Formaldehyde production feeder capable of controlling reaction process

Abstract

The utility model discloses a formaldehyde production feeder capable of controlling reaction progress, which relates to the formaldehyde production field, and comprises a material distribution pipe, one side of the material distribution pipe is provided with three groups of material supply pipes in a penetrating manner, the surfaces of the three groups of material supply pipes are fixedly provided with electromagnetic valves, one end of each material supply pipe is provided with a confluence pipe in a penetrating manner, and the other end of each material supply pipe is provided with an electromagnetic valve. A flow sensor is fixedly installed at one end of the confluence pipe, a conveying pipe is arranged on one side of the distributing pipe in a penetrating mode, the number of the electromagnetic valves is three, and the three electromagnetic valves are distributed in the axial direction. In consideration of the problem that the raw material supply rate is not easy to adjust, when reaction raw materials are conveyed, the reaction raw materials are conveyed to the material supply pipe through the material distribution pipe and then converged into the converging pipe, the flow sensor senses the circulation amount of the raw materials, the three sets of electromagnetic valves are controlled to be opened and closed according to setting, circulation of the three sets of conveying pipes is controlled, and the purposes of changing the circulation amount and improving the reaction efficiency are achieved. The raw material feeding rate is controlled, and the reaction process of formaldehyde production is controlled.

Description

Technical Field

[0001] The utility model relates to the field of formaldehyde production, in particular to a formaldehyde production feeder with controllable reaction process. Background Art

[0002] Formaldehyde is an important organic raw material, mainly used in the fields of plastics industry, synthetic fiber, leather industry, dyes, etc. In the production process of preparing formaldehyde solution, the methanol solution raw material needs to be added to the reaction tank through a feeder. Each time the formaldehyde solution is prepared, the supply rate of the methanol raw material needs to be controlled to achieve the effect of controlling the formaldehyde reaction process.

[0003] Traditional feeders generally have a constant feeding rate, which makes it difficult to adjust the raw material supply rate and adapt to different production needs, thus affecting the formaldehyde production process. Utility Model Content

[0004] The utility model aims to provide a formaldehyde production feeder with controllable reaction process, so as to solve the problem that it is not easy to adjust the supply rate and supply amount of raw materials proposed in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a formaldehyde production feeder with controllable reaction process, comprising a distribution pipe, one side of which is provided with three groups of feed pipes, and the surfaces of the three groups of feed pipes are fixedly installed with solenoid valves, one end of the feed pipe is provided with a confluence pipe, and one end of the confluence pipe is fixedly installed with a flow sensor.

[0006] Preferably, a conveying pipe is provided through one side of the distribution pipe, and the number of the solenoid valves is three groups, and the three groups of solenoid valves are distributed along the axial direction, and the opening and closing of the three groups of solenoid valves are controlled respectively to control the circulation of the three groups of conveying pipes, change the circulation volume, and control the feed rate of the raw materials.

[0007] Preferably, one side of the flow sensor is electrically connected to a controller, the controller is electrically connected to the solenoid valve, the controller is fixedly installed on one side of the top surface of the confluence pipe, the flow sensor senses the flow of the confluence pipe, and the controller controls the opening and closing of three groups of solenoid valves to adjust the feeding rate.

[0008] Preferably, a left flange is fixedly installed at one end of the flow sensor, and an anti-backflow gate is rotatably provided on the inner wall of the left flange. A right flange is fixedly installed on one side of the left flange. The connecting bolts are screwed to connect the left flange and the right flange. When the raw material is circulating, the anti-backflow gate is pushed open and the raw material passes smoothly. When the raw material flows back, the anti-backflow gate is closed, and the blocking ring blocks the anti-backflow gate to prevent the raw material from flowing back.

[0009] Preferably, connecting screw holes are fixedly provided in a circular array around the surface of the right flange, and connecting bolts are movably provided inside the connecting screw holes. A plurality of limiting screw holes are fixedly provided in a circular array on the surface of the left flange, and the limiting screw holes are adapted to the connecting bolts. The right flange and the left flange are fitted together, and then the connecting bolts are tightened to connect the right flange and the left flange.

[0010] Preferably, a circulation pipe is provided through one end of the right flange, a feed pump is provided through one end of the circulation pipe, a filling pipe is provided through the output end of the feed pump, and the feed pump conveys the raw materials to the filling pipe, and then conveys them to the reaction tank through the filling pipe.

[0011] Preferably, a blocking ring is fixedly provided on the inner wall of the left flange, a rotation groove is provided on the top of the inner wall of the left flange, and ears are fixedly provided on both sides of the top of the anti-backflow gate. The ears are rotatably provided inside the rotation groove, and the ears are connected to the rotation groove to facilitate the rotation of the anti-backflow gate.

[0012] Technical effects and advantages of the utility model:

[0013] Taking into account the problem of difficulty in adjusting the raw material supply rate, when transporting the reaction raw materials, they are transported to the feed pipe through the distribution pipe and then merged into the confluence pipe. The flow sensor senses the flow rate of the raw materials and controls the opening and closing of the three groups of solenoid valves according to the settings to control the flow of the three groups of delivery pipes, thereby achieving the effect of changing the flow rate, controlling the raw material feed rate, and controlling the reaction process of formaldehyde production. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0015] Figure 1 The utility model is a schematic diagram of the overall structure of a formaldehyde production feeder with controllable reaction process.

[0016] Figure 2 The utility model is a schematic diagram of the structure of a feed pipe and a flow sensor of a formaldehyde production feeder with controllable reaction process.

[0017] Figure 3 The utility model is a schematic diagram of the structure of an anti-backflow gate of a formaldehyde production feeder with controllable reaction process.

[0018] Figure 4The utility model is a schematic diagram of the structure of a feed pump of a formaldehyde production feeder with controllable reaction process.

[0019] In the figure: 1. material distribution pipe; 2. material supply pipe; 3. solenoid valve; 4. confluence pipe; 5. flow sensor; 6. delivery pipe; 7. controller; 8. left flange; 9. anti-backflow gate; 10. right flange; 11. connecting bolts; 12. circulation pipe; 13. material delivery pump; 14. filling pipe; 15. blocking ring; 16. hanging ear. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the utility model claimed for protection, but merely represents the selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0021] The utility model provides Figure 1-4 The formaldehyde production feeder with controllable reaction process shown in the figure comprises a distribution pipe 1, one side of the distribution pipe 1 is provided with three groups of feed pipes 2, the surfaces of the three groups of feed pipes 2 are fixedly installed with solenoid valves 3, one end of the feed pipe 2 is provided with a confluence pipe 4, one end of the confluence pipe 4 is fixedly installed with a flow sensor 5,

[0022] Through the setting of the feed pipe 2 and the flow sensor 5, when the reaction raw materials are transported, they are transported to the feed pipe 2 through the distribution pipe 1 and then merged into the confluence pipe 4. The flow sensor 5 senses the flow rate of the raw materials and controls the opening and closing of the three groups of solenoid valves 3 according to the settings to control the flow of the three groups of delivery pipes 6, thereby achieving the effect of changing the flow rate, controlling the raw material feeding rate, and controlling the reaction process of formaldehyde production.

[0023] A conveying pipe 6 is provided through one side of the material distribution pipe 1. There are three groups of solenoid valves 3, which are distributed along the axial direction.

[0024] The three groups of electromagnetic valves 3 are provided to control the flow of the three groups of feed pipes 2 respectively.

[0025] One side of the flow sensor 5 is electrically connected to a controller 7, which is electrically connected to the solenoid valve 3. The controller 7 is fixedly installed on one side of the top surface of the confluence pipe 4.

[0026] Through the setting of the controller 7, the flow sensor 5 senses the flow rate of the raw material, and controls the opening and closing of the three groups of solenoid valves 3 according to the setting to control the flow of the three groups of conveying pipes 6.

[0027] A left flange 8 is fixedly mounted on one end of the flow sensor 5, an anti-backflow gate 9 is rotatably mounted on the inner wall of the left flange 8, and a right flange 10 is fixedly mounted on one side of the left flange 8.

[0028] By setting the anti-backflow gate 9, screw the connecting bolts 11 to connect the left flange 8 and the right flange 10. When the raw material is flowing, the anti-backflow gate 9 is pushed open and the raw material passes smoothly. When the raw material flows back, the anti-backflow gate 9 is closed and the blocking ring 15 blocks the anti-backflow gate 9 to prevent the raw material from flowing back.

[0029] The right flange 10 has a ring array of fixed connection screw holes around its surface, and a connection bolt 11 is movably arranged inside the connection screw holes. The left flange 8 has a ring array of fixed limit screw holes on its surface, and the limit screw holes are adapted to the connection bolts 11.

[0030] The connection bolts 11 are provided to connect the left flange 8 and the right flange 10 .

[0031] A flow pipe 12 is provided through one end of the right flange 10, a feed pump 13 is provided through one end of the flow pipe 12, and a filling pipe 14 is provided through the output end of the feed pump 13.

[0032] Through the provision of the filling pipe 14 , the feed pump 13 conveys the raw material into the filling pipe 14 , and then conveys it into the reaction container.

[0033] A blocking ring 15 is fixedly provided on the inner wall of the left flange 8, a rotating groove is provided on the top of the inner wall of the left flange 8, and hanging ears 16 are fixedly provided on both sides of the top of the anti-backflow gate 9, and the hanging ears 16 are rotatably provided inside the rotating groove.

[0034] By setting the hanging ear 16, the hanging ear 16 is connected to the rotating groove, which facilitates the rotation of the anti-backflow gate 9.

[0035] Working principle: When conveying the reaction raw materials, they are conveyed to the feed pipe 2 through the distribution pipe 1 and then merged into the confluence pipe 4. The flow sensor 5 senses the flow rate of the raw materials. According to the setting, the opening and closing of the three groups of solenoid valves 3 are controlled respectively to control the flow of the three groups of conveying pipes 6, change the flow rate, control the raw material feed rate, and control the reaction process of formaldehyde production. Tighten the connecting bolts 11 to connect the left flange 8 and the right flange 10. When the raw materials are circulating, the anti-backflow gate 9 is pushed open and the raw materials pass smoothly. When the raw materials flow back, the anti-backflow gate 9 is closed, and the blocking ring 15 blocks the anti-backflow gate 9 to prevent the raw materials from flowing back.

[0036] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may be subject to various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A formaldehyde production feeder with controllable reaction process, comprising a feed distribution pipe (1), characterized in that: Three groups of feed pipes (2) are provided through one side of the material distribution pipe (1), and electromagnetic valves (3) are fixedly installed on the surfaces of the three groups of feed pipes (2). A confluence pipe (4) is provided through one end of the feed pipe (2), and a flow sensor (5) is fixedly installed on one end of the confluence pipe (4).

2. The formaldehyde production feeder with controllable reaction process according to claim 1, characterized in that: A conveying pipe (6) is provided through one side of the material distribution pipe (1), and the number of the solenoid valves (3) is three groups, and the three groups of the solenoid valves (3) are distributed along the axial direction.

3. The formaldehyde production feeder with controllable reaction process according to claim 1, characterized in that: One side of the flow sensor (5) is electrically connected to a controller (7), the controller (7) is electrically connected to the solenoid valve (3), and the controller (7) is fixedly installed on one side of the top surface of the confluence pipe (4).

4. The formaldehyde production feeder with controllable reaction process according to claim 1, characterized in that: A left flange (8) is fixedly mounted on one end of the flow sensor (5), a backflow prevention gate (9) is rotatably mounted on the inner wall of the left flange (8), and a right flange (10) is fixedly mounted on one side of the left flange (8).

5. The formaldehyde production feeder with controllable reaction process according to claim 4, characterized in that: The right flange (10) has connecting screw holes fixedly arranged in a circular array around its surface, and connecting bolts (11) are movably arranged inside the connecting screw holes. The left flange (8) has a plurality of limiting screw holes fixedly arranged in a circular array on its surface, and the limiting screw holes are compatible with the connecting bolts (11).

6. The formaldehyde production feeder with controllable reaction process according to claim 4, characterized in that: A circulation pipe (12) is provided through one end of the right flange (10), a feed pump (13) is provided through one end of the circulation pipe (12), and a filling pipe (14) is provided through the output end of the feed pump (13).

7. The formaldehyde production feeder with controllable reaction process according to claim 4, characterized in that: A blocking ring (15) is fixedly provided on the inner wall of the left flange (8), a rotation groove is provided on the top of the inner wall of the left flange (8), and hanging ears (16) are fixedly provided on both sides of the top of the anti-backflow gate (9), and the hanging ears (16) are rotatably provided inside the rotation groove.

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