CN210979869U - Be applicable to and burn airtight water cooling plant of burning furnace grate - Google Patents
Be applicable to and burn airtight water cooling plant of burning furnace grate Download PDFInfo
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- CN210979869U CN210979869U CN201921683685.9U CN201921683685U CN210979869U CN 210979869 U CN210979869 U CN 210979869U CN 201921683685 U CN201921683685 U CN 201921683685U CN 210979869 U CN210979869 U CN 210979869U
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Abstract
The utility model relates to an airtight water cooling device suitable for an incinerator grate, which comprises an air blower, a pipeline, a first metal hose, a second metal hose, a flange component, a joint and a water cooling system; an internal jacket is welded by stainless steel bar plates and is arranged on the grate driving push rod, angle steel is provided with a water through hole and is respectively welded at the central positions of the periphery of the internal jacket; the stainless steel bar plates are respectively attached to the angle steels and fixed through welding holes, positions of a water inlet and a water outlet are reserved at the same time, the stainless steel bar plates are integrally welded into an external jacket, and a water inlet flange and a water outlet flange are respectively welded to the positions of the water inlet and the water outlet reserved in the external jacket to form the whole water-cooling jacket; the support is arranged on the grate driving frame through the positioning long hole, the water-cooling jacket is welded and fixed with the support, and the support is welded and fixed on the grate driving frame to form a water-cooling system.
Description
Technical Field
The utility model relates to an burn the field, concretely relates to use in the design of burning furnace gas sealing water cooling plant of grate.
Background
Due to the fine management of garbage classification, the management control of household garbage, high-calorific-value household garbage, industrial garbage, medical garbage, biomass garbage and the like is further improved. At present, the mechanical grate furnace has the characteristics of strong garbage adaptability, reliable operation, high controllability and the like, and becomes the most effective terminal treatment for household garbage incineration.
However, with the development of society, the specific gravity of high-calorific-value domestic garbage is becoming more and more obvious, and the treatment demand of domestic garbage involving burning industrial garbage is continuously reflected.
In the core equipment of the garbage incinerator, a fire grate is generally divided into three sections, namely a drying section, a combustion section and a burnout section, wherein each section of the fire grate moves through a driving device. In the process of burning, a large amount of high-temperature harmful gas can be generated, and simultaneously along with industrial garbage, the overall heat value is further improved, and the requirements on burning equipment also need to be upgraded.
Every section grate has all set up drive seal protection device respectively, nevertheless because long-term operation, sealing material loss has certain influence to the effect of sealed protection, if not handle in time, receives high temperature influence for a long time, can cause the damage to drive spare part, influences the grate operating mode.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an aim at promoting to burn burning furnace grate operation operating mode, provide an airtight water cooling plant who uses at waste incineration grate stove. The specific technical scheme is as follows:
an air-tight device suitable for an incinerator grate furnace comprises a blower, a pipeline, a first metal hose, a second metal hose, a flange assembly, a joint and a water cooling system; the airtight water cooling device is characterized in that an airtight device and a water cooling jacket are arranged on the fire grate for driving.
The flange assembly comprises a flange plate, a bent pipe, a positioning rib plate, a fixing nut, a connecting bolt, a vent hole, a clamping groove and a sealing ring; the flange plate is divided into two parts and is spliced by fixed nuts and connecting bolts in a butt joint way; the flange plate is internally provided with a clamping groove for mounting a sealing ring;
the flange plate is reserved with ventilation holes, and the bent pipe is welded with the reserved ventilation holes; welding the positioning rib plate on the flange plate; the bent pipe is completely sealed with the vent hole on the flange plate;
the flange plate is connected with the sealing box through the positioning rib plate; the flange plate is assembled by connecting bolts and fixing nuts; the blower, the pipeline and the first metal hose are mutually connected, and the joint connects the second metal hose with the elbow; an inner jacket formed by welding stainless steel plates is arranged on the grate driving push rod, angle steel is provided with a water through hole and is respectively welded at the center position of the periphery of the inner jacket;
the stainless steel bar plates are respectively attached to the angle steels and fixed through welding holes, positions of a water inlet and a water outlet are reserved at the same time, the stainless steel bar plates are integrally welded into an external jacket, and a water inlet flange and a water outlet flange are respectively welded to the positions of the water inlet and the water outlet reserved in the external jacket to form the whole water-cooling jacket;
the support is arranged on the grate driving frame through the positioning long hole, the water-cooling jacket is welded and fixed with the support, and the support is welded and fixed on the grate driving frame to form a water-cooling system.
The air-tight device consists of an air blower, a pipeline, a metal hose, a flange assembly, a sealing ring, a bent pipe and a joint.
The flange assembly in the airtight device is divided into two parts which can be assembled and synthesized by bolts, and the installation and the disassembly are very convenient; and meanwhile, the ventilation holes are reserved, so that the ventilation holes and the bent pipe are completely sealed in a full-welding mode, the phenomena of air leakage and air leakage cannot occur, and the sealing performance of the air pipe is ensured.
The flange component is provided with the positioning hole, and due to the high precision requirement, the flange component can be completely attached to the fire grate sealing box, so that the phenomenon of friction and abrasion with a fire grate driving rod in the operation engineering is prevented.
The flange component is internally provided with a clamping groove for mounting a sealing ring, the sealing ring is made of a material with high temperature resistance and low friction coefficient, and the leakage-proof effect is further achieved, so that the whole process forms a multiple sealing structure.
The model selection of the fan, the specification of the pipeline and the model of the metal hose are determined by calculating the air quantity and the flow rate of the pipeline, so that the stable pressure and the balanced air speed are ensured, and the maximum effect of the air-tight device is achieved.
The positive pressure blowing is forcibly carried out on the fire grate sealing box through the air-tight device, so that the internal gas stays in the incinerator all the time, and the gas is prevented from being slowly leaked out in the movement process of the fire grate driving rod.
The water cooling device consists of a support, a stainless steel jacket, a support angle steel, a water inlet flange and a water outlet flange.
The support is arranged on the fire grate driving frame and is completely fixed through a positioning bolt.
The stainless steel bar plate is welded into an inner jacket component and an outer jacket component, the inner jacket component is fixed on the outer edge of the grate driving rod, and welding holes are reserved in the outer jacket component.
A water through hole is reserved in the support angle steel, so that cooling water can normally and stably flow in the water jacket.
And respectively welding the support angle steel to the inner jacket assembly, and fixedly welding the support angle steel with the outer jacket assembly through the welding holes.
The entire jacket was placed on a stand device and welded to be fixed. And then the water inlet flange and the water outlet flange are respectively welded on the external jacket assembly.
The in-plant circulating water is connected to the water inlet, so that the circulating water passes through the inner cavity of the whole jacket to achieve the cooling effect, and is finally output from the water outlet, and a continuous circulating mode is formed.
The utility model has the advantages that:
the utility model discloses the airtight device of burning grate furnace can effectively prevent the flue gas, the raise dust, the ash of a furnace takes place the phenomenon of leaking through drive push rod active area, simultaneously to the high temperature air current that burns burning furnace production, through air cooling, can play good cooling effect, and continuously cool off drive push rod through the circulating water, further reduce the temperature of drive area territory, thereby increase the relevant spare part of drive arrangement, the life of seal box and inside spare part, the spare part replacement rate that significantly reduces, improve and burn burning furnace steady operation duration, reduce the maintenance work in later stage, effectively reduce the operation cost.
The utility model discloses pressure pipe flow, accurate computational formula and the calculation step of discharge and pressure difference are as follows:
1. and (3) calculating the specific resistance S of the pipeline, wherein if the pipeline is an old cast iron pipe or an old steel pipe, the specific resistance S of the pipeline can be calculated by using a Schweiloff formula as 0.001736/d ^5.3 or S as 10.3n2/d ^5.33 (n is the roughness of the inner wall of the pipeline, d is the inner diameter of the pipeline, and m).
2. Determining the action water head difference delta H of two ends of the pipeline as delta P/(rho g), wherein H is m; delta P is the pressure difference (not the pressure of a certain section) at two ends of the pipeline, and takes Pa as a unit, rho is the density of water, and rho is 1000kg/m ^ 3; g is 9.8N/kg.
3. And calculating the flow Q, wherein Q is (delta H/s L) ^ (1/2).
4. The flow rate V is 4Q/(3.1416d ^ 2).
Wherein Q is flow rate in m 3/s, H is head difference between the starting end and the tail end of the pipeline in m, L is length from the starting end to the tail end of the pipeline in m, the length in m represents power operation, and d 2 represents the square of the pipe diameter.
Drawings
FIG. 1: schematic diagram of a furnace exhaust gas-tight water cooling device.
FIG. 2: a front view of a flange assembly of a gas seal system.
FIG. 3: a left side view of the flange assembly of the air seal system.
FIG. 4: an exploded view of the flange assembly of the gas-tight device system.
FIG. 5: a cross-sectional view of a water chiller system.
Detailed Description
As shown in fig. 1 to 5, a water cooling device for the gas sealing of an incinerator. Comprises a blower 105, a pipeline 106, a first metal hose 107, a second metal hose 109, a flange assembly 104, a sealing ring 208, an elbow 202 and a joint 108. The flange assembly 104 is designed with a flange plate 201, an elbow 202, a positioning rib plate 203, a fixing nut 204, a connecting bolt 205, a vent hole 206, a clamping groove 207 and a sealing ring 208.
The flange plate 201 is divided into two parts, and is assembled in a butt joint mode through a fixing nut 204 and a connecting bolt 205; a clamping groove 207 is formed in the flange plate 201 and used for installing a sealing ring 208; a vent hole 206 is reserved in the flange plate 201, and the bent pipe 202 is welded with the reserved vent hole 206; and welding the positioning rib plate 203 on the flange plate 201.
After the sealing ring 208 is sleeved on the grate driving rod 101 in a reserved position, the grate driving rod 101 is assembled and connected with the grate driving beam 102, and the grate sealing box 103 is arranged on the grate driving rod 101.
The bent pipe 202 and the vent holes 206 on the flange plate 201 are fully welded and completely sealed, so that the phenomena of air leakage and air leakage are avoided, and the sealing performance of the air pipe is ensured.
Because the flange 201 is designed in half and half, the flange needs to be preassembled outside the grate driving rod 101, and then the sealing ring 208 is pressed into the clamping groove 207 of the flange 201, so that the sealing effect is further achieved.
The flange plate 104 is connected with the sealing box 103 by utilizing the positioning rib plate 203, and the positioning rib plate 203 and the sealing box 103 can be completely attached and assembled due to high requirements on the processing precision, so that the loss caused by friction of parts in the operation process is effectively avoided. And then the flange plate 201 is assembled by the connecting bolts 205 and the fixing nuts 204 to form the flange assembly 104.
After the blower 105, the duct 106, and the first metal hose 107 are connected to each other, the second metal hose 109 is connected to the elbow 202 through the joint 108. And after all the connecting processes are finished, ensuring the complete sealing among the parts through an airtight test.
Stainless steel bar plates are welded into an inner jacket 302 which is arranged on the grate driving push rod 101, angle steels 303 are respectively provided with water through holes 305, and then the angle steels are respectively welded at the center position of the periphery of the inner jacket.
The stainless steel reinforced plates are respectively attached to the angle steel 303 and fixed through the welding holes 306, the positions of a water inlet and a water outlet are reserved, and the stainless steel reinforced plates are integrally welded into the outer jacket 304. The water inlet flange 307 and the water outlet flange 308 are respectively welded to the reserved positions of the outer jacket 304 to form the whole water-cooling jacket 301.
The support 309 is arranged on the grate driving frame 100 through a long positioning hole, the position between the water cooling jacket 301 and the grate driving push rod 101 and the connecting position between the water cooling jacket 301 and the support 309 are adjusted, the water cooling jacket 301 and the support 309 are welded and fixed, and the support 309 is welded and fixed on the grate driving frame 100 at the same time, so that the water cooling device system is formed.
And finally, starting the blower 105, filling the pipeline 106 with air and maintaining the pressure through the first metal hose 107, and forcibly performing positive-pressure air supply cooling on the fire grate sealing box 103 through the second metal hose 109 and the flange assembly 104 to form stable output.
And (4) introducing the water in the plant into a water cooling device system. The grate driving parts are continuously cooled by circulating water, and the temperature of a driving area is further reduced, so that the operation stability of the related parts, the sealing box and the internal parts of the driving device is greatly enhanced, and the economic benefit and the social benefit of an enterprise are effectively improved.
Actually measured data:
Claims (3)
1. a gas-tight water cooling device suitable for an incinerator furnace is characterized by comprising an air blower, a pipeline, a first metal hose, a second metal hose, a flange assembly, a joint and a water cooling system;
the flange assembly comprises a flange plate, a bent pipe, a positioning rib plate, a fixing nut, a connecting bolt, a vent hole, a clamping groove and a sealing ring; the flange plate is divided into two parts and is spliced by fixed nuts and connecting bolts in a butt joint way; the flange plate is internally provided with a clamping groove for mounting a sealing ring;
the flange plate is reserved with ventilation holes, and the bent pipe is welded with the reserved ventilation holes; welding the positioning rib plate on the flange plate; the bent pipe is completely sealed with the vent hole on the flange plate;
the flange plate is connected with the sealing box through the positioning rib plate; the flange plate is assembled by connecting bolts and fixing nuts; the blower, the pipeline and the first metal hose are mutually connected, and the joint connects the second metal hose with the elbow; an inner jacket formed by welding stainless steel plates is arranged on the grate driving push rod, angle steel is provided with a water through hole and is respectively welded at the center position of the periphery of the inner jacket;
the stainless steel bar plates are respectively attached to the angle steels and fixed through welding holes, positions of a water inlet and a water outlet are reserved at the same time, the stainless steel bar plates are integrally welded into an external jacket, and a water inlet flange and a water outlet flange are respectively welded to the positions of the water inlet and the water outlet reserved in the external jacket to form the whole water-cooling jacket;
the support is arranged on the grate driving frame through the positioning long hole, the water-cooling jacket is welded and fixed with the support, and the support is welded and fixed on the grate driving frame to form a water-cooling system.
2. The grate gas-tight water cooling device suitable for incineration of claim 1, wherein the grate driving rod is assembled and connected with the grate driving beam after the sealing ring is sleeved on a reserved position on the grate driving rod, and the grate sealing box is arranged on the grate driving rod.
3. The grate gas-tight water cooling device suitable for incineration of claim 1, wherein the flange is pre-installed outside the grate driving rod, and the sealing ring is pressed into the clamping groove of the flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921683685.9U CN210979869U (en) | 2019-10-04 | 2019-10-04 | Be applicable to and burn airtight water cooling plant of burning furnace grate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921683685.9U CN210979869U (en) | 2019-10-04 | 2019-10-04 | Be applicable to and burn airtight water cooling plant of burning furnace grate |
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| CN210979869U true CN210979869U (en) | 2020-07-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921683685.9U Active CN210979869U (en) | 2019-10-04 | 2019-10-04 | Be applicable to and burn airtight water cooling plant of burning furnace grate |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114777132A (en) * | 2022-04-27 | 2022-07-22 | 无锡华光环保能源集团股份有限公司 | Water-cooled solid waste incineration grate |
-
2019
- 2019-10-04 CN CN201921683685.9U patent/CN210979869U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114777132A (en) * | 2022-04-27 | 2022-07-22 | 无锡华光环保能源集团股份有限公司 | Water-cooled solid waste incineration grate |
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