CN220664265U - Cooling and conveying device for expanded explosive - Google Patents
Cooling and conveying device for expanded explosive Download PDFInfo
- Publication number
- CN220664265U CN220664265U CN202322254312.2U CN202322254312U CN220664265U CN 220664265 U CN220664265 U CN 220664265U CN 202322254312 U CN202322254312 U CN 202322254312U CN 220664265 U CN220664265 U CN 220664265U
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- Prior art keywords
- cooling water
- cooling
- feeding
- pipe
- conveying
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- 238000001816 cooling Methods 0.000 title claims abstract description 52
- 239000002360 explosive Substances 0.000 title claims abstract description 32
- 239000000498 cooling water Substances 0.000 claims abstract description 98
- 239000002994 raw material Substances 0.000 claims abstract description 34
- 238000007599 discharging Methods 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 53
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 238000012840 feeding operation Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 5
- 238000007789 sealing Methods 0.000 description 4
- 238000009413 insulation Methods 0.000 description 3
- PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000003245 coal Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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- Screw Conveyors (AREA)
Abstract
The utility model relates to the technical field of production of expanded explosives, in particular to a cooling and conveying device of expanded explosives, which comprises a conveying pipe, a conveying screw and a cooling water circulating system; the feeding screw is rotatably arranged in the inner cavity of the feeding pipe, and a feeding hole and a discharging hole are formed in the side wall of the feeding pipe; a cooling water spiral conveying channel corresponding to the feeding channel of the feeding screw is arranged in the side wall of the feeding pipe; the two ends of the cooling water spiral conveying channel are respectively connected with a cooling water circulating system through pipelines; the flow rate of the cooling water in the cooling water spiral conveying channel is larger than the conveying speed of the raw materials in the feeding screw. The cooling and conveying device for the expanded explosive greatly improves the raw material cooling efficiency, improves the raw material cooling uniformity and ensures the safety of feeding operation.
Description
Technical Field
The utility model relates to the technical field of production of expanded explosives, in particular to a cooling and conveying device of expanded explosives.
Background
In the production of industrial expanded explosive, the raw material ammonium nitrate is crushed and then enters a preparation tank, the ammonium nitrate solution and the composite oil phase are dissolved and filtered, then are conveyed to a storage tank through a water-oil phase screw pump, then are conveyed to a dynamic mixer through the water-oil phase screw pump, are subjected to liquid mixing under the action of mechanical mixing, continuously enter an expansion crystallizer for continuous expansion, are continuously discharged, then are mixed and cooled with quantitative coal powder meeting the process conditions in a continuous medicine mixing system, and finally are charged. Since sealing and quantitative conveying are required in the conveying process, the temperature of materials is increased, and a cooling device must be installed on each sealing conveying structure. The traditional cooling device adopts cooling water to be sprayed onto a conveying structure through a water spray port after accumulating certain pressure by a water collecting tank, so as to achieve the aim of cooling, such as the Chinese patent application No. CN20110104949. X, named as an industrial expanded explosive sealing quantitative conveying spiral cooling device. The cooling mode has the defects that the cooling time is long, the production efficiency is affected, the cooling is not thorough and uniform, and the failure that the production line is stopped due to overhigh temperature of partial materials caused by non-uniform cooling can occur.
Disclosure of Invention
In order to overcome the defects in the prior art, the technical problem to be solved by the utility model is to provide the cooling conveying device for the expanded explosive, which has high cooling efficiency and uniform cooling effect.
In order to solve the technical problems, the utility model adopts the following technical scheme: a cooling and conveying device for an expanded explosive comprises a feeding pipe, a feeding screw and a cooling water circulating system;
the feeding screw is rotatably arranged in the inner cavity of the feeding pipe, and a feeding hole and a discharging hole are formed in the side wall of the feeding pipe;
a cooling water spiral conveying channel corresponding to the feeding channel of the feeding screw is arranged in the side wall of the feeding pipe;
the two ends of the cooling water spiral conveying channel are respectively connected with a cooling water circulating system through pipelines;
the flow rate of the cooling water in the cooling water spiral conveying channel is larger than the conveying speed of the raw materials in the feeding screw.
Further, the feeding device also comprises a frame and a motor, wherein the motor and the feeding pipe are arranged on the frame, and one end of the feeding screw rod penetrates through the side wall of the feeding pipe and then is connected with the motor.
Further, the cooling water circulation system comprises a cooling water tank, a water circulation pump, a water inlet pipe and a water outlet pipe, wherein the cooling water tank is connected with one end of the cooling water spiral conveying channel through the water circulation pump and the water inlet pipe in sequence, the cooling water tank is connected with the other end of the cooling water spiral conveying channel through the water circulation pump and the water outlet pipe in sequence, the water inlet pipe is provided with a water inlet valve, and the water outlet pipe is provided with a water outlet valve.
Further, the outer wall of the feeding pipe is provided with a heat insulation layer.
Further, the cross-sectional shape of the cooling water spiral conveying channel is a sector.
The utility model has the beneficial effects that: the utility model provides a cooling conveyor of expanded explosive, the conveying pipe design that will be used for carrying the raw materials has cooling water screw conveying channel structure for the lateral wall, the inside and outside correspondence of the raw materials feeding channel of cooling water screw conveying channel and the interior feeding screw rod of conveying pipe, when feeding screw rod work, the raw materials is carried along feeding channel from the feed inlet to the discharge gate gradually, simultaneously, cooling water circulation system is to the circulation supply cooling water in the cooling water screw conveying channel, cooling water cools off the explosive production raw materials of inside transport from the outside, make whole conveying pipe all covered by cooling water, the cooling water that accompanies the flow of pay-off can take away the heat fast to the raw materials sustainable cooling, because the velocity of flow of cooling water is greater than the conveying speed of raw materials, thereby reach whole, even, continuous cooling effect, very big improvement raw materials cooling efficiency, raw materials cooling uniformity has been promoted, the security of pay-off operation has been ensured.
Drawings
FIG. 1 is a schematic view of a cooling and conveying apparatus for expanded explosive according to an embodiment of the present utility model;
FIG. 2 is a schematic view of another construction of a cooling and conveying apparatus for expanded explosive according to an embodiment of the present utility model;
FIG. 3 is a top view of a cooling delivery apparatus for an expanded explosive according to an embodiment of the present utility model;
FIG. 4 is a cross-sectional view of a cooling delivery device for an expanded explosive according to an embodiment of the present utility model;
description of the reference numerals:
1. a feed pipe; 11. A feed inlet; 12. A discharge port; 13. A cooling water spiral conveying channel; 14. A thermal insulation layer; 2. A feed screw; 3. A cooling water circulation system; 31. A cooling water tank; 32. A water inlet pipe; 33. A drain pipe; 4. A frame; 5. And a motor.
Detailed Description
In order to describe the technical contents, the achieved objects and effects of the present utility model in detail, the following description will be made with reference to the embodiments in conjunction with the accompanying drawings.
The utility model provides a cooling and conveying device for an expanded explosive, which is applied to an expanded explosive production line.
Referring to fig. 1 to 4, the cooling and conveying device for expanded explosive of the present utility model includes a feeding pipe 1, a feeding screw 2 and a cooling water circulation system 3;
the feeding screw 2 is rotatably arranged in the inner cavity of the feeding pipe 1, and a feeding port 11 and a discharging port 12 are arranged on the side wall of the feeding pipe 1;
a cooling water spiral conveying channel 13 corresponding to the feeding channel of the feeding screw 2 is arranged in the side wall of the feeding pipe 1;
both ends of the cooling water spiral conveying channel 13 are respectively connected with the cooling water circulating system 3 through pipelines;
the flow rate of the cooling water in the cooling water screw conveying passage 13 is larger than the conveying speed of the raw material in the feed screw 2.
From the above description, the beneficial effects of the utility model are as follows: the utility model provides a cooling conveyor of expanded explosive, the conveying pipe 1 design that will be used for carrying the raw materials has cooling water screw conveying passageway 13 structure for the lateral wall, inside and outside the raw materials feeding passageway of the interior pay-off screw rod 2 of cooling water screw conveying passageway 13 and conveying pipe 1 correspond, when the pay-off screw rod 2 works, raw materials are carried gradually along the pay-off passageway from feed inlet 11 to discharge gate 12, simultaneously, cooling water circulation system 3 is to the circulation supply cooling water in the cooling water screw conveying passageway 13, the cooling water cools off the explosive production raw materials of inside transport from the outside, make whole conveying pipe 1 all covered by cooling water, the cooling water that accompanies the flow of pay-off can be to the continuous cooling of raw materials, because the velocity of flow of cooling water is greater than the conveying speed of raw materials, can take away the heat fast, thereby reach whole, even, continuous cooling effect, very big improvement raw materials cooling efficiency, raw materials cooling uniformity, the security of feeding operation has been promoted.
In an alternative embodiment, the feeding screw machine further comprises a frame 4 and a motor 5, wherein the motor 5 and the feeding pipe 1 are arranged on the frame 4, and one end of the feeding screw 2 penetrates through the side wall of the feeding pipe 1 and then is connected with the motor 5.
As is apparent from the above description, the motor 5 is used to drive the feed screw 2 to rotate to control the raw material conveying speed.
In an alternative embodiment, the cooling water circulation system 3 includes a cooling water tank 31, a water circulation pump, a water inlet pipe 32 and a water outlet pipe 33, the cooling water tank 31 is connected with one end of the cooling water spiral conveying channel 13 sequentially through the water circulation pump and the water inlet pipe 32, the cooling water tank 31 is connected with the other end of the cooling water spiral conveying channel 13 sequentially through the water circulation pump and the water outlet pipe 33, a water inlet valve is arranged on the water inlet pipe 32, and a water outlet valve is arranged on the water outlet pipe 33.
As is apparent from the above description, during production, all the sealed delivery water inlet valves are opened, the water circulation pump on the cooling tower pumps the cooling water in the cooling water tank 31 of the cooling tower into the jacket of the cooling water spiral delivery channel 13 through the water inlet pipe 32 for cooling, and the water circulation pump pumps the used cooling water into the cooling tower again, and the cooling water enters the cooling water tank 31 again for recycling after heat exchange.
In an alternative embodiment, the outer wall of the feed tube 1 is provided with an insulating layer 14.
From the above description, the expanded explosive is sealed in the feeding pipe 1, and the heat insulation layer 14 is used for improving the cooling efficiency of the expanded explosive and reducing the energy waste.
In an alternative embodiment, the cross-sectional shape of the cooling water spiral delivery channel 13 is a fan.
The working principle of the utility model is as follows: when the cooling tower is used, the motor 5 is started to drive the feeding screw 2 to rotate, raw materials enter the feeding pipe 1 from the feed inlet 11 and are continuously conveyed under the pushing of the blades of the feeding screw 2, all sealing conveying water inlet valves are opened, cooling water in the cooling water tank 31 of the cooling tower is pumped into the cooling water spiral conveying channel 13 through the water inlet pipe 32 to be cooled, and the cooled raw materials are discharged out of the feeding pipe 1 from the discharge outlet 12.
Referring to fig. 1 to 4, a first embodiment of the present utility model is as follows: the cooling and conveying device for the expanded explosive comprises a conveying pipe 1, a conveying screw 2 and a cooling water circulation system 3;
the feeding screw 2 is rotatably arranged in the inner cavity of the feeding pipe 1, and a feeding port 11 and a discharging port 12 are arranged on the side wall of the feeding pipe 1;
a cooling water spiral conveying channel 13 corresponding to the feeding channel of the feeding screw 2 is arranged in the side wall of the feeding pipe 1;
both ends of the cooling water spiral conveying channel 13 are respectively connected with the cooling water circulating system 3 through pipelines;
the flow rate of the cooling water in the cooling water screw conveying passage 13 is larger than the conveying speed of the raw material in the feed screw 2.
Still include frame 4 and motor 5, motor 5 and conveying pipe 1 all set up in frame 4, the one end of feeding screw 2 passes behind the lateral wall of conveying pipe 1 and is connected with motor 5. The cooling water circulation system 3 comprises a cooling water tank 31, a water circulation pump, a water inlet pipe 32 and a water outlet pipe 33, wherein the cooling water tank 31 is connected with one end of the cooling water spiral conveying channel 13 sequentially through the water circulation pump and the water inlet pipe 32, the cooling water tank 31 is connected with the other end of the cooling water spiral conveying channel 13 sequentially through the water circulation pump and the water outlet pipe 33, a water inlet valve is arranged on the water inlet pipe 32, and a water outlet valve is arranged on the water outlet pipe 33. The outer wall of the feed pipe 1 is provided with a heat insulating layer 14. The cross-sectional shape of the cooling water spiral conveying passage 13 is a fan shape.
In summary, the utility model provides a cooling and conveying device for expanded explosive, the conveying pipe for conveying raw materials is designed to have a cooling water spiral conveying channel structure on the side wall, the cooling water spiral conveying channel corresponds to the inside and outside of the raw material conveying channel of a conveying screw in the conveying pipe, when the conveying screw works, raw materials are gradually conveyed from a feed inlet to a discharge outlet along the conveying channel, meanwhile, a cooling water circulation system circularly supplies cooling water to the cooling water spiral conveying channel, the cooling water cools the explosive raw materials conveyed from the outside, the whole conveying pipe is covered by the cooling water, the flowing cooling water accompanied with feeding can continuously cool and cool the raw materials, and heat can be rapidly taken away due to the fact that the flow velocity of the cooling water is higher than the conveying speed of the raw materials, so that the cooling effect of the whole, uniform and continuous cooling is achieved, the cooling efficiency of the raw materials is greatly improved, and the safety of the feeding operation is ensured.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent changes made by the specification and drawings of the present utility model, or direct or indirect application in the relevant art, are included in the scope of the present utility model.
Claims (5)
1. The cooling and conveying device for the expanded explosive is characterized by comprising a conveying pipe, a conveying screw and a cooling water circulating system;
the feeding screw is rotatably arranged in the inner cavity of the feeding pipe, and a feeding hole and a discharging hole are formed in the side wall of the feeding pipe;
a cooling water spiral conveying channel corresponding to the feeding channel of the feeding screw is arranged in the side wall of the feeding pipe;
the two ends of the cooling water spiral conveying channel are respectively connected with a cooling water circulating system through pipelines;
the flow rate of the cooling water in the cooling water spiral conveying channel is larger than the conveying speed of the raw materials in the feeding screw.
2. The cooling and conveying device for the expanded explosive according to claim 1, further comprising a frame and a motor, wherein the motor and the feeding pipe are arranged on the frame, and one end of the feeding screw penetrates through the side wall of the feeding pipe and then is connected with the motor.
3. The cooling and conveying device for the expanded explosive according to claim 1, wherein the cooling water circulation system comprises a cooling water tank, a water circulation pump, a water inlet pipe and a water outlet pipe, the cooling water tank is connected with one end of the cooling water spiral conveying channel through the water circulation pump and the water inlet pipe in sequence, the cooling water tank is connected with the other end of the cooling water spiral conveying channel through the water circulation pump and the water outlet pipe in sequence, the water inlet pipe is provided with a water inlet valve, and the water outlet pipe is provided with a water outlet valve.
4. The cooling delivery apparatus of an expanded explosive as recited in claim 1, wherein an outer wall of the feed tube is provided with a thermally insulating layer.
5. The cooling delivery apparatus of an expanded explosive according to claim 1, wherein the cross-sectional shape of the cooling water screw delivery passage is a sector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322254312.2U CN220664265U (en) | 2023-08-21 | 2023-08-21 | Cooling and conveying device for expanded explosive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322254312.2U CN220664265U (en) | 2023-08-21 | 2023-08-21 | Cooling and conveying device for expanded explosive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220664265U true CN220664265U (en) | 2024-03-26 |
Family
ID=90339874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322254312.2U Active CN220664265U (en) | 2023-08-21 | 2023-08-21 | Cooling and conveying device for expanded explosive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220664265U (en) |
-
2023
- 2023-08-21 CN CN202322254312.2U patent/CN220664265U/en active Active
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| GR01 | Patent grant |