229results about "Clinker production" patented technology

The grate cooler with the efficient heat dissipation effect comprises a machine frame, an installation box body and a cooling mechanism are arranged at the top of the machine frame, the cooling mechanism comprises an installation frame, a sliding rail, a movable grate bed and a ventilation plate, a driving mechanism is arranged on the inner wall of the installation frame, and an adjusting mechanism is arranged on the side wall of the installation box body. The adjusting mechanism comprises a mounting sliding groove, a driving motor, a lead screw, a sliding seat and a mounting cross beam, and a material pulling mechanism is arranged on one side of the mounting cross beam; the material pulling mechanism comprises a motor mounting seat, a speed reducing motor, a driving shaft, a driving block and a material pulling frame; the multiple movable grate beds are driven by the driving mechanism to reciprocate in a staggered mode, clinker can be preliminarily and evenly treated, the clinker is stirred through cooperation of the adjusting mechanism and the stirring mechanism, the clinker can be further evenly treated, the heat dissipation and cooling effects of the grate cooler on the clinker are guaranteed, and the clinker cooling efficiency is improved. The efficiency of clinker heat dissipation and cooling operation is improved, and then the practicability of the grate cooler is improved.

The utility model discloses a cement clinker cooling device which comprises a grate cooler body, a second motor is installed on the grate cooler body, a half-tooth gear is installed at the output end of the second motor, two limiting frames are installed on the inner wall of the grate cooler body, springs are connected in the two limiting frames, one ends of the two springs are connected with connecting rods, and the other ends of the two springs are connected with the connecting rods. The bottom ends of the two connecting rods are connected with a bottom frame. After falling onto the conveying device, cement clinker is conveyed to the tail through the conveying device, in the process, a second motor is started to enable a wedge-shaped block to move to guide the cement clinker, the cement clinker is separated through a partition plate and falls from the tail of the wedge-shaped block, gaps exist between the cement clinker so that cold air can be supplied to the cement clinker to evenly cool the cement clinker, and stacking is avoided; and therefore, the cement clinker can be more uniformly cooled when being cooled in the grate cooler, and the cooling efficiency is improved.

The invention discloses an energy-saving low-carbon grate cooler and a using method thereof.The energy-saving low-carbon grate cooler comprises two fixedly-arranged supporting seats, an inertia raising mechanism is installed on the supporting seats, a six-step plate is installed on the inertia raising mechanism, a shell is fixedly connected to the top face of the six-step plate, and six grate plate assemblies are fixedly installed on six steps of the six-step plate; the tail end of the grid plate assembly extends out of the step; the inner wall of the middle of the shell is fixedly connected with a partition plate, and the top face, located above the highest grid plate assembly, of the shell is connected with a kiln head cover. An air pipe is fixedly mounted on the side wall of each step below the six-step plate and is used for supplying cold air to the grid plate assembly; and the bottom of the lowest step of the six-step plate communicates with a discharge port. The invention relates to the technical field of grate coolers. The grate cooler solves the problem that a traditional grate cooler is low in cooling efficiency due to insufficient contact between materials and cold air.

The utility model relates to the technical field of material flow uniform distribution, and aims to solve the problems that in the prior art, a feeding scraper-trough conveyer does not have the material flow dynamic adjusting capacity, material distribution is uneven, the effect is poor, the sorting efficiency is low, a powder selecting system is high in energy consumption, the drying effect of materials needing to be dried is poor, and the product quality is affected. The utility model provides a material flow uniform distribution device of a V-shaped powder concentrator feeding scraper-trough conveyer. The material flow uniform distribution device comprises a feeding scraper-trough conveyer, a plurality of observation doors are arranged on the section, close to the feeding opening, of the feeding scraper-trough conveyer; a plurality of adjusting components used for adjusting the size and state of material flow in the feeding scraper-trough conveyer are arranged on the sections, close to the discharging port, of the observation doors, and one ends of the adjusting components are arranged in the feeding scraper-trough conveyer in a sliding mode and abut against the inner bottom face in the feeding scraper-trough conveyer. The powder concentrator has the beneficial effects of simplicity in installation, convenience in maintenance, simplicity in operation, capability of dynamically adjusting material flow, uniform material distribution, good effect, high separation efficiency, low energy consumption of the powder concentration system, good material drying effect and high product quality.

Reaction schemes involving acids and bases; reactors comprising spatially varying chemical composition gradients (e.g., spatially varying pH gradients), and associated systems and methods, are generally described. For example, methods comprising producing an acid; dissolving a material comprising calcium in the acid to produce calcium ions; treating the calcium ions to produce solid calcium hydroxide and / or calcium oxide; and utilizing the solid calcium hydroxide and / or calcium oxide in a downstream process to produce a cement, wherein the downstream process comprises heating the solid calcium hydroxide and / or calcium oxide in a kiln are described.

An alternative fuel vertical pre-combustion furnace comprises a vertical combustion chamber furnace body, a multi-stage stepped furnace hearth arranged on the side wall of the pre-combustion furnace body and a pneumatic pulse injection device arranged on the furnace hearth, and castable is arranged on the inner wall of the whole furnace body. Light flammable substances are completely incinerated under the driving of high-speed airflow, heavier flame-retardant substances fall into the next step to be continuously incinerated, the burn-off rate of the alternative fuel is greatly improved after the alternative fuel stays, is scattered and is pre-combusted, and completely-combusted material residues are dispersed by strong injection of compressed air of an air cannon system; therefore, the influence on the cement kiln caused by sedimentation of the material slag agglomerated in the decomposing furnace is solved. And materials on the uppermost combustion platform sequentially slide to the second-stage combustion step platform and then slide to the next-stage combustion platform layer by layer, and the process is repeated. And waste gas and ash after incineration are discharged from the bottom of the pre-combustion furnace and enter a kiln tail decomposing furnace system, when the material slag is harmful to the kiln system, the material slag can be discharged, and high-temperature airflow enters the decomposing furnace.

Reaction schemes involving acids and bases; reactors comprising spatially varying chemical composition gradients (e.g., spatially varying pH gradients), and associated systems and methods, are generally described.

The invention discloses a cement production and processing technology and device, and belongs to the field of cement production and processing. A cement production and processing device comprises a mounting frame, a calcining furnace and a grinding tank, the calcining furnace is rotatably connected to the top of the mounting frame through a rotating seat, the calcining furnace and the grinding tank are communicated through a material guide pipe, the material guide pipe is rotatably connected with the calcining furnace, the material guide pipe is fixedly connected with the grinding tank, and the grinding tank is fixedly connected with the calcining furnace. The device further comprises a grinding assembly and a cooling assembly, the grinding assembly is used for grinding the cement clinker, and the cooling assembly is used for cooling the cement clinker subjected to high-temperature calcination. According to the cement clinker grinding device, water bath cooling is conducted on cement clinker through the condensation ring, the cooling efficiency is effectively improved, the driving turbine is pushed to drive the grinding roller to rotate through the power effect generated by evaporation of water flow in the condensation ring, the cement clinker in the grinding tank is ground, steam is subjected to condensation backflow, energy consumption is reduced, and the energy-saving effect is improved.

The utility model discloses a low-resistance inlet structure of a cyclone of a cement preheater, and relates to the field of cement industrial production. The feeding device comprises an inlet air pipe, a volute body is installed on one side of the inlet air pipe, an inner cylinder integrated with the volute body is welded to the middle of the volute body, a column body is installed on the lower side of the volute body, a discharging cone is installed below the column body, a plurality of installation frames are installed on the peripheral side of the column body, and the installation frames are installed on the lower side of the volute body. A discharging pipe is installed at an outlet of the discharging cone, and a low-resistance inlet assembly is arranged at an inlet of the inlet air pipe. According to the utility model, the air conveying pipe and the expansion shell are arranged at the inlet air pipe, and the expansion shell is arranged at the top of the inlet air pipe and the top of the air conveying pipe, so that the width of the inlet air pipe is kept unchanged, the height of the air inlet is increased, and the area of the inlet of the cyclone cylinder is properly increased, and in this way, the resistance can be effectively reduced, and the influence on the separation efficiency of the cyclone separator is small.

The utility model relates to the technical field of grate coolers, and provides a grate cooler air inlet structure which comprises a machine body, a supporting plate, a blowing assembly, a conveying pipe and an adjusting assembly, the blowing assembly is arranged on the supporting plate, one end of the conveying pipe is connected with the blowing assembly, and the other end of the conveying pipe penetrates out of the machine body; the adjusting assembly comprises a motor, a rotating pipe, a supporting pipe, a first gear, a second gear, a threaded rod and a limiting rod, the motor, the rotating pipe and the supporting pipe are all arranged on the inner wall of the machine body, the motor drives the first gear to rotate, the first gear is meshed with the second gear, the second gear is arranged on the rotating pipe, and the threaded rod is sleeved with the rotating pipe in a threaded mode; the end, away from the rotating pipe, of the threaded rod is connected with the supporting plate, one end of the limiting rod is connected with the supporting plate, and the other end of the limiting rod is slidably installed in the supporting pipe. By arranging the adjusting mechanism, the distance between the blowing assembly and the clinker on the grate plate can be adjusted according to the size of the clinker, and the cooling efficiency of the clinker is improved.

The utility model relates to an improved grate cooler mechanism, which aims at solving the technical problem that the workload of dismounting bolts is large when a grate plate is cleaned due to the fact that more bolts are used for connecting the existing grate plate, and comprises a grate cooler body, a chain plate, a connecting beam, the grate plate and a baffle plate, a plurality of chain plates are arranged on a conveying chain in the grate cooler body; the connecting beam is fixedly arranged on the top side of the chain plate; inserting strips fixedly arranged on the bottom side of the grid plate are matched with inserting grooves formed in the top side of the connecting beam in an inserting mode. The baffle is arranged at an opening in one end of the connecting beam through an adjusting structure; the grid plate mounting and dismounting device has the advantages that the grid plate can be quickly mounted or dismounted, the operation is efficient and convenient, and the working efficiency is improved.

The utility model relates to a clinker double-channel sealing air locking device, which aims at solving the technical problems that the service life of a sealing structure of a current layer is not long enough and the replacement period is short, and comprises a fixed annular plate, an annular baffle plate A, a connecting annular plate, an annular baffle plate B and a movable annular plate, the fixed ring plate is fixedly arranged on the outer wall of the kiln tail smoke chamber; one end of the annular baffle A is fixedly connected with the outer ring of one side of the fixed annular plate; the outer ring of one side of the connecting annular plate is fixedly connected with the other end of the annular baffle plate A; the annular baffle plate B and the movable annular plate are arranged in an inner cavity formed by the fixed annular plate, the annular baffle plate A and the connecting annular plate; wherein one end of the annular baffle B is fixedly connected with the outer ring of one side of the movable annular plate, the other end of the annular baffle B is in contact fit with one side of the fixed annular plate, and the sealing device has the advantages that a double-layer sealing structure is formed, and sealing of the joint of the outer wall of the kiln tail smoke chamber and the kiln body is enhanced.

The utility model belongs to the technical field of grate cooler application, and particularly discloses an adjustable grate bed anti-deviation device of a cement production line grate cooler, which comprises a movable beam, a fixed beam, a clamping plate, a fixed block, a fixed block screw hole, a catch wheel seat, a catch wheel, an adjusting bolt, a locking nut and the like. One end of the adjusting bolt abuts against the outer wall of the edge of the catch wheel base. The adjustable grate bed deviation preventing device of the grate cooler on the cement production line has the advantages that the structure is compact, and looseness is not prone to occurring; 2, the gap between the catch wheels can be quickly adjusted; abrasion is small, and the service life is long; the labor intensity of workers is reduced, the failure rate of the grate cooler is reduced, the production cost is reduced, and the operation rate of a production line is improved.

The application discloses a control system and a control method for optimizing clinker cooling of a grate cooler, and aims to provide a control system and a control method for optimizing clinker cooling of a grate cooler, wherein the inside of a box body of the grate cooler is sequentially divided into multiple cooling sections according to the material flow direction, cement clinker formed after raw materials are calcined flows into the cooling sections of the grate cooler, air doors of each air cooling chamber of the cooling sections are sequentially opened to blow and cool the cement clinker, according to the air pressure and the temperature of the current cooling section, the high-pressure cooling air flow above the grate bed is opened or closed, the air pressure on both sides of the grate bed is adjusted, the cement clinker is conveyed through the grate bed in the box body from the feeding end of the grate bed to the discharging end to realize step-by-step blowing and cooling. The application automatically adjusts the air pressure on both sides in the cooling area, solves the problem that the air in the air-filled beam cannot blow through the cement clinker to form a “red river” phenomenon due to air leakage at a position with a thin material layer, and improves the clinker cooling efficiency.

The utility model relates to the technical field of cement production, in particular to a fixing structure for a cement inner cylinder hanging piece, which comprises a middle mechanism, a top mechanism and a bottom mechanism, the top mechanism is arranged at the top end of the middle mechanism, the bottom mechanism is arranged at the bottom end of the middle mechanism, the middle mechanism comprises a middle hanging piece, and a middle clamping groove is arranged on the left side of the middle hanging piece. A middle clamping groove is formed in the left side of the rear end of the middle hanging piece, a middle clamping block is fixedly installed on the right side of the middle hanging piece, the middle clamping block is movably installed in the middle clamping groove, a middle inserting groove is fixedly formed in the left side of the rear end of the middle hanging piece, a middle inserting plate is fixedly installed on the right side of the rear end of the middle hanging piece, and the middle inserting plate is movably installed in the middle inserting groove. The whole inner barrel is effectively kept stable and does not fall off, meanwhile, the whole assembly is completed through installation of the inserting blocks and the inserting grooves, the whole assembly is annular after being assembled, and therefore after being assembled, the hanging pieces extrude one another to generate inner supporting force, and the whole structure is kept stable.

The utility model discloses a cement clinker calcining and decomposing device, which relates to the technical field of cement clinker production and comprises a supporting frame, a plurality of supporting rods are arranged on one side of the top end of the supporting frame, a fuel connecting cylinder is arranged at the top ends of the supporting rods, a feeding cylinder is arranged at one end of the fuel connecting cylinder, and a preheating assembly is arranged at the top end of the feeding cylinder. A fixing rod is arranged on the other side of the top end of the supporting frame, a discharging box is arranged at the top end of the fixing rod and connected with the feeding cylinder through a furnace cylinder assembly, and an exhaust pipe is arranged at the top end of the discharging box. According to the utility model, by arranging the preheating assembly, the cement raw material can be preheated, so that the cement raw material can reach the firing temperature more quickly, thereby effectively shortening the time required by calcination and decomposition, not only improving the production efficiency, but also reducing the heat consumption of clinker firing, and further improving the overall production benefit.

A combustion method using a fuel combustion device, a cement manufacturing method, and a cement calcination facility including a fuel combustion device, in which while the amount of a fossil fuel used as a fuel supplied to a fuel combustion device provided in various facilities such as a cement calcination facility is reduced, the radiation heat transfer amounts of various burners are maintained, whereby the amount of heat transferred to a heating target such as a powder raw material of cement clinker is maintained to maintain a state suitable for calcination, the amount of carbon dioxide emitted from the various facilities is reduced, and the various facilities can be operated at a low cost, and a fuel combustion device including a fuel supply mechanism having a mechanism that supplies a flammable powder, a mechanism that supplies a fuel gas, and a mechanism that supplies a non-flammable powder are used.

The utility model discloses a grate cooler for cement production, and relates to the technical field of cement production. Comprising a grate cooler body, a feeding pipe is fixedly connected to one side of the top of the grate cooler body, a shielding mechanism is arranged on one side of the feeding pipe and used for shielding the feeding pipe, the shielding mechanism comprises a bottom plate, the bottom plate is connected with the grate cooler body, supporting plates are fixedly connected to the two sides of the top of the bottom plate, and folding assemblies are arranged on one sides of the supporting plates. Through the arrangement of the shielding mechanism and the heat exchange mechanism, in the using process, the grate cooler is connected with the grate cooler body through the bottom plate and the supporting plate, then a servo motor on a fixing plate drives a lead screw to rotate to drive a sliding block to move up and down along the supporting plate, and a connecting rod is driven to move under the action of a supporting rod and a fixing rod; the device can effectively prevent foreign matters from entering the grate cooler body from the feeding pipe, so that the overall safety is improved.

The utility model relates to the technical field of cement plant kilns, and provides a biomass fuel auxiliary scattering and discharging device which comprises a hopper and a frame, a driving piece is arranged on the outer surface of the hopper, and the inner wall of the hopper is rotationally connected with a first scattering roller, a second scattering roller and a third scattering roller. Linkage pieces are arranged among the first scattering roller, the second scattering roller and the third scattering roller, and scattering cutters are fixedly connected to the surfaces of the first scattering roller, the second scattering roller and the third scattering roller. After the biofuel enters the hopper, a motor drives a first scattering roller to rotate through a speed reducer, a first synchronous wheel drives a second synchronous wheel and a second scattering roller to rotate through a first synchronous belt, and the first synchronous wheel drives a third synchronous wheel and a third scattering roller to rotate through a second synchronous belt, so that a scattering cutter rotates; and in addition, a vibration motor is combined, so that when the hopper is vibrated, the biofuel is convenient to discharge.

The utility model relates to the technical field of cement production, in particular to a rotary unloader for cement production and processing. According to the technical scheme, a lower discharging assembly is installed below an upper discharging assembly, a first transmission shaft is rotationally installed in the upper discharging assembly, a first synchronous wheel is fixed to one end of the first transmission shaft, a second transmission shaft is rotationally installed in the lower discharging assembly, and a second synchronous wheel is fixed to the other end of the second transmission shaft. A second synchronous wheel is mounted on the outer side, located on the lower discharging assembly, of the second transmission shaft; a first valve plate is arranged on the portion, located in the upper discharging assembly, of the first transmission shaft, a second valve plate is arranged on the portion, located in the lower discharging assembly, of the second transmission shaft, and the angle difference between the first valve plate and the second valve plate is 45 degrees. The upper discharging assembly and the lower discharging assembly alternately seal the discharging port in the discharging process. Due to the alternative sealing design, dust is effectively prevented from leaking out in the conveying process.

The utility model relates to the technical field of grate coolers, and discloses a grate cooler capable of improving cooling efficiency, which comprises a main body mechanism, a cooling mechanism and an auxiliary mechanism, the cooling mechanism is positioned at the lower end of the main body mechanism, and the auxiliary mechanism is positioned below the cooling mechanism. According to the grate cooler capable of improving the cooling efficiency, through installation of the main body mechanism, a heat-resisting sealing steel plate is an integrally-cast sealing piece in the use process of the grate cooler, it can be ensured that the sealing gap between the movable grate bed and the fixed grate bed is within 5 mm, the abrasion resistance and the high-temperature resistance of a casting piece under high-temperature clinker are improved, and the service life of the grate cooler is prolonged. The grate plate A and the grate plate B are formed by overlapping the sealing plate A and the sealing plate B up and down, and the sealing performance of the grate plate is better than the common sealing effect through the arrangement of the clamping grooves and the clamping blocks, so that the sealing performance and the clinker cooling efficiency are improved, large gap air channeling and air chamber material returning can be reduced, and the practicability of the grate cooler capable of improving the cooling efficiency is improved.

A method for making a high alumina hydraulic binder includes hydrating a source of aluminum ions with a source of calcium ions in the presence of water to form a mineral hydrate and then heating the mineral hydrate to form the high alumina hydraulic binder.

The utility model relates to the technical field of cement production, in particular to an automatic cement batching device for a cement production line, which comprises a base, the upper end of the base is fixedly connected with a batching box, the left part of the upper end of the batching box is fixedly connected with a batching component in a penetrating manner, and the upper part of the outer surface of the batching box is fixedly connected with a mounting plate; a connecting plate is fixedly connected to the rear part of the upper end of the batching box, and a control mechanism is fixedly mounted at the upper end of the mounting plate. According to the automatic cement batching device for the cement production line, the independent cement batching feeding pipe and the cement raw material feeding pipe are arranged, and the electronic valves are mounted on the outer surfaces of the cement batching feeding pipe and the cement raw material feeding pipe, so that an operator can accurately control the feeding amount of cement batching and cement raw materials, and the feeding amount of the cement raw materials can be accurately controlled by adjusting the opening degrees of the electronic valves; different materials can be added according to a preset formula, so that the accuracy of the raw material ratio in the cement production process is ensured, and a cement product with high quality and stable performance can be produced.

The utility model relates to the technical field of cement production, in particular to a sealing device of a grate cooler transmission mechanism for cement production, which comprises an equipment shell, a sealing chamber is mounted on the left side wall of the equipment shell, a transmission shaft is movably mounted on the inner side of the sealing chamber through a bearing, and a cleaning brush is fixedly mounted in the middle of the transmission shaft; a sealing structure is installed on the equipment shell and comprises a conical outer cover, and the conical outer cover is fixedly installed on the right side wall of the equipment shell. According to the utility model, the conical outer cover and the conical inner cover are matched and can cover the outer side of the joint of the equipment shell and the transmission shaft, and the conical outer cover and the conical inner cover are in gt; through the conical arrangement, dust can be guided to drift away from the gap between the conical inner cover and the transmission shaft between the conical outer cover and the conical inner cover, the dust is further prevented from being scattered out of the gap between the conical inner cover and the transmission shaft in cooperation with the sealing brush, and the sealing effect of the device is improved.

The utility model provides a low-temperature waste heat flash evaporation and dual-pressure hybrid power generation system which comprises a first rotary kiln structure, a flash evaporation power generation system connected to the first rotary kiln structure, a second rotary kiln structure and a dual-pressure power generation system connected to the second rotary kiln structure. High-temperature steam of the dual-pressure power generation system is connected to the steam outlet end of the flash evaporation power generation system, gradient utilization of heat energy is achieved, surplus power generation capacity of the flash evaporation power generation system is fully utilized, waste of the heat energy is avoided, different waste heat can be fully utilized through water vapor complementation, the overall utilization rate of the waste heat is remarkably improved, and the energy consumption is reduced. And meanwhile, energy consumption and emission are reduced, and remarkable economic and environmental benefits are achieved.

The invention relates to a method for producing material containing hydrated cement, wherein the material is crushed in a first crushing device (2) and then supplied to a reactor (3) in which the material is mixed with an aqueous liquid and CO2 and in which a mixing movement of the material is generated, wherein the material removed from the reactor (3) is split into at least two fractions by means of a grading device (20). Furthermore, the temperature and the pressure in the reactor (3) are influenced such that an overpresssure in comparison with the atmospheric pressure and a temperature higher than 100°C are adjusted.

The utility model relates to the technical field of combustion furnaces, and discloses an external fuel furnace with a good pre-combustion effect, which comprises a regulation and control detector, a regulation and control controller, a multi-stage feeding section and a pre-combustion section, the multi-stage feeding section comprises an up-down air-locking flap discharging valve, a storage bin and a screw feeder, the discharging end of the up-down air-locking flap discharging valve is communicated with the feeding end of the storage bin, the discharging end of the storage bin is communicated with the feeding end of the screw feeder, and the discharging end of the screw feeder is connected with the pre-combustion section. According to the externally-hung fuel furnace with the good pre-combustion effect, the pre-combustion effect of fuel can be improved by accurately controlling the pre-combustion condition, then the combustion efficiency and the product quality of a cement kiln system are improved, meanwhile, energy utilization can be optimized and energy waste can be reduced through an intelligent control strategy, and therefore the purposes of energy conservation and emission reduction are achieved. In addition, due to the design of the multi-stage feeding section, the automation degree of fuel treatment can be improved, manual intervention is reduced, and the production efficiency is improved.

A system for calcining powder material comprising a plurality of vertical reactor tubes, wherein the falling powder is heated around a heating zone by radiation from the external heating wall of the reactor tube, and the calcination process of the powder may be a reaction that releases gas or induces a phase change, and the average velocity of the falling powder particles while passing through the reactor tubes is not more than 1.0 m / s, and the powder material flux in each tube is preferably 0.5-1 kg m -2 ·s -1 The length of the heating zone is in the range of 10 to 35 m.

The invention relates to the technical field of waste heat recovery, and particularly discloses a waste heat power generation system based on a low-pressure heater and a control method. The waste heat power generation system comprises a kiln tail SP boiler, a kiln head AQC boiler connected with the kiln tail SP boiler and a steam engine room; the steam turbine room comprises a steam turbine connected with the kiln head AQC boiler, a power generator connected with the steam turbine, a steam condensing assembly connected with the steam turbine, a condensate pump connected with the steam condensing assembly, a shaft seal heater, a low-pressure heater, a deaerator and a water feeding pump. The low-pressure heater is connected with a low-pressure steam outlet of the kiln head AQC boiler and the steam condensing assembly, and the water feeding pump is connected with the kiln head AQC boiler. The low-pressure heater is used for heating condensed water, the temperature of boiler feed water is increased, the load of a boiler economizer is reduced, the use amount of heat exchange tube bundles of the boiler economizer is reduced, and the cost of the boiler economizer is reduced; the deoxidizing effect of the deaerator is improved, oxygen corrosion of a heat exchange pipeline of the boiler is reduced, and the service life of the boiler is prolonged.

The utility model provides a grate cooler material layer thickness measuring device which comprises a rotating rod which is horizontally and rotatably installed on a grate cooler body, the rotating rod penetrates through the inside of the grate cooler body, one end of the grate cooler body is provided with a feeding port, one side of the bottom of the grate cooler body, which is far away from the feeding port, is provided with a discharging port, and the other side of the grate cooler body is provided with a discharging port. A grate plate is installed in the grate cooler body and located below the feeding port. The end, away from the feeding port, of the grate plate extends to the position above the discharging port. A contact plate is fixedly installed on the rotating rod and located in the grate cooler body, and the bottom of the contact plate can make contact with the top of the grate plate. Through the design of the contact plate, the graduated scale and the indication assembly, the measuring mode that the thickness of a material layer is estimated according to the air pressure of each air chamber by adjusting the speed of the grate cooler is replaced, the situation that the detection accuracy is reduced due to abrasion or blockage of the grate plate and the air chambers after long-term use is effectively avoided, and therefore the accuracy of a detection result is improved.