CN112029545A - Elastic support load control device and control method for water-gas separator - Google Patents
Elastic support load control device and control method for water-gas separator Download PDFInfo
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- CN112029545A CN112029545A CN202010983079.XA CN202010983079A CN112029545A CN 112029545 A CN112029545 A CN 112029545A CN 202010983079 A CN202010983079 A CN 202010983079A CN 112029545 A CN112029545 A CN 112029545A
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/72—Other features
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/72—Other features
- C10J3/82—Gas withdrawal means
- C10J3/84—Gas withdrawal means with means for removing dust or tar from the gas
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D1/00—Pipe-line systems
- F17D1/02—Pipe-line systems for gases or vapours
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D1/00—Pipe-line systems
- F17D1/08—Pipe-line systems for liquids or viscous products
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D3/00—Arrangements for supervising or controlling working operations
- F17D3/01—Arrangements for supervising or controlling working operations for controlling, signalling, or supervising the conveyance of a product
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
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- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Separating Particles In Gases By Inertia (AREA)
Abstract
The invention discloses an elastic support load control device and method of a water-gas separator, and the elastic support load control device of the water-gas separator comprises a gasification furnace and the water-gas separator, wherein a direct connection pipeline is arranged between the gasification furnace and the water-gas separator, the gasification furnace is communicated with the water-gas separator through the direct connection pipeline, a liquid level indicating alarm is arranged on one side of the water-gas separator, a liquid level regulating valve is arranged at the output end of the liquid level indicating alarm, and a remote control regulating valve is arranged on a bypass of the liquid level regulating valve. The invention has the advantages that the whole device has simple structure by arranging the direct-connected pipeline, the gasification furnace and the water-gas separator are communicated by the direct-connected pipeline, the implementation is easy, the space arrangement is simplified, the abrasion problem of the elbow in a natural compensation mode is effectively avoided, and the device is economic and safe.
Description
Technical Field
The invention belongs to the technical field of pipeline arrangement and stress analysis, and particularly relates to an elastic support load control device and method for a water-gas separator.
Background
In the field of coal chemical industry, water gas generated by a gasification furnace of a coal gasification device is subjected to gravitational separation by a separator and is washed by a gas washing tower to reduce temperature and remove dust, and then the water gas is used as feed gas for manufacturing various coal chemical products. However, the water gas which is not separated by gravity has large water content, is a gas phase, a liquid phase and a solid phase, has strong abrasiveness and corrosivity, and if a natural compensation mode is adopted for a connecting pipeline of the gasification furnace and the water-gas separator, the problems exist: (1) the pipeline is limited in arrangement space and difficult to implement due to the influence of the characteristics of large pipe diameter, high temperature and pressure and the like; (2) the flexible elbow is affected by the characteristics of the medium, the local abrasion is serious, and potential safety hazards exist. Therefore, the two devices are directly connected by adopting pipelines with the same elevation, and the elastic support is arranged on the water-gas separator device body to release the deformation displacement caused by the uncoordinated deformation of the two pipe orifices, so that the device is the preferred scheme for solving the problems.
However, the water-gas separator has large weight change range of the internal material in the operation process, so that the water-gas separator cannot be stably and elastically supported, and the load of a pipe orifice of a directly connected pipeline cannot be in a safe and reasonable range, thereby solving the technical problem of safe operation of the coal gasification device.
Therefore, it is necessary to provide an elastic support load control device and method for a water-gas separator to solve the above problems.
Disclosure of Invention
In view of the above problems, the present invention provides an elastic support load control device and method for a water-gas separator, so as to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: an elastic support load control device of a water-gas separator comprises a gasification furnace and the water-gas separator, wherein a direct-connected pipeline is arranged between the gasification furnace and the water-gas separator, and the gasification furnace is communicated with the water-gas separator through the direct-connected pipeline;
a liquid level indicating alarm is arranged on one side of the water-gas separator, a liquid level regulating valve is arranged at the output end of the liquid level indicating alarm, and a remote control regulating valve is arranged on a bypass of the liquid level regulating valve;
elastic supports are uniformly distributed in the circumferential direction of the water-gas separator and supported by the bottoms of the support lugs fixedly connected with the water-gas separator;
the bottom end of the water-gas separator is provided with a liquid level switch valve which is interlocked with the liquid level indicating alarm;
the top of the support lug is provided with a black water overflow switch valve, and the liquid level indication alarm, the liquid level regulating valve, the remote control regulating valve, the liquid level switch valve and the black water overflow switch valve are all communicated with the water-gas separator;
four groups of positioning devices are arranged in the elastic support, and each group of positioning devices comprises a first limiting nut, a second limiting nut, a third limiting nut, a fourth limiting nut, a limiting stud and a vertical displacement travel indicating plate;
the first limiting nut, the second limiting nut, the third limiting nut and the fourth limiting nut are all in threaded connection with the limiting stud, and the vertical displacement travel indicating plate is located between the third limiting nut and the fourth limiting nut.
Furthermore, the elastic support comprises a spring device shell, four loading columns are arranged inside the spring device shell, and the four loading columns are in threaded connection with the vertical displacement travel indicating plate;
the top end of the load column penetrates through the top of the inner wall of the shell of the spring device, four cylindrical helical springs are arranged at the bottom of the vertical displacement travel indicating plate, the tops of the cylindrical helical springs are connected with the bottom of the vertical displacement travel indicating plate, and the cylindrical helical springs correspond to the load column one to one.
Furthermore, the elastic support further comprises an elastic device bottom plate, four spring guide columns are further arranged inside the spring device shell, the cylindrical spiral spring is sleeved on the surfaces of the spring guide columns, the top ends of the spring guide columns are parallel to the top surface of the second limiting nut, and the bottom ends of the spring guide columns are fixedly connected with the elastic device bottom plate.
Furthermore, the top ends of the load columns are provided with load plates, and the top ends of the four load columns are movably connected with the bottoms of the load plates in a sleeved mode and can rotate;
the surface of the load column is provided with a load column adjusting hole, and the load column adjusting hole is used for adjusting the installation height of the elastic support.
Furthermore, the first limit nut is arranged at the top of the spring device shell, the second limit nut is arranged inside the spring device shell, and the limit stud penetrates through the top of the spring device shell.
Furthermore, the elastic support is connected with the bottom of the support lug through the load plate, and the load plate is connected with the support lug in a sliding manner.
An elastic support load control method of a water-gas separator comprises the following steps:
introducing water gas in the gasification furnace into a water-gas separator through a direct connection pipeline, and performing gravity separation on the introduced water gas by the water-gas separator;
the liquid level inside the water-gas separator is controlled through a liquid level regulating valve, the liquid level height is controlled in an auxiliary mode through a remote control regulating valve arranged on a bypass of the liquid level regulating valve, and the weight of the water-gas separator is controlled;
if the pipeline at the bottom of the water-gas separator is blocked and the liquid level inside the water-gas separator is higher than a certain value, the liquid level switch valve and the black water overflow switch valve are opened through interlocking control to control the liquid level;
the water-gas separator is supported by the elastic support, and when the weight of the water-gas separator is smaller than the load of the elastic support, the water-gas separator is limited to ascend by the positioning device.
Further, after the water gas separator performs gravity separation on the introduced water gas, the water gas is divided into a gas-phase water gas, a liquid-phase water gas and a solid-phase water gas.
The invention has the technical effects and advantages that:
1. the direct-connected pipeline is arranged, so that the whole device is simple in structure, the gasification furnace and the water-gas separator are communicated through the direct-connected pipeline, the implementation is easy, the spatial arrangement is simplified, the abrasion problem of the elbow in a natural compensation mode is effectively avoided, and the device is economical and safe;
2. according to the invention, the water-gas separator is arranged, a liquid level control method is fully combined with stress analysis of a directly-connected pipeline, and the liquid level height is effectively controlled by interlocking the liquid level indicating alarm with the liquid level switch valve and the black water overflow switch valve, so that the operating weight change range of the water-gas separator is controlled, the water-gas separator can realize elastic support, and the device can safely and stably operate;
3. the elastic support is arranged, so that when the whole device stops running and the water-gas separator is empty and heavy, excessive elastic support load is prevented from being continuously applied to the equipment pipe orifice;
4. according to the invention, the load of the elastic support is set, and the sum of the net weight of the water-gas separator and 2/3 of the maximum allowable material weight is used as the operation load, so that the stress and the moment peak value of the gasifier nozzle are as small as possible on the premise that the elastic support is more favorable for meeting the long-period operation condition, and the uneconomic performance caused by over-design of the nozzle bearing is avoided.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
FIG. 1 is a schematic flow chart illustrating a process of controlling an elastic supporting load of a water-gas separator according to an embodiment of the invention;
FIG. 2 shows an enlarged view of the portion A of FIG. 1 according to an embodiment of the present invention;
FIG. 3 shows an enlarged view of the portion B of FIG. 1 according to an embodiment of the present invention;
FIG. 4 is a schematic cross-sectional view of an elastic support according to an embodiment of the present invention;
fig. 5 is a schematic top view of an elastic support according to an embodiment of the present invention.
In the figure: 1. a gasification furnace; 2. a water-gas separator; 3. directly connecting a pipeline; 4. a liquid level indicating alarm; 5. a liquid level regulating valve; 6. a remote control regulating valve; 7. an elastic support; 8. supporting a lug; 9. a liquid level switch valve; 10. a black water overflow switch valve; 11. a positioning device; 111. a first limit nut; 112. a second limit nut; 113. a third limit nut; 114. a fourth limit nut; 115. a limiting stud; 116. a vertical displacement travel indicator board; 12. a spring device housing; 13. a load column; 14. a cylindrical coil spring; 15. a resilient device bottom plate; 16. a spring guide post; 17. a load column; 18. a load column adjustment hole; 19. anchor bolt holes.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides an elastic support load control device of a water-gas separator as shown in figure 1, which comprises a gasification furnace 1 and a water-gas separator 2, wherein a direct-connected pipeline 3 is arranged between the gasification furnace 1 and the water-gas-separator 2, and the gasification furnace 1 is communicated with the water-gas-separator 2 through the direct-connected pipeline 3.
Directly link 3 levels of pipeline and set up, directly link 3 one end of pipeline and the water gas export intercommunication of gasifier 1, the water gas export of gasifier 1 is located the chilling chamber lower part, the journal stirrup of gasifier 1 is near upper portion combustion chamber, the water gas exit, mouth of pipe thermal displacement is downward, because of the export of gasifier 1 and the 3 welded connection of the pipeline that directly links of water gas separator 2, when whole device drops into the use, water gas separator 2 need adopt elastic support, through gasifier 1 and water gas separator 2 within a definite time pipe diameter big, the pipeline 3 that directly links that rigidity conditions such as pipe wall thickness and weak point are good, gasifier 1 moves down together in coordination.
In the embodiment of the invention, the whole device has a simple structure, the gasification furnace 1 is communicated with the water-gas separator 2 through the direct-connected pipeline 3, the implementation is easy, the spatial arrangement is simplified, the abrasion problem of an elbow in a natural compensation mode is effectively avoided, and the device is economic and safe.
As shown in fig. 2 and 3, a liquid level indicating alarm 4 is arranged on one side of the water-gas separator 2, a liquid level regulating valve 5 is arranged at the output end of the liquid level indicating alarm 4, and a remote control regulating valve 6 is arranged on a bypass of the liquid level regulating valve 5. The liquid level inside the water-gas separator 2 is detected through the liquid level indicating alarm 4, when the liquid level inside the water-gas separator 2 exceeds the preset height of the liquid level indicating alarm 4, the liquid level inside the water-gas separator 2 is controlled through the liquid level regulating valve 5, and the liquid level inside the water-gas separator 2 is controlled through the remote control regulating valve 6 to assist the liquid level regulating valve 5.
The bottom of the water-gas separator 2 is provided with a liquid level switch valve 9, the liquid level switch valve 9 is interlocked with the liquid level indicating alarm 4, the top of the support lug 8 is provided with a black water overflow switch valve 10, and the liquid level indicating alarm 4, the liquid level regulating valve 5, the remote control regulating valve 6, the liquid level switch valve 9 and the black water overflow switch valve 10 are communicated with the water-gas separator 2. If the pipeline at the bottom of the water-gas separator 2 is blocked and the flow is not smooth, when the liquid level inside the water-gas separator 2 is higher than a certain value, the liquid level switch valve 9 and the black water overflow switch valve 10 are rapidly opened through interlocking control, and the liquid level is reduced to be within a reasonable range. On the premise of meeting the process operation requirements, the change range of the operation weight of the materials in the water-gas separator 2 is controlled, so that the bearing sizes of the pipe orifices of the gasification furnace 1 and the water-gas separator 2 and the directly-connected pipeline 3 are reasonable in economy and safety.
As shown in fig. 4, elastic supports 7 are uniformly distributed on the water-gas separator 2 in the circumferential direction, and the elastic supports 7 are supported by the bottoms of support lugs 8 fixedly connected with the water-gas separator 2. The elastic support 7 is supported by the bottom of a support lug 8 fixedly connected with the water-gas separator 2, and the load of the elastic support 7 is influenced by the weight of materials in the water-gas separator 2.
Further, the elastic support 7 comprises a spring device shell 12, four load columns 13 are arranged inside the spring device shell 12, the four load columns 13 are connected with the vertical displacement travel indicating plate 116 in a threaded mode, a load plate 17 is arranged at the top end of each load column 13, the top ends of the four load columns 13 are movably connected with the bottom of each load plate 17 and can rotate, the four load columns 13 are all vertically arranged, the elastic support 7 bears all the weight of the water-gas separator 2 through the load plates 17 at the tops of the four load columns 13, and the situation of weight dispersion cannot occur.
The surface of the load column 13 is provided with a load column adjusting hole 18, and the load column adjusting hole 18 is used for adjusting the installation height of the elastic support 7. The elastic support 7 is arranged at the bottom of the support lug 8, a certain installation error exists between the elastic support 7 and the water-gas separator 2 in the civil engineering installation process, and the installation height of the elastic support 7 is adjusted through the load column adjusting hole 18, so that the elastic support 7 is suitable for the water-gas separator 2, and the error of elastic support of the water-gas separator 2 is reduced.
The top end of the load column 13 penetrates through the top of the inner wall of the spring device shell 12, four cylindrical helical springs 14 are arranged at the bottom of the vertical displacement travel indicating plate 116, the top of each cylindrical helical spring 14 is connected with the bottom of the vertical displacement travel indicating plate 116, and the cylindrical helical springs 14 correspond to the load columns 13 one to one. When the load plate 17 moves downwards, the load column 13 connected with the load plate in a loop drives the vertical displacement travel indicating plate 116 to extrude the four cylindrical spiral springs 14, and the four cylindrical spiral springs 14 contract and absorb the pressure transmitted to the vertical displacement travel indicating plate 116 by the load column 13, namely the weight of the water-gas separator 2.
The height of the load column 13 is adjusted through the load column adjusting hole 18, and the height of the load column 13 is micro-adjusted according to the height of the water-gas separator 2, so that the installation error of the load column 13 is reduced. The top of the load column 13 is movably connected with the load plate 17 and can rotate, and the height of the load plate 17 can be conveniently adjusted through the load column 13.
Furthermore, the elastic support 7 further comprises an elastic device bottom plate 15, and the spring device shell 12 is fixedly connected with the elastic device bottom plate 15. Four spring guide posts 16 are further arranged inside the spring device shell 12, the cylindrical spiral spring 14 is sleeved outside the surface of the spring guide posts 16, the top ends of the spring guide posts 16 are parallel to the top surface of the second limiting nut 112, and the bottom ends of the spring guide posts 16 are fixedly connected with the elastic device bottom plate 15. The spring guide column 16 is used for limiting the load column 13 and the cylindrical spiral spring 14, when the support lug 8 and the load plate 17 slide relatively in the horizontal direction, the spring guide column 16 prevents the load column 13 and the cylindrical spiral spring 14 from inclining, and simultaneously effectively limits the cylindrical spiral spring 14 from being unstable, deflected and translated in the compression process, so that the situation that the load column 13 and the cylindrical spiral spring 14 cannot effectively support the water-coal-gas separator 2 in the vertical direction is avoided, the load column 13 and the cylindrical spiral spring 14 completely support the water-coal-gas separator 2, and the weight dispersion of the water-coal-gas separator 2 is avoided.
The elastic support 7 is internally provided with four groups of positioning devices 11, each group of positioning devices 11 comprises a first limit nut 111, a second limit nut 112, a third limit nut 113, a fourth limit nut 114, a limit stud 115 and a vertical displacement travel indicating plate 116, the first limit nut 111, the second limit nut 112, the third limit nut 113 and the fourth limit nut 114 are in threaded connection with the limit stud 115, and the vertical displacement travel indicating plate 116 is positioned between the third limit nut 113 and the fourth limit nut 114.
The spring device shell 12 plays a guiding role for the vertical displacement travel indicating plate 116, so that the spring guide column 16 inside the load column 13 in threaded connection with the vertical displacement travel indicating plate 116 is always kept in a vertical state, and the load column 13 and the cylindrical spiral spring 14 are effectively prevented from inclining. The first limit nut 111 is located at the top of the spring device shell 12, the second limit nut 112 is located inside the spring device shell 12, the limit stud 115 penetrates through the top of the spring device shell 12, and the first limit nut 111, the second limit nut 112, the third limit nut 113, the vertical displacement travel indicating plate 116 and the fourth limit nut 114 are sequentially connected with the limit stud 115 from top to bottom.
The second limiting nut 112, the third limiting nut 113 and the fourth limiting nut 114 are kept connected to the limiting stud 115 and are not loosened; the vertical displacement travel indicating plate 116 is locked and fixed between the third limiting nut 113 and the fourth limiting nut 114 through the limiting stud 115, the first limiting nut 111 is taken down before the whole device is put into use, when the device is in operation, the gasification furnace 1 drives the water-gas separator 2 to move downwards through the direct-connected pipeline 3, and meanwhile, the water-gas separator 2 can also move in the horizontal direction of the central line of the direct-connected pipeline 3.
When the load plate 17 drives the load column 13 to extrude the vertical displacement travel indicating plate 116, the vertical displacement travel indicating plate 116 drives the limit stud 115 to move downwards, at the moment, the length of the limit stud 115 at the top of the spring device shell 12 is greater than the downward displacement of the water gas pipe orifice of the gasification furnace 1, the downward displacement of the water gas pipe orifice of the gasification furnace 1 is also the contraction quantity of the vertical displacement travel indicating plate 116 to compress the cylindrical helical spring 14, the spring guide column 16 avoids the inclination of the cylindrical helical spring 14, and the water-gas separator 2 is completely elastically supported through the cylindrical helical spring 14. During the whole device stop operation period and when the water-gas separator 2 is empty, the positioning device 11 limits the load of the spring support 7 to apply excessive continuous load to the nozzle of the gasification furnace 1 upwards.
As shown in fig. 5, the corners around the bottom plate 15 of the elastic device are all provided with anchor bolt holes 19, and after the load plate 17 at the top of the elastic support 7 is placed corresponding to the support lugs 8, the load plate is fixed with the support structure through the bolt holes 19 of the bottom plate 15 of the elastic device by bolts, so that the elastic support 7 is prevented from shaking in the process of supporting the water-gas separator 2.
The invention also provides an elastic support load control method of the water-gas separator, which comprises the following steps:
the water gas in the gasification furnace 1 is introduced into a water-gas separator 2 through a direct connection pipeline 3, the water-gas separator 2 is used for gravity separation of the introduced water gas, and the water gas separator 2 is used for gravity separation of the introduced water gas and is divided into gas-phase water gas, liquid-phase water gas and solid-phase water gas.
The liquid level inside the water-gas separator 2 is controlled through a liquid level regulating valve 5, the liquid level height is controlled in an auxiliary mode through a remote control regulating valve 6 arranged on a bypass of the liquid level regulating valve 5, and the weight of the water-gas separator 2 is controlled. The liquid level inside the water-gas separator 2 is controlled by a liquid level regulating valve 5 and a remote control regulating valve 6. When the liquid level inside the water-gas separator 2 exceeds the preset height of the liquid level indicating alarm 4, liquid-phase water gas inside the water-gas separator 2 is discharged, and therefore the liquid level inside the water-gas separator 2 is controlled.
If the pipeline at the bottom of the water-gas separator 2 is blocked and the liquid level inside the water-gas separator 2 is higher than a certain value, the liquid level switch valve 9 and the black water overflow switch valve 10 are opened through interlocking control to control the liquid level. Illustratively, the certain value is set according to the overall size of the water-gas separator 2, and the certain value is not limited to a certain value, and is conveniently limited according to the size of the water-gas separator 2.
The water-gas separator 2 is supported by the elastic support 7, and when the weight of the water-gas separator 2 is smaller than the load of the elastic support 7, the water-gas separator 2 is limited to ascend by the positioning device 11. The operation load of the elastic bracket 7 is the sum of the net weight of the water- gas separator 2 and 2/3 of the maximum allowable material weight, and the installation load is the operation load minus the product of the elastic coefficient and the thermal displacement of the elastic bracket 7.
Further, before the water gas does not enter the water-gas separator 2, the set installation load of the elastic support 7 is larger than the net weight of the water-gas separator 2, and therefore the positioning device 11 (the length of a limit stud 15 exposed on the top of a spring device shell 12 is larger than the downward displacement of the water gas pipe orifice of the gasification furnace 1) is arranged on the elastic support 7, and when the whole device stops running and the water-gas separator 2 is empty, the load of the elastic support 7 is limited to apply excessive continuous load to the pipe orifice of the gasification furnace 1 upwards. Along with the continuous operation of the whole device, liquid-phase water gas and solid-phase water gas in the water-gas separator 2 are continuously increased, the operation weight interval of the water-gas separator 2 is greatly changed, and the limit of the operation weight is 1.5 times of the net weight of the water-gas separator 2, so that the liquid level height can be limited according to the operation weight.
In the embodiment of the invention, water gas in a gasification furnace 1 enters a water-gas separator 2 through a direct connection pipeline 3, gravity separation is carried out in the water-gas separator 2 to separate the water gas into gas-phase water gas, liquid-phase water gas and solid-phase water gas, the gas-phase water gas is sent into a washing tower through an outlet pipeline at the top of the water-gas separator, and the liquid-phase water gas and the solid-phase water gas enter the bottom of the water-gas separator 2 and are sent into the washing tower from an outlet.
When the first limit nut 111 is removed and liquid-phase water gas and solid-phase water gas are accumulated in the water-gas separator 2, the weight of the water-gas separator 2 is increased, the load column 13 is extruded through the load plate 17 at the bottom of the support lug 8, and the vertical displacement stroke indicator plate 116 also drives the limit stud 115 to move downwards while the vertical displacement stroke indicator plate 116 pressurizes the cylindrical helical spring 14 under the pressure action of the load column 13.
When the liquid-phase water gas and the solid-phase water gas in the water-gas separator 2 are discharged, the pressure at the top of the load plate 17 is gradually reduced, the elastic force of the cylindrical spiral spring 14 is rebounded, the load column 13 and the limit stud 115 are driven to move upwards through the vertical displacement travel indicating plate 116, and the limit stud 115 limits the rising height of the vertical displacement travel indicating plate 116, so that the loading sizes of the gasifier 1, the pipe orifice of the water-gas separator 2 and the directly-connected pipeline 3 are reasonable.
Through set up liquid level indication alarm 4 on water coal gas separator 2, adopt liquid level in the water coal gas separator 2 of liquid level governing valve 5 control, and set up interlocking control's liquid level switch valve 9 and black water overflow switch valve 10, and the remote control governing valve 6 of liquid level governing valve bypass, liquid level height in the more effective control separator when 2 bottom pipelines of water coal gas separator block up, make material weight in the water coal gas separator change in controllable scope, when satisfying directly connecting pipeline 3 and being connected between water coal gas separator 2 and gasifier 1 mouth of pipe, can select suitable elastic support, to assembling positioner 11 in the elastic support 7 body that supports simultaneously, realize gasifier 1, water coal gas separator 2 and mouth of pipe directly connect pipeline 3 and move downwards in coordination, make the method that the device can the safe and stable operation.
After the liquid level in the water-gas separator 2 reaches the preset height, the liquid level switch valve 9 and the black water overflow switch valve 10 which are interlocked with the liquid level indicator alarm 4 are controlled to be opened, redundant materials are discharged into the washing tower through corresponding pipelines, and the purpose of effectively controlling the operation weight of the water-gas separator 2 is achieved, so that the elastic supporting mode and the load setting of the water-gas separator 2 can be realized, the gasifier 1, the water-gas separator 2 and the direct-connected pipeline 3 can be enabled to move downwards in a coordinated mode when the whole device is operated, and the occurrence of rupture accidents caused by the fact that excessive bending moment is generated at the position of an pipe orifice due to deformation incompatibility is avoided.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (8)
1. The utility model provides a water gas separator's elastic support load controlling means, includes gasifier (1) and water gas separator (2), its characterized in that: a direct connection pipeline (3) is arranged between the gasification furnace (1) and the water-gas separator (2), and the gasification furnace (1) is communicated with the water-gas separator (2) through the direct connection pipeline (3);
a liquid level indicating alarm (4) is arranged on one side of the water-gas separator (2), a liquid level regulating valve (5) is arranged at the output end of the liquid level indicating alarm (4), and a remote control regulating valve (6) is arranged on a bypass of the liquid level regulating valve (5);
elastic supports (7) are uniformly distributed in the circumferential direction of the water-gas separator (2), and the elastic supports (7) are supported by the bottoms of support lugs (8) fixedly connected with the water-gas separator (2);
a liquid level switch valve (9) is arranged at the bottom end of the water-gas separator (2), and the liquid level switch valve (9) is interlocked with the liquid level indicating alarm (4);
the top of the support lug (8) is provided with a black water overflow switch valve (10), and the liquid level indication alarm (4), the liquid level regulating valve (5), the remote control regulating valve (6), the liquid level switch valve (9) and the black water overflow switch valve (10) are communicated with the water-gas separator (2);
four groups of positioning devices (11) are arranged in the elastic support (7), and each group of positioning devices (11) comprises a first limiting nut (111), a second limiting nut (112), a third limiting nut (113), a fourth limiting nut (114), a limiting stud (115) and a vertical displacement travel indicating plate (116);
the first limiting nut (111), the second limiting nut (112), the third limiting nut (113) and the fourth limiting nut (114) are in threaded connection with the limiting stud (115), and the vertical displacement travel indicating plate (116) is located between the third limiting nut (113) and the fourth limiting nut (114).
2. The elastic support load control device of a water-gas separator as claimed in claim 1, wherein: the elastic support (7) comprises a spring device shell (12), four loading columns (13) are arranged in the spring device shell (12), and the four loading columns (13) are in threaded connection with the vertical displacement travel indicating plate (116);
the top end of the load column (13) penetrates through the top of the inner wall of the spring device shell (12), four cylindrical helical springs (14) are arranged at the bottom of the vertical displacement travel indicating plate (116), the top of each cylindrical helical spring (14) is connected with the bottom of the vertical displacement travel indicating plate (116), and the cylindrical helical springs (14) correspond to the load columns (13) one to one.
3. The elastic support load control device of a water-gas separator according to claim 1 or 2, characterized in that: the elastic support (7) further comprises an elastic device bottom plate (15), four spring guide columns (16) are further arranged inside the spring device shell (12), the cylindrical spiral spring (14) is sleeved on the surfaces of the spring guide columns (16), the top ends of the spring guide columns (16) are parallel to the top surface of the second limiting nut (112), and the bottom ends of the spring guide columns (16) are fixedly connected with the elastic device bottom plate (15).
4. The elastic support load control device of a water-gas separator as claimed in claim 2, wherein: the top ends of the load columns (13) are provided with load plates (17), and the top ends of the four load columns (13) are movably connected with the bottoms of the load plates (17) in a sleeved mode and can rotate;
the surface of the load column (13) is provided with a load column adjusting hole (18), and the load column adjusting hole (18) is used for adjusting the installation height of the elastic support (7).
5. The elastic support load control device of a water-gas separator as claimed in claim 2, wherein: the first limiting nut (111) is arranged at the top of the spring device shell (12), the second limiting nut (112) is arranged inside the spring device shell (12), and the limiting stud (115) penetrates through the top of the spring device shell (12).
6. The elastic support load control device of a water-gas separator as claimed in claim 4, wherein: the elastic support (7) is connected with the bottom of the support lug (8) through the load plate (17), and the load plate (17) is connected with the support lug (8) in a sliding manner.
7. An elastic support load control method of a water-gas separator is characterized in that: the method comprises the following steps:
the water gas in the gasification furnace (1) is introduced into a water-gas separator (2) through a direct connection pipeline (3), and the water-gas separator (2) performs gravity separation on the introduced water gas;
the liquid level inside the water-gas separator (2) is controlled through a liquid level regulating valve (5), the liquid level height is controlled in an auxiliary mode through a remote control regulating valve (6) arranged on a bypass of the liquid level regulating valve (5), and the weight of the water-gas separator (2) is controlled;
if a pipeline at the bottom of the water-gas separator (2) is blocked and the liquid level inside the water-gas separator (2) is higher than a certain value, a liquid level switch valve (9) and a black water overflow switch valve (10) are opened through interlocking control and are used for controlling the liquid level;
the water-gas-coal separator (2) is supported by an elastic support (7), and when the weight of the water-gas-coal separator (2) is smaller than the load of the elastic support (7), the water-gas-coal separator (2) is limited to ascend by a positioning device (11).
8. The elastic support load control method for the water-gas separator according to claim 7, wherein: and after the water gas separator (2) performs gravity separation on the introduced water gas, the water gas is divided into gas-phase water gas, liquid-phase water gas and solid-phase water gas.
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