Raw material coal tar pretreatment device
By combining a diversion design with heating and preheating with a super centrifuge, the raw coal tar pretreatment device solves the problem of high steam consumption in existing technologies, achieves efficient separation of water and tar residue, reduces steam consumption, and improves enterprise efficiency.
Patent Information
- Application Number
- CN202520102672.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-15
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-01-15
AI Technical Summary
Existing technologies consume large amounts of steam during the pretreatment process before deep processing of coal tar, which affects enterprise efficiency and does not comply with energy conservation and emission reduction policies.
A pretreatment device for raw coal tar is designed. Through the diversion design of the unloading platform and the settling tank, the coal tar with high ash content is first separated by centrifugation without heating and dehydration. The coal tar with high moisture content is preheated and then settling for dehydration. Combined with a super centrifuge, water and tar residue are separated efficiently, reducing steam consumption.
It effectively reduced steam consumption, improved enterprise efficiency, and complied with energy conservation and emission reduction policies.
Smart Images
Figure CN223805046U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to chemical equipment technical field, concretely relates to a raw material coal tar pretreatment device. BACKGROUND
[0002] Before the deep processing of coal tar, various raw material coal tar needs to be pretreated, and the conventional operation currently adopted is that coal tar of different sources is randomly transported to static tanks through unloading pumps and pipelines of unloading platforms, is dehydrated by heating in the static tanks, and when the water content in the coal tar reaches a certain value, the water and tar residue in the coal tar are separated out through a centrifugal machine to obtain anhydrous coal tar, which is then fed into a coal tar processing procedure; because the storage of raw material coal tar in each static tank is relatively large, the steam consumption for heating and dehydrating the raw material coal tar is also large, which seriously affects the enterprise benefit and is not in line with the national policy of energy saving and emission reduction, and therefore the above problems need to be solved. SUMMARY
[0003] The utility model solves the technical problem that a raw material coal tar pretreatment device is provided, which overcomes the defects of the prior art, has a simple structure, effectively reduces the steam consumption, and increases the enterprise benefit.
[0004] To solve the above technical problems, the technical scheme of the utility model is as follows:
[0005] A raw material coal tar pretreatment device, which comprises unloading platforms A, B and C, the unloading platforms A and B are connected to static tanks A, B, C and D through unloading pumps and unloading pipelines, the unloading platform C is connected to static tanks E, F, G and H provided with heating jackets through unloading pumps, unloading pipelines and a heater, the static tanks A, B, C, D, E, F, G and H are connected to an anhydrous coal tar tank through centrifugal machines and pipelines, and the anhydrous coal tar tank is connected to an anhydrous coal tar tank through a pipeline.
[0006] Preferably, the heater is a corrugated pipe heat exchanger, the model number is PLQY650-2.0, and the manufacturer is Shandong Youzhuo Machinery Equipment Co., Ltd.
[0007] Preferably, the heating jacket is provided with a steam inlet and a steam outlet, and the steam inlet and the steam outlet are connected to a steam supply device and a steam recovery device through steam pipelines.
[0008] Preferably, the static tanks A and B are connected in parallel and are jointly connected to a centrifugal machine A, the static tanks C and D are connected in parallel and are jointly connected to a centrifugal machine B, the static tanks E and F are connected in parallel and are jointly connected to a centrifugal machine C, and the static tanks G and H are connected in parallel and are jointly connected to a centrifugal machine D.
[0009] Preferably, the centrifuge is provided with a water / tar residue outlet and a water-free tar outlet, the water / tar residue outlet is communicated to a water / tar residue separation device through a pipeline, the water / tar residue separation device is respectively communicated to a water storage tank and a tar residue storage tank through a pipeline, and the separated water and tar residue are respectively transported to the water storage tank and the tar residue storage tank; the water-free tar outlet is communicated to a water-free tar tank through a pipeline. The water and the tar residue in the material can be separated out through a rotation speed of 3500r / min of the centrifuge, and only water-free tar is left in the centrifuge.
[0010] Preferably, the centrifuge is a super centrifuge, and the model is Z-5E and the manufacturer is (Germany) Fulaiwei Separation Technology (Shanghai) Co., Ltd.
[0011] Preferably, the water-free tar tank is communicated to a tar mixing tank. The water-free tar enters the processing procedure for processing after mixing.
[0012] Due to the adoption of the above technical scheme, the beneficial effects of the present application are as follows:
[0013] The present application detects the raw coal tar before unloading, and the coal tar with high ash content which does not need to be heated and dehydrated is unloaded into the static tanks A, B, C and D through the unloading platforms A and B, and the water-free tar is obtained by centrifugation after static dehydration; the coal tar with high water content which needs to be heated and dehydrated is preheated by the heater and then transported to the static tanks E, F, G and H for static and dehydration, and the water-free tar is obtained by centrifugation after dehydration to a certain value. Through the above method, the amount of heating steam can be effectively reduced, thereby achieving the effect of reducing consumption and increasing efficiency.
[0014] In summary, the present application has simple structure, effectively reduces the consumption of steam, and increases the enterprise benefit. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 is a device process schematic diagram of the embodiment of the present application;
[0016] In the figure, 1 is an unloading platform A; 2 is an unloading platform B; 3 is an unloading platform C; 4 is a static tank A; 5 is a static tank B; 6 is a static tank C; 7 is a static tank D; 8 is a heater; 9 is a static tank E; 10 is a static tank F; 11 is a static tank G; 12 is a static tank H; 13 is a centrifuge; 14 is a water-free tar tank; 15 is a water-free tar tank. DETAILED DESCRIPTION
[0017] The present application will be further described in combination with the drawings and embodiments.
[0018] For example, Figure 1As shown, a raw coal tar pretreatment device includes unloading platform A1, unloading platform B2 and unloading platform C3, unloading platform A1 and unloading platform B2 are communicated to static tank A4, static tank B5, static tank C6 and static tank D7 through unloading pump (not marked) and unloading pipeline (not marked); unloading platform C3 is communicated to static tank E9, static tank F10, static tank G11 and static tank H12 provided with heating jacket (not marked) through unloading pump (not marked), unloading pipeline (not marked) and heater 8 respectively; static tank A4, static tank B5, static tank C6, static tank D7, static tank E9, static tank F10, static tank G11 and static tank H12 are communicated to anhydrous tar tank 14 through centrifuge 13 and pipeline (not marked) respectively, and anhydrous tar tank 14 is communicated to anhydrous tar tank 15 through pipeline.
[0019] In actual application, when raw coal tar is transported by car, the moisture and ash content in the raw coal tar are first sampled and determined, wherein the coal tar with high ash content which does not need to be heated for dehydration enters unloading platform A1 or unloading platform B2, is transported to static tank A4, static tank B5, static tank C6 or static tank D7 through unloading pump and unloading pipeline, and the anhydrous tar, water and tar residue are separated together at a rotation speed of 3500 r / min, only anhydrous tar is left in the centrifuge, the anhydrous tar enters anhydrous tar tank 14 and is then transported to anhydrous tar tank 15; water and tar residue are separated by water / tar residue separation device, water enters water storage tank (not marked), and tar residue enters tar residue storage tank (not marked), the anhydrous tar obtained by centrifugal separation has a water content of ≤1%, and can be further processed.
[0020] The coal tar with high water content is transported to static tank E9, static tank F10, static tank G11 or static tank H12 through static tank C6 and heater 8, the temperature of these raw materials before transportation is about 30 degrees Celsius, the raw materials are transported to the corresponding static tank after being heated to about 80 degrees Celsius (steam heating is adopted, and the energy consumption is 6.9 tons per hour), and are dehydrated in the static tank for 48 hours, because the storage capacity of the static tank is about 900 tons, the steam consumption is 0.00124 tons per ton of tar for increasing 1 ℃, and the steam consumption of each tank is 55.6 tons, and the heat preservation steam consumption is the same as that of the prior art, therefore, 16.68 tons of steam is saved for each tank; the separated water is evaporated by steam heating and then condensed and transported to the water storage tank, and the remaining small amount of water enters anhydrous tar tank 14 after being separated by centrifuge 13.
[0021] In this way, the pretreatment of raw coal tar is realized.
[0022] It should be understood that the embodiments are only used for illustrating the present application and are not used for limiting the scope of the present application. In addition, it should be understood that after reading the content taught by the present application, those skilled in the art can make various changes or modifications to the present application, and these equivalent forms also fall within the scope defined by the appended claims of the present application.
Claims
1. A raw coal tar pre-treatment apparatus, characterized by: The unloading platform A, the unloading platform B and the unloading platform C are communicated to the static tanks A, B, C and D through unloading pumps and unloading pipelines; the unloading platform C is communicated to the static tanks E, F, G and H provided with heating jackets through unloading pumps, unloading pipelines and heaters; the static tanks A, B, C, D, E, F, G and H are communicated to the anhydrous tar tank through centrifuges and pipelines respectively, and the anhydrous tar tank is communicated to the anhydrous tar tank through a pipeline.
2. The raw coal tar pre-treatment apparatus of claim 1, wherein: The heating jacket is provided with a steam inlet and a steam outlet, and the steam inlet and the steam outlet are communicated to a steam supply device and a steam recovery device through steam pipelines respectively.
3. The raw coal tar pre-treatment apparatus of claim 1, wherein: The static tanks A and B are connected in parallel and are commonly communicated to the centrifuge A; the static tanks C and D are connected in parallel and are commonly communicated to the centrifuge B; the static tanks E and F are connected in parallel and are commonly communicated to the centrifuge C; and the static tanks G and H are connected in parallel and are commonly communicated to the centrifuge D.
4. The raw coal tar pre-treatment apparatus of claim 1, wherein: The centrifuge is provided with a water / tar residue outlet and an anhydrous tar outlet, the water / tar residue outlet is communicated to a water / tar residue separation device through a pipeline, and the water / tar residue separation device is communicated to a water storage tank and a tar residue storage tank through pipelines respectively; and the anhydrous tar outlet is communicated to the anhydrous tar tank through a pipeline.
5. The raw coal tar pre-treatment apparatus of claim 1, wherein: The anhydrous tar tank is communicated to the tar mixing tank.