CN110523333B - Pipeline conveying type coal slurry recycling device and recycling method thereof - Google Patents
Pipeline conveying type coal slurry recycling device and recycling method thereof Download PDFInfo
- Publication number
- CN110523333B CN110523333B CN201910887243.4A CN201910887243A CN110523333B CN 110523333 B CN110523333 B CN 110523333B CN 201910887243 A CN201910887243 A CN 201910887243A CN 110523333 B CN110523333 B CN 110523333B
- Authority
- CN
- China
- Prior art keywords
- slurry
- coal slurry
- coal
- pipeline
- clear water
- 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.)
- Active
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/02—Settling tanks with single outlets for the separated liquid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/50—Mixing liquids with solids
- B01F23/51—Methods thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/50—Mixing liquids with solids
- B01F23/53—Mixing liquids with solids using driven stirrers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/80—Mixing plants; Combinations of mixers
- B01F33/82—Combinations of dissimilar mixers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/80—Mixing plants; Combinations of mixers
- B01F33/82—Combinations of dissimilar mixers
- B01F33/821—Combinations of dissimilar mixers with consecutive receptacles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/20—Measuring; Control or regulation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/71—Feed mechanisms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/75—Discharge mechanisms
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L1/00—Liquid carbonaceous fuels
- C10L1/32—Liquid carbonaceous fuels consisting of coal-oil suspensions or aqueous emulsions or oil emulsions
- C10L1/326—Coal-water suspensions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
- B01F2101/505—Mixing fuel and water or other fluids to obtain liquid fuel emulsions
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Liquid Carbonaceous Fuels (AREA)
- Paper (AREA)
Abstract
A pipeline-conveyed coal slurry recovery device comprises a lifting device, a control box, a submersible slurry pump, a submersible stirrer, a liquid level meter, a coal slurry pipeline, a coal slurry tank and a container, wherein the lifting device is arranged beside a waste slurry pool, the submersible slurry pump is suspended in the waste slurry pool, the submersible stirrer is arranged inside coal slurry in the waste slurry pool, the liquid level meter is used for measuring the liquid level of the coal slurry in the waste slurry pool, the coal slurry pipeline is communicated with the submersible slurry pump through a hose, the coal slurry tank is positioned at the tail end of the coal slurry pipeline, and the container is used for carrying; the lifting device can lift the submersible slurry pump, a slurry control valve is arranged on the slurry pipeline, a clear water pipeline is communicated with the pipeline between the head end of the slurry pipeline and the slurry control valve, a clear water control valve is arranged on the clear water pipeline, and a clear water tank is arranged at the tail end of the clear water pipeline; a stirrer is arranged in the coal slurry tank; the coal slurry with stable concentration is convenient to be mixed into the slurry preparation process for recycling, the coal slurry recycling efficiency is improved, and the coal slurry recycling device and method are energy-saving, economical, green and environment-friendly.
Description
Technical Field
The invention relates to a coal slurry recovery device, in particular to a pipeline conveying type coal slurry recovery device and a recovery method thereof.
Background
The pipeline coal conveying technology is a technology for conveying coal by using water as a carrier. The raw coal for coal mining is washed, crushed and ground to prepare coal slurry with proper granularity gradation and concentration, and the coal slurry is relayed and conveyed to a terminal user through a pipeline and a high-pressure pump. With the requirements of national environmental protection policy and the aim of reducing coal transportation cost and improving quality and efficiency of coal enterprises, the application market of the pipeline coal transportation technology is continuously expanding. Compared with gasified coal water slurry and fuel coal water slurry, the pipeline-conveyed coal slurry has relatively low weight concentration, the weight concentration range of 51-55 percent and relatively coarse granularity, and does not need to add a medicament during preparation. During production debugging, pipeline flushing or accident states of the prepared pipeline transportation type coal slurry, unqualified coal slurry with concentration not meeting the transportation requirement can be generated, and the unqualified coal slurry is stored in a waste slurry tank. Because the fluctuation range of the concentration of the unqualified coal slurry is large, the direct recycling seriously influences the stability of the working condition of the pulping system. The existing coal slurry recovery method generally adopts a mode of pulling back to a coal yard for recycling after air drying. The disadvantages of this method are the long treatment period; is greatly influenced by weather; water resources for preparing coal slurry are wasted; after being dried, coal dust is easy to generate to pollute the environment.
Disclosure of Invention
The invention aims to solve the problem that the coal slurry recovery method in the prior art generally adopts a mode of pulling back the coal yard for recycling after air drying. The disadvantages of this method are the long treatment period; is greatly influenced by weather; water resources for preparing coal slurry are wasted; the problem that the environment is polluted by coal dust easily generated after the air drying.
The technical scheme adopted by the invention is as follows: a pipeline-conveyed coal slurry recovery device comprises a lifting device, a control box, a submersible slurry pump, a submersible stirrer, a liquid level meter, a coal slurry pipeline, a coal slurry tank and a container, wherein the lifting device is arranged beside a waste slurry pool, the submersible slurry pump is suspended in the waste slurry pool, the submersible stirrer is arranged inside coal slurry in the waste slurry pool, the liquid level meter is used for measuring the liquid level of the coal slurry in the waste slurry pool, the coal slurry pipeline is communicated with the submersible slurry pump through a hose, the coal slurry tank is positioned at the tail end of the coal slurry pipeline, and the container is used for carrying; the lifting device can lift the submersible slurry pump, a slurry control valve is arranged on the slurry pipeline, a clear water pipeline is communicated with the pipeline between the head end of the slurry pipeline and the slurry control valve, a clear water control valve is arranged on the clear water pipeline, and a clear water tank is arranged at the tail end of the clear water pipeline; a stirrer is arranged in the coal slurry tank.
Further, elevating gear includes the motor, with the supporting variable speed switching-over gear case of motor, with variable speed switching-over gear case output fixed connection's rotary rod and the winding rope on the rotary rod, the lower extreme and the dive sediment stuff pump fixed connection of rope.
Further, the container is a measuring cylinder with scales capable of being observed.
Further, the liquid level meter is an ultrasonic liquid level meter.
Furthermore, the hose is fixedly connected with the coal slurry pipeline through a flange.
The invention has the advantages and characteristics that:
(1) the method can be used for recovering unqualified slurry produced in the preparation process of pipeline transportation type slurry; the coal slurry with stable concentration is convenient to be doped into the slurry preparation process for recycling, so that the coal slurry recycling efficiency is improved;
(2) the concentration of the recovered coal slurry can be flexibly adjusted according to the amount of the recovered clear water;
(3) the device and the method have short treatment period, are not influenced by weather, not only recover coal resources, but also recover water resources for preparing coal slurry, and avoid the condition that the environment is polluted by coal dust generated by airing and transferring; the coal slurry recovery device and the method are energy-saving, economical, green and environment-friendly.
Drawings
FIG. 1 is a schematic overall structure of a preferred embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a lifting device according to a preferred embodiment of the present invention;
FIG. 3 is a schematic diagram of a vessel for a settling test according to a preferred embodiment of the present invention;
the reference numbers in the figures denote: 1-a lifting device; 1-1-motor, 1-2-speed change reversing gear box, 1-3-rotating rod, 1-4-rope and 2-flange; 3-coal slurry pipeline, 3-1-coal slurry control valve; 4-a coal slurry tank; 5-a stirrer; 6-clean water tank; 7-a liquid level meter; 8-a submersible stirrer; 9-a waste pulp tank; 10-a hose; 11-a submersible slurry pump; 12-a control box; 13-clear water pipeline; 13-1-clear water control valve; 14-container, a-clear water section; b-a mixing section; c-a precipitation section; l represents the height of the clear water section; h represents the total height of the coal slurry;
Detailed Description
The invention is further illustrated with reference to the accompanying drawings:
example 1:
referring to fig. 1 and 2, a pipeline-conveyed coal slurry recycling device includes a lifting device 1 installed beside a waste slurry tank 9, a control box 12, a submersible slurry pump 11 suspended in the waste slurry tank 9, a submersible stirrer 8 arranged inside coal slurry in the waste slurry tank 9, a level meter 7 for measuring the level of the coal slurry in the waste slurry tank 9, a coal slurry pipeline 3 (preferably, the hose 10 is fixedly connected with the coal slurry pipeline 3 through a flange 2) communicated with the submersible slurry pump 11 through a hose 10, a coal slurry tank 4 located at the tail end of the coal slurry pipeline 3, and a container 14 for performing a settling test on a coal slurry sample; the lifting device 1 can lift the submersible slurry pump 11, a slurry control valve 3-1 is arranged on the slurry pipeline 3, a clear water pipeline 13 is communicated with a pipeline between the head end of the slurry pipeline 3 and the slurry control valve 3-1, a clear water control valve 13-1 is arranged on the clear water pipeline 13, and a clear water tank 6 is arranged at the tail end of the clear water pipeline 13; a stirrer 5 is arranged in the coal slurry tank 4.
Specifically, the lifting device 1 comprises a motor 1-1, a speed change reversing gear box 1-2 matched with the motor, a rotating rod 1-3 fixedly connected with the output end of the speed change reversing gear box 1-2, and a rope 1-4 wound on the rotating rod 1-3, wherein the lower end of the rope 1-4 is fixedly connected with a submersible slurry pump 11.
Example 2:
the difference from the embodiment 1 is that the container 14 is a graduated cylinder which can be observed; the liquid level meter 7 is an ultrasonic liquid level meter.
The recovery method of the pipeline transportation type coal slurry recovery device comprises the following steps:
(1) firstly, testing a coal sample used for preparing coal slurry, and measuring the true density rho of the coal sample;
(2) the unqualified coal slurry stored in the waste slurry pool 9 is fully and uniformly stirred by a submersible stirrer and then sampled, and a part of the unqualified coal slurry is tested to detect the weight concentration of the unqualified coal slurry as C; at this time, the unqualified coal slurry density is
(all parameters in the formula adopt an international system of units,/represents division);
the calculation formula explains that: density-weight/volume; assuming that the unqualified coal slurry with the weight of 1 has the volume which is the true volume (C/rho) of coal in the coal slurry plus the volume (1-C) of water in the coal slurry, so that the density of the unqualified coal slurry is 1/(C/rho + 1-C);
(3) taking a part of the coal slurry sample, placing the part of the coal slurry sample into a container 14 for a natural settling test, and measuring the total height H of the coal slurry in the container 14;
(4) observing the height of the supernatant liquid on the settled slurry in the container 14 at intervals of 2h, 4h, 8h, 16h and 24h … … respectively until the height of the supernatant liquid is not changed any more, recording the height of the supernatant liquid as L at the moment, and settling for a stable time as t;
(5) closing the submersible stirrer 8 in the waste slurry pool 9, and reading the total height S of the coal slurry in the waste slurry pool from the liquid level meter 7 after the liquid level of the slurry is stable;
(6) after the standing time of the coal slurry in the waste slurry tank 9 reaches t, calculating according to a formula, wherein the height of a clear water section of the waste slurry tank is S (L/H);
(7) the lifting device 1 is controlled by a control button on the control box 13, the lifting device 1 drives the submersible slurry pump 11 and the connected hose 10 to enter a clear water section for standing the coal slurry in the waste slurry pool 9;
(8) opening a clean water control valve 13-1 on a clean water pipeline 13, closing a coal slurry control valve 3-1 going to a coal slurry tank 4, starting a submersible slurry pump 11, and recycling clean water into a clean water tank 6;
(9) after the clean water in the waste slurry pool 9 is completely recovered, the submersible slurry pump 11 is closed, the submersible stirrer 8 is opened, and the coal slurry in the waste slurry pool is uniformly stirred;
(10) after the coal slurry is uniformly stirred, the submersible slurry pump 11 and the connected hose 10 are lowered into the coal slurry section of the waste slurry pool through the lifting device 1;
(11) closing a clear water control valve 13-1 on a clear water pipeline 13, and opening a coal slurry control valve 3-1 going to a coal slurry tank 4;
(12) restarting the submersible slurry pump 11, recovering the coal slurry into the coal slurry tank 4, and starting the stirrer 5;
(13) the concentration of the coal slurry recovered at this time is
(all parameters in the formula adopt an international unit system, and multiplication is expressed);
the calculation formula explains that:
the concentration of the coal slurry after the clean water is recovered is equal to the dry coal amount in the coal slurry/the total weight of the coal slurry after the clean water is recovered;
the concentration of the recovered coal slurry is (the total volume of the coal slurry in the waste slurry tank x the density of the coal slurry x the concentration of the coal slurry before the recovery of the clear water)/(the total weight of the coal slurry after the recovery of the clear water);
the concentration of the coal slurry after the clear water is recovered is A, S, C (1/(C/rho +1-C))/(A, S (1/(C/rho +1-C)) -A, S (L/H)); a is the area of the bottom of the waste slurry tank
Obtaining the coal slurry with the concentration of C, H, rho/(H, rho-L, C-L, rho + C, rho) after clean water is recovered;
(14) regulating the concentration of the recovered coal slurry by controlling the clear water amount of the recovered waste slurry tank;
(15) the coal slurry reaching the set concentration is stored in the coal slurry tank 4 and enters a coal slurry preparation production line for recycling according to the pulping process.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only for the purpose of illustrating the structural relationship and principles of the present invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. A method for recovering pipeline-conveyed coal slurry is characterized by comprising the following steps:
(1) firstly, testing a coal sample used for preparing coal slurry, and measuring the true density rho of the coal sample;
(2) the unqualified coal slurry stored in the waste slurry pool (9) is fully and uniformly stirred by a submersible stirrer and then sampled, and a part of the unqualified coal slurry is tested to detect the weight concentration of the unqualified coal slurry as C; at this time, the unqualified coal slurry density is
(3) Taking a part of the coal slurry sample, putting the part of the coal slurry sample into a container (14) for a natural settling test, and measuring the total height H of the coal slurry in the container (14);
(4) observing the height of the supernatant on the settled slurry in the container (14) at intervals of 2h, 4h, 8h, 16h and 24h … … respectively until the height of the supernatant is not changed any more, recording the height of the supernatant as L at the moment, and setting the supernatant for a stable time as t;
(5) closing the submersible stirrer (8) in the waste slurry pool (9), and reading the total height S of the coal slurry in the waste slurry pool from the liquid level meter (7) after the liquid level of the slurry is stable;
(6) after the standing time of the coal slurry in the waste slurry tank (9) reaches t, calculating according to a formula, wherein the height of a clear water section of the waste slurry tank is S (L/H);
(7) the lifting device (1) is controlled by a control button on the control box (12), the lifting device (1) drives a submersible slurry pump (11) and a connected hose (10) to enter a clear water section for standing coal slurry in the waste slurry pool (9);
(8) opening a clear water control valve (13-1) on a clear water pipeline (13), closing a coal slurry control valve (3-1) going to a coal slurry tank (4), starting a submersible slurry pump (11), and recycling clear water into a clear water tank (6);
(9) after the clean water in the waste slurry pool (9) is recovered, closing the submersible slurry pump (11), opening the submersible stirrer (8), and uniformly stirring the coal slurry in the waste slurry pool;
(10) after the coal slurry is uniformly stirred, the submersible slurry pump (11) and the connected hose (10) are lowered into the coal slurry section of the waste slurry pool through the lifting device (1);
(11) closing a clear water control valve (13-1) on the clear water pipeline (13), and opening a coal slurry control valve (3-1) going to the coal slurry tank (4);
(12) restarting the submersible slurry pump (11), recovering the coal slurry into the coal slurry tank (4), and starting the stirrer (5);
(13) the concentration of the coal slurry recovered at this time is
(14) Regulating the concentration of the recovered coal slurry by controlling the clear water amount of the recovered waste slurry tank;
(15) the coal slurry reaching the set concentration is stored in a coal slurry tank (4) and enters a coal slurry preparation production line for recycling according to the pulping process;
the device used in the method comprises a lifting device (1) arranged beside a waste slurry pool (9), a control box (12), a submersible slurry pump (11) suspended in the waste slurry pool (9), a submersible stirrer (8) arranged in coal slurry in the waste slurry pool (9), a liquid level meter (7) used for measuring the liquid level of the coal slurry in the waste slurry pool (9), a coal slurry pipeline (3) communicated with the submersible slurry pump (11) through a hose (10), a coal slurry tank (4) positioned at the tail end of the coal slurry pipeline (3) and a container (14) used for carrying out a settling test on the coal slurry sample; the lifting device (1) can lift the submersible slurry pump (11), a slurry control valve (3-1) is arranged on the slurry pipeline (3), a clear water pipeline (13) is communicated with a pipeline between the head end of the slurry pipeline (3) and the slurry control valve (3-1), a clear water control valve (13-1) is arranged on the clear water pipeline (13), and a clear water tank (6) is arranged at the tail end of the clear water pipeline (13); a stirrer (5) is arranged in the coal slurry tank (4).
2. The method for recovering a pipeline-transported coal slurry according to claim 1, characterized in that: the lifting device (1) comprises a motor (1-1), a speed change reversing gear box (1-2) matched with the motor, a rotating rod (1-3) fixedly connected with the output end of the speed change reversing gear box (1-2) and a rope (1-4) wound on the rotating rod (1-3), and the lower end of the rope (1-4) is fixedly connected with the submersible slurry pump (11).
3. The method for recovering a pipeline-transported coal slurry according to claim 1, characterized in that: the container (14) is a measuring cylinder with scales capable of being observed.
4. The method for recovering a pipeline-transported coal slurry according to claim 1, characterized in that: the liquid level meter (7) is an ultrasonic liquid level meter.
5. The method for recovering a pipeline-transported coal slurry according to claim 1, characterized in that: the hose (10) is fixedly connected with the coal slurry pipeline (3) through the flange (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910887243.4A CN110523333B (en) | 2019-09-19 | 2019-09-19 | Pipeline conveying type coal slurry recycling device and recycling method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910887243.4A CN110523333B (en) | 2019-09-19 | 2019-09-19 | Pipeline conveying type coal slurry recycling device and recycling method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110523333A CN110523333A (en) | 2019-12-03 |
| CN110523333B true CN110523333B (en) | 2020-09-04 |
Family
ID=68669376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910887243.4A Active CN110523333B (en) | 2019-09-19 | 2019-09-19 | Pipeline conveying type coal slurry recycling device and recycling method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110523333B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3487923A (en) * | 1968-08-28 | 1970-01-06 | Canadian Patents Dev | Apparatus for separating aqueous suspensions of solid particles |
| CN102826668A (en) * | 2012-09-07 | 2012-12-19 | 郑州新水工机械有限公司 | Recovering system for concrete cement mortar |
| CN102872647A (en) * | 2012-10-18 | 2013-01-16 | 中煤科工集团武汉设计研究院 | Long-distance pipeline coal transporting head-end wastewater treatment system and treatment method |
| CN202729916U (en) * | 2012-09-07 | 2013-02-13 | 郑州新水工机械有限公司 | Concrete slurry recovery system |
| CN104174195A (en) * | 2014-08-29 | 2014-12-03 | 梁振权 | Energy-saving system for treating tailings |
| CN204019743U (en) * | 2014-04-03 | 2014-12-17 | 为海（泰州）建材有限公司 | Concrete water mud recycling system |
| CN204263360U (en) * | 2014-11-14 | 2015-04-15 | 福建省绿能环保科技有限公司 | Water-bearing concreae reclaims slime water solid content automatic on-line monitoring adjusting device |
| CN104623932A (en) * | 2014-12-30 | 2015-05-20 | 广东新明珠陶瓷集团有限公司 | Raw material residue wastewater recycling system and recovering method |
| CN106079102A (en) * | 2016-08-04 | 2016-11-09 | 云南建工集团曲靖建材有限公司 | A kind of concrete mixing plant waste recovery Application way and system thereof |
-
2019
- 2019-09-19 CN CN201910887243.4A patent/CN110523333B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3487923A (en) * | 1968-08-28 | 1970-01-06 | Canadian Patents Dev | Apparatus for separating aqueous suspensions of solid particles |
| CN102826668A (en) * | 2012-09-07 | 2012-12-19 | 郑州新水工机械有限公司 | Recovering system for concrete cement mortar |
| CN202729916U (en) * | 2012-09-07 | 2013-02-13 | 郑州新水工机械有限公司 | Concrete slurry recovery system |
| CN102872647A (en) * | 2012-10-18 | 2013-01-16 | 中煤科工集团武汉设计研究院 | Long-distance pipeline coal transporting head-end wastewater treatment system and treatment method |
| CN204019743U (en) * | 2014-04-03 | 2014-12-17 | 为海（泰州）建材有限公司 | Concrete water mud recycling system |
| CN104174195A (en) * | 2014-08-29 | 2014-12-03 | 梁振权 | Energy-saving system for treating tailings |
| CN204263360U (en) * | 2014-11-14 | 2015-04-15 | 福建省绿能环保科技有限公司 | Water-bearing concreae reclaims slime water solid content automatic on-line monitoring adjusting device |
| CN104623932A (en) * | 2014-12-30 | 2015-05-20 | 广东新明珠陶瓷集团有限公司 | Raw material residue wastewater recycling system and recovering method |
| CN106079102A (en) * | 2016-08-04 | 2016-11-09 | 云南建工集团曲靖建材有限公司 | A kind of concrete mixing plant waste recovery Application way and system thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110523333A (en) | 2019-12-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206510201U (en) | Integral and intelligent mud jacking system and squeezing trolley | |
| CN102242058A (en) | Anaerobic fermentation system | |
| CN110523333B (en) | Pipeline conveying type coal slurry recycling device and recycling method thereof | |
| CN207046924U (en) | A kind of corrugating medium's production wastewater treatment equipment | |
| CN104263219B (en) | A kind of new polyturethane waterproofing paint process units and technique thereof | |
| CN201089765Y (en) | Biogas slurry agitator | |
| CN207254810U (en) | A kind of mining industry ore cleaning device | |
| CN208805395U (en) | Unmanned plane water sample acquisition device | |
| CN208543633U (en) | A kind of abundant slurry device of petroleum drilling and mining cementing concrete | |
| CN105907623A (en) | Organic matter anaerobic fermentation processing method based on circulation stirring | |
| CN206654909U (en) | Biogas production serialization preparation system | |
| CN206970602U (en) | A kind of biogas fermentation agitator tank | |
| CN109433089A (en) | A kind of novel high speed vortex pulping system and its application method | |
| CN208662098U (en) | A kind of citrus peel residue fermentation processing unit | |
| CN209113889U (en) | A kind of pumping slag device of methane-generating pit | |
| CN206095350U (en) | Burden level examining device of powder silo | |
| CN207958361U (en) | A kind of biogas fermentation facility | |
| CN214339735U (en) | Bio-enzyme fermentation device for grain milling for rice cake production | |
| CN218036274U (en) | Engineering test detects raw and other materials washing screening test device that gathers materials | |
| CN219992463U (en) | Offshore wind power fluid state solidified soil ex-situ solidification scour prevention construction device | |
| CN211285925U (en) | Municipal works rainwater is collected and is utilized device | |
| CN207187661U (en) | A kind of TV loudspeaker processing AB glue mixing plant for being easy to take | |
| CN220758976U (en) | Quantitative feeding device for water-based paint production | |
| CN208253194U (en) | A kind of natural gas station closing blowdown collection device | |
| CN221674266U (en) | Acid removing device for fuel ethanol production |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |