CN220715758U - Feeding mixer - Google Patents
Feeding mixer Download PDFInfo
- Publication number
- CN220715758U CN220715758U CN202322307373.0U CN202322307373U CN220715758U CN 220715758 U CN220715758 U CN 220715758U CN 202322307373 U CN202322307373 U CN 202322307373U CN 220715758 U CN220715758 U CN 220715758U
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- Prior art keywords
- tank body
- pipe
- mixing tank
- connecting pipe
- communicated
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- 238000003756 stirring Methods 0.000 claims abstract description 12
- 238000007789 sealing Methods 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 30
- 239000007788 liquid Substances 0.000 claims description 29
- 238000000926 separation method Methods 0.000 claims 2
- 238000012824 chemical production Methods 0.000 abstract description 3
- 239000011229 interlayer Substances 0.000 description 14
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 12
- 238000000034 method Methods 0.000 description 12
- 239000002994 raw material Substances 0.000 description 12
- 239000007789 gas Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 238000009413 insulation Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
Abstract
The utility model relates to the technical field of chemical production equipment, and particularly discloses a feeding mixer which comprises: the mixing tank body is provided with a plurality of feed inlets and a plurality of discharge outlets; the stirring mechanism comprises a power piece and a stirring roller which is arranged in the mixing tank body and driven by the power piece; the pressure release mechanism comprises a connecting pipe communicated with the inside of the mixing tank body, a piston connected in the connecting pipe in a sliding sealing manner, a reset spring arranged between the piston and the free end of the connecting pipe and a flow guide pipe communicated with the side wall of the connecting pipe, when the pressure in the mixing tank body exceeds a safety range, the pressure in the mixing tank body pushes the piston to slide towards the free end of the connecting pipe so that the flow guide pipe is communicated with the inside of the mixing tank body, the pressure release mechanism is additionally arranged on the basis of the mixing tank body, and the pressure in the mixing tank body is released through the flow guide pipe so as to prevent safety accidents caused by overhigh pressure in the mixing tank body.
Description
Technical Field
The application relates to the technical field of chemical production equipment, and specifically discloses a feeding mixer.
Background
In the chemical production process, the method is an indispensable process flow for mixing various raw materials, for example: in the production process of formaldehyde products, the diluted formaldehyde is distilled, formaldehyde steam is fully mixed with oxygen, methanol and water steam, and then concentrated and adsorbed by a concentration adsorption tank, and the formaldehyde product is regenerated after the reaction.
The mixer is equipment for mixing chemical raw materials, and can stir and mix various raw materials in the mixer, so that the different raw materials are fully contacted and uniformly distributed. In the mixing process of chemical raw materials, the pressure in the mixer is increased due to the influence of chemical reaction or reaction temperature and the pressure in the mixer is increased to enable the mixer to be in a high-pressure state, so the structural strength requirement of the mixing tank is generally high, however, when the mixing tank is in a high-pressure state, the gas in the mixer is easy to leak from the valve of the feed port and the discharge port and even damage the valve to cause safety accidents, even if workers timely find that the pressure in the mixer is too high to perform the pressure reducing operation, the safety risk of damaging the production safety of the workers and even the safety accidents are caused due to explosion are also present.
Disclosure of Invention
The utility model aims to solve the problem that the safety accident is caused by easy leakage of gas when the internal pressure of the traditional mixer is high.
To achieve the above object, the basic aspect of the present utility model provides a feed mixer comprising:
the mixing tank body is provided with a plurality of feed inlets and a plurality of discharge outlets;
the stirring mechanism comprises a power piece and a stirring roller which is arranged in the mixing tank body and driven by the power piece;
the pressure release mechanism comprises a connecting pipe communicated with the inside of the mixing tank body, a piston in the connecting pipe in a sliding sealing manner, a reset spring arranged between the piston and the free end of the connecting pipe and a flow guide pipe communicated with the side wall of the connecting pipe, and when the pressure in the mixing tank body exceeds a safety range, the air pressure in the mixing tank body pushes the piston to slide towards the free end of the connecting pipe so that the flow guide pipe is communicated with the inside of the mixing tank body.
The principle and effect of this basic scheme lie in:
compared with the prior art, the pressure relief mechanism is additionally arranged on the basis of the tank body of the mixing tank, so that in the normal mixing process of chemical raw materials, the connecting pipe is blocked by the piston, the flow guide pipe is not communicated with the inside of the tank body of the mixing tank, namely, the normal mixing process in the tank body of the mixing tank is not interfered, when the air pressure in the tank body of the mixing tank is increased, the piston is influenced by the pressure to slide in the connecting pipe, the reset spring is compressed, and the flow guide pipe is gradually communicated with the connecting pipe, so that the pressure in the tank body of the mixing tank is relieved through the flow guide pipe, and safety accidents caused by overhigh pressure in the tank body of the mixing tank are prevented.
Further, the mixing tank body comprises an inner tank body and an outer tank body, an interlayer is formed between the inner tank body and the outer tank body, and a liquid inlet pipe and a liquid outlet pipe are respectively communicated with the interlayer. Through setting up the interlayer, be convenient for through the medium to the internal introduction cooling of interlayer or heating to make the internal temperature of mixing tank jar be located suitable scope, and the medium of introducing the cooling can also play the effect of step-down to the mixing tank jar body, makes when the internal atmospheric pressure of mixing tank jar rises, can also be through the supplementary step-down of introducing cooling medium.
Further, the inner tank body is a heat conduction tank, and the outer tank body is a heat insulation tank. The inner tank body is a honeycomb duct, so that the interlayer and the inner part of the mixing tank body are convenient to transfer heat, and the outer tank body is a heat insulation tank, so that the heat transfer between the mixing tank body and the outside is reduced, the heat insulation effect is good, and the influence of the heat in the mixing tank body on the surrounding environment is avoided.
Further, the liquid inlet pipe is respectively communicated with a cold water pipe and a hot water pipe through a three-way valve, and the liquid outlet pipe is respectively communicated with a cold water return pipe and a hot water return pipe through a three-way valve. The liquid inlet pipe is communicated with the hot water pipe, and the liquid outlet pipe is communicated with the hot water return pipe, so that in the normal mixing process of the mixing tank body, the hot water heats the mixing tank body, and the mixing tank body is at a proper mixing temperature; and the liquid inlet pipe is communicated with the cold water pipe, and the liquid outlet pipe is communicated with the cold water return pipe, so that when the mixing tank body is in a high-pressure state, the temperature of the mixing tank body can be reduced through cold water, and the pressure in the mixing tank body can be reduced in an auxiliary manner.
Further, the free end of the flow guide pipe is communicated with the side wall of the liquid inlet pipe. The honeycomb duct is communicated with the liquid inlet pipe, so that when the mixing tank body is in a high-pressure state, gas in the mixing tank body enters the liquid inlet pipe and is mixed with water flow in the liquid inlet pipe, the gas is conveniently treated and recovered subsequently, and the gas is prevented from being directly discharged into the air to influence the safety of the surrounding environment.
Further, the pipe wall of the connecting pipe and the connecting part of the flow guide pipe is uniformly provided with a plurality of through holes, and the flow guide pipe is communicated with the connecting pipe through the through holes. The arrangement prevents the connecting pipe from being communicated with the flow guide pipe, so that the integral shape of the connecting pipe is not required to be damaged, and the position of the piston is prevented from being deviated.
Further, a guide plate is arranged in the interlayer, and the guide plate divides the interlayer into spiral water flowing channels. The water passage plays a role in guiding the medium flowing through the interlayer, and the contact area between the medium and the tank body of the mixing tank is increased.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly introduced below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 shows a schematic diagram of a feed mixer as proposed in an embodiment of the present application;
fig. 2 shows a schematic view of a pressure release mechanism of a feed mixer according to an embodiment of the present application.
Detailed Description
In order to further describe the technical means and effects adopted by the present utility model for achieving the intended purpose, the following detailed description will refer to the specific implementation, structure, characteristics and effects according to the present utility model with reference to the accompanying drawings and preferred embodiments.
Reference numerals in the drawings of the specification include: the mixing tank comprises a mixing tank body 1, a first feed inlet 2, a second feed inlet 3, a discharge outlet 4, a driving motor 5, a liquid inlet pipe 6, a liquid outlet pipe 7, a connecting pipe 8, a flow guide pipe 9, a piston 10, a return spring 11, a through hole 12, an interlayer 13 and a guide plate 14.
A feed mixer, the embodiment of which is shown in figures 1 and 2: including mixing tank jar body 1, rabbling mechanism and pressure release mechanism, concretely as follows:
mix jar body 1: the bottom of the mixing tank body 1 is provided with a first feed inlet 2 for feeding liquid raw materials; the bottom of the side wall of the mixing tank body 1 is provided with a second feeding hole 3 for feeding the gaseous raw materials, the top of the side wall of the mixing tank body 1 is provided with a discharging hole 4 for discharging the mixed materials, and the first feeding hole 2, the second feeding hole 3 and the discharging hole 4 are externally connected with a pipeline through flanges and are arranged on an electric control valve; the mixing tank body 1 comprises an inner tank body and an outer tank body, wherein the inner tank body is a heat conduction tank, the outer tank body is a heat insulation tank, an interlayer 13 is formed between the inner tank body and the outer tank body, a guide plate 14 is arranged in the interlayer 13, the guide plate 14 divides the interlayer 13 into spiral water passing channels, the top of the interlayer 13 is communicated with a liquid inlet pipe 6, the bottom of the interlayer 13 is communicated with a liquid outlet pipe 7, the liquid inlet pipe 6 is respectively communicated with a cold water pipe and a hot water pipe through three-way valves, the liquid outlet pipe 7 is respectively communicated with a cold water return pipe and a hot water return pipe through three-way valves, and a barometer is arranged in the mixing tank to monitor the air pressure in the mixing tank body 1 in real time.
The stirring mechanism comprises a power part and a stirring roller which is arranged in the mixing tank body 1 and driven by the power part, and in the embodiment, the power part adopts a driving motor 5 arranged at the top of the mixing tank body 1, and an output shaft of the driving motor 5 is vertically downward and is connected with the stirring roller through a coupler.
The pressure release mechanism comprises: the pressure release mechanism comprises a connecting pipe 8 communicated with the inside of the mixing tank body 1, a piston 10 connected in the connecting pipe 8 in a sliding sealing manner, a reset spring 11 arranged between the piston 10 and the free end of the connecting pipe 8, and a flow guide pipe 9 communicated with the side wall of the connecting pipe 8, wherein the free end of the flow guide pipe 9 is communicated with the side wall of the liquid inlet pipe 6, a plurality of through holes 12 are uniformly formed in the pipe wall of the connecting pipe 8 and the connecting pipe 9, the flow guide pipe 9 is communicated with the connecting pipe 8 through the through holes 12, the part of the flow guide pipe 9 communicated with the connecting pipe 8 is positioned in the middle of the connecting pipe 8, when the air pressure in the mixing tank body 1 is in a normal state, the piston 10 is positioned between one end of the connecting pipe 8 connected with the mixing tank body 1 and one end of the connecting pipe 8 connected with the flow guide pipe 9, and when the air pressure in the mixing tank body 1 is increased, the piston 10 component moves towards the free end of the connecting pipe 8, and when the pressure in the mixing tank body 1 exceeds a set safety range, the piston 10 is positioned between the one end of the connecting pipe 8 connected with the free end of the flow guide pipe 8 and the free end of the flow guide pipe 8, the flow guide pipe 9 is communicated with the inside the mixing tank body 1, reset springs 11 with different elastic coefficients are configured in safety ranges.
The automatic air pressure control system further comprises a PLC controller, wherein the PLC controller receives signals of the air pressure detector and simultaneously controls the operation of the driving motor 5, the electric control valve and the three-way valve.
In the implementation process of the utility model, liquid raw materials enter the mixing tank body 1 from the first feed inlet 2, gaseous raw materials enter the mixing tank body 1 from the second feed inlet 3, the driving motor 5 drives the stirring roller to rotate so as to stir raw materials in the mixing tank body 1, meanwhile, the liquid inlet pipe 6 is communicated with the hot water pipe and the liquid outlet pipe 7 is communicated with the hot water return pipe, so that hot water heats the mixing tank body 1 in the normal mixing process of the mixing tank body 1, when the air pressure in the mixing tank body 1 increases beyond a safety range, the piston 10 is influenced by pressure and slides in the connecting pipe 8, the return spring 11 is compressed, the guide pipe 9 is gradually communicated with the connecting pipe 8, so that the pressure in the mixing tank body 1 is relieved through the guide pipe 9, the liquid inlet pipe 6 is communicated with the cold water pipe, the liquid outlet pipe 7 is communicated with the cold water return pipe, the cooling is carried out on the mixing tank body 1 through the cold water so as to help reduce the pressure in the mixing tank body 1, and gas in the guide pipe 9 enters the liquid inlet pipe 6 and is mixed with the liquid inlet pipe 6 in the normal mixing process, so that the gas is conveniently treated by the pressure in the mixing tank body 1 and the air is discharged directly into the surrounding environment, and the safety is prevented from being influenced by the pressure.
Compared with the prior art, the pressure relief mechanism is additionally arranged on the basis of the mixing tank body 1, so that in the normal mixing process of chemical raw materials, the connecting pipe 8 is plugged by the piston 10, the flow guide pipe 9 is not communicated with the inside of the mixing tank body 1, namely, the normal mixing process in the mixing tank body 1 is not interfered, when the air pressure in the mixing tank body 1 is increased, the piston 10 is influenced by the pressure to slide in the connecting pipe 8, the reset spring 11 is compressed, the flow guide pipe 9 is gradually communicated with the connecting pipe 8, and the pressure in the mixing tank body 1 is relieved through the flow guide pipe 9, so that safety accidents caused by overhigh pressure in the mixing tank body 1 are prevented.
The present utility model is not limited to the above embodiments, but is capable of modification and variation in detail, and other modifications and variations can be made by those skilled in the art without departing from the scope of the present utility model.
Claims (7)
1. A feed mixer, comprising:
the mixing tank body is provided with a plurality of feed inlets and a plurality of discharge outlets;
the stirring mechanism comprises a power piece and a stirring roller which is arranged in the mixing tank body and driven by the power piece;
the pressure release mechanism comprises a connecting pipe communicated with the inside of the mixing tank body, a piston in the connecting pipe in a sliding sealing manner, a reset spring arranged between the piston and the free end of the connecting pipe and a flow guide pipe communicated with the side wall of the connecting pipe, and when the pressure in the mixing tank body exceeds a safety range, the air pressure in the mixing tank body pushes the piston to slide towards the free end of the connecting pipe so that the flow guide pipe is communicated with the inside of the mixing tank body.
2. The feed mixer of claim 1, wherein the mixing tank comprises an inner tank and an outer tank, wherein a separation layer is formed between the inner tank and the outer tank, and the separation layer is respectively communicated with the liquid inlet pipe and the liquid outlet pipe.
3. A feed mixer according to claim 2, wherein the inner tank is a thermally conductive tank and the outer tank is a thermally insulating tank.
4. A feed mixer according to claim 2 or 3, wherein the feed pipe is connected to a cold water pipe and a hot water pipe respectively via a three-way valve, and the discharge pipe is connected to a cold water return pipe and a hot water return pipe respectively via a three-way valve.
5. A feed mixer according to claim 4, wherein the free end of the draft tube communicates with the side wall of the feed tube.
6. The feeding mixer according to claim 5, wherein a plurality of through holes are uniformly formed in the pipe wall at the joint of the connecting pipe and the flow guiding pipe, and the flow guiding pipe is communicated with the connecting pipe through the through holes.
7. A feed mixer according to claim 2, wherein a baffle is provided in the compartment, the baffle dividing the compartment into helical water passages.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322307373.0U CN220715758U (en) | 2023-08-28 | 2023-08-28 | Feeding mixer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322307373.0U CN220715758U (en) | 2023-08-28 | 2023-08-28 | Feeding mixer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220715758U true CN220715758U (en) | 2024-04-05 |
Family
ID=90499783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322307373.0U Active CN220715758U (en) | 2023-08-28 | 2023-08-28 | Feeding mixer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220715758U (en) |
-
2023
- 2023-08-28 CN CN202322307373.0U patent/CN220715758U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |