CN112892752A

CN112892752A - Large-block tar residue crushing device in tar mixed liquid

Info

Publication number: CN112892752A
Application number: CN202110069733.0A
Authority: CN
Inventors: 吴宗宾; 余晓流; 金瑜锋; 高文斌; 王小超; 王鹏昌
Original assignee: Ma'anshan Xinnenghuan Intelligent Technology Co ltd
Current assignee: Ma'anshan Xinnenghuan Intelligent Technology Co ltd
Priority date: 2021-01-19
Filing date: 2021-01-19
Publication date: 2021-06-04
Anticipated expiration: 2041-01-19
Also published as: CN112892752B

Abstract

The invention discloses a device for crushing large tar residues in tar mixed liquid, and belongs to the field of coking industry. The device comprises a material bearing unit and a crushing unit, wherein the material bearing unit is used for being connected with a tar residue preseparator, the bottom of the material bearing unit is connected with the crushing unit, the crushing unit comprises a crushing cylinder, and one side of the crushing cylinder is provided with a slag discharge pipe; the inside transmission shaft that is equipped with of broken drum, the transmission shaft bottom links to each other with the motor, and the transmission shaft top is equipped with the broken cutting edge of multilayer by last to being equipped with in proper order down, and mechanical filter screen is installed to the below of broken cutting edge. The invention overcomes the current situation that the large tar residues are lack of effective treatment and easy to deposit after the tar residues in the coking plant are pre-separated in the prior art, and aims to provide the large tar residue crushing device in the tar mixed liquid, which can crush the large tar residues in the solid-liquid mixture of tar, ammonia water and tar residues by using the crushing blades arranged in multiple layers, thereby solving the problem that the large tar residues which are difficult to treat exist in the production of the coking plant.

Description

Large-block tar residue crushing device in tar mixed liquid

Technical Field

The invention relates to the technical field of coking industry, in particular to a device for crushing large tar residues in tar mixed liquid.

Background

The process flow of pre-separation of tar residue in the industry is that tar ammonia water and tar residue are primarily separated by a tar residue pre-separator. And (3) the tar-ammonia water mixed solution after the preliminary separation enters a tar-ammonia water separation large tank, and simultaneously the tar residue and residual tar-ammonia water mixture generated by the preliminary separation is input into a thick matter filter. And (3) separating by a thick matter filter, crushing ammonia water and small-particle (6-10 mm) tar residues by a tar squeezing pump, returning the crushed ammonia water and small-particle (6-10 mm) tar residues to a tar residue preseparator for continuous circulation, and discharging large-block tar residues into an underground empty tank through an external discharge valve at the bottom of the thick matter filter. However, as the existing coke-oven plant has the problem that the coke-oven plant is easy to cause the hole blockage of the squeeze pump due to the large tar slag (with the diameter of about 100mm) mixed with the mixed solution of tar and ammonia water, the normal work of the squeeze pump is seriously affected, and the original deposited large tar slag needs manual cleaning. How to effectively crush and remove large coke tar residues has important application value for improving the fluidity and efficiency of the whole system in a coke-oven plant.

Through retrieval, the Chinese patent application number: 2019104960811, the name of invention creation is: the utility model provides a tar slag innocent treatment device, this application is including scraping the material subassembly, stirring liquefaction subassembly, broken grinding assembly and separable set, scrape the material subassembly through setting up, centrifuge and tar groove, scrape the material in proper order to the tar slag and collect, the heating, the stirring liquefaction, broken grinding and centrifugal separation, thereby isolate the tar in the tar slag, and obtain powdered dry residue, wherein the tar of branch can be discharged into the oil depot by the tar groove, thereby effectively collect the utilization to the contained tar in the tar slag, the coking coal can be joined in to the lower dry residue of moisture content who separates simultaneously, the viscosity of having avoided the tar slag is great, difficult mixing during the coal blending, the unloading is not smooth sometimes still appears, influence the problem of the operation of rubbing crusher during serious.

Also as in chinese patent application No.: 2018114492048, the name of invention creation is: hot breaker of slag, this application include the casing, and install the slag ladle in the casing, are provided with the dodge gate at casing and the relative top of slag ladle, still install in the casing: the hopper groove is used for receiving the steel slag in the steel slag tank, and the bottom slag discharge port is communicated with the bottom of the shell; the crushing device is used for crushing the steel slag through a primary roller and a secondary roller, the circumferential surfaces of which are provided with comb teeth; the spraying device is used for spraying cooling water to the steel slag; the exhaust pipe is used for outputting the steam to the waste heat utilization device; a slag conveying device for outputting the processed steel slag; and a driving device for driving all the components to work. The application can carry out the first crushing on the liquid or semi-liquid steel slag in a non-cooling state, then spray water for cooling, and then carry out the second thermal crushing. The above applications relate to the crushing treatment of oil residue and steel slag respectively, but there is still room for further improvement of optimization.

Disclosure of Invention

1. Technical problem to be solved by the invention

The invention aims to overcome the current situation that large tar residues are lack of effective treatment and easy to deposit after the pre-separation of the tar residues in a coking plant in the prior art, and provides a crushing device for the large tar residues in a tar mixed solution, which can crush the large tar residues in a tar, ammonia water and tar residue solid-liquid mixture by using a crushing blade and solves the problem that the large tar residues are difficult to treat in the production of the coking plant.

2. Technical scheme

In order to achieve the purpose, the technical scheme provided by the invention is as follows:

the invention relates to a device for crushing large-sized tar residues in tar mixed liquid, which comprises a material bearing unit and a crushing unit, wherein the material bearing unit is used for being connected with a tar residue preseparator on the upper layer; the crushing cylinder is internally provided with a transmission shaft, the bottom end of the transmission shaft is connected with the motor and is driven by the motor to rotate, the top end of the transmission shaft is sequentially provided with a plurality of layers of crushing blades from top to bottom, a mechanical filter screen is arranged below the crushing blades, and the mechanical filter screen is arranged above the slag discharge pipe.

Furthermore, the lower end of the crushing unit is provided with a motor connecting flange for connecting with a driving motor of the transmission shaft.

Furthermore, the material bearing unit comprises an upper cylinder and a lower conical cylinder, a side connecting pipe is arranged on the side wall of the upper cylinder, and a communicating pipe used for being connected with the tar residue preseparator and a through hole used for observing the interior of the cylinder are arranged on the top wall of the upper cylinder; the bottom of the lower cone is connected with the crushing unit.

Furthermore, the transmission shaft is also provided with mechanical blades which are positioned below the mechanical filter screen.

Furthermore, in the multiple layers of crushing blades on the transmission shaft, the number of the crushing blades in each layer is different, and the number of the crushing blades from top to bottom is gradually increased.

Furthermore, the transmission shaft is also provided with a filtering blade, the filtering blade is positioned between the lowest crushing blade and the mechanical filter screen, and the bottom of the filtering blade extends to the surface of the mechanical filter screen.

Furthermore, the mechanical filter screen is an annular filter screen formed by a plurality of concentrically distributed circular screen rings, and an annular gap between every two adjacent screen rings is a filter channel.

Furthermore, the filtering blade is an inclined plane blade with a downward gradually-reduced cross-sectional area, and a plurality of protrusions distributed at intervals in a zigzag shape are arranged at the bottom of the filtering blade along the length direction, and the protrusions correspondingly extend into the annular gap of the mechanical filter screen.

Furthermore, the mechanical filter screen is fixedly arranged on the fixing ring, the fixing ring comprises an outer ring body and supporting rods which are uniformly distributed in the ring body at intervals along the circumferential direction, each supporting rod is provided with a plurality of supporting blocks extending upwards, and the supporting blocks are correspondingly fixedly connected with the bottom of the mechanical filter screen ring.

Furthermore, the crushing blade is a bevel blade with the cross-sectional area gradually decreasing from bottom to top.

3. Advantageous effects

Compared with the prior art, the technical scheme provided by the invention has the following beneficial effects:

(1) according to the device for crushing the large tar residues in the tar mixed liquid, disclosed by the invention, the material bearing unit is matched with the crushing unit, the large tar residues are crushed in a multi-stage manner by using the crushing blades distributed in multiple layers after the materials are guided into the crushing unit by the material bearing unit, so that the crushing effect is enhanced, and the problem of the large tar residues which are difficult to treat in the production of a coking plant is solved; and a mechanical filter screen is arranged below the crushing blade, so that the crushed tar residues can be further subjected to particle size screening, the tar residues with large particle sizes are prevented from flowing into equipment below, and the application safety is guaranteed.

(2) According to the device for crushing the large-block tar residues in the tar mixed liquid, the lower part of the material bearing unit is of a funnel shape, and the fine-crushed tar residues with smaller particle sizes can be directly discharged through the side connecting pipe at the upper part and connected with other equipment for subsequent treatment; a gate valve can be arranged on the side connecting pipe to control and regulate the flow rate of the tar residues in a matching manner so as to prevent internal siltation; the large-size large-block tar residues enter the crushing unit quickly through the guide of the funnel-shaped lower cone, and smooth operation is guaranteed.

(3) According to the device for crushing the large tar residues in the tar mixed liquid, the transmission shaft is also provided with the mechanical paddle, and the mechanical paddle is positioned below the mechanical filter screen, so that the crushed tar residues can be effectively prevented from being deposited in the crushing device, and the tar residues can be discharged smoothly in time.

(4) According to the device for crushing the large tar residues in the tar mixed liquid, the number of the crushing blades on each layer from top to bottom on the transmission shaft is gradually increased, so that the large tar residues are crushed fully and uniformly, the crushing blades are inclined-plane type blades with the section areas gradually reduced from bottom to top, and the large tar residues which are not crushed are beaten to the upper end to be crushed continuously for secondary crushing.

(5) According to the device for crushing the large tar residues in the tar mixed liquid, the transmission shaft is also provided with the filtering blade, the filtering blade is positioned between the lowest crushing blade and the mechanical filter screen, and the filtering blade is an inclined plane type blade with the cross section area gradually reduced downwards, so that the crushed large tar residues can be sprayed to an outlet to prevent deposition.

Drawings

FIG. 1 is a schematic structural diagram of a device for crushing bulk tar residues in a tar mixed solution according to the present invention;

FIG. 2 is a schematic structural view of the loading unit of the present invention;

FIG. 3 is a schematic view of the construction of the crushing unit according to the present invention;

FIG. 4 is a schematic view showing the internal structure of the crushing unit according to the present invention;

fig. 5 is an enlarged schematic view of the mechanical strainer of the present invention.

The reference numerals in the schematic drawings illustrate:

100. a material bearing unit; 200. a crushing unit; 300. a motor connecting flange; 101. an upper cylinder; 102. a lower cone; 103. a side connection pipe; 104. a communicating pipe; 105. a through hole; 201. crushing the cylinder; 202. a slag discharge pipe; 203. a drive shaft; 204. crushing the blade; 205. a mechanical filter screen; 206. a stationary ring; 207. a mechanical paddle; 208. a seal member; 209. a filtering blade; 210. a support rod.

Detailed Description

For a further understanding of the invention, reference should be made to the following detailed description taken in conjunction with the accompanying drawings.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The present invention will be further described with reference to the following examples.

Example 1

As shown in fig. 1 to 5, the device for crushing bulk tar residues in tar mixed liquor of the present embodiment includes a material holding unit 100 and a crushing unit 200, wherein the material holding unit 100 is used for being connected with an upper tar residue pre-separator, and the bottom of the material holding unit 100 is connected with the crushing unit 200, as shown in fig. 3, the crushing unit 200 includes an external crushing cylinder 201, and a residue discharge pipe 202 is installed on one side of the lower part of the crushing cylinder 201 for discharging crushed residues; the crushing cylinder 201 is internally provided with a transmission shaft 203, the bottom end of the transmission shaft 203 is connected with a motor and driven to rotate by the motor, specifically, the transmission shaft 203 extends out of the bottom wall of the crushing cylinder 201, a sealing member 208 is arranged between the transmission shaft 203 and the bottom wall of the crushing cylinder 201 for sealing, the top end of the transmission shaft 203 is sequentially provided with a plurality of layers of crushing blades 204 from top to bottom, a mechanical filter screen 205 is arranged below the crushing blades 204, and the height of the mechanical filter screen 205 is higher than that of the slag discharge pipe 202.

In the embodiment, the material bearing unit 100 is matched with the crushing unit 200, the material is firstly guided by the material bearing unit 100 and enters the crushing unit 200, and then the large tar residues are crushed in multiple stages by the crushing blades 204 distributed in multiple layers, so that the crushing effect is enhanced, and the problem of the large tar residues which are difficult to process in the production of a coking plant is solved; and a mechanical filter screen 205 is arranged below the crushing blade 204, so that the crushed tar residues can be further subjected to particle size screening, the tar residues with large particle sizes are prevented from flowing into equipment below, and the crushed tar residues are discharged through a residue discharge pipe 202 at the bottom.

Example 2

The device for crushing the large tar slag in the tar mixed liquor of the embodiment is basically the same as that of embodiment 1, and further, as shown in fig. 2, the material bearing unit 100 of the embodiment comprises an upper cylinder 101 and a lower tapered cylinder 102, a side connecting pipe 103 is arranged on the side wall of the upper cylinder 101, a communicating pipe 104 for connecting with a tar slag pre-separator and a through hole 105 for observing the conditions in the cylinder are arranged on the top wall of the upper cylinder 101; specifically, two through holes 105 are symmetrically formed in the top wall of the upper cylinder 101, and are respectively located on two sides of the communication pipe 104. The bottom of the lower cone 102 is connected with the crushing unit 200, the lower end of the crushing unit 200 is provided with a motor connecting flange 300 for connecting with a driving motor of the transmission shaft 203, two bearings and a bearing end cover at the lower end are installed in the motor connecting flange 300, the transmission shaft 203 is correspondingly installed in the motor connecting flange 300, and a sealing element 208 installed on the bottom wall of the crushing cylinder 201 is connected with the motor connecting flange 300 at the lower end.

When the device is specifically applied, the communicating pipe 104 of the material bearing unit 100 is connected with the tar residue pre-separator at the upper layer, the pre-separated tar residue enters the material bearing unit 100, the fine-crushed tar residue with smaller particle size can be directly discharged through the side connecting pipe 103 at the upper part to be connected with other equipment for subsequent treatment, and the side connecting pipe 103 can be provided with a gate valve to control and regulate the flow rate of the tar residue in a matching manner so as to prevent internal deposition; the large-size tar residues are guided by the funnel-shaped lower cone 102 to quickly enter the crushing unit 200, the motor connecting flange 300 is arranged at the lower end of the crushing unit 200, and a plurality of reinforcing rib plates are arranged between the outer wall of the crushing unit 200 and the motor connecting flange 300.

Example 3

In addition to the device for crushing the large tar slag in the tar mixed liquid according to the present embodiment, as shown in fig. 4, a mechanical blade 207 is further disposed on the transmission shaft 203, and the mechanical blade 207 is located below the mechanical filter 205. Specifically, the transmission shaft 203 is provided with two mechanical blades 207 which are positioned on two sides and synchronously rotate along with the transmission shaft 203, and the deposition of the crushed tar residues in the crushing device can be effectively prevented by arranging the mechanical blades 207, so that the tar residues can be discharged smoothly in time. The number and the installation angle of the mechanical blades 207 can be flexibly adjusted according to specific use requirements, which is not described herein.

Example 4

In the present embodiment, the number of the crushing blades 204 in each layer is different in the multiple layers of the crushing blades 204 on the transmission shaft 203, and the number of the crushing blades 204 from top to bottom is gradually increased. As shown in fig. 4, in this embodiment, three layers of crushing blades 204 are specifically provided, the number of each layer from top to bottom is 2, 3, and 4, the plurality of crushing blades 204 on each layer are uniformly distributed along the circumferential direction of the transmission shaft 203 at intervals, and the plurality of layers of crushing blades 204 are distributed in a staggered manner, so that when the transmission shaft 203 is driven to rotate, the plurality of layers of crushing blades 204 are driven to rotate, which is helpful for sufficiently and uniformly crushing large tar residues. Further, the disintegrating blades 204 are beveled type blades having a cross-sectional area gradually decreasing from bottom to top. As shown in fig. 5, the bevel-type blade of the crushing blade 204 is an upward-inclined blade, which helps to drive the large tar slag that is not crushed to the upper end for further secondary crushing.

Example 5

In this embodiment, basically the same as the above embodiment, further, in this embodiment, the transmission shaft 203 is further provided with a filtering blade 209, the filtering blade 209 is located between the lowest layer of the crushing blade 204 and the mechanical screen 205, and the bottom of the filtering blade 209 extends to the surface of the mechanical screen 205. The quantity of filtering cutting edge 209 is less than the quantity of the broken cutting edge 204 of lowest floor, and filtering cutting edge 209 sets up to two in this embodiment of concrete, and even interval distributes in transmission shaft 203 both sides.

As shown in fig. 5, the filtering blade 209 in this embodiment is an annular filtering net surrounded by a plurality of concentrically distributed circular net rings, and an annular gap between adjacent net rings is a filtering channel. The filtering blade 209 is an inclined blade with a cross-sectional area gradually reduced downward, which helps to prevent the crushed large tar slag from silting up at the outlet, and in this embodiment, the filtering blade may be an inclined blade with an isosceles trapezoid cross-section. Filter cutting edge 209 bottom and be a plurality of archs that zigzag interval distributed along length direction is equipped with, in the protruding annular gap that corresponds and extend into mechanical filter screen 205, then form the clearance that supplies to hold filter cutting edge 209 wire winding between two adjacent archs, when transmission shaft 203 synchronous drive filters cutting edge 209 and rotates, filter cutting edge 209 then can directly clear up remaining tar sediment in mechanical filter screen 205 surface and the clearance, avoid silting up on mechanical filter screen 205 surface.

In this embodiment, the mechanical filter 205 is fixedly installed on the fixing ring 206, the fixing ring 206 includes an outer ring body and support bars 210 uniformly distributed at intervals in the ring body along the circumferential direction, each support bar 210 is provided with a plurality of support blocks extending upward, and the support blocks are correspondingly and fixedly connected with the bottom of the ring of the mechanical filter 205, such as welded connection. The retainer plate 206 is installed on the transmission shaft 203 through a rotating bearing in a matching manner and is located below the mechanical filter screen 205, and is used for fixedly supporting the mechanical filter screen 205 and keeping the position stability of the mechanical filter screen 205, and the supporting blocks on the upper portion of the retainer plate 206 and the protrusions at the bottom of the filtering blade 209 are distributed in a staggered manner and do not affect each other.

The crushing device of the embodiment has the advantages of simple overall structure design and lower manufacturing cost, can be directly installed and applied to a pre-separation treatment system of the tar residues, completes crushing, filtering and cleaning of large tar residues, and has strong adaptability.

The present invention and its embodiments have been described above schematically, without limitation, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching, without departing from the spirit of the invention, the person skilled in the art shall not inventively design the similar structural modes and embodiments to the technical solution, but shall fall within the scope of the invention.

Claims

1. The utility model provides a bold tar sediment breaker in tar mixed solution which characterized in that: the device comprises a material bearing unit (100) and a crushing unit (200), wherein the material bearing unit (100) is used for being connected with a tar residue pre-separator on the upper layer, the bottom of the material bearing unit (100) is connected with the crushing unit (200), the crushing unit (200) comprises an external crushing cylinder (201), and one side of the lower part of the crushing cylinder (201) is provided with a slag discharge pipe (202); a transmission shaft (203) is arranged inside the crushing cylinder (201), the bottom end of the transmission shaft (203) is connected with a motor and driven to rotate by the motor, a plurality of layers of crushing blades (204) are sequentially arranged at the top end of the transmission shaft (203) from top to bottom, a mechanical filter screen (205) is arranged below each crushing blade (204), and the height of each mechanical filter screen (205) is higher than the slag discharge pipe (202).

2. The device for crushing the large tar residues in the tar mixed liquor according to claim 1, wherein: the lower end of the crushing unit (200) is provided with a motor connecting flange (300) which is used for being connected with a driving motor of the transmission shaft (203).

3. The device for crushing the large tar residues in the tar mixed liquor according to claim 2, wherein: the material bearing unit (100) comprises an upper cylinder (101) and a lower cone (102), a side connecting pipe (103) is arranged on the side wall of the upper cylinder (101), a communicating pipe (104) used for being connected with the tar residue preseparator and a through hole (105) used for observing the interior of the cylinder are arranged on the top wall of the upper cylinder (101); the bottom of the lower cone (102) is connected with the crushing unit (200).

4. The device for crushing the large tar residues in the tar mixed liquor according to claim 1, wherein: the transmission shaft (203) is also provided with a mechanical paddle (207), and the mechanical paddle (207) is positioned below the mechanical filter screen (205).

5. The device for crushing the large tar residues in the tar mixed liquor according to claim 1, wherein: in the multiple layers of crushing blades (204) on the transmission shaft (203), the number of the crushing blades (204) in each layer is different, and the number of the crushing blades (204) from top to bottom is gradually increased.

6. The device for crushing the large tar residues in the tar mixed liquor according to claim 1, wherein: the transmission shaft (203) is also provided with a filtering blade (209), the filtering blade (209) is positioned between the lowest-layer crushing blade (204) and the mechanical filter screen (205), and the bottom of the filtering blade (209) extends to the surface of the mechanical filter screen (205).

7. The device for crushing the large tar residues in the tar mixed liquor according to claim 6, wherein: the mechanical filter screen (205) is an annular filter screen formed by a plurality of concentrically distributed circular screen rings, and an annular gap between every two adjacent screen rings is a filter channel.

8. The device for crushing the large tar residues in the tar mixed liquor according to claim 7, wherein: the filtering blade (209) is an inclined plane blade with a downward tapered cross-sectional area, a plurality of protrusions distributed at intervals in a zigzag shape are arranged at the bottom of the filtering blade (209) along the length direction, and the protrusions correspondingly extend into an annular gap of the mechanical filter screen (205).

9. The device for crushing the large tar residues in the tar mixed liquor according to claim 7, wherein: mechanical filter screen (205) fixed mounting is on retainer plate (206), and retainer plate (206) include outside circle body to and along the bracing piece (210) of the even interval distribution of circumference in the circle body, every bracing piece (210) all are equipped with a plurality of supporting shoes that upwards extend, this supporting shoe correspond with the net circle bottom fixed connection of mechanical filter screen (205).

10. The device for crushing the large tar residues in the tar mixed liquor according to any one of claims 1 to 9, wherein: the crushing blade (204) is a bevel blade with the cross-sectional area gradually decreasing from bottom to top.