Boiler slag treatment device
Technical Field
The utility model relates to a technical field is handled to the slag, concretely relates to boiler slag processing apparatus.
Background
With the continuous improvement and progress of the heavy industry level in China, a boiler is used as necessary technical equipment in the fields of chemical industry, metallurgy, energy, petroleum and the like, and is continuously improved and optimized along with the requirement of industrial production, although the technical performances of the boiler equipment such as heat efficiency and the like are continuously improved, because of the limitation of fuel, the fuel in the boiler inevitably generates slag in the combustion process, and for some large coal-fired boilers, the slag discharge amount per day can reach hundreds of tons, and the problem of slag treatment is increasingly important. Because the temperature of the slag blocks is high and the slag blocks have certain humidity, the slag blocks are easy to be hardened into blocks, and a large amount of heat can be brought when the slag comes out of the boiler.
The conventional slag treatment method is to transport the slag to a landfill area for landfill, or directly slightly grind and filter the slag to prepare cement baking-free bricks, so as to utilize waste. However, landfill disposal can be detrimental to limited land resources. The existing boiler slag is generally crushed by adopting a mechanical crushing or water quenching process, a large amount of dust is generated by the conventional mechanical crushing, and a large amount of water resources are used in the water quenching process, so that the environmental pollution or the resource waste is caused. Therefore, there is a need to provide a more reasonable solution to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
In order to solve the existing problem, the utility model provides a boiler slag treatment device, which avoids the generation of dust and reduces the water consumption, thereby changing the slag into valuables.
The utility model discloses a realize through following technical scheme:
a boiler slag treatment device comprises a slag treatment system, a waste heat utilization system and a brick making system, wherein the slag treatment system comprises a slag buffer bin, a high-pressure gas spray nozzle and a crushing device, the upper part of the slag buffer bin is provided with a slag inlet and a high-temperature gas outlet, the high-pressure gas spray nozzle and the crushing device are arranged in the slag buffer bin and are positioned below the slag inlet, and the high-pressure gas spray nozzle sprays high-pressure gas spray to the crushing device to impact slag; the waste heat utilization system comprises water pipelines distributed in the slag buffer bin, and the water pipelines are positioned below the crushing device; the brick making system comprises a spiral feeding rod, a brick making machine support, a die assembly and a green brick transfer assembly, wherein one end of the spiral feeding rod is positioned below the water pipeline in the slag processing system, the other end of the spiral feeding rod is connected with the die assembly, the spiral feeding rod is driven by a first speed regulating motor, and the die assembly and the green brick transfer assembly are mounted on the brick making machine support.
Preferably, breaker contains crushing wheel, the inside wall fixed mosaic in slag buffer storehouse has two symmetrical bearings, crushing wheel's left end with crushing wheel's right-hand member runs through two respectively the bearing extends to slag buffer storehouse's outside, just crushing wheel's left end the surface with crushing wheel's right-hand member the surface respectively with two the inner circle fixed connection of bearing, crushing wheel's left end fixedly connected with first drive wheel, second buncher are located slag buffer storehouse's left side, second buncher's output fixedly connected with transfer line, the transfer line is kept away from second buncher's one end fixedly connected with second drive wheel, the second drive wheel pass through the drive belt with first drive wheel transmission is connected.
Preferably, the crushing device comprises two crushing wheels, and the two crushing wheels rotate oppositely.
Preferably, the water pipeline is arranged in the slag buffer bin in a snake shape, and a water inlet end and a water outlet end of the water pipeline extend out of the slag buffer bin.
Preferably, the die assembly contains hydraulic press, telescopic link, die plate, mould mounting bracket, install through the cover letter connection the telescopic link in the bottom of hydraulic press, the bottom fixed mounting of telescopic link has the die plate, the inboard fixed mounting of brickmaking machine support has the mould mounting bracket, the top fixed mounting of mould mounting bracket has the mould board, the middle part jogged joint of mould board has a plurality of division boards, the mould board links to each other with the spiral pay-off pole.
Preferably, the telescopic rod is connected with the hydraulic machine through a sleeve.
Preferably, adobe shifts subassembly contains and rotates sleeve pipe, elevator motor, shifts board lifter, adobe and shifts the bottom plate, the inboard of brickmaking machine support is installed and is passed through rotate bushing connects shift the bottom plate support, the top fixed mounting who shifts the bottom plate support has elevator motor, elevator motor's top is installed and is connected through the cover letter shift the board lifter, the top fixed mounting who shifts the board lifter has the adobe shifts the bottom plate, just the adobe shifts the bottom plate and is located under the mould mounting bracket.
Preferably, a water grate and a water outlet are arranged below the slag buffer bin.
Compared with the prior art, the beneficial effects of the utility model are that:
1. because the semi-wet method slag treatment method adopted by the utility model combines the mechanical crushing of a small amount of high-pressure aerial fog and crushing device, the water consumption is less compared with the pure wet method (water method); compared with the dry method, the cooling intensity of the slag is high, the cooling inside and outside of the slag particles is uniform, and the mechanical failure rate is low;
2. a small amount of high-pressure aerial fog is combined with mechanical crushing of a crushing device, heat in the slag cooling process is absorbed by a water pipeline which is arranged in a snake shape, cold water is changed into hot water, energy is recycled, and resources are saved;
3. the slag that is less than certain volume falls into the screw feeding rod through the space between the crushing wheel on, high-pressure aerial fog nozzle becomes liquid water after heat exchange herein simultaneously to sneak into the thick liquids of synthesizing certain concentration in the slag after smashing, during the mould board of one end was sent to by the screw feeding rod to thick liquids, can shift the bottom plate through control adobe after compression molding and transport away the adobe, it is comparatively convenient that brickmaking system used, and the slag is changing waste into valuables.
Drawings
FIG. 1 is a schematic structural view of a boiler slag treatment apparatus according to the present invention.
In the figure: slag processing system (1), waste heat utilization system (2), brickmaking system (3), slag buffer storage bin (4), high-pressure aerial fog nozzle (5), breaker (6), slag entry (7), water pipeline (8), screw feed rod (9), brickmaking machine support (10), moulding-die subassembly (11), adobe shifts subassembly (12), crushing wheel (61), bearing (62), first drive wheel (63), second buncher (74), transfer rod (65), second drive wheel (66), drive belt (67), hydraulic press (111), telescopic link (112), moulding-die board (113), mould board (114), mould mounting bracket (115), rotating sleeve (121), elevator motor (122), transfer board lifter (123), adobe shifts bottom plate (124), shift bottom plate support (125), water grate (41), delivery port (13), A first speed regulating motor (91).
Detailed Description
The invention will be described in further detail with reference to the following detailed description and accompanying drawings:
as shown in fig. 1, the utility model discloses a boiler slag processing apparatus, the device include slag processing system 1, waste heat utilization system 2 and brickmaking system 3, slag processing system 1 includes slag buffer storage 4, high-pressure aerial fog nozzle 5 and breaker 6, slag buffer storage 4 upper portions have slag entry 7 and high-temperature gas export, high-pressure aerial fog nozzle 5 and breaker 6 set up in slag buffer storage 4, and lie in the below of slag entry 7, high-pressure aerial fog nozzle 5 spouts the high-pressure aerial fog to breaker 6 direction impact slag; the waste heat utilization system 2 comprises a water pipeline 8 distributed in the slag buffer bin 4, and the water pipeline 8 is positioned below the crushing device 6; the brick making system 3 comprises a spiral feeding rod 9, a brick making machine support 10, a die assembly 11 and a green brick transfer assembly 12, one end of the spiral feeding rod 9 is positioned below a water pipeline 8 in the slag treatment system 1, the other end of the spiral feeding rod is connected with the die assembly 11, the spiral feeding rod 9 is driven by a first speed regulating motor 91, and the die assembly 11 and the green brick transfer assembly 12 are installed on the brick making machine support 10.
Through adopting above-mentioned technical scheme, bold slag gets into from slag entry 7, smash in breaker 6, high-pressure aerial fog nozzle 5 spouts high-pressure aerial fog, high-pressure aerial fog combines with the slag, restrain the production of dust, the slag that is less than certain volume falls, the slag meets water pipe 8 that is equipped with cold water, the heat of slag cooling process is absorbed by the cold water in water pipe 8, cold water becomes hot water, energy cyclic utilization, the slag continues to fall onto screw feed rod 9, high-pressure aerial fog nozzle 5 becomes liquid water after the heat exchange, and mix and synthesize the thick liquids of certain concentration in the slag after smashing, thick liquids are sent into brickmaking system 3 by screw feed rod 9, the slag is made into the commentaries on classics base, changing waste into valuables.
In this embodiment, slag inlet 7 is equipped with the weight detector, and high-pressure aerial fog nozzle 5 is equipped with the flow detector, and slag buffer storage 4 below is equipped with the weight detector. A plurality of detectors detect the weight of slag and the flow of high-pressure aerial fog, and the user of being convenient for tries on trying to master the device behavior.
Further, breaker 6 contains crushing wheel 61, the fixed inlaying of the inside wall in slag buffer storehouse 4 has two symmetrical bearings 62, the left end of crushing wheel 61 and the right-hand member of crushing wheel 61 run through two bearings 62 respectively and extend to the outside in slag buffer storehouse 4, and the surface of crushing wheel 61 left end and the surface of crushing wheel 61 right-hand member respectively with the inner circle fixed connection of two bearings 62, the left end fixedly connected with of crushing wheel 61 has first drive wheel 63, second buncher 64 is located the left side in slag buffer storehouse 4, the output fixedly connected with transfer line 65 of second buncher 64, the one end fixedly connected with second drive wheel 66 that second buncher 64 was kept away from to transfer line 65, second drive wheel 66 passes through drive belt 67 and is connected with first drive wheel 63 transmission.
Further, the crushing device 6 includes two crushing wheels 61, and the two crushing wheels 61 rotate in opposite directions.
Specifically, the pulverizing wheel 61 has a plurality of spirally arranged blades, the pulverizing wheel 61 may have a hollow structure, the blades are arc-shaped conical teeth, and preferably, the pulverizing wheel 61 is made of a heat-resistant and wear-resistant metal material.
Furthermore, the water pipeline 8 is arranged in the slag buffer bin 4 in a snake shape, and the water inlet end and the water outlet end of the water pipeline 8 extend out of the slag buffer bin 4.
Further, the die assembly 11 comprises a hydraulic machine 111, an expansion link 112, a die plate 113, a die plate 114 and a die mounting frame 115, the expansion link 112 connected through a sleeve is installed at the bottom of the hydraulic machine 111, the die plate 113 is fixedly installed at the bottom of the expansion link 112, the die mounting frame 115 is fixedly installed on the inner side of the brick making machine support 10, the die plate 114 is fixedly installed above the die mounting frame 115, a plurality of partition plates are jogged in the middle of the die plate 114, and the die plate 114 is connected with the spiral feeding rod 9.
Further, the telescopic rod 112 is connected with the hydraulic machine 111 through a sleeve. The use of a telescopic connection allows the work to be more coordinated for user control.
Further, the adobe shifts subassembly 12 and contains and rotates sleeve pipe 121, elevator motor 122, shift board lifter 123, adobe shifts bottom plate 124, the inboard of brickmaking machine support 10 is installed and is shifted bottom plate support 125 through rotating sleeve pipe 121 and connecting, the top fixed mounting who shifts bottom plate support 125 has elevator motor 122, the top of elevator motor 122 is installed and is shifted board lifter 123 through the sleeve letter connection, the top fixed mounting who shifts board lifter 123 has adobe to shift bottom plate 124, and adobe shifts bottom plate 124 and is located the mould mounting bracket 115 under.
Further, a water grate 41 and a water outlet 13 are arranged below the slag buffer bin 4.
By adopting the technical scheme, the water outlet 13 of the water grater 41 can be communicated to the sedimentation type water storage tank through a pipeline, and water in the water storage tank can be recycled after sedimentation and filtration and is supplied to the high-pressure aerial fog nozzle 5.
The device in this embodiment further comprises a support frame (not shown) for supporting the device for fixation.
The working principle is as follows: massive slag gets into from slag entry 7, smash in breaker 6, high-pressure aerial fog nozzle 5 spouts high-pressure aerial fog, high-pressure aerial fog combines with the slag, restrain the production of dust, the slag that is less than certain volume drops through the space between smashing wheel 61, the slag meets the water service pipe 8 that is equipped with cold water, the heat of slag cooling process is absorbed by the cold water in the water service pipe 8 of snakelike arrangement, cold water becomes hot water, the cyclic utilization of energy, the slag continues to fall into on screw feed rod 9, high-pressure aerial fog nozzle 5 becomes liquid water after the heat exchange, and mix and synthesize the thick liquids of certain concentration in the slag after smashing, thick liquids are sent the mould board 114 of one end to by screw feed rod 9 in, can shift subassembly 12 through the brick base after compression molding and transport away, the slag is changing waste into valuables.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.