CN108657822A - A kind of mud positive pneumatic conveying system - Google Patents
A kind of mud positive pneumatic conveying system Download PDFInfo
- Publication number
- CN108657822A CN108657822A CN201810695258.6A CN201810695258A CN108657822A CN 108657822 A CN108657822 A CN 108657822A CN 201810695258 A CN201810695258 A CN 201810695258A CN 108657822 A CN108657822 A CN 108657822A
- Authority
- CN
- China
- Prior art keywords
- air delivering
- pipeline
- scn
- outlet
- pneumatic conveying
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000463 material Substances 0.000 claims abstract description 43
- 239000002002 slurry Substances 0.000 claims abstract description 12
- 238000007599 discharging Methods 0.000 claims abstract description 11
- 238000005086 pumping Methods 0.000 claims abstract description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 239000000428 dust Substances 0.000 abstract description 2
- 230000007613 environmental effect Effects 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000012377 drug delivery Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005243 fluidization Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
- B65G53/04—Conveying materials in bulk pneumatically through pipes or tubes; Air slides
- B65G53/16—Gas pressure systems operating with fluidisation of the materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
- B65G53/34—Details
- B65G53/40—Feeding or discharging devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
- B65G53/34—Details
- B65G53/58—Devices for accelerating or decelerating flow of the materials; Use of pressure generators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
- B65G53/34—Details
- B65G53/66—Use of indicator or control devices, e.g. for controlling gas pressure, for controlling proportions of material and gas, for indicating or preventing jamming of material
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air Transport Of Granular Materials (AREA)
Abstract
The invention discloses a kind of mud positive pneumatic conveying systems, including slurry transportation pumping system, air supply system and pipe-line system, slurry transportation pumping system includes feed hopper, with the SCN of the discharge port piping connection of feed hopper pumps and the first material transmitter being connected with the outlet of SCN pumps, air supply system includes air accumulator, the main air delivering pipeline being connected with the gas outlet of air accumulator and three branch air delivering pipelines being connected with main air delivering pipeline, pipe-line system includes the conveyance conduit being connected with discharging valve outlet, the outlet end of conveyance conduit is connected by wear-resistant bend with terminal library, present invention reduces conveying air consumptions to save operation energy consumption, realize mud positive pneumatic conveying system environmental protection, efficiently, stablize, use site is without airborne dust, No leakage, system conveying nothing gets stuck, not putty.
Description
Technical field
The present invention relates to product mud positive pneumatic transport field more particularly to a kind of mud positive pneumatic conveying systems.
Background technology
It is well known that positive pneumatic conveying system is suitable for dry, granular material conveying.Because of water-containing materials, especially
It is that the big material of water content (mud) is easy to deposit in the duct, hardened cannot keep water content or material sticks in pipe
Road inner wall.Therefore there is no mud positive pneumatic conveying system on domestic market.For this purpose, it is proposed that a kind of novel, energy-saving ring
Protecting, positive pressure mud air-transport system that maintenance is low solves the above problems.
Invention content
The purpose of the present invention is to solve disadvantages existing in the prior art, and a kind of mud positive-pressure pneumatic proposed is defeated
Send system.
To achieve the goals above, present invention employs following technical solutions：
A kind of mud positive pneumatic conveying system, including slurry transportation pumping system, air supply system and pipe-line system, the mud
Slurry drug delivery pump system includes the outlet that the SCN of the discharge port piping connection of feed hopper and the feed hopper is pumped and pumped with the SCN
The first material transmitter being connected is provided with inlet valve on the pipeline between the feed hopper and SCN pumps, the SCN pumps by
The pump housing and the discharging elbow composition being fixedly connected with the pump housing, the pipeline between the outlet and first material transmitter of the SCN pumps
On be provided with outlet valve；
The air supply system include air accumulator, the main air delivering pipeline being connected with the gas outlet of the air accumulator and with it is described
Three branch air delivering pipelines that main air delivering pipeline is connected, three branch air delivering pipelines include first to be connected with the pump housing
Branch air delivering pipeline is connected with second air delivering pipeline being connected of discharging elbow and with the first material transmitter
Third branch air delivering pipeline is both provided with switch valve on three branch air delivering pipelines；
The pipe-line system includes the conveyance conduit being connected with the discharging valve outlet, the outlet end of the conveyance conduit
It is connected with terminal library by wear-resistant bend.
Further, it is provided with second material transmitter on the conveyance conduit, is provided on the main air delivering pipeline
The gas outlet of four air delivering pipelines, the 4th air delivering pipeline is connected with the second material transmitter.
Further, it is provided with blow-off pipe on the pipeline between the first material transmitter and second material transmitter
Road is provided with unimpeded valve on the blowoff line.
Further, the conveyance conduit uses seamless steel pipe.
Further, further include control system, the control system includes for sending out instruction and recycling feedback signal
Upper location supervisory, the upper location supervisory are electrically connected PLC control system, the PLC control system and solenoid valve box on the spot
Electrical connection, the PLC control system are led to for receiving the electric signal that the upper location supervisory is sent out, and by electric signal transmission
Control cable control solenoid valve box on the spot is crossed, and feedback signal is recycled by controlling cable, and finally feeds back to upper monitoring system
In system.
Further, the SCN pumps are taper.
Compared with prior art, the advantages of the present invention are：
The present invention utilizes positive pneumatic transport pattern, and the promotion of mud discharging speed is realized using material transmitter, is prevented
Bulky grain mud deposits in the duct, at the same it is limited prevent because mud particle it is big caused by become flat, reduce conveying air consumption
To save operation energy consumption, the environmental protection of mud positive pneumatic conveying system, efficient, stabilization are realized, use site is let out without airborne dust, nothing
Leakage, system conveying nothing gets stuck, not the advantages that putty.
Description of the drawings
Fig. 1 is a kind of overall structure diagram of mud positive pneumatic conveying system of the present invention；
Fig. 2 is that a kind of structure of the control system of mud positive pneumatic conveying system of the present invention connects schematic diagram.
In figure：1- feed hoppers；2-SCN is pumped；3- first material transmitters；4- inlet valves；5- outlet valves；6- air accumulators；7-
Main air delivering pipeline；First air delivering pipeline of 8-；Second air delivering pipeline of 9-；10- third branch air delivering pipelines；11- switch valves；12-
Gas pipeline；13- wear-resistant bends；14- terminal libraries；15- second material transmitters；The 4th air delivering pipeline of 16-；17- blow-off pipes
Road；18- unimpeded valves；19- control systems；20- upper location supervisories；21-PLC control systems；22- solenoid valve box on the spot.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig.1-2, a kind of mud positive pneumatic conveying system, including slurry transportation pumping system, air supply system and pipeline
System, the slurry transportation pumping system includes feed hopper 1, with the SCN pumps 2 of the discharge port piping connection of the feed hopper 1 and with
The first material transmitter 3 that the outlet of the SCN pumps 2 is connected, the feed hopper 1 and SCN are pumped to be provided on the pipeline between 2
Inlet valve 4, the SCN pumps 2 are made of the pump housing 201 and the discharging elbow 202 being fixedly connected with the pump housing 201, the SCN pumps 2
It is provided with outlet valve 5 on pipeline between outlet and first material transmitter 3；
The air supply system include air accumulator 6, the main air delivering pipeline 7 being connected with the gas outlet of the air accumulator 6 and with
Three branch air delivering pipelines that the main air delivering pipeline 7 is connected, three branch air delivering pipelines include being connected with the pump housing 2
First air delivering pipeline 8, send out with second air delivering pipeline 9 being connected of discharging elbow 202 and with the first material
The third branch air delivering pipeline 10 that emitter 3 is connected is both provided with switch valve 11 on three branch air delivering pipelines；
The pipe-line system includes exporting the conveyance conduit 12 being connected with the outlet valve 5, the conveyance conduit 12
Outlet end is connected by wear-resistant bend 13 with terminal library 14.
Material of the present invention is entered by feed hopper 1 in SCN pumps 2, and delivers compressed air to SCN by air supply system
In pump 2 and in material transmitter, and material is delivered in pipe-line system by material transmitter, finally material is made to enter end
It holds in library 14, the wherein SCN pump big maximum output of 2 conveying capacitys can reach 8t/h, and material transmitter is empty using compression
Gas realizes that material material in conveyance conduit accelerates, and to realize the promotion of mud discharging speed, prevents bulky grain mud in pipeline
Middle deposition, at the same it is limited prevent because mud particle it is big caused by become flat, reduce conveying air consumption to save operation energy consumption.
Further, it is provided with second material transmitter 15 on the conveyance conduit 12, is arranged on the main air delivering pipeline 7
There are the 4th air delivering pipeline 16, the gas outlet of the 4th air delivering pipeline 16 to be connected with the second material transmitter 15,
It is further added by a material transmitter on conveyance conduit 12, can further promote the conveying of material, effectively prevent material defeated
It send and blocks or precipitate on pipeline 12.
Further, it is provided with blowdown on the pipeline between the first material transmitter 3 and second material transmitter 15
Pipeline 17 is provided with unimpeded valve 18 on the blowoff line 17, can periodically be safeguarded, be prevented to pipeline by unimpeded valve 18
Pipeline blockage.
Further, the conveyance conduit 12 uses seamless steel pipe, and arrangement is simple and convenient, and easy access is safeguarded, and is set
It is small to set 12 bore of conveyance conduit, 12 bore of general conveyance conduit is no more than 150mm, is conducive to the pipe-line maintenance work at scene.
Further, further include control system 19, the control system 19 includes for sending out instruction and recycling feedback letter
Number upper location supervisory 20, the upper location supervisory 20 be electrically connected PLC control system 21, the PLC control system 21 with
Solenoid valve box 22 is electrically connected on the spot, and the solenoid valve box on the spot 22 is switched on and closed for each in control system, institute
PLC control system 21 is stated for receiving the electric signal that the upper location supervisory 20 is sent out, and control is passed through by electric signal transmission
Cable processed controls solenoid valve box 22 on the spot, and recycles feedback signal by controlling cable, and finally feeds back to upper location supervisory
In 20, the setting of entire control system 19 makes entire positive pressure slurry transportation system realize and automates on SCN pumps 2, automatic blanking,
Automatic detection material is full, automatic to convey, and is automatically stopped, scene does not need manual operation, fully achieves automation, upper location supervisory
The working order of equipment in entire positive pressure mud air-transport system can be monitored in 20, it can be enterprising in upper location supervisory 20
Row time of delivery is arranged, transport cycle setting etc..
Further, the SCN pumps 2 are taper, and unique conical design, space is small, and dischargeable capacity is big, arrangement letter
It is single flexibly to be used with mud, can also multipoint-parallel arrangement, be suitable for different slurry transportation scenes.
The present invention the course of work be：First by slurry transportation to feed hopper 1, inlet valve 3 is opened, and mud is in gravity
It is dropped under effect in SCN pumps 2, after charging, control inlet valve 3 is closed, while outlet valve 5 is opened, and air supply system starts
Air inlet, to mud carry out fluidisation inflation, first material transmitter 3 and second material transmitter 15 by compressed air to mud into
Row material accelerates, and in slurry transportation to conveyance conduit 12, it is made smoothly to be transported in terminal library 14, and control system detection is defeated
The discharge pressure in pump and pipeline is sent, after discharge pressure rises and smoothly drops to setting value, air supply system stops gas supply, defeated
A cycle is sent to terminate, above procedure moves in circles.
When the pipeline pressure that control system 19 detects is more than the plugging pressure of setting and is chronically at high pressure conditions,
Control system 19 controls unimpeded valve 18 and opens progress automatically tackling blockage, until pipeline pressure carries out system again after being reduced to setting value
Gas supply is opened, automatic to convey, this mud positive pneumatic conveying system has automatic discharging function, is not necessarily to artificial interference.
More than, it is merely preferred embodiments of the present invention, but scope of protection of the present invention is not limited thereto, it is any
Those familiar with the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its invents
Design is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (6)
1. a kind of mud positive pneumatic conveying system, including slurry transportation pumping system, air supply system and pipe-line system, feature exist
In：The slurry transportation pumping system includes feed hopper (1), the SCN pumps (2) with the discharge port piping connection of the feed hopper (1)
The first material transmitter (3) being connected with the outlet for pumping (2) with the SCN, between the feed hopper (1) and SCN pumps (2)
Inlet valve (4) is provided on pipeline, the SCN pumps (2) are by the pump housing (201) and the discharging elbow being fixedly connected with the pump housing (201)
(202) it forms, outlet valve (5) is provided on the pipeline between the outlet and first material transmitter (3) of the SCN pumps (2)；
The air supply system include air accumulator (6), the main air delivering pipeline (7) being connected with the gas outlet of the air accumulator (6) and
Three branch air delivering pipelines being connected with the main air delivering pipeline (7), three branch air delivering pipelines include and the pump housing (2)
First air delivering pipeline (8) being connected, second air delivering pipeline (9) being connected with the discharging elbow (202) and with institute
The third branch air delivering pipeline (10) that first material transmitter (3) is connected is stated, is both provided with out on three branch air delivering pipelines
Close valve (11)；
The pipe-line system includes exporting the conveyance conduit (12) being connected, the conveyance conduit (12) with the outlet valve (5)
Outlet end be connected with terminal library (14) by wear-resistant bend (13).
2. a kind of mud positive pneumatic conveying system according to claim 1, it is characterised in that：The conveyance conduit (12)
On be provided with second material transmitter (15), be provided with the 4th air delivering pipeline (16) on the main air delivering pipeline (7), described
The gas outlet of four air delivering pipelines (16) is connected with the second material transmitter (15).
3. a kind of mud positive pneumatic conveying system according to claim 2, it is characterised in that：The first material transmitting
It is provided with blowoff line (17) on pipeline between device (3) and second material transmitter (15), is set on the blowoff line (17)
It is equipped with unimpeded valve (18).
4. a kind of mud positive pneumatic conveying system according to claim 1, it is characterised in that：The conveyance conduit (12)
Using seamless steel pipe.
5. a kind of mud positive pneumatic conveying system according to claim 1, it is characterised in that：It further include control system
(19), the control system (19) include for send out instruction and recycle feedback signal upper location supervisory (20), it is described on
Position monitoring system (20) is electrically connected PLC control system (21), and the PLC control system (21) is electrically connected with solenoid valve box on the spot (22)
It connects, the PLC control system (21) is passed for receiving the electric signal that the upper location supervisory (20) is sent out by electric signal
It is defeated to recycle feedback signal by controlling cable control solenoid valve box (22) on the spot, and by control cable, and finally feed back to
In position monitoring system (20).
6. a kind of mud positive pneumatic conveying system according to claim 1, which is characterized in that the SCN pumps (2) are cone
Shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810695258.6A CN108657822A (en) | 2018-06-29 | 2018-06-29 | A kind of mud positive pneumatic conveying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810695258.6A CN108657822A (en) | 2018-06-29 | 2018-06-29 | A kind of mud positive pneumatic conveying system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108657822A true CN108657822A (en) | 2018-10-16 |
Family
ID=63773105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810695258.6A Pending CN108657822A (en) | 2018-06-29 | 2018-06-29 | A kind of mud positive pneumatic conveying system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108657822A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109404000A (en) * | 2018-11-15 | 2019-03-01 | 中铁工程装备集团有限公司 | A kind of vacuum sewerage vertical hoisting system and its method for discharging pollution |
| CN109399213A (en) * | 2018-11-15 | 2019-03-01 | 中铁工程装备集团有限公司 | A kind of vacuum intake drug delivery pump system |
| CN110510408A (en) * | 2019-09-20 | 2019-11-29 | 天津市实达电力设备有限公司 | A kind of high pressure air-transport system of granular material |
| CN112875304A (en) * | 2021-01-29 | 2021-06-01 | 深圳市昌达生物环保科技有限公司 | Organic garbage conveying system |
| CN113443442A (en) * | 2021-07-14 | 2021-09-28 | 河北苹乐面粉机械集团有限公司 | Pressure sensing positive pressure conveying control method |
| CN113562468A (en) * | 2021-08-06 | 2021-10-29 | 山西金驹煤电化有限责任公司 | In-situ one-key starting method for preparing pneumatic conveying system based on reducing agent |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205187365U (en) * | 2015-12-03 | 2016-04-27 | 华电新疆发电有限公司昌吉热电厂 | Stone coal malleation air conveying system |
-
2018
- 2018-06-29 CN CN201810695258.6A patent/CN108657822A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205187365U (en) * | 2015-12-03 | 2016-04-27 | 华电新疆发电有限公司昌吉热电厂 | Stone coal malleation air conveying system |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109404000A (en) * | 2018-11-15 | 2019-03-01 | 中铁工程装备集团有限公司 | A kind of vacuum sewerage vertical hoisting system and its method for discharging pollution |
| CN109399213A (en) * | 2018-11-15 | 2019-03-01 | 中铁工程装备集团有限公司 | A kind of vacuum intake drug delivery pump system |
| CN109404000B (en) * | 2018-11-15 | 2024-05-14 | 中铁工程装备集团有限公司 | Vacuum sewage vertical lifting system and sewage method thereof |
| CN110510408A (en) * | 2019-09-20 | 2019-11-29 | 天津市实达电力设备有限公司 | A kind of high pressure air-transport system of granular material |
| CN112875304A (en) * | 2021-01-29 | 2021-06-01 | 深圳市昌达生物环保科技有限公司 | Organic garbage conveying system |
| CN113443442A (en) * | 2021-07-14 | 2021-09-28 | 河北苹乐面粉机械集团有限公司 | Pressure sensing positive pressure conveying control method |
| CN113562468A (en) * | 2021-08-06 | 2021-10-29 | 山西金驹煤电化有限责任公司 | In-situ one-key starting method for preparing pneumatic conveying system based on reducing agent |
| CN113562468B (en) * | 2021-08-06 | 2022-11-18 | 山西金驹煤电化有限责任公司 | In-situ one-key starting method for preparing pneumatic conveying system based on reducing agent |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108657822A (en) | A kind of mud positive pneumatic conveying system | |
| CN203682609U (en) | Pneumatic dust delivery device of boiler electric dust precipitation system | |
| CN101863383A (en) | High-pressure continuous dense-phase biomass powder conveying device with height of delivery outlet adjustable | |
| CN106516753A (en) | Storehouse pump ash conveying device | |
| CN112193837B (en) | Self-induction constant-pressure mining material remote pneumatic conveying system | |
| CN108622661A (en) | A kind of air-transport system | |
| CN109205199A (en) | A kind of powdered activated carbon remote delivery system | |
| CN207226492U (en) | A kind of close mutually defeated grey process system of novel positive pressure | |
| CN206407636U (en) | Blow tank conveying device | |
| CN205187365U (en) | Stone coal malleation air conveying system | |
| CN208431789U (en) | Industrial Boiler pneumatic ash transmitting system | |
| CN215478338U (en) | Receiving tank for pneumatic conveying of fly ash guniting material | |
| CN113044577B (en) | Pneumatic ash conveying system of coal-fired power plant | |
| CN109178945B (en) | Dense-phase pneumatic conveying system based on flow state and pressure characteristic joint control | |
| CN101804380B (en) | High-efficiency environment-friendly type negative-pressure pneumatic transmission system for pebble coal | |
| CN210418403U (en) | Positive-pressure pneumatic conveying system for slurry | |
| CN207957120U (en) | A kind of powder delivery system | |
| CN105180185A (en) | Air-cooled dry slag extractor with pneumatic transmission system and control method of air-cooled dry slag extractor | |
| CN206927271U (en) | The Anti-blocking structure of Industrial Boiler electric precipitation pneumatic ash transmitting system | |
| CN110171713A (en) | A kind of air-transport system with automatic block clearing valve | |
| CN218847046U (en) | Negative pressure material-sucking and charging machine | |
| CN218173907U (en) | Pneumatic dense-phase material conveying system | |
| CN217996033U (en) | Pneumatic conveying sending section and pneumatic conveying device | |
| CN219906096U (en) | Pneumatic conveying system for unloading steel plate bin | |
| CN2778830Y (en) | Ash conveying equipment for blast furnace gas dry method dust collection tanker |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181016 |