Water jacket furnace flue cleaning device

Abstract

The utility model discloses a water jacket furnace flue cleaning device which comprises a gas-liquid conveying body which has a certain length and can convey gas or liquid into a flue, the gas can purge the interior of the flue, the liquid can wash the flue, one end of the gas-liquid conveying body in the length direction is an extending end, a disc scraper is supported and fixed at the extending end, and the disc scraper is arranged on the gas-liquid conveying body. The disc scraper blade has a cleaning state and an uncleaning state, the disc scraper blade deforms to be attached to the inner circumferential wall of the water jacket furnace flue in the cleaning state, and the size of the disc scraper blade in the diameter direction is smaller than the inner diameter of the water jacket furnace flue in the uncleaning state. The first driving structure is used for driving the disc scraping plate to be converted from the cleaning state to the non-cleaning state; and the second driving structure is used for driving the disc scraping plate to be converted from the non-cleaning state to the cleaning state. According to the water jacket furnace flue cleaning device, the water jacket furnace flue can be cleaned more efficiently and conveniently.

Description

TECHNICAL FIELD

[0001] The utility model relates to oil and gas production operation area water jacket furnace flue cleaning technical field, concretely relates to a water jacket furnace flue cleaning device. BACKGROUND

[0002] Water jacket furnace is the heating device of natural gas pipeline oil and gas, is particularly widely used in the use of oil and gas field single well outlet pipeline, gas gathering and treatment station treatment device import. After a use cycle, the flue of water jacket furnace is carbon deposition, dust, and the flue is blocked to reduce the natural gas combustion efficiency, so the flue of water jacket furnace must be cleaned. At present, the flue cleaning method of the management area usually uses nitrogen or compressed gas to blow the flue of water jacket furnace first, then uses high-pressure water gun to flush the carbon deposition adhered to the pipe wall. But in the process of cleaning the flue of water jacket furnace, the carbon deposition and dust adhered to the flue pipe wall are difficult to completely remove, and the water remaining in the flue is easy to cause the oxidation corrosion of the refractory material on the surface of the pipe, which affects the service life of the water jacket furnace.

[0003] The Chinese patent "variable portable water jacket furnace flue cleaning device" with the patent number CN201020507797.1 provides a cleaning device with a circular scraper and a circular steel wire brush, which scrapes the carbon deposition adhered to the flue by reciprocating motion in the flue, and blows the dust in the flue bend by nitrogen.

[0004] The Chinese patent "water jacket furnace flue carbon deposition cleaning device" with the patent number CN201420651680.9 provides a flue carbon deposition cleaning device with positioning and contraction functions, which uses a scraper to separate the carbon deposition in the pipe from the pipe wall, and also adds an elastic rod for removing the dust in the bend part.

[0005] The previous water jacket furnace flue cleaning device has the problems of single function, separation of dust cleaning and blowing equipment, increased operation time, and low efficiency. When using high-pressure water for cleaning, there is a potential risk of oxidation corrosion of the flue refractory material and the pipe by the residual water vapor. Therefore, it is necessary to invent a more efficient and convenient water jacket furnace flue cleaning device. SUMMARY

[0006] The technical problem to be solved by the utility model is to provide a water jacket furnace flue cleaning device, which is more efficient and convenient for cleaning the flue of water jacket furnace. The specific technical scheme is as follows:

[0007] A flue cleaning device for a water jacket furnace, comprising a gas-liquid delivery body having a length and capable of extending into the interior of the flue of the water jacket furnace and capable of delivering gas or liquid into the flue, the length being arranged such that the gas-liquid delivery body can extend into the entire interior of the flue of the water jacket furnace, the gas being capable of purging the interior of the flue and the liquid being capable of washing the flue, the gas-liquid delivery body having an end along the length direction thereof as an extending end, the extending end supporting and fixing a disc scraper, the disc scraper having a cleaning state and a non-cleaning state, in the cleaning state the disc scraper being deformed to fit the inner circumferential wall of the flue of the water jacket furnace, in the non-cleaning state the disc scraper having a dimension in the diameter direction thereof smaller than the inner diameter of the flue of the water jacket furnace, further comprising a first driving structure for driving the disc scraper to change from the cleaning state to the non-cleaning state and a second driving structure for driving the disc scraper to change from the non-cleaning state to the cleaning state.

[0008] Preferably, the disc scraper comprises a circular rubber plate, the disc scraper being in the cleaning state when the circular rubber plate is in a non-deformed state;

[0009] The first driving structure comprises a plurality of steel wires and a sliding member, the sliding member being slidingly arranged on the gas-liquid delivery body and capable of sliding along the length direction of the gas-liquid delivery body, one end of each of the steel wires being fixed to the circular rubber plate and the one end of each of the steel wires being arranged in a circumferential direction of the circular rubber plate, the other end of each of the steel wires being fixed to the sliding member, driving the sliding member to slide in a direction away from the circular rubber plate so as to deform the circular rubber plate by the steel wires, thereby causing the disc scraper to change from the cleaning state to the non-cleaning state;

[0010] The second driving structure comprises the circular rubber plate, the circular rubber plate being capable of restoring to the non-deformed state by its own elasticity when the sliding member is loosened, thereby causing the disc scraper to change from the non-cleaning state to the cleaning state;

[0011] The length of each of the steel wires is arranged such that, when the disc scraper is in the non-cleaning state and the circular rubber plate extends to the innermost end of the flue of the water jacket furnace, the sliding member is located at a position close to the inlet of the flue of the water jacket furnace.

[0012] Preferably, a clamping member is arranged on the gas-liquid delivery body, the clamping member being arranged between the sliding member and the circular rubber plate and capable of abutting against the sliding member when the disc scraper is in the cleaning state.

[0013] As preferred, the circular rubber plate has opposite first and second sides, the first side is attached to a first circular metal plate, the second side is attached to a second circular metal plate corresponding to the first circular metal plate, the centers of the first circular metal plate, the circular rubber plate and the second circular metal plate coincide, the diameter of the first circular metal plate is smaller than that of the circular rubber plate, and at least one connecting member is arranged to sequentially pass through the first circular metal plate, the circular rubber plate and the second circular metal plate to fixedly connect the three, and the end of the gas-liquid conveying body is fixedly connected to the first circular metal plate.

[0014] As preferred, the number of the steel wires is four, and the four steel wires are fixed to one end of the circular rubber plate and are uniformly and spacedly arranged along the circumferential direction of the circular rubber plate.

[0015] As preferred, the gas-liquid conveying body is a pipe body, one end of the pipe body is a closed section forming the extending end of the gas-liquid conveying body, the other section of the pipe body is provided with an opening for connecting a gas source or a liquid source to receive the conveyed gas or liquid, and a section of the pipe body close to the closed end is formed as a conveying section, a plurality of through holes are formed on the conveying section, and the sliding member is a sleeve arranged on the outer circumferential side of the pipe body.

[0016] As preferred, the conveying section is the section of the pipe body between the sleeve and the circular rubber plate when the circular rubber plate is in the undeformed state.

[0017] The water jacket furnace flue cleaning device provided has the following technical effects:

[0018] During the cleaning operation of the water jacket flue, firstly, a proper circular rubber plate is selected according to the diameter of the flue, and is fixed on the cleaning device, then the steel wire rope is pulled to make the diameter of the circular rubber plate smaller than the diameter of the flue, and then the cleaning device is inserted into the flue, and after reaching the predetermined position, the steel wire rope is released, and the circular rubber plate will be closely attached to the flue wall under the elastic force of itself. After the cleaning device is fixed in place, firstly, the gas is introduced into the opening of the pipe body through the quick connector to blow the inside of the flue, and after blowing for a certain period of time, the cleaning device is pulled out, and the circular rubber plate attached to the flue wall will take away the accumulated carbon and dust which cannot be blown away by the gas, and the above process is repeated for several times until the gas cannot take away the larger solid particles. After the cleaning device is fixed again, at this time, the cleaning state is in the cleaning state, the high-pressure water is replaced through the quick connector at the opening of the pipe body, and the flue is washed with water, at this time, the circular rubber plate is deformed to attach to the inner circumferential wall of the water jacket flue, which can prevent the high-pressure water from entering the inside of the water jacket through the flue, and after a certain period of time, the cleaning device is pulled out, and the circular rubber plate attached to the flue wall will take away the mixture of water and dust remaining in the flue, and the above process is repeated for several times, and the water washing is finished. After the water washing is finished, the gas is connected again, and the above cleaning process is repeated, and the circular rubber plate takes away the water remaining in the flue, and the blowing of the gas can accelerate the volatilization of the water vapor, so that the flue can be dried as soon as possible.

[0019] After the water vapor cleaning is combined for use, the accumulated dust in the flue can be cleaned more thoroughly, and the circular rubber plate can strip off the accumulated carbon and dust adhered to the flue wall, and prevent sewage from invading the inside to cause oxidation and corrosion. The water jacket flue cleaning device has simple structure, easy operation, convenient and fast use, and can efficiently clean the accumulated carbon and dust in the water jacket flue.

[0020] As preferred, the cleaning state and the non-cleaning state are quickly converted by the reciprocating movement of the sliding member and the elasticity of the circular rubber plate itself. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 is a specific embodiment structure diagram of the water jacket flue cleaning device provided by the utility model;

[0022] Figure 2 is Figure 1 is a structure diagram from another perspective.

[0023] Figures 1-2 The reference signs in the drawings are as follows:

[0024] 1 circular rubber plate, 2 steel wire rope, 3 clamping piece, 4 first circular metal plate, 5 second circular metal plate, 6 pipe body, 7 conveying section, 8 through hole, 9 sleeve. DETAILED DESCRIPTION

[0025] The utility model will be described in further detail below.

[0026] The utility model will be described in further detail below.

[0027] For the sake of brevity, the full description of actual embodiments will not be described. In the following description, well-known functions or constructions are not described in detail because they can obscure the utility model due to unnecessary details. It should be considered that in the development of any actual embodiment, a large number of implementation details must be made to achieve the specific goals of the developer.

[0028] To make the purpose, feature of the utility model more obvious and easy to understand, the specific embodiment of the utility model will be further explained below in combination with the drawings. It should be pointed out that the drawings are all very simplified and all use non-precise ratio, only for the purpose of conveniently and clearly assisting the description of the embodiment of the utility model.

[0029] In combination Figure 1 The utility model provides a water jacket furnace flue cleaning device, it includes with length and can stretch into the inside of water jacket furnace flue and can transport gas or liquid to the inside of flue gas liquid delivery body, the length is set so that the gas liquid delivery body can stretch into the inside of whole water jacket furnace flue, the gas can be purged to the inside of flue, the liquid can wash the flue, the gas liquid delivery body is along its length direction one end and stretches into the end, the stretch into the end supports and fixes a disc scraper, the disc scraper has cleaning state and unclean state, when the disc scraper is deformed to fit the inner circumferential wall of water jacket furnace flue in the cleaning state, the disc scraper is in the unclean state, and the size in the diameter direction of the disc scraper is less than the inner diameter of water jacket furnace flue, and it further includes the first drive structure of driving the disc scraper and the second drive structure of driving the disc scraper by unclean state and cleaning state.

[0030] In a specific embodiment, the disc scraper includes a circular rubber plate 1, and the circular scraper is in a cleaning state when the circular rubber plate 1 is in an undeformed state.

[0031] The first driving structure comprises a plurality of steel wires 2 and a sliding member, the sliding member is slidingly arranged on the gas-liquid conveying body and can slide along the length direction of the gas-liquid conveying body, one end of each of the steel wires 2 is fixed to the circular rubber plate 1 and the one end of each of the steel wires 2 is arranged at intervals along the circumferential direction of the circular rubber plate 1, the other end of each of the steel wires 2 is fixed to the sliding member, and driving the sliding member to slide away from the circular rubber plate 1 makes the circular rubber plate 1 deform by the steel wires 2, so that the disc scraper changes from the cleaning state to the non-cleaning state.

[0032] The second driving structure comprises the circular rubber plate 1, and when the sliding member is loosened, the circular rubber plate 1 restores to the non-deformed state by the self-elasticity of the circular rubber plate 1, so that the disc scraper changes from the non-cleaning state to the cleaning state.

[0033] The length of each of the steel wires 2 is set as follows: when the circular rubber plate 1 is in the non-cleaning state and extends to the innermost end of the water jacket furnace flue, the sliding member is at the position close to the entrance of the water jacket furnace flue.

[0034] The specific embodiments of the disc scraper, the first driving structure and the second driving structure are not limited to this, for example, the disc scraper can be a tire connected to the outer periphery of a circular plate, the first driving structure can be a pressure relief pipe communicating with the inside of the tire and a pressure relief valve arranged on the pressure relief pipe, the tire can be depressurized to make its diameter smaller, and the second driving structure can be a gas supply pipe communicating with the inside of the tire and a switch valve arranged on the gas supply pipe, the tire can be inflated to make its diameter larger.

[0035] The gas-liquid conveying body is provided with a clamping member 3, the clamping member 3 is arranged between the sliding member and the circular rubber plate 1, and the clamping member 3 can abut against the sliding member when the disc scraper is in the cleaning state. The clamping member 3 can be a protrusion arranged on the outer surface of the gas-liquid conveying body.

[0036] As shown in Figures 1-2 In a specific embodiment, the circular rubber plate 1 has opposite first and second sides, the first side is attached to a first circular metal plate 4, the second side is attached to a second circular metal plate 5 corresponding to the first circular metal plate 4, the centers of the first circular metal plate 4, the circular rubber plate 1 and the second circular metal plate 5 coincide, the diameter of the first circular metal plate 4 is smaller than the diameter of the circular rubber plate 1, and at least one connecting member passes through the first circular metal plate 4, the circular rubber plate 1 and the second circular metal plate 5 in sequence to fixedly connect the three, and the end of the gas-liquid conveying body is fixedly connected to the first circular metal plate 4. At this time, the diameters of the first circular metal plate 4 and the second circular metal plate 5 are the same, and the positions are corresponding coinciding positions.

[0037] In one embodiment, the number of steel wires 2 is four, which are evenly spaced along the circumferential direction of the circular rubber plate 1.

[0038] As shown in Figures 1-2 In one embodiment, the gas-liquid delivery body is a pipe body 6, one end of which is a closed section forming the insertion end of the gas-liquid delivery body, and the other end is an open section for connecting to a gas or liquid source to receive the delivered gas or liquid. A section of the pipe body 6 adjacent to the closed end is formed into a delivery section 7, which is provided with a plurality of through holes 8. The sliding member is a sleeve 9 arranged on the outer circumferential side of the pipe body 6.

[0039] In one embodiment, the delivery section 7 is the section of the pipe body between the sleeve 9 and the circular rubber plate 1 when the circular rubber plate 1 is in the undeformed state.

[0040] During the cleaning operation of the water jacket flue, first, select the appropriate circular rubber plate 1 according to the diameter of the flue, install and fix it on the cleaning device, then tighten the steel wire 2 to make the diameter of the circular rubber plate 1 smaller than that of the flue, then extend the cleaning device into the flue, and after reaching the predetermined position, release the steel wire 2, and the circular rubber plate 1 will tightly adhere to the flue wall under the elastic force of itself. After fixing the cleaning device in place, first, introduce gas into the opening of the pipe body 6 through a quick connector to blow the inside of the flue, and after a certain period of time, pull out the cleaning device. The circular rubber plate 1 adhering to the flue wall will carry out the carbon and dust that cannot be blown away by the gas, and the above process is repeated several times until the gas cannot carry away larger solid particles. After fixing the cleaning device again, at this time, the cleaning state is in the cleaning state, and high-pressure water is introduced into the opening of the pipe body 6 through a quick connector to flush the flue. At this time, the circular rubber plate 1 is deformed to adhere to the inner circumferential wall of the water jacket flue, which prevents high-pressure water from entering the water jacket. After a certain period of time, pull out the cleaning device. The circular rubber plate 1 adhering to the flue wall will carry out the mixture of water and dust remaining in the flue, and the above process is repeated several times until the water flushing is completed. After the water flushing is completed, the gas is introduced again, and the above cleaning process is repeated. The circular rubber plate 1 carries out the water remaining in the flue, and the blowing of the gas will accelerate the evaporation of the water vapor, so that the flue can quickly recover to dryness.

[0041] The basic principle, main features and advantages of the present application are shown and described above, therefore the above-mentioned is only the embodiment of the present application. The skilled in the art should understand that the present application is not limited by the above-mentioned embodiment, the above-mentioned embodiment and the description in the specification is only the principle of the present application, without departing from the spirit and scope of the present application, the present application also includes various equivalent changes and improvements, these changes and improvements will fall into the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A flue cleaning device for a water jacketed furnace, characterised in that, The gas-liquid conveying body has a length and is capable of extending into the interior of the flue of the water jacket furnace and conveying gas or liquid into the flue, the length is arranged such that the gas-liquid conveying body is capable of extending into the entire interior of the flue of the water jacket furnace, the gas is capable of purging the interior of the flue and the liquid is capable of flushing the flue, one end of the gas-liquid conveying body along the length direction is an extending end, the extending end supports and fixes a disc scraper, the disc scraper has a cleaning state and a non-cleaning state, in the cleaning state, the disc scraper is deformed to fit the inner circumferential wall of the flue of the water jacket furnace, in the non-cleaning state, the disc scraper has a size in the diameter direction which is smaller than the inner diameter of the flue of the water jacket furnace, the first driving structure drives the disc scraper to change from the cleaning state to the non-cleaning state, and the second driving structure drives the disc scraper to change from the non-cleaning state to the cleaning state.

2. The water jacketed furnace flue cleaning device of claim 1, wherein, The disc scraper comprises a circular rubber plate, and the disc scraper is in the cleaning state when the circular rubber plate is in a non-deformed state. The first driving structure comprises a plurality of steel wires and a sliding member, the sliding member is slidingly arranged on the gas-liquid conveying body and is capable of sliding along the length direction of the gas-liquid conveying body, one end of each of the steel wires is fixed to the circular rubber plate and the one end of each of the steel wires is arranged in a circumferential direction of the circular rubber plate, the other end of each of the steel wires is fixed to the sliding member, and driving the sliding member to slide in a direction away from the circular rubber plate causes the circular rubber plate to deform through the steel wires, so that the disc scraper changes from the cleaning state to the non-cleaning state. The second driving structure comprises the circular rubber plate, and when the sliding member is loosened, the circular rubber plate restores to the non-deformed state by relying on the elasticity of the circular rubber plate, so that the disc scraper changes from the non-cleaning state to the cleaning state. The length of the steel wires is arranged such that when the disc scraper is in the non-cleaning state and the circular rubber plate extends to the innermost end of the flue of the water jacket furnace, the sliding member is located at a position close to the inlet of the flue of the water jacket furnace.

3. The water jacketed furnace flue cleaning device of claim 2, wherein, The gas-liquid conveying body is provided with a clamping member arranged between the sliding member and the circular rubber plate, and the clamping member is capable of abutting against the sliding member in the cleaning state.

4. The water jacketed furnace flue cleaning device of claim 3, wherein, The circular rubber plate has opposite first and second side surfaces, the first side surface fits a first circular metal plate, the second side surface fits a second circular metal plate corresponding to the first circular metal plate, the centers of the first circular metal plate, the circular rubber plate and the second circular metal plate coincide, the diameter of the first circular metal plate is smaller than the diameter of the circular rubber plate, and the gas-liquid conveying body is fixedly connected to the first circular metal plate at the end thereof.

5. The water jacketed furnace flue cleaning device of claim 3, wherein, The number of the steel wires is four, and the one end of the four steel wires fixed to the circular rubber plate is arranged in a uniform interval in the circumferential direction of the circular rubber plate.

6. The water jacketed furnace flue cleaning device of claim 5, wherein, The gas-liquid delivery body is a pipe body, one end of the pipe body is a closed section forming the extending end of the gas-liquid delivery body, the other section of the pipe body is an open section for connecting a gas source or a liquid source to receive the delivered gas or liquid, and a section of the pipe body near the closed end forms a delivery section, a plurality of through holes are formed on the delivery section, and the sliding member is a sleeve arranged on the outer circumferential side of the pipe body.

7. The water jacketed furnace flue cleaning device of claim 6, wherein, The delivery section is the section of the pipe body between the sleeve and the circular rubber plate when the circular rubber plate is in the undeformed state.

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