CN213146577U - Low-dryness half-dry sludge multipoint feeding system - Google Patents
Low-dryness half-dry sludge multipoint feeding system Download PDFInfo
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- CN213146577U CN213146577U CN202021364697.8U CN202021364697U CN213146577U CN 213146577 U CN213146577 U CN 213146577U CN 202021364697 U CN202021364697 U CN 202021364697U CN 213146577 U CN213146577 U CN 213146577U
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Abstract
The utility model provides a half dry mud multiple spot feed system of low-dryness, include: a feed distributor and an electronic control system; the feeding distributor is connected with the sludge conveying pipeline and comprises a feeding main pipe and a feeding branch pipe; the feeding branch pipes are axially distributed along the feeding main pipe and are communicated with the feeding main pipe; the electric control system is electrically connected with the feeding branch pipe and is used for controlling the feeding branch pipe to be opened or closed according to a preset time sequence. The tail end of the sludge conveying pipeline is provided with the feeding distributor, the feeding distributor is provided with a plurality of feeding branch pipes, and the electric control system is electrically connected with the feeding branch pipes and used for controlling the feeding branch pipes to be opened or closed according to a preset time sequence, so that the multipoint, circulating and automatic and uniform feeding function is realized.
Description
Technical Field
The utility model relates to a sludge incineration handles technical field, especially relates to a half-dry mud multiple spot feed system of low-dryness fraction for realizing mud and domestic waste coprocessing.
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 system 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, and even the combustion condition of the whole garbage incineration system is adversely affected, so that the traditional sludge feeding mode is necessarily improved.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a low-dryness half-dry mud multiple spot feed system to the size of effective control sludge block and putting in the position for mud distributes more evenly in the stove, avoids the production that the bold becomes the mud that sticks together, realizes that mud evenly goes into stove, abundant ashes of burning, guarantees furnace temperature, residue discharge smoothly, continuous stable operation.
The utility model discloses half dry mud multiple spot feed system of low-dryness fraction, include: a feed distributor and an electronic control system; the feeding distributor is connected with the sludge conveying pipeline and comprises a feeding main pipe and a feeding branch pipe; the feeding branch pipes are axially distributed along the feeding main pipe and are communicated with the feeding main pipe; the electric control system is electrically connected with the feeding branch pipe and is used for controlling the feeding branch pipe to be opened or closed according to a preset time sequence.
Further, the low-dryness semi-dry sludge multi-point feeding system also comprises a cleaning branch pipe; the cleaning branch pipe is arranged at one end of the feeding main pipe and communicated with the feeding main pipe; the electric control system is electrically connected with the cleaning branch pipe.
Furthermore, in the low-dryness semi-dry sludge multi-point feeding system, the feeding branch pipe and the cleaning branch pipe are both connected with pneumatic valves; the pneumatic 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 system comprises a programmable controller and a solenoid valve box; the programmable controller is provided with an I/O module, and the I/O module is connected with the electromagnetic valve box, the pneumatic valve and the limit switch through signal cables; the electromagnetic valve box is also communicated with an air storage tank for storing compressed air and is used for being connected with a compressed air source.
Furthermore, in the low-dryness semi-dry sludge multi-point feeding system, the feeding branch pipe and the cleaning branch pipe are both connected with a star-shaped feeder; the star-shaped feeder is provided with a rotary switch and is used for detecting and feeding back the rotary state of the star-shaped feeder; the electric control system comprises a programmable controller and a solenoid valve box; the programmable controller is provided with an I/O module, and the I/O module is connected with the electromagnetic valve box, the star-shaped feeder and the rotary switch through signal cables; the electromagnetic valve box is also communicated with an air storage tank for storing compressed air and is used for being connected with a compressed air source.
Further, in the low-dryness semi-dry sludge multipoint feeding system, a pressure transmitter is arranged on the feeding main pipe; and the pressure transmitter 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.
Further, the low-dryness semi-dry sludge multi-point feeding system also comprises a spiral blockage removing device arranged at the tail end of the feeding main pipe; the spiral blockage removing device comprises a motor speed reducer and a spiral scraping sheet; the motor speed reducer is a variable frequency motor; the spiral scraping blade is arranged in the feeding mother pipe, and the thread pitch of the spiral scraping blade is non-uniform.
Further, the low-dryness semi-dry sludge multipoint feeding system also comprises a connecting short joint; the connecting short section is arranged between the motor reducer and the feeding main pipe.
Further, the low-dryness semi-dry sludge multi-point feeding system also comprises an electric control cabinet; the electrical control cabinet is electrically connected with the I/O module of the programmable controller; and the electrical control cabinet is also electrically connected with the motor reducer.
The utility model discloses in, set up the feed distributor at the mud pipeline end, the last a plurality of feed branch pipe that has of feed distributor, electrical system 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.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a block diagram of the multi-point feeding system for low-dryness semi-dry sludge according to the embodiment of the present invention;
fig. 2 is a schematic structural diagram of a feed distributor and a spiral blockage removing device in the embodiment of the low-dryness semi-dry sludge multi-point feeding system of the utility model.
Wherein the reference numerals are:
1 feed distributor
11 feeding main pipe
12 feeding branch pipe
13 cleaning branch pipe
14 pneumatic ball valve of feeding branch pipe
15 pneumatic ball valve for cleaning branch pipe
2 spiral blockage clearing device
21 electric speed reducer
22 spiral blade
23 connecting short joint
3 electric control system
31 PLC
32 electric control cabinet
33 electromagnetic valve box
34 gas storage tank
35 pressure transmitter
36 power source
A sludge conveying pipe interface
B workshop compressed air interface
Detailed Description
The embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
It should be noted that, in the case of no conflict, the features in the following embodiments and examples may be combined with each other; moreover, all other embodiments that can be derived by one of ordinary skill in the art from the embodiments disclosed herein without making any creative effort fall within the scope of the present disclosure.
It is noted that various aspects of the embodiments are described below within the scope of the appended claims. It should be apparent that the aspects described herein may be embodied in a wide variety of forms and that any specific structure and/or function described herein is merely illustrative. Based on the disclosure, one skilled in the art should appreciate that one aspect described herein may be implemented independently of any other aspects and that two or more of these aspects may be combined in various ways. For example, an apparatus may be implemented and/or a method practiced using any number of the aspects set forth herein. Additionally, such an apparatus may be implemented and/or such a method may be practiced using other structure and/or functionality in addition to one or more of the aspects set forth herein.
Referring to fig. 1 and 2, an embodiment of the multi-point feeding system for low-dryness semi-dry sludge of the present invention will be described.
The low-dryness half-dry sludge multipoint feeding system comprises: the device comprises a feeding distributor 1, a spiral blockage removing device 2 and an electric control system 3. The feed distributor 1 is connected to a sludge transfer pipe, and fig. 1 shows a schematic view of a sludge transfer pipe interface a. The feed distributor 1 comprises a feed main pipe 11 and a feed branch pipe 12. The feeding branch pipes 12 are distributed along the axial direction of the feeding main pipe 11 and are communicated with the feeding main pipe 11. The electronic control system 3 is electrically connected with the feeding branch pipe 12 and is used for controlling the feeding branch pipe 12 to be opened or closed according to a preset time sequence.
As can be seen from fig. 2, in this embodiment, the low-dryness semi-dry sludge multi-point feeding system further comprises a cleaning branch pipe 13. The cleaning branch pipe 13 is arranged at one end of the feeding main pipe 11 and communicated with the feeding main pipe 11. The electronic control system 3 is electrically connected with the cleaning branch pipe 13.
The feeding branch pipe 12 and the cleaning branch pipe 13 are connected with pneumatic valves. The pneumatic valve is provided with a limit switch for detecting and feeding back the opening and closing of the pneumatic valve. The electric control system 3 comprises a Programmable Logic Controller (PLC) 31 and a solenoid valve box 33; the PLC 31 is provided with an I/O module, which connects the solenoid valve housing 33, the pneumatic valve, and a limit switch through a signal cable. The solenoid valve box 33 is also communicated with an air storage tank 34 for storing compressed air, and is used for being connected with a compressed air source, and the air storage tank 34 is connected with workshop compressed air from a workshop compressed air interface B. The power supply 36 is used as a component of the electronic control system to supply power to the rest of the structure. In one embodiment, the power supply can be 380V or 220V, and can be selected according to actual needs. The utility model discloses do not do the restriction.
Of course, in particular implementations, a star feeder may be used instead of a pneumatic valve. The star-shaped feeder is provided with a rotary switch and is used for detecting and feeding back the rotating state of the star-shaped feeder.
In one embodiment, the pneumatic valve may be a pneumatic ball valve. For example, a feed manifold pneumatic ball valve 14 provided on the feed manifold 14, or a purge manifold pneumatic ball valve 15 provided on the purge manifold. The electromagnetic valve box 33 is connected with the feeding branch pneumatic ball valve 14 and the cleaning branch pneumatic ball valve 15 of the feeding distributor 1 to control the opening and closing of the feeding branch pneumatic ball valve and the cleaning branch pneumatic ball valve.
It can be seen that the PLC 31 controls the pneumatic valves or star-shaped feeders on the branch pipes of the feeding distributor 1 to be opened/closed according to a certain time sequence or to be opened at different rotating speeds simultaneously, so that the feeding branch pipes are sequentially and automatically fed circularly (or fed uniformly) 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.
The feeding main pipe 11 is provided with a pressure transmitter 35; the pressure transmitter 35 is electrically connected with an I/O module which can be arranged by the PLC 31 and is used for monitoring and feeding back the pressure of the sludge conveying pipeline.
In this embodiment, the spiral blockage removal device 2 is arranged at the tail end of the feeding main pipe 11. The spiral blockage removing device 2 comprises a motor speed reducer 21 and a spiral scraper 22. The motor reducer 21 is a variable frequency motor, the spiral scraper 22 is arranged in the feeding main pipe 11, and the electric reducer 21 drives the spiral scraper 22 to rotate in the feeding main pipe 11 at different rotating speeds, namely, the motor reducer 21 provides power and the controller runs. Also, the pitch of the helical blades 22 is non-uniform to provide greater propulsion.
In addition, the embodiment of the low-dryness half-dry sludge multipoint feeding system further comprises a connection short joint 23, the connection short joint 23 is arranged between the motor speed reducer 21 and the feeding main pipe 11, and the connection short joint 23 is used for sealing between the feeding distributor 1 and the motor speed reducer 21 and plays a role in leaking and discharging sludge.
An electrical control cabinet 32 is also included in this embodiment. The electrical control cabinet 32 includes electrical components such as a frequency converter and a circuit breaker. The electrical control cabinet 32 is electrically connected with the I/O module of the PLC 31; and the electrical control cabinet 32 is also electrically connected with the motor reducer 21 and is used for controlling the operation of the electric reducer 21 of the spiral blockage removing device 2.
In this embodiment, set up the feed distributor at sludge conveying pipeline end, the last a plurality of feed branch pipe that has of feed distributor has installed pneumatic ball valve on every feed branch pipe, through the switching of PLC control automatic switch-over pneumatic ball valve, has realized the multiple spot feed, the automatic even feed function of circulation. Meanwhile, the spiral blockage removing device is arranged for preventing the blockage of the sludge pipeline, and the spiral blockage removing device is started to remove and loosen the sludge in the feeding distributor after the feeding circulation is finished or when the pressure transmitter arranged on the feeding distributor main pipe detects a high pressure signal.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. The utility model provides a low-dryness half-dry mud multiple spot feed system which characterized in that includes:
a feed distributor and an electronic control system;
the feeding distributor is connected with the sludge conveying pipeline and comprises a feeding main pipe and a feeding branch pipe;
the feeding branch pipes are axially distributed along the feeding main pipe and are communicated with the feeding main pipe;
the electric control system is electrically connected with the feeding branch pipe and is used for controlling the feeding branch pipe to be opened or closed according to a preset time sequence.
2. The multi-point feeding system for low-dryness semi-dry sludge according to claim 1, further comprising,
cleaning the branch pipe;
the cleaning branch pipe is arranged at one end of the feeding main pipe and communicated with the feeding main pipe;
the electric control system is electrically connected with the cleaning branch pipe.
3. The multi-point feeding system for low-dryness semi-dry sludge according to claim 2,
the feeding branch pipe and the cleaning branch pipe are both connected with pneumatic valves;
the pneumatic 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 system comprises a programmable controller and a solenoid valve box;
the programmable controller is provided with an I/O module, and the I/O module is connected with the electromagnetic valve box, the pneumatic valve and the limit switch through signal cables;
the electromagnetic valve box is also communicated with an air storage tank for storing compressed air and is used for being connected with a compressed air source.
4. The multi-point feeding system for low-dryness semi-dry sludge according to claim 2,
the feeding branch pipe and the cleaning branch pipe are both connected with a star-shaped feeder;
the star-shaped feeder is provided with a rotary switch and is used for detecting and feeding back the rotary state of the star-shaped feeder;
the electric control system comprises a programmable controller and a solenoid valve box;
the programmable controller is provided with an I/O module, and the I/O module is connected with the electromagnetic valve box, the star-shaped feeder and the rotary switch through signal cables;
the electromagnetic valve box is also communicated with an air storage tank for storing compressed air and is used for being connected with a compressed air source.
5. The multi-point feeding system for low-dryness semi-dry sludge according to claim 3 or 4,
a pressure transmitter is arranged on the feeding main pipe;
and the pressure transmitter 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.
6. The multi-point feeding system for low-dryness semi-dry sludge according to claim 5, further comprising:
the spiral blockage removing device is arranged at the tail end of the feeding main pipe;
the spiral blockage removing device comprises a motor speed reducer and a spiral scraping sheet;
the motor speed reducer is a variable frequency motor;
the spiral scraping blade is arranged in the feeding mother pipe, and the thread pitch of the spiral scraping blade is non-uniform.
7. The multi-point feeding system for low-dryness semi-dry sludge according to claim 6, further comprising:
connecting short sections;
the connecting short section is arranged between the motor reducer and the feeding main pipe.
8. The multi-point feeding system for low-dryness semi-dry sludge according to claim 7,
the electric control cabinet is also included;
the electrical control cabinet is electrically connected with the I/O module of the programmable controller; and is
The electrical control cabinet is also electrically connected with the motor reducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021364697.8U CN213146577U (en) | 2020-07-13 | 2020-07-13 | Low-dryness half-dry sludge multipoint feeding system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021364697.8U CN213146577U (en) | 2020-07-13 | 2020-07-13 | Low-dryness half-dry sludge multipoint feeding system |
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| Publication Number | Publication Date |
|---|---|
| CN213146577U true CN213146577U (en) | 2021-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021364697.8U Active CN213146577U (en) | 2020-07-13 | 2020-07-13 | Low-dryness half-dry sludge multipoint feeding system |
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| Country | Link |
|---|---|
| CN (1) | CN213146577U (en) |
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2020
- 2020-07-13 CN CN202021364697.8U patent/CN213146577U/en active Active
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