CN218530420U - Automatic alkali adding device - Google Patents
Automatic alkali adding device Download PDFInfo
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- CN218530420U CN218530420U CN202222366415.3U CN202222366415U CN218530420U CN 218530420 U CN218530420 U CN 218530420U CN 202222366415 U CN202222366415 U CN 202222366415U CN 218530420 U CN218530420 U CN 218530420U
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- vacuum tank
- alkali
- powder
- hose
- alkali adding
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Abstract
The utility model relates to the field of solid powder automatic conveying devices, in particular to an automatic alkali adding device, which comprises an alkali adding groove and a vacuum tank, wherein a feed inlet of the vacuum tank is hermetically provided with a hose, the vacuum tank is connected with an alkali powder bag through the hose, and the feed inlet of the hose is inserted into the alkali powder bag and covered by the alkali powder; an air outlet at the upper part of the vacuum tank is hermetically connected with an air inlet of a powder remover, the air inlet of the powder remover extends into the vacuum tank, the powder remover comprises a steel pipe, a metal wire mesh and filter cotton, the filter cotton is fixed on the steel pipe through the metal wire mesh, the filter cotton can completely wrap the part of the steel pipe extending into the vacuum tank, and an air outlet of the powder remover is connected with the air inlet of the Roots blower through a pipeline; and a material level device is hermetically arranged on the side wall of the vacuum tank. The utility model improves the alkali adding efficiency and saves the labor cost; the discharged gas is filtered again, so that the environment pollution is avoided; the safety risk is reduced, and the practicability is good.
Description
Technical Field
The utility model relates to a solid powder automatic conveying device field, concretely relates to automatic alkali adding device.
Background
In the existing desulfurization process, in order to ensure that the desulfurization barren solution is continuously kept on H 2 The adsorption capacity of S gas requires regular addition of soda ash (NaCO) to the soda tank in which the desulfurized lean solution is placed 3 ) In actual operation, 1.25-2t of soda ash needs to be added every 8 hours. Sodium carbonate (NaCO) is currently on the market 3 ) The soda ash filling machine mainly carries out loading and transporting by taking a bag (50 Kg) and a ton bag (1000 Kg) as main materials, mainly carries out loading and transporting by manpower or a trolley to an alkali adding tank after transporting to a desulfurizing device area, has long time and strong labor intensity, needs to pour soda ash into the alkali adding tank manually, and has certain safety risk in the process of pouring the soda ash into the alkali adding tank. Therefore, an automatic alkali adding device is urgently needed, the automation of equipment is utilized, the alkali adding speed is improved, the labor force of personnel is reduced, the labor cost is saved, and the safety risk is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a need artifical regular alkali operation that adds in solving prior art desulfurization process, and use artifical transport, artifical mode that adds alkali, add alkali inefficiency, the labour height, and have the problem of safe risk, provide an automatic alkali device that adds.
The utility model discloses a realize through following technical scheme: an automatic alkali adding device comprises an alkali adding groove and a vacuum tank, wherein a feed inlet of the vacuum tank is hermetically provided with a hose, the vacuum tank is connected with an alkali powder bag through the hose, and the feed inlet of the hose is inserted into the alkali powder bag and covered by alkali powder; an air outlet at the upper part of the vacuum tank is hermetically connected with an air inlet of a powder remover, the air inlet of the powder remover extends into the vacuum tank, the powder remover comprises a steel pipe, a metal wire mesh and filter cotton, a plurality of holes are formed in the side wall of the steel pipe extending into the vacuum tank, the filter cotton is fixed on the steel pipe through the metal wire mesh, the filter cotton can completely wrap the part of the steel pipe extending into the vacuum tank, and the air outlet of the powder remover is connected with the air inlet of a Roots blower through a pipeline; a material level device is hermetically arranged on the side wall of the vacuum tank, and a normally closed contact of the material level device is connected into an electric circuit secondary control loop of the Roots blower; the bottom discharge hole of the vacuum tank is connected with a discharge pipeline, a discharge valve is arranged on the discharge pipeline, and the discharge pipeline extends into the alkali adding groove.
Further preferably, an explosion-proof plate is arranged at the end socket of the vacuum tank.
Preferably, the air outlet of the Roots blower is connected with the exhaust collector through a pipeline, the exhaust collector comprises a keel support and a dust removal cloth bag, the dust removal cloth bag is sleeved outside the keel support and can completely wrap the keel support, and the keel support is of a frame structure capable of supporting the dust removal cloth bag.
Further preferably, the hose is provided with a hard pipe on one side close to the alkali powder bag, the hard pipe is sleeved on the outer wall of the hose, the hard pipe is provided with at least one first air distribution hole, the hose is correspondingly provided with second air distribution holes with the same number as the first air distribution holes in the sleeved position of the hard pipe, and a space is formed between the hard pipe and the alkali powder bag.
Further preferably, the tail end of the discharge pipeline is offset towards the center of the alkali adding tank.
Preferably, the dust removal cloth bag is detachably connected with the keel support.
The utility model provides an automatic alkali adding device, which utilizes a Roots blower to establish a set of vacuum system, a vacuum tank is manufactured to be used as a device for absorbing and storing solid powder, the vacuum tank is connected with a remote bulk alkali powder bag through a hose, the air in the vacuum tank is extracted by opening the Roots blower, the continuous negative pressure in the vacuum tank is ensured, then the alkali powder is sucked into the vacuum tank through atmospheric pressure, and finally, a discharge valve at the bottom of the vacuum tank is opened to ensure that the alkali powder automatically slips into an alkali adding groove under the action of gravity; the automation of the full utilization equipment improves the alkali adding rate, reduces the labor force of personnel, saves the labor cost and reduces the safety risk.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of the connection of the overall structure of the present invention;
FIG. 2 is a front view of the powder remover of the present invention;
fig. 3 is a schematic diagram of the main circuit and the secondary control circuit of the roots blower of the present invention.
In the figure: 1-adding an alkali tank; 2-vacuum tank; 3-a hose; 4-alkali powder bag; 5-a powder remover; 6-steel pipe; 7-wire mesh; 8-filtering cotton; 9-Roots blower; 10-keel bracket; 11-a dust removal cloth bag; 12-a discharge conduit; 13-a discharge valve; 14-explosion-proof plate; 15-a level indicator; 16-a hard tube; 17-a first air distribution hole; KM-AC contactor; KM (Kernel) matrix 1 -a first normally open contact; KM (Kernel) matrix 2 -a second normally open contact; a-a normally closed contact; an SA-transfer switch; SB (bus bar) 1 -a normally closed button; SB (bus bar) 2 -an activation button; QF-first fuse; QF 1 -a second fuse.
Detailed Description
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; in the description of the present invention, it is to be noted that the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying any relative importance, and that the terms "mounted", "connected" and "disposed" are to be construed broadly unless otherwise explicitly stated or limited, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 in specific cases to those skilled in the art.
As shown in fig. 1 and 2, the utility model provides an automatic alkali adding device, which comprises an alkali adding tank 1 and a vacuum tank 2, wherein a feed inlet of the vacuum tank 2 is hermetically provided with a hose 3, the vacuum tank 2 is connected with an alkali powder bag 4 through the hose 3, and the feed inlet of the hose 3 is inserted into the alkali powder bag 4 and is covered by alkali powder; an air outlet in the upper part of the vacuum tank 2 is hermetically connected with an air inlet of a powder remover 5, the air inlet of the powder remover 5 extends into the vacuum tank 2, the powder remover 5 comprises a steel pipe 6, a metal wire mesh 7 and filter cotton 8, a plurality of holes are formed in the side wall of the steel pipe 6 extending into the vacuum tank 2, the filter cotton 8 is fixed on the steel pipe 6 through the metal wire mesh 7, the filter cotton 8 can completely wrap the part of the steel pipe 6 extending into the vacuum tank 2, and an air outlet of the powder remover 5 is connected with the air inlet of a Roots blower 9 through a pipeline; the side wall of the vacuum tank 2 is hermetically provided with a material level indicator 15, and a normally closed contact A of the material level indicator 15 is connected into an electric circuit secondary control loop of the Roots blower 9; the bottom discharge hole of the vacuum tank 2 is connected with a discharge pipeline 12, a discharge valve 13 is arranged on the discharge pipeline 12, and the discharge pipeline 12 extends into the alkali adding tank 1.
In practice, as shown in FIG. 1, soda ash (NaCO) is added to the desulfurized lean solution when necessary 3 ) In time, the Roots blower 9 is manually opened (concrete practice)During application, the Roots blower 9 is a three-blade Roots blower), air in the vacuum tank 2 is extracted by the Roots blower 9, continuous negative pressure in the vacuum tank 2 is ensured, and after a few minutes, the sodium carbonate (NaCO) in the alkali powder bag 4 is obtained by utilizing the vacuum self-absorption principle 3 ) Automatically enters a vacuum tank 2 through a hose 3, and is made of soda ash (NaCO) 3 ) Is transported and accumulated in the vacuum tank 2; the powder remover 5 arranged at the air outlet at the upper part of the vacuum tank 2 ensures that the soda in the vacuum tank 2 is blocked by the filter cotton 8 wrapped on the powder remover 5 when being collected to the air outlet under the action of the Roots blower 9, so that most of the soda is continuously remained in the vacuum tank 2, a small amount of soda powder and dust enters the holes arranged on the side wall of the steel pipe 6 and the inlet at the bottom of the steel pipe 6 through the filter cotton 8 fixed by the metal wire mesh 7 under the action of the Roots blower 9, and then enters the Roots blower 9 from the air outlet of the powder remover 5 to be discharged; as shown in figure 3, a second fuse QF is connected in series between the live wire and the zero wire of the secondary control loop of the Roots blower 9 electrical line 1 Manual interlocking branch and normally closed button SB 1 Start button SB 2 And alternating current contactor KM, manual interlocking branch road is all connected with change over switch SA including two parallel connection and two circuits, wherein level indicator 15's normally closed contact A is located one of them circuit, and change over switch SA normally closed closes the circuit in level indicator 15's normally closed contact A, alternating current contactor KM's second normally open contact KM 2 Connected in parallel to the start button SB 2 A first fuse QF and a first normally open contact KM are arranged on the main circuit of the Roots blower 9 1 。
Pressing the Start button SB 2 The AC contactor KM acts, the first normally open contact KM 1 And a second normally open contact KM of the control loop 2 Closing, at which time the normally open button SB is released 2 The control loop keeps the state, the Roots blower 9 works normally, when the soda in the vacuum tank 2 is accumulated to a certain height, the material level indicator 15 is touched, the normally closed contact A of the material level indicator 15 is disconnected, and the KM of the control loop can not receive the electric signal, so that the KM of the main circuit is controlled by the first normally open contact KM 1 And the main circuit is disconnected, so that the Roots blower 9 of the main circuit is stopped. The soda is not conveyed from the soda powder bag 4 to the vacuum tank 2 any more, and the conveying can be accurateControlling the amount of the soda ash material in the vacuum tank 2 to reach the required adding amount; and then opening a discharge valve 13, discharging the calcined soda in the vacuum tank 2 from a discharge pipeline 12 under the action of gravity, dropping the calcined soda in the alkali adding tank 1 to complete the alkali addition of the desulfurization barren solution in the alkali adding tank 1, and closing the discharge valve 13 after the alkali addition is completed. When the material level device 15 needs to be overhauled, the change-over switch SA is closed on the other line of the manual interlocking branch, the manual interlocking branch is in a manual state, and at the moment, the starting button SB is manually opened and closed 2 The opening and closing of the alternating current contactor KM are controlled, so that the roots blower 9 is driven to be opened and closed.
Specifically, in this embodiment, as shown in fig. 1, an explosion-proof plate 14 is disposed at the end socket of the vacuum tank 2, so as to avoid damage or safety accident of the vacuum tank 2 caused by too low vacuum. When the roots blower 9 extracts the vacuum tank 2 and the vacuum degree of the vacuum tank 2 is too low, the explosion-proof plate 14 arranged at the end socket of the vacuum tank bursts, so that the vacuum tank 2 is communicated with external air, the pressure is consistent, the vacuum tank 2 is guaranteed not to be damaged, and only the explosion-proof plate 14 needs to be replaced.
Specifically, in this embodiment, the air outlet of the roots blower 9 is hermetically connected to an exhaust collector through a pipeline, the exhaust collector includes a keel support 10 and a dust removal cloth bag 11, the dust removal cloth bag 11 is sleeved outside the keel support 10 and can completely wrap the keel support 10, and the keel support 10 is a frame structure capable of supporting the dust removal cloth bag 11. A small amount of soda powder and dust entering the Roots blower 9 enter the exhaust collector and are filtered again through the dust removal cloth bag 11 fixed on the keel support 10, the soda powder and the dust are retained in the dust removal cloth bag 11, and the filtered air is discharged to the atmosphere, so that the environment pollution and the sanitation are avoided.
Specifically, in this embodiment, the hose 3 is provided with the hard tube 16 on a side close to the alkali powder bag 4, the hard tube 16 is sleeved on the outer wall of the hose 3, the hard tube 16 is provided with at least one first air distribution hole 17, the hose 3 is correspondingly provided with second air distribution holes with the same number as the first air distribution holes 17 at the sleeving position of the hard tube 16, and a distance is provided between the hard tube 16 and the alkali powder bag 4. During actual operation, the hard tube 16 is sleeved on the outer wall of the hose 3 at a distance of 4 meters from the soda powder bag, the first air distribution holes 17 are formed in the side face of the hard tube 16, the number of the first air distribution holes is three, the number of the corresponding second air distribution holes is three, and the corresponding second air distribution holes are correspondingly formed in the first air distribution holes 16, so that external air can enter the hose 3, the internal pressure and the external pressure of the hose 3 are consistent, soda can be guaranteed to continuously enter the hose 3, and the blockage of the hose 3 caused by the fact that the extraction speed is too fast is avoided.
Specifically, in this embodiment, the tail end of the discharge pipe 12 is offset toward the center of the alkali adding tank. When the discharge valve 13 on the discharge pipeline 12 is opened manually, the calcined soda slips from the vacuum tank 2 and falls into the central position close to the alkali adding trough 1 through the tail end of the discharge pipeline 12, and the position where the labor is located is far away, so that the safety risk existing in the manual alkali adding process is reduced.
Specifically, in this embodiment, the dust removal cloth bag 11 is detachably connected to the keel support 10. The subsequent disassembly work such as maintenance, cleaning and replacement of the dust removal cloth bag 11 is facilitated.
The utility model realizes the remote transmission of solid alkali powder (NaCO) by utilizing the vacuum self-absorption principle 3 ) The labor force of workers is reduced, and the labor cost is saved; the dust removal cloth bag 11 arranged on the exhaust collector further filters the gas discharged into the atmosphere, so that the environment pollution is avoided; through setting up row's material pipeline 12 and discharge valve 13 of certain angle, reduced the safety risk. Has good practicability.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications or substitutions do not depart from the scope of the invention in its corresponding aspects.
Claims (6)
1. An automatic alkali adding device comprises an alkali adding groove (1) and is characterized by further comprising a vacuum tank (2), wherein a feed inlet of the vacuum tank (2) is hermetically provided with a hose (3), the vacuum tank (2) is connected with an alkali powder bag (4) through the hose (3), and the feed inlet of the hose (3) is inserted into the alkali powder bag (4) and is covered by alkali powder; an air outlet at the upper part of the vacuum tank (2) is hermetically connected with an air inlet of a powder remover (5), the air inlet of the powder remover (5) extends into the vacuum tank (2), the powder remover (5) comprises a steel pipe (6), a metal wire mesh (7) and filter cotton (8), a plurality of holes are formed in the side wall of the steel pipe (6) extending into the vacuum tank (2), the filter cotton (8) is fixed on the steel pipe (6) through the metal wire mesh (7), the filter cotton (8) can completely wrap the part of the steel pipe (6) extending into the vacuum tank (2), and an air outlet of the powder remover (5) is connected with the air inlet of a Roots blower (9) through a pipeline; a material level indicator (15) is hermetically arranged on the side wall of the vacuum tank (2), and a normally closed contact (A) of the material level indicator (15) is connected into an electric circuit secondary control loop of the Roots blower (9); the bottom discharge hole of the vacuum tank (2) is connected with a discharge pipeline (12), a discharge valve (13) is arranged on the discharge pipeline (12), and the discharge pipeline (12) extends into the alkali adding tank (1).
2. The automatic alkali adding device according to claim 1, wherein an explosion-proof plate (14) is arranged at the end socket of the vacuum tank (2).
3. The automatic alkali adding device according to claim 1, wherein the air outlet of the Roots blower (9) is hermetically connected with an exhaust collector through a pipeline, the exhaust collector comprises a keel support (10) and a dust removing cloth bag (11), the dust removing cloth bag (11) is sleeved outside the keel support (10) and can completely wrap the keel support (10), and the keel support (10) is a frame structure capable of supporting the dust removing cloth bag (11).
4. The automatic alkali adding device according to claim 1, wherein the hose (3) is provided with a hard pipe (16) at a side close to the alkali powder bag (4), the hard pipe (16) is sleeved on the outer wall of the hose (3), the hard pipe (16) is provided with at least one first air distribution hole (17), the hose (3) is correspondingly provided with second air distribution holes with the same number as the first air distribution holes (17) at the sleeved position of the hard pipe (16), and the hard pipe (16) and the alkali powder bag (4) are spaced.
5. The automatic alkalifying device of claim 1, wherein the tail end of the discharge pipe (12) is offset toward the center of the alkalifying tank.
6. The automatic alkali adding device according to claim 3, wherein the dust removing cloth bag (11) is detachably connected with the keel bracket (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222366415.3U CN218530420U (en) | 2022-09-06 | 2022-09-06 | Automatic alkali adding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222366415.3U CN218530420U (en) | 2022-09-06 | 2022-09-06 | Automatic alkali adding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218530420U true CN218530420U (en) | 2023-02-28 |
Family
ID=85272425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222366415.3U Active CN218530420U (en) | 2022-09-06 | 2022-09-06 | Automatic alkali adding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218530420U (en) |
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2022
- 2022-09-06 CN CN202222366415.3U patent/CN218530420U/en active Active
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