CN213599345U - Water level monitoring system of biomass-fired evaporator - Google Patents
Water level monitoring system of biomass-fired evaporator Download PDFInfo
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- CN213599345U CN213599345U CN202022260964.3U CN202022260964U CN213599345U CN 213599345 U CN213599345 U CN 213599345U CN 202022260964 U CN202022260964 U CN 202022260964U CN 213599345 U CN213599345 U CN 213599345U
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- water
- water level
- pipe
- evaporator
- level gauge
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 168
- 238000012544 monitoring process Methods 0.000 title claims abstract description 12
- 238000002485 combustion reaction Methods 0.000 claims abstract description 14
- 239000002028 Biomass Substances 0.000 claims description 6
- 238000005192 partition Methods 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 abstract description 8
- 238000004880 explosion Methods 0.000 abstract description 3
- 239000000779 smoke Substances 0.000 description 16
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 10
- 239000003546 flue gas Substances 0.000 description 10
- 238000000926 separation method Methods 0.000 description 8
- 239000011148 porous material Substances 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000003584 silencer Effects 0.000 description 2
- 239000004484 Briquette Substances 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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Abstract
A water level monitoring system of a biomass-fired evaporator comprises a left lower collecting tank, a right lower collecting tank, a water supply collecting tank, a water level meter water connection main pipe and a water level meter, wherein the left lower collecting tank and the right lower collecting tank are arranged on two sides of a fire grate of a combustion chamber; each sub-collecting box of the lower collecting box is provided with a water connection branch pipe which is communicated with a water connection main pipe; the lower part of the water level gauge is provided with a water connecting pipe, the upper part of the water level gauge is provided with a steam connecting pipe, the upper part of a water connecting pipe main pipe of the water level gauge is connected with the water connecting pipe at the lower part of the water level gauge, and the steam connecting pipe at the upper part of the water level gauge is connected and communicated with the outer side of an upper steam pocket of the evaporator. Through effective water level control, the full water running of the heating surface of the evaporator body can be realized, and the common problems that no water protection is easy to occur during running, overburning and tube explosion are caused due to water shortage on the upper part of the heating surface of the evaporator, and the service cycle is short are thoroughly solved.
Description
Technical Field
The utility model relates to a steam generation equipment, especially a fire water level monitoring system of living beings evaporimeter.
Background
The traditional evaporator needs to manufacture a shell or a coil pipe and a furnace pipe, and under the rigid regulation that the water capacity is less than 30-50L, the corresponding heating area, the furnace pipe with a certain height and a water and fire pipe in the furnace pipe still need to be arranged for ensuring the output of the evaporator. Because the water volume is too small, only water is arranged at the bottom of the evaporator, and most of the heated surface is not protected by water. When the evaporator operates, a furnace pipe of a heating surface without water protection and water and fire tubes are easy to burn out; the occurrence of tube explosion is a common fault in the use process of the existing evaporator.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to prior art not enough, has provided a water level monitoring system who fires biomass evaporator safe in utilization.
The to-be-solved technical problem of the utility model is realized through following technical scheme, a fire biomass evaporator's water level monitoring system, its characteristics are:
comprises a left lower collecting tank and a right lower collecting tank which are arranged at the two sides of a fire grate of a combustion chamber, a water supply collecting tank which is arranged corresponding to the lower collecting tanks, a water header pipe of a water level meter and the water level meter,
each lower collecting box is formed by combining a plurality of sub-collecting boxes side by side in sequence from front to back, the water supply collecting box is communicated with each sub-collecting box through a water inlet branch pipe, and a water supply valve is arranged on the water supply branch pipe;
each sub-collecting box of the lower collecting box is provided with a water connection branch pipe which is communicated with a water connection main pipe;
the lower part of the water level gauge is provided with a water connecting pipe, the upper part of the water level gauge is provided with a steam connecting pipe, the upper part of a water connecting pipe main pipe of the water level gauge is connected with the water connecting pipe at the lower part of the water level gauge, and the steam connecting pipe at the upper part of the water level gauge is connected and communicated with the outer side of an upper steam pocket of the evaporator.
The to-be-solved technical problem of the utility model can also be further realized through following technical scheme, and level sensor is equipped with to the upper end of fluviograph.
The to-be-solved technical problem of the utility model can also be further realized through following technical scheme, respectively be equipped with one about the water supply collection case, communicate with each other through the horizontal union coupling of intaking between two water supply collection cases.
The to-be-solved technical problem of the utility model can also be further realized through following technical scheme, the lower collection case be a whole pipe, separate into a plurality of branch collection casees through grouping the baffle in the whole pipe.
Compared with the prior art, the utility model, water allies oneself with house steward and each branch set case and divides a tub parallel connection through the water federation, and the water allies oneself with the water piping connection of the upper portion of water gage water allies oneself with the pipe header of water gage lower part, and the vapour antithetical couplet on water gage upper portion is connected and communicates with each other with the outside of the last steam pocket of evaporimeter. Through effective water level control, the full water running of the heating surface of the evaporator body can be realized, and the common problems that no water protection is easy to occur during running, overburning and tube explosion are caused due to water shortage on the upper part of the heating surface of the evaporator, and the service cycle is short are thoroughly solved.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a left side view of FIG. 1;
FIG. 3 is a schematic view of another construction of a tube wall;
FIG. 4 is a cross-sectional view of the upper drum.
In the figure: the system comprises a support pipe 1, a water inlet branch pipe 2, a water connection branch pipe 3, a water connection main pipe 4, a pipe wall 5, a water level gauge 6, a water supply header tank 7, a water level sensor 8, an upper steam pocket 9, a hot water outlet pipe 10, a flue gas condenser 11, a steam connection pipe 12, a water inlet horizontal pipe 13, a furnace door 14, a furnace grate 15, a lower header tank 16, a control valve 17, a grouping partition plate 18 and a steam-water separation mechanism 19.
Detailed Description
The embodiments of the present invention will be described in detail below, so as to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, and to make those skilled in the art understand the present invention further, and in the following, the embodiments of the present invention will be combined to clearly and completely describe the technical solutions in the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
A water level monitoring system of a biomass-fired evaporator,
comprises a left lower collecting tank and a right lower collecting tank which are arranged at the two sides of a fire grate of a combustion chamber, a water supply collecting tank which is arranged corresponding to the lower collecting tanks, a water header pipe of a water level meter and the water level meter,
each lower collecting box is formed by combining a plurality of sub-collecting boxes side by side in sequence from front to back, the water supply collecting box is communicated with each sub-collecting box through a water inlet branch pipe, and a water supply valve is arranged on the water supply branch pipe;
each sub-collecting box of the lower collecting box is provided with a water connection branch pipe which is communicated with a water connection main pipe;
the lower part of the water level gauge is provided with a water connecting pipe, the upper part of the water level gauge is provided with a steam connecting pipe, the upper part of a water connecting pipe main pipe of the water level gauge is connected with the water connecting pipe at the lower part of the water level gauge, and the steam connecting pipe at the upper part of the water level gauge is connected and communicated with the outer side of an upper steam pocket of the evaporator.
The upper end of the water level gauge is provided with a water level sensor.
The left and right of the water supply header are respectively provided with one, and the two water supply headers are communicated through a water inlet transverse pipe.
The lower collecting box is an integral pipe, and the whole pipe is divided into a plurality of sub-collecting boxes by grouping partition plates.
Burn biomass evaporator, including flue gas condenser and evaporimeter body, the evaporimeter body includes steam pocket and combustion chamber, goes up the steam pocket setting between flue gas condenser and combustion chamber, goes up the steam pocket and is equipped with the steam outlet pipe that upwards sets up.
The front part of the combustion chamber is provided with a furnace door and a feed inlet, the bottom of the combustion chamber is provided with a fire grate, two sides of the fire grate are provided with a left lower collecting box and a right lower collecting box, the left lower collecting box and the right lower collecting box are upwards connected with an upper steam drum through a left pipe wall and a right pipe wall, the top ends of the rear parts of the left pipe wall and the right pipe wall are provided with smoke passing openings, and the smoke passing openings are upwards communicated with smoke inlet openings of condensing smoke; the feeding hole is provided with a feeding device and a feeding device of the biomass briquette. A slag outlet door is arranged below one end of the fire grate.
The bottom of the lower header on both sides is provided with a base and an external heat preservation and external package of the evaporator body.
A blower for a combustion chamber is provided on one side of the evaporator, and a silencer is provided at an outlet of the blower.
The top of the evaporator is provided with a smoke exhaust draught fan, and the outlet of the draught fan is provided with a silencer.
The lower collecting box is formed by combining a plurality of sub collecting boxes side by side in sequence from front to back, water supply collecting boxes for supplying water to the left and right lower collecting boxes are arranged on the outer sides of the left and right pipe walls, each sub collecting box is connected with the water supply collecting boxes through a water inlet branch pipe, and water supply valves are arranged on the water supply branch pipes; the bottom of each branch collection box is connected with a blow-off pipe, and a blow-off valve is arranged on the blow-off pipe.
And a hot water outlet pipe of the flue gas condenser is connected with the water supply header.
The left and right of the water supply header are respectively provided with one, and the two water supply headers are communicated through a water inlet transverse pipe.
The lower collecting box is an integral pipe, and the whole pipe is divided into a plurality of sub-collecting boxes by grouping partition plates.
The front wall and the rear wall of the combustion chamber are both provided with support pipes, and the two ends of each support pipe are respectively connected between the lower header pipe and the upper steam drum to form a water passing support pipe. And support pipes are arranged on two sides of the bottom of two ends of the upper steam drum and on the inner sides of two ends of the lower header pipes on two sides, and are poured by refractory materials to form front wall and rear wall seals at two ends.
The upper steam pocket is a tank body arranged at the top of the combustion chamber, the middle part of the tank body is provided with a steam-water separation mechanism, the steam-water separation mechanism comprises two steam-water separation pore plates arranged along the front and the back of the tank body, the two steam-water separation pore plates are oppositely inclined towards the center of the tank body from two sides, the intersecting section of the two steam-water separation pore plates is arranged in a V shape, and the intersecting part of the upper end of the wall pipe and the upper steam pocket is arranged below the steam-water separation pore plates.
The pipe wall can be that the upper portion of collection case is equipped with the header in the lower, and the header is equipped with the collection case section that corresponds with the branch collection case one-to-one of lower collection case, and lower collection case communicates with each other through a plurality of lower wall union couplings between the header, connects through connecting fin between the pipe of lower wall pipe and constitutes the lower pipe wall, communicates with each other through a plurality of upper wall union couplings between header and the last steam pocket, connects through connecting fin between the pipe of upper wall pipe and constitutes the upper pipe wall. At least one layer of inner ascending steam pipe which is connected between the middle header and the upper steam drum and does not contain connecting fins is arranged in the upper pipe wall.
1. Flue gas circulation of the evaporator:
1.1, the biomass fuel burns in the combustion chamber of evaporimeter, and the high temperature flue gas of production is discharged (first return journey) from the mouth of crossing of evaporimeter body, and the lower floor that gets into the flue gas condenser crosses the inlet flue of cigarette passageway.
1.2, high-temperature smoke discharged from the lower smoke passing channel enters a front smoke box (a second return stroke); and the smoke enters the inlet of the upper smoke passing channel through the front smoke box and is discharged from the smoke outlet (smoke outlet of the evaporator) of the upper smoke passing channel (third return stroke). Thereby completing the whole smoke circulation process from the fuel combustion to the smoke discharge.
2. Water supply cycle and heating cycle of evaporator:
2.1 cold water (purified water) enters the arc-shaped water tank through a water inlet on the upper part of the arc-shaped water tank on one side of the flue gas condenser, and is heated by the flue gas condenser, heated hot water enters the arc-shaped water tank on the other side of the flue gas condenser, and then is discharged from a hot water outlet on the upper part of the arc-shaped water tank on the other side and enters the water supply header on two sides of the evaporator body. And enters the water inlet branch pipes at two sides of the body through the water supply header (each water inlet branch pipe is provided with a control valve); then enters each component collection box through a water inlet branch pipe, is heated by the evaporator body and then turns into water vapor which enters the upper steam pocket of the evaporator.
2.2, the steam-water mixture entering the upper steam drum is output to steam equipment through a steam outlet of the evaporator after being separated by a steam-water separation device arranged in the upper steam drum. Thereby completing the whole heating cycle from cold water entry to steam output.
3. Safety control:
3.1 Water supply control
The water level of the evaporator body is automatically controlled through water level meters and water level sensors arranged on two sides of the evaporator body; when the water level of the evaporator body drops, under the electrical interlocking action of the water level sensors at the two sides and the electric feed pump, the electric feed pump automatically starts to supplement water for the evaporator body system; ensure the normal water level of the evaporator body.
3.2 pressure control
3.2.1, monitoring the operating pressure of the evaporator through a pressure gauge.
3.2.2, when the evaporator normally runs, the pressure controller and the pressure relief safety valve are in a static state; when the operating pressure of the evaporator rises and exceeds the set pressure, the pressure controller instantly cuts off the power supplies of the external blower and the external induced draft fan through the electric interlocking device, so that the external blower and the external induced draft fan stop supplying air and inducing air, and the rapid combustion of fuel in the hearth is stopped; the temperature of the hearth is reduced. Meanwhile, the pressure relief safety valve can be opened instantly for pressure relief; ensuring the safety. After the pressure is reduced to a normal value (no abnormal factor), each functional configuration can run normally.
Claims (4)
1. The utility model provides a fire biomass evaporator's water level monitoring system which characterized in that:
comprises a left lower collecting tank and a right lower collecting tank which are arranged at the two sides of a fire grate of a combustion chamber, a water supply collecting tank which is arranged corresponding to the lower collecting tanks, a water header pipe of a water level meter and the water level meter,
each lower collecting box is formed by combining a plurality of sub-collecting boxes side by side in sequence from front to back, the water supply collecting box is communicated with each sub-collecting box through a water inlet branch pipe, and a water supply valve is arranged on the water supply branch pipe;
each sub-collecting box of the lower collecting box is provided with a water connection branch pipe which is communicated with a water connection main pipe;
the lower part of the water level gauge is provided with a water connecting pipe, the upper part of the water level gauge is provided with a steam connecting pipe, the upper part of a water connecting pipe main pipe of the water level gauge is connected with the water connecting pipe at the lower part of the water level gauge, and the steam connecting pipe at the upper part of the water level gauge is connected and communicated with the outer side of an upper steam pocket of the evaporator.
2. The water level monitoring system of a biomass-fired evaporator as recited in claim 1, further comprising: the upper end of the water level gauge is provided with a water level sensor.
3. The water level monitoring system of a biomass-fired evaporator as recited in claim 1, further comprising: the left and right of the water supply header are respectively provided with one, and the two water supply headers are communicated through a water inlet transverse pipe.
4. The water level monitoring system of a biomass-fired evaporator as recited in claim 1, further comprising: the lower collecting box is an integral pipe, and the whole pipe is divided into a plurality of sub-collecting boxes by grouping partition plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022260964.3U CN213599345U (en) | 2020-10-13 | 2020-10-13 | Water level monitoring system of biomass-fired evaporator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022260964.3U CN213599345U (en) | 2020-10-13 | 2020-10-13 | Water level monitoring system of biomass-fired evaporator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213599345U true CN213599345U (en) | 2021-07-02 |
Family
ID=76590164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022260964.3U Expired - Fee Related CN213599345U (en) | 2020-10-13 | 2020-10-13 | Water level monitoring system of biomass-fired evaporator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213599345U (en) |
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2020
- 2020-10-13 CN CN202022260964.3U patent/CN213599345U/en not_active Expired - Fee Related
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210702 |