CN111644279A - Low-pressure slurry supply device - Google Patents

Low-pressure slurry supply device Download PDF

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Publication number
CN111644279A
CN111644279A CN202010413833.6A CN202010413833A CN111644279A CN 111644279 A CN111644279 A CN 111644279A CN 202010413833 A CN202010413833 A CN 202010413833A CN 111644279 A CN111644279 A CN 111644279A
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CN
China
Prior art keywords
slurry
pipe
thick liquid
level
tank
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Pending
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CN202010413833.6A
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Chinese (zh)
Inventor
陈贵福
东波
郑鹏辉
沈建涛
谭光之
祝文
刘超
陈勇
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Xi'an Xikuang Environmental Protection Co ltd
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Xi'an Xikuang Environmental Protection Co ltd
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Publication date
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Priority to CN202010413833.6A priority Critical patent/CN111644279A/en
Publication of CN111644279A publication Critical patent/CN111644279A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B9/00Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
    • B05B9/03Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material
    • B05B9/04Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump
    • B05B9/0403Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump with pumps for liquids or other fluent material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/74General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/80Semi-solid phase processes, i.e. by using slurries
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2258/00Sources of waste gases
    • B01D2258/02Other waste gases
    • B01D2258/0283Flue gases

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  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)

Abstract

The invention relates to the technical field of slurry supply devices, and discloses a low-pressure slurry supply device which comprises a high-level slurry tank and a slurry tank, wherein the high-level slurry tank is higher than the slurry tank, the high-level slurry tank is provided with a slurry inlet pipe, an overflow pipe and a slurry outlet pipe, the high-level slurry tank is communicated with the slurry tank through the slurry inlet pipe, the slurry inlet pipe is provided with a slurry supply pump for pumping slurry into the high-level slurry tank, the outlet end of the overflow pipe is communicated with the slurry tank, the outlet end of the slurry outlet pipe is communicated with an atomizer, the inlet end of the slurry outlet pipe is higher than the outlet end of the slurry outlet pipe, and the inlet end of the overflow pipe is higher than the inlet end of the slurry outlet pipe. The invention can control the pressure of slurry entering the atomizer by setting the height difference of the overflow pipe and the slurry outlet pipe, thereby realizing the stable low-pressure slurry supply for the atomizer, without elements such as a controller liquid level meter and the like, and controlling the power of a water pump, realizing the low-pressure slurry supply and saving the economic cost.

Description

Low-pressure slurry supply device
Technical Field
The invention relates to the technical field of slurry supply devices, in particular to a low-pressure slurry supply device.
Background
At present, in a rotary atomization semi-dry method (SDA) deacidification process for treating household garbage incineration flue gas, lime slurry is atomized through atomizing gas, and the atomized slurry and acidic pollutants in the incineration flue gas are subjected to neutralization reaction, so that deacidification is carried out.
The low pressure that supplies thick liquid to atomizing gas supplies thick liquid device, sets up high-order thick liquid jar and is interrupted the atomizer of low liquid level and supply thick liquid usually, sets up level gauge and controller in the high-order thick liquid jar, and the liquid level height in the high-order thick liquid jar of level gauge, the confession thick liquid pipe of high-order thick liquid jar of controller control supplies thick liquid, when needs supply thick liquid to the atomizer, and the thick liquid is supplied to the controller work, realizes that the low pressure supplies thick liquid. Or the high-level pulp tank is not arranged, and the pressure regulating valve is directly arranged on the pulp supply pipe to control the pulp inlet pressure of the atomizer.
However, the arrangement of the level gauge and the controller is complicated, resulting in high economic cost. And set up pressure regulating valve on supplying the thick liquid pipe, pressure regulating valve is relatively poor to the regulation effect of pressure.
Disclosure of Invention
The purpose of the invention is: the low-pressure slurry supply device is simple in structure, can stably supply slurry to the atomizer at low pressure, and saves economic cost.
In order to achieve the purpose, the invention provides a low-pressure slurry supply device which comprises a high-position slurry tank and a slurry tank, wherein the high-position slurry tank is higher than the slurry tank, the high-position slurry tank is provided with a slurry inlet pipe, an overflow pipe and a slurry outlet pipe, the high-position slurry tank is communicated with the slurry tank through the slurry inlet pipe, the slurry inlet pipe is provided with a slurry supply pump for pumping slurry into the high-position slurry tank, the outlet end of the overflow pipe is communicated with the slurry tank, the outlet end of the slurry outlet pipe is communicated with an atomizer, the inlet end of the slurry outlet pipe is higher than the outlet end of the slurry outlet pipe, and the inlet end of the overflow pipe is higher than the inlet end of the slurry outlet pipe.
Optionally, an injection pipe is arranged at one end of the slurry inlet pipe communicated with the high-level slurry tank, the injection pipe is located inside the high-level slurry tank, one end of the injection pipe is communicated with the slurry inlet pipe, the other end of the injection pipe is blocked, and an injection hole is formed in the pipe wall of the injection pipe.
Optionally, the injection pipe is positioned at the lower part of the high-level pulp tank.
Optionally, the washing device further comprises a washing pipe, and the washing pipe is communicated with the pulp inlet pipe.
Optionally, a first valve is arranged on the cleaning pipe.
Optionally, a second valve is arranged on the slurry inlet pipe.
Optionally, a clearance is arranged at the bottom of the high-level slurry tank.
Optionally, the top of high-order thick liquid jar still is equipped with the access hole, advance the thick liquid pipe and pass the access hole, the injection pipe can pass the access hole.
Optionally, the top of the high-level slurry tank is provided with an exhaust hole.
Optionally, a hand hole is formed in the side wall of the high-position pulp tank.
Compared with the prior art, the low-pressure slurry supply device provided by the embodiment of the invention has the beneficial effects that:
the low-pressure slurry supply device comprises a high-level slurry tank and a slurry tank, wherein the high-level slurry tank is higher than the slurry tank, the high-level slurry tank is provided with a slurry inlet pipe, an overflow pipe and a slurry outlet pipe, the high-level slurry tank is communicated with the slurry tank through the slurry inlet pipe, the slurry inlet pipe is provided with a slurry supply pump for pumping slurry into the high-level slurry tank, the outlet end of the overflow pipe is communicated with the slurry tank, the outlet end of the slurry outlet pipe is communicated with an atomizer, the inlet end of the slurry outlet pipe is higher than the outlet end of the slurry outlet pipe, and the inlet end of the overflow pipe is higher than the inlet end of the slurry outlet pipe. The slurry pump pumps the slurry in the slurry tank into the high-level slurry tank, and the arrangement of the overflow pipe enables the slurry in the high-level slurry tank to keep a certain liquid level, wherein the liquid level is higher than the slurry outlet pipe, and the slurry can flow into the atomizer from the slurry outlet pipe. Through the difference in height that sets up overflow pipe and play thick liquid pipe to the pressure that the thick liquid got into the atomizer has been controlled, thereby realizes carrying out the low pressure for the atomizer steadily and supplies thick liquid. In addition, the low-pressure slurry supply device is simple in structure, low-pressure slurry supply is achieved without elements such as a controller liquid level meter, and economic cost is saved.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
FIG. 2 is a schematic structural view of an injection pipe according to an embodiment of the present invention.
FIG. 3 is a cross-sectional view of an ejector tube according to an embodiment of the present invention.
In the figure, 1, a high-level pulp tank; 2. a slurry tank; 3. a slurry supply pump; 4. a pulp inlet pipe; 5. an overflow pipe; 6. a pulp outlet pipe; 7. an injection pipe; 8. an injection hole; 9. cleaning the tube; 10. a first valve; 11. a second valve; 12. clearing the air; 13. an access hole; 14. an exhaust hole; 15. and (4) hand hole.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1, a low-pressure slurry supply device according to a preferred embodiment of the present invention includes a high-level slurry tank 1 and a slurry tank 2, the high-level slurry tank 1 is higher than the slurry tank 2, the high-level slurry tank 1 is provided with a slurry inlet pipe 4, an overflow pipe 5 and a slurry outlet pipe 6, the high-level slurry tank 1 is communicated with the slurry tank 2 through the slurry inlet pipe 4, the slurry inlet pipe 4 is provided with a slurry supply pump 3 for pumping slurry into the high-level slurry tank 1, an outlet end of the overflow pipe 5 is communicated with the slurry tank 2, an outlet end of the slurry outlet pipe 6 is used for communicating with an atomizer, an inlet end of the slurry outlet pipe 6 is higher than an outlet end of the slurry outlet pipe 6, and an inlet end of the overflow pipe 5 is higher than an inlet end of the slurry outlet pipe 6. The slurry supply pump 3 pumps the slurry into the slurry inlet pipe 4, and the slurry in the slurry inlet pipe 4 has certain pressure, so that the slurry can smoothly enter the high-level slurry tank 1 from the slurry tank 2. After the thick liquid gets into high-order thick liquid jar 1, after high-order thick liquid jar 1 gets into certain thick liquid, because high-order thick liquid jar 1's position is higher, can form a liquid level, this liquid level sets up overflow pipe 5. When the actual liquid level is higher than the overflow pipe 5, the slurry flows back to the slurry tank 2 from the overflow pipe 5, so that the actual liquid level of the high-level slurry tank 1 is kept constant. The liquid level of the high-level slurry tank 1 is higher than the slurry outlet pipe 6, and slurry can flow into the atomizer from the slurry outlet pipe 6. Through the difference in height that sets up overflow pipe 5 and play thick liquid pipe 6 to the pressure that the thick liquid got into the atomizer has been controlled, thereby realizes carrying out the low pressure for the atomizer steadily and supplies thick liquid. In addition, the low-pressure slurry supply device is simple in structure, elements such as a controller liquid level meter and the like do not need to be arranged, the power of the water pump does not need to be controlled, low-pressure slurry supply can be achieved, and economic cost is saved. The top of the high-level pulp tank 1 is provided with an exhaust hole 14. The air vent 14 can ensure that the interior of the high-level slurry tank 1 is communicated with the atmospheric pressure, the slurry can smoothly flow out of the overflow pipe 5 or the slurry outlet pipe 6, and meanwhile, the pressure of the slurry entering the atomizer is prevented from generating large errors.
The overflow pipe 5 has a vertical section and a slope section, so that the size of the vertical section can be set longer for the outflow of the slurry in the overflow pipe 5, and the vertical section enters the slurry tank 2 through the slope section, and the slope section can select a larger gradient as much as possible. The pipe diameter of overflow pipe 5 sets up according to the requirement of no pressing pipe and the requirement of non-full pipe, because the thick liquid in overflow pipe 5 is because liquid level difference and inflow, sets up according to the requirement of no pressing pipe, can guarantee that the velocity of flow of thick liquid is very fast to guarantee that the pressure differential in high-order thick liquid jar 1 is comparatively stable. This is also the case in accordance with the requirements of a non-full pipe. In the present embodiment, the flow velocity is not less than 1 m/s. By the arrangement, the slurry in the overflow pipe 5 can flow into the slurry tank 2 thoroughly, and the flow velocity of the slurry in the overflow pipe 5 is greater than the sedimentation velocity of the slurry.
And a flow meter and a flow regulating valve are arranged on the slurry outlet pipe 6, so that the flow required by the atomizer is ensured.
Referring to fig. 2 and fig. 3, an injection pipe 7 is arranged at one end of the slurry inlet pipe 4, which is communicated with the high-level slurry tank 1, the injection pipe 7 is positioned inside the high-level slurry tank 1, one end of the injection pipe 7 is communicated with the slurry inlet pipe 4, the other end of the injection pipe 7 is blocked, and an injection hole 8 is arranged on the pipe wall of the injection pipe 7. Since the slurry in the high-level slurry tank 1 is liable to settle, a stirrer is generally provided in the prior art to stir, thereby preventing settling. According to the invention, the injection pipe 7 is arranged, so that when slurry enters the high-level slurry tank 1, the slurry is injected from the injection hole 8, the slurry in the high-level slurry tank 1 is stirred, and the slurry is prevented from precipitating. The ejector tube 7 is more economical and easier to implement than prior art stirring using a stirrer. The injection pipe 7 is positioned at the lower part of the high-level pulp tank 1. Because the thick liquid takes place to deposit and generally all can sink into the bottom of high-order thick liquid jar 1, set up injection pipe 7 in the inside lower part of high-order thick liquid jar 1, also can realize stirring the paddle of bottom, prevent that the effect of sediment is better. In this embodiment, the injection pipe 7 is vertically arranged, the number of the injection holes 8 is plural, and the injection holes 8 are uniformly arranged on the pipe body of the injection pipe 7. The injection pipe 7 is communicated with the pulp inlet pipe 4 through a reducer pipe. In other embodiments, the injection pipe 7 may be configured in other structures or postures, and may be configured according to actual needs. The top of the high-level pulp tank 1 is also provided with an access hole 13, the pulp inlet pipe 4 penetrates through the access hole 13, and the injection pipe 7 can penetrate through the access hole 13. When the maintenance is needed, the injection pipe 7 can be drawn out from the maintenance hole 13, and the maintenance of the injection pipe 7 is convenient.
Referring to fig. 1, the low-pressure slurry supply device further includes a cleaning pipe 9, and the cleaning pipe 9 is communicated with the slurry inlet pipe 4. The cleaning pipe 9 is communicated with cleaning water, and can clean the pulp inlet pipe 4 and the spray pipe 7. The cleaning pipe 9 is provided with a first valve 10. The first valve 10 is used to control the opening and closing of the cleaning tube 9. The pulp inlet pipe 4 is provided with a second valve 11. The second valve 11 is used for controlling the opening and closing of the slurry inlet pipe 4. When the pulp inlet pipe 4 and the injection pipe 7 need to be cleaned, the first valve 10 is opened, the second valve 11 is closed, and the cleaning pipe 9 is filled with cleaning water to clean the pulp inlet pipe 4 and the injection pipe 7. When cleaning is not needed, the first valve 10 is closed, the second valve 11 is opened, and the slurry inlet pipe 4 is used for introducing slurry into the high-temperature slurry tank.
In addition, the bottom of the high-level pulp tank 1 is provided with a clean-up opening 12. The side wall of the high-level pulp tank 1 is provided with a hand hole 15. Set up like this, can conveniently carry out the periodic overhaul to high-order thick liquid jar 1.
The working process of the invention is as follows: under the effect of the slurry supply pump 3, the slurry enters the high-level slurry tank 1 from the slurry tank 2 through the slurry inlet pipe 4, and the slurry in the high-level slurry tank 1 also forms a height difference with the slurry outlet pipe 6 under the effect of the overflow pipe 5 and the slurry outlet pipe 6, so that the slurry has a certain pressure and enters the atomizer through the slurry outlet pipe 6.
In summary, the embodiment of the present invention provides a low-pressure slurry supply device of a low-pressure slurry supply device, which can control the pressure of slurry entering an atomizer by setting a height difference between an overflow pipe 5 and a slurry outlet pipe 6, so as to stably supply low-pressure slurry to the atomizer, and realize low-pressure slurry supply without elements such as a controller level meter and without controlling the power of a water pump, thereby saving economic cost.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.

Claims (10)

1. The utility model provides a low pressure supplies thick liquid device, its characterized in that, includes high-order thick liquid jar and thick liquid case, the position of high-order thick liquid jar is higher than the position of thick liquid case, be equipped with into thick liquid pipe, overflow pipe and play thick liquid pipe on the high-order thick liquid jar, high-order thick liquid jar with the thick liquid case passes through advance the thick liquid pipe and be linked together, it is provided with and is used for going into the thick liquid pump of supplying of high-order thick liquid jar to advance the thick liquid pipe the exit end of overflow pipe with the thick liquid case communicates mutually, the exit end of play thick liquid pipe is used for communicateing the atomizer, the entrance point of play thick liquid pipe is higher than the exit end of play thick liquid pipe, the entry end of overflow pipe is higher than the entry end of.
2. The low-pressure slurry supply device according to claim 1, wherein an injection pipe is arranged at one end of the slurry inlet pipe, which is communicated with the high-level slurry tank, and is located inside the high-level slurry tank, one end of the injection pipe is communicated with the slurry inlet pipe, the other end of the injection pipe is blocked, and an injection hole is arranged on the pipe wall of the injection pipe.
3. The low pressure slurry supply apparatus according to claim 2, wherein the injection pipe is located at a lower portion of the high-level slurry tank.
4. The low pressure slurry supply apparatus according to claim 2, further comprising a purge pipe, wherein the purge pipe is in communication with the slurry inlet pipe.
5. A low pressure slurry supply apparatus according to claim 4, wherein the cleaning pipe is provided with a first valve.
6. The low pressure slurry supply apparatus according to claim 4, wherein the slurry inlet pipe is provided with a second valve.
7. The low pressure slurry supply device according to claim 4, wherein a clearance is provided at the bottom of the high-level slurry tank.
8. The low pressure slurry supply device according to claim 2, wherein the top of the high-level slurry tank is further provided with a manhole through which the slurry inlet pipe passes, and the injection pipe can pass.
9. The low pressure slurry supply device according to claim 1, wherein the top of the high level slurry tank is provided with a vent hole.
10. The low pressure slurry supply device according to claim 1, wherein the side wall of the high-level slurry tank is provided with a hand hole.
CN202010413833.6A 2020-05-15 2020-05-15 Low-pressure slurry supply device Pending CN111644279A (en)

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CN202010413833.6A CN111644279A (en) 2020-05-15 2020-05-15 Low-pressure slurry supply device

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Application Number Priority Date Filing Date Title
CN202010413833.6A CN111644279A (en) 2020-05-15 2020-05-15 Low-pressure slurry supply device

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112704890A (en) * 2020-11-05 2021-04-27 中国恩菲工程技术有限公司 Liquid feeding device and liquid feeding control method

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN87103450A (en) * 1986-05-12 1988-03-23 三菱重工业株式会社 The equipment that is used for Treatment Solution or processing mud solution
CN101472833A (en) * 2006-02-15 2009-07-01 液化空气电子美国有限公司 Method and apparatus for dispensing liquid with precise control
EP2463057A2 (en) * 2010-10-24 2012-06-13 Paul Auer GmbH Device for blast-machining or abrasive blasting objects
CN205008172U (en) * 2015-08-14 2016-02-03 重庆理工大学 Ultrasonic atomization source
CN207838719U (en) * 2017-12-14 2018-09-11 大唐武安发电有限公司 A kind of desulfurizing waste water processing device of recyclable gypsum
CN208494697U (en) * 2018-05-25 2019-02-15 广州迪斯环保设备有限公司 A kind of rotary atomizer benefit sizing device
CN110898636A (en) * 2019-11-04 2020-03-24 西安西矿环保科技有限公司 Prevent deposiing wet flue gas desulfurization system
CN212370413U (en) * 2020-05-15 2021-01-19 西安西矿环保科技有限公司 Low-pressure slurry supply device

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN87103450A (en) * 1986-05-12 1988-03-23 三菱重工业株式会社 The equipment that is used for Treatment Solution or processing mud solution
CN101472833A (en) * 2006-02-15 2009-07-01 液化空气电子美国有限公司 Method and apparatus for dispensing liquid with precise control
EP2463057A2 (en) * 2010-10-24 2012-06-13 Paul Auer GmbH Device for blast-machining or abrasive blasting objects
CN205008172U (en) * 2015-08-14 2016-02-03 重庆理工大学 Ultrasonic atomization source
CN207838719U (en) * 2017-12-14 2018-09-11 大唐武安发电有限公司 A kind of desulfurizing waste water processing device of recyclable gypsum
CN208494697U (en) * 2018-05-25 2019-02-15 广州迪斯环保设备有限公司 A kind of rotary atomizer benefit sizing device
CN110898636A (en) * 2019-11-04 2020-03-24 西安西矿环保科技有限公司 Prevent deposiing wet flue gas desulfurization system
CN212370413U (en) * 2020-05-15 2021-01-19 西安西矿环保科技有限公司 Low-pressure slurry supply device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112704890A (en) * 2020-11-05 2021-04-27 中国恩菲工程技术有限公司 Liquid feeding device and liquid feeding control method

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Application publication date: 20200911