Carbon disulfide feeder

Abstract

The utility model relates to the technical field of carbon disulfide storage devices, in particular to a carbon disulfide feeder which can isolate air in the feeding process, reduce static electricity and improve operation safety. The feeding device structurally comprises a tank body, a support, a blow-off pipe, a blow-off valve, a feeding pipe, a feeding pipe outlet, a feeding valve, a feeding hopper, a discharging pipe, a discharging valve, an air inlet pipe, an air inlet valve, a pressure reducing valve, an instrument pipe, an instrument maintenance valve, a micro pressure gauge and a material pipe purging valve. The device is simple in structure, novel in design and safe and reliable in feeding process; the support is connected to the bottom of the tank body, the tank body, the support and the auxiliary pipeline are all welded, the valve is in threaded connection, no gasket structure exists, and static electricity generated in the operation process can be conveniently and timely guided out; the bottom outlet of the feeding pipe is close to the bottom of the tank body, and the 45-degree elbow is used for leading the outlet of the feeding pipe to the position near the inner wall of the tank body, so that static electricity caused by material impact is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of carbon disulfide storage devices, in particular to a carbon disulfide feeder. Background Art

[0002] Carbon disulfide has an explosion limit of 1% to 60%, a flash point of -30°C, a wide explosion range, and a low flash point. It is an extremely flammable and explosive liquid material. Even very low ignition energy can cause carbon disulfide vapor to burn and explode. The boiling point is 42.2°C, the vapor pressure is 274 hPa, and it is very volatile. Low conductivity makes it easy to generate static electricity, it is insoluble in water, and its density is higher than water.

[0003] According to the above characteristics of carbon disulfide, the material needs to be stored at low temperature and in a sealed container, and water seals are used on the surface of the material. It needs to be isolated from the air during use, and the place of use must be well ventilated.

[0004] Based on the above description, we designed a special feeding device for carbon disulfide, which can isolate the air during the feeding process and reduce the generation of static electricity. Utility Model Content

[0005] Based on the above description, the utility model provides a carbon disulfide feeder to provide a carbon disulfide feeder with high safety.

[0006] The technical solution of the utility model to solve the above technical problems is as follows:

[0007] A carbon disulfide feeder, comprising:

[0008] Tank;

[0009] A feed pipe extends into the tank body and is provided with a feed valve, the outlet of which is close to the inner wall of the tank body;

[0010] A discharge pipe extends into the tank body and is provided with a discharge valve, and the height of the bottom interface thereof is lower than the outlet of the feed pipe;

[0011] An air intake pipe, connected to the tank body and provided with an air intake valve;

[0012] A sewage pipe is connected to the bottom of the tank body and is provided with a sewage valve.

[0013] On the basis of the above technical solution, the present invention can also be improved as follows.

[0014] Furthermore, the tank body is connected with an instrument tube, and a micro pressure gauge is provided at the end of the instrument tube.

[0015] Furthermore, an instrument maintenance valve is provided on the instrument pipe.

[0016] Furthermore, a connecting pipe is connected between the air inlet pipe and the material outlet pipe, and a material pipe purge valve is arranged on the connecting pipe.

[0017] Furthermore, the air intake pipe is provided with a pressure reducing valve located at the front end of the air intake valve.

[0018] Furthermore, the outlet of the feed pipe is connected with an elbow facing the inner wall of the tank.

[0019] Furthermore, the elbow is at an angle of 45 degrees to the inner wall of the tank.

[0020] Furthermore, the air inlet pipe is connected to a nitrogen source.

[0021] Furthermore, a bracket is connected to the bottom of the tank body, and the tank body and the bracket are made of 304 stainless steel.

[0022] Furthermore, a feeding funnel is connected to the top of the feeding pipe.

[0023] Compared with the prior art, the technical solution of this application has the following beneficial technical effects:

[0024] The device has a simple structure, a novel design and a safe and reliable feeding process.

[0025] In some embodiments, a bracket is connected to the bottom of the tank body, and the tank body, bracket and associated pipelines are fully welded. The valve is threaded and has a gasket-free structure, which facilitates the timely discharge of static electricity generated during operation. The bottom outlet of the feed pipe is close to the bottom of the tank body, and a 45° (45-degree angle to the inner wall of the tank body) elbow is used to lead the feed pipe outlet to the vicinity of the inner wall of the tank body to reduce static electricity caused by material impact. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 A schematic diagram of the structure of a carbon disulfide feeder provided in an embodiment of the utility model;

[0027] Figure 2 for Figure 1 Schematic diagram of working status;

[0028] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0029] 1. Tank body; 2. Bracket; 3. Drain pipe; 4. Drain valve; 5. Feed pipe; 6. Elbow; 7. Feed valve; 8. Feeding funnel; 9. Discharge pipe; 10. Discharge valve; 11. Air inlet pipe; 12. Air inlet valve; 13. Pressure reducing valve; 14. Instrument pipe; 15. Instrument maintenance valve; 16. Material pipe purge valve; 17. Micro pressure gauge. DETAILED DESCRIPTION

[0030] In order to facilitate understanding of the present application, the present application will be described more fully below with reference to the relevant drawings. Embodiments of the present application are provided in the drawings. However, the present application can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive.

[0031] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art to which this application belongs. The terms used herein in the specification of this application are only for the purpose of describing specific embodiments and are not intended to limit this application.

[0032] It will be appreciated that spatial relationship terms such as "under," "beneath," "below," "under," "above," "above," etc., may be used herein to describe the relationship of an element or feature shown in the figures to other elements or features. It will be appreciated that, in addition to the orientations shown in the figures, spatial relationship terms also include different orientations of the device in use and operation. For example, if the device in the accompanying drawings is flipped, an element or feature described as "under other elements" or "under it" or "under it" will be oriented as being "above" the other elements or features. Thus, the exemplary terms "under" and "under" may include both upper and lower orientations. In addition, the device may also include additional orientations (e.g., rotated 90 degrees or other orientations), and the spatial descriptors used herein are interpreted accordingly.

[0033] It should be noted that when an element is considered to be "connected" to another element, it can be directly connected to the other element, or connected to the other element through an intermediate element. The "connection" in the following embodiments should be understood as "electrical connection", "communication connection", etc. if the connected circuits, modules, units, etc. have electrical signals or data transmission between each other.

[0034] When used herein, the singular forms "a", "an", and "said / the" may also include plural forms, unless the context clearly indicates otherwise. It should also be understood that the terms "include / comprise" or "have" etc. specify the presence of stated features, wholes, steps, operations, components, parts or combinations thereof, but do not exclude the possibility of the presence or addition of one or more other features, wholes, steps, operations, components, parts or combinations thereof.

[0035] like Figure 1 , Figure 2The carbon disulfide feeder shown is a new type of feeding device, which is specially designed for feeding carbon disulfide according to the hazardous characteristics of the material. The feeding device structure includes: a tank body 1, a bracket 2, a drain pipe 3, a drain valve 4, a feed pipe 5, a feed pipe outlet, a feed valve 7, a feeding funnel 8, a discharge pipe 9, a discharge valve 10, an air inlet pipe 11, an air inlet valve 12, a pressure reducing valve 13, an instrument pipe 14, an instrument maintenance valve 15, a micro pressure gauge 17, and a material pipe purge valve 16. The device has a simple structure, a novel design, and a safe and reliable feeding process.

[0036] The main structure of the device is made of all 304 stainless steel. The bottom of the tank body 1 is connected to a bracket 2. The tank body 1, bracket 2 and auxiliary pipelines are fully welded. The valve is threaded and has a gasket-free structure, which facilitates the timely discharge of static electricity generated during operation.

[0037] The top of the feed pipe 5 is connected to a feeding funnel 8, the bottom outlet of the feed pipe 5 is close to the bottom of the tank body 1, and a 45° (45 degree angle with the inner wall of the tank body) elbow 6 is used to lead the outlet of the feed pipe 5 to the vicinity of the inner wall of the tank body 1 to reduce static electricity caused by material impact.

[0038] The discharge pipe 9 is close to the bottom of the tank body 1, and the bottom interface height of the discharge pipe 9 is lower than the bottom outlet of the feed pipe 5. During use, the discharged carbon disulfide does not contain water, and the discharge valve 10 can adjust the discharge speed of the carbon disulfide.

[0039] The air inlet pipe 11 is connected to a nitrogen source, and nitrogen is used as an inert gas to fill the space above the tank body 1. The pressure reducing valve 13 can limit the pressure inside the feeding device to prevent the device from being damaged due to excessive pressure.

[0040] The air intake valve 12 can adjust the air intake speed and the internal pressure of the feeding device, and the micro pressure gauge 17 can observe the internal pressure of the feeding device in real time.

[0041] A connecting pipe is connected between the air inlet pipe 11 and the discharge pipe 9, and a material pipe purge valve 16 is provided on the connecting pipe. The material pipe purge valve 16 can purge the residual material in the pipeline to prevent inaccurate feeding and residual dangerous materials.

[0042] The drain pipe 3 and the drain valve 4 can drain the materials inside the device when the device is under maintenance, so as to prevent the materials inside the equipment from remaining during maintenance and causing maintenance accidents.

[0043] Working principle of the binary carbon feeder:

[0044] 1. Nitrogen replacement stage: Purge the inside of the feeder with nitrogen before use and replace the air inside the feeder with nitrogen.

[0045] 2. Water seal stage: some water is injected into the feeder to cover the bottom of the discharge pipe 9, so that a water seal layer of a certain thickness can be formed above the carbon disulfide during the subsequent carbon disulfide feeding operation.

[0046] 3. Inject nitrogen into the feeder to drive out the excess water seal. Place the feeder on an electronic scale and weigh and peel.

[0047] 4. Material preparation stage: Add a mixture of carbon disulfide and water into the feeder through the feeding funnel 8, vent it through the nitrogen pipeline, and close the feeding valve and nitrogen valve after the addition is completed.

[0048] 5. Feeding stage: After standing for 5 minutes, reduce the gas source pressure to below 0.2MPa through the pressure reducing valve 13, control the nitrogen valve, inject low-pressure nitrogen into the feeder, observe the nitrogen micro-pressure differential gauge to ensure that the pressure in the feeder is less than or equal to 0.2MPa.

[0049] 6. Connect the discharge pipe 9 to the reactor, open the discharge valve 10, and control the feeding speed of carbon disulfide; observe the reading of the electronic scale, and when the feeding demand is reached, close the feed valve 7; open the material pipe purge valve 16 to purge the residual carbon disulfide in the material pipeline to the reactor.

[0050] 7. Storage stage: open the pressure gauge valve, close other valves, and store the feeder as a material container together with the materials.

[0051] 8. Maintenance stage: discharge the material in the feeder through the sewage outlet, put it in a carbon disulfide container, and seal it. Open the feeder inlet valve 12, discharge valve 10, and feed valve 7, purge with nitrogen for more than 10 minutes, and then start to repair the feeder.

[0052] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A carbon disulfide feeder, characterized in that: include: Tank; A feed pipe extends into the tank body and is provided with a feed valve, the outlet of which is close to the inner wall of the tank body; A discharge pipe extends into the tank body and is provided with a discharge valve, and the height of the bottom interface thereof is lower than the outlet of the feed pipe; An air intake pipe, connected to the tank body and provided with an air intake valve; A sewage pipe is connected to the bottom of the tank body and is provided with a sewage valve.

2. A carbon disulfide feeder according to claim 1, characterized in that: The tank body is connected with an instrument tube, and a micro pressure gauge is arranged at the end of the instrument tube.

3. A carbon disulfide feeder according to claim 2, characterized in that: An instrument maintenance valve is arranged on the instrument pipe.

4. A carbon disulfide feeder according to claim 1, characterized in that: A connecting pipe is connected between the air inlet pipe and the material outlet pipe, and a material pipe purge valve is arranged on the connecting pipe.

5. A carbon disulfide feeder according to claim 1, characterized in that: The air intake pipe is provided with a pressure reducing valve located at the front end of the air intake valve.

6. A carbon disulfide feeder according to claim 1, characterized in that: The outlet of the feed pipe is connected with an elbow facing the inner wall of the tank body.

7. A carbon disulfide feeder according to claim 6, characterized in that: The elbow is at an angle of 45 degrees to the inner wall of the tank.

8. A carbon disulfide feeder according to claim 1, characterized in that: The air inlet pipe is connected to a nitrogen source.

9. A carbon disulfide feeder according to claim 1, characterized in that: The bottom of the tank body is connected with a bracket, and the tank body and the bracket are made of 304 stainless steel.

10. The carbon disulfide feeder according to claim 1, characterized in that: The top of the feeding pipe is connected with a feeding funnel.

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