Carbon dioxide powder reservoir unblocking and flow assisting system and method of use

Abstract

The application provides a carbon dioxide powder storage unblocking and flow assisting system and a use method, and is characterized by comprising a air supply device, a pressure reducing cone, a powder storage and a triangular cone, wherein the pressure reducing cone is arranged at the center of the bottom of the inner side of the powder storage, a storage bottom slope is arranged around the pressure reducing cone, a blasting device embedded pipeline is arranged on the storage bottom slope, the blasting device embedded pipeline is connected with a blasting device, and the bottom of the blasting device is connected with a lifting device; when the powder enters the storage, the air supply device can be opened to blow the powder into the storage through a strong airflow, direct contact between the powder and the storage bottom is reduced, and the storage bottom agglomerates are reduced; the blasting device is arranged on the storage bottom, the lifting platform is arranged at the bottom of the blasting device, when part of the agglomerates in the powder storage needs to be cleaned, the blasting device is lifted to a specified position through the lifting platform, and the blasting device is opened to perform blasting, so that personnel do not need to enter the powder storage, time and labor are saved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of powder storage tank unblocking and flow assisting, and particularly relates to a carbon dioxide powder storage tank unblocking and flow assisting system and a use method. BACKGROUND

[0002] The materials stored in the raw material storage tank, the cement storage tank and the mineral powder storage tank of many industries such as cement and concrete are all powdery materials. During the storage in the powder storage tank, the powdery materials are easily adhered to the tank wall to form wall hanging materials due to the water in the tank. With the increase of time, the wall hanging materials become thicker and thicker, especially the cement materials, which will cause the volume of the powder storage tank to become smaller and the use efficiency of the powder storage tank to become lower. Moreover, the wall hanging materials will fall off by themselves and be mixed in the cement materials, which will block the discharge device and cause the cement materials to be unable to be discharged normally, or will cause the materials to be unable to be discharged due to the arching of the materials on the funnel in the tank, thereby causing the production to be interrupted. Therefore, the wall hanging materials need to be cleaned.

[0003] In the prior art, the cleaning methods include mechanical cleaning and manual cleaning. If the mechanical cleaning method is used, the equipment cannot enter the tank for cleaning due to the high-density dust generated in the tank during the cleaning of the tank, which causes the cleaning of the tank to be incomplete and time-consuming. If the manual cleaning method is used, the dust pollution is large and the risk is high, and the materials are easy to collapse in the event of an emergency, which will bury the person in the tank and cause the person to suffocate to death. SUMMARY

[0004] In view of the above technical problems, the present application provides a carbon dioxide powder storage tank unblocking and flow assisting system and a use method for powder storage tank unblocking and flow assisting.

[0005] The present application provides a carbon dioxide powder storage tank unblocking and flow assisting system and a use method, characterized by comprising an air supply device, a pressure reduction cone, a powder storage tank and a triangular cone. The pressure reduction cone is arranged at the center of the inner side of the bottom of the powder storage tank. The pressure reduction cone is surrounded by a tank bottom slope. The edge of the tank bottom slope is provided with the triangular cone. The tank bottom slope is provided with a blasting device embedded pipeline. The pressure reduction cone is provided with a feeding port. The tank bottom slope is provided with the air supply device. The bottom of the powder storage tank is provided with a discharge port. The surface of the air supply device is provided with an air outlet.

[0006] The surface of the triangular cone is provided with UHPC wear-resistant high-temperature-resistant waterproof ceramic paint. The surface of the tank bottom slope is provided with UHPC wear-resistant high-temperature-resistant waterproof ceramic paint. The outer surface of the pressure reduction cone is provided with UHPC wear-resistant high-temperature-resistant waterproof ceramic paint. The inner side of the bottom of the powder storage tank is provided with UHPC wear-resistant high-temperature-resistant waterproof ceramic paint. The height of the UHPC wear-resistant high-temperature-resistant waterproof ceramic paint is 8 m. The included angle between the triangular cone and the tank bottom slope is 12 degrees.

[0007] The carbon dioxide powder warehouse unblocking and flow-aiding system and use method, characterized in that it further comprises a lifting device and a blasting device, the blasting device is arranged inside a blasting device embedded pipeline, the lifting device is provided with a mounting hole on the outside, the blasting device is provided with a blasting pipe on the inside, and the blasting device and the lifting device are connected through a fixing member.

[0008] The use method of the carbon dioxide powder warehouse unblocking and flow-aiding system, and the specific steps are as follows:

[0009] Step one: take the blasting pipe in the blasting device to the carbon dioxide liquid filling equipment to replace the heating rod and the rupture disc;

[0010] Step two: fasten the liquid filling end and the gas discharging end of the blasting device, and then fill the liquid carbon dioxide at the carbon dioxide liquid filling equipment;

[0011] Step three: place the filled blasting device into the lifting device, open the double gate valve at the bottom of the powder warehouse, and start the lifting device;

[0012] Step four: the blasting device is pushed upward by the lifting device, passes through the felt sealing ring in the warehouse, and then pushes open the directional blasting sealing valve in the warehouse;

[0013] Step five: stop the blasting device after it is lifted to a fixed position, evacuate all personnel from the powder warehouse, and then start the blasting device;

[0014] Step six: after the blasting, start the lifting device again to drive the blasting device to run downward, and move the directional blasting sealing valve downward, when the felt sealing ring is reached, the directional blasting sealing valve is automatically closed to prevent the powder from flowing into the blasting device, when the lifting device runs to the bottom, close the double gate valve at the bottom of the warehouse, stop the operation of the lifting device, take out the blasting device, and complete the unblocking and flow-aiding work.

[0015] The present application has the following advantages: the present application is a carbon dioxide powder storage unblocking and flow assisting system and use method, the cement clumps in the powder storage are caused by pre-hydration of cement, the moisture is mainly brought in with mixed materials, gypsum and other materials during grinding, the higher the temperature in the powder storage and the longer the material storage time, the more clumps on the wall of the powder storage, when the clumps reach a certain thickness, they will automatically fall off according to the change of the storage height in the storage, the small clumps will flow into the pressure reducing cone, causing the flow valve to be blocked, the large clumps will be stuck in the inlet of the pressure reducing cone, causing the inlet to be blocked, and long time will cause all the inlets of the pressure reducing cone to be blocked, causing the storage to be dead, and the manual cleaning method has long cleaning time, high cost and great difficulty, and the cleaning process is also prone to cause injuries to workers; the present application sets a blasting device beside the inlet of the pressure reducing cone, which can periodically blast and crush the clumps in the storage, and the clumps of different sizes will form small pieces or powder after blasting by the blasting device, and thus the powder storage will not be blocked, ensuring the permanent unblocking of the outlet and inlet of the powder storage, the blasting cleaning method without manual entry into the powder storage can reduce the cleaning cost, ensure personal safety, prolong the cleaning period and save cost; the original powder storage has a 90º right angle at the bottom of the storage body, the surface of the wall is rough, and the mixture of powder and moisture is easy to stick to the wall to form hard clumps, and the clumps are easy to form a triangular slope dead angle at the bottom of the powder storage, and the volume will increase after long time accumulation, and the height will increase, which is easy to form a tent storage phenomenon, causing the material to be unable to be discharged; the present application builds a 12º triangular pyramid around the bottom of the powder storage, and sets an 8m high UHPC wear-resistant and high-temperature-resistant waterproof ceramic coating on the wall of the powder storage, the coating is dense and smooth after solidification, and is waterproof, dustproof, hard and wear-resistant, and the clumps formed after the powder absorbs water cannot stick to the wall, and the clumps will flow to the bottom along the 12º triangular pyramid, and be crushed by the blasting device, facilitating the flow of the material.

[0016] The cost of cleaning the powder storage is calculated according to the tonnage of the material stored in the storage, for example: if a 10,000 ton storage forms a dead storage, the material stored in the storage is basically 4,000-6,000 tons, and the dead material is more than 1,000 tons, and the cleaning cost is about 0.5-0.7 million yuan according to the current cleaning cost, and the cleaning time is 6-12 months, because the flowing powder in the storage must be discharged before cleaning, and the equipment or personnel can enter the storage for cleaning. If the WLT--KSL2206 carbon dioxide powder storage unblocking and flow assisting system and use method is used, the flowable powder material in the storage can be discharged, and only the dead material of more than 1,000 tons is left, which can reduce 3 / 5 of the cleaning cost and the cleaning time.

[0017] The powder storage is cleaned once every 3-6 years, and if the WLT--KSL2206 carbon dioxide powder storage unblocking and flow assisting system and use method is used, the cleaning cycle can be prolonged to 8-15 years, and the cleaning frequency and cost can be reduced. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a schematic view of the top section of the present application.

[0019] Figure 2 It is a front structural sectional view of the powder tank of the present application.

[0020] Figure 3 It is a front structural sectional view of the present application.

[0021] Reference signs: 1. air supply device; 2. pressure reduction cone; 3. blasting device embedded pipeline; 4. powder tank; 5. discharge port; 6. lifting device; 7. blasting device; 8. felt sealing ring; 21. feeding port; 22. UHPC wear-resistant high-temperature-resistant waterproof ceramic coating; 41. triangular cone; 42. tank bottom slope. DETAILED DESCRIPTION

[0022] The technical solutions of the present application will be described in detail below in combination with the drawings of the present application.

[0023] The present application provides a carbon dioxide powder tank unblocking and flow assisting system and a use method, characterized by comprising an air supply device 1, a pressure reduction cone 2, a powder tank 4, and a triangular cone 41, the pressure reduction cone 2 is arranged at the center of the inner bottom part of the powder tank 4, the pressure reduction cone 2 is surrounded by a tank bottom slope 42, the triangular cone 41 is arranged at the edge of the tank bottom slope 42, the blasting device embedded pipeline 3 is arranged on the tank bottom slope 42, the pressure reduction cone 2 is provided with a feeding port 21, the air supply device 1 is arranged on the tank bottom slope 42, the bottom of the powder tank 4 is provided with a discharge port 5, and the surface of the air supply device 1 is provided with an air outlet.

[0024] The surface of the triangular cone 41 is provided with UHPC wear-resistant high-temperature-resistant waterproof ceramic coating 22, the surface of the tank bottom slope 42 is provided with UHPC wear-resistant high-temperature-resistant waterproof ceramic coating 22, the outer surface of the pressure reduction cone 2 is provided with UHPC wear-resistant high-temperature-resistant waterproof ceramic coating 22, the inner bottom tank wall of the powder tank 4 is provided with UHPC wear-resistant high-temperature-resistant waterproof ceramic coating 22, the height of the UHPC wear-resistant high-temperature-resistant waterproof ceramic coating 22 of the inner bottom tank wall of the powder tank 4 is 8 m, and the included angle between the triangular cone 41 and the tank bottom slope 42 is 12 degrees.

[0025] The carbon dioxide powder tank unblocking and flow assisting system and the use method are characterized by further comprising a lifting device 6 and a blasting device 7, the blasting device 7 is arranged inside the blasting device embedded pipeline 3, the outer side of the lifting device 6 is provided with a mounting hole, the inside of the blasting device 7 is provided with a blasting pipe, and the blasting device 7 and the lifting device 6 are connected through a fixing piece. EMBODIMENT

[0026] When the powder tank is used for a period of time, part of the agglomerates will be formed on the bottom of the tank, which needs to be cleaned. When cleaning, first close the air supply device, personnel evacuate, then start the lifting device, the lifting device starts to drive the blasting device 7 to move up into the designated position of the powder tank 4, then the staff starts the blasting device 7, the liquid carbon dioxide in the blasting device rapidly gasifies, a large amount of gas escapes from the gas outlet on both sides of the blasting device, the pressure reaches 200~300MPa, the blasting range is within 1.5m, the agglomerates on the bottom of the tank are broken, and the small agglomerates on the inner wall will be guided out along the triangular cone under the action of gas vibration and gravity, and a large amount of broken agglomerates will sink to the bottom of the tank; after blasting, the lifting device is started again to drive the blasting device 7 to be transported out of the powder tank 4, and the staff can clean at the feeding port. This method can effectively avoid the risk of personnel entering the powder tank to clean the agglomerates and the collapse of the agglomerates on the wall. The blasting device 7 can be adjusted in number according to the requirements.

[0027] The specific steps of the application are:

[0028] Step one: take the blasting pipe in the blasting device 7 to the carbon dioxide liquid filling equipment to replace the heating rod, rupture disc and other consumables;

[0029] Step two: fasten the liquid filling end and the gas discharge end of the blasting device 7, and then fill the liquid carbon dioxide at the carbon dioxide liquid filling equipment;

[0030] Step three: place the filled blasting device 7 into the lifting device 6, open the double gate valve at the bottom of the powder tank, and start the lifting device 6;

[0031] Step four: the blasting device 7 is pushed upward by the lifting device, passes through the felt sealing ring in the tank, and then pushes open the directional blasting sealing valve in the tank;

[0032] Step five: stop the blasting device 7 when it reaches the fixed position, evacuate all personnel from the powder tank, and then start the blasting device 7;

[0033] Step six: after blasting, start the lifting device 6 again to drive the blasting device 7 to run downward, and the directional blasting sealing valve moves downward. When the felt sealing ring is reached, the directional blasting sealing valve is automatically closed to prevent powder from flowing into the blasting device 7. When the lifting device runs to the bottom, close the double gate valve at the bottom of the tank, stop the lifting device 6, take out the blasting device 7, and complete the dredging and flow assisting work.

Claims

1. A carbon dioxide powder storage unblocking and flow-aiding system, characterized in that... The device includes an air supply device, a pressure reducing cone, a powder silo, and a triangular cone. The pressure reducing cone is located at the center of the bottom of the powder silo. A silo bottom slope is located around the pressure reducing cone. A triangular cone is located at the edge of the silo bottom slope. A pre-embedded pipe for a blasting device is located on the silo bottom slope. The pressure reducing cone has a feeding port. The air supply device is located on the silo bottom slope. The powder silo bottom has a discharge port. The air supply device has an air outlet on its surface. The method used by this system specifically includes the following steps: Step 1: Take the rupture tube from the blasting device to the carbon dioxide filling equipment to replace the heating rod and rupture disc; Step 2: Secure the filling and venting ends of the blasting device, and then fill the device with liquid carbon dioxide. Step 3: Place the filled explosive device into the lifting device, open the double gate valve at the bottom of the powder silo, and start the lifting device; Step 4: The blasting device is pushed upwards by the lifting device, passes through the felt sealing ring inside the silo, and then opens the directional blasting sealing valve inside the silo; Step 5: After the blasting device reaches the fixed position, stop, all personnel evacuate from the powder storage, and then start the blasting device; Step Six: After the blasting, restart the lifting device to move the blasting device downwards. The directional blasting sealing valve moves down. When it reaches the felt sealing ring, the directional blasting sealing valve automatically closes to prevent powder from flowing into the blasting device. When the lifting device reaches the bottom, close the double gate valve at the bottom of the silo, stop the lifting device, remove the blasting device, and complete the dredging and flow assistance work.

2. The carbon dioxide powder silo unblocking and flow-aiding system according to claim 1, characterized in that... The surface of the triangular pyramid is coated with UHPC wear-resistant, high-temperature resistant, and waterproof ceramic coating. The surface of the silo bottom slope is coated with UHPC wear-resistant, high-temperature resistant, and waterproof ceramic coating. The outer surface of the pressure-reducing cone is coated with UHPC wear-resistant, high-temperature resistant, and waterproof ceramic coating. The inner bottom wall of the powder silo is coated with UHPC wear-resistant, high-temperature resistant, and waterproof ceramic coating. The height of the UHPC wear-resistant, high-temperature resistant, and waterproof ceramic coating is 8m. The angle between the triangular pyramid and the silo bottom slope is 12 degrees.

3. The carbon dioxide powder silo unblocking and flow-aiding system according to claim 1, characterized in that... It also includes a lifting device and a blasting device. The blasting device is installed inside the pre-embedded pipe of the blasting device. The lifting device has an installation hole on its outer side and a blasting pipe on its inner side. The blasting device and the lifting device are connected by a fastener.

Images