprises a base 1, a filter box 11 and a gas preheater body 3 are fixedly installed on the upper surface of the base 1, a heat exchange tube 5 is fixedly connected inside the gas preheater body 3, the heat exchange tube 5 penetrates through the gas preheater body 3 and is communicated with the filter box 11, an air inlet 12 is opened on one side of the filter box 11, a fixing plate 15 is installed inside the filter box 11, a filter screen 16 is fixedly installed inside the fixing plate 15, the gas is filtered through the filter screen 16, impurities in the gas are trapped, deposition of impurities such as tar and tar slag in the gas is prevented from being agglomerated on the inner wall of the heat exchange tube 5, a first slider 14 is fixedly installed on the outer side of the fixing plate 15, a first sliding chute 13 is opened inside the filter box 11, the first slider 14 is slidably connected with the first sliding chute 13, a first motor 10 is fixedly installed on the top of the filter box 11, an output end of the first motor 10 is fixedly connected with a first rotating shaft 21, one end of the first rotating shaft 21 is fixedly connected with a rotating turntable 22, one side of the rotating of the turntable 22 is fixedly connected with an eccentric pin shaft 24, one end of the connecting rod 23, a second sliding rod 23 is connected with a second sliding control slider 20, a second sliding brush which controls the sliding of the sliding chute 18 and a second sliding brush which controls the sliding of the sliding chute 16 to control slider 16 to control the sliding of the sliding chute 16, the sliding chute 16 to control the sliding chute 16, the sliding of the sliding chute 16 to control the sliding chute 16, the sliding chute 16 to control the sliding of the sliding chute 16, the sliding chute 16 to control the sliding chute 16, when the filter screen 16 moves left and right, under the action of the transmission rod 20, the second sliding block 18 slides in the second sliding groove 17, the filter holes of the filter screen 16 are dredged by the dredging hairbrush 19, the filtering effect is further improved, and further the heat transfer effect of the coal gas in the heat exchange tube 5 is realized.

Example two:

the outside of heat exchange tube 5 is provided with fin 6, one side fixedly connected with outlet duct 7 of coal gas preheater body 3, the opposite side fixedly connected with intake pipe 9 of coal gas preheater body 3, with the inside of coal gas entering rose box 11 through air inlet 12, the heat exchange tube 5 is arranged into again through the filtration of filter screen 16, and the accessible passes through the outlet duct 7 with external high temperature industrial waste gas and gets into inside coal gas preheater body 3, make fin 6 heat, fin 6 carries out the heat transfer with heat exchange tube 5, heat coal gas.

Example three:

the upper surface of the gas preheater body 3 is fixedly provided with a second motor 25, the output end of the second motor 25 is fixedly connected with a second rotating shaft 26, the outer side of the second rotating shaft 26 is fixedly provided with a first bevel gear 27, the upper surface of the gas preheater body 3 is fixedly provided with a supporting plate 8, one end of the second rotating shaft 26 is rotatably connected with the supporting plate 8, one end of the second rotating shaft 26 can be supported, the stability of the second rotating shaft 26 during rotation is improved, the inner part of the gas preheater body 3 is rotatably connected with a reciprocating screw rod 4, the upper end of the reciprocating screw rod 4 is fixedly connected with a second bevel gear 28, the second bevel gear 28 is meshed with the first bevel gear 27, the scraper 2 is arranged inside the gas preheater body 3, the scraper 2 is in threaded connection with the reciprocating screw rod 4, the second motor 25 is arranged to control the second rotating shaft 26 and the first bevel gear 27 on the outer side to rotate, the reciprocating screw rod 4 is driven to rotate, so that the scraper 2 can reciprocate up and down on the inner wall of the gas preheater body 3, the inner wall of the gas preheater body 3 can be effectively cleaned, industrial waste gas impurities attached to the inner wall of the gas preheater body 3, the scraping device is improved, and labor intensity is reduced.

In summary, when the gas preheater with high heat transfer fluid is used, firstly, gas enters the inside of the filter box 11 through the gas inlet 12, is filtered by the filter screen 16, impurities in the gas are trapped, the first motor 10 is arranged to control the first rotating shaft 21 and the rotating disc 22 at one end to rotate, the connecting rod 23 is used to control the filter screen 16 to vibrate left and right in a reciprocating manner, meanwhile, under the action of the transmission rod 20, the second sliding block 18 slides in the second sliding groove 17, the dredging brush 19 is used to dredge the filter hole of the filter screen 16, then, the gas is discharged into the heat exchange tube 5, external high-temperature industrial waste gas can enter the inside of the gas preheater body 3 through the gas outlet tube 7, the fins 6 are heated, the heat exchange between the fins 6 and the heat exchange tube 5 is carried out, the gas is heated, and the second rotating shaft 26 and the first bevel gear 27 on the outer side are controlled to rotate by starting the second motor 25, the reciprocating screw rod 4 is driven to rotate, so that the scraper 2 reciprocates up and down on the inner wall of the gas preheater body 3, and the scraper is effectively cleaned.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A gas preheater with high heat transfer fluid, comprising a base (1), characterized in that: the gas preheater comprises a base (1), and is characterized in that a filter box (11) and a gas preheater body (3) are fixedly mounted on the upper surface of the base (1), a heat exchange tube (5) is fixedly connected to the inside of the gas preheater body (3), the heat exchange tube (5) penetrates through the gas preheater body (3) and is communicated with the filter box (11), an air inlet (12) is formed in one side of the filter box (11), a fixed plate (15) is arranged inside the filter box (11), a filter screen (16) is fixedly mounted inside the fixed plate (15), a first sliding block (14) is fixedly mounted on the outer side of the fixed plate (15), a first sliding groove (13) is formed in the inside of the filter box (11), the first sliding block (14) is slidably connected with the first sliding groove (13), a first motor (10) is fixedly mounted on the top of the filter box (11), a first rotating shaft (21) is fixedly connected to the output end of the first motor (10), a rotating table (22) is fixedly connected with one end of the rotating table (22), an eccentric pin shaft (24) is fixedly connected with one end of the filter screen (16).

2. A gas preheater with a high heat transfer fluid as recited in claim 1 wherein: second spout (17) have been seted up to one side of fixed plate (15), the inside sliding connection of second spout (17) has second slider (18), one side fixed mounting of second slider (18) has mediation brush (19), the inside rotation of rose box (11) is connected with transfer line (20), the one end and the second slider (18) of transfer line (20) rotate and are connected.

3. A gas preheater with a high heat transfer fluid as recited in claim 1 wherein: fins (6) are arranged on the outer side of the heat exchange tube (5), an air outlet tube (7) is fixedly connected to one side of the gas preheater body (3), and an air inlet tube (9) is fixedly connected to the other side of the gas preheater body (3).

4. A gas preheater with a high heat transfer fluid as recited in claim 1 wherein: the coal gas preheater is characterized in that a second motor (25) is fixedly mounted on the upper surface of the coal gas preheater body (3), a second rotating shaft (26) is fixedly connected to the output end of the second motor (25), and a first bevel gear (27) is fixedly mounted on the outer side of the second rotating shaft (26).

5. A gas preheater with a high heat transfer fluid as recited in claim 4 wherein: the upper surface of the coal gas preheater body (3) is fixedly provided with a supporting plate (8), and one end of the second rotating shaft (26) is rotatably connected with the supporting plate (8).

6. A gas preheater with a high heat transfer fluid as recited in claim 1 wherein: the coal gas preheater is characterized in that a reciprocating screw rod (4) is rotatably connected inside the coal gas preheater body (3), a second bevel gear (28) is fixedly connected to the upper end of the reciprocating screw rod (4), the second bevel gear (28) is meshed with the first bevel gear (27) and is connected with the first bevel gear, a scraper (2) is arranged inside the coal gas preheater body (3), and the scraper (2) is in threaded connection with the reciprocating screw rod (4).