CN213777745U - Multi-point feeding device for feeding low-dryness semi-dry sludge from hearth of incinerator - Google Patents

Multi-point feeding device for feeding low-dryness semi-dry sludge from hearth of incinerator Download PDF

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Publication number
CN213777745U
CN213777745U CN202120949029.XU CN202120949029U CN213777745U CN 213777745 U CN213777745 U CN 213777745U CN 202120949029 U CN202120949029 U CN 202120949029U CN 213777745 U CN213777745 U CN 213777745U
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feeding
hearth
incinerator
feed
pipe
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刘向金
韩志明
董常亮
李祥
季洪泉
杨帆
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Beijing Zhongke Runyu Environmental Protection Technology Co ltd
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Beijing Zhongke Runyu Environmental Protection Technology Co ltd
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Abstract

The utility model provides a throw into multipoint feeding device of low-dryness half-dry mud from burning furnace hearth, belong to sludge incineration processing technology field, the feed distributor is connected with electrically controlled device, the pipe connection pipe of feed distributor is connected with pressure transmitter and star type tripper, the other end and the metal expansion joint of star type tripper are connected, the other end and the female union coupling of feed of metal expansion joint, the female pipe of feed is connected with pneumatic ball valve respectively, pneumatic ball valve's the other end is connected with pan feeding mouth seal box respectively, the other end of pan feeding mouth seal box respectively with furnace water-cooling tube panel and feed branch connection, the utility model discloses a multipoint, the function of the automatic even feed of circulation.

Description

Multi-point feeding device for feeding low-dryness semi-dry sludge from hearth of incinerator
Technical Field
The utility model relates to a from burning furnace hearth throw into multipoint feeder of low-dryness half-dry mud belongs to sludge incineration disposal technical field.
Background
Municipal sludge needs to be treated like household garbage. Sludge treatment needs to meet the treatment targets of reduction, harmlessness and recycling. For small and medium-sized cities, municipal sewage and sludge are dried by using steam extracted by a steam turbine configured for domestic garbage incineration power generation, the dried sludge enters a furnace for incineration, and wastewater enters a leachate treatment device for treatment, which is called as co-treatment with domestic garbage incineration treatment in the industry. Compared with other treatment modes, the municipal sewage and sludge and domestic garbage incineration treatment are treatment measures which have better economical efficiency and meet the treatment target of 'three-transformation', and have wider and wider application prospect and popularization value.
The water content of the low-dryness semi-dry sludge is generally more than 50%, if the sludge feeding is not uniform, large blocks of the low-dryness semi-dry sludge pushed into the incinerator are difficult to be sufficiently combusted, the recycling and reduction effects of the sludge treatment are inevitably reduced, even the combustion condition of the whole garbage incineration device is adversely affected, and therefore the traditional sludge feeding mode is necessarily improved.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model provides a multi-point feeding device which drops into low-dryness half-dry sludge from a hearth of an incinerator.
The utility model provides a throw into multi-point feeder of low-dryness half-dry mud from burning furnace, the feed distributor is connected with electrically controlled device, the pipe connecting pipe of feed distributor is connected with pressure transmitter and star type tripper, the other end and the metal expansion joint of star type tripper are connected, the other end and the female union coupling of feed of metal expansion joint, the female pipe of feed is connected with pneumatic ball valve respectively, the other end of pneumatic ball valve is connected with pan feeding mouth seal box respectively, the other end of pan feeding mouth seal box respectively with furnace water-cooling tube panel and feed branch union coupling.
The electric control device is powered by a 380V/220V power supply, the programmable controller and the solenoid valve box are connected with 220V of the power supply, the electric control cabinet is connected with 380V of the power supply, the programmable controller is provided with an I/O module, the I/O module is respectively connected to the electric control cabinet through a signal cable, the solenoid valve box, a rotary switch of the star-shaped discharger, a limit switch of the pneumatic valve and a pressure transmitter, the electric control cabinet is connected with a motor of the star-shaped discharger, the solenoid valve box is connected with a driving device of the pneumatic valve, and the solenoid valve box is connected with a compressed air pipeline through a pressure air storage tank.
The feeding distributor is arranged at the top of the hearth of the incinerator, the feeding main pipe is arranged along the width direction of the hearth of the incinerator, and the feeding branch pipes are uniformly distributed along the axial direction of the feeding main pipe.
The feeding distributor is arranged at the position of a front arch of a hearth of the incinerator, the feeding main pipe is arranged along the width direction of the hearth of the incinerator, and the feeding branch pipes are uniformly distributed along the axial direction of the feeding main pipe.
The utility model has the advantages that: the feeding distributor is arranged at the tail end of the sludge conveying pipeline, a feeding main pipe and a plurality of feeding branch pipes are arranged on the feeding distributor, a star-shaped discharger is installed on the feeding main pipe, the running speed of the discharger is adjusted through an electric control device, so that the feeding speed of sludge is controlled, a pneumatic ball valve is installed on each feeding branch pipe, and the functions of multi-point feeding and automatic and uniform feeding in a circulating mode are achieved through opening and closing of an electric control switching pneumatic ball valve.
Drawings
The invention itself, however, as well as many of the attendant advantages thereof, will be best understood by reference to the following detailed description when considered in connection with the accompanying drawings, wherein like reference numerals indicate like parts throughout the several views, and wherein:
FIG. 1 is a schematic structural view of an embodiment of a multi-point feeding device for feeding low-dryness semi-dry sludge from a furnace chamber of an incinerator according to the present invention,
fig. 2 is a schematic view of the position of the feed distributor installed on the top of the furnace in the embodiment of the multi-point feeding device of the utility model for feeding low-dryness semi-dry sludge from the furnace of the incinerator.
Fig. 3 is a schematic diagram of the position of the feed distributor installed on the front arch of the furnace chamber in the embodiment of the multi-point feeding device of the utility model for feeding low-dryness semi-dry sludge from the top of the furnace chamber of the incinerator.
Fig. 4 is a diagram of the electric control device of the present invention.
The present invention will be further explained with reference to the drawings and examples.
Detailed Description
Obviously, many modifications and variations of the present invention based on the spirit of the present invention will be apparent to those skilled in the art.
As used herein, the singular forms "a", "an", "the" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. It will be understood that when an element, component or section is referred to as being "connected" to another element, component or section, it can be directly connected to the other element or section or intervening elements or sections may also be present. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art.
The following examples are further illustrative in combination to facilitate understanding of the embodiments, and are not to be construed as limiting the invention.
Example 1: as shown in figures 1, 2, 3 and 4, the multipoint feeding device for feeding low-dryness semi-dry sludge from the hearth of the incinerator is used for effectively controlling the size and feeding point position of sludge blocks, so that the sludge is more uniformly distributed in the incinerator, the generation of large-block lumpy sludge is avoided, the sludge is uniformly fed into the incinerator and fully burned out, the temperature of the hearth and residues are guaranteed to be smoothly discharged, and continuous and stable operation is realized. The advantage that low-dryness half-dry sludge is thrown into from the hearth of the incinerator is that the temperature in the hearth is higher, moisture contained in the sludge is favorably and quickly dried, and the uniformity of the sludge in the incinerator is more stable and controllable.
A multi-point feeding device for feeding low-dryness semi-dry sludge into a hearth of an incinerator comprises: the feeding distributor comprises a feeding main pipe and feeding branch pipes, the feeding main pipe is arranged along the width direction of the incinerator hearth, the feeding branch pipes are axially distributed along the feeding main pipe and are communicated with the feeding main pipe, the feeding distributor can be arranged at the top of the incinerator hearth and can also be arranged at the front arch position of the incinerator hearth, and the electric control device is electrically connected with the feeding branch pipes and is used for controlling the feeding branch pipes to be opened or closed according to a preset time sequence.
Still include the star type tripper, the star type tripper sets up in the entry end of the female pipe of feed to be linked together with mud pipeline, star type tripper exit linkage has the metal expansion joint, and the metal expansion joint other end is connected to the female pipe of feed.
The pneumatic valve is arranged on the feeding branch pipe, the starting valve is provided with a limit switch and is used for detecting and feeding back the opening and closing state of the pneumatic valve, the electric control device comprises a programmable controller and an electromagnetic valve box, the programmable controller is provided with an I/O module, the IO module is connected with the electromagnetic valve box and the pneumatic valve through a signal cable, and the limit switch is communicated with a gas storage tank for storing compressed air and is used for accessing a compressed air source.
The electric control device is electrically connected with the star discharger, the star feeder is provided with a rotary switch and is used for detecting and feeding back the rotary state of the star feeder, the electric control device comprises a programmable controller and an electric control cabinet, the programmable controller is provided with an I/O module, and the IO module is connected with the electric control cabinet and the star feeder through a signal cable and is connected with the rotary switch.
And a pressure transmitter is arranged on the feeding main pipe and is electrically connected with an I/O module arranged on the programmable controller and used for monitoring and feeding back the pressure of the sludge conveying pipeline.
A feeding port sealing box is arranged between the feeding branch pipe and the feeding port of the incinerator boiler so as to isolate high-temperature flue gas.
The utility model discloses set up the feed distributor at sludge conveying pipeline end, the last a plurality of feed branch pipe that has of feed distributor, electrically controlled device is connected with feed branch pipe electricity for control feed branch pipe is opened or is closed according to preset's chronogenesis, has realized multiple spot, the automatic even feed function of circulation.
Example 2: as shown in fig. 1, 2, 3 and 4, a multi-point feeding device for feeding low-dryness semi-dry sludge into a hearth of an incinerator comprises: a feed distributor 1 and an electronic control device 2.
The feeding distributor 1 is connected with a sludge conveying pipeline through a pipeline connecting pipe 3.
The feed distributor 1 comprises a feed main pipe 6 and a feed branch pipe 7.
The feeding branch pipes 7 are distributed along the axial direction of the feeding main pipe 6 and are communicated with the feeding main pipe 6.
The electric control device 2 is electrically connected with a star-shaped discharge valve 4 arranged on a feeding main pipe 6 and used for controlling the feeding main pipe to be opened or closed.
The electric control device 2 is electrically connected with a pneumatic ball valve 8 arranged on the feeding branch pipe 7 and used for controlling the feeding branch pipe 7 to be opened or closed according to a preset time sequence.
As shown in FIG. 2, the feed distributor 1 is installed at the top position 24 of the incinerator furnace, the feed main pipe 6 is arranged along the width direction of the incinerator furnace 22, the feed branch pipes 7 are evenly distributed along the axial direction of the feed main pipe 6, and the garbage hopper 21 is arranged at one side of the incinerator furnace 22.
As shown in FIG. 3, the feed distributor 1 is installed at the front arch position 23 of the incinerator furnace, the feed main pipe 6 is arranged along the width direction of the incinerator furnace 22, the feed branch pipes 7 are evenly distributed along the axial direction of the feed main pipe 6, and the garbage hopper 21 is arranged at one side of the incinerator furnace 22.
As can be seen from figure 1, in this embodiment, the multipoint feeding device for feeding low-dryness semi-dry sludge from the top of the incinerator furnace further comprises a star-shaped discharger 4, the star-shaped discharger 4 is arranged at the inlet end of the feeding main pipe 6 and is connected with the sludge pipeline connecting pipe 3, the outlet of the star-shaped discharger 4 is connected with a metal expansion joint 5, the other end of the metal expansion joint 5 is connected to the feeding main pipe 6, the feeding main pipe 6 is connected with the star-shaped discharger 4, the star-shaped discharger 4 is provided with a rotary switch 19, the rotary switch 19 is used for detecting and feeding back the rotation state of the star-shaped discharger 4, and the feeding branch pipe 7 is connected with a pneumatic valve 8.
The air-operated valve 8 is provided with a limit switch 18, and the limit switch 18 is used to detect and feed back the opening and closing of the air-operated valve 8.
Example 3: as shown in figures 1, 2, 3 and 4, the multi-point feeding device for feeding low-dryness semi-dry sludge into a hearth of an incinerator is characterized in that a feeding distributor 1 is connected with an electric control device 2, a pipeline connecting pipe 3 of the feeding distributor 1 is connected with a pressure transmitter 11 and a star-shaped discharger 4, the other end of the star-shaped discharger 4 is connected with a metal expansion joint 5, the other end of the metal expansion joint 5 is connected with a feeding main pipe 6, the feeding main pipes 6 are respectively connected with pneumatic ball valves 8, the other ends of the pneumatic ball valves 8 are respectively connected with a feeding port sealing box 9, and the other ends of the feeding port sealing box 9 are respectively connected with a hearth water-cooling pipe screen 10 and a feeding branch pipe 7.
The electric control device is powered by a 380V/220V power supply 12, wherein a programmable controller 14 and an electromagnetic valve box 15 are connected with 220V of the power supply 12, an electric control cabinet 13 is connected with 380V of the power supply 12, the programmable controller 14 is provided with an I/O module, the I/O module is respectively connected with the electric control cabinet 13, the electromagnetic valve box 15, a rotary switch 19 of the star discharger 4, a limit switch 18 of the pneumatic valve 8 and a pressure transmitter 11 through signal cables, the electric control cabinet 13 is connected with a motor 20 of the star discharger 4, the electromagnetic valve box 15 is connected with a driving device 17 of the pneumatic valve 8, and the electromagnetic valve box 15 is connected with a compressed air pipeline through a pressure air storage tank 16.
The pneumatic valves 8 on the branch pipes of the feeding distributor 1 are controlled by the electric control device to be opened/closed according to a certain time sequence, so that the feeding branch pipes 7 are sequentially and automatically fed circularly (or simultaneously and uniformly fed) according to a set sequence and time intervals, and the problem of insufficient burnout of subsequent sludge collaborative life incineration treatment caused by uneven feeding of low-dryness semi-dry sludge is solved.
In this embodiment, a pressure transmitter 11 is disposed on the pipe connecting pipe 3, and the pressure transmitter 11 is electrically connected to the I/O module of the electronic control device 2 for monitoring and feeding back the pressure of the sludge conveying pipe.
In addition, in this embodiment, the feeding main pipe 6 is connected with a metal expansion joint to absorb the thermal expansion of the furnace water-cooling tube panel 10, and a feeding port sealing box 9 is arranged between the feeding branch pipe 7 and the feeding port of the incinerator boiler to isolate the high-temperature flue gas.
In this embodiment, set up the feed distributor at sludge conveying pipeline end, the last female pipe of feed and a plurality of feed branch pipe of having of feed distributor, the female pipe of feed is last to install star type tripper, adjusts the functioning speed of tripper through electrically controlled device to the feed speed of control mud, installed pneumatic ball valve on every feed branch pipe, through the switching of automatically controlled switching pneumatic ball valve, realized multiple spot feed, the automatic even feed function of circulation.
As described above, although the embodiments of the present invention have been described in detail, it will be apparent to those skilled in the art that many modifications are possible without substantially departing from the invention and its effects. Therefore, all such modifications are included in the scope of the present invention.

Claims (3)

1. A multi-point feeding device for feeding low-dryness semi-dry sludge from a hearth of an incinerator is characterized in that a feeding distributor is connected with an electric control device, a pipeline connecting pipe of the feeding distributor is connected with a pressure transmitter and a star-shaped discharger, the other end of the star-shaped discharger is connected with a metal expansion joint, the other end of the metal expansion joint is connected with a feeding main pipe, the feeding main pipes are respectively connected with pneumatic ball valves, the other ends of the pneumatic ball valves are respectively connected with a feeding port sealing box, the other ends of the feeding port sealing boxes are respectively connected with a hearth water-cooling pipe panel and a feeding branch pipe,
the electric control device is powered by a 380V/220V power supply, the programmable controller and the solenoid valve box are connected with 220V of the power supply, the electric control cabinet is connected with 380V of the power supply, the programmable controller is provided with an I/O module, the I/O module is respectively connected to the electric control cabinet through a signal cable, the solenoid valve box, a rotary switch of the star-shaped discharger, a limit switch of the pneumatic valve and a pressure transmitter, the electric control cabinet is connected with a motor of the star-shaped discharger, the solenoid valve box is connected with a driving device of the pneumatic valve, and the solenoid valve box is connected with a compressed air pipeline through a pressure air storage tank.
2. The multipoint feeding device for feeding the low-dryness semi-dry sludge from the hearth of the incinerator according to claim 1, wherein the feeding distributor is installed at the top of the hearth of the incinerator, the feeding main pipe is arranged along the width direction of the hearth of the incinerator, and the feeding branch pipes are evenly distributed along the axial direction of the feeding main pipe.
3. The multipoint feeding device for feeding the low-dryness semi-dry sludge from the hearth of the incinerator according to claim 1, wherein the feeding distributor is installed at the front arch position of the hearth of the incinerator, the feeding main pipe is arranged along the width direction of the hearth of the incinerator, and the feeding branch pipes are uniformly distributed along the axial direction of the feeding main pipe.
CN202120949029.XU 2021-05-06 2021-05-06 Multi-point feeding device for feeding low-dryness semi-dry sludge from hearth of incinerator Active CN213777745U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120949029.XU CN213777745U (en) 2021-05-06 2021-05-06 Multi-point feeding device for feeding low-dryness semi-dry sludge from hearth of incinerator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120949029.XU CN213777745U (en) 2021-05-06 2021-05-06 Multi-point feeding device for feeding low-dryness semi-dry sludge from hearth of incinerator

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CN213777745U true CN213777745U (en) 2021-07-23

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CN (1) CN213777745U (en)

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